CN217677197U - Self-powered distributed sewage treatment device - Google Patents

Self-powered distributed sewage treatment device Download PDF

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Publication number
CN217677197U
CN217677197U CN202221097395.8U CN202221097395U CN217677197U CN 217677197 U CN217677197 U CN 217677197U CN 202221097395 U CN202221097395 U CN 202221097395U CN 217677197 U CN217677197 U CN 217677197U
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tank
self
pond
pipeline
clean water
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陈北洋
张波
付岩峰
杨再威
梁宇
康瑞
郭书航
侯雨佳
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Huadian Water Technology Co ltd
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Huadian Water Technology Co ltd
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Abstract

The utility model discloses a self-powered distributed sewage treatment device, which comprises an adjusting tank, an anoxic tank, an aerobic tank and a clean water tank, wherein the adjusting tank is connected with the anoxic tank through a pipeline, a polymer oxygen permeable membrane is arranged in the anoxic tank, a membrane biological reaction tank is arranged in the aerobic tank, and the membrane biological reaction tank is connected with the clean water tank through a pipeline; the device adopts the macromolecule oxygen permeable membrane for aeration, so that the denitrification treatment efficiency is improved; the membrane aeration plant ecological floating island in the clean water tank further improves the water quality; the self-powered system in the device enables the application scene to be flexible, reduces the dependence on the commercial power, and saves the power cost of the sewage treatment system.

Description

Self-powered distributed sewage treatment device
Technical Field
The utility model relates to a sewage treatment technical field, concretely relates to self-power distributed sewage treatment plant.
Background
The distributed sewage treatment device is suitable for areas which are far away from a main sewage collection pipe network of a city, have difficult construction of the sewage collection pipe network and have high construction cost, such as scattered residential areas around villages and towns, residential areas around water source areas, tourist areas, small residential areas with complex terrains and the like, and can realize the on-site collection, on-site treatment and on-site standard discharge of domestic sewage, thereby effectively controlling the point source pollution of a water environment; the stable pond occupies a large area, and needs electric aeration, so that potential safety hazards to people and poultry exist on the open water surface; the existing anoxic/aerobic and anaerobic/anoxic/aerobic biochemical treatment integrated equipment generally needs external power utilization and cannot work when power is not supplied or power is required to be cut off in maintenance of a nearby power grid.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self-powered distributed sewage treatment device, which adopts a high molecular oxygen permeable membrane to carry out aeration, thus improving the denitrification treatment efficiency; the membrane aeration plant ecological floating island in the clean water tank further improves the water quality; the self-powered system enables the application scene to be flexible, reduces the dependence on the commercial power and saves the power cost of the sewage treatment system.
In order to solve the technical problem, the utility model discloses a following technical scheme: the utility model provides a self-power distributed sewage treatment plant, includes equalizing basin, oxygen deficiency pond, good oxygen pond and clean water basin, the equalizing basin pipe connection oxygen deficiency pond is equipped with the oxygen permeation membrane of polymer in the oxygen deficiency pond, is provided with membrane biological reaction pond in the good oxygen pond, and membrane biological reaction pond pipe connection clean water basin still includes from the power supply system.
The self-powered system comprises an aluminum air battery, a photovoltaic assembly, a junction box, a string type inverter, an isolation transformer and a power supply system of the device, wherein the aluminum air battery and the photovoltaic assembly are connected to the junction box, the junction box is connected with the string type inverter, the string type inverter is connected with the isolation transformer, and the isolation transformer is connected with the power supply system of the device.
The self-powered distributed sewage treatment device further comprises an air blower, wherein the air blower is connected to the anoxic pond through an air blower pipeline, the air blower is connected to the aerobic pond through an air blower pipeline, the air blower is connected to the membrane biological reaction pond through an air blower pipeline, and the air blower is connected to the clean water pond through an air blower pipeline.
The self-powered distributed sewage treatment device further comprises a polymeric aluminum chloride dosing tank, wherein the polymeric aluminum chloride dosing tank is connected with the anoxic tank through a pipeline, and a dosing pump is arranged on the pipeline between the polymeric aluminum chloride dosing tank and the anoxic tank.
A lifting pump is arranged in the regulating reservoir, and a water inlet electric valve is arranged on a pipeline between the regulating reservoir and the anoxic reservoir.
A return pipeline is arranged between the aerobic tank and the anoxic tank, a return pump is arranged on the return pipeline, and a sewage level meter is arranged in the aerobic tank.
The pipeline between the membrane biological reaction tank and the clean water tank is provided with a water production electric valve, a water production pump and a water production flow meter.
A backwashing pipeline is arranged between the membrane biological reaction tank and the clean water tank, a backwashing water pump, a backwashing water flowmeter and a backwashing electric valve are sequentially arranged on the backwashing pipeline, the backwashing water pump is arranged at one end close to the clean water tank, and the water outlet end of the backwashing pipeline is connected with a pipe section between the water production electric valve and the membrane biological reaction tank.
The clean water tank is internally provided with a membrane aeration plant ecological floating island and a clean water level meter, and the upper part of the clean water tank is provided with a water outlet pipe.
Compared with the prior art, the utility model adopts the macromolecule oxygen permeable membrane to aerate, can control the dissolved oxygen of the anoxic section at a lower level, generates obvious difference with the dissolved oxygen level of the aerobic section, and improves the denitrification treatment efficiency; the membrane aeration plant ecological floating island at the tail end of the device can fully utilize the residual oxygen of the blast aeration system, further improve the water quality and meet the recycling requirement; on the basis of fully utilizing renewable energy sources such as light energy and the like, a high-specific-energy and high-safety water-based aluminum-air battery is additionally arranged, the power utilization requirement of equipment is met, the reliability of the system is improved, the application scene is flexible, the dependence of the system on mains supply is reduced, the adjustment is carried out by combining the fluctuation of the mains supply price and the photovoltaic power generation condition, and the power cost of a sewage treatment system can be saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a flow chart of sewage treatment according to the present invention;
fig. 3 is a schematic structural diagram of a self-powered system according to the present invention;
FIG. 4 is a comparison diagram of the membrane biological aeration of the present invention and the aeration principle of the traditional mode;
fig. 5 is a schematic diagram of the principle of the membrane aeration plant ecological floating island of the utility model.
Reference numerals: 1-regulating tank, 2-anoxic tank, 3-aerobic tank, 4-membrane biological reaction tank, 5-clean water tank, 6-high molecular oxygen permeable membrane, 7-blower, 8-polyaluminium chloride dosing tank, 9-membrane aeration plant ecological floating island, 10-lift pump, 11-reflux pump, 12-water production pump, 13-backwashing water pump, 14-water inlet electric valve, 15-dosing pump, 16-water production electric valve, 17-backwashing electric valve, 18-backwashing water flowmeter, 19-water production flowmeter, 20-sewage liquid level meter, 21-clean water liquid level meter, 22-water outlet pipe, 23-self-powered system, 24-aluminum air cell, 25-photovoltaic module, 26-header box, 27-string inverter, 28-isolation transformer, 29-power supply system of the device, 30-reflux pipeline, 31-backwashing pipeline.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
Embodiment 1 of the utility model: a self-powered distributed sewage treatment device comprises an adjusting tank 1, an anoxic tank 2, an aerobic tank 3 and a clean water tank 5, wherein the adjusting tank 1 is connected with the anoxic tank 2 through a pipeline, a high-molecular oxygen permeable membrane 6 is arranged in the anoxic tank 2, a membrane biological reaction tank 4 is arranged in the aerobic tank 3, and the membrane biological reaction tank 4 is connected with the clean water tank 5 through a pipeline; the device adopts the polymer oxygen permeable membrane 6 for aeration, can control the dissolved oxygen of an anoxic section at a lower level, generates obvious difference with the dissolved oxygen level of an aerobic section, improves the denitrification treatment efficiency, and the principle comparison of the polymer oxygen permeable membrane 6 and the traditional biomembrane is shown in figure 4.
Embodiment 2 of the utility model: a self-powered distributed sewage treatment device comprises an adjusting tank 1, an oxygen-poor tank 2, an aerobic tank 3 and a clean water tank 5, wherein a pipeline of the adjusting tank 1 is connected with the oxygen-poor tank 2, a polymer oxygen-permeable membrane 6 is arranged in the oxygen-poor tank 2, a membrane biological reaction tank 4 is arranged in the aerobic tank 3, the membrane biological reaction tank 4 is connected with the clean water tank 5, the self-powered system 23 comprises an aluminum air battery 24, a photovoltaic module 25, a confluence box 26, a string type inverter 27, an isolation transformer 28 and a power supply system 29 of the device, the aluminum air battery 24 and the photovoltaic module 25 are both connected with the confluence box 26, the confluence box 26 is connected with the string type inverter 27, the string type inverter 27 is connected with the isolation transformer 28, and the isolation transformer 28 is connected with the power supply system 29 of the device; on the basis of fully utilizing renewable energy sources such as light energy and the like, the device is additionally provided with the high-specific-energy and high-safety water system aluminum-air battery, so that the power utilization requirement of equipment is met, the reliability of the system is improved, the application scene is flexible, the dependence of the device on the commercial power is reduced, the power cost of the sewage treatment system can be saved by combining the commercial power price fluctuation and the photovoltaic power generation condition for adjustment, and the long-period maintenance-free stable operation exceeds 200h.
Embodiment 3 of the utility model: the utility model provides a self-power distributed sewage treatment plant, includes equalizing basin 1, oxygen deficiency pond 2, good oxygen pond 3 and clean water basin 5, 1 pipe connection oxygen deficiency pond 2 of equalizing basin, is equipped with polymer oxygen permeation membrane 6 in the oxygen deficiency pond 2, is provided with membrane biological reaction pond 4 in the good oxygen pond 3, and 4 pipe connection clean water basins 5 of membrane biological reaction pond still include from power supply system 23, and self-power supply system 23 includes aluminium empty battery 24, photovoltaic module 25, collection flow box 26, cluster inverter 27, isolation transformer 28 and this device power supply system 29, aluminium empty battery 24 and photovoltaic module 25 all connect in collection flow box 26, and collection flow box 26 connects cluster inverter 27, and cluster inverter 27 connects isolation transformer 28, and isolation transformer 28 connects this device power supply system air-blower 29, still includes air-blower 7, 7 pipe connection in oxygen deficiency pond 2, and air-blower 7 pipe connection is in good oxygen pond 3, and air-blower 7 pipe connection is in membrane biological reaction pond 4, and air-blower 7 pipe connection is in clean water basins 5.
Embodiment 4 of the utility model: the utility model provides a self-power distributed sewage treatment plant, includes equalizing basin 1, oxygen deficiency pond 2, good oxygen pond 3 and clean water basin 5, 1 pipe connection oxygen deficiency pond 2 of equalizing basin, is equipped with polymer oxygen permeation membrane 6 in the oxygen deficiency pond 2, is provided with membrane biological reaction pond 4 in the good oxygen pond 3, and 4 pipe connection clean water basins 5 of membrane biological reaction pond still include from power supply system 23, and self-power supply system 23 includes aluminium empty battery 24, photovoltaic module 25, collection flow box 26, cluster inverter 27, isolation transformer 28 and this device power supply system 29, aluminium empty battery 24 and photovoltaic module 25 all connect in collection flow box 26, and collection flow box 26 connects cluster inverter 27, and cluster inverter 27 connects isolation transformer 28, and isolation transformer 28 connects this device power supply system air-blower 29, still includes air-blower 7, 7 pipe connection in oxygen deficiency pond 2, and 7 pipe connection of air-blower 3, and 7 pipe connection in good oxygen pond 4, and air-blower 7 pipe connection in clean water basin 5 still include polyaluminium chloride dosing tank 8, 8 pipe connection drug dosing tank 2 is provided with the membrane biological dosing pump 15 on the oxygen deficiency pond between 8 and the oxygen deficiency aluminium polychloride dosing tank.
Embodiment 5 of the utility model: the utility model provides a self-power distributed sewage treatment plant, includes equalizing basin 1, oxygen deficiency pond 2, good oxygen pond 3 and clean water basin 5, 1 pipe connection oxygen deficiency pond 2 of equalizing basin, is provided with elevator pump 10 in the equalizing basin 1, is provided with into water motorised valve 14 on the pipeline between equalizing basin 1 and the oxygen deficiency pond 2, is equipped with polymer oxygen permeable membrane 6 in the oxygen deficiency pond 2, is provided with membrane biological reaction pond 4 in the good oxygen pond 3, 4 pipe connection clean water basins 5 of membrane biological reaction pond, still includes from power supply system 23, self-power supply system 23 includes aluminium air cell 24, photovoltaic module 25, collection flow box 26, group string formula inverter 27, isolation transformer 28 and this device power supply system 29, aluminium air cell 24 and photovoltaic module 25 all connect in collection flow box 26, collection flow box 26 connects group string formula inverter 27, group string formula inverter 27 connects isolation transformer 28, isolation transformer 28 connects this device power supply system 29, still includes air-blower 7, air-blower 7 pipe connection is in oxygen deficiency pond 2, 7 pipe connection is in good oxygen deficiency pond 3, 7 pipe connection is in membrane biological reaction pond 4 in air-blower 7 pipe connection in the clean water basin 5, still includes polymerized aluminium chloride chemical tank 8, polymerized chemical tank is polymerized with polymerized chemical tank 2, polymerized aluminium chemical tank is polymerized chemical tank is connected with the oxygen added.
Embodiment 6 of the utility model: a self-powered distributed sewage treatment device comprises an adjusting tank 1, an anoxic tank 2, an aerobic tank 3 and a clean water tank 5, wherein the adjusting tank 1 is connected with the anoxic tank 2 through a pipeline, a lifting pump 10 is arranged in the adjusting tank 1, a water inlet electric valve 14 is arranged on the pipeline between the adjusting tank 1 and the anoxic tank 2, a polymer oxygen permeable membrane 6 is arranged in the anoxic tank 2, a return pipeline 30 is arranged between the aerobic tank 3 and the anoxic tank 2, a return pump 11 is arranged on the return pipeline 30, a membrane biological reaction tank 4 and a sewage liquid level meter 20 are arranged in the aerobic tank 3, the membrane biological reaction tank 4 is connected with the clean water tank 5 through a pipeline, a self-powered system 23 is further included, the self-powered system 23 comprises an aluminum air battery 24, a photovoltaic module 25, a confluence box 26, a string type inverter 27, an isolation transformer 28 and a power supply system 29 of the device, aluminium-air battery 24 and photovoltaic module 25 all connect in collection flow box 26, and collection flow box 26 connects group string formula dc-to-ac converter 27, and isolation transformer 28 is connected to group string formula dc-to-ac converter 27, and isolation transformer 28 connects this device power supply system 29, still includes air-blower 7, and 7 pipe connection of air-blower are in oxygen deficiency pond 2, and 7 pipe connection of air-blower is in good oxygen pond 3, and 7 pipe connection of air-blower are in membrane biological reaction pond 4, and 7 pipe connection of air-blower is in clean water basin 5, still includes polymeric aluminum chloride dosing tank 8, 8 pipe connection oxygen deficiency ponds 2 of polymeric aluminum chloride dosing tank, are provided with dosing pump 15 on the pipeline section between polymeric aluminum chloride dosing tank 8 and the oxygen deficiency pond 2.
Embodiment 7 of the utility model: the utility model provides a self-power distributed sewage treatment plant, includes equalizing basin 1, oxygen deficiency pond 2, good oxygen pond 3 and clean water basin 5, 1 pipe connection oxygen deficiency pond 2 of equalizing basin, is provided with elevator pump 10 in the equalizing basin 1, is provided with into water motorised valve 14 on the pipeline between equalizing basin 1 and the oxygen deficiency pond 2, is equipped with polymer oxygen permeation membrane 6 in the oxygen deficiency pond 2, is provided with backflow pipeline 30 between good oxygen pond 3 and the oxygen deficiency pond 2, is provided with backwash pump 11 on the backflow pipeline 30, is provided with membrane biological reaction pond 4 and sewage liquid level meter 20 in the good oxygen pond 3, 4 pipe connection clean water basins in membrane biological reaction pond 5, still includes self-power supply system 23, self-power supply system 23 includes aluminium air cell 24, photovoltaic module 25, collection flow box 26, membrane group formula inverter 27, isolation transformer 28 and this device power supply system 29, still include air-blower 7, 7 pipe connection in oxygen deficiency pond 2, 7 is connected in oxygen deficiency pond 3, 7 is connected in good oxygen deficiency pond 3, and is equipped with aluminium chloride flow meter 16 on the membrane biological reaction pond, is connected with the water chlorination tank 16 on the air-oxygen deficiency pond, the aluminium chloride chemical reaction pond, still includes aluminium chloride chemical reaction tank 2, the aluminium biological reaction tank 16, the aluminium biological reaction tank is connected to the aluminium membrane biological reaction tank.
Embodiment 8 of the utility model: a self-powered distributed sewage treatment device comprises an adjusting tank 1, an anoxic tank 2, an aerobic tank 3 and a clean water tank 5, wherein the adjusting tank 1 is connected with the anoxic tank 2 through a pipeline, a lifting pump 10 is arranged in the adjusting tank 1, a water inlet electric valve 14 is arranged on the pipeline between the adjusting tank 1 and the anoxic tank 2, a polymer oxygen permeable membrane 6 is arranged in the anoxic tank 2, a backflow pipeline 30 is arranged between the aerobic tank 3 and the anoxic tank 2, a backflow pump 11 is arranged on the backflow pipeline 30, a membrane biological reaction tank 4 and a sewage liquid level meter 20 are arranged in the aerobic tank 3, the membrane biological reaction tank 4 is connected with the clean water tank 5 through a pipeline, a backwashing pipeline 31 is arranged between the membrane biological reaction tank 4 and the clean water tank 5, a backwashing water pump 12, a backwashing water flow meter 18 and a backwashing electric valve 17 are sequentially arranged on the backwashing pipeline 31, the backwashing water pump 12 is arranged at one end close to the clean water tank 5, the water outlet end of the backwashing pipeline 31 is connected with a membrane biological reaction tank 16 and the electric valve 4, the device also comprises a self-power supply system 23, wherein the self-power supply system 23 comprises an aluminum air battery 24, a photovoltaic module 25, a confluence box 26, a group string type inverter 27, an isolation transformer 28 and a power supply system 29 of the device, the aluminum air battery 24 and the photovoltaic module 25 are both connected to the confluence box 26, the confluence box 26 is connected with the group string type inverter 27, the group string type inverter 27 is connected with the isolation transformer 28, the isolation transformer 28 is connected with the power supply system 29 of the device, the device also comprises a blower 7, the blower 7 is connected to the anoxic tank 2 through a pipeline, the blower 7 is connected to the aerobic tank 3 through a pipeline, the blower 7 is connected to the membrane biological reaction tank 4 through a pipeline, the blower 7 is connected to the clean water tank 5 through a pipeline, the polyaluminium chloride dosing tank 8 is further comprised, the polyaluminium chloride dosing tank 8 is connected to the anoxic tank 2 through a pipeline, a dosing pump 15 is arranged on a pipe section between the polyaluminium chloride dosing tank 8 and the anoxic tank 2, and a water production electric valve 16, a water production pump 12 and a water production flow meter 19 are arranged on a pipeline between the membrane biological reaction tank 4 and the clean water tank 5.
Embodiment 9 of the utility model: the utility model provides a self-powered distributed sewage treatment plant, includes equalizing basin 1, oxygen deficiency pond 2, good oxygen pond 3 and clean water basin 5, 1 pipe connection oxygen deficiency pond 2 of equalizing basin, be provided with elevator pump 10 in the equalizing basin 1, be provided with into water motorised valve 14 on the pipeline between equalizing basin 1 and the oxygen deficiency pond 2, be equipped with polymer oxygen permeation membrane 6 in the oxygen deficiency pond 2, be provided with back between good oxygen pond 3 and the oxygen deficiency pond 2 and penetrate membrane 6A flow pipeline 30, a reflux pump 11 is arranged on the reflux pipeline 30, a membrane biological reaction tank 4 and a sewage level meter 20 are arranged in the aerobic tank 3, the membrane biological reaction tank 4 is connected with a clean water tank 5 through a pipeline, a backwashing pipeline 31 is arranged between the membrane biological reaction tank 4 and the clean water tank 5, a backwashing water pump 12, a backwashing water flow meter 18 and a backwashing electric valve 17 are sequentially arranged on the backwashing pipeline 31, the backwashing water pump 12 is arranged at one end close to the clean water tank 5, the water outlet end of the backwashing pipeline 31 is connected with a pipe section between the water production electric valve 16 and the membrane biological reaction tank 4, the device also comprises a self-power supply system 23, the self-power supply system 23 comprises an aluminum-air cell 24, a photovoltaic module 25, a confluence box 26, a string-type inverter 27, an isolation transformer 28 and a power supply system 29 of the device, the aluminum-air battery 24 and the photovoltaic module 25 are both connected with a confluence box 26, the confluence box 26 is connected with a group string type inverter 27, the group string type inverter 27 is connected with an isolation transformer 28, the isolation transformer 28 is connected with a power supply system 29 of the device, the device also comprises an air blower 7, the air blower 7 is connected with an anoxic pond 2 through a pipeline, the air blower 7 is connected with an aerobic pond 3 through a pipeline, the air blower 7 is connected with a membrane biological reaction pond 4 through a pipeline, the air blower 7 is connected with a clean water pond 5 through a pipeline, the device also comprises a polymeric aluminum chloride dosing tank 8, the polyaluminium chloride dosing tank 8 is connected with the anoxic tank 2 through a pipeline, a dosing pump 15 is arranged on a pipe section between the polyaluminium chloride dosing tank 8 and the anoxic tank 2, a water production electric valve 16, a water production pump 12 and a water production flow meter 19 are arranged on a pipeline between the membrane biological reaction tank 4 and the clean water tank 5, the membrane aeration plant ecological floating island 9 and the clear water liquid level meter 21 are arranged in the clear water tank 5, the upper part of the clear water tank 5 is provided with a water outlet pipe 22, and the sewage treatment capacity of the device can be 0.8 m. 3 And d, the external dimension of the device is 2200mm multiplied by 1200mm, 3 maintenance ports are arranged, and the caliber is 800mm.
Embodiment 10 of the present invention: the utility model provides a self-power distributed sewage treatment plant, includes equalizing basin 1, oxygen deficiency pond 2, good oxygen pond 3 and clean water basin 5, 1 pipe connection oxygen deficiency pond 2 of equalizing basin is provided with elevator pump 10 in the equalizing basin 1, is provided with the motorised valve 14 of intaking on the pipeline between equalizing basin 1 and the oxygen deficiency pond 2, is equipped with polymer oxygen permeation membrane 6 in the oxygen deficiency pond 2, is provided with backflow pipeline 30 between good oxygen pond 3 and the oxygen deficiency pond 2, is provided with backwash pump 11 on backflow pipeline 30, is provided with membrane biological reaction pond 4 and clear water basin 5 in the good oxygen pond 3The device comprises a sewage level meter 20, a membrane biological reaction tank 4, a clean water tank 5, a backwashing pipeline 31, a backwashing water pump 12, a backwashing water flowmeter 18 and a backwashing electric valve 17, wherein the backwashing water pump 12 is arranged at one end close to the clean water tank 5, the backwashing pipeline 31 is arranged on the backwashing pipeline 31 in sequence, the backwashing water pump 12 is arranged at one end close to the clean water tank 5, the water outlet end of the backwashing pipeline 31 is connected with a pipeline section between a water production electric valve 16 and the membrane biological reaction tank 4, the device further comprises a self-power supply system 23, the self-power supply system 23 comprises an aluminum air cell 24, a photovoltaic module 25, a combiner box 26, a string inverter 27, a string inverter 28, an isolation transformer 28 and a power supply system 29 of the device, the device further comprises an air blower 7, the air blower 7 is connected with an anoxic tank 2, the air blower 7 is connected with a pipeline of the aerobic tank 3 and 7, the pipeline 7 is connected with the clean water tank 5, the air blower 7 is connected with a pipeline of the clean water tank 5, the ecological water production tank 5, an aeration water tank 16 and an ecological aluminum chloride chemical production tank 2 are arranged on the clean water tank, and a water production tank 2, the water tank 5 are arranged on the aluminum chloride tank, and a water production tank 2, and a water production tank for the ecological chemical delivery tank for the ecological chemical production water tank for the ecological chemical reactor 5 are arranged on the aluminum chloride chemical reactor 5, and the ecological chemical tank 5, and a water tank for the ecological chemical reactor 5; the sewage treatment capacity of the device can be 1.0m 3 D, the external dimension of the equipment is 2200mm multiplied by 1200mm, 2 maintenance ports are arranged, and the caliber is 450mm; the membrane aeration plant ecological floating island 9 takes a commercially available vacuum oxygen permeable membrane, a commercially available fiber filler and a plant root system as microorganism attachment carriers, fully reacts with oxygen in an air blower 7, deeply purifies tail water, further improves water quality, meets recycling requirements, is schematically shown in figure 5 according to the principle of the membrane aeration plant ecological floating island 9, and the relevant indexes of the water quality of the device effluent reach the first-level A standard of the national pollutant discharge standard of urban sewage treatment plants.
The utility model discloses a theory of operation of embodiment: the self-powered system 23 is the utility model discloses an all power supplies power for the consumer, air-blower 7 is that polymer oxygen permeation membrane 6, good oxygen pond 3 and membrane biological reaction pond 4 provide oxygen, sewage gets into equalizing basin 1 after collecting through the pipe network, the motorised valve 14 of intaking adjusts the inflow according to the liquid level height in equalizing basin 1, sewage gets into oxygen deficiency pond 2 and passes through polymer oxygen permeation membrane 6 aeration, denitrification takes place in oxygen deficiency pond 2, the organic matter is degraded by the microorganism biochemistry, organic nitrogen is ammoniated to the ammonia nitrogen, the ammonia nitrogen is converted into nitrate nitrogen by nitrobacteria, the mixed liquid that produces after denitrification gets into good oxygen pond 3, nitrate nitrogen in the mixed liquid decomposes into nitrogen in good oxygen pond 3, mixed liquid gets into membrane biological reaction pond 4 after removing nitrate nitrogen in good oxygen pond 3, get into clear water pond 5 after membrane biological reaction pond 4 high-efficient solid-liquid separation, unnecessary oxygen gets into clear water pond 5 through the pipeline in air-blower 7, membrane aeration plant ecological chinampa 9 in clear water pond 5 purifies, the clear water of quality output after purifying is discharged from outlet pipe 22; wherein, aluminium air cell 24 utilizes aluminium metal and oxygen reaction in the air to discharge in the self-power system 23, and as night and overcast and rainy weather gas standing power, aluminium air cell 24 does with photovoltaic module 25 in coordination the utility model discloses the power supply.

Claims (9)

1. The utility model provides a self-power distributed sewage treatment plant, includes equalizing basin (1), oxygen deficiency pond (2), good oxygen pond (3) and clean water basin (5), its characterized in that, equalizing basin (1) pipe connection oxygen deficiency pond (2), be equipped with polymer oxygen permeation membrane (6) in oxygen deficiency pond (2), be provided with membrane biological reaction pond (4) in good oxygen pond (3), membrane biological reaction pond (4) pipe connection clean water basin (5), still include self-power supply system (23).
2. The self-powered decentralized sewage treatment plant according to claim 1, wherein said self-powered system (23) comprises aluminum-air cells (24), photovoltaic modules (25), a combiner box (26), string-type inverters (27), isolation transformers (28) and the plant power system (29), said aluminum-air cells (24) and said photovoltaic modules (25) are connected to said combiner box (26), said combiner box (26) is connected to said string-type inverters (27), said string-type inverters (27) are connected to said isolation transformers (28), and said isolation transformers (28) are connected to said plant power system (29).
3. Self-powered decentralized sewage treatment plant according to claim 1, further comprising an air blower (7), wherein the air blower (7) is piped to the anoxic tank (2), the air blower (7) is piped to the aerobic tank (3), the air blower (7) is piped to the membrane bioreactor (4), and the air blower (7) is piped to the clean water tank (5).
4. The self-powered decentralized sewage treatment plant according to claim 1, further comprising a polyaluminium chloride dosing tank (8), wherein the polyaluminium chloride dosing tank (8) is connected to the anoxic tank (2) via a pipeline, and a dosing pump (15) is disposed on a pipe section between the polyaluminium chloride dosing tank (8) and the anoxic tank (2).
5. Self-powered decentralized wastewater treatment plant according to claim 1, characterized in that said conditioning tank (1) is provided with a lift pump (10) and the piping between the conditioning tank (1) and the anoxic tank (2) is provided with an electric valve (14) for water intake.
6. Self-powered decentralized sewage treatment plant according to claim 1, wherein a return pipe (30) is arranged between said aerobic basin (3) and said anoxic basin (2), wherein a return pump (11) is arranged on said return pipe (30), and wherein a sewage level meter (20) is arranged in said aerobic basin (3).
7. The self-powered decentralized sewage treatment plant according to claim 1, wherein a water production electric valve (16), a water production pump (12) and a water production flow meter (19) are arranged on the pipeline between the membrane biological reaction tank (4) and the clean water tank (5).
8. The self-powered decentralized sewage treatment device according to claim 7, wherein a backwash pipeline (31) is arranged between the membrane biological reaction tank (4) and the clean water tank (5), a backwash water pump (13), a backwash water flow meter (18) and a backwash electric valve (17) are sequentially arranged on the backwash pipeline (31), the backwash water pump (12) is arranged at one end close to the clean water tank (5), and the water outlet end of the backwash pipeline (31) is connected to the pipe section between the water production electric valve (16) and the membrane biological reaction tank (4).
9. Self-powered decentralized sewage treatment plant according to claim 1, wherein said clean water basin (5) is internally provided with a membrane aeration plant ecological floating island (9) and a clean water level meter (21), and the upper part of the clean water basin (5) is provided with a water outlet pipe (22).
CN202221097395.8U 2022-05-07 2022-05-07 Self-powered distributed sewage treatment device Active CN217677197U (en)

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CN202221097395.8U CN217677197U (en) 2022-05-07 2022-05-07 Self-powered distributed sewage treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221097395.8U CN217677197U (en) 2022-05-07 2022-05-07 Self-powered distributed sewage treatment device

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CN217677197U true CN217677197U (en) 2022-10-28

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CN202221097395.8U Active CN217677197U (en) 2022-05-07 2022-05-07 Self-powered distributed sewage treatment device

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