CN205603432U - Domestic sewage's integration treatment device - Google Patents

Domestic sewage's integration treatment device Download PDF

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Publication number
CN205603432U
CN205603432U CN201620448765.6U CN201620448765U CN205603432U CN 205603432 U CN205603432 U CN 205603432U CN 201620448765 U CN201620448765 U CN 201620448765U CN 205603432 U CN205603432 U CN 205603432U
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CN
China
Prior art keywords
sedimentation tank
sewage
biochemistry pool
water
anoxic pond
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN201620448765.6U
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Chinese (zh)
Inventor
谢全模
万泉金
马邕文
代晋国
王凯剑
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South China University of Technology SCUT
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South China University of Technology SCUT
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Priority to CN201620448765.6U priority Critical patent/CN205603432U/en
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Publication of CN205603432U publication Critical patent/CN205603432U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a domestic sewage's integration treatment device, including anaerobic organism filtering pond, oxygen deficiency pond, biochemical pond and the sedimentation tank that communicates in proper order, spherical compounded mix is equipped with in the anaerobic organism filtering pond, anaerobic organism filtering pond bottom is equipped with water distribution system and backpurge system, flexible filler is installed inside in the oxygen deficiency pond, oxygen deficiency bottom of the pool portion is equipped with air mixing system, it packs to be equipped with the cilium in the biochemical pond, biochemical bottom of the pool portion is equipped with aeration systems, the sedimentation tank is equipped with central sleeve and baffle, precipitating the overflow of cell -out water and getting into disinfection groove and outer arranging, the device still includes sewage return -flow system and return sludge system. The utility model discloses can effectively realize the getting rid of of pollutant among the centralized or distributed domestic sewage, water purification, the cost is lower simultaneously, reliable and simple, it is stable to go out water.

Description

The integrated treatment unit of one way of life sewage
Technical field
This utility model relates to the integrated treatment unit of one way of life sewage, belongs to water treatment field, should Process for dispersant type domestic wastewater.
Background technology
China is agricultural population big country, and rural area is vast, and population reaches people more than 700,000,000, and every day produces life The tens million of ton of sewage, and each village all lacks special sewage collecting treatment facility, only part resident family and builds Having anaerobic tank or methane tank system that sanitary sewage is carried out simple fermentation process, most residents is got used to Sanitary sewage is arbitrarily discharged.Sewage is the most treated, flows directly into neighbouring small stream river, aggravates water pollution, Surrounding enviroment are constituted adverse effect, and threatens that the periphery masses' is healthy.Therefore, pay attention to and strengthen Rural area water pollution control work, be improve Rural Areas at Present human settlement work in most important One of work.
China's rural population is numerous, and domestic sewage in rural areas discharge capacity is big.Owing to economic condition is poor, lack into Cooking technique and the local the most high factor of masses' environmental consciousness are limited, and rural sewage treatment Facilities Construction is serious not Foot, sanitary sewage the most directly discharges.Domestic sewage in rural areas is the most treated, directly discharges, cause river, Pool is polluted, and deteriorates periphery water environment, and threatens that the masses' is healthy further.Sanitary sewage is Become one of the primary pollution source in area, Rural Areas at Present.
Utility model content
Technical problem to be solved in the utility model is to provide the close-coupled processing dress of one way of life sewage Put, solve the deficiencies in the prior art.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: the integration of one way of life sewage Processing means, including anaerobic biofilter, anoxic pond, biochemistry pool and sedimentation tank, described Anaerobe is filtered The bottom in pond is provided with water inlet, the external soil pipe of described water inlet, the middle part in described anaerobic biofilter Being provided with spherical compounded mix, the top in described anaerobic biofilter is provided with anaerobic biofilter effluent weir, The top of described anaerobic biofilter effluent weir connection anoxic pond, the middle part in described anoxic pond is provided with elasticity Filler, the bottom of described anoxic pond connects the bottom of described biochemistry pool, and the middle part in described biochemistry pool is provided with Cilium filler, the top in described biochemistry pool is provided with biochemistry pool effluent weir, and described biochemistry pool effluent weir connects Sedimentation tank, the bottom of described sedimentation tank is provided with mud discharging mouth, and the top in described sedimentation tank is provided with overflow water outlet Disinfection trough, described disinfection trough is built with sodium hypochlorite sheet, described disinfection trough external connection row water pipe.
The beneficial effects of the utility model are: this utility model can effectively realize centralized or distributing In sanitary sewage, the removal of pollutant, purifies water, and cost is relatively low simultaneously, simple, stable water outlet.
On the basis of technique scheme, this utility model can also do following improvement.
Further, the bottom in described anaerobic biofilter is provided with the water distribution being positioned at below spherical compounded mix System, described soil pipe stretches in described anaerobic biofilter from water inlet and connects described water distribution system.
Anaerobic biofilter water inlet uses water distribution system (cloth to use above-mentioned further scheme to provide the benefit that Water system can use water distribution uniformity pipeline), it is ensured that sewage uniformly rises.
Further, the bottom in described anaerobic biofilter is provided with the backwash system being positioned at below water distribution system System, described backwashing system uses aeration backwash.
Further, the bottom in described anoxic pond is provided with the air agitation system being positioned at below elastic filler, Its alr mode uses the perforated pipe aerating regulation stirring being evenly arranged.
Further, the bottom in described biochemistry pool is provided with the aerating system being positioned at below cilium filler, described Aerating system includes aeration tube and multiple aeration head being uniformly arranged on aeration tube.
In using above-mentioned further scheme to provide the benefit that anaerobic biofilter, filler uses spherical compound Filler, spherical compounded mix has the following characteristics that porosity is big, and specific surface area is big, and efficiency is high.Anoxia Pond uses elastic filler, and elastic filler specific surface area is big, and biofilm is easy, and not conglomeration, biomembrane is the most more Newly, service life is long, cheap treatment effeciency can be greatly improved.The air agitation system of anoxic pond is adopted Stirring by aeration agitation mode, aerated conduit is the perforated pipe being evenly arranged.In biochemistry pool, filler uses fibre Hair filler, specifically can use the biological cilium filler of Korea S's import, cilia-like biofilm filler specific surface Long-pending big, microorganism colonization, demoulding are easy, are not susceptible to clogging, and maintenance and management is simple, anti-impact Ability of hitting is strong, and sludge yield is few, and service life was up to more than 10 years.The aerating system of biochemistry pool is by exposing Trachea and aeration plate composition.
Concrete, the packed height of spherical compounded mix, elastic filler and cilium filler at 1m to 2.5m, Be preferably 1.5m to 2m, and because also having for backwash or the device of aeration below, three kinds of fillers and To maintain a certain distance at the bottom of pond, can be 0.5m to 1.5m, preferably 1m.
Further, described backwashing system, air agitation system are connected with aerating system, and share one Blower fan, described backwashing system, air agitation system and aerating system be equipped with control its be turned on and off Valve.
Above-mentioned further scheme is used to provide the benefit that backwashing system, air agitation system and aeration system System is connected, and shares a Fans, and is provided with the valve controlling switch, backwashing system under normal circumstances Closing, air agitation system and aerating system are opened, and when anaerobic biofilter needs backwash, open Backwashing system, is decreased or turned off air agitation system and aerating system, after backwash 15mi about n again Properly functioning.
Further, described soil pipe and drain pipe are equipped with its valve being turned on and off of control.
Above-mentioned further scheme is used to provide the benefit that the valve on soil pipe and drain pipe can control Water inlet and the switch of water outlet speed control, be controlled whole device.
Further, described sedimentation tank is vertical sedimentation basin, and its interior middle part is provided with in being vertically arranged Heart sleeve and be positioned at the baffle plate below cylindrical central sleeve, described biochemistry pool effluent weir connection sedimentation tank water inlet pipe One end, the other end of sedimentation tank water inlet pipe stretches in cylindrical central sleeve.
Use above-mentioned further scheme to provide the benefit that and cylindrical central sleeve and baffle plate are set in sedimentation tank, can With the more preferable effect realizing precipitation, water inlet is introduced into cylindrical central sleeve again by baffle, and mud falls, And water body rises, can sterilize at disinfection trough and outer row.
Further, also include that sewage backflow system, described sewage backflow system include sewage backflow pipeline, One end of described sewage backflow pipeline connects the top of described sedimentation tank, and the other end connects described anoxic pond, Described sewage backflow pipeline is provided with water pump and controls its valve being turned on and off.
Further, also include that sludge recirculation system, described sludge recirculation system include sludge return pipe, One end of described sludge return pipe connects the bottom of described sedimentation tank, and the other end connects described anoxic pond, Described sludge return pipe is provided with water pump and controls its valve being turned on and off.
Above-mentioned further scheme is used to provide the benefit that sewage backflow system and sludge recirculation system are permissible Allow the sewage in sedimentation tank and mud return to anoxic pond by water pump respectively, time properly functioning, open sewage Return-flow system, according to clarifier sludge amount time opening sludge recirculation system or by mud discharging mouth spoil disposal.
When device of the present utility model uses, operating procedure is: 1. by sewage bottom anaerobic biofilter Water inlet is delivered to water distribution system, and sewage passes through the overflow of anaerobic biofilter effluent weir after anaerobic treatment Enter anoxic pond;2. after sewage enters anoxic pond, opening the air agitation system of anoxic pond, sewage is through lacking Oxygen flows into biochemistry pool by the water hole bottom anoxic pond after processing;3., after sewage enters biochemistry pool, open The aerating system of biochemistry pool, sewage enters precipitation by the overflow of biochemistry pool effluent weir after biochemical treatment Pond;4, sewage enters the cylindrical central sleeve in sedimentation tank by sedimentation tank water inlet pipe, opens sewage backflow system System;Entering disinfection trough by overflow manner after settlement of sewage, disinfection trough is previously added the secondary chlorine for sterilization Acid sodium sheet, sewage is discharged by drain pipe after sterilization;5, become according to biomembrane in anaerobic biofilter Long situation carries out backwash to anaerobic biofilter, temporarily reduces the exposure of anoxic pond and biochemistry pool during backwash Tolerance also opens the valve of backwashing system in anaerobic biofilter, closes after backwash 15mi about n Backwashing system also recovers the aeration rate of anoxic pond and biochemistry pool;6. fixed according to the situation of mud in sedimentation tank Shi Kaiqi sludge recirculation system or by mud discharging mouth spoil disposal.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
In accompanying drawing, the list of parts representated by each label is as follows:
1, water inlet, 2, anaerobic biofilter, 3, spherical compounded mix, 4, water distribution system, 5, Anaerobic biofilter effluent weir, 6, backwashing system, 7, anoxic pond, 8, elastic filler, 9, air Stirring system, 10, water hole, 11, biochemistry pool, 12, cilium filler, 13, aerating system, 14, Sedimentation tank, 15, sedimentation tank water inlet pipe, 16, cylindrical central sleeve, 17, baffle plate, 18, mud discharging mouth, 19, Disinfection trough, 20, sodium hypochlorite sheet, 21, drain pipe, 22, sewage backflow system, 23, sludge reflux System, 24, biochemistry pool effluent weir.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for solving Release this utility model, be not intended to limit scope of the present utility model.
As it is shown in figure 1, this utility model relates to the integrated treatment unit of one way of life sewage, including depending on The anaerobic biofilter 2 of secondary connection, anoxic pond 7, biochemistry pool 11 and sedimentation tank 14, described Anaerobe Filter tank 2, built with spherical compounded mix 3, is provided with water distribution system 4 He bottom described anaerobic biofilter 2 Backwashing system 6, described anoxic pond 7, built with elastic filler 8, is provided with sky bottom described anoxic pond 7 Gas agitating system 9, described biochemistry pool 11, built with cilium filler 12, is provided with bottom described biochemistry pool 11 Aerating system 13, described sedimentation tank 14 is provided with cylindrical central sleeve 16 and baffle plate 17, and described sedimentation tank 14 goes out Water overflow enters disinfection trough 19 outer row, and this device also includes sewage backflow system 22 and sludge reflux system System 23.
Concrete, the bottom of described anaerobic biofilter 2 is provided with water inlet 1, and described water inlet 1 is external Soil pipe, the middle part in described anaerobic biofilter 2 is provided with spherical compounded mix 3, described Anaerobe Top in filter tank 2 is provided with anaerobic biofilter effluent weir 5, and described anaerobic biofilter effluent weir 5 is even The top of logical anoxic pond 7, the middle part in described anoxic pond 7 is provided with elastic filler 8, described anoxic pond 7 Bottom connect described biochemistry pool 11 bottom, the middle part in described biochemistry pool 11 is provided with cilium filler 12, Top in described biochemistry pool 11 is provided with biochemistry pool effluent weir 24, and the connection of described biochemistry pool effluent weir 24 is heavy Pond, shallow lake 14, the bottom of described sedimentation tank 14 is provided with mud discharging mouth 18, and the top in described sedimentation tank 14 sets Having the disinfection trough 19 of overflow water outlet, described disinfection trough 19 is built with sodium hypochlorite sheet 20, described disinfection trough 19 external connection row water pipes 21.
This utility model design concrete cell body structure time, can by anaerobic biofilter 2, anoxic pond 7, Together with biochemistry pool 11 is set up in parallel with sedimentation tank 14, adjacent cell body shares pool wall, and such anaerobism is raw Thing filter tank 2 can set for the effluent weir connected with sedimentation tank 14 top with anoxic pond 7, biochemistry pool 11 Put at shared pool wall, and middle anoxic pond 7 connects with the bottom of biochemistry pool 11 and can pass through to arrange Water hole 10 on shared pool wall connects.
Bottom in described anaerobic biofilter 2 is provided with the water distribution system being positioned at below spherical compounded mix 3 4, described soil pipe stretches in described anaerobic biofilter 2 from water inlet 1 and connects described water distribution system 4. Anaerobic biofilter 2 water inlet uses water distribution system 4 (water distribution system 4 can use water distribution uniformity pipeline), Ensure that sewage uniformly rises.
In described anaerobic biofilter, the bottom of 2 is provided with the backwashing system 6 being positioned at below water distribution system 4, Described backwashing system 6 uses aeration backwash.
Bottom in described anoxic pond 7 is provided with the air agitation system 9 being positioned at below elastic filler 8, its Alr mode uses the perforated pipe aerating regulation stirring being evenly arranged.
Bottom in described biochemistry pool 11 is provided with the aerating system 13 being positioned at below cilium filler 12, described Aerating system 13 includes aeration tube and multiple aeration head being uniformly arranged on aeration tube.
In anaerobic biofilter 2, filler uses spherical compounded mix 3, and spherical compounded mix 3 has following Feature: porosity is big, specific surface area is big, and efficiency is high.Anoxic pond 7 uses elastic filler 8, and elasticity is filled out Material specific surface area is big, and biofilm is easy, and not conglomeration, biomembrane easily updates, and service life is long, and price is low Honest and clean treatment effeciency can be greatly improved.The air agitation system 9 of anoxic pond 7 uses aeration agitation mode to stir, Aerated conduit is the perforated pipe being evenly arranged.In biochemistry pool 11, filler uses cilium filler 12, specifically may be used To use the biological cilium filler of Korea S's import, cilia-like biofilm packing specific area is big, and microorganism is hung Film, demoulding are easy, are not susceptible to clogging, and maintenance and management is simple, strong shock resistance, mud Yield is few, and service life was up to more than 10 years.The aerating system 13 of biochemistry pool 11 is by aeration tube and exposure Gas dish forms.
Concrete, the packed height of spherical compounded mix 3, elastic filler 8 and cilium filler 12 is at 1m To 2.5m, preferably 1.5m to 2m, and it is used for backwash or the device of aeration because also having below, three Plant filler to maintain a certain distance at the bottom of pond, can be 0.5m to 1.5m, preferably 1m.
Described backwashing system 6, air agitation system 9 are connected with aerating system 13, and share a typhoon Machine, described backwashing system 6, air agitation system 9 and aerating system 13 be equipped with control its open or The valve closed.Backwashing system 6 is closed under normal circumstances, air agitation system 9 and aerating system 13 Open, when anaerobic biofilter 2 needs backwash, open backwashing system 6, be decreased or turned off sky Gas agitating system 9 and aerating system 13, the most properly functioning after backwash 15mi about n.
Its valve being turned on and off of control it is equipped with on described soil pipe and drain pipe 21.Soil pipe and Valve on drain pipe 21 can control water inlet and the switch of water outlet speed control, enters whole device Row controls.
Described sedimentation tank 14 is vertical sedimentation basin, and its interior middle part is provided with the center being vertically arranged Cylinder 16 and be positioned at the baffle plate 17 below cylindrical central sleeve 16, described biochemistry pool effluent weir 24 connects sedimentation tank One end of water inlet pipe 15, the other end of sedimentation tank water inlet pipe 15 stretches in cylindrical central sleeve 16.In precipitation Cylindrical central sleeve 16 and baffle plate 17 are set in pond 14, can preferably realize the effect of precipitation, water inlet advanced person Entering cylindrical central sleeve 16 to be stopped by baffle plate 17, mud falls again, and water body rises, can be at disinfection trough 19 Place's sterilization outer row.
This utility model also includes sewage backflow system 22 and sludge recirculation system 23, described sewage backflow System 22 includes sewage backflow pipeline, and one end of described sewage backflow pipeline connects described sedimentation tank 14 Top, the other end connects described anoxic pond 7, and described sewage backflow pipeline is provided with water pump and opens with controlling it The valve opening or closing, described sludge recirculation system 23 includes sludge return pipe, described sludge reflux One end of pipeline connects the bottom of described sedimentation tank 14, and the other end connects described anoxic pond 7, described mud Reflux line is provided with water pump and controls its valve being turned on and off.Sewage backflow system 22 and mud Return-flow system 23 can allow the sewage in sedimentation tank 14 and mud return to anoxic pond 7 by water pump respectively, Sewage backflow system 22 is opened, according to sedimentation tank 14 sludge quantity time opening sludge reflux time properly functioning System 23 or by mud discharging mouth 18 spoil disposal.
When device of the present utility model uses, operating procedure is: 1. by sewage through anaerobic biofilter 2 end Portion's water inlet 1 is delivered to water distribution system 4, and sewage passes through anaerobic biofilter effluent weir after anaerobic treatment The overflow of 5 enters anoxic pond 7;2., after sewage enters anoxic pond 7, open the air stirring of anoxic pond 7 System 9, sewage flows into biochemistry pool 11 by the water hole 10 bottom anoxic pond 7 after anoxic treatment; 3. after sewage enters biochemistry pool 11, opening the aerating system 13 of biochemistry pool 11, sewage is after biochemical treatment Sedimentation tank 14 is entered by the overflow of biochemistry pool effluent weir 24;4, sewage passes through sedimentation tank water inlet pipe 15 Enter the cylindrical central sleeve 16 in sedimentation tank 14, open sewage backflow system 22;By overflowing after settlement of sewage Stream mode enters disinfection trough 19, and disinfection trough 19 is previously added the sodium hypochlorite sheet 20 for sterilization, sewage Discharged by drain pipe 21 after sterilization;5, according to biomembrane growth situation pair in anaerobic biofilter 2 Anaerobic biofilter 2 carries out backwash, temporarily reduces anoxic pond 7 and the exposure of biochemistry pool 11 during backwash Tolerance also opens the valve of backwashing system 6 in anaerobic biofilter 2, after backwash 15mi about n Close backwashing system 6 and recover anoxic pond 7 and the aeration rate of biochemistry pool 11;6. according to sedimentation tank 14 The situation time opening sludge recirculation system 23 of interior mud or by mud discharging mouth 18 spoil disposal.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all Within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all Within protection domain of the present utility model should be included in.

Claims (10)

1. the integrated treatment unit of one way of life sewage, it is characterised in that include anaerobic biofilter (2), anoxic pond (7), biochemistry pool (11) and sedimentation tank (14), described anaerobic biofilter (2) Bottom be provided with water inlet (1), described water inlet (1) external soil pipe, described anaerobic biofilter (2) middle part in is provided with spherical compounded mix (3), and the top in described anaerobic biofilter (2) sets There are anaerobic biofilter effluent weir (5), described anaerobic biofilter effluent weir (5) connection anoxic pond (7) Top, the middle part in described anoxic pond (7) is provided with elastic filler (8), described anoxic pond (7) Bottom connects the bottom of described biochemistry pool (11), and the middle part in described biochemistry pool (11) is provided with cilium and fills out Material (12), the top in described biochemistry pool (11) is provided with biochemistry pool effluent weir (24), described biochemistry pool Effluent weir (24) connection sedimentation tank (14), the bottom of described sedimentation tank (14) is provided with mud discharging mouth (18), Top in described sedimentation tank (14) is provided with the disinfection trough (19) of overflow water outlet, described disinfection trough (19) Built with sodium hypochlorite sheet (20), described disinfection trough (19) external connection row water pipe (21).
The integrated treatment unit of one way of life sewage the most according to claim 1, it is characterised in that Bottom in described anaerobic biofilter (2) is provided with the cloth water system being positioned at spherical compounded mix (3) lower section System (4), described soil pipe stretches in described anaerobic biofilter (2) from water inlet (1) and connects institute State water distribution system (4).
The integrated treatment unit of one way of life sewage the most according to claim 2, it is characterised in that Bottom in described anaerobic biofilter (2) is provided with the backwashing system being positioned at water distribution system (4) lower section (6), described backwashing system (6) uses aeration backwash.
The integrated treatment unit of one way of life sewage the most according to claim 3, it is characterised in that Bottom in described anoxic pond (7) is provided with the air agitation system (9) being positioned at elastic filler (8) lower section, Its alr mode uses the perforated pipe aerating regulation stirring being evenly arranged.
The integrated treatment unit of one way of life sewage the most according to claim 4, it is characterised in that Bottom in described biochemistry pool (11) is provided with the aerating system (13) being positioned at cilium filler (12) lower section, Described aerating system (13) includes aeration tube and multiple aeration head being uniformly arranged on aeration tube.
The integrated treatment unit of one way of life sewage the most according to claim 5, it is characterised in that Described backwashing system (6), air agitation system (9) are connected with aerating system (13), and share One Fans, described backwashing system (6), air agitation system (9) and aerating system (13) are equal It is provided with its valve being turned on and off of control.
7. according to the integrated treatment unit of one way of life sewage described in any one of claim 1 to 6, It is characterized in that, described soil pipe and drain pipe (21) are equipped with its valve being turned on and off of control.
8. according to the integrated treatment unit of one way of life sewage described in any one of claim 1 to 6, It is characterized in that, described sedimentation tank (14) is vertical sedimentation basin, and its interior middle part is provided with and vertically sets The cylindrical central sleeve (16) put and the baffle plate (17) being positioned at cylindrical central sleeve (16) lower section, described biochemistry pool One end of effluent weir (24) connection sedimentation tank water inlet pipe (15), another of sedimentation tank water inlet pipe (15) End stretches in cylindrical central sleeve (16).
9. according to the integrated treatment unit of one way of life sewage described in any one of claim 1 to 6, It is characterized in that, also include that sewage backflow system (22), described sewage backflow system (22) include dirt Water reflux line, one end of described sewage backflow pipeline connects the top of described sedimentation tank (14), another End connects described anoxic pond (7), and described sewage backflow pipeline is provided with water pump and is turned on and off with controlling it Valve.
10. according to the integrated treatment unit of one way of life sewage described in any one of claim 1 to 6, It is characterized in that, also include that sludge recirculation system (23), described sludge recirculation system (23) include dirt Mud reflux line, one end of described sludge return pipe connects the bottom of described sedimentation tank (14), another End connects described anoxic pond (7), and described sludge return pipe is provided with water pump and is turned on and off with controlling it Valve.
CN201620448765.6U 2016-05-16 2016-05-16 Domestic sewage's integration treatment device Expired - Fee Related CN205603432U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459205A (en) * 2017-08-09 2017-12-12 浙江大学宁波理工学院 Drain contamination for river channel mouth wastewater treatment equipment and processing method
CN111995173A (en) * 2020-07-17 2020-11-27 武汉上善清源环保科技有限公司 Integrated kitchen garbage leachate treatment device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107459205A (en) * 2017-08-09 2017-12-12 浙江大学宁波理工学院 Drain contamination for river channel mouth wastewater treatment equipment and processing method
CN111995173A (en) * 2020-07-17 2020-11-27 武汉上善清源环保科技有限公司 Integrated kitchen garbage leachate treatment device

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