CN207738599U - Plate type ceramic combined films complete set of equipments - Google Patents

Plate type ceramic combined films complete set of equipments Download PDF

Info

Publication number
CN207738599U
CN207738599U CN201721762831.8U CN201721762831U CN207738599U CN 207738599 U CN207738599 U CN 207738599U CN 201721762831 U CN201721762831 U CN 201721762831U CN 207738599 U CN207738599 U CN 207738599U
Authority
CN
China
Prior art keywords
plate type
type ceramic
membrane module
water
pipe
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.)
Expired - Fee Related
Application number
CN201721762831.8U
Other languages
Chinese (zh)
Inventor
林鹏镛
熊志飞
张佳俊
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.)
JIANGXI MINDA INDUSTRIAL Co Ltd
Original Assignee
JIANGXI MINDA INDUSTRIAL 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 JIANGXI MINDA INDUSTRIAL Co Ltd filed Critical JIANGXI MINDA INDUSTRIAL Co Ltd
Priority to CN201721762831.8U priority Critical patent/CN207738599U/en
Application granted granted Critical
Publication of CN207738599U publication Critical patent/CN207738599U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Biological Treatment Of Waste Water (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The utility model discloses a kind of plate type ceramic combined films complete set of equipments for sewage disposal, it includes the oxygen compatibility pool being sequentially communicated, anaerobic pond and aerobic tank, there is equipment room in aerobic tank side, it is organically combined using biologic treating technique and membrane separation technique, has simultaneous oxygen, anaerobism, aerobic and membrane filtration process, it is filtered to take for traditional biological treatment technology end secondary settling tank with membrane module, aerobic tank activated sludge concentration can reach 8000 ~ 12000mg/L, keep high activity sludge concentration that biological treatment organic loading can be improved in bioreactor, sewage treating efficiency can be effectively improved, to reduce sewage treatment facility floor space, reduce facility investment cost.

Description

Plate type ceramic combined films complete set of equipments
Technical field
The utility model is related to sewage disposal technology and apparatus fields, complete more particularly, to a kind of plate type ceramic combined films Equipment.
Background technology
In China during rapid economic development, environmental pollution phenomenon is also all the more serious, especially water resource environment.Cities and towns Resident living sewage effluent and plant produced sewage effluent gradually aggravate rivers, lake pollution, cause water hypoxia melanism and Eutrophication, it is imperative to sewage effluent handle.
Currently used sewage disposal system is by groups such as traditional anaerobic pond, aeration tank, sedimentation basin, sludge treatment facilities At.Activated sludge concentration about 3000 ~ 4000mg/L in traditional aeration tank, processing relatively low to organic pollutant degradation treatment effeciency The organic pollution of higher concentration needs effective pool volume of bigger, and traditional handicraft pond often makes of armored concrete, Long construction period.Processing equipment need to be placed in autonomous device room, and field device, pipeline and electrical installation work amount are big.Tradition Sewage disposal system takes up a large area, and construction cost is high, from build, structures construction to equipment, pipeline and electrical installation, then to being System carries out commissioning test, finally enters the operation of system normal table, takes a long time to complete.
Utility model content
Sewage disposal technical problem underlying to be solved in the utility model is to provide a kind of plate type ceramic of Highgrade integration Combined films complete set of equipments.
To achieve the above object, the technical solution of the utility model is:A kind of plate type ceramic combined films of Highgrade integration Complete set of equipments, it includes the oxygen compatibility pool, anaerobic pond and aerobic tank being sequentially communicated, and there is equipment room in aerobic tank side.The oxygen compatibility pool Top is equipped with water inlet and is responsible for, and the water inlet supervisor is external to be equipped with flange, is docked with external water inlet pipe, intake main pipe and bottom Water distribution pipe is connected to, and water inlet is evenly distributed in entire bottom of pond by water distribution pipe;Lower part is equipped with sludge reflux water distributor, will The sludge of reflux is evenly distributed in entire bottom of pond, is sufficiently mixed with water inlet;Middle part is equipped with and oxygen biologic packing material, the life of described and oxygen Growth has facultative aerobe and denitrifying bacterium on object filler;Top is equipped with effluent weir, carries out rectification to water outlet and collects, by partition board Multiple water holes enter anaerobic pond;Anaerobic organism filler is equipped in the middle part of the anaerobic pond, being grown on the anaerobic organism filler has Anaerobic bacteria;Lower part is equipped with diving mixer, and the diving mixer blade makes bottom of pond water to diagonal flow and carry out towards diagonally Stirring, avoids dead angle and short stream;The aerobic tank bottom is equipped with aerator, and the aerator is by boring aeration pipe, gas supply Pipe network and adjustable support are constituted, and are connect with air blower by pipeline and valve, and aeration oxygen supply is carried out to activated sludge in pond;Bottom Portion rear end is equipped with plate type ceramic and combines membrane module, and the plate type ceramic combination membrane module is immersed in sewage, and lower part aeration washes away Pipe is connect by pipeline and valve with air blower, and top outlet pipe is connect by pipeline and valve with self-priming production unit fixed on water pump suction, The plate type ceramic combination membrane module uses planar ceramic membrane piece, and the strength of materials is high, can bear high intensity backwash, backwash Time is short, and film energy resume speed is fast;Lower part is equipped with sludge reflux pump, outlet conduit and the sludge reflux water distributor in oxygen compatibility pool Connection, by the sludge reflux in aerobic tank to oxygen compatibility pool;Top is equipped with fluid level controller, and the fluid level controller is in aerobic tank height Start self-priming production water pump when liquid level, stop self-priming production water pump in low liquid level, prevents liquid level from declining exposing film group and enter sky Gas and cause to produce the not upper water of Pump Suction;Air blower, the anti-cleaning device of membrane module dosing, self-priming production water are equipped in the equipment room Pump, electromagnetic flowmeter, ultraviolet ray disinfector, electric control system, the air blower gas outlet are filled by supplying supervisor with aeration It sets, plate type ceramic combination membrane module connection, aerator provides oxygen to active sludge microorganism, and plate type ceramic combines membrane module Lower part air supply pipe carries out aeration to diaphragm and washes away, and prevents sludge from hanging on diaphragm and results in blockage;The membrane module dosing is counter to clean Device includes that metering dosing pump, electrical ball valve one, electrical ball valve two and electric contact pressure vacuum gauge, the metering dosing pump pass through Chemical feed pipe connects with electrical ball valve one and combines the connection of membrane module outlet pipe with plate type ceramic, and the plate type ceramic combines membrane module Electrical ball valve two and electric contact pressure vacuum gauge are installed on outlet conduit, have hypochlorous acid in the anti-cleaning device of membrane module dosing Sodium solution, when electric contact pressure vacuum gauge is not up to the vacuum pressure value set, electrical ball valve one is closed, and electrical ball valve two is opened It opens, self-priming production water pump normal operation, when electric contact pressure vacuum gauge reaches the vacuum pressure value of setting, self-priming production water pump Out of service, electrical ball valve one is opened, and electrical ball valve two is closed;It measures dosing pump and opens operation, to plate type ceramic combined films group Part carries out that dosing is counter cleans, and membrane module carries out dosing instead after the completion of cleaning, and metering dosing pump is out of service, and electrical ball valve one closes It closes, electrical ball valve two is opened, and electric contact pressure vacuum gauge is not up to the vacuum pressure value set, and self-priming production water pump is normally transported Row is controlled by this rule and is run;The self-priming production pump intake combines membrane module with plate type ceramic by pipeline, valve and goes out Water pipe connects, and under the action of self-priming production water pump, plate type ceramic combines membrane module diaphragm hollow cavity and forms negative pressure, after purification Sewage be filtered through board-like ceramic combination diaphragm hollow cavity, the self-priming production pump outlet passes through pipeline, valve Door is connect with electromagnetic flowmeter, ultraviolet ray disinfector, is shown flow control valve by electromagnetic flowmeter, is controlled self-priming production water The sewage of pumping reaches treating capacity requirement, and sewage enters ultraviolet ray disinfector and carries out disinfection processing, is discharged after sterile-processed It is connect with external outlet pipe using flanged joint form by pipeline;The electric control system passes through electric wire and sludge reflux Pump, fluid level controller, air blower, the anti-cleaning device of membrane module dosing, self-priming production water pump, electromagnetic flowmeter, disinfection by ultraviolet light Device connects, and is equipped with electrical control component and PLC control modules in the electric control system cabinet, PLC control modules are deposited There is equipment automatic running control software in reservoir, each equipment automatic running is controlled by automatic running control software.
The utility model has the beneficial effects that:The plate type ceramic combined films complete set of equipments has simultaneous oxygen, anaerobism, aerobic and film Filtering technique is organically combined using biologic treating technique and membrane separation technique, is filtered to take with membrane module and is handled skill for traditional biological Art end secondary settling tank, aerobic tank activated sludge concentration can reach 8000 ~ 12000mg/L, keep high activity dirty in bioreactor Biological treatment organic loading can be improved in mud concentration, can effectively improve sewage treating efficiency, takes up an area to reduce sewage treatment facility Area reduces facility investment cost.
Aerobic tank can retain generation cycle longer microorganism, it can be achieved that sewage in the effective crown_interception of membrane module Deep purifying processing, Simultaneous Nitrification bacterium can fully breed in system, and nitrification effect is apparent, and sludge reflux to oxygen compatibility pool carries out Denitrification processing, can carry out deep phosphorous removal denitrogenation processing.
The plate type ceramic combined films complete set of equipments is high with treatment effeciency, resistance to overload shock ability is strong, effluent quality is good;If For compact, floor space is small;It can be achieved to automatically control, the features such as operational management is simple.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model;
Fig. 2 is the utility model structural plan schematic diagram;
Fig. 3 is the utility model structural facades schematic diagram;
Fig. 4 is example structure schematic diagram.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and embodiments.
Embodiment
As shown in Fig. 1 ~ 4, a kind of plate type ceramic combined films complete set of equipments is provided in the utility model embodiment, it is wrapped Include the oxygen compatibility pool being sequentially communicated(1), anaerobic pond(2)And aerobic tank(3), there is equipment room in aerobic tank side(4);The oxygen compatibility pool (1)Top is equipped with water inlet and is responsible for(11), bottom is equipped with water distribution pipe(12)And it is responsible for water inlet(11)Connection, lower part are equipped with dirt Mud reflux water distributor(13), middle part is equipped with and oxygen biologic packing material(14), described and oxygen biologic packing material(14)Upper growth has facultative aerobe And denitrifying bacterium, top are equipped with effluent weir(15);The anaerobic pond(2)Middle part is equipped with anaerobic organism filler(21), the anaerobism Biologic packing material(21)Upper growth has anaerobic bacteria, lower part to be equipped with diving mixer(22);The aerobic tank(3)Bottom is equipped with aeration and fills It sets(31), the aerator(31)Be made of boring aeration pipe, gas transmission pipeline net work and adjustable support, and by pipeline and valve with Air blower(41)Connection, bottom rear end are equipped with plate type ceramic and combine membrane module(32), the plate type ceramic combination membrane module(32) Lower part aeration flush pipe passes through pipeline and valve and air blower(41)Connection, top outlet pipe by pipeline and valve with it is self-priming Produce water pump(43)Import connects, and lower part is equipped with sludge reflux pump(33), outlet conduit and oxygen compatibility pool(1)Interior sludge reflux water distribution Pipe(13)Connection, top are equipped with fluid level controller(34);The equipment room(4)It is interior to be equipped with air blower(41), membrane module dosing it is anti- Cleaning device(42), self-priming production water pump(43), electromagnetic flowmeter(44), ultraviolet ray disinfector(45), electric control system (46), the anti-cleaning device of membrane module dosing(42)Including measuring dosing pump(421), electrical ball valve one(422), electrical ball valve Two(423)With electric contact pressure vacuum gauge(424), the metering dosing pump(421)Pass through chemical feed pipe and electrical ball valve one(422) It connects and combines membrane module with plate type ceramic(32)Outlet pipe connects, and the plate type ceramic combines membrane module(32)On outlet conduit Electrical ball valve two is installed(423)With electric contact pressure vacuum gauge(424), the self-priming production water pump(43)Water outlet passes through pipe Road, valve and electromagnetic flowmeter(44), ultraviolet ray disinfector(45)Connection, the electric control system(46)It is equipped in cabinet Electrical control component and PLC control modules, pass through electric wire and sludge reflux pump(33), fluid level controller(34), air blower (41), the anti-cleaning device of membrane module dosing(42), self-priming production water pump(43), electromagnetic flowmeter(44), ultraviolet ray disinfector (45)It connects, has equipment automatic running control software in PLC control module memories, by automatic running control software to respectively setting Standby automatic running is controlled.
In the present embodiment, it is powered to electric control system, is run by the switch button starting device on cabinet, it is dirty Water enters the oxygen compatibility pool in the plate type ceramic combined films complete set of equipments after leading portion pre-processes by water pump lifting, and promotion pumps out Water inlet is evenly distributed in entire bottom of pond, sewage liter by water pipe by flange and water inlet supervisor's connection, then by water distribution pipe During stream with and oxygen biologic packing material on simultaneous oxygen and anaerobism bacteria microorganism come into full contact with, organic pollution is tentatively dropped Solution, effluent weir carry out rectification to water outlet and collect, and enter anaerobic pond by multiple water holes on partition board;Anaerobic pond sewage to flow down It comes into full contact with, degrades to organic pollution, and will divide greatly with the anaerobism bacteria microorganism on anaerobic organism filler during dynamic Sub- organic matter resolves into small organic molecule, is conducive to follow-up aerobic degradation and handles, and the diving mixer blade makes towards diagonally Bottom of pond water is to diagonal flow and is stirred, and avoids dead angle and short stream, multiple water holes that anaerobic pond sewage passes through partition board bottom Into aerobic tank;The aerobic tank flow is to be thoroughly mixed formula, bottom aerator under the effect of air blower gas supply to sewage into Row oxygenation, using the high concentration aerobic activated sludge microorganism in pond using the organic pollution in sewage as activated sludge itself The nutrition of breeding and the removal that is degraded can retain generation cycle longer microorganism in the effective crown_interception of membrane module, can be real Now to deep purification of waste water processing, Simultaneous Nitrification bacterium can fully breed in system, and nitrification effect is apparent, and sludge reflux is to simultaneous Oxygen pond carries out denitrification processing, can carry out deep phosphorous removal denitrogenation processing;The plate type ceramic combination membrane module is immersed in sewage, Self-priming production pump intake combines the connection of membrane module outlet pipe by pipeline, valve with plate type ceramic, in self-priming production water pump Under the action of, plate type ceramic combines membrane module diaphragm hollow cavity and forms negative pressure, and purified sewage penetrates board-like ceramic combination Diaphragm hollow cavity is filtered, and self-priming production pump outlet passes through pipeline, valve and electromagnetic flowmeter, ultraviolet ray disinfector Connection shows flow control valve by electromagnetic flowmeter, and the sewage for controlling self-priming production water pump suction reaches treating capacity requirement, Sewage enters ultraviolet ray disinfector and carries out disinfection processing, it is sterile-processed after water outlet by pipeline, using flanged joint form with External outlet pipe connection, sewage enter sampled well and are discharged;It is empty using compression that plate type ceramic combines membrane module lower part air supply pipe Gas carries out aeration to diaphragm and washes away, and prevents sludge from hanging on diaphragm and results in blockage;It is used for equipped with fluid level controller at the top of aerobic tank Liquid level is controlled, prevents liquid level from declining exposing film group and enters air and cause to produce the not upper water of the hollow aspiration of water pump;Plate type ceramic combines Water yield declines into membrane module recoil using the anti-cleaning device of membrane module dosing clear after membrane module operation a period of time It washes, reaches water-yielding capacity to restore membrane module flux;Be equipped in the electric control system cabinet electrical control component and PLC control modules, by electric wire and fluid level controller, sludge reflux pump, self-priming production water pump, membrane module dosing is counter cleans dress It sets, the connection of air blower, electromagnetic flowmeter, ultraviolet ray disinfector, has the control of equipment automatic running soft in PLC control module memories Part controls each equipment automatic running.
In conclusion the utility model plate type ceramic combined films complete set of equipments has simultaneous oxygen, anaerobism, aerobic and membrane filtration work Skill, with treatment effeciency is high, resistance to overload shock ability is strong, effluent quality is good;Facility compact, floor space are small;It can be achieved automatic Control, the features such as operational management is simple.

Claims (4)

1. plate type ceramic combined films complete set of equipments, it is characterised in that:It includes the oxygen compatibility pool being sequentially communicated(1), anaerobic pond(2)And Aerobic tank(3), there is equipment room in aerobic tank side(4);The oxygen compatibility pool(1)Top is equipped with water inlet and is responsible for(11), bottom be equipped with into Water cloth water pipe(12)And it is responsible for water inlet(11)Connection, lower part are equipped with sludge reflux water distributor(13), middle part is equipped with and oxygen biology Filler(14), described and oxygen biologic packing material(14)Upper growth has facultative aerobe and denitrifying bacterium, top to be equipped with effluent weir(15);It is described Anaerobic pond(2)Middle part is equipped with anaerobic organism filler(21), the anaerobic organism filler(21)Upper growth has anaerobic bacteria, lower part to be equipped with Diving mixer(22);The aerobic tank(3)Bottom is equipped with aerator(31), the aerator(31)By boring aeration Pipe, gas transmission pipeline net work and adjustable support are constituted, and pass through pipeline and valve and air blower(41)Connection;Bottom rear end is equipped with board-like pottery Porcelain combines membrane module(32), the plate type ceramic combination membrane module(32)Lower part aeration flush pipe passes through pipeline and valve and air blast Machine(41)Connection, top outlet pipe pass through pipeline and valve and self-priming production water pump(43)Import connects, and lower part is returned equipped with sludge Stream pump(33), outlet conduit and oxygen compatibility pool(1)Interior sludge reflux water distributor(13)Connection, top are equipped with fluid level controller (34);The equipment room(4)It is interior to be equipped with air blower(41), the anti-cleaning device of membrane module dosing(42), self-priming production water pump(43)、 Electromagnetic flowmeter(44), ultraviolet ray disinfector(45), electric control system(46), described to have air blower(41)Pass through pipeline and valve Door and aerator(31), plate type ceramic combine membrane module(32)Connection, the anti-cleaning device of membrane module dosing(42)Including Measure dosing pump(421), electrical ball valve one(422), electrical ball valve two(423)With electric contact pressure vacuum gauge(424), the meter Measure dosing pump(421)Pass through chemical feed pipe and electrical ball valve one(422)It connects and combines membrane module with plate type ceramic(32)Outlet pipe Connection, the plate type ceramic combine membrane module(32)Electrical ball valve two is installed on outlet conduit(423)With electric contact vacuum pressure Table(424), the self-priming production water pump(43)Water outlet passes through pipeline, valve and electromagnetic flowmeter(44), ultraviolet ray disinfector (45)Connection, the electric control system(46)Pass through electric wire and sludge reflux pump(33), fluid level controller(34), air blower (41), the anti-cleaning device of membrane module dosing(42), self-priming production water pump(43), electromagnetic flowmeter(44), ultraviolet ray disinfector (45)Connection.
2. plate type ceramic combined films complete set of equipments as described in claim 1, it is characterised in that:The water distribution pipe(12)It adopts With ramification water distribution manner;The sludge reflux water distributor(13)Using annular water distribution manner;The aerator(31)Using Annular gas distribution mode, boring aeration pipe outlet mouth down and at an angle.
3. plate type ceramic combined films complete set of equipments as described in claim 1, it is characterised in that:The electric control system(46) PLC control modules are installed in cabinet, there is equipment automatic running control software in PLC control module memories.
4. plate type ceramic combined films complete set of equipments as described in claim 1, it is characterised in that:The equipment room(4)Interior wall There is sound insulation sound-absorbing facility;The air blower(41)Using vibration damping mounting means, vibration and noise reducing requirement is run to meet equipment;It is described Equipment room(4)Lower part is equipped with inlet channel, and top is equipped with exhaust outlet, using axial flow blower air draft, reaches air blower operation heat dissipation It is required that.
CN201721762831.8U 2017-12-18 2017-12-18 Plate type ceramic combined films complete set of equipments Expired - Fee Related CN207738599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721762831.8U CN207738599U (en) 2017-12-18 2017-12-18 Plate type ceramic combined films complete set of equipments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721762831.8U CN207738599U (en) 2017-12-18 2017-12-18 Plate type ceramic combined films complete set of equipments

Publications (1)

Publication Number Publication Date
CN207738599U true CN207738599U (en) 2018-08-17

Family

ID=63118231

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721762831.8U Expired - Fee Related CN207738599U (en) 2017-12-18 2017-12-18 Plate type ceramic combined films complete set of equipments

Country Status (1)

Country Link
CN (1) CN207738599U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109912035A (en) * 2019-04-22 2019-06-21 惠州市合新科技有限公司 And the method for oxygen-Characteristics of Anaerobic-aerobic Biological Filter integrated system and its processing sewage
CN110642386A (en) * 2019-10-29 2020-01-03 福建师范大学 On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device
CN110642387A (en) * 2019-10-29 2020-01-03 福建师范大学 A method for treating rare earth ammonia nitrogen wastewater based on microorganisms in a vehicle-mounted treatment system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109912035A (en) * 2019-04-22 2019-06-21 惠州市合新科技有限公司 And the method for oxygen-Characteristics of Anaerobic-aerobic Biological Filter integrated system and its processing sewage
CN110642386A (en) * 2019-10-29 2020-01-03 福建师范大学 On-vehicle microbial treatment tombarthite ammonia nitrogen waste water device
CN110642387A (en) * 2019-10-29 2020-01-03 福建师范大学 A method for treating rare earth ammonia nitrogen wastewater based on microorganisms in a vehicle-mounted treatment system
CN110642387B (en) * 2019-10-29 2022-05-03 福建师范大学 A method for treating rare earth ammonia nitrogen wastewater based on microorganisms in a vehicle-mounted treatment system
CN110642386B (en) * 2019-10-29 2024-09-24 福建师范大学 Vehicle-mounted microorganism treatment device for rare earth ammonia nitrogen wastewater

Similar Documents

Publication Publication Date Title
CN207175705U (en) Unattended sanitary sewage disposal and reusing integral equipment
CN101024534A (en) Biological electrochemical combined system for treating dye waste water and method thereof
CN207738599U (en) Plate type ceramic combined films complete set of equipments
CN201834830U (en) Integrated sewage treatment device
CN113582339A (en) Energy-conserving MBR sewage treatment system
CN117623557A (en) Sewage treatment device and method
CN201660524U (en) Small and medium-sized domestic sewage modular high-efficiency terminal treatment device
CN111138029A (en) A decentralized rural sewage treatment device
CN206607071U (en) A kind of sewage treatment unit based on water treatment agent and ceramic membrane
CN210796140U (en) Domestic sewage treatment device
CN210764843U (en) Rural sewage treatment plant
CN211198935U (en) Multifunctional sewage treatment device
CN101830607A (en) Alternate two-stage aerobic membrane bioreactor
CN210559663U (en) Hood-driven aerobic reaction sewage treatment device
CN205313324U (en) AMBR integration sewage treatment device
CN210237246U (en) Integrated membrane bioreactor
CN201268647Y (en) Small-sized domestic sewage processing system
CN216005352U (en) Energy-conserving MBR sewage treatment system
CN212425798U (en) Integrated sewage treatment device
CN205347127U (en) A2O -MBR integrative sewage treatment device
CN211734119U (en) Aeration and reflux integrated sewage treatment equipment
CN205443003U (en) Novel sewage treatment device
CN205603432U (en) Domestic sewage's integration treatment device
CN205170484U (en) Bological aerated filter device that easily starts
CN203922937U (en) A kind of low power consuming integrative water purifying device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180817

Termination date: 20211218