CN206486404U - Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas - Google Patents

Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas Download PDF

Info

Publication number
CN206486404U
CN206486404U CN201720142980.8U CN201720142980U CN206486404U CN 206486404 U CN206486404 U CN 206486404U CN 201720142980 U CN201720142980 U CN 201720142980U CN 206486404 U CN206486404 U CN 206486404U
Authority
CN
China
Prior art keywords
biochemical
biochemical reactor
sewage
aeration
rural areas
Prior art date
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.)
Active
Application number
CN201720142980.8U
Other languages
Chinese (zh)
Inventor
张贤彬
洪海
迟耀华
陈勇
刘明强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING HUAFU ENVIRONMENTAL ENGINEERING Co Ltd
Original Assignee
LIAONING HUAFU ENVIRONMENTAL ENGINEERING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LIAONING HUAFU ENVIRONMENTAL ENGINEERING Co Ltd filed Critical LIAONING HUAFU ENVIRONMENTAL ENGINEERING Co Ltd
Priority to CN201720142980.8U priority Critical patent/CN206486404U/en
Application granted granted Critical
Publication of CN206486404U publication Critical patent/CN206486404U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)

Abstract

A kind of device of low-energy-consumption high-efficiency processing domestic sewage in rural areas mainly includes sewage pump, aeration tank biochemical system, clear water reserviors, blower fan aerating system and robot control system(RCS), and aeration tank biochemical system is connected with clear water reserviors.Aeration tank biochemical system includes multiple biochemical reactors being set up in parallel, one side roof part of each biochemical reactor is equipped with the water leg that can be interconnected, separated between the water leg per two neighboring biochemical reactor by plate control with connecting, elevator pump is by sewage lifting to water leg, water leg is provided with overflow mechanism in the side of biochemical reactor side wall, the inside of each biochemical reactor is provided with the aerating pipelines and aeration plate of blower fan aerating system, aerating pipelines and aeration plate are connected with the blower fan in blower fan aerating system, biochemical reactor is provided with effluent trough in the side of relative water leg, the absolute altitude of the import weir gate of effluent trough is less than the import weir gate 5mm 100mm of overflow mechanism, effluent trough directly connects the clear water reserviors.

Description

Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas
Technical field
The utility model is related to sewage disposal technology, belongs to reactor category, specifically, is related to a kind of rural area that is used for and gives birth to The device of sewage disposal living.
Background technology
Current sanitary sewage disposal mainly using the active method of aerobic sludge, AAO (Anaerobic-Anoxic-Oxic), The techniques such as catalytic oxidation, MBR (MembraneBio-Reactor) membrane bioreactor, FMBR membrane bioreactors.Aerobic activity Sludge needs big aeration quantity, thus investment is high, and operating cost is also high;AAO methods are most conventional domestic sewage processing methods, It has the disadvantage that simple aerobic time is long, and dynamic equipment is more, high energy consumption;Its core of catalytic oxidation is that filler is filled in reaction tank, Occur redox reaction using the biomembrane on filler and waste water, be purified sewage, it has the disadvantage that filler is easy Fracture of wire, damage, and bad replacing, and difficulty is dismounted, energy consumption is also high.MBR membrane bioreactors are exactly in traditional AAO techniques On, film has been put in Aerobic Pond, it has the disadvantage that dynamic equipment is more, high energy consumption, and film needs cleaning, add operation maintenance into This.
And rural domestic sewage treatment process is all the handling process for applying mechanically municipal wastewater treatment plant at present, in implementation process simultaneously The particularity of rural domestic sewage collection is not considered, due to the construction reference that rural domestic sewage collection pipe network is not unified, And particularly northern in some regions, summer level of ground water is high, and winter level of ground water is low, when building pipe network, there is underground water Sewage collecting pipe network is penetrated into position.In rural area, due to ununified heating equipment, winter indoor temperature is low, is particularly installing The room temperature of urn is low, and many rich villagers pass the winter in selection winter in town, and therefore, the sewage quantity that winter collects is few; In summer, villager can have a bath at oneself, cause the sanitary sewage amount of summer collection big.Therefore, because the habits and customs of villager, Life style and the change in season, the sanitary sewage amount of collection are very big in Four seasons change, the one being designed according to maximum Change equipment in winter because water causes integration apparatus to be not normally functioning less, cause integration apparatus to leave unused.
Therefore, how to be directed to the characteristic of domestic sewage in rural areas, a set of suitable country sewage water quality and water and operation are developed The low sewage treatment process of cost, is also the problem that each row practitioner and scholars study always.
The content of the invention
The purpose of this utility model is to be directed to above-mentioned present situation to be suitable for domestic sewage in rural areas there is provided one kind, and with efficient Degradation of organic substances, with denitrogenation dephosphorizing ability, and the low rural domestic sewage treating device of operating cost.
Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas in the utility model, for handling domestic sewage in rural areas, The device mainly includes sewage pump, aeration tank biochemical system, clear water reserviors, blower fan aerating system and for being uniformly coordinated control Foregoing sewage pump, aeration tank biochemical system, clear water reserviors, the robot control system(RCS) of blower fan aerating system are made, the aeration tank is biochemical The water outlet of system is entered inside the clear water reserviors, and the aeration tank biochemical system includes multiple biochemical reactions being set up in parallel Device, a side roof part of each biochemical reactor be equipped with each biochemical reactor install side by side it is fixed after can be interconnected catchment Groove, is separated with connecting, the water leg receives described between the water leg per two neighboring biochemical reactor by plate control The sewage that sewage pump is provided, the water leg is provided with overflow mechanism in the side of biochemical reactor side wall, each The inside of biochemical reactor is provided with aerating pipelines and aeration plate in blower fan aerating system, aerating pipelines and aeration plate and blower fan Aerating system is arranged on the blower fan connection outside the aeration tank biochemical system;The biochemical reactor is in relatively described water leg Side is provided with the effluent trough for being linked to be a groove, and the import weir gate absolute altitude of the effluent trough is less than the import of the overflow mechanism Weir gate 5mm-100mm, the effluent trough directly connects the clear water reserviors.
The biochemical reactor is provided with an overflow pipe, the overflow pipe at less than the effluent trough import weir gate Heart absolute altitude is less than the effluent trough import weir gate 10-100mm, the junctions of the overflow pipe and the clear water reserviors be provided with one by The robot control system(RCS) is uniformly controlled the magnetic valve opened with closure.
The inner bottom part of each biochemical reactor is provided with activated sludge layer, and the concentration of activated sludge is according to wastewater influent Water quality is determined.
The blower fan aerating system from many independent controls blower fan, aerating pipelines in the blower fan aerating system from The inside of the biochemical reactor is extended at the top of the biochemical reactor, and with being fixedly mounted on the biochemical reaction The aeration plate connection of device inner bottom part, the aeration plate uses microporous aeration disc or micropore aeration pipe, and the aerating pipelines are entering The DO values in regulating valve, regulation biochemical reactor are respectively mounted before to the biochemical reactor, regulating valve can use manual, Automatic regulating valve can be used, the DO values in biochemical reactor are adjusted automatically.
The clear water reserviors are sterilization pool, carry out sterilizing using sodium hypochlorite, the water outlet of the clear water reserviors is using gravity flow Draining or efflux pump dynamic drainage.
The aeration tank biochemical system, clear water reserviors are connected, and the thick water-proof heat-insulation layers of 100mm are coated with its outer surface After be embedded in underground.
The overflow mechanism is the setting plate that a tile height is less than biochemical reactor side wall, the top of the setting plate At least than the high 20mm of bottom plate of the water leg, the import weir gate of overflow mechanism is formed, bottom extends to described biochemical anti- The bottom of device is answered, outlet weir gate is formed.
The outlet weir gate absolute altitude of the overflow mechanism is less than the aeration plate 20-100mm.
The setting plate of the overflow mechanism is less than or equal to 100mm from biochemical reactor side wall.
Advantage and effect of the present utility model are:
Using unique water intake mode, draining is carried out using laminar flow principle;
Using cycle SECO, sewage treating efficiency is improved, and control flexible;
Effluent quality COD, BOD5, ammonia nitrogen removal frank reach GB18918-2012《Urban wastewater treatment firm pollutant emission Standard》One-level A standards, while having Nitrogen/Phosphorus Removal;Dynamic equipment is few, and maintenance cost is low, and cost of water treatment per ton is less than 0.25 yuan (being calculated per kilowatt hour power consumption by 1 yuan);
It is adapted to the big operating mode of country sewage collecting amount Four seasons change.
Brief description of the drawings:
Fig. 1 is the overlooking the structure diagram figure of the device of processing domestic sewage in rural areas in the utility model.
Fig. 2 is the left view schematic diagram of the device of processing domestic sewage in rural areas in the utility model.
Embodiment
The specific embodiment of the utility model is elaborated below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the device of low-energy-consumption high-efficiency processing domestic sewage in rural areas includes dirt in the utility model Water elevator pump 1, aeration tank biochemical system 2, clear water reserviors 10, blower fan aerating system 11, efflux pump 12 and robot control system(RCS) 14, in sewage Installed between elevator pump 1, aeration tank biochemical system 2, clear water reserviors 10, blower fan aerating system 11, efflux pump 12 and robot control system(RCS) 14 There are pipeline and valve instrument.Whole device can be embedded in underground, it is particularly possible to which aeration tank biochemical system, clear water reserviors are linked to be into one Body, underground, thermal conductivity factor >=0.028W/ of heat-insulation layer are embedded in after the thick water-proof heat-insulation layers of 100mm are coated with its outer surface M.K。
As shown in figure 1, aeration tank biochemical system 2 includes multiple biochemical reactors 20 being set up in parallel, it is each biochemical anti- A side roof part of device 20 is answered to be equipped with the water leg 3 that can be interconnected, after all biochemical reactors 2 are installed side by side to be fixedly installed The connection of water leg 3 of one side roof part is formed between a groove, and the water leg 3 of two neighboring biochemical reactor 20 by 5 points of plate Separate, and be uniformly controlled by robot control system(RCS) 14 and make closure or openness, so can be according to the sewage yield of rural area Various Seasonal Size adjusts the usage quantity of biochemical reactor 20, when summer, sanitary sewage amount was big, can open all plates 5, so that Open the use of all biochemical reactors 20, when dirty amount of living in the winter time is small, according to water with open plate 5 number and will Remaining plate 5 is closed, in the winter time during the minimum of water, and sewage is handled using only a biochemical reactor 20.Also It is that the number for saying the mesophytization reactor 20 of the utility model aeration biochemical system 2 should give birth to according to the maximum of sewage collecting with each The disposal ability for changing reactor 20 is determined, and the treating capacity of each biochemical reactor 20 is 1-10m3/ d, catchments according to unlatching The number of plate 5 on groove 3 adapts to the Four seasons change of domestic sewage in rural areas.
Water leg 3 connects sewage pump 1, and the sewage received is input in water leg 3 by sewage pump 1, in collection Tank 3 is provided with overflow mechanism 4 close to the side of the side wall of biochemical reactor 20, and the overflow mechanism is that a tile height is anti-less than biochemical Answer at the top of the setting plate of the side wall of device 20, and the setting plate of overflow mechanism 4 at least than the high 20mm of bottom plate of water leg 3, formed The import weir gate of overflow mechanism 4, bottom extends to the bottom of biochemical reactor 20, forms outlet weir gate.It is each biochemical anti- Device 20 is answered to be provided with effluent trough 7 in the side of relative water leg 3, all effluent troughs 7 are solid side by side in each biochemical reactor 20 A groove is also formed after Dingan County's dress, the import weir gate absolute altitude of the effluent trough 7 is less than the import weir gate 5mm-100mm of overflow mechanism 4. The effluent trough 7 for forming groove directly connects clear water reserviors 10.
One group of aerating pipelines 6 and aeration plate 15 are provided with inside each biochemical reactor 20, aeration plate 15 is using micro- Hole aeration plate or micropore aeration pipe, aerating pipelines 6 extend into each biochemical anti-always from each top of biochemical reactor 20 The bottom of device 20 is answered, and is connected with the aeration plate 15 for being fixed on each inner bottom part of biochemical reactor 20, while aerating pipelines 6 Connected with the aeration blower fan 16 for being arranged on the outside of aeration tank biochemical system 2, by 15 groups of blower fan 16, aerating pipelines 6 and aeration plate Into foregoing blower fan aerating system 11.The gas that blower fan 16 is conveyed is sent to aeration plate 15 by aerating pipelines 6, with entering life Change the sewage inside reactor 20 and make sufficient Air Exposure.Whether specific air quantity is opened by installed in the top of aerating pipelines 6 Stop valve 17 be adjusted, regulated quantity is that the DO values in biochemical reactor are adjusted.And regulating valve can use hand It is dynamic, it would however also be possible to employ automatic regulating valve, the DO values in biochemical reactor are adjusted automatically.
The outlet of overflow mechanism 4 weir gate absolute altitude is less than aeration plate 15 (micropore aeration pipe) 20-100mm, and overflow mechanism 4 is perpendicular Riser block is less than or equal to 100mm apart from the wallboard of biochemical reactor 20 (side wall), in the setting plate and biochemical reaction of overflow mechanism 4 Overflow launder is formed between the wallboard of device 20.
Collect come sanitary sewage be promoted to by sewage pump 1 in water leg 3, when the liquid level of water leg 3 reach it is excessive Flow and uniformly, be slowly flowed into after the import weir gate height of device 4 in the overflow launder of overflow mechanism 4, and enter biochemical anti- In the activated sludge layer for answering the bottom of device 20, according to hydromechanical laminar flow principle, while water inlet, the supernatant in previous cycle Liquid is imported into after effluent trough 7 by the import weir gate of effluent trough 7 and is discharged into clear water reserviors 10, due to entering/bleeding stage is not aerated, Enter/bleeding stage after the completion of, form anaerobic environment in biochemical reactor 20, nitrate of the previous cycle in activated sludge layer/ The COD that nitrite is constantly flowed into the latter cycle is carried out in anti-nitration reaction, the bottom activated sludge layer of biochemical reactor 20 Nitrate anion form anaerobic environment after denitrification, carry out anaerobic phosphorus release.The sequential set according to robot control system(RCS) 14, is entering/is arranging After the completion of water, static a period of time, restart blower fan aerating system 11, by aerating pipelines 6 and then by aeration plate 15 by oxygen Discharge, the DO values in biochemical reactor 20 is maintained at 1.5-4mg/L, the organic matter in biochemical reactor 20 is dropped Solution and aerobic phosphorus absorption.The concentration of the bottom activated sludge of biochemical reactor 20 is determined according to the influent quality of sewage.
During aeration, disturbance of the sewage due to bubble to water can produce certain wave height on liquid level, to prevent during aeration Sewage enters effluent trough 7 and influences effluent quality, then is provided with overflow pipe 8, overflow pipe in the import weir gate side of effluent trough 7 8 center absolute altitude is less than the import weir gate 10-100mm of effluent trough 7, and overflow pipe 8 is connected through magnetic valve 9 with clear water reserviors 10, electromagnetism Valve 9 is uniformly controlled by robot control system(RCS) 14, and magnetic valve 9 is opened in water inlet end, static beginning, enters the clear water in overflow pipe 8 Enter into clear water reserviors 10, starting blower fan 16 while magnetic valve 9 were closed after static 10 minutes carries out aerobic biochemical reaction, prevents Sewage in aeration process is entered in clear water reserviors 10.
The operation robot control system(RCS) 14 of biochemical reactor 20 is controlled, the sort run during cycle, using entering/draining, it is static, expose Gas, leave unused as a cycle of operation.
Clear water reserviors 10 are sterilization pool, and such as sodium hypochlorite disinfection sanitizer is added in operation and carries out sterilizing to water outlet Processing, the draining of clear water reserviors 10 can take gravity drainage or detect that the liquid level of clear water reserviors 10 passes through according to liquid level sensor 13 Efflux pump 12 carries out dynamic drainage.Dynamic drainage is generally used for the forced drainage under landscape pond or winter low temperature, it is therefore an objective to anti- Only outlet conduit is freezed.
In summary, the utility model blower fan aerating system 11 can select many Fans 16, and total blast volume is according to sewage quantity Oxygen content needed for most seasons is selected, and the air quantity per Fans 16 is selected according to water few season.
COD, BOD in sewage can be effectively removed by said apparatus5, TP, TN, ammonia nitrogen etc., make sewage water outlet COD, BOD5, ammonia nitrogen reach GB18918-2012《Urban wastewater treatment firm pollutant emission standard》One-level A standards, while having denitrogenation Phosphor-removing effect.

Claims (9)

1. a kind of low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas, for handling domestic sewage in rural areas, the device is main Include sewage pump, aeration tank biochemical system, clear water reserviors, blower fan aerating system and control foregoing sewage for being uniformly coordinated Elevator pump, aeration tank biochemical system, clear water reserviors, the robot control system(RCS) of blower fan aerating system, the water outlet of the aeration tank biochemical system Enter inside the clear water reserviors, it is characterised in that it is anti-that the aeration tank biochemical system includes multiple biochemistry being set up in parallel Device is answered, a side roof part of each biochemical reactor is equipped with each biochemical reactor and installs the collection that can be interconnected after fixation side by side Tank, is separated with connecting, the water leg receives institute between the water leg per two neighboring biochemical reactor by plate control The sewage of sewage pump offer is stated, the water leg is provided with overflow mechanism in the side of biochemical reactor side wall, often The inside of individual biochemical reactor is provided with aerating pipelines and aeration plate in blower fan aerating system, aerating pipelines and aeration plate and wind Machine aerating system is arranged on the blower fan connection outside the aeration tank biochemical system;The biochemical reactor is in relatively described water leg Side be provided with the effluent trough for being linked to be a groove, import weir gate absolute altitude the entering less than the overflow mechanism of the effluent trough Mouth weir gate 5mm-100mm, the effluent trough directly connects the clear water reserviors.
2. low-energy-consumption high-efficiency according to claim 1 handles the device of domestic sewage in rural areas, it is characterised in that the life Change reactor and an overflow pipe is provided with less than the effluent trough import weir gate, the center absolute altitude of the overflow pipe is less than described The junction of effluent trough import weir gate 10-100mm, the overflow pipe and the clear water reserviors is provided with one and united by the robot control system(RCS) The magnetic valve with closure is opened in one control.
3. low-energy-consumption high-efficiency according to claim 1 handles the device of domestic sewage in rural areas, it is characterised in that described every The inner bottom part of individual biochemical reactor is provided with activated sludge layer.
4. low-energy-consumption high-efficiency according to claim 1 handles the device of domestic sewage in rural areas, it is characterised in that the wind Machine aerating system is from the blower fan of many independent controls, and aerating pipelines in the blower fan aerating system are from the biochemical reactor Top extend into the inside of the biochemical reactor, and with being fixedly mounted on the aeration of the biochemical reactor inner bottom part Disk is connected, and the aeration plate uses microporous aeration disc or microporous pipe, and the aerating pipelines are entering the biochemical reactor The DO values in regulating valve, regulation biochemical reactor are mounted on before.
5. low-energy-consumption high-efficiency according to claim 1 handles the device of domestic sewage in rural areas, it is characterised in that described clear Pond is sterilization pool, and sterilizing is carried out using sodium hypochlorite, and the water outlet of the clear water reserviors uses free-draining or efflux pump Dynamic drainage.
6. low-energy-consumption high-efficiency according to claim 1 handles the device of domestic sewage in rural areas, it is characterised in that the exposure Gas pond biochemical system, clear water reserviors are connected, and underground is embedded in after the thick water-proof heat-insulation layers of 100mm are coated with its outer surface.
7. low-energy-consumption high-efficiency according to claim 1 handles the device of domestic sewage in rural areas, it is characterised in that described to overflow It is the setting plate that a tile height is less than biochemical reactor side wall to flow device, and the top of the setting plate is at least catchmented than described The high 20mm of bottom plate of groove, forms the import weir gate of overflow mechanism, and bottom extends to the bottom of the biochemical reactor, is formed Export weir gate.
8. low-energy-consumption high-efficiency according to claim 7 handles the device of domestic sewage in rural areas, it is characterised in that described to overflow The outlet weir gate absolute altitude for flowing device is less than the aeration plate 20-100mm.
9. low-energy-consumption high-efficiency according to claim 7 handles the device of domestic sewage in rural areas, it is characterised in that described to overflow The setting plate for flowing device is less than or equal to 100mm from biochemical reactor side wall.
CN201720142980.8U 2017-02-17 2017-02-17 Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas Active CN206486404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720142980.8U CN206486404U (en) 2017-02-17 2017-02-17 Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720142980.8U CN206486404U (en) 2017-02-17 2017-02-17 Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas

Publications (1)

Publication Number Publication Date
CN206486404U true CN206486404U (en) 2017-09-12

Family

ID=59764241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720142980.8U Active CN206486404U (en) 2017-02-17 2017-02-17 Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas

Country Status (1)

Country Link
CN (1) CN206486404U (en)

Similar Documents

Publication Publication Date Title
CN204125300U (en) A kind of purification tank for the treatment of dispersion type domestic wastewater
CN102775025B (en) Municipal life wastewater treatment system with high efficiency and low energy consumption
CN102107947A (en) Aeration biological filter chamber facility
CN208791414U (en) A kind of small rural solar-powered thermal circulating sewage processing equipment
CN101817615A (en) Anaerobic-sequencing batch biofilm reactor-artificial wetland method for treating piggery wastewater
CN104556378B (en) The integrated processing system of a kind of domestic sewage in rural areas and technique thereof
CN206308215U (en) A kind of integral domestic sewage treatment device
CN103848535B (en) Multimedium renewable biological filtering method and device
CN113582339A (en) Energy-conserving MBR sewage treatment system
CN103979681A (en) Nitrification/denitrification integrated rural domestic sewage treatment system
CN113880250B (en) Combined purification system for efficiently treating rural domestic sewage
CN208166683U (en) A kind of gravity reflux formula integrated energy-saving sewage treatment device
CN206645889U (en) A kind of integrated equipment for sewage treatment
CN113845271A (en) Resource water purifying device for treating rural domestic sewage and application method thereof
CN203781915U (en) Nitrification and denitrification integrated rural domestic sewage treatment system
CN209352730U (en) A kind of artificial wetland rural sewage processing system
CN107986566A (en) Water conservancy and hydropower environmental project sewage purification treatment equipment
CN107162191A (en) A kind of countryside sewage treatment equipment
CN206486404U (en) Low-energy-consumption high-efficiency handles the device of domestic sewage in rural areas
CN202011812U (en) Integrated equipment for treating high-concentration organic wastewater
CN216005352U (en) Energy-conserving MBR sewage treatment system
CN212982578U (en) Integrated villages and towns sewage treatment system
CN212246689U (en) Rural unconventional water intelligent treatment device
CN208802967U (en) A kind of integration micro energy consumption rural sewage treatment equipment
CN103304098A (en) Volcanic filler-based sewage treatment system of biological aerated filter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant