CN106759829B - A kind of municipal wastewater collection system - Google Patents
A kind of municipal wastewater collection system Download PDFInfo
- Publication number
- CN106759829B CN106759829B CN201710052070.5A CN201710052070A CN106759829B CN 106759829 B CN106759829 B CN 106759829B CN 201710052070 A CN201710052070 A CN 201710052070A CN 106759829 B CN106759829 B CN 106759829B
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- intermediate box
- box
- plate
- impurity
- collecting
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of municipal wastewater collection systems, its key points of the technical solution are that: including intermediate box and collecting box, intermediate box is arranged higher than collecting box, and the side of intermediate box is equipped with intercommunicating pore, and the intermediate box is equipped with filter screen；Sliding is equipped with several for will be deposited in the impurity before filter screen and pull out the clear fishing plate of intermediate box along the vertical direction on the inner wall of the intermediate box, and the driving device of the clear fishing plate sliding of driving is additionally provided on the inner wall of the intermediate box.The filter screen being arranged in intermediate box can be filtered impurity, the sewage entered in collecting box in this way will not block vacuum tube, in draining, some impurity can be gathered in filter screen front end, these impurity can be picked up and are expelled to outside intermediate box by clear fishing plate, realize the automatic cleaning of impurity, there is no need to manually be cleared up, reduce the labor intensity of operator, driving device can drive clear fishing plate to slide up and down, it realizes automatic clear fishing, further reduce labor intensity and fishes out cost clearly.
Description
Technical field
The present invention relates to a kind of municipal drainage technical fields, more specifically, it relates to a kind of municipal wastewater collection system.
Background technique
Community wastewater collect be municipal drainage and sewage treatment important link, the purpose is to by multiple drainings in cell
The sewage that unit is discharged is collected and is delivered to main conduit discharge or discharges after being handled by sewage treatment facility.
Publication No. provides a kind of vacuum drainage system collected for municipal wastewater for the patent of invention of CN104652573A
System technology and device are arranged the evacuated tube of connection air in vacuum pipe tip, and control the opening and closing of evacuated tube, pass through
The pressure difference that a certain amount of air increases water column front end face and rear end face is filled into, tip water column is smoothly moved ahead.
When work, the sewage of drainage point first passes through flow by gravity and enters in nearest header tank, is equipped in header tank true
Blank pipe, vacuum tube extracts the sewage in header tank out, in order to avoid some sundries block vacuum tube, in the water inlet of vacuum tube
Equipped with set net, to intercept sundries, after the sundries in header tank is stacked into certain amount, it is necessary to manually fished out clearly, with
For one common scenic spot, takes up an area 12.5 hectares, need to be arranged 11 header tanks, primary clear fishing, it is necessary to clear up 11 and catchment
Case, the manpower and material resources of consumption are just very big, and cleaning is inconvenient, and disposal costs are high.
Summary of the invention
In view of the deficiencies of the prior art, the object of the present invention is to provide a kind of municipal wastewater collection systems, can be automatically real
The cleaning of sundries in existing header tank reduces disposal costs
Above-mentioned technical purpose of the invention has the technical scheme that a kind of municipal wastewater collects system
Including the intermediate box for collecting sewage and the collecting box of intermediate box side is arranged in system, and intermediate box is higher than collecting box setting,
The side of intermediate box is equipped with the intercommunicating pore of connection collecting box and intermediate box, and the intermediate box, which is equipped with, can cover intercommunicating pore
Filter screen；Sliding is equipped with and several pulls out for will be deposited in the impurity before filter screen along the vertical direction on the inner wall of the intermediate box
The clear fishing plate of intermediate box is additionally provided with the clear fishing plate of driving on the inner wall of the intermediate box and does the driving device to pump.
By using above-mentioned technical proposal: after sewage flows into intermediate box, sewage can be from the intercommunicating pore in intermediate box
Interior outflow, into collecting box, the filter screen being arranged in intermediate box can be filtered impurity, be entered in collecting box in this way
Sewage, without biggish impurity, will not be blocked vacuum tube by primary filtration, in draining, in filter screen front end
Some impurity can be gathered, these impurity can be picked up and are expelled to outside intermediate box by the clear plate that fishes out, the automatic cleaning of impurity is realized,
So there is no need to manually be cleared up, the labor intensity of operator is reduced, in addition, driving device can drive clear fishing plate
It slides up and down, realizes automatic clear fishing, further reduce labor intensity and fish out cost clearly.
Preferably, the driving device includes the conveyer belt being arranged vertically on intermediate chamber interior wall and driving
The power part of transmission belt rotation, the side wall of the intermediate box are equipped with the collection for accepting the impurity fallen from clear fishing plate
Plate.
By using above-mentioned technical proposal: fishing out plate sliding, driving structure very simple, Er Qiean clearly using belt-driven
Fill very convenient because often floating some impurity in cesspool, conveyer structure is simple, not will do it during exercise because
For impurity entrance and there is stuck phenomenon, driving that can be stable fish out clearly plate and is slided, and power part can drive conveyer belt to slide,
Collecting board accepts impurity, realizes the collection of impurity, while impurity being avoided to fall into intermediate box again.
Preferably, the conveyer belt includes driving pulley and driven pulley, the power part includes being rotatably arranged on
Water wheels outside intermediate box, the water wheels are arranged in front of intercommunicating pore, and the shaft and driving pulley of the water wheels pass through bevel gear
Transmission connection.
By using above-mentioned technical proposal: after sewage is sprayed out of intercommunicating pore, under the impact of water flow, water wheels turn
It is dynamic, by Bevel Gear Transmission, conveyer belt can be driven to rotate, realize the driving of conveyer belt, due to the kinetic energy by means of water flow, no
It needs to be additionally provided power source, reduces the loss of the energy, it is very environmentally friendly.
Preferably, the clear fishing plate is obliquely installed on a moving belt.
By using above-mentioned technical proposal: clear fishing plate is obliquely installed, can to avoid impurity when following clear fishing plate mobile, from
It is dropped out on clear fishing plate, after falling in intermediate box, and will cause secondary pollution, the stable clear fishing for realizing impurity.
Preferably, the clear fishing plate is rotatably arranged on conveyer belt, the conveyer belt is equipped with to make to fish out plate clearly and protect always
Hold the fixing piece of heeling condition.
By using above-mentioned technical proposal: collecting board can be extend into below clear fishing plate in this way, can be to avoid impurity from receipts
It is fallen down in gap between collection plate and conveyer belt, plays very good cleaning effect；When work, when fishing plate is touching receipts clearly
After collecting plate, clear fishing plate can be overturn, and the clear plate that fishes out can be turned to the position parallel with conveyer belt, and the clear plate that fishes out will not with collecting board
There is interference phenomenon.Fixing piece can be fixed clear fishing plate, guarantee that clear fishing plate being capable of normal use.
Preferably, the fixing piece includes that the supporting block of clear fishing plate two sides is arranged in and clear fishing plate is pressed on support
Elastic component on block.
By using above-mentioned technical proposal: clear fishing plate can be pressed in supporting block by elastic component, realize that clear fishing plate is passing
The fixation taken is sent, supporting block is arranged in the two sides of clear fishing plate, is occupied little space, support effect is good, since elastic component has
Certain elastic force, when fishing plate is depressed clearly, elastic component will not damage clear fishing plate by pressure, after fishing plate is far from collecting board clearly, bullet
Property part can also realize the reset of clear fishing plate.
Preferably, the collecting board is inclined on intermediate box, in collecting board end vertical in the bottom surface of collecting board
Equipped with the bristle that can be abutted with clear fishing plate.
By using above-mentioned technical proposal: bristle can be abutted with the surface of clear fishing plate, and bristle can will be attached to clear fishing
It under the impurity brush of plate surface, avoids impurity that clear fishing plate is followed to be again introduced into collecting pit, further improves clear fishing effect.
Preferably, the side of the collecting board is equipped with the cleaning pipe for being cleared up collecting board, Guan Yushui is cleared up
Source, which is connected and clears up array on pipe, is equipped with several cleaning eyes.
By using above-mentioned technical proposal: when wanting to clear up collecting board, opening water source, tap water is from clear
Ejection in hole is managed, can be realized the flushing of collecting board, when use is very convenient.Labor intensity is low, long service life.
Preferably, the top of the collecting box is equipped with cover board.
By using above-mentioned technical proposal: can be again introduced into collecting box to avoid impurity, again so as to cause vacuum tube
Block, ensure that the stability of system at runtime, meanwhile, can the personnel of reducing a possibility that falling, ensure that practical
Safety in the process.
Preferably, the intermediate box is equipped with the switchboard of control intercommunicating pore opening and closing, edge on the outer wall of the intermediate box
Vertical direction is equipped with the switching cylinder for the switchboard sliding slot slid and the sliding of driving switch plate.
By using above-mentioned technical proposal: when in use, switchboard can will be connected to bore closure, in this way can be in water storage box
The certain sewage of interior savings and then intercommunicating pore is opened, bigger kinetic energy can be obtained on water wheels.Switchboard is arranged to
Vertical sliding, the rotation of water wheels will not be impacted.
In conclusion the invention has the following advantages:
1, cost of labor is low, and cleaning effect is good；
2, energy saving, it is environmentally protective.
Detailed description of the invention
Fig. 1 is the integral installation schematic diagram of the present embodiment；
Fig. 2 is the intermediate box scheme of installation of the present embodiment；
Fig. 3 is the power part scheme of installation of the present embodiment；
Fig. 4 is the water wheels scheme of installation of the present embodiment；
Fig. 5 is the collecting board structural schematic diagram of the present embodiment.
In figure: 1, intermediate box；11, liquid level sensor；12, intercommunicating pore；121, filter screen；13, baffle；14, sliding slot；2, it receives
Header；21, cover board；22, vacuum tube；3, conveyer belt；31, plate is fished out clearly；32, supporting block；33, spring；4, switchboard；41, it switchs
Cylinder；5, collecting board；51, bristle；52, side plate；521, cleaning pipe；53, filtration hole；6, water wheels；61, shaft；611, water fender；
612, drive bevel gear；7, driving pulley；71, driven wheel of differential；8, dustbin.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of municipal wastewater collection system, referring to Fig.1 and Fig. 2, including intermediate box 1 and collecting box 2, intermediate box 1 are used
In collecting sewage and being filtered impurity biggish in sewage, intermediate box 1 is arranged higher than collecting box 2, in the side wall of intermediate box 1
On towards collecting box 2 be equipped with intercommunicating pore 12, filter screen 121 is equipped in intercommunicating pore 12, from connection after the sewage water filtration in intermediate box 1
The outflow of hole 12 enters in collecting box 2, and vacuum tube 22 is equipped in collecting box 2, is connected with vacuum valve in vacuum tube 22.Connect in vacuum valve
The side position installation evacuated tube of vacuum tube 22 is connect, evacuated tube connects air by Unidirectional solenoid valve.Vacuum tube 22 and vacuum
Pumping plant is connected, and when work, the sewage in collecting box 2 is extracted out and stored by Vacuum Pumps Station, realizes the collection of sewage.To avoid dirt
The impurity such as water, leaf are fallen into collecting box 2, and collecting box 2 can be embedded in underground, can also be arranged at the top of collecting box 2 and be covered
Plate 21.In order to guarantee that sewage is able to enter collecting box 2 after the outflow of intercommunicating pore 12, connection is located on the outer wall of intermediate box 1
The front end in hole 12 is equipped with baffle 13.
Referring to Fig. 4, is slid along the vertical direction in the outside that the outside of intermediate box 1 is located at intercommunicating pore 12 and be equipped with switchboard 4, opened
The area for closing plate 4 is greater than the area of intercommunicating pore 12, is equipped with sliding slot 14 along the vertical direction on the outer wall of intermediate box 1, sliding slot 14 is
Two, the two sides of switchboard 4 are set, ensure that the stable sliding of switchboard 4, switchboard 4 is located on the outer wall of intermediate box 1
Top be equipped with switching cylinder 41, the piston rod of switching cylinder 41 is connected with switchboard 4.When work, the driving of switching cylinder 41 is opened
It closes plate 4 to slide in sliding slot 14, realizes the unlatching and closing of intercommunicating pore 12.
Referring to Fig. 2 and Fig. 3, in order to realize the automatic cleaning of impurity, the clear fishing plate 31 of driving is equipped in intermediate box 1
The driving device of sliding, driving device include conveyer belt 3, and conveyer belt 3 is arranged along the vertical direction, and conveyer belt 3 is perpendicular to intermediate box 1
Inner wall setting, the side of conveyer belt 3 is bonded with the inner wall of intermediate box 1, and the side of intercommunicating pore 12 is arranged in conveyer belt 3, transmits
It is equipped with clear fishing plate 31 wide with conveyer belt 3 and along the setting of the width direction of conveyer belt 3 with 3, the clear plate 31 that fishes out is several, edge
The length direction array of conveyer belt 3 is arranged.Collecting board 5 is additionally provided on intermediate box 1, the setting of intercommunicating pore 12 rises in conveyer belt 3
The side of 3 descending branch of conveyer belt is arranged in the side of section, collecting board 5.When work, conveyer belt 3 rotate, when clearly fishing plate 31 by down toward
When upper sliding, the impurity for being located at 121 front of filter screen is picked up, impurity follows clear fishing plate 31 to rise together, when fishing plate 31 clearly is transported
When moving descending branch, impurity is fallen under gravity into collecting board 5, completes the cleaning of impurity.Structure is simple, cleaning effect
It is good.In order to avoid impurity is stacked into intercommunicating pore 12, the water inlet end of intercommunicating pore 12, filter screen 121 and centre is arranged in filter screen 121
The inner wall of case 1 flushes setting.
Referring to Fig. 3, the upper and lower ends of conveyer belt 3 are respectively equipped with driven pulley and driving pulley 7, driven pulley and master
Movable belt pulley 7 and intermediate box 1 are rotatablely connected, and the power part that driving conveyer belt 3 slides, power part are equipped on the outer wall of intermediate box 1
Including water wheels 6, water wheels 6 are rotatably arranged on the outer wall of intermediate box 1, and water wheels 6 include that a shaft 61 and circumference array are arranged
The front of intercommunicating pore 12 is arranged in water fender 611 outside shaft 61, water fender 611, when sewage is sprayed from intermediate box 1,
Sewage shock water fender 611, driving water wheels 6 rotate, drive bevel gear 612 are equipped in shaft 61, is stretched in 7 end of driving pulley
Intermediate box 1 and it is equipped with the driven wheel of differential 71 that engages with drive bevel gear 612 out.When switchboard 4 is opened, sewage is from connection
Hole 12 sprays, and under the impact of sewage, water wheels 6 are rotated, and by Bevel Gear Transmission, driving pulley 7 is driven to rotate, and then drive and pass
It send band 3 to slide, does not need any additional force piece, it is very environmentally friendly.In order to play preferable driving effect, intercommunicating pore 12 is arranged
In the position close to 1 upper bottom portion of intermediate box.In addition, being equipped with liquid level sensor 11, liquid level on the inner wall of intermediate box 1 referring to Fig. 2
The movement of 11 control switch cylinder 41 of sensor, after the liquid level in intermediate box 1 reach a certain height, liquid level sensor 11 is transmitted
Signal acts to PLC, PLC control switch cylinder 41, switchboard 4 is moved up, and opens intercommunicating pore 12.Due to being provided with level sensing
Device 11 realizes full-automatic cleaning, reduces maintenance cost.
Referring to Fig. 3, to keep away in clear fishing 31 uphill process of plate, impurity is fallen from clear fishing plate 31, and the clear plate 31 that fishes out is obliquely installed
On conveyer belt 3, in this way when fishing plate 31 is in ascent stage clearly, because fishing plate 31 clearly is obliquely installed, impurity can court
It is slided to conveyer belt 3, rather than separate conveyer belt 3 skids off and fishes out plate 31 clearly, the clear fishing of stable realization impurity, in the present embodiment,
Angle between clear fishing plate 31 and conveyer belt 3 is 80 °.
Referring to Fig. 2, the decline side of conveyer belt 3 is arranged in collecting board 5, and one end of collecting board 5 is located at the side of conveyer belt 3,
The other end extends to outside intermediate box 1, is equipped with to accept in the lower section that the outside of intermediate box 1 is located at collecting board 5 and fall out of collecting board 5
The dustbin 8 of rubbish out.
It is clear to fish out the rotation setting of plate 31 in order to preferably realize the collection of the rubbish on clear fishing plate 31 referring to Fig. 2 and Fig. 3
On conveyer belt 3, such collecting board 5 can be further close to conveyer belt 3, it can be ensured that impurity drops out it from clear fishing plate 31
Afterwards, it can fall on collecting board 5, impurity is avoided to drop out in the gap between collecting board 5 and conveyer belt 3, fall into again
Between case 1, cause secondary pollution.It is additionally provided on conveyer belt 3 by the clear fishing securing fixing piece of plate 31, fixing piece includes supporting block
32 and elastic component, supporting block 32 is arranged on conveyer belt 3 and is arranged in the two sides of clear fishing plate 31, and elastic component is with respect to supporting block
32 are arranged in the other side of clear fishing plate 31, and elastic component is arranged on the bottom surface of clear fishing plate 31, and elastic component is spring 33, spring 33
One end is fixed on conveyer belt 3, and the other end is fixed on the back side of clear fishing plate 31.Preferably, clear fishing plate 31 is arranged in spring 33
Middle part.
Referring to Fig. 5, it is equipped with bristle 51 close to one end of conveyer belt 3 in collecting board 5, bristle 51 is arranged perpendicular to collecting board 5,
Bristle 51 is arranged in 5 top surface of collecting board and is arranged along the width direction of collecting board 5, is equipped with side plate 52 in the two sides of collecting board 5,
It is equipped with cleaning pipe 521 along the length direction of side plate 52 on the medial surface of side plate 52, clears up on pipe 521 and is equipped with clearly towards collecting board 5
Hole is managed, cleaning pipe 521 is connected with water source, when wanting cleaning, opens water source, the tap water sprayed in cleaning eye can be to collection
Plate 5 is cleared up, in addition, array is equipped with several filtration holes 53 on collecting board 5 to avoid sewage from accumulating on collecting board 5.
The course of work is summarized, and when liquid level sensor 11 detects that the sewage in intermediate box 1 is more, PLC driving is opened
It closes cylinder 41 to act, switchboard 4 moves up, and intercommunicating pore 12 is opened, and the sewage by 121 primary filtration of filter screen is out of intercommunicating pore 12
It sprays, impacts the water fender 611 on water wheels 6, after water wheels 6 rotate, by Bevel Gear Transmission, drive driving pulley 7 to rotate, clearly
Fishing plate 31 follows conveyer belt 3 to rotate together, and is fished out clearly to the impurity for being gathered in 121 front end of filter screen, when impurity crosses highest
After point, under the effect of gravity, impurity is fallen on collecting board 5, and along collecting board 5, is fallen in dustbin 8, in completion
Between pond cleaning.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of municipal wastewater collection system, it is characterised in that: including the intermediate box (1) for collecting sewage and be arranged in
Between case (1) side collecting box (2), intermediate box (1) is arranged higher than collecting box (2), and the side of intermediate box (1) is equipped with connection and collects
The intercommunicating pore (12) of case (2) and intermediate box (1), the intermediate box (1) are equipped with the filter screen that can cover intercommunicating pore (12)
(121)；It is slid along the vertical direction equipped with several on the inner wall of the intermediate box (1) for before being deposited in filter screen (121)
Impurity pulls the clear fishing plate (31) of intermediate box (1) out, and clear fishing plate (31) of driving is additionally provided on the inner wall of the intermediate box (1) and is done up and down
Reciprocating movement driving device, the driving device include the conveyer belt (3) that is arranged vertically on intermediate box (1) inner wall with
And the power part of driving transmission belt rotation, the side wall of the intermediate box (1) is equipped with to be fallen from clear fishing plate (31) for accepting
Impurity collecting board (5), the conveyer belt (3) includes driving pulley (7) and driven pulley, and the power part includes rotation
The water wheels (6) external in intermediate box (1) are set, and in front of intercommunicating pore (12), the water wheels (6) turn for water wheels (6) setting
Axis (61) is connect with driving pulley (7) by Bevel Gear Transmission.
2. municipal wastewater collection system according to claim 1, it is characterised in that: the clear fishing plate (31) is inclined at
On conveyer belt (3).
3. municipal wastewater collection system according to claim 2, it is characterised in that: the clear fishing plate (31) is rotatably arranged on
On conveyer belt (3), the conveyer belt (3), which is equipped with, makes to fish out clearly the fixing piece that plate (31) remain heeling condition.
4. municipal wastewater collection system according to claim 3, it is characterised in that: the fixing piece includes that setting is being fished out clearly
The supporting block (32) of plate (31) two sides and the elastic component that plate (31) is pressed on supporting block (32) will be fished out clearly.
5. municipal wastewater collection system according to claim 4, it is characterised in that: the collecting board (5) is inclined at
On intermediate box (1), the brush that can be abutted with clear fishing plate (31) is equipped in the bottom surface of collecting board (5) in collecting board (5) end vertical
Hair (51).
6. municipal wastewater collection system according to claim 5, it is characterised in that: the side of the collecting board (5) is equipped with
Cleaning pipe (521) for being cleared up collecting board (5), cleaning pipe (521), which is connected with water source and clears up pipe (521), goes into battle
Column are equipped with several cleaning eyes.
7. municipal wastewater collection system according to claim 1, it is characterised in that: the top of the collecting box (2) is equipped with
Cover board (23).
8. municipal wastewater collection system according to claim 1, it is characterised in that: the intermediate box (1) is equipped with control
The switchboard (4) of intercommunicating pore (12) opening and closing, is equipped on the outer wall of the intermediate box (1) along the vertical direction and slides for switchboard (4)
Sliding slot (14) and driving switch plate (4) sliding switching cylinder (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710052070.5A CN106759829B (en) | 2017-01-20 | 2017-01-20 | A kind of municipal wastewater collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710052070.5A CN106759829B (en) | 2017-01-20 | 2017-01-20 | A kind of municipal wastewater collection system |
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| Publication Number | Publication Date |
|---|---|
| CN106759829A CN106759829A (en) | 2017-05-31 |
| CN106759829B true CN106759829B (en) | 2019-04-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710052070.5A Active CN106759829B (en) | 2017-01-20 | 2017-01-20 | A kind of municipal wastewater collection system |
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| CN (1) | CN106759829B (en) |
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| CN204125221U (en) * | 2014-08-18 | 2015-01-28 | 赵浩浩 | A kind of purifier |
| KR20140135140A (en) * | 2014-10-31 | 2014-11-25 | 한상관 | All particulate pollutants contained in rainwater and early stormwater, all the wastes coming in along with the initial stormwater, all the bound materials associated with the water molecules, and the floating substances, and then clean the waters with clean water and rainwater. Environment-friendly rainwater purification eco-friendly method that is stored in storage and reused |
| CN204293964U (en) * | 2014-11-27 | 2015-04-29 | 浦华环保有限公司 | A kind of grid decontamination system |
| CN204491557U (en) * | 2015-03-26 | 2015-07-22 | 梅县龙上水电有限公司 | Power station intake activity belt trashrack structure |
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| CN106759829A (en) | 2017-05-31 |
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