CN107585935A - A kind of highly effective and safe municipal sewage environment-friendly processing unit - Google Patents
A kind of highly effective and safe municipal sewage environment-friendly processing unit Download PDFInfo
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- CN107585935A CN107585935A CN201711033136.2A CN201711033136A CN107585935A CN 107585935 A CN107585935 A CN 107585935A CN 201711033136 A CN201711033136 A CN 201711033136A CN 107585935 A CN107585935 A CN 107585935A
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- treatment box
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Abstract
The invention discloses a kind of highly effective and safe municipal sewage environment-friendly processing unit, including water inlet pipe, treatment box, solid refuse discharge pipe, filter plate, overflow thing block, electrode bar, outlet pipe, activated charcoal, spray row, aerator, high-pressure nozzle and blow-off pipe, described treatment box top is provided with water inlet pipe, filter plate is provided with treatment box, treatment box is provided with runner, pull rope one end is fixedly connected with runner, the pull rope other end is provided with the thing block that overflows, treatment box middle part of sliding channel is provided with floating object discharge pipe, electrode bar is provided with treatment box, treatment box bottom is provided with outlet pipe, bolt-type is provided with filter screen on outlet pipe, filter screen is provided with sealing ring with outlet pipe junction, activated charcoal is provided with treatment box, treatment box bottom is provided with blow-off pipe, aerator passes through appendix and spray row's connection, spray row sets treatment box inner bottom.The present invention improves the efficiency and effect of sewage disposal, improves service life, clean environmental protection, simple in construction beneficial to promoting, cost is cheap, easy to use, beneficial to popularization.
Description
Technical field
The present invention relates to a kind of field of Environment Protection, specifically a kind of highly effective and safe municipal sewage environment-friendly processing unit.
Background technology
Water resource is the resource utilized extensively in production and life activity by the mankind, is not only widely used in agricultural, work
Industry and life, it is additionally operable to generating, water transport, aquatic products, tourism and environmental reconstruction etc..In a variety of purposes, has plenty of consumption
With water, some is then non-expendable or the use water of consumption very little, and the requirement to water quality is different.This is to make water resource one
Water is multi-purpose, fully develops the advantage of its comprehensive benefit.The content of water resources development and utilization is very wide, such as agricultural irrigation, work
Industry water, domestic water, water energy, shipping, port traffic, freshwater aquiculture, urban construction, tourism etc..Flood control, prevention waterlogging etc. belong to water
The content of the another aspect of resources development and utilization.In water resources development and utilization, the pollution of water resource is to cause shortage of water resources
An important part, sewage disposal device can effectively handle the sanitary sewage, industrial wastewater etc. in city, avoid sewage and pollution
Thing flows directly into waters, to improving the ecological environment, being lifted city taste and promote economic development significant.Municipal wastewater
Mainly include sanitary sewage and trade effluent, collected by urban drainage pipe network and be transported to sewage treatment plant and handled.It is existing
The processing mode for municipal wastewater mostly using chemistry hair and sedimentation be combined to carry out the improvement of pollutant, handling
When, sewage is uniformly passed through in settling tank and is reacted and is settled, but a large amount of solid waste mixed in municipal wastewater can shadow
Effect of settling is rung, and sewage surface can form floating nitride layer after the completion of sedimentation, it is difficult to cleared up, while solid waste
It is deposited in pond body bottom and is also required to waste substantial amounts of manpower and is cleared up.
The content of the invention
It is an object of the invention to provide a kind of highly effective and safe municipal sewage environment-friendly processing unit, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides following technical scheme：
A kind of highly effective and safe municipal sewage environment-friendly processing unit, including water inlet pipe, treatment box, solid refuse discharge pipe, filter plate, lead
Messenger, runner, ultraviolet lamp, overflow thing block, medicament adding tube, floating object discharge pipe, electrode bar, outlet pipe, activated charcoal, spray
Row, aerator and blow-off pipe, described treatment box top are provided with water inlet pipe, and treatment box is tilted to be provided with filter plate, filter plate lower surface
Provided with ultraviolet lamp, treatment box is provided with runner, and pull rope one end is fixedly connected with runner, and the pull rope other end is provided with the thing that overflows
Block, the thing block that overflows are arranged on below filter plate, and treatment box side wall is provided with medicament adding tube, and treatment box middle part of sliding channel is discharged provided with floating object
Pipe, treatment box is interior to be provided with transmission wheel, and conveyer belt is arranged with transmission wheel, conveyer belt limbers is uniformly provided with conveyer belt, is transmitted
Band outer wall is provided with to hook and harrowed, and electrode bar is provided with treatment box, and electrode bar bottom spiral connects on a mounting board, electrode bar bottom and
Power line one end connects, and power line is arranged in installing plate, and the installing plate other end is provided with binding clip, and processing box outer wall is provided with motor,
Motor output shaft is connected with rotating shaft, and impeller is installed in rotating shaft, and impeller is arranged in treatment box, and impeller bottom is provided with hairbrush, impeller
On be uniformly provided with multigroup spine, treatment box bottom is provided with outlet pipe, and outlet pipe is provided with multiple filtration gauze with treatment box junction
Plate, filtering gauze plate are set for hemispherical, and filtering gauze intralamellar part is provided with sponge block, and bolt-type is provided with filter screen on outlet pipe, place
Reason bottom end is provided with air bag, and heater and illumination lamp are installed in treatment box, detachably catalyst tube, catalyst are provided with treatment box
Through hole is uniformly provided with pipe side wall, activated charcoal is provided with treatment box, treatment box side wall is provided with timer, treatment box bottom circle
Taper is set, and treatment box bottom is provided with blow-off pipe, and blow-off pipe is provided with control valve, and aerator is connected by appendix and spray row,
Spray row sets treatment box inner bottom.
As the further scheme of the present invention：Described activated charcoal is detachably connected with treatment box.
As further scheme of the invention：Watertight transparent cover is cased with outside described ultraviolet lamp.
As further scheme of the invention：Described installing plate is made up of waterproof insulation material.
As further scheme of the invention：Described binding clip is arranged on outside installing plate.
As further scheme of the invention：Described filter screen and outlet pipe junction are provided with sealing ring, on outlet pipe
Provided with control valve.
As further scheme of the invention：Described conveyer belt lower end is horizontally set on same with floating object discharge pipe
In plane.
As further scheme of the invention：Described impeller across is set.
As further scheme of the invention：Described spine is set into tetrahedron.
As further scheme of the invention：Described electrode bar is connected by power line and binding clip with external power source
Connect.
Compared with prior art, the beneficial effects of the invention are as follows：Sewage of the present invention enters treatment box, filter plate by water inlet pipe
Solid refuse in sewage etc. is stopped, slides from solid refuse discharge pipe and discharges on solid refuse filter plate, ultraviolet lamp pair
Sewage carries out disinfection sterilization, avoids the breed and spread of harmful bacteria, improves security, passes through conveyer belt and rotates to drive and hooks rake side
Just floating object is moved to the discharge of floating object discharge pipe, limbers facilitates the circulation of water, and treatment box in bobbin carriage is added by medicament
Impurity in interior addition suitable medicament auxiliary sewage precipitates after being coagulated together, the heavy metal ion in electrode bar ionization sewage,
Sewage is stirred by motor driven rotating shaft and impeller, improves treatment effeciency, hairbrush reduces impeller and the friction in device, and raising makes
With the life-span, spine is beneficial to the caused bubble for puncturing sewage disposal, improves operating efficiency, and activated charcoal adsorbs the suspension in water
Impurity, the timer record working time, by aerator and with shower nozzle to being wherein inflated, make Organic substance in water oxidation point
Solve, precipitated after the completion of aeration, the height for the thing block that overflows is adjusted by rotating wheel, ensure that sewage is horizontal neat with floating object discharge pipe
It is flat, ensure that floating object is discharged from floating object discharge pipe in sewage, filter gauze plate and sponge block and further the water of discharge is carried out
Filtering, the effect of water outlet is improved, by being inflated deflation to air bag, conveniently adjust it and discharge the volume of water, beneficial to control
The liquid level of sewage disposal, catalyst tube improve the efficiency of sewage disposal, heater guarantee sewage disposal is most built with catalyst
Suitable temperature, illumination lamp facilitate the work of some photochemical catalysts, and clear water is discharged from outlet pipe, and filter screen strengthens filtering, while side
Just change and clean, it is simple in construction, it is easy to use, beneficial to popularization.
Brief description of the drawings
Fig. 1 is the structural representation of highly effective and safe municipal sewage environment-friendly processing unit.
Fig. 2 is the connection diagram of electrode bar in highly effective and safe municipal sewage environment-friendly processing unit.
Fig. 3 is the structural representation of highly effective and safe municipal sewage environment-friendly processing unit.
Fig. 4 is the structural representation of highly effective and safe municipal sewage environment-friendly processing unit.
In figure：1st, water inlet pipe, 2, treatment box, 3, solid refuse discharge pipe, 4, filter plate, 5, pull rope, 6, runner, 7, ultraviolet
Linear light lamp, 8, overflow thing block, 9, medicament adding tube, 10, floating object discharge pipe, 11, electrode bar, 12, sealing ring, 13, outlet pipe,
14th, filter screen, 15, timer, 16, activated charcoal, 17, spray row, 18, aerator, 19, appendix, 20, filtering gauze plate, 21, sea
Continuous block, 22, blow-off pipe, 23, rotating shaft, 24, agitating shaft, 25, motor, 26, air bag, 27, heater, 28, conveyer belt, 29, transmission
Wheel, 30, catalyst tube, 31, illumination lamp, 32, hairbrush, 33, spine, 34, limbers, 35, hook rake.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Refer to Fig. 1-4, a kind of highly effective and safe municipal sewage environment-friendly processing unit, including water inlet pipe 1, treatment box 2, solid
Rubbish discharge pipe 3, filter plate 4, pull rope 5, runner 6, ultraviolet lamp 7, excessive thing block 8, medicament adding tube 9, floating object discharge pipe
10th, electrode bar 11, outlet pipe 13, activated charcoal 16, spray row 17, aerator 18 and blow-off pipe 22, the described top for the treatment of box 2 are set
There is water inlet pipe 1, treatment box 2 is tilted to be provided with filter plate 4, and the lower surface of filter plate 4 is provided with ultraviolet lamp 7, is cased with outside ultraviolet lamp 7
Watertight transparent cover, sewage enter treatment box by water inlet pipe, and filter plate stops solid refuse in sewage etc., solid refuse filter plate
Upper slide from solid refuse discharge pipe is discharged, and ultraviolet lamp 7 carries out disinfection sterilization to sewage, avoid the growth of harmful bacteria with
Propagate, improve security, the least significant end side of filter plate 4 is provided with solid refuse discharge pipe 3, and treatment box 2 is provided with runner 6, pull rope 5
One end is fixedly connected with runner 6, and the other end of pull rope 5 is provided with the thing block 8 that overflows, and the thing block 8 that overflows is arranged on the lower section of filter plate 4, the side for the treatment of box 2
Wall is provided with medicament adding tube 9, and the middle part of sliding channel for the treatment of box 2 is provided with floating object discharge pipe 10, transmission wheel 29 is provided with treatment box 2, passes
Send and be arranged with conveyer belt 28 on wheel 29, conveyer belt limbers 34 is uniformly provided with conveyer belt 28, the outer wall of conveyer belt 28, which is provided with, to be hooked
Rake 35, the lower end of conveyer belt 28 is horizontally disposed in the same plane with floating object discharge pipe 10, and rotating drive by conveyer belt 28 hooks
Floating object is conveniently moved to floating object discharge pipe 10 and discharged by rake 35, and limbers 34 facilitates the circulation of water, and electricity is provided with treatment box 2
Pole rod 11, on a mounting board, installing plate is made up the bottom spiral connection of electrode bar 11 of waterproof insulation material, the bottom of electrode bar 11 and
Power line one end connects, and power line is arranged in installing plate, and the installing plate other end is provided with binding clip, and binding clip is arranged on outside installing plate
Portion, electrode bar 11 are connected by power line and binding clip with external power source, are added to add in treatment box in bobbin carriage by medicament and are closed
Impurity in suitable medicament auxiliary sewage precipitates after being coagulated together, the heavy metal ion in electrode bar ionization sewage, outside treatment box 2
Wall is provided with motor 25, and the output shaft of motor 25 is connected with rotating shaft 23, and impeller 24 is installed in rotating shaft 23, and impeller 24 is arranged on treatment box 2
Interior, the across of impeller 24 is set, and the bottom of impeller 24 is provided with hairbrush 32, multigroup spine 33, spine 33 are uniformly provided with impeller 24
Set into tetrahedron, sewage is stirred by motor driven rotating shaft 23 and impeller 24, improve treatment effeciency, hairbrush 32 reduces impeller 24
With the friction in device, service life is improved, spine 33 is beneficial to the caused bubble for puncturing sewage disposal, improves operating efficiency,
The bottom for the treatment of box 2 is provided with outlet pipe 13, and outlet pipe 13 is provided with multiple filtration gauze plate 20 with the junction for the treatment of box 2, filters gauze
Plate 20 is set for hemispherical, and the inside of filtering gauze plate 20 is provided with sponge block 21, and filtering gauze plate 20 and sponge block 21 are further right
The water of discharge is filtered, and improves the effect of water outlet, and bolt-type is provided with filter screen 14 on outlet pipe 13, and filter screen 14 connects with outlet pipe 13
Meet place and be provided with sealing ring 12, outlet pipe 13 is provided with control valve, and the bottom for the treatment of box 2 is provided with air bag 26, by being carried out to air bag 26
Inflation is deflated, and is conveniently adjusted it and is discharged the volume of water, beneficial to the liquid level of control sewage disposal, the interior installation heater for the treatment of box 2
27 and illumination lamp 31, detachably catalyst tube 30 is provided with treatment box 2, is uniformly provided with through hole in the side wall of catalyst tube 30, is catalyzed
Agent pipe 30 improves the efficiency of sewage disposal built with catalyst, and heater 27 ensures the most suitable temperature of sewage disposal, illumination
Lamp 31 facilitates the work of some photochemical catalysts, is provided with activated charcoal 16 in treatment box 2, activated charcoal 16 and treatment box 2 are detachable
Connection, for activated charcoal 16 built with activated carbon, the side wall for the treatment of box 2 is provided with timer 15, and activated charcoal adsorbs the suspension in water
Impurity, the timer record working time, by aerator and with shower nozzle to being wherein inflated, make Organic substance in water oxidation point
Solution, the bottom for the treatment of box 2 cone are set, and the bottom for the treatment of box 2 is provided with blow-off pipe 22, and blow-off pipe 22 is provided with control valve, aerator
18 are connected by appendix 19 with spray row 17, and spray row 17 sets the inner bottom for the treatment of box 2, and spray 17 opening upwards of row are set, aeration
After the completion of precipitate, the height for the thing block of overflowing is adjusted by rotating wheel, ensures that sewage is horizontal and is flushed with floating object discharge pipe, ensure dirt
Water float thing is discharged from floating object discharge pipe, and clear water is discharged from outlet pipe, and filter screen strengthens filtering, while is convenient for changing and clearly
Wash.
The present invention operation principle be：Sewage of the present invention enters treatment box by water inlet pipe, and filter plate is by the solid in sewage
Rubbish etc. stops, and slides from solid refuse discharge pipe and discharges on solid refuse filter plate, ultraviolet lamp carries out disinfection to sewage to kill
Bacterium, the breed and spread of harmful bacteria is avoided, improve security, rotated by conveyer belt and drive hook rake is convenient to move floating object
Discharged to floating object discharge pipe, limbers facilitates the circulation of water, is added by medicament in bobbin carriage and adds suitable medicament in treatment box
Impurity in auxiliary sewage precipitates after being coagulated together, and the heavy metal ion in electrode bar ionization sewage, passes through motor belt motor turn
Axle and impeller stirring sewage, improve treatment effeciency, and hairbrush reduces impeller and the friction in device, improve service life, spine profit
In the caused bubble for puncturing sewage disposal, operating efficiency is improved, activated charcoal adsorbs the suspended contamination in water, timer note
The working time is recorded, by aerator and with shower nozzle to being wherein inflated, makes Organic substance in water oxidation Decomposition, is sunk after the completion of aeration
Form sediment, the height for the thing block that overflows is adjusted by rotating wheel, ensure that sewage is horizontal and flushed with floating object discharge pipe, ensure dirty water float
Thing is discharged from floating object discharge pipe, filters gauze plate and sponge block further filters to the water of discharge, improve the effect of water outlet
Fruit, by being inflated deflation to air bag, conveniently adjust it and discharge the volume of water, beneficial to the liquid level of control sewage disposal, urge
Agent pipe improves the efficiency of sewage disposal built with catalyst, and heater ensures the most suitable temperature of sewage disposal, illumination lamp
Facilitate the work of some photochemical catalysts, clear water is discharged from outlet pipe, and filter screen strengthens filtering, while is convenient for changing and cleans.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Make a variety of changes.
Claims (9)
1. a kind of highly effective and safe municipal sewage environment-friendly processing unit, including water inlet pipe, treatment box, solid refuse discharge pipe, filter plate,
Pull rope, runner, ultraviolet lamp, the thing block of overflowing, medicament adding tube, floating object discharge pipe, electrode bar, outlet pipe, activated charcoal,
Spray row, aerator and blow-off pipe, it is characterised in that described treatment box top is provided with water inlet pipe, and treatment box is tilted to be provided with filter
Plate, filter plate lower surface are provided with ultraviolet lamp, and treatment box is provided with runner, and pull rope one end is fixedly connected with runner, pull rope
The other end is provided with the thing block that overflows, and the thing block that overflows is arranged on below filter plate, and treatment box side wall is provided with medicament adding tube, treatment box middle part of sliding channel
Provided with floating object discharge pipe, transmission wheel is provided with treatment box, conveyer belt is arranged with transmission wheel, transmission is uniformly provided with conveyer belt
Band limbers, conveyer belt outer wall are provided with to hook and harrowed, and are provided with electrode bar in treatment box, electrode bar bottom spiral is connected to installing plate
On, electrode bar bottom connects with power line one end, and power line is arranged in installing plate, and the installing plate other end is provided with binding clip, processing
Box outer wall is provided with motor, and motor output shaft is connected with rotating shaft, and impeller is installed in rotating shaft, and impeller is arranged in treatment box, impeller bottom
End is provided with hairbrush, multigroup spine is uniformly provided with impeller, treatment box bottom is provided with outlet pipe, and outlet pipe is set with treatment box junction
There is a multiple filtration gauze plate, filtering gauze plate is that hemispherical is set, and filters gauze intralamellar part and is provided with sponge block, latch on outlet pipe
Formula is provided with filter screen, and treatment box bottom is provided with air bag, and heater and illumination lamp are installed in treatment box, and detachable be provided with is urged in treatment box
Agent pipe, through hole being uniformly provided with catalyst tube side wall, activated charcoal is provided with treatment box, treatment box side wall is provided with timer,
Treatment box bottom cone is set, and treatment box bottom is provided with blow-off pipe, and blow-off pipe is provided with control valve, and aerator passes through gas transmission
Pipe sets treatment box inner bottom with spray row's connection, spray row.
2. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described activated carbon
Box is detachably connected with treatment box.
3. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described ultraviolet
Watertight transparent cover is cased with outside light lamp.
4. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described installing plate
It is made up of waterproof insulation material.
5. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described binding clip
It is arranged on outside installing plate.
6. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described filter screen with
Outlet pipe junction is provided with sealing ring, and outlet pipe is provided with control valve.
7. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described conveyer belt
Lower end is horizontally disposed in the same plane with floating object discharge pipe.
8. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described impeller into
Cross is set, and spine is set into tetrahedron.
9. highly effective and safe municipal sewage environment-friendly processing unit according to claim 1, it is characterised in that described electrode bar
It is connected by power line and binding clip with external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033136.2A CN107585935A (en) | 2017-10-30 | 2017-10-30 | A kind of highly effective and safe municipal sewage environment-friendly processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711033136.2A CN107585935A (en) | 2017-10-30 | 2017-10-30 | A kind of highly effective and safe municipal sewage environment-friendly processing unit |
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| CN107585935A true CN107585935A (en) | 2018-01-16 |
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ID=61044774
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| CN201711033136.2A Pending CN107585935A (en) | 2017-10-30 | 2017-10-30 | A kind of highly effective and safe municipal sewage environment-friendly processing unit |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373221A (en) * | 2018-04-27 | 2018-08-07 | 郑州爱派科技有限公司 | A kind of purifier for sanitary wastewater processing |
| CN108585320A (en) * | 2018-05-23 | 2018-09-28 | 佛山新籁工程科技有限公司 | A kind of municipal wastewater is met an urgent need quick treatment box |
| CN108862748A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of municipal sewage environment protection treating device |
| CN108975451A (en) * | 2018-07-30 | 2018-12-11 | 佛山市缘懿科技有限公司 | A kind of clarifier for wastewater treatment |
| CN109368905A (en) * | 2018-11-13 | 2019-02-22 | 文露 | A kind of building environmental protection waste-water recovering treater |
| CN109704431A (en) * | 2018-11-09 | 2019-05-03 | 惠州学院 | A kind of sewage-treatment plant |
| CN111558449A (en) * | 2020-05-14 | 2020-08-21 | 江苏振强机械科技股份有限公司 | Novel multi-cavity water-gas combined sand washer |
| CN112209545A (en) * | 2020-10-29 | 2021-01-12 | 夏彦新 | Industrial wastewater treatment equipment and process |
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| CN206395888U (en) * | 2017-01-17 | 2017-08-11 | 河南绿沐环保技术有限公司 | A kind of trade effluent environment-friendly processing unit |
| CN107055714A (en) * | 2017-06-13 | 2017-08-18 | 六安市智奇工业设计有限公司 | A kind of environment protection sewage high-efficient treatment device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206395888U (en) * | 2017-01-17 | 2017-08-11 | 河南绿沐环保技术有限公司 | A kind of trade effluent environment-friendly processing unit |
| CN107055714A (en) * | 2017-06-13 | 2017-08-18 | 六安市智奇工业设计有限公司 | A kind of environment protection sewage high-efficient treatment device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373221A (en) * | 2018-04-27 | 2018-08-07 | 郑州爱派科技有限公司 | A kind of purifier for sanitary wastewater processing |
| CN108585320A (en) * | 2018-05-23 | 2018-09-28 | 佛山新籁工程科技有限公司 | A kind of municipal wastewater is met an urgent need quick treatment box |
| CN108862748A (en) * | 2018-06-06 | 2018-11-23 | 宁波暄妍日化科技有限公司 | A kind of municipal sewage environment protection treating device |
| CN108975451A (en) * | 2018-07-30 | 2018-12-11 | 佛山市缘懿科技有限公司 | A kind of clarifier for wastewater treatment |
| CN109704431A (en) * | 2018-11-09 | 2019-05-03 | 惠州学院 | A kind of sewage-treatment plant |
| CN109368905A (en) * | 2018-11-13 | 2019-02-22 | 文露 | A kind of building environmental protection waste-water recovering treater |
| CN111558449A (en) * | 2020-05-14 | 2020-08-21 | 江苏振强机械科技股份有限公司 | Novel multi-cavity water-gas combined sand washer |
| CN112209545A (en) * | 2020-10-29 | 2021-01-12 | 夏彦新 | Industrial wastewater treatment equipment and process |
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Application publication date: 20180116 |
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