CN108773948A - A kind of environment protection sewage highly effective and safe controlling device - Google Patents

A kind of environment protection sewage highly effective and safe controlling device Download PDF

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Publication number
CN108773948A
CN108773948A CN201810592187.7A CN201810592187A CN108773948A CN 108773948 A CN108773948 A CN 108773948A CN 201810592187 A CN201810592187 A CN 201810592187A CN 108773948 A CN108773948 A CN 108773948A
Authority
CN
China
Prior art keywords
sedimentation basin
pipe
highly effective
environment protection
controlling device
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.)
Pending
Application number
CN201810592187.7A
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Chinese (zh)
Inventor
廖凤琼
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.)
Foshan Shunde District Only Industrial Design Co Ltd
Original Assignee
Foshan Shunde District Only Industrial Design 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 Foshan Shunde District Only Industrial Design Co Ltd filed Critical Foshan Shunde District Only Industrial Design Co Ltd
Priority to CN201810592187.7A priority Critical patent/CN108773948A/en
Publication of CN108773948A publication Critical patent/CN108773948A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00Multistage treatment of water, waste water or sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/001Processes for the treatment of water whereby the filtration technique is of importance
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/283Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/32Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F2001/007Processes including a sedimentation step
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/04Disinfection

Abstract

The invention discloses a kind of environment protection sewage highly effective and safe controlling devices, including water inlet pipe, first sedimentation basin, filter plate, overflow object block, outlet pipe, spray disk, aerator, high-pressure nozzle and blow-off pipe, the first sedimentation basin top is equipped with water inlet pipe, first sedimentation basin middle part of sliding channel is equipped with floating material discharge pipe, first sedimentation basin bottom end is by connecting water pipe and the second sedimentation basin, second sedimentation basin top also is provided with medicament adding tube, second sedimentation basin upper end side wall is equipped with outlet pipe, activated charcoal is equipped in first sedimentation basin, first sedimentation basin bottom end is equipped with blow-off pipe, aerator is connect by appendix with spray disk, it sprays disk and the first sedimentation basin inner bottom is set, gas transmission branch pipe is connect with appendix, gas transmission branch outlet end is equipped with high-pressure nozzle.The present invention is classified fractional precipitation and ensures its effect, improves working efficiency, simple in structure, of low cost, easy to use, is conducive to promote.

Description

A kind of environment protection sewage highly effective and safe controlling device
Technical field
The present invention relates to a kind of environmental protection equipment, specifically a kind of environment protection sewage highly effective and safe controlling device.
Background technology
Environmental pollution can cause directly to destroy and influence to the ecosystem, such as desertification, forest deterioration, can also give ecology System and human society cause indirectly to endanger, and the hazard ratio of sometimes this indirect environmental effect directly endangered caused by that time Bigger is also more difficult to eliminate.Wherein water pollution is that most important one is a part of, and sanitary sewage occupies wherein important ratio in water pollution Example, sanitary sewage is mainly the various detergent used in urban life and sewage, rubbish, excrement etc., and mostly nontoxic is inorganic Salt, phosphorous equal organic matters in sanitary sewage, pathogenic bacteria is more, is discharged to the life that fishes and shrimps are influenced in river, and pathogen pollution needs Oxygen organic pollutes, and eutrophication pollution etc. can cause fishes and shrimps completely annihilated when serious, causes its ecosystem to collapse, seriously affects Ecological environment.Sanitary sewage is largely the place discharge by densely populated places such as cities and towns, and in processing, it is heavy that sewage is uniformly passed through It is reacted in drop pond and a large amount of solid waste for being settled, but being mixed in municipal wastewater can influence effect of settling, and heavy Sewage surface can form floating nitride layer after the completion of drop, it is difficult to be cleared up, while solid waste is deposited in pool bottom and also needs A large amount of manpower is wasted to be cleared up.
Invention content
The purpose of the present invention is to provide a kind of environment protection sewage highly effective and safe controlling devices, to solve in above-mentioned background technology The problem of proposition.
To achieve the above object, the present invention provides the following technical solutions:
A kind of environment protection sewage highly effective and safe controlling device, including water inlet pipe, the first sedimentation basin, reverse osmosis membrane, booster pump, ultraviolet light Light lamp, the second sedimentation basin, outlet pipe, aerator and blow-off pipe, the first sedimentation basin side wall are connected to water inlet pipe, water inlet pipe On be provided tiltedly with grid, the first sedimentation basin bottom end is equipped with air bag, and ultraviolet lamp, the first sedimentation basin side are installed in the first sedimentation basin Wall is equipped with medicament adding tube, and the first sedimentation basin middle part of sliding channel is equipped with floating material discharge pipe, and the first sedimentation basin bottom end is by connecting water Pipe and the second sedimentation basin, the second sedimentation basin top also are provided with medicament adding tube, heater and ionization bar are installed in the first sedimentation basin, It is equipped with motor, motor output shaft and stirring axis connection in first sedimentation basin, multigroup agitator arm, the second precipitation are installed on agitating shaft Bottom of pond end is connected by return duct, and the second sedimentation basin upper end side wall is equipped with outlet pipe, and position is equipped with reverse osmosis between the second sedimentation basin Permeable membrane, the second sedimentation basin bottom side of the wall install booster pump, are equipped with activated charcoal in the first sedimentation basin, the first sedimentation basin side wall is equipped with Timer, the first sedimentation basin bottom end cone setting, the first sedimentation basin bottom end are equipped with blow-off pipe, and blow-off pipe is equipped with control valve, Aerator is connect by appendix with spray disk, and the first sedimentation basin inner bottom is arranged in spray disk, and gas transmission branch pipe is connect with appendix, defeated Gas branch pipe outlet end is equipped with high-pressure nozzle, and two on high-pressure nozzle, high-pressure nozzle is arranged in the both sides of conical bottom end side wall.
As a further solution of the present invention:The activated charcoal is detachably connected with sedimentation basin.
As further scheme of the invention:The built-in active charcoal of the activated charcoal.
As further scheme of the invention:Water strainer is equipped in the connection water pipe.
As further scheme of the invention:The outlet pipe and the second sedimentation basin junction is equipped with strainer.
As further scheme of the invention:The medicament adding tube is equipped with scale.
As further scheme of the invention:The spray dish opening is set up, and Open Side Down for high-pressure nozzle.
Compared with prior art, the beneficial effects of the invention are as follows:Sewage of the present invention enters sedimentation basin, filter plate by water inlet pipe Solid refuse etc. in sewage is stopped, is risen by the Oujiang River filter plate one end after a period of time, solid refuse is arranged from solid refuse Outlet pipe is discharged, and is added after addition suitable medicament assists the impurity in sewage to be coagulated together in sedimentation basin in bobbin carriage and is sunk by medicament Form sediment, activated charcoal adsorb water in suspended contamination, the timer record working time, by aerator and with nozzle to wherein into Row inflation makes Organic substance in water oxygenolysis, is precipitated after the completion of aeration, the height for the object block that overflows is adjusted by rotating wheel, is ensured Sewage level is flushed with floating material discharge pipe, ensures that floating material is discharged from floating material discharge pipe in sewage, primary sedimentation filtering Clear water enters the second sedimentation basin by connecting water pipe, adds medicament herein and carries out precipitation separation, fractional precipitation ensures its effect, carries High working efficiency, strainer reinforces filtering, while being convenient for changing and cleaning, by opening high-pressure nozzle and gas transmission branch pipe to sedimentation basin Bottom surface is rinsed, and avoids bottom surface accumulation of mud, simple in structure, easy to use, is conducive to promote.
Description of the drawings
Fig. 1 is the structural schematic diagram of environment protection sewage highly effective and safe controlling device.
Fig. 2 is the structural schematic diagram that disk is sprayed in environment protection sewage highly effective and safe controlling device.
Fig. 3 is the structural schematic diagram of agitator arm in environment protection sewage highly effective and safe controlling device.
In figure:1, water inlet pipe, the 2, first sedimentation basin, 3, grid, 4, air bag, 5, reverse osmosis membrane, 6, booster pump, 7, drainage Net, 8, ultraviolet lamp, 9, medicament adding tube, 10, floating material discharge pipe, 11, connection water pipe, the 12, second sedimentation basin, 13, go out Water pipe, 14, strainer, 15, timer, 16, activated charcoal, 17, spray disk, 18, aerator, 19, appendix, 20, high-pressure nozzle, 21, gas transmission branch pipe, 22, blow-off pipe, 23, heater, 24, motor, 25, agitating shaft, 26, agitator arm, 27, ionization bar, 28, return Flow tube, 29, wire casing, 30, handle.
Specific implementation mode
The technical solution of this patent is described in more detail With reference to embodiment.
Please refer to Fig.1-3, a kind of environment protection sewage highly effective and safe controlling device, including water inlet pipe 1, the first sedimentation basin 2, reverse osmosis Permeable membrane 5, booster pump 6, ultraviolet lamp 8, the second sedimentation basin 12, outlet pipe 13, aerator 18 and blow-off pipe 22, described first 2 side wall of sedimentation basin is connected to water inlet pipe 1, and grid 3 is provided tiltedly on water inlet pipe 1, and grid 3 will enter the large granular impurity in sewage Stop, 2 bottom end of the first sedimentation basin be equipped with air bag 4, by air bag 4 inflate deflate, control discharge water number, control sewage The height of liquid level when processing facilitates improvement, ultraviolet lamp 8 is installed in the first sedimentation basin 2, by ultraviolet lamp 8 to sewage Carry out disinfection sterilization, avoids the breed and spread of harmful bacteria, ensures that safety, 2 side wall of the first sedimentation basin are added equipped with medicament Pipe 9,2 middle part of sliding channel of the first sedimentation basin are equipped with floating material discharge pipe 10, and 2 bottom end of the first sedimentation basin is by connecting water pipe 11 and second Sedimentation basin 12,12 top of the second sedimentation basin also are provided with medicament adding tube 9, are added in bobbin carriage by medicament and are added properly in sedimentation basin Impurity in medicament auxiliary sewage precipitates after being coagulated together, and activated charcoal adsorbs the suspended contamination in water, timer record Working time, connection water pipe 11 is interior to be equipped with water strainer 7, and water strainer 7 stops colloid, the flocculate etc. in sewage, and first is heavy Installation heater 23 and ionization bar 27 in shallow lake pond 2, heater 23 ensure that sewage is handled in suitable temperature, improve work and inhale Power, ionization bar 27 facilitate the processing that the heavy metal ion releasing in sewage is facilitated to sewage, motor are equipped in the first sedimentation basin 2 24,24 output shaft of motor is connect with agitating shaft 25, and multigroup agitator arm 26 is installed on agitating shaft 25, is driven and is stirred by motor 24 Axis 25 and agitator arm 26 are stirred sewage, improve the rate of sewage disposal, and 12 bottom end of the second sedimentation basin passes through return duct 28 connections, return duct 28 will continue in the layering sewage backflow to the first sedimentation basin 2 of secondary precipitation in second sedimentation basin 12, Second sedimentation basin, 12 upper end side wall is equipped with outlet pipe 13, and outlet pipe 13 and 12 junction of the second sedimentation basin are equipped with strainer 14, and second Position is equipped with reverse osmosis membrane 5 between sedimentation basin 12, and 12 bottom side of the wall of the second sedimentation basin installs booster pump 6, by booster pump 6 to the Two sedimentation basins, 12 lower section water is pressurized, and by reverse osmosis membrane 5, the impurity by molecular number therein more than 100 all filters water, Ensure the health of water process, is equipped with activated charcoal 16 in the first sedimentation basin 2, activated charcoal 16 detachably connects with the first sedimentation basin 2 It connects, the built-in active charcoal of activated charcoal 16,2 side wall of the first sedimentation basin is equipped with timer 15,2 bottom end of the first sedimentation basin cone Setting, 2 bottom end of the first sedimentation basin be equipped with blow-off pipe 22, blow-off pipe 22 be equipped with control valve, aerator 18 by appendix 19 with It sprays disk 17 to connect, 2 inner bottom of the first sedimentation basin is arranged in spray disk 17, and spray 17 opening upwards of disk setting passes through aerator and and spray Head makes Organic substance in water oxygenolysis, is precipitated after the completion of aeration, gas transmission branch pipe 21 connects with appendix 19 to being wherein inflated It connects, 21 outlet end of gas transmission branch pipe is equipped with high-pressure nozzle 20, and two on high-pressure nozzle 20, high-pressure nozzle 20 is arranged in conical bottom end The both sides of side wall, Open Side Down for high-pressure nozzle 20, is rinsed to sedimentation basin bottom surface by opening high-pressure nozzle and gas transmission branch pipe, Avoid bottom surface accumulation of mud.
The present invention operation principle be:Grid 3 of the present invention stops the large granular impurity entered in sewage, by air bag 4 inflation deflate, control discharge water number, control sewage disposal when liquid level height, facilitate improvement, pass through ultraviolet lamp 8 pairs of sewage carry out disinfection sterilization, avoid the breed and spread of harmful bacteria, ensure safety, are added in bobbin carriage and are sunk by medicament It adds after the impurity in suitable medicament auxiliary sewage is coagulated together and precipitates in the pond of shallow lake, the suspended matter that activated charcoal adsorbs in water is miscellaneous Matter, timer record working time, heater 23 ensure that sewage is handled in suitable temperature, improve work suction, ionization Stick 27 facilitates the processing that the heavy metal ion releasing in sewage is facilitated to sewage, and agitating shaft 25 and stirring are driven by motor 24 Impeller 26 is stirred sewage, improves the rate of sewage disposal, by aerator and with nozzle to being wherein inflated, makes water Middle oxidation operation decomposes, and is precipitated after the completion of aeration, and the height for the object block that overflows is adjusted by rotating wheel, ensures sewage level and drift Float discharge pipe flushes, and ensures that floating material is discharged from floating material discharge pipe in sewage, the clear water of primary sedimentation filtering passes through connection Water pipe enters the second sedimentation basin, is pressurized to 12 lower section water of the second sedimentation basin by booster pump 6, and water, will by reverse osmosis membrane 5 Impurity of the molecular number therein more than 100 all filters, and ensures the health of water process, and return duct 28 is by the second sedimentation basin 12 two It being continued in the layering sewage backflow of secondary precipitation to the first sedimentation basin 2, fractional precipitation ensures its effect, improves working efficiency, Strainer reinforces filtering, while being convenient for changing and cleaning, and is rushed to sedimentation basin bottom surface by opening high-pressure nozzle and gas transmission branch pipe It washes, avoids bottom surface accumulation of mud.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party Formula, one skilled in the relevant art within the scope of knowledge, can also be under the premise of not departing from this patent objective It makes a variety of changes.

Claims (7)

1. a kind of environment protection sewage highly effective and safe controlling device, including it is water inlet pipe, the first sedimentation basin, reverse osmosis membrane, booster pump, ultraviolet Linear light lamp, the second sedimentation basin, outlet pipe, aerator and blow-off pipe, which is characterized in that the first sedimentation basin side wall and water inlet Pipe is connected to, and grid is provided tiltedly on water inlet pipe, and the first sedimentation basin bottom end is equipped with air bag, ultraviolet is installed in the first sedimentation basin Lamp, the first sedimentation basin side wall are equipped with medicament adding tube, and the first sedimentation basin middle part of sliding channel is equipped with floating material discharge pipe, the first sedimentation basin Bottom end also is provided with medicament adding tube, is installed in the first sedimentation basin by connecting water pipe and the second sedimentation basin, the second sedimentation basin top Heater and ionization bar, the first sedimentation basin is interior to be equipped with motor, motor output shaft and stirring axis connection, and multigroup stir is installed on agitating shaft Mix impeller, the second sedimentation basin bottom end is connected by return duct, the second sedimentation basin upper end side wall be equipped with outlet pipe, the second sedimentation basin it Meta position has installed reverse osmosis membrane, and the second sedimentation basin bottom side of the wall installs booster pump, is equipped with activated charcoal in the first sedimentation basin, and first Sedimentation basin side wall is equipped with timer, and the first sedimentation basin bottom end cone setting, the first sedimentation basin bottom end is equipped with blow-off pipe, blowdown Pipe is equipped with control valve, and aerator is connect by appendix with spray disk, and the first sedimentation basin inner bottom, gas transmission branch is arranged in spray disk Pipe connect with appendix, and gas transmission branch outlet end is equipped with high-pressure nozzle, and two on high-pressure nozzle, high-pressure nozzle setting is in cone The both sides of bottom end side wall.
2. environment protection sewage highly effective and safe controlling device according to claim 1, which is characterized in that the activated charcoal with Sedimentation basin is detachably connected.
3. environment protection sewage highly effective and safe controlling device according to claim 1, which is characterized in that in the activated charcoal Equipped with activated carbon.
4. environment protection sewage highly effective and safe controlling device according to claim 1, which is characterized in that in the connection water pipe Equipped with water strainer.
5. environment protection sewage highly effective and safe controlling device according to claim 1, which is characterized in that the outlet pipe and Two sedimentation basin junctions are equipped with strainer.
6. environment protection sewage highly effective and safe controlling device according to claim 1, which is characterized in that the medicament adding tube It is equipped with scale.
7. environment protection sewage highly effective and safe controlling device according to claim 1, which is characterized in that the spray dish opening to Upper setting, Open Side Down for high-pressure nozzle.
CN201810592187.7A 2018-06-11 2018-06-11 A kind of environment protection sewage highly effective and safe controlling device Pending CN108773948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810592187.7A CN108773948A (en) 2018-06-11 2018-06-11 A kind of environment protection sewage highly effective and safe controlling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810592187.7A CN108773948A (en) 2018-06-11 2018-06-11 A kind of environment protection sewage highly effective and safe controlling device

Publications (1)

Publication Number Publication Date
CN108773948A true CN108773948A (en) 2018-11-09

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CN201810592187.7A Pending CN108773948A (en) 2018-06-11 2018-06-11 A kind of environment protection sewage highly effective and safe controlling device

Country Status (1)

Country Link
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110015802A (en) * 2019-05-29 2019-07-16 南通联源机电科技股份有限公司 A kind of wastewater purification equipment convenient for being dismantled to filter plate
CN113273560A (en) * 2021-06-01 2021-08-20 孙伟 Device for environmentally-friendly treatment of harmful bacteria and insect eggs in livestock and poultry feces

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR880002688B1 (en) * 1982-02-24 1988-12-20 와르너-람베르트 컴페니 Process for preparing antibiotics
CN205933532U (en) * 2016-07-26 2017-02-08 长兴万达建设有限公司 Treatment of municipal wastewater device
CN108033623A (en) * 2017-12-15 2018-05-15 郑州艾莫弗信息技术有限公司 A kind of environment protection sewage is aerated press filtration processing unit
CN108069551A (en) * 2017-12-13 2018-05-25 天津中天精科科技有限公司 A kind of urban safety wastewater efficient processing unit

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR880002688B1 (en) * 1982-02-24 1988-12-20 와르너-람베르트 컴페니 Process for preparing antibiotics
CN205933532U (en) * 2016-07-26 2017-02-08 长兴万达建设有限公司 Treatment of municipal wastewater device
CN108069551A (en) * 2017-12-13 2018-05-25 天津中天精科科技有限公司 A kind of urban safety wastewater efficient processing unit
CN108033623A (en) * 2017-12-15 2018-05-15 郑州艾莫弗信息技术有限公司 A kind of environment protection sewage is aerated press filtration processing unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110015802A (en) * 2019-05-29 2019-07-16 南通联源机电科技股份有限公司 A kind of wastewater purification equipment convenient for being dismantled to filter plate
CN113273560A (en) * 2021-06-01 2021-08-20 孙伟 Device for environmentally-friendly treatment of harmful bacteria and insect eggs in livestock and poultry feces

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Application publication date: 20181109