CN107324588B - Ecological chain cellar and processing method - Google Patents
Ecological chain cellar and processing method Download PDFInfo
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- CN107324588B CN107324588B CN201710586203.7A CN201710586203A CN107324588B CN 107324588 B CN107324588 B CN 107324588B CN 201710586203 A CN201710586203 A CN 201710586203A CN 107324588 B CN107324588 B CN 107324588B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses an ecological chain cellar storage and a processing method, comprising a cellar storage arranged between a hillside and a dam, wherein the surface of the cellar storage is provided with a platform, and the platform, the hillside and the dam form a sealed space; the platform upper surface is equipped with a sludge treatment pond and an fertilizer workshop, sludge treatment pond top from the top down is equipped with sewage main line and suspended solid isolating device, sewage main line intercommunication urban sewage. The sewage is sent into a cellar after being subjected to solid-liquid separation thoroughly through a sludge treatment tank, a biochemical treatment tank and a series of filtering devices in sequence, and the produced gas is used for agricultural irrigation. The method adopts the mode of ecological chain cellar storage to treat the urban domestic wastewater, changes waste into valuable for recycling, produces organic fertilizer and methane, irrigates farmlands and the like, is environment-friendly, avoids secondary pollution, and achieves the real significance of recycling waste into valuable.
Description
Technical Field
The invention relates to a sewage treatment device and a sewage treatment method, in particular to an ecological chain cellar storage and a treatment method.
Background
In recent years, the economic development speed of China is increased linearly, GDP is in a steady growth state, and the living standard of people is improved continuously. However, for the utilization of water resources, people generally have a deep thought of inexhaustible water resources, which leads to the waste of water resources and the increasing pollution degree. However, the development of the current urban industrial production increases the utilization degree of water resources, so that the supply of fresh water resources is in short supply, and in addition, the urban industrial development causes the sewage problem to be aggravated, and the urban sewage problem gradually becomes a primary factor which endangers the normal development of cities and influences the urban ecology.
The sewage treatment generally comprises the following three stages: the first-stage treatment is to remove impurities, sand, fat, grease and the like contained in the sewage through mechanical treatment such as grating, sedimentation or air flotation, and the treatment is generally carried out by adopting a sludge treatment tank. The secondary treatment is biological treatment, pollutants in the sewage are degraded and converted into sludge under the action of microorganisms, and a biochemical treatment tank is generally adopted for treatment. Tertiary treatment is the advanced treatment of wastewater, which involves nutrient removal and disinfection of the wastewater by chlorination, ultraviolet radiation, or ozone techniques. Some sewage treatment processes do not include all of the above processes depending on the treatment target and the water quality.
The sewage treatment process has the function of enriching pollutants into sludge while purifying sewage through biodegradation conversion and solid-liquid separation, and comprises primary sludge generated in a primary treatment section, residual activated sludge generated in a secondary treatment section and chemical sludge generated in a tertiary treatment. Because the sludge contains a large amount of organic matters and pathogens and is extremely easy to decay and smell, secondary pollution is easily caused, and the task of eliminating the pollution is not completed. Sludge must be properly disposed through certain volume reduction, decrement and stabilization harmless treatment wells. Whether the sludge treatment is successful or not has important influence on sewage plants, and attention must be paid. If the sludge is not treated, the sludge has to be discharged with the treated effluent, and the purification effect of the sewage plant is also counteracted. Therefore, in practical application, the sludge treatment in the sewage treatment process is also quite critical.
The ecological chain cellar storage comprises the 1, 2 and 3-level treatment methods for sewage treatment, which can not meet the treatment requirements of urban domestic wastewater, and mainly because the sludge contains a large amount of organic matters and pathogens, is easy to rot and stink, is easy to cause secondary pollution, and the task of eliminating the pollution is not completed. If the sludge is not treated, the sludge has to be discharged with the treated effluent, and the purification effect of the sewage plant is also counteracted. Therefore, in practical application, the sludge treatment in the sewage treatment process is also quite critical.
Disclosure of Invention
The invention aims to solve the problems, effectively treat the sludge in the municipal sewage, avoid secondary pollution, and effectively utilize the treated sewage and the sludge, thereby achieving the aims of changing waste into valuable and effectively utilizing the ecological chain cellar and the treatment method.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an ecological chain cellar comprises a cellar body arranged between a hillside and a dam, wherein a platform is arranged on the surface of the cellar body, and the platform, the hillside and the dam form a sealed space;
a sludge treatment tank and an organic fertilizer workshop are arranged on the upper surface of the platform, a sewage main pipeline and a suspended matter isolation device are arranged at the top of the sludge treatment tank from top to bottom, and the sewage main pipeline is communicated with municipal sewage;
the suspended matter isolation device comprises a suspended matter outlet and a liquid outlet, the suspended matter outlet is conveyed into an organic fertilizer workshop through a conveying belt to process organic fertilizers, the liquid outlet is communicated with the sludge treatment tank, sewage enters the suspended matter isolation device through the sewage inlet, the isolated suspended matters are conveyed into the sludge treatment tank through the conveying belt, and liquid enters the sludge treatment tank through the liquid outlet to be treated;
the sludge treatment device is characterized in that a first filtering tank and a ditch are arranged on the outer wall of the sludge treatment tank, filtering fillers are arranged in the first filtering tank, seepage holes are formed in the outer wall of the sludge treatment tank and the outer wall of the first filtering tank, a ditch outlet is formed in the bottom of the ditch, the bottom of the ditch outlet is communicated with a biochemical treatment tank, the biochemical treatment tank is positioned on the lower surface of the platform, the outlet of the biochemical treatment tank is communicated with the interior of the cellar through a second filtering tank, the filtering fillers are arranged in the second filtering tank, and seepage holes are uniformly distributed in the outer wall;
the cellar is characterized in that partitions of the supporting platforms are arranged at intervals in the cellar, and a biogas outlet communicated with the cellar is formed in the cellar.
Preferably, the method comprises the following steps: and a crop planting area is arranged at the top of the cellar.
Preferably, the method comprises the following steps: the sludge treatment pond is 2, and the two uses in turn, and sludge treatment bottom of the pool portion is equipped with the gate valve that supplies machinery to get into the clearance, biochemical treatment bottom of the pool portion is equipped with the gate valve that supplies machinery to get into the clearance.
Preferably, the method comprises the following steps: the second filtering tank is cylindrical.
Preferably, the method comprises the following steps: and the sewage main pipeline is provided with a flow control system and a flood control drainage system.
Preferably, the method comprises the following steps: the cellar storage is arranged along the length direction of the dam, and the second filtering tank is positioned in the middle of the cellar storage.
A treatment method of an ecological chain cellar library comprises the following steps:
(1) urban sewage enters a suspended matter isolation device through a sewage main pipeline, suspended matters pass through a suspended matter outlet and are conveyed into an organic fertilizer workshop by a conveying belt to be processed, and residual sewage enters a sludge treatment tank;
(2) the sludge treatment tank is used for precipitating sewage, the sewage is filtered by the first filtering tank, then the sludge and liquid are separated, and the liquid after the sludge is separated enters the sludge treatment tank through a ditch;
(3) the biochemical treatment tank carries out biochemical treatment on the wastewater, pollutants are degraded and converted into sludge under the action of microorganisms, the generated sludge is filtered by the second filtering tank, and the residual wastewater flows into the cellar;
(4) the waste water is stored in a cellar for producing methane, and the produced waste water fully decomposes organic matters and pathogens and is used for agricultural irrigation.
Preferably, the method comprises the following steps: in the step (2), the number of the sludge treatment tanks is two, wherein one sludge treatment tank separates sewage from sludge, the sludge is stored in the sludge treatment tank to reach a preset amount, the sludge is switched to the other sludge treatment tank for treatment, a gate valve of the sludge treatment tank with the sludge is opened, and the sludge enters the sludge treatment tank through mechanical equipment to be cleaned.
Preferably, the method comprises the following steps: in the step (3), the second filtering tank is cylindrical, and the wastewater diffuses to the periphery through the cylinder.
Compared with the prior art, the invention has the advantages that: sewage enters a suspended matter isolation device through a sewage inlet to primarily isolate suspended matters, the suspended matters enter an organic fertilizer workshop through a conveying belt, residual sewage enters a sludge treatment tank and a first filtering tank to be precipitated and filtered to completely separate sludge from liquid, the liquid enters a biochemical treatment tank again, certain waste materials can be generated after biochemical treatment, the waste water is filtered by a second filtering tank, the filtered waste water enters a cellar storage, harmful substances such as pathogenic bacteria and pathogens are not contained, the liquid entering the cellar storage is used for producing gas, and the liquid after producing gas can be used for agricultural irrigation.
The ecological chain cellar provided by the invention is used for treating urban domestic sewage, so that the sludge, harmful pathogenic bacteria and wastewater can be completely separated, the treated wastewater is stored through the cellar and can be used for irrigating farmlands in spring and summer, and the upper surface of the cellar can be used as a crop and economic planting area. The invention changes the urban domestic wastewater into valuable and recycles the same.
Because the size of the cellar storage is very large, the cellar storage is supported by the partition, the inside of the cellar storage is communicated with the inside of the cellar storage in an all-round way, the second filtering tank is positioned above the second filtering tank, and the filtered waste water is diffused to the periphery, so that the work of the whole cellar storage cannot be influenced even if the waste water is stored in the cellar storage and a part of the cellar storage is damaged by landslide, mud-rock flow and the like in a certain section due to geological disasters, the influence of the environment on the cellar storage is small, and the work is effectively guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1.
In the figure: 1. a sewage main pipeline; 2. a flow control system; 3. a flood control drainage system; 4. a platform; 5. a suspended matter isolation device; 6. a conveyor belt; 7. a sludge treatment tank; 8. a first filtration tank; 9. a ditch; 10. a biochemical treatment tank; 11. a second filtration tank; 12. a biogas outlet; 13. a cellar storage; 14. separating; 15. a crop planting area; 16. a hillside; 17. a dam; 18. an organic fertilizer workshop; 19. and (4) a gate valve.
Detailed Description
The invention will be further explained with reference to the drawings.
Example 1: referring to fig. 1 and 2, the ecological chain cellar comprises a cellar 13 arranged between a hillside 16 and a dam 17, wherein a platform 4 is arranged on the surface of the cellar 13, and the platform 4, the hillside 16 and the dam 17 form a sealed space;
a sludge treatment tank 7 and an organic fertilizer workshop 18 are arranged on the upper surface of the platform 4, a sewage main pipeline 1 and a suspended matter isolation device 5 are arranged at the top of the sludge treatment tank 7 from top to bottom, and the sewage main pipeline 1 is communicated with municipal sewage;
the suspended matter isolation device 5 comprises a suspended matter outlet and a liquid outlet, the suspended matter outlet is sent into an organic fertilizer workshop 18 through a conveyer belt 6 for organic fertilizer processing, the liquid outlet is communicated with the sludge treatment tank 7, sewage enters the suspended matter isolation device 5 through a sewage inlet, the isolated suspended matter is sent into the sludge treatment tank 7 through the conveyer belt 6, and liquid enters the sludge treatment tank 7 through the liquid outlet for treatment;
the outer wall of the sludge treatment tank 7 is provided with a first filtering tank 8 and a ditch 9, filtering filler is arranged in the first filtering tank 8, seepage holes are formed in the outer wall of the sludge treatment tank 7 and the outer wall of the first filtering tank 8, the bottom of the ditch 9 is provided with an outlet of the ditch 9, the bottom of the outlet of the ditch 9 is communicated with a biochemical treatment tank 10, the biochemical treatment tank 10 is positioned on the lower surface of the platform 4, the outlet of the biochemical treatment tank 10 is communicated with the interior of the cellar 13 through a second filtering tank 11, filtering filler is arranged in the second filtering tank 11, and seepage holes are uniformly distributed in the outer wall;
In this embodiment, the top of the cellar storage 13 is provided with a crop planting area 15, the number of the sludge treatment tanks 7 is 2, the two tanks are used alternately, the bottom of the sludge treatment tank 7 is provided with a gate valve 19 for allowing machinery to enter and clean, the bottom of the biochemical treatment tank 10 is provided with a gate valve 19 for allowing machinery to enter and clean, the second filtering tank 11 is cylindrical, the sewage main pipeline 1 is provided with a flow control system 2 and a flood control drainage system 3, the cellar storage 13 is arranged along the length direction of the dam 17, and the second filtering tank 11 is located in the middle of the cellar storage 13.
A treatment method of an ecological chain cellar storage 13 comprises the following steps:
(1) urban sewage enters a suspended matter isolation device 5 through a sewage main pipeline 1, suspended matters pass through a suspended matter outlet and are conveyed into an organic fertilizer workshop 18 through a conveying belt 6 for organic fertilizer processing, and residual sewage enters a sludge treatment tank 7;
(2) the sludge treatment tank 7 is used for precipitating the sewage, the sewage is filtered by the first filtering tank 8, then the sludge and the liquid are separated, and the liquid after the sludge is separated enters the sludge treatment tank 7 through the ditch 9;
(3) the biochemical treatment tank 10 carries out biochemical treatment on the wastewater, pollutants are degraded and converted into sludge under the action of microorganisms, the generated sludge is filtered by the second filtering tank 11, and the residual wastewater flows into the cellar 13;
(4) the waste water is stored in the cellar storage 13 and is used for generating methane, and the waste water after methane generation fully decomposes organic matters and pathogens and is used for agricultural irrigation.
In the step (2), the number of the sludge treatment tanks 7 is two, wherein one sludge treatment tank 7 separates sewage from sludge, the sludge is stored in the sludge treatment tank 7 to reach a preset amount, the sludge is switched to the other sludge treatment tank 7 for treatment, a gate valve 19 of the sludge treatment tank 7 with the sludge is opened, and the sludge enters the mechanical equipment to be cleaned; in the step (3), the second filtering tank 11 is cylindrical, and the wastewater diffuses to the periphery through the cylinder.
In the invention, the sludge treatment tank 7 is mainly used for removing impurities, sand, fat, grease and the like contained in sewage, the biochemical treatment tank 10 is mainly used for degrading and converting pollutants in the sewage into sludge under the action of microorganisms, and after the treatment of the invention, the urban domestic sewage can well filter and remove substances harmful to human bodies, such as sludge, pathogens, heavy metals and the like.
When the device is arranged, the cellar storage 13 is built at the downstream of a city, and the sewage main pipeline 1 is connected with all sewage outlets of the city and leads to the cellar storage 13. Depending on the altitude of the city, one city may be addressed by building 1 to a plurality of such cellars 13.
The cellar 13 comprises a sewage main pipeline 1, a flow control system 2, a flood control drainage system 3, suspended matter treatment, organic fertilizer processing, a primary sludge treatment tank 7, a sludge mechanical cleaning system, filtering, a secondary biochemical treatment tank 10, a sludge mechanical cleaning system, filtering, ecological chain cellar 13 storage, a crop planting area 15, biogas production and irrigation. The whole process flow is mechanically controlled.
Municipal sewage passes through flow control system 2, flood control drainage system 3's control, gets into suspended solid isolating device 5 from sewage main line 1, the first suspended solid is after just filtering, gets into sludge treatment pond 7, and through first filtering ponds 8, ditch 9, biochemical treatment pond 10, second filtering ponds 11, finally get into cellar for storing things storehouse 13, produce marsh gas in cellar for storing things storehouse 13, and decompose the harmful substance in the waste water simultaneously, make waste water become the rich water that can irrigate, the use of fertilizer etc. has been reduced.
In the invention:
1. the sewage main pipeline 1 is connected with an urban sewage outlet;
2. adopting a flow control system 2 and a flood control drainage system 3 which are respectively used for controlling the total flow of the urban sewage entering and the braking drainage when the flow exceeds the total flow of the urban drainage in rainy season;
3. treating suspended matters: carry out the primary separation through suspended solid isolating device 5 to the suspended solid, separate most suspended object and sewage, the suspended solid is carried to fertilizer workshop and is mixed with domestic waste and is made organic fertilizer, can solve partial domestic waste.
4. Sludge separation: i adopt two large-scale mud separating ponds, when one is used for filterable, another just can carry out the mud clearance, and two separating ponds exchange the use each other, and the mud of clearing away can add and do fertilizer in fertilizer workshop, and biochemical treatment pond 10 can handle harmful substance such as pathogen, heavy metal to degrade into mud separation with it, can thoroughly solve the problem of material secondary pollution.
5, filtering wastewater: after sludge separation, the wastewater is filtered and enters a cellar storage 13 for storage.
6. The cellar storage 13 stores: the purified waste water enters the cellar storage 13 to be stored for generating methane, and the waste water after generating methane is decomposed by organic matters, so that the organic matters and pathogens in the waste water are completely solved, the waste water can be used for agricultural irrigation, all the stored waste water is used for irrigating farmlands after generating methane, and the waste water has certain nutrition to plants, so that the fertilizer application to crops can be reduced.
7. Crop planting area 15: the vault 13 is closed and is available for a crop growing area 15.
8. And (3) environmental protection: all the waste water and part of the garbage in the city can be changed into valuable, the environment is protected and reused, and all the waste water can not flow into the river channel to form secondary pollution.
Taking the city of the Sichuan province, which is a long-standing city, 100 million people and 5475 million tons of water are used each year. One vault 13 can handle.
The dam 17 is built in a reservoir building mode by utilizing the advantages of autumn forests in the downstream, the upper surface of the cellar 13 is completely covered, soil is paved on the upper surface for crop planting, an organic fertilizer factory is built, and the real significance of recycling waste materials is achieved.
The invention relates to an ecological chain cellar 13, which is once put into use for hundreds of years, has low maintenance cost, can solve the employment of thousands of people, improves the recycling of water, and saves considerable treatment cost for the country every year. Changing waste into valuable; organic fertilizer, biogas output, farmland irrigation and the like, so that secondary pollution is avoided in an environment-friendly manner, and considerable income is also provided.
Claims (9)
1. The utility model provides an ecological chain cellar for storing things storehouse which characterized in that: the pit comprises a pit base arranged between a hillside and a dam, wherein a platform is arranged on the surface of the pit base, and the platform, the hillside and the dam form a sealed space;
a sludge treatment tank and an organic fertilizer workshop are arranged on the upper surface of the platform, a sewage main pipeline and a suspended matter isolation device are arranged at the top of the sludge treatment tank from top to bottom, and the sewage main pipeline is communicated with municipal sewage;
the suspended matter isolation device comprises a suspended matter outlet and a liquid outlet, the suspended matter outlet is conveyed into an organic fertilizer workshop through a conveying belt for organic fertilizer processing, the liquid outlet is communicated with the sludge treatment tank, sewage enters the suspended matter isolation device through a sewage inlet, the isolated suspended matter is conveyed into the organic fertilizer workshop through the conveying belt, and liquid enters the sludge treatment tank through the liquid outlet for treatment;
the sludge treatment device is characterized in that a first filtering tank and a ditch are arranged on the outer wall of the sludge treatment tank, filtering fillers are arranged in the first filtering tank, seepage holes are formed in the outer wall of the sludge treatment tank and the outer wall of the first filtering tank, a ditch outlet is formed in the bottom of the ditch, the bottom of the ditch outlet is communicated with a biochemical treatment tank, the biochemical treatment tank is positioned on the lower surface of the platform, the outlet of the biochemical treatment tank is communicated with the interior of the cellar through a second filtering tank, the filtering fillers are arranged in the second filtering tank, and seepage holes are uniformly distributed in the outer wall;
the device is characterized in that partitions of the supporting platforms are arranged in the cellar at intervals, a biogas outlet communicated with the interior of the cellar is formed in the cellar, waste water is stored in the cellar and used for generating biogas, and organic matters and pathogens are fully decomposed by the waste water after biogas generation and used for agricultural irrigation.
2. The ecological chain cellar library of claim 1, wherein: and a crop planting area is arranged at the top of the cellar.
3. The ecological chain cellar library of claim 1, wherein: the sludge treatment pond is 2, and the two uses in turn, and sludge treatment bottom of the pool portion is equipped with the gate valve that supplies machinery to get into the clearance, biochemical treatment bottom of the pool portion is equipped with the gate valve that supplies machinery to get into the clearance.
4. The ecological chain cellar library of claim 1, wherein: the second filtering tank is cylindrical.
5. The ecological chain cellar library of claim 1, wherein: and the sewage main pipeline is provided with a flow control system and a flood control drainage system.
6. The ecological chain cellar library of claim 1, wherein: the cellar storage is arranged along the length direction of the dam, and the second filtering tank is positioned in the middle of the cellar storage.
7. The method for processing the ecological chain cellar library according to claim 1, wherein the method comprises the following steps: the method comprises the following steps:
(1) urban sewage enters a suspended matter isolation device through a sewage main pipeline, suspended matters pass through a suspended matter outlet and are conveyed into an organic fertilizer workshop by a conveying belt to be processed, and residual sewage enters a sludge treatment tank;
(2) the sludge treatment tank is used for precipitating sewage, the sewage is filtered by the first filtering tank, then the sludge and liquid are separated, and the liquid after the sludge is separated enters the sludge treatment tank through a ditch;
(3) the biochemical treatment tank carries out biochemical treatment on the wastewater, pollutants are degraded and converted into sludge under the action of microorganisms, the generated sludge is filtered by the second filtering tank, and the residual wastewater flows into the cellar;
(4) the waste water is stored in a cellar for producing methane, and the produced waste water fully decomposes organic matters and pathogens and is used for agricultural irrigation.
8. The method for processing the ecological chain cellar library according to claim 7, wherein the method comprises the following steps: in the step (2), the number of the sludge treatment tanks is two, wherein one sludge treatment tank separates sewage from sludge, the sludge is stored in the sludge treatment tank to reach a preset amount, the sludge is switched to the other sludge treatment tank for treatment, a gate valve of the sludge treatment tank with the sludge is opened, and the sludge enters the sludge treatment tank through mechanical equipment to be cleaned.
9. The method for processing the ecological chain cellar library according to claim 7, wherein the method comprises the following steps: in the step (3), the second filtering tank is cylindrical, and the wastewater diffuses to the periphery through the cylinder.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998055402A1 (en) * | 1997-06-04 | 1998-12-10 | Ulrich Braun | Method and device for sewage treatment |
| CN203429024U (en) * | 2013-09-16 | 2014-02-12 | 三门峡雏鹰农牧有限公司 | Ecological biogas treatment system |
| CN203890193U (en) * | 2014-04-29 | 2014-10-22 | 烟台福祖畜牧养殖有限公司 | Pig farm sewage treatment and biogas production system |
| CN104230095A (en) * | 2014-01-20 | 2014-12-24 | 浙江青草地园林市政建设发展有限公司 | Ecological intercepting and purifying system for suburban domestic sewage |
| CN106565058A (en) * | 2016-11-03 | 2017-04-19 | 聊城职业技术学院 | Stockyard sewage treatment technology |
-
2017
- 2017-07-18 CN CN201710586203.7A patent/CN107324588B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998055402A1 (en) * | 1997-06-04 | 1998-12-10 | Ulrich Braun | Method and device for sewage treatment |
| CN203429024U (en) * | 2013-09-16 | 2014-02-12 | 三门峡雏鹰农牧有限公司 | Ecological biogas treatment system |
| CN104230095A (en) * | 2014-01-20 | 2014-12-24 | 浙江青草地园林市政建设发展有限公司 | Ecological intercepting and purifying system for suburban domestic sewage |
| CN203890193U (en) * | 2014-04-29 | 2014-10-22 | 烟台福祖畜牧养殖有限公司 | Pig farm sewage treatment and biogas production system |
| CN106565058A (en) * | 2016-11-03 | 2017-04-19 | 聊城职业技术学院 | Stockyard sewage treatment technology |
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| CN107324588A (en) | 2017-11-07 |
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