WO2013106946A1

WO2013106946A1 - Sewage treatment system apparatus for absolute quantification of sludge and method for recycling sewage

Info

Publication number: WO2013106946A1
Application number: PCT/CN2012/000082
Authority: WO
Inventors: 许文姬; 李国声; 李汉声
Original assignee: 华南再生资源（中山）有限公司
Priority date: 2012-01-17
Filing date: 2012-01-17
Publication date: 2013-07-25

Abstract

A sewage treatment system apparatus for absolute quantification of sludge comprises a sewage filtration device, a solid-liquid separation device, an ozone generator (14), a gas-water mixer (16), an ozone-water reactor (17), a composite filtration device, and an ultraviolet water treatment device (32). The sewage filtration device is connected and communicated with the solid-liquid separation device. The sludge in the sewage is separated from the sewage in the solid-liquid separation device. The sewage is collected by using a fog-water collection device (12) and then flows into the gas-water mixer (16). Meanwhile, ozone gas produced by the ozone generator (14) also flows into the gas-water mixer (16) and is mixed with the input sewage, and the mixture is then conveyed to the ozone-water reactor (17). The sewage treated by using the ozone-water reactor (17) flows into the composite filtration device. Water obtained after the treatment of the composite filtration device flows into a reservoir, and is fed through a water pump (31) to the ultraviolet water treatment device (32) where the water is treated to produce reclaimed water. Also provided is a sewage treatment method for absolute quantification of sludge. This method avoids secondary contamination caused by the sludge.

Description

Title: Inventive name: A sludge-based sewage treatment system equipment and sewage reuse method

Technical Field

[1] The present invention relates to a system apparatus for treating sewage and the inevitable product of sludge in sewage treatment in a same equipment system, and a corresponding method thereof, which can realize the reuse of water after treatment of sewage And Jingjing 'water standard, and the sludge produced in the sewage treatment process is converted into water purification adsorbent in the treatment system, which belongs to the technical field of sewage treatment equipment.

Background Art

[2] In the past years, with the large increase in the area of industrial and residential land, the industrial wastewater and raw sewage have been greatly generated, which has led to continuous improvement and improvement of sewage treatment equipment and technology.

[3] At present, there are various processes commonly used in sludge treatment, including anaerobic-anoxic-aerobic process, adsorption-biodegradation process, baffled anaerobic process, embedded denitrification biological deoxidation process, and circulating activated sludge. Process, batch cycle extended aeration activated sludge process, membrane bioreactor process and alternating biological treatment tank process. However, the current sewage treatment equipment and technology have not completely solved and realized the problem of eliminating sludge generation and sludge disposal in the sewage treatment equipment system, even if the sludge remaining after sludge reduction is finally It is necessary to leave the sewage treatment site and transfer it to other places for treatment. In the process, it may also cause pollution spread or secondary pollution.

Disclosure of invention

Technical Problem

[4] The application of the present invention is directed to the above problems existing in the present sewage treatment equipment and method, and provides a sewage treatment system equipment for quantifying sludge and a method for recycling sewage, which can be used for sewage treatment The residue-sludge produced in the process is thoroughly and harmlessly disposed in the same place and the treated product is applied to treat sewage.

Technical Solution

[5] The sewage treatment system equipment of the present invention is a continuous circulation production equipment, and uses the method of ultrasonic or hot felt solid-liquid separation to carry out preliminary water and microbial decomposition of sewage, thereby effectively saving production land, Subsequent processing of sewage treatment provides better processing conditions, the fouling described in the present application The water treatment method, the pollutants do not need to be transferred, avoiding the possibility of secondary pollution of the sludge, and at the same time, it has really played a role in pollution control.

[6] An object of the present invention is to provide a sewage treatment system apparatus for sludge quenching, which is achieved by the following technical solutions:

[7] The sludge-quantified sewage treatment system equipment includes a sewage filtration device, a solid-liquid separation device, an ozone generator, a gas-water mixer, an ozone-water reactor, a composite filter device, and an ultraviolet water processor. The sewage filtering device for sewage filtration is connected with the solid-liquid separation device, and large, fine debris and sewage in the sewage are separated in the solid-liquid separation device, and the sewage is collected by the mist water collecting device in the solid-liquid separation device. , enter the gas-water mixer, and the ozone generated by the ozone generator also enters the gas-water mixer through the output gas pipeline, and after being thoroughly mixed with the input sewage, it is sent to the ozone-water reactor, the gas-water mixer and the mist. The water collecting device and the output gas pipeline of the ozone generator and the ozone-water reactor are respectively connected. The sewage treated by the ozone-water reactor enters the composite filtering device, and the composite filtering device comprises a reverse activated carbon filter tower connected in sequence and several a filter tank, the filter tank is filled with a particulate adsorbent and a hybrid charge adsorbent, The treated water of the composite filtering device enters the storage tank and is sent to the ultraviolet water processor for processing. The sludge quantitative sewage treatment system equipment further includes sludge treatment system equipment, and the equipment will be in the sewage treatment process. The produced sludge is converted into a particulate adsorbent and a hybrid charged adsorbent, and is applied to the filter tank of the composite filter device.

[8] Further, the sludge treatment system equipment comprises a primary curing device for solidifying or semi-curing the sludge, a pyrolysis reaction vessel for performing thermal anaerobic reaction and solid solution, an acidizing device for performing acidification and demoulding, and performing Water. Steam physically activated hot water steam bed, 2 rows of high temperature activated high temperature resistance furnaces and high temperature furnaces for the production of hybrid charged adsorbents.

[9] Further, the sewage filtering device comprises a sewage primary sedimentation tank for accommodating sewage and sedimentation of sewage, and a solid waste separation gate for separating debris from the sewage.

[10] Further, the debris barrier solid-liquid separation gate comprises a coarse grid and a fine grid capable of automatically rolling and removing the slag

' Grid.

[11] Further, the solid-liquid separation device comprises an ultrasonic sewage treatment device or a hot felt sewage treatment device. [12] Further, the ultrasonic sewage treatment device comprises a vertical ultrasonic sewage treatment device or a horizontal horizontal ultrasonic sewage treatment device.

[13] Further, the vertical ultrasonic sewage treatment device comprises a water storage tank and a vertical ultrasonic atomization device connected to the water storage tank, and a vertical ultrasonic atomization device is provided with a mist water collecting device. The vertical ultrasonic atomizing device has a hollow tank body, and the top of the tank body has an inlet pipe and an exhaust pipe, and a plurality of spray head downward ultrasonic atomizers are installed on the inner side of the tank body, and the sewage enters through the water inlet pipe. The tank body is atomized by an ultrasonic atomizer and collected by a mist water collecting device disposed in the middle of the tank body, and then sent to the gas water mixer through the outlet pipe installed at the bottom of the tank body to be mixed with ozone gas.

[14] Further, the mist water collecting device in the vertical ultrasonic sewage treatment device is a mist drop device installed in the middle of the tank body, and the sewage is collected by the mist dropper and falls on the bottom of the tank body, and then installed in the tank body. The outlet pipe at the bottom of the tank is sent to the gas-water mixer and thoroughly mixed with ozone before being sent to the ozone-water reactor.

[15] Further, the horizontal horizontal ultrasonic sewage treatment device comprises a casing of the device, and the plurality of ultrasonic horizontal atomizing heads are disposed in the casing below the liquid surface and close to the liquid surface, in the ultrasonic horizontal type An automatic descaling device is arranged above the atomizing head, the device is composed of more than one hollow rotating scraping arm, and the rotating scraping arm is provided with a plurality of spraying ports in the direction opposite to the atomizing head, and the rotating scraping arm and the atomizing head are simultaneously The contact part is equipped with a descaling brush. The rotating scraper arm is driven by the motor shaft through the transmission or belt shifting. It can be used for 360° reverse. The hour hand rotates, the rotation speed is 1-50 rpm, and the motor is set in the housing. On the outer side, the rotating shaft of the rotating scraping arm is hollow and communicates with the rotating scraping arm. The shaft wall of the rotating shaft is provided with a hot steam inlet, and the hot steam passes through the hot steam inlet to enter the air guiding tube in the rotating shaft, and then passes through the rotating scraping arm. The jet port sprays the ultrasonic horizontal atomizing head, and a plurality of water leakage holes are also arranged between the ultrasonic horizontal atomizing heads.

[16] Further, the horizontal horizontal ultrasonic sewage treatment device further comprises a mist water collecting device, wherein the mist water collecting device comprises a bow I fan and a mist water collector connected to the bow I fan, and the bow I fan It is in communication with the top of the horizontal horizontal ultrasonic sewage treatment device, the mist water collector comprises a hollow tank body, the upper part of the tank body is provided with a mist inlet, the mist inlet is connected with the mist dropper, and the water outlet is connected below the tank body There is a sediment discharge port at the bottom, a vent opening at the top of the tank body, and several individual holes on the side wall of the tank body.

[17] Further, the hot felt sewage treatment device comprises a casing having an inner cavity, and the inlet pipe passes through the pre-pump filter and then enters the top of the casing through a pressure pump, and the inlet pipe is also provided with a venting pipe. The top of the casing is provided with a plurality of atomizing spray heads communicating with the inlet pipe, and more than one up and down position is arranged below the atomizing spray head. Hot felt, there are many shallow shallow water grooves on the surface of the hot felt. The heating source of the hot felt is an intermediate frequency heat conduction heater. There are multiple heat pipes in the hot felt. The temperature of the hot felt is controlled between 90~200 °C, and the machine under the hot blanket The bottom of the shell is provided with a micro-solid sedimentation zone and a sewage outlet located at the bottom of the micro-solid sedimentation zone, and an anti-fouling backlash plate is arranged above the sewage outlet, and a resistance for supporting the hot felt is provided under the hot felt on the inner wall of the casing The high temperature cushion layer, between the hot felt and the high temperature resistant cushion layer, is a water passage for the liquid to flow into the bottom of the casing, and the top of the casing is provided with an automatic suction and exhaust valve, and the casing is located above the hot felt to provide liquid for the felt heat process. The hot steam generated by the hot steam enters the hot steam collecting port, the hot steam collecting port is connected to the heat exchange device for converting the hot steam into a liquid, and the lower portion of the casing is provided with a water outlet for the clear water to flow out.

[18] Further, the ozone-water reactor is a sleeve-type structure, and has two inner and outer cavities, the inner cavity is a gas-water reaction cavity, the outer cavity is a gas-water circulation reaction buffer cavity, and the inner cavity has an inner casing. The outer chamber has an outer casing, the top of the inner casing is provided with an automatic exhaust valve for decompressing the inner cavity and a liquid level control online monitor for monitoring the liquid level, and the inner cavity is at the top of the liquid surface and the inner cavity The part is filled with a plurality of activated carbon reaction spheres. The upper part of the reaction sphere is impervious to water, and the lower part is a mesh outlet. The granular activated carbon is contained therein, and the volume of granular activated carbon is 15% to 98% of the volume of the reaction sphere. The mixture of ozone and sewage enters the reaction ball from the water inlet at the top of the inner casing to react, flows out through the mesh outlet of the lower part of the reaction ball, mixes with the liquid in the inner cavity, and has a circulating water inlet into the outer cavity at the bottom of the inner cavity. A circulating water pump is arranged on the outer casing to connect the outer cavity and the water inlet, and the sewage entering the outer cavity is pumped into the activated carbon reaction ball, thereby circulating; the outer casing is opened at the bottom of the outer cavity and opened Outfall bottom cavity communicating, for residual sludge discharge, also opened for the reaction of water discharge outlet of the outer casing, and a plurality of people for repair use on the inner housing.

[19] The ozone-water reactor uses ozone/activated carbon technology, and the net outlet of the reaction sphere is set at the center of the reaction sphere, and the circulating ozone water is sprayed at the center of the ball, and is discharged from the gap of the granular activated carbon. Thereby, the function of accelerating the conversion of ozone into hydroxyl radicals is accelerated, and the rate of degradation of organic substances in the water by ozone is improved.

[20] Further, the ozone-water reactor further comprises an ozone destroyer and a gas filter connected to the top of the ozone-water reactor.

[21] Further, the sludge quantitative sewage treatment system device further comprises a reflux water collection tank, wherein the reflux water collection tank is connected to the gas water mixer through a waterproof one-way valve, and the waterproof check valve is The role is to make it back The flowing liquid enters the return water collection tank to prevent the returning liquid from entering the ozone generator.

[22] Further, the reverse activated carbon filter tower has an inlet pipe at the bottom, an outlet pipe at the top, and an activated carbon filter fixed bed inside the tower body, and the granular activated carbon is placed on the activated carbon filter fixed bed, and is installed on the outlet pipe. There is a water pump.

[23] Further, the filter tank comprises a casing, and the filter tank is divided into two upper and lower chambers by an internal partition plate, and a plurality of vertical filter columns are respectively installed in the upper chamber and the lower chamber, and each filter is installed The column contains natural stratification. Two or more adsorbents, including a particulate adsorbent made of sludge and a hybrid charge adsorbent, are provided with a water inlet and a pressurized pipe at the top of the filter tank body. The pressurizing tube is connected to the pressure pump, and a plurality of water pipes respectively opening at the upper end and the lower chamber respectively are arranged on the outer side of the tank body, so that the filtered liquid flows from the upper chamber to the lower chamber, in the upper and lower portions. The inner side of the chamber is respectively provided with a sealing plate on the upper side and a lower water hole plate on the lower side. The two ends of each vertical filter column are respectively fixed on the sealing plate and the lower water hole plate, and the lower side of the vertical filter column is opened. a plurality of side water outlets, a bottom outlet having a lower outlet, a bottom outlet at the bottom of the lower chamber and a waste outlet, and an exhaust duct on the bottom side wall of the upper chamber and the lower chamber, the filter tank The side wall of the tank also has several individual holes, and the outer side of the side wall is provided with a number of Supporting bracket.

Another object of the present invention is to provide a sewage treatment method for sludge quenching, which is achieved by the following technical solutions:

[25] The method includes the following steps:

[26] 1. Sewage filtration: The sewage enters the solid-liquid separation device after passing through the sewage filtration device;

[27] 2. Solid-liquid separation and preliminary decomposition of microorganisms and water: solid-liquid separation and preliminary decomposition of microorganisms and water in a solid-liquid separation device;

[28] 3. Liquid collection: The sewage treated by the solid-liquid separation device is recovered by a mist water collecting device and cooled, and then transported to a gas-water mixer;

[29] 4. Ozone treatment: The ozone generator is connected with the gas-water mixer, and the generated ozone is sent to the gas-water mixer for mixing with the sewage treated by the solid-liquid separation device, and then the gas-water mixture is transported. Carrying out the reaction in an ozone-7j reactor;

[30] 5. Sludge treatment: In the above steps, the sludge after sewage treatment is converted into a particulate adsorbent and a hybrid charge adsorbent by the sludge treatment system equipment, and is applied to the composite filter device;

[31] 6. Composite filtration: The composite filtration device comprises a connected reverse activated carbon filter tower and several sets of filter cans The water treated by the ozone-water reactor enters the composite filtration device for deep treatment;

[32〗 . 7. UV treatment: The water treated by the composite filter device enters the reservoir and is sent to the UV water processor for effluent after being irradiated by ultraviolet light in the cavity of the UV water processor.

[33] Further, in the step 2, the method of solid-liquid separation comprises an ultrasonic sewage treatment method or a hot felt sewage treatment method.

[34] Further, the ultrasonic sewage treatment method includes a vertical ultrasonic sewage treatment method and a horizontal horizontal ultrasonic sewage treatment method.

[35] Ultrasonic treatment of sewage is the use of ultrasonic to remove chemical pollutants and refractory organic pollutants in sewage

The horizontal horizontal ultrasonic sewage treatment method described in the application of the present invention utilizes the characteristics of the high-frequency vibration of the ultrasonic atomizer to be shallow from the water surface, and does not affect the precipitation process of the micro-particles in the sewage while atomizing the sewage. .

[36] Further, in the step 2, the hot felt sewage treatment method comprises: after the sewage passes through a 40-50-hole pre-pump filter, the filtered water is pressurized by a pressure pump of 2-3 M/S. The flow rate directly enters the casing of the hot felt water treatment device, and the atomizing spray head is sprayed vertically downward. The rated working pressure of the spray head is 0.3-0.4 ΜΡ Α, and the middle and lower parts of the hot felt water treatment device are equipped with up and down dislocations. Felt (heating plate), the surface of the hot felt has shallow shallow water. The heating source of the hot felt is an intermediate frequency heat conduction heater. The heat transfer oil in the heat pipe is heat pumped to the hot felt. The temperature of the hot felt is controlled at 90~200 °C. Sewage sprayed on the hot felt (heating plate) 吋, the microorganisms in the sewage immediately die immediately after contact with the high temperature plate in the shallow surface, and the micro-particles in the water are immediately separated from the water, and the generated hot water vapor rises upward, and the hot steam After the collection port is introduced into the heat exchanger, the liquid water is returned, and some of the water with micro-particles and microbial corpses that do not form hot water vapor flows through the shallow ditch on the surface of the hot felt to the bottom of the device. Micro-region and a solid precipitated solid was precipitated at the bottom of micro-regions outfall, the dirt is discharged through the outfall, the supernatant liquid discharged from the upper portion of the drain region precipitated solid micro

[37] Further, in the ozone treatment step (step 4), the ozone dosage is 0.4-20 _mg / L, and the contact time is 2-5 min.

[38] Further, in the composite filtration step - (step 6), the composite filtration device is composed of a reverse activated carbon filter tower and a plurality of filter cans composed of a particulate adsorbent and a hybrid charge adsorbent. When the water enters the bottom of the reverse activated carbon filter tower, from bottom to top, passes through the activated carbon filter layer and enters the a filter tank, the filter tank is provided with a plurality of vertical filter tubes, the lower part of the filter tube is loaded with a hybrid charge adsorbent, and the upper part is loaded with a particle adsorbent, both of which are treated by sewage Made of residual sludge. -

[39] Further, in the ultraviolet treatment step (step 7), the ultraviolet radiation intensity of the ultraviolet water treatment device is 2600-3000 UW/cm2, the wavelength is 235-258 nm, and the irradiation time is 1-4S. The mode is continuous water inflow through the intracavity circulating ultraviolet light.

[40] The water treated by the composite filter device enters the reservoir and is then transported into the UV water treatment device. The main factors affecting the ultraviolet sterilization effect are the wavelength of the ultraviolet light, the intensity and time of the irradiation, and the depth, color and concentration of the water. It has a great relationship with the type and quantity of microorganisms. The water in this technology has been treated with ultrasonic treatment or hot felt and then treated with advanced oxidation of ozone and fine filtration treatment. The water has reached the microbial organism or dead body, and the color does not exceed At 1 degree, the UV sterilization process for the final step of the technology increases the absolute favorable conditions.

[41] A further object of the present invention is to provide a method for converting sludge into a particulate adsorbent and a hybrid charged adsorbent in the above sludge treatment step, which is achieved by the following technical solution. :

[42] The method is as follows: the sludge is dehydrated to obtain a mud cake having a water content of 70%-60<3⁄4, which is sent to the sludge treatment system equipment, and the system equipment utilizes the natural existence of the sludge. Microbial individuals and complex bacterial structures act as pore formers (or pore-forming modules), which are used to make sludge into nano-scale micropores and pores. The same is used to add polarities to the core. The nanoporous material is the outer layer of the skeleton, and is manufactured into a multi-purpose hybrid charged adsorbent.

[43] Further, the method for manufacturing sludge into a particulate adsorbent and a hybrid charged adsorbent includes the following steps:

[44] 1. Dehydration: The sludge is dehydrated to obtain a mud cake with a water content of 70%-60%;

[45] 2. Forced inactivation: Using microbial individuals and complex bacterial structures naturally present in the sludge as pore-forming agents, and inactivating the microbial individuals and complex bacterial structures;

[46] 3.

Curing or semi-curing: The inactivated sludge is sent to the primary curing equipment and mixed with 10% of the weight of the calcium oxide. The mixing time is 20-30min, and the sludge temperature is 50-70 °C. ;

[47] 4. Thermal anaerobic reaction. Solids: The solidified or semi-solidified sludge is in the form of granules, which are discharged from the primary curing equipment. The material port is discharged and enters the pyrolysis reactor. The temperature in the kettle is 70-90 ° C, and the feed rate is 20-40 kg/min. When all the sludge enters the reaction kettle, the feed port is closed and the reaction kettle is closed. It is in anaerobic operation state, the temperature in the kettle is controlled at 30 °C/min, the final temperature is 220 °C, and the temperature is kept at lh. After the sludge is discharged from the kettle, it enters the aging warehouse for 48 hours _.

[48] 5. Acidizing demoulding process: The sludge which has been naturally aged for 48 hours is placed in the acidizing equipment, and the sludge is statically immersed for 10-14 hours by using 20% sulfuric acid solution to carry out the coking microorganisms. Removing, removing metal impurity ions, and replacing the calcium ions in the solidified material with hydrogen ions, exposing the pore structure skeleton of the particles;

[49]― 6. Hot water rinsing: The sludge particles after acidification are rinsed with hot water at 70-90 °C and the pH value is adjusted to be neutral;

[50] 7. Physical activation of water vapor: The granulated sludge particles are physically activated by entering a hot steam bed, the hot water vapor flow rate is 250 mL/min, and the activation time is 1.0-2.0 h;

[51] 8. High temperature activation: The physically activated sludge particles are input into a high temperature resistance furnace. The heating rate is controlled at 20 ° C / min, the activation temperature of the isolated air is 700-740 ° C, and the activation time is 1.0 - 2.0h; "

[52]. 9. Microporous adsorbent finished product: The tail gas generated during the activation process of the helium temperature is treated by a double-tower rotary spray reverse cleaning air cleaning and environmental protection device. At this time, the microporous adsorbent has been prepared;

[53] 10. Hybrid Charged Adsorbent Finished Product: After the obtained microporous adsorbent is processed into particles of a certain size, it is mixed with an acidic aluminum sol and a silica sol at a mixing ratio of 20:20:10. The mixed materials are processed in a high-temperature furnace, and the processing temperature is 650-700 ° C, the temperature is 1 h, and the materials after the high-temperature treatment are cooled and then pulverized to prepare a finished hybrid adsorbent.

Advantageous Effects

[54] The beneficial effects of the technical solution described in the present application are as follows:

[55] 1. The sewage treatment equipment system according to the application of the present invention has a small occupied area, and after the sewage treatment, the reuse requirement can be completely achieved, which is a whole set of equipment from sewage treatment to sludge treatment. Adapt to the sewage treatment system to achieve benign operation, clean production, and sewage treatment to achieve more environmental benefits, resource, harmless, no secondary pollution;

[56] 2. The application of the present invention provides a process for producing an adsorbent and its hybrid charge adsorption in the same system of equipment from the time when the sewage enters the primary sedimentation tank until the sewage treatment is qualified for reuse. Reagent, which is used in the system, is a regenerative cycle that achieves hazardous waste in the same equipment system. Utilize, it has achieved the effect of pollution control, and solved the major problems of secondary pollution that may occur during the transportation process of sludge outside;

[57] 3. The equipment system and the sewage treatment method thereof according to the present invention use the classification sterilization in the whole pollution treatment process, the sludge reduction, the classification decolorization, the classification adsorption fine filtration, and the classification to degrade the organic compound. And the combination of fine filtration and other means can reach a wide range of applications, and can be applied to complex sewage treatment such as domestic sewage, medical sewage, industrial waste water.

Description of Drawings

1 is a functional block diagram of the sewage treatment system apparatus of the present application;

2 is a schematic view of a first embodiment of the sewage treatment system apparatus of the present application;

[60] Among them, 1 is the primary sinking tank, 2 is the debris barrier solid-liquid separation gate, 3 is the inlet pump, 4 is the sludge pump, 5 is the hot felt, 6 is the water reservoir, 7 is the manhole, 8 is Pool sediment, 9 is the first water pump, 10 is the return water collection tank, 11 is the ozone generator, 12 is the waterproof check valve, 13 is the gas water mixer, 14 is the ozone water reactor, 15 is the ozone destroyer And gas filter, 16 is a pressure pump, 17 is a sewage outlet, 18 is a pressure control 'valve, 19 is granular activated carbon, 20 is a fixed bed of activated carbon filtration, 21 is a reverse filtration tower, 22 is a manhole, and 2 is a Two pumps, 24 for the pressure gauge, 25 for the filter tank, 26 for the pressurized tube, 27 for the clear water tank, 28 for the third water pump, 29 for the ultraviolet water processor, 30 for the water outlet;

Figure 3 is a schematic cross-sectional view showing the hot felt waste water treatment device of the embodiment of Figure 2;

[62] Among them, 1 is the inlet pipe, 2 is the pump pre-filter, 3 is the vent pipe, 4 is the high temperature resistant cushion, 5 is the hot felt, 6 is the hot steam collection port, 7 is the casing, 8 is the fog The spray head, 9 is an automatic suction and exhaust valve, 10 is a manhole. 11 is a water outlet, 12 is a heat pipe, 13 is an anti-clouding partition, and 14 is a sewage outlet;

Figure 4 is a schematic view showing a second embodiment of the sewage treatment system apparatus of the present application;

[64] Among them, 1 is the primary sedimentation tank, 2 debris barrier solid-liquid separation gate, 3 is the inlet pump, 4 is the sludge pump, 5 is the water storage tank, 6 is the manhole, 7 is the automatic suction and exhaust valve, 8 is vertical ultrasonic atomizer, 9 is mist dropper, 10 is first water pump, 11 is reflux water collection tank, 12 is ozone generator, 13 is waterproof check valve, 14 is gas water mixer, 15 is Ozone-water reactor, 16 is ozone destroyer and gas filter, 17 is pressure pump, 18 is sediment clearing port, 19 is pressure control valve, 20 is granular activated carbon, 21 is activated carbon filter fixed bed, 22 For the reverse filter tower, 23 for the manhole, 24 for the second pump, 25 for the pressure gauge, 26 for the filter tank, 27 for the pressurized tube, 28 for the clear water tank, 29 for the third water pump, 30 for the ultraviolet water processor, 31 for the water mouth;

[65] FIG. 5 is a schematic structural view of a vertical ultrasonic atomizing device in the embodiment of FIG. 4;

[66] Among them, 1 is the inlet pipe, 2 is the exhaust pipe, 3 is the manhole, 4 is the tank body, 5 is the ultrasonic atomizer, 6 is the mist dropper, and 7 is the outlet pipe;

6 is a schematic view showing a third embodiment of the sewage treatment system apparatus of the present application;

[68] Among them, 1 is the primary sinking tank, 2 is the debris barrier solid-liquid separation gate, 3 is the inlet pump, 4 is the sludge pump, 5 is the sewage pool, 6 is the horizontal horizontal ultrasonic sewage treatment device, 7 is Rotating scraper arm, 8 is self-discharge suction valve, 9 is sewage tank sediment, 10 is induced draft fan, 11 is automatic exhaust valve, 12 is mist water collecting tank, 13 is reflux water collecting tank, 14 is ozone generator 15 is a waterproof check valve, 16 is a gas-water mixer, 17 is an ozone- 7K reactor, 18 is an ozone destroyer and a gas filter', 19 is a pressure pump, 20 is a sediment clearing port, 21 is Pressurization control valve, 22 is granular activated carbon, 23 is activated carbon filter fixed bed, 24 is reverse filter tower, 25 is manhole, 26 is water pump, 27 is pressure gauge, 28 is over 3⁄4|can, 29 is pressurized pipe 30 is the clear water tank, 31 is the water pump, 32 is the ultraviolet water processor, and 33 is the water outlet;

Figures 7-1 and 7-2 are an external view and a bottom view of the horizontal horizontal ultrasonic sewage treatment apparatus of the embodiment of Figure 6; [70] wherein, 1 is a hot steam inlet, 2 is a shaft wall, 3 For air duct, 4 for rotating scraper arm, 5 for jet port, 6 for descaling brush, 7 for ultrasonic horizontal atomizing head, 8 for sewage, 9 for housing, 10 for pool wall, 11 for leaking hole ;

[71] FIG. 8 is a schematic structural view of a mist water collector in the embodiment of FIG. 6;

[72] Among them, 1 is the mist inlet, 2 is the mist dropper, 3 is the exhaust port, 4 is the manhole, 5 is the tank, and 6 is the water outlet.

7 is the sediment discharge port;

9 is a schematic structural view of an ozone-water reactor of the present invention;

[74] Among them, 1 is the water inlet, 2 is the automatic exhaust 闽, 3 is the outer casing, 4 is the inner casing, 5 is the water outlet, 6 is the circulating nozzle, 7 is the casing sewage pipe, 8 is the sewage pipe, 9 For activated carbon reaction ball, 10 for manhole, 11 for circulation pump, 12 for liquid level control online monitor, '13 for liquid level, 14 for circulating water buffer;

10 to 10 and 10-2 are a cross-sectional view and a cross-sectional structural view of a canister in a composite filtration device of the present invention;

[76] Among them, 1 is water inlet, 2 is pressurized pipe, 3 is vertical filter column, 4 is sealing plate, 5 is manhole, 6 is side outlet, 7 is lower outlet, 8 is exhaust pipe 9 is a water pipe, 10 is a casing, and 11 is a particle adsorbent 12 is a hybrid charged adsorbent, 13 is a lower water orifice plate, 14 is a separator, 15 is a total water outlet, 16 is a waste discharge port, and 17 is a support bracket;

Figure 11 is a flow chart showing the process of making sludge into a microporous adsorbent and a hybrid charged adsorbent according to the application of the present invention.

[78] Among them, 1 is sludge, 1A is a microbial live and dead body in sludge, 2 is a manual forced inactivation process, 3 is a curing or semi-curing process, 4 is an anaerobic physical activation process, and 5 is an acid stripping process. The process, 6 is a hot water rinsing process, 7 is a steam physical activation process, 8 is a high temperature activation process, 9 is a microporous adsorbent finished process, 10 is a wrapped aluminum-silicon network skeleton process, and 11 is a hybrid charge adsorption process. Finished product process;

12 and 13 are process flow diagrams of the sludge treatment apparatus of the present application;

[80] Among them, A1 is the automatic opening door, A2 is the high-water cleaning device, A3 is the sludge truck-discharge chamber, A4 is the closed sludge pre-treatment chamber, A5 is the air purification device, and A6 is the control room. A7 is a transparent working screen, A8 is a sludge propulsion device, A9 is an anaerobic heating treatment furnace, A10 is a heating gas environmental protection treatment device, A 11 is a water-sealed flammable gas collection and treatment device, and A12 is a sealed door. , A13 first conveyor belt, A14 is the second conveyor belt, A15 is the sludge solidification device, A16 is the high-oxygen aquatic product and device, A17 is the ozone generator, A 18 is the artificial inactivation force device, and B1 is the tail gas environmental protection treatment device. B2 is a shearing mixing device, B3 is a sealed conveying system unit, B4 is a control room, B5 is a strong fan group, B6 is an aged warehouse, B7 is a ribbon feeder, and B8 is an anaerobic heating furnace. B9 is the particle refining device, B10 is the electric control slide valve, B11 is the conveyor belt, B12 is the strengthening tank, B13 is the sewage tank, B14 is the hot water rinsing tank, B15 is the high temperature activation furnace, B16 is the acidification tank, B17 is the heat Water steam bed.

Mode for Invention

[81] The following describes a device system and a method for sewage treatment and sludge recycling thereof according to a specific embodiment, and it should be understood that the description and the process in the examples are for the public to better understand the present invention. The technical content, rather than the limitations of the technical content of the present invention, is not limited by the spirit of the present invention, and the modifications are within the scope of the present invention.

[82] As shown in FIG. 1, the sewage treatment system equipment includes a sewage filtration device, a solid-liquid separation device, (the solid-liquid separation device includes an ultrasonic sewage treatment device or a hot felt wastewater treatment device), an ozone generator, and a gas-water mixture. , ozone-water reactor, composite filter device and ultraviolet water processor, sewage filtration device for sewage filtration and solid-liquid separation device are connected, sewage sludge and liquid in solid-liquid Separation is carried out in the separation device, and the sewage is collected by the mist water collecting device in the solid-liquid separation device, and then input into the gas-water mixer, and the ozone generated by the ozone generator is also fully mixed with the input sewage after entering the gas-water mixer. And then sent to the ozone-water reactor, the gas-water mixer is connected with the mist water collecting device and the output gas pipeline of the ozone generator and the ozone-water reactor, and the sewage treated by the ozone-water reactor enters the composite filtering device. The composite filtering device comprises a reverse activated carbon filter tower connected in sequence and a plurality of filter tanks, wherein the filter tank is filled with an adsorbent and a hybrid charge adsorbent, and the water treated by the composite filter device enters the reservoir, and then The pump is sent to the UV water treatment unit for treatment, and the water is returned after treatment. '

[83] Further, the sludge-quantified sewage treatment system equipment further includes a sludge treatment system device, which converts the sludge generated in the sewage treatment process into a particulate adsorbent and a hybrid charge. And applied to the canister of the composite filtration device.

[84] The sewage in this embodiment is derived from the sewage treatment station in the applicant's enterprise of the present invention, and the treatment station is composed of a domestic sewage treatment system and an industrial wastewater treatment system, and the daily treated wastewater volume is 1,000 tons.

[85] Take 50T of the two kinds of sewage in the sewage treatment station, mix them and enter the primary sedimentation tank.

[86] Embodiment 1 sewage treatment system equipment using hot felt water treatment device, processing method thereof, and process flow

[87] As shown in FIG. 2, the method and apparatus include the following contents:

[88] 1. The 100 tons of sewage is initially filtered by the primary sedimentation tank 1 through the debris barrier solid-liquid separation gate 2, and then treated with hot felt water in the inlet pump 3 input equipment system with a delivery capacity of 4.8 tons per hour. The device performs solid-liquid separation, and the sewage is sprayed on the hot felt 5 in the middle of the tank through the injection port at the top of the tank. After the solid-liquid separation, the liquid enters the water storage device 6 at the lower part of the tank, and a plurality of tanks are also provided for the tank. The manhole 7 to be repaired, the sludge in the sewage is precipitated at the bottom of the tank, and then pumped out by the sludge pump 4 for use in a subsequent process to prepare an adsorbent.

[89] The hot felt of the hot felt water treatment device is coated with anti-fouling high temperature resistant coating. The heat source uses a thyristor intermediate frequency heating method using heat transfer oil as the heat conduction medium, and the intermediate frequency power supply circuit adopts six pulse wave rectification method. The line voltage is 380V, the heat of the medium frequency induction coil is 700,000Kcal, and the heat transfer oil is about 2000Kg. When the temperature of the hot felt is raised to 140°C, the diameter of the hot felt is 1.85, and the diameter of the hot felt is 1.8M. The nozzle is rated for a working pressure of 0.35mpa and a water supply of 10-14LAnin. The fog falls on the hot felt. The sewage is partially converted into water vapor under the heat of the hot felt, and is partially converted into heat. The water, the shallow ditch of the hot felt surface is discharged to the bottom of the device and discharged from the water outlet into the storage tank, and the rising water is steamed. The steam condensing device is turned into a liquid state and enters the water storage tank. At this time, the hardness of the water is greatly reduced. This process performs artificial high temperature artificial inactivation of the microorganisms in the water, and at the same time acts to separate the heavy metal ions from the water.

[90] 2. The water after the above treatment is discharged into the water storage device 6 for natural cooling and sedimentation, and then passes through the first water pump 9 through the gas water mixer 13 into the ozone water reactor 14 (the source of ozone is known) The technique, which is not enumerated here, is that the ozone generated by the ozone reactor 11 is also passed through the gas-water mixer 13 into the ozone-water reactor 14, and the reflux water collecting tank 10 is connected upstream of the gas-water mixer 13 The flowing water collecting tank 10 is connected to the gas-water mixer 13 through the waterproof check valve 12, and the gas-water mixer 13 is also connected with a pressurizing pump 16 having an ozone concentration of 5 g T in the water, and the mixed ozone-containing The sewage is transported by the water pump to the ozone-water reactor 14, and is discharged through the lower mesh outlet of the activated carbon reaction ball, and the water is re-introduced into the water inlet from the lower and middle outlets of the reactor through another circulating water pump. The reaction time is 2 min. In this reciprocating cycle reaction, the ozone in the water is induced by the activated carbon to initiate a chain reaction in the water, which accelerates the conversion of ozone into hydroxyl radicals, similar to 03 H202 or 03. The advanced oxidation process of UV, the residue of the 'precipitate layer is periodically discharged from the sewage outlet 17 at the bottom of the reactor'. The top of the ozone-water reactor 14 is also connected with an ozone destructor and a gas filter 15 for Inactivate and filter excess exhaust gas to prevent pollution to the atmosphere. ,

[91] 3. After the advanced oxidation sewage is sent to the reverse filtration tower 21 via the pressure control valve 18, from the bottom to the top, after being treated by the granular activated carbon 19 placed on the activated carbon filter fixed bed 20, the second water pump 23 enters. In the composite filtering device, the device is composed of a plurality of sets of filter tanks 25, and each of the filter tanks 25 is provided with a plurality of vertical filter columns, each of which has a diameter of 200 mm, a length of 1 M, and a half of the length of the filter column. Hole, the bottom of the filter column is composed of several layers of mesh with different meshes, working pressure lmpa, each filter column is partially loaded with adsorbent, and the lower part is loaded with hybrid charge adsorbent. There is no barrier at the contact of the two adsorbents. , for natural contact; a pressurizing tube 26 is provided at the top of each of the canisters 25 for pressurizing the canister 25 for better filtration.

[92] 4. The sewage after passing through the composite filter device has reached a level of clear turbidity, no odor, no heavy metal ions, and the filtered water removes the ozone gas and the strong oxidant generated. When the filtered water flows into the clear water tank 27, it is input to the ultraviolet ray sterilizing device 29 via the third water pump 28. The ultraviolet sterilizing treatment of the water is a well-known technique, which is not described here. The water reaches the Class 1 A emission standard and is discharged through the water outlet 30. . [93] In the following, the structure of the hot felt water treatment device, the ozone water reactor and the filter tank in the equipment device of the present application is further described in detail:

[94] As shown in FIG. 3, the hot felt water treatment device includes a casing 7 having an inner cavity, and the inlet pipe 1 passes through the pre-pump filter 2 and then enters the top of the casing 7 through a pressure pump, and the inlet pipe 1 is further The venting tube 3 is opened to prevent the pressure in the tube from being too high. The top of the casing 7 is provided with a plurality of atomizing spray heads 8 communicating with the inlet pipe 1, and more than one up and down positional burning is provided below the atomizing head 8. Felt 5, the surface of the hot felt 5 has multiple shallow water channels. The heat source of the hot felt 5 is an intermediate frequency heat conduction heater. The hot felt 5 is provided with a plurality of heat pipes 12, and the temperature of the hot felt 5 is controlled at 1 20-140 ° C. Meanwhile, the bottom of the casing below the burning blanket 5 is provided with a micro-solid sedimentation zone and a sewage outlet 14 at the bottom of the micro-solid sedimentation zone, and an anti-fouling separator 13 is arranged above the sewage outlet 14 and a burning felt 5 on the inner wall of the casing There is a high temperature resistant cushion layer 4 for supporting the hot felt 5, and a water passage for the sewage to flow into the bottom of the casing between the hot felt 5 and the high temperature resistant cushion layer 4, and an automatic suction and exhaust valve 9 is opened at the top of the casing. The shell 7 is located above the hot felt 5 and has a hot steam collecting port 6 for the entry of hot steam. Connecting the hot steam into the liquid heat exchange means, a lower shell unit is opened for water flowing out of the outlet 11.

[95] As shown in FIG. 9, the ozone-water reactor is a sleeve-type structure having two inner and outer cavities, the inner chamber is a gas-water reaction chamber, and the outer chamber is a gas-water circulation reaction buffer chamber, an inner chamber and an outer chamber. There are an inner casing 4 and an outer casing 3 respectively. The top of the inner casing 4 is provided with an automatic exhaust valve 2 for decompressing the inner cavity and a liquid level control online monitor 12 for monitoring the liquid level. The inner cavity is The portion between the liquid surface 13 and the surface of the inner cavity is provided with an activated carbon reaction ball 9, the upper part of the reaction ball is impervious to water, and the lower part is a mesh outlet, which is filled with granular activated carbon, and the volume of granular activated carbon is occupied by the reaction ball cavity. The volume of 15«3⁄4 - 98%, the mixture of ozone and sewage enters the reaction sphere from the water inlet 1 at the top of the inner casing to react, flows out through the net outlet of the lower part of the reaction sphere, and mixes with the inner cavity water body, the inner cavity The bottom is opened with a circulating water port 6 to enter the outer cavity, and the outer casing 3 is provided with a circulating water pump 11 connected to the outer cavity and the water inlet 1, and the sewage entering the outer cavity is pumped again into the activated carbon reaction ball 9, so as to circulate; at the bottom of the outer cavity Shelled sewage 7 is connected to the sewage pipe 8 opened at the bottom of the inner cavity for discharging the residual sludge, and the inner casing 4 is further provided with a water outlet 5 for discharging the discharged water to the outer casing 3, and - a plurality of Manhole 10 for maintenance.

[10] As shown in FIGS. 10-1 and 10-2, the filter can includes a casing 10, and the filter can is partitioned into two upper and lower chambers by a partition plate 14, and the upper chamber and the lower chamber are respectively installed. a plurality of vertical filter columns 3, each of which contains two or more kinds of particulate adsorbents which are naturally layered, including particles adsorbed by sludge 11 and hybridized a charged adsorbent 12 is provided at the top end of the canister body with a water inlet 1 and a pressurizing tube 2, and the pressurizing tube 2 is connected to a pressure pump, and a plurality of two ends are respectively opened at the outer chamber and The water pipe 9 of the lower chamber is configured to flow the filtered liquid from the upper chamber to the lower chamber, and the inner side of the upper and lower chambers respectively have a sealing plate 4 located above and a lower water hole plate 13 at the bottom, each standing The two ends of the filter column 3 are distributed and fixed to the sealing plate 4 and the lower water hole plate 13. The lower side wall of the vertical filter column 3 has a plurality of side water outlets 6 and the bottom portion has a lower water outlet port 7, in the lower chamber. The bottom part is provided with a total water outlet 15 and a debris discharge port 16, and the bottom side wall of the upper chamber and the lower chamber is further provided with an exhaust duct 8, and the side wall of the filter tank body is also provided with a plurality of personal holes 5, side walls A plurality of support brackets 17 are provided on the outer side.

[97] Embodiment 2 Wastewater treatment system equipment using vertical ultrasonic sewage treatment device, processing method thereof, and process flow

[98] As shown in Figure 4:

[99] 1. Mix 50 tons of domestic sewage and industrial sewage mixed water from the primary sedimentation tank 1 through the debris barrier solid-liquid separation gate 2, and then enter the water storage tank in the equipment system through the inlet pump 3. In the 5th, the sludge is discharged through the sludge pump 4 at the bottom of the water storage tank 5, and is used in the preparation of the subsequent adsorbent; the sewage enters the vertical ultrasonic atomizing device through the water storage tank 5 to perform solid-liquid separation, vertical ultrasonic wave The atomizing device comprises a plurality of ultrasonic atomizers 8 with a spray head downward, and a mist dropper 9 is arranged below the sewage. The sewage is collected by the mist dropper 9 and then sent to the ozone at the bottom of the tank. In the water reactor, an automatic exhaust valve 7 is further provided at the top of the vertical ultrasonic atomizing device tank.

[100] 2. The water after the above treatment is introduced into the ozone-water reactor 15 through the gas-water mixer 14 via the first water pump 10 (the source of ozone is a well-known technique, which will not be enumerated here), the ozone reactor 12 The generated ozone is also introduced into the ozone-water reactor 15 through the gas-water mixer 14, and a reflux water collecting tank 11 is connected upstream of the gas-water mixer 14, and the reflux water collecting tank 11 is connected to the gas through the waterproof check valve 13. The water mixer 14, the gas-water mixer 14 is also connected with a pressure pump 17, and the ozone-water reactor 15 has an ozone concentration of 5 g T in the water, and the mixed ozone-containing sewage is sent to the ozone-water reactor 15 by a water pump. , the lower mesh outlet of the activated carbon reaction ball is dissipated, and the water is re-introduced into the water inlet from the lower and middle outlets of the reactor through another circulating water pump, the reaction time is 2 min, in the reciprocating cycle reaction, Initiating a chain reaction in the water under the action of activated carbon, accelerates the conversion of ozone into hydroxyl radicals, similar to the advanced oxidation process of 03/H202 or 03 UV, and the residue of the precipitate layer in the lower part of the reactor. The bottom of the reactor's The sewage outlet 18 is periodically discharged, and an ozone depleting device and a gas filter 16 are connected to the ozone-pre-reactor 15 for inactivating and filtering the excess exhaust gas to prevent pollution to the atmosphere.

[101] 3. After the advanced oxidation of the sewage is sent to the reverse filtration tower 22 via the pressure control valve 19, from the bottom to the top, after being treated by the granular activated carbon 20 placed on the activated carbon filter fixed bed 21, the second water pump 24 enters. In the composite filtering device, the device is composed of a plurality of sets of filter tanks 26, and each of the filter tanks 26 is provided with a plurality of vertical filter columns, each of which has a diameter of 200 mm, a length of 1 M, and a half of the length of the filter column. Hole, the bottom of the filter column is equipped with a screen with different meshes at the bottom, working pressure lmpa, each filter column is partially loaded with adsorbent, and the lower part is loaded with hybrid charge adsorbent. There is no barrier at the contact of the two adsorbents. , for natural contact; a pressure tube 27 is provided at the top of each canister 26 for pressurizing the canister 26 for better filtration.

[102] 4. The sewage after passing through the composite filter device has reached a clear and turbidity, no odor, and no heavy metal ions exist. The filtered water> basically removes the ozone gas and the generated strong oxidant, and the ozone concentration in the water is 0.008. m _g L, when the filtered water flows into the clear water tank 28, is input to the ultraviolet ray sterilizing device 30 via the third water pump 29, and the ultraviolet sterilizing treatment of the water is a well-known technique, which is not described here, after ultraviolet sterilization The water reaches the Class 1 A emission standard and is discharged through the water outlet 31.

[103] As shown in FIG. 5, the vertical ultrasonic sewage treatment device includes a water storage tank 5 and a vertical ultrasonic atomization device 8 connected to the water storage tank 5, and the vertical ultrasonic atomization device 8 is provided with a mist. The water collecting device, the vertical ultrasonic atomizing device has a hollow tank body 4, the top of the tank body 4 has an inlet pipe 1 and an exhaust pipe 2, and a plurality of jet head downward ultrasonic atomizers 5 are installed in the tank On the inner side of the top of the body, the sewage enters the tank through the inlet pipe, is atomized by the ultrasonic atomizer 5, is collected by the mist dropper 6 disposed in the middle of the tank, and then transported to the ozone-water through the outlet pipe 7 installed at the bottom of the tank. In the reactor, the side wall of the can body 4 is also provided with a plurality of individual holes 3.

[104] Embodiment 3 sewage treatment system equipment using horizontal horizontal ultrasonic sewage treatment device and treatment method thereof

Process flow

[105] As shown in Figure 6:

[106] 1. The 100 tons of mixed sewage of domestic sewage and industrial sewage will be initially filtered by the primary sedimentation tank 1 through the solid waste separation gate 2, and then enter the sewage pool 5 through the inlet pipe 3, the sewage tank 5 The bottom sump sediment 9 is discharged through the sludge pump 4 for use in the subsequent preparation of the adsorbent; in this embodiment, the solid-liquid separation device is horizontal The horizontal ultrasonic sewage treatment device 6 is provided with a rotary scraping arm 6 for cleaning on the upper surface of the device, the device is located above the liquid level of the sewage tank 5, and an automatic suction valve 8 is arranged on the top casing. The atomized sewage is sucked into the mist water collector 12 via the induced draft fan 10, and the top of the mist water collector 12 is provided with an automatic exhaust valve 11

[107] 2. The water after the above treatment is introduced into the ozone-water reactor 17 through the gas-water mixer 16 (the source of ozone is a well-known technique, which is not enumerated here), and the ozone generated by the ozone reactor 14 is also passed. The gas-water mixer 16 enters the ozone-water reactor 17, and a reflux water collection tank 13 is connected upstream of the gas-water mixer 16, and the reflux water collection tank 13 is connected to the gas-water mixer 16 through the waterproof check valve 15. The gas-water mixer 16 is also connected with a pressure pump 19, the ozone-water concentration of the ozone-water reactor 17 is 5g/T, and the mixed ozone-containing sewage is sent by the water pump to the ozone-water reactor 17, and reacted by the activated carbon. The lower mesh outlet of 3⁄4 ^ is discharged, and the water is re-introduced into the water inlet from the lower and middle outlets of the reactor through another circulating water pump. The reaction time is 2 min. In this reciprocating cycle reaction, the water is made. Ozone initiates a chain reaction in water under the action of activated carbon, which accelerates the conversion of ozone into hydroxyl radicals, similar to the advanced oxidation process of 03 H202 or 03 UV, and the residue of the precipitated layer in the lower part of the reactor. In outfall bottom of the reactor 20 periodically discharged, the top of the ozone-water reactor 17 is also connected to an ozone destruction filter and a gas filter 18, for gas redundant discharged inactivated and filtered to prevent pollution of the atmosphere.

[108] 3. After the advanced oxidation sewage is sent to the reverse filtration tower 24 through the pressure control valve 21, from the bottom to the top, after being treated by the granular activated carbon 22 placed on the activated carbon filter fixed bed 23, the second water pump 26 enters. In the composite filtering device, the device is composed of a plurality of sets of filter tanks 28, and each of the filter tanks 28 is provided with a plurality of vertical filter columns, each of which has a diameter of 200 mm, a length of 1 M, and a half of the length of the filter column. Hole, the bottom of the filter column is equipped with a screen with different meshes at the bottom, working pressure lmpa, each filter column is partially loaded with adsorbent, and the lower part is loaded with charged charge adsorbent. There is no barrier at the contact of the two adsorbents. , for natural contact; a pressure tube 29 is provided at the top of each canister 28 for pressurizing the canister 28 for better filtration.

[109] 4. The sewage after passing through the composite filter device has reached a level of clear turbidity, no odor, no heavy metal ions, and the filtered water completely removes the ozone gas and the generated strong oxidant. The ozone concentration in the water is 0.008. Mg/L, when the filtered water flows into the clear water tank 30, is input to the ultraviolet ray sterilizing device 32 via the third water pump 31, and the treatment of water by ultraviolet sterilizing is a well-known technique, which will not be described here. The water after ultraviolet sterilization reaches the level 1 A discharge standard and is discharged through the water outlet 33.

[018] As shown in FIGS. 7-1 and 7-2, the horizontal horizontal ultrasonic sewage treatment device includes a casing 9 installed on the surface of the sewage primary sedimentation tank, and the casing 9 is located in the pool wall body 10, A plurality of ultrasonic horizontal atomizing heads 7 are disposed in a position close to the liquid level of the sewage 8 in the casing, and an automatic descaling device is installed above the ultrasonic horizontal atomizing head 7, the device comprising more than one hollow rotating scraping arm 4 The rotating arm 4 is provided with a plurality of injection ports 5 in the direction opposite to the atomizing head, and at the same time, the portion of the rotating blade 4 that is in contact with the ultrasonic horizontal atomizing head 7 is provided with a descaling brush 6 , and the rotating blade 4 is The power source is driven by the motor shaft through the transmission or belt shifting. It can be rotated 360°: the reverse rotation of the needle, the rotation speed is 1-50 rpm, the motor is placed at the top of the outer side of the housing, and the shaft of the scraper arm is hollow. The structure is connected to the rotating scraping arm, and the shaft wall 2 of the rotating shaft is provided with a hot steam inlet port 1, and the hot steam enters the air guiding tube 3 in the rotating shaft through the hot steam inlet port 1, and then passes through the injection port 5 of the rotating scraping arm 4. Spray ultrasonic horizontal atomizing head 7 Atomizing head 11 is also provided with a plurality of apertures between 7 leaking.

[111] Further, as shown in FIG. 8, the horizontal horizontal ultrasonic sewage treatment device further includes a mist water collecting device, and the mist water collecting device includes an induced draft fan and a mist water collection connected to the induced draft fan. The air blower is connected to the top of the casing, the mist water collector comprises a hollow tank body 5, the upper part of the tank body 5 is provided with a mist inlet 1, and the mist gas inlet 1 is connected with the mist dropper 2, and the tank body 5 is opened below The nozzle 6 has a sediment discharge port 7 at the bottom, a discharge port 3 is formed at the top of the tank body, and a plurality of individual holes 4 are also opened on the side wall of the tank body 5.

[112] Example 4 Apparatus and method for converting sludge into nanoscale microchannels and pores of adsorbent

[113] As shown in Fig. 11, the method for converting sludge into a particulate adsorbent and a hybrid charged adsorbent, 'includes the following steps:

[114] 1. Dehydration: The sludge is dehydrated to obtain a mud cake with a water content of 70<3⁄4-60%;

[115] 2. Forced inactivation: Using microbial individuals and complex bacterial structures naturally present in the sludge as pore formers, and inactivating the microbial individuals and complex bacterial structures;

[116] 3. Curing or semi-curing: The inactivated sludge is transported to the primary curing equipment, mixed with 10% of the weight of the calcium oxide, and the mixing time is 20-30 min. 50-70 ° C;

[117] 4. Thermal anaerobic reaction. Solids: The solidified or semi-solidified sludge is in the form of granules, which are discharged from the discharge port of the primary curing equipment and enter the pyrolysis reactor. The temperature in the kettle is 70-90°. C, the feed rate is 20-40kg/min. When all the sludge enters the reaction kettle, the feed inlet is closed, and the reaction kettle is in an anaerobic operation state. The temperature increase in the kettle is controlled at 30 °C/min. The temperature is 220 ° C, keep the temperature constant lh, the sludge enters the Chenhuaku natural Chen after the kettle 48 ίι;

[118] 5. Acidizing demoulding process: The sludge which has been naturally aged for 48 hours is placed in the acidification equipment, and the sludge is statically immersed for 10-14 hours by using 20% sulfuric acid solution to carry out the coking microorganisms. Removing, removing metal impurity ions, and replacing the calcium ions in the solidified material with hydrogen ions, exposing the pore structure skeleton of the particles;

[119] 6. Hot water rinsing: The sludge particles after acidification are rinsed with hot water at 70-90 ° C and adjusted to pH neutral;

[120] 7. Physical activation of water vapor: The granulated sludge particles are physically activated by entering a hot steam bed, the hot water steam flow is 250 mL Anin, and the activation time is 1.0-2.0 h;

[121] 8.

High temperature activation: the physically activated sludge particles are input into a high temperature resistance furnace, the heating rate is controlled to 20 ° C / min, the activation temperature of the isolated air is 700-740 ° C, and the activation time is 1.0-2.0 h;

[122] 9. Microporous adsorbent finished product: The tail gas generated during the high temperature activation process is treated by a double-tower rotary spray reverse cleaning air cleaning and environmental protection device. At this time, the microporous adsorbent has been prepared;

[123] 10. Hybrid Charged Adsorbent Finished Product: After the obtained microporous adsorbent finished particles are processed into particles of a certain size, they are mixed with acidic aluminum sol and silica sol at a mixing ratio of 20:20:10. The mixed materials are placed in a high-temperature furnace for treatment. The processing temperature is 650-700 ° C, the temperature is 1 h, and the materials after high temperature treatment are cooled and then pulverized to produce a finished hybrid adsorbent.

[124] The residual sludge in each process of sewage treatment was collected and dehydrated by 1.3T, and then delivered to the sludge treatment system by automatic conveying tool. The system uses artificial dead cells and living microorganisms by using dead microorganisms present in the sludge. As a pore-forming agent, the living microorganisms are manually forcibly inactivated, and the whole dead microorganisms are prepared, and the sludge is rapidly solidified and then chopped, and then enters the high-temperature anaerobic converter under uninterrupted conditions to perform solidification and solidification. The microbial dead body acts as a hole-forming tool. It creates hundreds of millions of micro-cavities and pores per gram of sludge, and uses chemical oxidants to carbonize and remove the dead bodies of microorganisms, and then uses physical high-temperature activation means to produce cesium-dense nanometers. a microparticle-hole and a channel particle adsorbent, and the adsorbent is used as a base-core, and the outer layer is loaded with a silicon and aluminum mesh skeleton medium to form a multifunctional hybrid charged adsorbent, and the treatment method is sludge through ozone. Inactivate the device. '

[125] Referring to FIG. 12 and FIG. 13, the process of sludge treatment using the sludge treatment system equipment of the present application is as follows: The sludge is reversely circulated from the top to the bottom with ozone, and the reaction time is 20 minutes, and the ozone dosage is For 12 g/L, the inactivated sludge is sent to the primary curing equipment from the automatic conveying equipment, which is composed of horizontal multi-layer ribbons for round-trip shearing, and adds 10% of the weight of the sludge to the calcium oxide mixture. The mixing time is 25 min. At this time, the sludge temperature is about 60 ° C. The sludge is granulated in size and discharged from the discharge port and directly enters the pyrolysis reactor. When the sludge enters the reaction vessel, the temperature in the kettle At 80 ° C, the feed rate is 30 kg / min. When all the sludge enters the reaction kettle, the feed port is closed, so that the reactor is in an anaerobic operation state, and the temperature increase in the kettle is controlled at 30 ° C / _m in The final temperature is 220 °C, and the temperature is kept at 1H. After the sludge is discharged from the kettle, it will be aged for 48 hours. Then the sludge that has been naturally aged for 48 hours will be placed in the acidification equipment, and the sludge will be stained with 20% sulfuric acid. The mud is statically immersed for 12h, which acts to remove the dead body residue of the coked microorganism, and acts to remove the metal impurity ions, acts on the hydrogen ion instead of adding the calcium ion of the solidification material, exposes the pore structure skeleton of the particle, and after acidification treatment The sludge particles are rinsed with hot water at 80 ° C and adjusted to pH. , Superheated steam into the bed of physical activation, superheated steam flow rate of 250mL / _m in, inter activation inches L5h, which has been activated sludge physical particles enter the high-temperature resistance furnace, controlling the heating rate of 20 ° C / mi _n The activation temperature of the isolated air is 720 ° C, and the activation time is 1.5 h. The exhaust gas generated during the activation process is treated by a double-tower rotary spray reverse cleaning air cleaning and environmental protection device. At this time, the adsorbent has been completed. The weight of the obtained finished particle adsorbent is IT, and after the obtained finished adsorbent is processed into particles of a certain size, 50% by weight is used to manufacture a multifunctional hybrid charged adsorbent, and the particulate adsorbent is combined with acidic aluminum sol and silicon. The sol is mixed, and the mixing ratio is 20:20:10. The mixed materials are placed in a high-temperature furnace, and the treatment temperature is 680 ° C, the temperature is 1 h, and the materials after the high temperature treatment are cooled and then processed into a finished product. Both of the adsorbents prepared above are used in the composite filtration apparatus of the present invention as a filter adsorbent.

Claims

Claim

The invention relates to a sewage treatment system equipment for sludge quenching, characterized in that: the sludge quantitative sewage treatment system equipment comprises sewage filtration device, solid-liquid separation device, ozone generator, gas-water mixer, ozone-water The reactor, the composite filtering device and the ultraviolet water processor, the sewage filtering device for filtering the sewage is connected with the solid-liquid separating device, and the large and small debris and the sewage in the sewage are separated in the solid-liquid separating device, the sewage After being collected by the mist water collecting device in the solid-liquid separation device, it enters the gas-water mixer, and the ozone generated by the ozone generator also enters the gas-water mixer through the output gas pipe, and is fully mixed with the input sewage, and then transported. To the ozone-7J reactor, the gas-water mixer is connected to the mist gas collection device and the output gas pipeline of the ozone generator and the ozone-water reverse reactor, and the sewage treated by the ozone-water reactor enters the composite filter device. The composite filtering device comprises an inversely-oriented activated carbon filter tower and a plurality of filter tanks connected in sequence. A canister filled with adsorbent particles and adsorbent charged hybrid, composite filtration through the water reservoir into the means for processing, and then sent to a processor for processing an ultraviolet water.

The system apparatus according to claim 1, wherein: said system apparatus further comprises sludge treatment system equipment, which converts sludge generated in the sewage treatment process into a particulate adsorbent and a hybridized charge. An electrosorbent is applied to the canister of the composite filtration unit.

The system apparatus according to claim 2, wherein: said sludge treatment system equipment comprises a primary curing device for solidifying or semi-curing the sludge, and a pyrolysis reactor for performing thermal aerobic reaction and solid pores. Acidizing and demoulding acidizing equipment, hot water steam bed for physical activation of water vapor, high temperature electric resistance furnace for high temperature activation, and high temperature furnace for performing finished product of hybrid charged adsorbent.

The system equipment according to claim 1 or 2, wherein: the sewage filtering device comprises a sewage primary sedimentation tank for containing sewage and sedimentation of sewage, and a debris column for isolating debris in the sewage. Liquid separation brake.

The system apparatus according to claim 4, wherein: said debris bar is partitioned The liquid separation gate includes a coarse grid and a fine grid that automatically tumbling the slag. .

The system apparatus according to claim 1 or 2, wherein: said solid-liquid separation means comprises an ultrasonic sewage treatment device or a hot felt sewage treatment device.

The system apparatus according to claim 6, wherein: said ultrasonic sewage treatment device comprises a vertical ultrasonic sewage treatment device and a horizontal horizontal ultrasonic sewage treatment device.

The system apparatus according to claim 7, wherein: the vertical ultrasonic sewage treatment device comprises a water storage tank and a vertical ultrasonic atomization device connected to the water storage tank, wherein the vertical ultrasonic atomization device is provided The mist water collecting device has a hollow tank body, the top of the tank body has an inlet pipe and an exhaust pipe, and a plurality of spray head downward ultrasonic atomizers are installed on the inner side of the tank top. The sewage enters the tank through the water pipe, is atomized by the ultrasonic atomizer, and is collected by the mist water collecting device installed in the middle of the tank, and then transported to the gas water mixer to be mixed with the ozone gas through the outlet pipe installed at the bottom of the tank #: .

The system according to claim 8, wherein: the mist water collecting device in the vertical ultrasonic sewage treatment device is a mist drop device installed in the middle of the tank body, and the sewage is collected by the mist dropper. At the bottom of the tank, the outlet pipe installed at the bottom of the tank is sent to the gas-water mixer and mixed with ozone and then sent to the ozone-water reactor.

The system apparatus according to claim 7, wherein: the horizontal horizontal ultrasonic sewage treatment device comprises a casing of the device, and the plurality of ultrasonic horizontal atomization heads are disposed in the casing below the liquid surface and close to the liquid surface. Positioned above the ultrasonic horizontal atomizing head with an automatic descaling device consisting of more than one hollow rotating scraping arm with a plurality of injection ports facing the atomizing head and rotating simultaneously The scraping arm is equipped with a descaling brush at the contact point of the atomizing head. The rotating scraping arm is driven by the motor shaft through the transmission or the belt shifting. It can rotate 360° with the reverse needle, and the rotating speed is 1-50 rpm. The motor is disposed outside the casing, and the rotating shaft of the rotating scraping arm is hollow and communicates with the rotating and rotating arm. The shaft wall of the rotating shaft is provided with a hot steam inlet, and the hot steam is heated by steam. The steam inlet enters the air guiding tube in the rotating shaft, and then sprays the ultrasonic wave through the injection port of the rotating scraping arm. The horizontal horizontal atomizing head is further provided with a plurality of water leakage holes between the ultrasonic horizontal atomizing heads. The system apparatus according to claim 10, wherein: said horizontal horizontal ultrasonic sewage treatment device further comprises a mist water collecting device, said mist water collecting device comprising an induced draft fan and a mist water connected to the bow I fan The collector, the bow I fan is in communication with the top of the casing, the mist water collector comprises a hollow tank body, the upper part of the tank body is provided with a mist inlet, the mist inlet is connected with the mist dropper, and the water outlet is opened under the tank body, and the bottom is opened There is a sediment discharge port, a discharge port is formed at the top of the tank body, and a plurality of individual holes are opened on the side wall of the tank body. The system apparatus according to claim 6, wherein: the hot felt sewage treatment device comprises a casing having a cavity, and the inlet pipe passes through the pre-pump filter and then enters the top of the casing through the pressure pump, and the inlet pipe There is also a venting tube, and a plurality of atomizing spray heads communicating with the inlet pipe are arranged at the top of the casing, and more than one hot and cold staggered hot felt is arranged under the atomizing spray head, and the surface of the hot felt has a plurality of shallow ditch The heating source of the hot felt is an intermediate frequency heat conduction heater. The hot felt is provided with a plurality of heat pipes. The temperature of the hot felt is controlled between 90 and 200 ° C, and the bottom of the casing below the burning blanket is provided with a microsolid precipitation zone and The sewage outlet located at the bottom of the micro-solid sedimentation zone is provided with an anti-fouling baffle above the sewage outlet, and a high-temperature cushion layer for supporting the hot felt is provided under the hot felt on the inner wall of the casing, between the hot felt and the high temperature resistant cushion In order to supply the liquid into the water channel at the bottom of the casing, the top of the casing is provided with an automatic suction and exhaust valve, and the casing is located above the hot felt with a hot steam collecting port for the hot steam generated by the liquid during the heat of the felt to enter. Hot steaming The collection port is connected to a heat exchange device for converting hot steam into a liquid, and the lower portion of the casing is provided with a water outlet for the outflow of clean water. The system device according to claim 1 or 2, wherein: the ozone-water reactor is The sleeve type structure has two inner and outer cavities, the inner cavity is a gas water reaction cavity, the outer cavity is a gas water circulation reaction buffer cavity, the inner cavity has an inner casing, and the outer cavity has an outer casing, and the top of the inner casing is installed for An automatic exhaust valve for decompressing the inner chamber and a liquid level control online monitor for monitoring the liquid level, the inner chamber is provided with a plurality of activated carbon reaction balls at a portion between the liquid surface and the top of the inner chamber, the reaction ball The upper part is impervious to the water and the lower part is The mesh outlet is filled with granular activated carbon, and the volume of granular activated carbon is 15% to 98% of the volume of the reaction sphere. The mixture of ozone and sewage enters the reaction sphere from the inlet of the top of the inner shell to react. The mesh outlet of the lower part of the ball flows out and mixes with the liquid in the inner cavity. The bottom of the inner cavity has a circulating water inlet to enter the outer cavity, and the outer casing is provided with a circulating water pump to connect the outer cavity and the water inlet, and the sewage entering the outer cavity Re-injection into the activated carbon reaction sphere, such as circulation; opening a casing sewage pipe at the bottom of the outer cavity and communicating with the sewage pipe opened at the bottom of the inner cavity for discharging the residual sludge, and the inner casing is further provided with a reaction The rear water drains the water outlet of the outer casing and a plurality of manholes for maintenance.

[Claim 14] The system equipment according to claim 13, wherein: the ozone-water reactor adopts ozone/activated carbon technology, and the outlet of the reaction sphere is disposed at a center point of the reaction sphere, and the ozone is recycled. When the water is ejected at the center of the ball, it is scattered in the gap of the granular activated carbon, thereby accelerating the conversion of ozone into hydroxyl radicals, thereby increasing the rate of degradation of organic matter in the water by ozone.

[Clave 15] The system apparatus according to claim 13, wherein: the ozone-7K reactor further comprises an ozone destroyer and a gas filter connected to the top of the reactor.

[Claim 16] The system apparatus according to claim 1 or 2, wherein: the system apparatus further comprises a reflux water collection tank, and the reflux water collection tank is reacted with ozone-water by a gas-water mixer Connected.

[Claim 17] The system equipment according to claim 1 or 2, wherein: the reverse activated carbon filter tower has an inlet pipe at the bottom, an outlet pipe at the top, and an activated carbon filter fixed inside the tower body. The bed, granular activated carbon is placed on a fixed bed of activated carbon filtration, and a water pump is installed on the outlet pipe.

[Claim 18] The system apparatus according to claim 1 or 2, wherein: the filter tank comprises a casing, and the filter tank is partitioned by an internal partition into two upper and lower chambers, an upper chamber and a lower chamber A plurality of vertical filter columns are respectively installed in the chamber, and each filter column carries two or more kinds of particle adsorbents which are naturally layered, including particle adsorbed sand and hybrid charged adsorbent made of sludge, The top of the filter tank body is provided with a water inlet and a pressurized pipe, and a pressurized pipe The pipeline is connected with a pressure pump, and a plurality of water pipes respectively opening at both ends of the upper chamber and the lower chamber are arranged outside the tank body, so that the filtered liquid flows from the upper chamber to the lower chamber, on the inner side of the upper and lower chambers. There are respectively a sealing plate on the upper side and a lower water hole plate on the lower side, and the two ends of each vertical filter column are fixedly fixed on the sealing plate and the lower water hole plate, and the lower part of the side wall of the vertical filter column is provided with a plurality of side outlets. The nozzle has a lower outlet at the bottom, a total outlet and a debris outlet at the bottom of the lower chamber, and an exhaust duct on the bottom side wall of the upper chamber and the lower chamber, the side of the can body There are also several individual holes in the wall, and several support brackets are arranged on the outside of the side wall.

A sewage treatment method for sludge quenching, characterized in that: the method comprises the following steps:

1) Sewage filtration: The sewage enters the solid-liquid separation device after passing through the sewage filtration device;

2) Solid-liquid separation and preliminary decomposition of microorganisms and water: solid-liquid separation and preliminary decomposition of microorganisms and water in a solid-liquid separation device;

3) Liquid collection: The sewage treated by the solid-liquid separation device is recovered by a mist water collecting device, and then sent to a gas-water mixer;

4) Ozone treatment: The ozone generator is connected with the gas-water mixer, and the generated ozone is sent to the gas-water mixer for mixing with the sewage treated by the solid-liquid separation device, and then the gas-water mixture is delivered to the ozone. The reaction is carried out in a water reactor;

5) Sludge treatment: In the above steps, the sludge after sewage treatment is converted into adsorbent and hybrid charged adsorbent through the sludge treatment system equipment, and is applied to the combined filtering device;

6) Composite filtration: The composite filtration device comprises a connected reverse activated carbon filter tower and a plurality of filter tanks, and the water treated by the ozone-water reactor enters the composite filter device for deep treatment;

7) Ultraviolet treatment: The water treated by the composite filter device enters the reservoir and is sent to the UV water processor, and the water is discharged after being irradiated by ultraviolet rays in the cavity of the UV water processor.

The method according to claim 19, wherein in the step 2), the method of solid-liquid separation comprises an ultrasonic sewage treatment method or a hot felt sewage treatment method. [Claim 21] The method according to claim 20, wherein: the ultrasonic sewage treatment method comprises a vertical ultrasonic sewage treatment method and a horizontal horizontal ultrasonic sewage treatment method.

[Claim 22] The method according to claim 20, wherein the hot felt wastewater treatment method comprises: after the sewage passes through a 40-50-hole pre-pump filter, the filtered water is pressurized by a pump The flow rate of 2-3M/S directly enters the casing of the hot felt water treatment device, and the atomizing spray head is sprayed vertically downward. The rated working pressure of the spray head is 0.3-0.4MPA, and the middle and lower parts of the hot felt water treatment device are installed. There is a hot and cold felt on the top and bottom. The surface of the hot felt has shallow water. The heat source of the hot felt is an intermediate frequency heat conduction heater. The heat transfer oil in the heat pipe is heat pumped to the hot felt. The temperature of the hot felt is controlled at 90~200 °C. When the sewage is sprayed on the hot felt, the microorganisms in the sewage die immediately after contact with the high temperature plate in the shallow surface, and the micro-particles in the water are immediately separated from the water, and the generated hot water vapor rises upward, and the hot steam collection port passes through the hot steam collection port. After the heat exchanger is introduced, the liquid water is returned, and some of the water with micro-particles and microbial corpses that do not form hot water vapor flows through the shallow ditch on the surface of the hot felt to the device. Micro solid precipitate portion and a region at the bottom of the micro precipitated solid was outfall area, the dirt is discharged through the outfall, the supernatant liquid is discharged from the drain port on the micro-region portion of the precipitated solid.

[Claim 23] The method according to claim 19, wherein: in the step 4), the amount of ozone is 0.4-20 mg/L, and the contact time is 2-5 min.

[Claim 24] The method according to claim 19, wherein: in the step 6), the complex

The combined filtering device is a combination of a reverse activated carbon filter tower and a plurality of sets of adsorbents and hybrid charged adsorbents, when the water enters the bottom of the activated carbon filter tower, from bottom to top, after passing through the activated carbon filter layer. Into the adsorbent and the hybrid charged adsorbent filter tank, the filter tank is equipped with a plurality of vertical filter tubes, the lower part of the filter tube is loaded with a hybrid charge adsorbent, and the upper part is loaded with an adsorbent, the two adsorbents The agents are all made from residual sludge during the treatment of sewage.

[Claim 25] The method according to claim 19, wherein: in the step 7), the ultraviolet radiation intensity of the ultraviolet water treatment device is 2600-3000 UW/cm2, wave. The length is 235-258nm, and the irradiation time is 1-4S. The mode is continuous water inflow through the intracavity circulating ultraviolet radiation.

[Claim 26] A method for converting sludge into a particulate adsorbent and a hybrid charged adsorbent using the sludge treatment system apparatus according to claim 2, wherein the method comprises: sludge After dehydration, a mud cake having a water content of 70%-60% is obtained, and then sent to the sludge treatment system equipment, which utilizes the naturally occurring microorganisms and complex bacterial structure in the sludge as a pore former. The sludge is made into nanometer-sized micropores, channels and pore adsorbents, and the nanoporous material with polarity is added as the outer layer of the skeleton by using the adsorbent as a base core to manufacture a multi-purpose hybrid charged adsorbent. .

The method of claim 26, wherein: the method comprises the steps of:

1) Dehydration: The sludge is dehydrated to obtain a mud cake with a water content of 70%-60%;

2) Forced inactivation: The use of microorganisms and complex bacterial structures naturally present in the sludge as pore formers, and inactivation of the individual microorganisms and complex bacterial structures;

3) Curing or semi-curing: The inactivated sludge is transported to the primary curing equipment and mixed with 10% by weight of calcium oxide. The mixing time is 20-30mi _n . The sludge temperature is 50-70. . C;

4) Thermal anaerobic reaction: The solidified or semi-solidified sludge is in the form of granules, which are discharged from the discharge port of the primary solidification equipment and enter the pyrolysis reactor. The temperature in the kettle is 70-90 °C. ,

• The feed rate is 20-40kg/min. When all the sludge enters the reaction kettle, the feed port is closed, and the reaction kettle is in an anaerobic operation state. The temperature rise in the kettle is controlled at 30 °C/min, the final temperature. At 220 ° C, the temperature is maintained at lh, and the sludge enters the aging warehouse and is naturally aged for 48 hours.

5) Acidizing demoulding process: The sludge which has been naturally aged for 48 hours is placed in the acidification equipment, and the sludge is statically immersed for 10-14 hours with 20% sulfuric acid solution to remove the dead body residue of the coked microorganism. Removing metal impurity ions and replacing the calcium ions in the solidified material with hydrogen ions to expose the pore structure skeleton of the particles;

6) Hot water rinsing: The acidified sludge particles are rinsed with hot water at 70-90 ° C and Adjust the PH value to be neutral;

7) Physical activation of water vapor: The granulated sludge particles are physically activated by entering a hot steam bed, the flow rate of hot ice steam is 250 mL Anin, and the activation time is 1.0-2.0 h _;

8) High temperature activation: The physically activated sludge particles are input into a high temperature resistance furnace, the heating rate is controlled to be 20 ° C / min, the activation temperature of the isolated air is 700-740 ° C, and the activation time is 1.0-2.0 h _;

9) Finished product of microporous adsorbent: The tail gas produced during the high-temperature activation process is treated by a double-tower rotary spray reverse cleaning air cleaning and environmental protection device, and the microporous adsorbent has been prepared;

10) Hybrid charged adsorbent finished product: After the obtained microporous adsorbent finished particles are processed into particles of a certain size, they are mixed with acidic aluminum sol and silica sol, and the mixing ratio is 20

: 20: 10, the mixed materials are processed in a high-temperature furnace, the processing temperature is 650-7 (50 °C, constant temperature lh, the material after high temperature treatment, after cooling, and then pulverized to make hybrid charge The finished adsorbent.