CN212356955U - Domestic sewage treatment system - Google Patents
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- CN212356955U CN212356955U CN202021710319.0U CN202021710319U CN212356955U CN 212356955 U CN212356955 U CN 212356955U CN 202021710319 U CN202021710319 U CN 202021710319U CN 212356955 U CN212356955 U CN 212356955U
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- 239000010865 sewage Substances 0.000 title claims abstract description 137
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- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 30
- 241000894006 Bacteria Species 0.000 claims abstract description 25
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 19
- 229910052698 phosphorus Inorganic materials 0.000 claims description 19
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- 229910002651 NO3 Inorganic materials 0.000 claims description 6
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 6
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- QGHREAKMXXNCOA-UHFFFAOYSA-N thiophanate-methyl Chemical compound COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC QGHREAKMXXNCOA-UHFFFAOYSA-N 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a domestic sewage treatment system, which comprises a sewage collecting tank, an adjusting tank and a sewage treatment tank A2The sewage is treated by a grid in a collecting tank and then flows into an adjusting tank and an A tank in sequence2The reaction tank of the reaction is passed through A2Pumping the sewage treated in the/O reaction tank into an MBR reaction component tank, removing COD, intercepting and filtering most of particulate matters and virus bacteria, and treating in the MBR reaction component tankAnd the water body enters a disinfection tank, flows into the constructed wetland discharge pool reaching the standard after disinfection treatment, and ensures that the sewage is discharged after reaching the standard. The invention can remove organic matters and a large amount of protozoic organisms in domestic sewage, has high treatment efficiency and convenient management, can arrange the whole system underground, occupies small area, can ensure more thorough sewage purification by the artificial wetland, and can beautify the environment by the planted special aquatic plants.
Description
Technical Field
The invention relates to the technical field of domestic sewage treatment systems, and particularly belongs to a domestic sewage treatment system.
Background
Domestic sewage is sewage which is used by residents in daily life and is often treated in urban sewage plants. For some community-like management organizations, such as rescue management stations, which are concerned with health and medical issues concerning the elderly and children, it is necessary to establish a separate sewage station. The main pollutants contained in the domestic sewage are organic matters and a large amount of protozoon, and if the domestic sewage is directly discharged into the external environment, the natural water body, namely rivers and lakes, in the external environment can be eutrophicated, so that the natural water body is stink, and the ecological environment is seriously influenced. Meanwhile, some bacteria and pathogens in the domestic sewage can multiply, and some infectious diseases are spread. Therefore, domestic sewage can be discharged after being treated to reach the standard. Therefore, a domestic sewage treatment system is developed to solve the domestic sewage treatment problem and realize safe discharge after reaching the standard.
Disclosure of Invention
The present invention has been made in an effort to provide a domestic sewage treatment system which solves the above-mentioned problems of the background art. Is suitable for being popularized and used in domestic sewage treatment.
The technical scheme adopted by the invention is as follows:
a domestic sewage treatment system comprises a sewage collecting tank, a regulating tank and a sewage treatment tank A2The sewage treatment system comprises an/O reaction tank, an MBR reaction component tank, a disinfection tank and an artificial wetland standard-reaching discharge tank, wherein a mechanical grid is arranged on a sewage collection tank, sewage subjected to interception treatment by the mechanical grid flows into an adjusting tank from the sewage collection tank, and sewage subjected to neutralization treatment by the adjusting tank flows into an A2In the/O reaction tank, passing through A2The anaerobic pool, the anoxic pool and the aerobic pool in the/O reaction pool carry out nitrogen and phosphorus removal and COD removal treatment on the sewage, and the sewage is treated by A2Sewage after the/O reaction tank is handled is gone into MBR reaction unit pond by the pump, gets rid of COD once more and holds back most particulate matter and virus bacterium of filtration, and the water after MBR reaction unit pond is handled gets into the disinfection pond, carries out disinfection treatment, and sewage after disinfection treatment flows into constructed wetland discharge pool up to standard and gets rid of the pollutant, and the guarantee sewage treatment discharges after up to standard.
Preferably, the mechanical grids in the sewage collecting tank consist of two groups of grids, the gaps of the two groups of grids are both 3mm, and the grids are made of stainless steel.
Preferably, install elevator pump and level gauge in the equalizing basin, the elevator pump is located the lower part outside of equalizing basin, and the end of intaking of elevator pump passes through the pipeline and is connected with the equalizing basin, and the play water end of elevator pump passes through pipeline and A2The anaerobic tank in the/O reaction tank is connected, the regulating tank can neutralize sewage and carry out homogeneous uniform treatment on the sewage, the liquid level meter can regulate the height of a water level line in the regulating tank, when a low water level line of the regulating tank is reached, the liquid level meter can instruct the lifting pump to stop working, when a high water level line of the regulating tank is reached, the liquid level meter can instruct the lifting pump to start working, the lifting pump has two lifting pumps, the two lifting pumps are one-used-one-standby, the two lifting pumps can be automatically switched through a control system, and only one lifting pump is allowed to work in normal working.
Preferably, A is2the/O reaction tank comprises three tank bodies, namely an anaerobic tank, an anoxic tank and an aerobic tank in sequence, wherein elastic fillers and a microporous aerator are arranged in the three tank bodies, an air blower is arranged on the outer side of the aerobic tank and is connected with the microporous aerator through a pipeline assembly, and A2the/O reaction tank can utilize microorganisms in the tank body to carry out nitrogen and phosphorus removal on organic matters in sewage and remove most of the organic matters, phosphorus accumulating bacteria are arranged in the anaerobic tank, dissolved organic matters in the sewage can be utilized to carry out anaerobic phosphorus release treatment, the sewage treated by the anaerobic tank and a water body at the tail end treated by the aerobic tank are mixed to form a mixed solution to enter the anoxic tank, denitrifying bacteria are arranged in the anoxic tank, denitrification can be carried out by utilizing the residual organic matters in the water body and nitrate in the backflow mixed solution, the sewage enters the aerobic tank after the denitrification reaction is finished, the nitrifying bacteria in sludge at the bottom of the anoxic tank can carry out nitration reaction to convert ammonia nitrogen in the sewage into nitrate, meanwhile, the phosphorus accumulating bacteria in the anaerobic tank can carry out aerobic phosphorus absorption reaction, and then the residual organic matters in the sewage can be oxidized by the aerobic bacteria in the aerobic tank again, the sewage is in an anaerobic tank and an anoxic tankThe residence time is 1.8h, and the residence time of the sewage in the aerobic tank is 5 h.
Preferably, the MBR reaction component tank is provided with a steel tank body, a microporous aerator and an MBR membrane component are arranged in the steel tank body, a water inlet pump, a back flush pump and a reflux pump are arranged on the outer side of the steel tank body, and the water inlet end of the water inlet pump is connected with the A through a pipeline component2The water outlet end of the/O reaction tank is connected, the water outlet end of the water inlet pump is connected with the steel tank body through a pipeline assembly, the micro-pore aerator is installed in an area close to the bottom of the tank in the steel tank body, the micro-pore aerator is connected with an air blower through a pipeline assembly, the MBR membrane assembly is installed in an area on the upper part of the steel tank body, the water inlet end of the back flush pump is connected with a water body sterilized by an ultraviolet sterilizer through a pipeline assembly, the water outlet end of the back flush pump is connected with the MBR membrane assembly through a pipeline assembly, the water inlet end of the reflux pump is connected with the water body processed by the MBR reaction assembly tank through a pipeline assembly, and the water outlet end2The anaerobic tank in the/O reaction tank is connected, the MBR membrane module can intercept and filter most of particulate matters and virus bacteria in the sewage, can ensure that the aerobic sludge concentration of the inner side of the steel tank body is high, the pollutant removal efficiency is high, and the whole sewage treatment effect of the MBR reaction module tank is enhanced.
Preferably, the disinfection tank is provided with a steel tank body, an ultraviolet sterilizer is arranged in the steel tank body, the ultraviolet sterilizer can remove virus and bacteria in the sewage by using ultraviolet light, the disinfection time of the ultraviolet sterilizer in the disinfection tank is 1h, and the amount of the treated sewage is 5 cubic meters per hour.
Preferably, constructed wetland discharge tank up to standard has cell body, filler and vegetation, and the cell body is the steel, and the inside filler that is covered with of cell body plants vegetation above the filler, the filler is special ecological filter material, and the filler from the top down is soil covering layer, ceramic sand rate bed of material, cobble layer in proper order, the vegetation is special aquatic plant, and special aquatic plant can be reed, cattail, canna, and constructed wetland discharge tank up to standard can the advanced treatment process MBR reaction component pond disinfection pond handle the back, and the pollutant in the tail water is further got rid of to the tail water of inflow, guarantees that the full index of tail water accords with the emission requirement after up to standard.
Compared with the prior art, the invention has the following beneficial effects:
through a sewage collecting tank, an adjusting tank A2The integral optimization design of the/O reaction tank, the MBR reaction component tank, the disinfection tank and the constructed wetland discharge tank which reaches the standard is manufactured into the thiophanate-methyl wastewater treatment system, so that main pollutants, organic matters and a large amount of protozoic organisms in domestic sewage can be removed, and some bacteria and pathogens can be propagated in a large quantity, the problem of domestic sewage treatment in the background technology is solved, and the safe discharge after reaching the standard is realized.
The invention can remove organic matters and a large amount of protozoic organisms in domestic sewage, has high treatment efficiency and convenient management, can arrange the whole system underground, occupies small area, can ensure more thorough sewage purification by the artificial wetland, and can beautify the environment by the planted special aquatic plants.
Drawings
FIG. 1 is a schematic overall flow chart of the system of the present invention;
FIG. 2 is a schematic diagram of the sludge water reflux between the MBR reaction unit tank and the A2/O reaction tank in the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described below with specific embodiments, and the technical solutions in the embodiments of the present invention are clearly and completely described. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to specific embodiments.
A domestic sewage treatment system comprises a sewage collecting tank, a regulating tank and a sewage treatment tank A2The sewage treatment system comprises an/O reaction tank, an MBR reaction component tank, a disinfection tank and an artificial wetland standard-reaching discharge tank, wherein a mechanical grid is arranged on a sewage collection tank, and the sewage passes through a machineThe sewage after the treatment is intercepted by the mechanical grating, flows into the regulating tank from the sewage collecting tank, and flows into the sewage A after the neutralization treatment through the regulating tank2In the/O reaction tank, passing through A2The anaerobic pool, the anoxic pool and the aerobic pool in the/O reaction pool carry out nitrogen and phosphorus removal and COD removal treatment on the sewage, and the sewage is treated by A2Sewage after the/O reaction tank is handled is gone into MBR reaction unit pond by the pump, gets rid of COD once more and holds back most particulate matter and virus bacterium of filtration, and the water after MBR reaction unit pond is handled gets into the disinfection pond, carries out disinfection treatment, and sewage after disinfection treatment flows into constructed wetland discharge pool up to standard and gets rid of the pollutant, and the guarantee sewage treatment discharges after up to standard.
Preferably, the mechanical grids in the sewage collecting tank consist of two groups of grids, the gaps of the two groups of grids are both 3mm, and the grids are made of stainless steel.
Preferably, install elevator pump and level gauge in the equalizing basin, the elevator pump is located the lower part outside of equalizing basin, and the end of intaking of elevator pump passes through the pipeline and is connected with the equalizing basin, and the play water end of elevator pump passes through pipeline and A2The anaerobic tank in the/O reaction tank is connected, the regulating tank can neutralize sewage and carry out homogeneous uniform treatment on the sewage, the liquid level meter can regulate the height of a water level line in the regulating tank, when a low water level line of the regulating tank is reached, the liquid level meter can instruct the lifting pump to stop working, when a high water level line of the regulating tank is reached, the liquid level meter can instruct the lifting pump to start working, the lifting pump has two lifting pumps, the two lifting pumps are one-used-one-standby, the two lifting pumps can be automatically switched through a control system, and only one lifting pump is allowed to work in normal working.
Preferably, A is2the/O reaction tank comprises three tank bodies, namely an anaerobic tank, an anoxic tank and an aerobic tank in sequence, wherein elastic fillers and a microporous aerator are arranged in the three tank bodies, an air blower is arranged on the outer side of the aerobic tank and is connected with the microporous aerator through a pipeline assembly, and A2the/O reaction tank can utilize microorganisms in the tank body to carry out nitrogen and phosphorus removal on organic matters in the sewage and remove most of the organic matters, the anaerobic tank is provided with phosphorus accumulating bacteria and can utilize the dissolved state in the sewageThe method comprises the following steps that organic matters are subjected to anaerobic phosphorus release treatment, sewage treated by an anaerobic tank and a water body at the tail end treated by an aerobic tank are mixed to form a mixed liquid which enters an anoxic tank, denitrifying bacteria are arranged in the anoxic tank, denitrification can be performed by using the residual organic matters in the water body and nitrate in a backflow mixed liquid, the mixed liquid enters the aerobic tank after denitrification reaction is completed, nitrifying bacteria in sludge at the bottom of the anoxic tank can perform nitration reaction to convert ammonia nitrogen in the sewage into nitrate, meanwhile, phosphorus accumulating bacteria in the anaerobic tank can perform aerobic phosphorus absorption reaction, then, the residual organic matters in the sewage can be oxidized by the aerobic bacteria in the aerobic tank again, the residence time of the sewage in the anaerobic tank and the residence time of the sewage in the anoxic tank are both 1.8h, and the residence time of the sewage in the aerobic tank is 5 h.
Preferably, the MBR reaction component tank is provided with a steel tank body, a microporous aerator and an MBR membrane component are arranged in the steel tank body, a water inlet pump, a back flush pump and a reflux pump are arranged on the outer side of the steel tank body, and the water inlet end of the water inlet pump is connected with the A through a pipeline component2The water outlet end of the/O reaction tank is connected, the water outlet end of the water inlet pump is connected with the steel tank body through a pipeline assembly, the micro-pore aerator is installed in an area close to the bottom of the tank in the steel tank body, the micro-pore aerator is connected with an air blower through a pipeline assembly, the MBR membrane assembly is installed in an area on the upper part of the steel tank body, the water inlet end of the back flush pump is connected with a water body sterilized by an ultraviolet sterilizer through a pipeline assembly, the water outlet end of the back flush pump is connected with the MBR membrane assembly through a pipeline assembly, the water inlet end of the reflux pump is connected with the water body processed by the MBR reaction assembly tank through a pipeline assembly, and the water outlet end2The anaerobic tank in the/O reaction tank is connected, the MBR membrane module can intercept and filter most of particulate matters and virus bacteria in the sewage, can ensure that the aerobic sludge concentration of the inner side of the steel tank body is high, the pollutant removal efficiency is high, and the whole sewage treatment effect of the MBR reaction module tank is enhanced.
Preferably, the disinfection tank is provided with a steel tank body, an ultraviolet sterilizer is arranged in the steel tank body, the ultraviolet sterilizer can remove virus and bacteria in the sewage by using ultraviolet light, the disinfection time of the ultraviolet sterilizer in the disinfection tank is 1h, and the amount of the treated sewage is 5 cubic meters per hour.
Preferably, constructed wetland discharge tank up to standard has cell body, filler and vegetation, and the cell body is the steel, and the inside filler that is covered with of cell body plants vegetation above the filler, the filler is special ecological filter material, and the filler from the top down is soil covering layer, ceramic sand rate bed of material, cobble layer in proper order, the vegetation is special aquatic plant, and special aquatic plant can be reed, cattail, canna, and constructed wetland discharge tank up to standard can the advanced treatment process MBR reaction component pond disinfection pond handle the back, and the pollutant in the tail water is further got rid of to the tail water of inflow, guarantees that the full index of tail water accords with the emission requirement after up to standard.
The invention will be described more fully and clearly in connection with fig. 1 and 2, in which:
the sewage flows through two groups of mechanical gratings on the sewage collecting tank to intercept and remove larger solids in the sewage, the sewage subjected to interception treatment by the mechanical gratings on the sewage collecting tank flows into the regulating tank, the regulating tank can neutralize the sewage and perform homogeneous and uniform treatment on the sewage, and the sewage is subjected to the homogeneous and uniform treatment in the regulating tank;
sewage enters A through a lift pump in the regulating reservoir2In the/O reaction tank, sewage is subjected to nitrogen and phosphorus removal and chemical oxygen demand COD removal treatment through an anaerobic tank, an anoxic tank and an aerobic tank;
the sewage passes through A2After the treatment in the/O reaction tank, pumping the wastewater into an MBR reaction component tank, further removing Chemical Oxygen Demand (COD) and intercepting and filtering most of particulate matters and virus bacteria;
after being treated by an MBR reaction component tank, the wastewater enters a disinfection tank and is disinfected by an ultraviolet sterilizer; meanwhile, the water body disinfected by the ultraviolet sterilizer in the disinfection tank can provide a water source for backwashing of an MBR membrane assembly in the MBR reaction assembly tank;
and the disinfected sewage enters an artificial wetland standard-reaching discharge tank to further remove pollutants, so that the sewage treatment standard-reaching discharge is guaranteed.
According to the system disposal process in the invention, in the actual embodiment treatment, the treatment process comprises the following steps:
the regulating tank is of a reinforced concrete structure A2the/O reaction tank and the MBR reaction component tank can be steel-made integrated sewage treatment devices; the whole system can realize automatic control work through an automatic control system device; the regulating reservoir is provided with a liquid level meter, the liquid level meter can regulate the height of a water level line in the regulating reservoir, when the low water level line of the regulating reservoir is reached, the liquid level meter can instruct the lifting pump to stop working, when the high water level line of the regulating reservoir is reached, the liquid level meter can instruct the lifting pump to start working, the lifting pumps are two, one lifting pump is used, the other lifting pump is standby, the two lifting pumps can be automatically switched through a control system device, and only one lifting pump is allowed to work in normal working;
a reflux pump and a back flush pump are arranged at the outer side of the MBR reaction component tank, the reflux pump and A2An anaerobic tank in the/O reaction tank is connected through a pipeline assembly, and a back flushing pump can clean an MBR membrane assembly in the MBR reaction assembly tank to ensure the normal work of the MBR reaction assembly tank;
the cell body of constructed wetland discharge tank up to standard is the steel structure, and the inside filler that is covered with of cell body, the vegetation plant of planting above the filler, and the filler from the top down is earthing layer, ceramic sand rate bed of material, cobble layer in proper order, and the vegetation plant is special aquatic plant, and special aquatic plant can be reed, cattail, canna, and these special aquatic plant advantages of reed, cattail, canna are: the system can ensure that the system fully utilizes the biological film growing on the surface of the filler, rich root systems and the interception function of the filler, and has high treatment efficiency; the constructed wetland discharge tank up to standard can the advanced treatment process MBR reaction assembly pond disinfection pond handle the back, and the pollutant in the tail water is further got rid of to the tail water that flows in, guarantees that the full index of tail water accords with the emission requirement after up to standard.
The invention can remove organic matters and a large amount of protozoic organisms in domestic sewage, has high treatment efficiency and convenient management, can be arranged underground, has small occupied area, ensures the treated domestic sewage to reach the standard, can purify the sewage more deeply, ensures the sewage to be purified more thoroughly by the artificial wetland, and simultaneously beautifies the environment by the special aquatic plants planted.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (7)
1. A domestic sewage treatment system is characterized by comprising a sewage collecting tank, a regulating tank and a sewage treatment tank A2The sewage treatment system comprises an/O reaction tank, an MBR reaction component tank, a disinfection tank and an artificial wetland standard-reaching discharge tank, wherein a mechanical grid is arranged on a sewage collection tank, sewage subjected to interception treatment by the mechanical grid flows into an adjusting tank from the sewage collection tank, and sewage subjected to neutralization treatment by the adjusting tank flows into an A2In the/O reaction tank, passing through A2The anaerobic pool, the anoxic pool and the aerobic pool in the/O reaction pool carry out nitrogen and phosphorus removal and COD removal treatment on the sewage, and the sewage is treated by A2Sewage after the/O reaction tank is handled is gone into MBR reaction unit pond by the pump, gets rid of COD once more and holds back most particulate matter and virus bacterium of filtration, and the water after MBR reaction unit pond is handled gets into the disinfection pond, carries out disinfection treatment, and sewage after disinfection treatment flows into constructed wetland discharge pool up to standard and gets rid of the pollutant, and the guarantee sewage treatment discharges after up to standard.
2. The domestic sewage treatment system of claim 1 wherein the mechanical grates in the sewage collection basin are comprised of two sets of grates, wherein the gaps between the two sets of grates are 3mm, and the grates are made of stainless steel.
3. The domestic sewage treatment system of claim 1, wherein a lift pump and a level gauge are installed in the regulating reservoir, the lift pump is located outside the lower portion of the regulating reservoir, the water inlet end of the lift pump is connected with the regulating reservoir through a pipeline, and the water outlet end of the lift pump is connected with A through a pipeline2The anaerobic tank in the/O reaction tank is connected, the regulating tank can neutralize sewage and carry out homogeneous and uniform treatment on the sewage, and the liquid levelThe water level line height in the equalizing basin can be adjusted to the meter, and when reaching the low water level line of equalizing basin, the level gauge can command control elevator pump stop work, and when reaching the high water level line of equalizing basin, the level gauge can command control elevator pump start-up work, the elevator pump has two, and two elevator pumps are one-for-one and equipped with, can be through control system automatic switch-over between two elevator pumps, and normal work is only to allow an elevator pump work.
4. The sewage treatment system of claim 1, wherein A is the same as A2the/O reaction tank comprises three tank bodies, namely an anaerobic tank, an anoxic tank and an aerobic tank in sequence, wherein elastic fillers and a microporous aerator are arranged in the three tank bodies, an air blower is arranged on the outer side of the aerobic tank and is connected with the microporous aerator through a pipeline assembly, and A2the/O reaction tank can utilize microorganisms in the tank body to carry out nitrogen and phosphorus removal on organic matters in sewage and remove most of the organic matters, phosphorus accumulating bacteria are arranged in the anaerobic tank, dissolved organic matters in the sewage can be utilized to carry out anaerobic phosphorus release treatment, the sewage treated by the anaerobic tank and a water body at the tail end treated by the aerobic tank are mixed to form a mixed solution to enter the anoxic tank, denitrifying bacteria are arranged in the anoxic tank, denitrification can be carried out by utilizing the residual organic matters in the water body and nitrate in the backflow mixed solution, the sewage enters the aerobic tank after the denitrification reaction is finished, the nitrifying bacteria in sludge at the bottom of the anoxic tank can carry out nitration reaction to convert ammonia nitrogen in the sewage into nitrate, meanwhile, the phosphorus accumulating bacteria in the anaerobic tank can carry out aerobic phosphorus absorption reaction, and then the residual organic matters in the sewage can be oxidized by the aerobic bacteria in the aerobic tank again, the residence time of the sewage in the anaerobic tank and the anoxic tank is 1.8h, and the residence time of the sewage in the aerobic tank is 5 h.
5. The domestic sewage treatment system of claim 1, wherein the MBR reaction component tank has a steel tank body, a micro-pore aerator and an MBR membrane component are arranged in the steel tank body, a water inlet pump, a back flush pump and a reflux pump are arranged outside the steel tank body, and the water inlet pump, the back flush pump and the reflux pump are arranged outside the steel tank bodyThe water inlet end of the water pump passes through the pipeline component and A2The water outlet end of the/O reaction tank is connected, the water outlet end of the water inlet pump is connected with the steel tank body through a pipeline assembly, the micro-pore aerator is installed in an area close to the bottom of the tank in the steel tank body, the micro-pore aerator is connected with an air blower through a pipeline assembly, the MBR membrane assembly is installed in an area on the upper part of the steel tank body, the water inlet end of the back flush pump is connected with a water body sterilized by an ultraviolet sterilizer through a pipeline assembly, the water outlet end of the back flush pump is connected with the MBR membrane assembly through a pipeline assembly, the water inlet end of the reflux pump is connected with the water body processed by the MBR reaction assembly tank through a pipeline assembly, and the water outlet end2The anaerobic tank in the/O reaction tank is connected, the MBR membrane module can intercept and filter most of particulate matters and virus bacteria in the sewage, can ensure that the aerobic sludge concentration of the inner side of the steel tank body is high, the pollutant removal efficiency is high, and the whole sewage treatment effect of the MBR reaction module tank is enhanced.
6. The domestic sewage treatment system according to claim 1, wherein said disinfection tank has a steel tank body, an ultraviolet sterilizer is installed inside the steel tank body, the ultraviolet sterilizer can remove virus and bacteria in the sewage by using ultraviolet light, the disinfection time of the ultraviolet sterilizer in the disinfection tank is 1h, and the amount of the treated sewage is 5 cubic per hour.
7. The domestic sewage treatment system of claim 1, characterized in that constructed wetland discharge pond up to standard has cell body, filler and vegetation plant, and the cell body is the steel, and the inside filler that is covered with of cell body, the installation above the filler is planted and is had the vegetation plant, the filler is special ecological filter material, and the filler from the top down is soil covering layer, ceramic sand rate bed of material, cobble layer in proper order, the vegetation plant is special aquatic plant, and special aquatic plant can be reed, cattail, canna, and constructed wetland discharge pond up to standard can advanced treatment process the back through MBR reaction component pond disinfection pond, and the pollutant in the tail water is further got rid of to the tail water of inflow, guarantees that the full index of tail water accords with the emission requirement after up to standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021710319.0U CN212356955U (en) | 2020-08-17 | 2020-08-17 | Domestic sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021710319.0U CN212356955U (en) | 2020-08-17 | 2020-08-17 | Domestic sewage treatment system |
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| CN111847804A (en) * | 2020-08-17 | 2020-10-30 | 安徽皖欣环境工程有限公司 | Domestic sewage treatment system |
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