CN107473521B - Continuous efficient purification system and method thereof - Google Patents
Continuous efficient purification system and method thereof Download PDFInfo
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- CN107473521B CN107473521B CN201710860047.9A CN201710860047A CN107473521B CN 107473521 B CN107473521 B CN 107473521B CN 201710860047 A CN201710860047 A CN 201710860047A CN 107473521 B CN107473521 B CN 107473521B
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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
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
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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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
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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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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention provides a continuous high-efficiency purifying system and a method thereof, which are used for purifying sewage, and comprise a magnetic reinforced flocculation device and a vortex deposition separation device; the water inlet pipeline of the magnetic reinforced flocculation device is provided with a magnetic powder adding port, an inorganic coagulant adding port and an organic flocculant adding port; the water inlet pipeline is tangent to the main body of the vortex deposition separation device along the circumferential direction and is inserted into the main body, a guide cylinder is also arranged in the main body, and water forms vortex between the shell and the guide cylinder outer cylinder; a water outlet is arranged at the upper part of the guide cylinder, and the water body after vortex deposition separation enters the guide cylinder and is discharged from the water outlet; the pollutants in the water are discharged from a slag discharge port at the lower part of the vortex deposition separation device, and after being separated by a magnetic separator, the magnetic powder is recycled. The invention can remove suspended matters, greasy dirt, floaters and other matters in the sewage greatly, and simultaneously the process method greatly reduces the occupation of land.
Description
Technical Field
The invention belongs to the technical field of water treatment equipment, relates to a high-efficiency purification system and a method thereof for continuously treating sewage, and in particular relates to a continuous high-efficiency purification system and a method thereof for magnetic strengthening flocculation and vortex deposition separation.
Background
With the rapid development of human beings, forests, wetlands, grasslands and the like in natural areas are continuously replaced by roads, squares, buildings and the like, and the scale of cities is continuously expanding, so that the problems of urban hydrology, water quality, water resources and the like are increasingly prominent. The sewage mainly comprises domestic sewage, industrial wastewater and initial rainwater. A large number of researches show that the particles are main carriers of various pollutants in the sewage, play roles in early stage pollutant adsorption, middle stage pollutant transportation and later stage pollutant sedimentation release in the sewage, and meanwhile, the particles are important water quality indexes for influencing the transparency and turbidity of the water body.
While domestic wastewater treatment is becoming a progressive approach to developed countries, further fumbling and attempts are needed. Domestic sewage treatment measures mainly comprise two types: a filtration interception method and a natural sedimentation method. The filtering interception method is to construct a plurality of filtering systems manually, introduce the sewage into the filtering systems for simple filtering treatment, such as adopting different stages of stone-matched blind ditches or perforated concrete filter plates, and the like for simple filtering of the sewage. The filtering interception method has the defects that a filtering interception system is easy to block and lose efficacy, cleaning service is difficult after losing efficacy, and the like. The natural sedimentation method is to construct a sewage regulating and accumulating tank, discharge sewage into the regulating and accumulating tank and remove pollutants in the sewage through gravity sedimentation. But the problems of large occupied area of the regulating reservoir, large manual cleaning difficulty, incapability of continuous operation and the like exist.
Disclosure of Invention
In order to solve the problem of pollutant separation in sewage, the invention provides a continuous efficient purification system and a method thereof. The flocculation, vortex, filtration and microbial degradation technology is combined to be applied to the sewage treatment device, the separation of pollutants in the sewage is enhanced through the flocculation, vortex and filtration technology, the separated pollutants are further degraded and removed through the microbial technology, suspended matters, greasy dirt, floaters and other substances in the sewage can be removed greatly through the process, and meanwhile, the occupation of land is greatly reduced through the process. The technical scheme adopted for solving the technical problems is as follows:
a continuous high-efficiency purifying system comprises a magnetic strengthening flocculation device and an eddy deposition separation device; the magnetic strengthening flocculation device comprises a water inlet pipeline and a medicament supply device, wherein the medicament supply device comprises 3 medicament adding ports arranged on the water inlet pipeline, and the 3 medicament adding ports are a magnetic powder adding port, an inorganic coagulant adding port and an organic flocculant adding port respectively; the vortex deposition separation device comprises a shell, a guide cylinder and a hollow main body, wherein the guide cylinder is arranged in the main body, and the water inlet pipeline is tangential to the main body of the vortex deposition separation device along the circumferential direction and is inserted into the main body; a water outlet is formed in the upper part of the guide cylinder, and separated water enters the guide cylinder and is discharged from the water outlet; the pollutant is discharged from a slag discharging port at the lower part of the vortex deposition separation device.
Preferably, the device further comprises a magnetic powder recycling device, wherein the magnetic powder recycling device comprises a magnetic separator, pollutants discharged from the slag discharge port pass through the magnetic separator to separate magnetic powder, and the separated magnetic powder is returned to the magnetic powder inlet for recycling.
Preferably, the guide cylinder further comprises an inner cylinder and an outer cylinder, an annular space is formed between the guide cylinder outer cylinder and the inner cylinder, and the separated water body enters the annular space between the guide cylinder outer cylinder and the inner cylinder through the lower opening of the guide cylinder and is discharged through the water outlet. The preferred guide cylinder outer cylinder is in a truncated cone shape with a small upper part and a large lower part, and more preferably, the included angle between a truncated cone generatrix formed by the guide cylinder outer cylinder and the altitude line is smaller than 10 degrees, wherein the included angle can be 3 degrees or 5 degrees.
Preferably, a baffle is further provided inside the body, the baffle being located below the guide cylinder, thereby forming a sediment collection zone inside the body below the baffle. Preferably, the continuous high-efficiency purification system is a cylindrical cylinder with a height 1.5 to 3 times, preferably 2 times or 2.5 times, the diameter of the bottom surface.
Preferably, the baffle bottom has a downward surface and there are weeps in the baffle bottom, and contaminants deposited on the inner wall of the housing are directed along the downward surface of the baffle to the weeps through which they enter the deposit collection zone.
Preferably, the shell comprises a filter material adsorption biological layer, the filter material adsorption biological layer has porous structural substances, preferably, the filter material adsorption biological layer can have one or more layers, and each layer can be the same or different porous structural substances, and can comprise one or more of ceramsite, zeolite and volcanic rocks.
Preferably, the water inlet pipe of the magnetic strengthening flocculation device is obliquely downwards arranged on the shell of the vortex deposition separation device. Preferably, the inlet conduit is at an angle of less than 30 ° to the horizontal, more preferably the angle may be 5 °,10 °, or 15 °.
Preferably, the magnetic powder is, for example, a magnetic powder including ferroferric oxide; the inorganic coagulant can be one or a mixture of more of aluminum salt, ferric salt and calcium chloride; the organic flocculant can be high molecular organic matters such as polyacrylamide, derivatives thereof and the like.
Preferably, the medicament supply apparatus further comprises an automatic feeding device; the addition amounts of the magnetic powder, the inorganic coagulant and the organic flocculant are automatically controlled according to the flow of water; and/or the adding proportion of the magnetic powder, the inorganic coagulant and the organic flocculant is automatically adjusted according to the water flow.
In addition, the invention also provides a continuous efficient purification method, which is used for purifying sewage, and comprises the continuous efficient purification system, wherein magnetic powder, an inorganic flocculant and an organic flocculant are sequentially added at different positions on the water inlet pipeline, and the sewage is mixed with the magnetic powder, the inorganic flocculant and the organic flocculant in the water inlet pipeline to generate flocculation reaction, so that particles which are difficult to precipitate in the water are mutually polymerized to form floccules; the water body subjected to the magnetically enhanced flocculation process is tangentially guided to the vortex deposition separation device, so that the water body enters the main body of the separation device along a mode tangential to the circumference of the vortex deposition separation device; arranging the guide cylinder in the vortex deposition separation device so as to form vortex rotation movement between the shell and the guide cylinder of the vortex deposition separation device; due to the centrifugal separation effect, pollutants carried in the water body are accumulated near the inner wall of the shell and are discharged through the slag discharge port; the water body with the pollutants removed enters the guide cylinder and is discharged through the water outlet of the guide cylinder; and the deposited pollutants are discharged through the slag discharge port below the guide cylinder, preferably, the pollutants discharged through the slag discharge port are separated into magnetic powder through a magnetic separator, and the magnetic powder is returned to the magnetic powder feeding port for recycling.
Compared with the prior art, the invention has the following beneficial effects:
(1) The flocculant and the coagulant are added, so that most pollutants (including tiny particles and dissolved substances) in the water body can be removed by the system, and the water quality of the effluent is good;
(2) Due to the addition of the magnetic powder, flocculation is enhanced, so that flocculation sedimentation time is greatly reduced, and treatment efficiency is improved;
(3) The medicament is added automatically, so that the operation and running process of the system is greatly simplified; the adding amount and the proportion of the medicament are automatically adjusted according to the water flow, so that the cost is greatly saved;
(4) Due to the effect of vortex sedimentation, the separation effect of particles in the water body is stronger than that of general gravity sedimentation, and the purification effect and the treatment efficiency of the water body are further improved; in addition, as the vortex deposition separation device is arranged above the sediment collecting area, the vortex and gravity sedimentation are arranged up and down, the overall height of the water purifying system is increased, the purifying treatment capacity of the water body is increased, and the occupied area of the purifying system is greatly reduced;
(5) The inner wall of the vortex deposition separation device is provided with a layer of biological filter material layer, so that the adsorption and capture effects of the filter material layer can greatly improve the purification effect of water, and meanwhile, the biological degradation effects of the filter material layer can further improve the quality of effluent;
(6) The magnetic powder is separated and recycled, so that the system has good environmental and economic benefits.
Drawings
The present invention will be described in detail below with reference to the drawings and examples.
FIG. 1 is a schematic front view of a continuous high efficiency decontamination system
FIG. 2 is a schematic cross-sectional view of a continuous high efficiency purification system
In the figure: the device comprises a water inlet pipeline 1, a magnetic powder inlet 2, an inorganic coagulant inlet 3, an organic flocculant inlet 4, a shell 5, a guide cylinder 6, a main body 7, an inner cylinder 8, an outer cylinder 9, a water outlet 10, a water outlet pipeline 11, a guide plate 12, a sediment collecting area 13, a leakage hole 14, a slag discharging port 15, a filter material adsorption biological layer 16, a magnetic separator 17 and a recycling pipeline 18.
Detailed Description
The technical scheme of the invention is further described in detail below with reference to the accompanying drawings and examples.
As shown in figures 1 and 2, the continuous high-efficiency purifying system is used for purifying various sewage containing suspended matters, greasy dirt, floaters and the like, and comprises a magnetic strengthening flocculation device and a vortex deposition separation device.
The magnetic reinforced flocculation device comprises a water inlet pipeline 1 and a medicament supply device, wherein the medicament supply device comprises 3 medicament adding ports arranged on the water inlet pipeline 1, and the 3 medicament adding ports are a magnetic powder adding port 2, an inorganic coagulant adding port 3 and an organic flocculant adding port 4 respectively. The magnetic powder is, for example, a magnetic powder including ferroferric oxide. The inorganic coagulant may be one or a mixture of several of aluminum salt, ferric salt and calcium chloride. The organic flocculant can be high molecular organic matters such as polyacrylamide, derivatives thereof and the like. The coagulant and the flocculant are added into the water to polymerize the particles which are difficult to precipitate in the water to form a floccule. The flocculating constituent has strong adsorption capacity, can adsorb suspended matters, and can adsorb partial bacteria and soluble substances, and the flocculating constituent is combined with impurities in the water body to form larger flocculating constituent. The flocculating constituent is increased in volume and is sunk through adsorption, so that the pollutants in the water are primarily removed. The magnetic powder can strengthen the reaction inside flocculation, and greatly improves the sedimentation rate of pollutants.
The magnetic powder inlet 2, the inorganic coagulant inlet 3 and the organic coagulant inlet 4 are arranged on the water inlet pipeline 1 in sequence according to the water flow direction. Firstly, the magnetic powder is uniformly dispersed in the water body, so that the water body carrying the magnetic powder can more efficiently perform flocculation reaction under the action of the coagulant and the flocculant added later. The medicament supply device also comprises automatic feeding equipment, and the addition amounts of the magnetic powder, the inorganic coagulant and the organic flocculant are automatically controlled according to the flow of water. In addition, considering the influence of the water flow speed on the flocculation sedimentation action time, the adding proportion of the magnetic powder, the inorganic coagulant and the organic flocculant is automatically adjusted according to the water flow, so that the intelligent agent adding is realized, the operation and running steps of the magnetic strengthening flocculation device are greatly simplified, and not only is the labor cost saved, but also the running cost is saved.
The vortex deposition separation device comprises a housing 5, a guide cylinder 6, and a cylindrical hollow body 7 formed by the housing. Inside the main body 7 is provided a guide cylinder 6, the guide cylinder 6 being mounted inside the main body 7 by a supporting means (not shown). The guide cylinder 6 comprises an inner cylinder 8, an outer cylinder 9 and a water outlet 10. The guide cylinder 6 is positioned at the upper part of the main body 7, and the corresponding position of the water inlet pipeline 1. Annular spaces are respectively formed among the shell 5, the guide cylinder outer cylinder 9 and the inner cylinder 8, sewage enters the main body 7 along the tangential direction of the shell 5 of the separation device, vortex states are formed between the shell 5 and the guide cylinder outer cylinder 9 and between the guide cylinder outer cylinder 9 and the inner cylinder 8, and the centrifugal effect of the sewage in the main body of the separation device is further increased due to the arrangement of the guide cylinder 6. The floccules formed in the water body are separated under the action of centrifugal force, firstly gather near the inner wall of the shell 5 and deposit downwards along the inner wall of the shell 5 under the action of gravity; the water body with the pollutants removed enters an annular space between the guide cylinder outer cylinder 9 and the guide cylinder 8 from the opening at the lower part of the guide cylinder 6, and moves to the water outlet 10 to be discharged through the water outlet pipeline 11 after ascending spirally. The water outlet 10 is positioned at one side of the upper part of the guide cylinder outer cylinder 9 far away from the water inlet pipeline 1. The outlet conduit 11 is connected to the outlet 10 and extends out of the separator housing 5, whereby the contaminant-depleted water is discharged outwards through the outlet conduit 11. The guide cylinder outer cylinder 9 is in a round table shape with a small upper part and a large lower part, so that water body can perform spiral descending motion in the vortex deposition separation device main body 7, and the separated water body can enter the guide cylinder through the lower part of the guide cylinder 6. Preferably, the included angle between the truncated cone generatrix formed by the guide cylinder outer cylinder 9 and the altitude line is smaller than 10 degrees, more preferably, the included angle can be 3 degrees or 5 degrees. The guide cylinder inner cylinder 8 is cylindrical, so that water body spirally ascends between the guide cylinder inner cylinder 8 and the outer cylinder 9 and is discharged from the water outlet 10.
A deflector 12 is also provided inside the body 7, the deflector 12 being located at a lower position of the body below the guide cylinder 6, so that a sediment collection area 13 is formed inside the body 7 below the deflector 12. The baffle 12 has a downward facing surface at the bottom and has a drain hole 14 at the bottom, and contaminants deposited on the inner wall of the housing 5 are directed along the downward facing surface of the baffle 12 to the drain hole 14 and through the drain hole 14 into the deposit collection zone 13. In the sediment collecting area 13, a slag discharge port 15 is also provided on the side wall of the housing 5, and the pollutants deposited in the sediment collecting area 13 are discharged from the slag discharge port 15.
The continuous high-efficiency purifying system is a cylindrical barrel with the height of 1.5-3 times, preferably 2 times or 2.5 times, the diameter of the bottom surface. The long cylindrical structure enables the guide cylinder with vortex separation to be arranged above the sediment collecting area, and the vortex separation and gravity sedimentation areas are arranged up and down, so that the purifying treatment capacity of the water body is increased, and the occupied area of the purifying system is greatly reduced.
In addition, the housing 5 of the vortex deposition separation device comprises a filter material adsorbing biological layer 16, the filter material adsorbing biological layer 16 having a porous structure substance. Filter material adsorbing biological layer 16 may be one or more layers and each layer may be the same or different porous structure material, for example, may include one or more of ceramsite, zeolite, and vesuvianite. Under the centrifugal effect, the pollutant gathered near the inner wall of the shell 5 is adsorbed in the porous structure of the filter material adsorption biological layer 16, and in addition, the microorganism in the filter material adsorption biological layer 16 has degradation effect, and does not release toxic and harmful substances to the water body, thereby greatly strengthening the purifying effect of the water body.
Further, the water inlet pipe 1 of the magnetic strengthening flocculation device is obliquely downwards arranged on the shell 5 of the vortex deposition separation device, so that water flow and formed floccules can smoothly flow to the vortex deposition separation device, and blockage is avoided. Preferably, the inlet conduit 1 is at an angle of less than 30 ° to the horizontal, more preferably the angle may be 5 °,10 °, or 15 °. As shown in fig. 2, the water inlet pipe 1 is tangential to the main body 7 of the vortex deposition separation device in the circumferential direction and inserted into the main body 7, and sewage enters the main body 7 in the tangential direction of the separation device housing 5 to form a vortex flow.
In addition, the continuous high-efficiency purifying system also comprises magnetic powder recycling equipment. The magnetic powder recycling equipment comprises a magnetic separator 17 and a recycling pipeline 18, and pollutants discharged from a slag discharge port 15 of the vortex deposition separation device pass through the magnetic separator 17 to separate magnetic powder. The magnetic powder outlet of the magnetic separator 17 is communicated with the magnetic powder inlet 2 through a recycling pipeline 18, and the separated magnetic powder is returned to the magnetic powder inlet 2 through the recycling pipeline 18 for recycling. The magnetic powder recycling device can be directly connected with the slag discharging port 15 of the vortex deposition separation device, and pollutants discharged from the slag discharging port 15 can be conveyed to the magnetic powder recycling device for operation through the conveying device. The magnetic powder is recycled, so that the consumption of the magnetic powder is greatly reduced, and the method has good economic and environmental effects.
The invention also provides a continuous high-efficiency purifying method, which is used for purifying various sewage containing suspended matters, greasy dirt or floaters and the like, firstly, magnetic powder, an inorganic flocculant and an organic flocculant are sequentially added at different positions on a water inlet pipeline 1, and water is mixed with the magnetic powder, the inorganic flocculant and the organic flocculant in the water inlet pipeline 1 to generate flocculation reaction, so that particles which are difficult to precipitate in the water are mutually polymerized to form floccules. The magnetic powder can strengthen the reaction inside flocculation, and greatly improves the sedimentation rate of pollutants. The water body subjected to the magnetically enhanced flocculation process is tangentially guided to the vortex deposition separation device, so that the water body enters the separation device body along a mode tangential to the circumference of the vortex deposition separation device. The guide cylinder 6 is arranged in the vortex deposition separation device, so that an annular space is formed between the shell 5 of the vortex deposition separation device and the guide cylinder 6, sewage flows along the annular space between the guide cylinder 6 and the shell 5, and vortex rotation is enhanced. The pollutants carried in the water body are separated under the centrifugal separation effect, the pollutants are firstly gathered near the inner wall of the shell 5, the pollutants gathered near the inner wall of the shell 5 are adsorbed in the porous structure of the filter material adsorption biological layer 16, and the pollutants are deposited downwards along the inner wall of the shell 5 under the action of gravity; the water body with the pollutants removed enters the guide cylinder 6 from the lower opening of the guide cylinder 6, is communicated to the water outlet pipeline 11 through the water outlet 10 of the guide cylinder 6, and is discharged therefrom. The deposited pollutant is guided to a sediment collecting area 13 at the lower part of the vortex deposition separation device through a guide plate below the guide cylinder and is discharged through a slag discharge port. The discharged pollutant is conveyed to the magnetic powder recovery device, and the magnetic powder is separated from the pollutant by the magnetic separator 17 and returned to the magnetic powder inlet 2 for recycling.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Claims (9)
1. A continuous high efficiency decontamination system, characterized in that: comprises a magnetic strengthening flocculation device and an eddy current deposition separation device; the magnetic strengthening flocculation device comprises a water inlet pipeline (1) and a medicament supply device, wherein the medicament supply device comprises 3 medicament adding ports arranged on the water inlet pipeline (1), and the 3 medicament adding ports are a magnetic powder adding port (2), an inorganic coagulant adding port (3) and an organic flocculant adding port (4) respectively; the vortex deposition separation device comprises a shell (5), a guide cylinder (6) and a hollow main body (7), wherein the guide cylinder (6) is arranged inside the main body (7), and the water inlet pipeline (1) is tangential to the main body (7) of the vortex deposition separation device along the circumferential direction and is inserted into the main body (7); a water outlet (10) is formed in the upper part of the guide cylinder (6), and the separated water body enters the guide cylinder (6) and is discharged from the water outlet (10); the device comprises a vortex deposition separation device, a magnetic powder recycling device, a magnetic powder separating device, an automatic feeding device and a medicament supply device, wherein pollutants are discharged from a slag discharging port (15) at the lower part of the vortex deposition separation device, the magnetic powder recycling device comprises a magnetic separator (17), the pollutants discharged from the slag discharging port (15) pass through the magnetic separator (17) to separate magnetic powder, the separated magnetic powder returns to a magnetic powder adding port (2) for recycling, an annular space is formed between the guide cylinder outer cylinder (9) and the inner cylinder (8), separated water enters an annular space between the guide cylinder outer cylinder (9) and the inner cylinder (8) through an opening at the lower part of the guide cylinder (6), the separated water is discharged through a water outlet (10), the guide cylinder (9) is in the shape of a truncated cone with the shape of a small upper part and a large lower part, a bus formed by the guide cylinder outer cylinder (9) and a high line of the guide cylinder are included angle smaller than 10 degrees, and the medicament supply device further comprises the automatic feeding device; the addition amounts of the magnetic powder, the inorganic coagulant and the organic flocculant are automatically controlled according to the flow of water; and/or the adding proportion of the magnetic powder, the inorganic coagulant and the organic flocculant is automatically adjusted according to the water flow.
2. A continuous, high efficiency decontamination system according to claim 1, wherein: the included angle is 3 ° or 5 °.
3. A continuous, high efficiency decontamination system according to claim 2, wherein: a deflector (12) is further arranged inside the main body (7), and the deflector (12) is positioned below the guide cylinder (6), so that a sediment collection area (13) is formed inside the main body (7) below the deflector (12); the continuous high-efficiency purifying system is a cylindrical barrel, and the height of the cylindrical barrel is 1.5-3 times of the diameter of the bottom surface of the cylindrical barrel.
4. A continuous, high efficiency decontamination system according to claim 3, wherein: the height of the cylindrical barrel is 2 times or 2.5 times of the diameter of the bottom surface thereof.
5. A continuous, high efficiency decontamination system according to claim 4, wherein: the bottom of the guide plate (12) is provided with a downward surface, and the bottom of the guide plate is provided with a drain hole (14), and pollutants deposited on the inner wall of the shell (5) are guided to the drain hole (14) along the downward surface of the guide plate (12) and enter a sediment collecting area (13) through the drain hole (14).
6. A continuous, high efficiency decontamination system according to claim 5, wherein: the shell (5) comprises a filter material adsorption biological layer (16), and the filter material adsorption biological layer (16) is provided with porous structural substances; the filter material adsorption biological layer (16) is of one or more layers, and each layer is of the same or different porous structural substances, including one or more of ceramsite, zeolite and vesuvianite.
7. A continuous, high efficiency decontamination system according to claim 6, wherein: the water inlet pipeline (1) of the magnetic reinforced flocculation device is obliquely downwards arranged on the shell (5) of the vortex deposition separation device, and the included angle between the water inlet pipeline (1) and the horizontal plane is smaller than 30 degrees.
8. A continuous, high efficiency decontamination system according to claim 7, wherein: the magnetic powder is magnetic powder comprising ferroferric oxide; the inorganic coagulant is one or a mixture of more of aluminum salt, ferric salt and calcium chloride; the organic flocculant is high molecular organic matters such as polyacrylamide, derivatives thereof and the like.
9. A continuous efficient purifying method is characterized in that: a continuous high-efficiency purification system comprising the method according to any one of claims 1-8, wherein magnetic powder, an inorganic flocculant and an organic flocculant are sequentially added at different positions on the water inlet pipeline (1), and are mixed with the magnetic powder, the inorganic flocculant and the organic flocculant in the water inlet pipeline (1) to perform flocculation reaction, so that particles which are difficult to precipitate in water are mutually polymerized to form floccules; the water body subjected to the magnetically enhanced flocculation process is tangentially guided to the vortex deposition separation device, so that the water body enters the main body of the separation device along a mode tangential to the circumference of the vortex deposition separation device; the guide cylinder (6) is arranged in the vortex deposition separation device, so that an annular space is formed between the shell (5) and the guide cylinder (6) of the vortex deposition separation device, water flows along the annular space between the guide cylinder (6) and the shell (5), and vortex rotation is enhanced; due to the centrifugal separation effect, pollutants carried in the water body are accumulated near the inner wall of the shell (5) and are discharged through the slag discharge port; the water body with pollutants removed enters the guide cylinder (6) from the lower opening of the guide cylinder (6) and is discharged through the water outlet (10) of the guide cylinder (6); and the deposited pollutants are discharged through the slag discharge port below the guide cylinder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710733035 | 2017-08-24 | ||
| CN201710733035X | 2017-08-24 |
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| CN107473521B true CN107473521B (en) | 2023-09-22 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02290290A (en) * | 1989-04-27 | 1990-11-30 | Tokyo Metropolis | Magnetic solid-liquid separation of waste water |
| CN106948453A (en) * | 2017-04-17 | 2017-07-14 | 天津市水利科学研究院 | Early-stage rainwater cuts dirty facility and cuts dirty operating method |
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2017
- 2017-09-21 CN CN201710860047.9A patent/CN107473521B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02290290A (en) * | 1989-04-27 | 1990-11-30 | Tokyo Metropolis | Magnetic solid-liquid separation of waste water |
| CN106948453A (en) * | 2017-04-17 | 2017-07-14 | 天津市水利科学研究院 | Early-stage rainwater cuts dirty facility and cuts dirty operating method |
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