CN109989475A - Cut dirty facility and decontamination system - Google Patents
Cut dirty facility and decontamination system Download PDFInfo
- Publication number
- CN109989475A CN109989475A CN201910257713.9A CN201910257713A CN109989475A CN 109989475 A CN109989475 A CN 109989475A CN 201910257713 A CN201910257713 A CN 201910257713A CN 109989475 A CN109989475 A CN 109989475A
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- CN
- China
- Prior art keywords
- section
- dirt portion
- dirt
- cuts
- filter
- 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.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/06—Barriers therefor construed for applying processing agents or for collecting pollutants, e.g. absorbent
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Abstract
The present invention relates to environment protection fields, provide a kind of section of dirty facility and decontamination system, cutting dirty facility includes fixed device and pollution cutting device, pollution cutting device includes several water-permeable section of dirt portion, and primary section of dirt can be carried out to sewage by each cutting dirt portion, and each section of dirt portion is fixedly connected on the securing means, spacing is capable of forming between each section of dirt portion, each section of dirt portion, so as to carry out successively cutting dirt by several times to sewage, helps to improve purification efficiency in being stacked.
Description
Technical field
The present invention relates to environment protection fields, more particularly to a kind of section of dirty facility and decontamination system.
Background technique
The origin cause of formation of city river pollution includes direct pollutant, river itself and river maintenance defect, wherein is directly polluted
The remittance of object directly affects the ecosystem in river, causes significant impact to river purification ability, and be subsequent river
The maintenance in road brings huge burden.And cutting a dirt and being not thorough is one of the main reason for causing direct pollutant to import river.
Summary of the invention
The present invention is intended to provide a kind of can effectively cut dirty section dirty facility and decontamination system.
The technical proposal adopted by the invention to solve the above technical problems is that:
A kind of section of dirty facility is provided, including fixed device and pollution cutting device, the pollution cutting device include several porous
Cut dirt portion, each dirt portion that cuts is fixedly connected on the fixed device, it is each described in be capable of forming spacing between section dirt portion,
The fixed device is for being fixed the pollution cutting device.
As an improvement of the above technical solution, each dirt portion that cuts is in be stacked.
As a further improvement of the above technical scheme, the pollution cutting device includes first section of dirt portion and second section of dirt portion,
The inside in second section of dirt portion is arranged in first section of dirt portion；First section of dirt portion includes the lattice with network
Grid, second section of dirt portion includes the beds of precipitation, and the beds of precipitation are made of seepy material.
As a further improvement of the above technical scheme, the pollution cutting device includes that first section of dirt portion and third cut dirt portion,
The inside that the third cuts dirt portion is arranged in first section of dirt portion；First section of dirt portion includes the lattice with network
Grid, it includes filter that the third, which cuts dirt portion, and the filter includes water-permeable supporting layer and is arranged in the supporting layer
Filter core.
As a further improvement of the above technical scheme, the pollution cutting device includes that second section of dirt portion and third cut dirt portion,
The inside that the third cuts dirt portion is arranged in second section of dirt portion；Second section of dirt portion includes the beds of precipitation, the beds of precipitation
It is made of seepy material, it includes filter that the third, which cuts dirt portion, and the filter includes that water-permeable supporting layer and setting exist
Filter core in the supporting layer.
As a further improvement of the above technical scheme, the pollution cutting device includes first section set gradually from inside to outside
Dirty portion, second section of dirt portion, third cut dirt portion；First section of dirt portion includes the grid with network, second section of dirt
Portion includes the beds of precipitation, and the beds of precipitation are made of seepy material, and it includes filter that the third, which cuts dirt portion, and the filter includes
Water-permeable supporting layer and the filter core being arranged in the supporting layer.
As a further improvement of the above technical scheme, the filter core includes filtrate and regulating device, the regulating device
The gap of the filter core can be adjusted.
As a further improvement of the above technical scheme, the regulating device include it is several be arranged at intervals on the filtrate it
Between air bag.
As a further improvement of the above technical scheme, each top for cutting dirt portion is connected separately with flotation gear, respectively
The lower part in described section of dirt portion is connected separately with counterweight.
A kind of decontamination system is also provided, including blow-off line and above-mentioned section dirty facility, the blow-off line is used for will
Sewage is drained in water body, and described section of dirty facility is arranged at the discharge outlet of the blow-off line, and the fixed device can incite somebody to action
The two sides of the pollution cutting device are fixedly installed in the two sides of the discharge outlet of the blow-off line.
The beneficial effects of the present invention are:
It includes several water-permeable section of dirt portion that dirty facility, which is cut, including fixed device and pollution cutting device, pollution cutting device, each to cut
Dirty portion can carry out primary section of dirt to sewage, and each section of dirt portion is fixedly connected on the securing means, is capable of forming between each section of dirt portion
Spacing, each section of dirt portion, so as to carry out successively cutting dirt by several times to sewage, help to improve purification efficiency in being stacked.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing briefly describes:
Fig. 1 is the structural schematic diagram of decontamination system one embodiment；
Fig. 2 is the top view of embodiment illustrated in fig. 1；
Fig. 3 is the structural schematic diagram for cutting dirty facility one embodiment；
Fig. 4 is the structural schematic diagram that third cuts one embodiment of filter core in dirt portion；
Fig. 5 is the structural schematic diagram of another embodiment of decontamination system.
Specific embodiment
The city planting ductwork of metropolitan district at present, most of is all to enter sewage using rainwater and sewage conduct separate system, sewage
Factory is discharged into river after rain pipe convergence.Rain pipe is conveyed by gravity, is semicanal stream, therefore the caliber of rain pipe is usually larger.Institute
When with rainfall, especially heavy rain when, first rain can be discharged into the rubbish of land, silt, dust, greasy dirt etc. river, rainwater flow velocity
Fastly, water plant very strong to the impact force in river, in destructible river, washes away river bottom mud, will be formed on the water surface a large amount of
Rubbish, this is very strong to the ecological disruption power in river, it is subsequent need to salvage rubbish, reseed submerged plant etc. a large amount of repair work
Make, expends a large amount of manpower and material resources, such as continuous rainfall, rainwater constant impingement river, water plant can not just be reseeded, river
Ecology will be difficult to restore.The present invention provides one kind to cut dirty facility, cuts dirt for carrying out to the discharge outlet for importing river, can avoid
Direct pollutant is discharged into river, reduces impact of the draining to river, protects river channel ecology.
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, being related in patent
All connection/connection relationships, not singly refer to that component directly connects, and refer to can according to specific implementation situation, by addition or
Reduce couple auxiliary, Lai Zucheng more preferably coupling structure.The orientation such as upper and lower, left and right involved in the present invention describe
Relative to the position relationship of the components of the invention in the accompanying drawings.Each technical characteristic in the present invention, not
It can be with combination of interactions under the premise of conflicting conflict.
Fig. 1 is the structural schematic diagram of decontamination system one embodiment, and Fig. 2 is the top view of embodiment illustrated in fig. 1, simultaneously
With reference to Fig. 1,2, decontamination system, including blow-off line 1 and section dirty facility 2 cut the draining that blow-off line 1 is arranged in dirty facility 2
At mouthful, cutting dirty facility 2 includes fixed device 3 and pollution cutting device 4, and pollution cutting device 4 includes several water-permeable section of dirt portions, each section of dirt
Portion is fixedly connected on fixed device 3, is capable of forming spacing between each section of dirt portion, fixed device 3 for pollution cutting device 4 into
Row is fixed.4 two sides of pollution cutting device are connected to on fixed device 3, and blow-off line 1 is used to sewage being drained to water body (example
Ru Jiang, river, lake) in, the two sides of pollution cutting device 4 can be fixedly installed in the two of the discharge outlet of blow-off line 1 by fixed device 3
Side can carry out the sewage that blow-off line 1 is discharged saturating so that pollution cutting device 4 is centered around on the outside of the discharge outlet of blow-off line 1
Water cuts dirt, to can avoid the contaminants water body in sewage, also, pollution cutting device 4 can slow down sewage pipe to a certain extent
The flow velocity for the sewage that road 1 is discharged avoids water plant, the impact bed mud that sewage washes away in water body.It can be fixed by fixed device 3
It is mounted in waterfront side slope, or builds fixed wall at 1 discharge outlet of blow-off line, it is solid that fixed device 3 can be fixedly mounted on this
Determine on wall 5.
Fig. 3 is the structural schematic diagram for cutting 2 one embodiment of dirty facility, with reference to Fig. 3 and combines Fig. 1, it includes solid for cutting dirty facility 2
Determine device 3 and pollution cutting device 4, pollution cutting device 4 includes several water-permeable section of dirt portions, and sewage can be carried out once by each cutting dirt portion
Dirt is cut, each section of dirt portion is fixedly connected on fixed device 3, spacing is capable of forming between each section of dirt portion, each section of dirt portion is in stacking
Setting helps to improve purification efficiency so as to carry out successively cutting dirt by several times to sewage.
In embodiment as shown in the figure, pollution cutting device 4 includes 5, second sections of the first section of dirt portion set gradually from inside to outside
Dirty portion 6, third cut dirt portion 7, form three layers and cut dirty structure, can successively carry out cutting dirty filtering to the sewage being discharged into three times, can divide
Not Lan Jie different volumes size or different types of pollutant, help to improve and cut a dirty efficiency.The top difference in each section of dirt portion
It is connected with flotation gear 8, the lower part in each section of dirt portion is connected separately with counterweight 9, thus, each pollution cutting device 4 can be deployed in water body
In.
Wherein, first section of dirt portion 5 includes the flexible grid 10 with network, specially flexible mesh, such as fishing net
Or the mesh grille 10 being knitted to form using Buddhist nun's staple, first section of dirt portion 5 have elasticity, when Sewage shock, which can
To intercept biggish rubbish or floating material, due to having preferable elasticity, which can also buffer effluent flow rate, effectively
Slow down sewage to wash away to the destruction of water plant in water body and to bed mud.The upper end of grid 10 connects floating dress by rope
8 are set, so that grid top is equal with the water surface.
Second section of dirt portion 6 includes the beds of precipitation 11, and the beds of precipitation 11 are made of seepy material, such as canvas, and canvas has poor
Water penetration, after sewage converges in the region that the beds of precipitation 11 surround after flowing out from first section of dirt portion 5, from 11 top of the beds of precipitation
It overflows to outside the beds of precipitation 11, the beds of precipitation 11 further slow down effluent flow rate, and sand, soil in sewage etc. are enclosed in the beds of precipitation 11
At region in settle, further purify sewage, region which surrounds forms sedimentation basin.11 top of the beds of precipitation opens up
Eyelet is connected by eyelet by rope with flotation gear 8, and 11 top of the beds of precipitation to 8 bottom surface of flotation gear has a set distance
(distance is 5cm or so in the present embodiment), so that the tip height of the beds of precipitation 11 is slightly below the water surface, sewage is heavy in the beds of precipitation 11
After the silt of shallow lake, overflow enters third and cuts in the range of the encirclement of dirt portion 7.
It includes filter 12 that third, which cuts dirt portion 7, which includes water-permeable supporting layer 13 and be arranged in supporting layer
Filter core 14 in 13, the sewage flowed out from the beds of precipitation 11 in second section of dirt portion 6 continue flow through the filter 12 that third cuts dirt portion 7,
Filter core 14 in filter 12 plays the role of filtration, purification to sewage, to improve drainage water quality.In present embodiment, filter
12 specifically include filter core 14 and support in the supporting layer 13 of 14 two sides of filter core, which can have geotextiles composition, for branch
Support filtrate.The geotextiles of appropriate porosity can be selected as support according to the size of quantity of wastewater effluent, how much adaptability of impurity
Layer 13.
In present embodiment, grid 10, the beds of precipitation 11 and 12 3 layers of filter of two sides connect together, and are fixed by angle bar
In storm sewer two sides.
Fig. 4 is the structural schematic diagram that third cuts one embodiment of filter core 14 in dirt portion 7, with reference to Fig. 3,4, filter core 14
Including filtrate 15 and regulating device 16, filtrate 15 is specially the gap that regulating device 16 can adjust filter core 14.Filtrate 15 can be by
Fiber filament composition, each fiber filament are vertically arranged, and fiber filament upper and lower part is separately fixed in rubber adhesive tape, and regulating device 16 is wrapped
Several air bags being arranged at intervals between filtrate 15 are included, the top of air bag is fixedly connected with above-mentioned rubber adhesive tape, opens on air bag
If air inlet/outlet, which can be similar basketball hole the structure of the eye, inside set check valve, can directly inflate with the stomata, deflating needs
Thimble pressing check valve air valve is wanted to deflate.The size that volume shared by air bag is adjusted in the aeration quantity in air bag is adjusted, by gas
The adjusting of capsule volume size can be changed the density size of filtrate 15, that is, change the porosity size of filter 12, to adjust filter
The particle size of past impurity, and then adjusted the water quality of drainage.It deflates to air bag, deflated balloon, 15 density of filtrate can be made
Become smaller, 12 gap rate of filter becomes larger, and drainage water quality is poor；To air bag inflation but air bag volume swells, to compress side
Filtrate 15, filter layer density becomes larger, and the porosity of filter 12 becomes smaller, and drainage water quality is made to improve.
In the specific implementation, dirt portion 6,5, second sections of first section of above-mentioned dirt portion, third are cut dirt portion 7 and can only be selected secondly arbitrarily
Collocation, can specifically be selected according to pollutant severity, such as:
Pollution cutting device 4 includes first section of dirt portion 5 and second section of dirt portion 6, and second section of dirt portion 6 is arranged in first section of dirt portion 5
Inside；First section of dirt portion 5 includes the grid 10 with network, and second section of dirt portion 6 includes the beds of precipitation 11, and the beds of precipitation 11 are by saturating
Water material is constituted.
Alternatively, pollution cutting device 4 includes first section of dirt portion 5 and third cuts dirt portion 7, first section of setting of dirt portion 5 cuts dirt in third
The inside in portion 7；First section of dirt portion 5 includes the grid 10 with network, and it includes filter 12, filter that third, which cuts dirt portion 7,
12 include the water-permeable filter core 14 supporting layer 13 and be arranged in supporting layer 13.
Alternatively, pollution cutting device 4 includes second section of dirt portion 6 and third cuts dirt portion 7, second section of setting of dirt portion 6 cuts dirt in third
The inside in portion 7；Second section of dirt portion 6 includes the beds of precipitation 11, and the beds of precipitation 11 are made of seepy material, and it includes filtering that third, which cuts dirt portion 7,
Device 12, filter 12 include the water-permeable filter core 14 supporting layer 13 and be arranged in supporting layer 13.
Certainly, other than dirt portion 6,5, second sections of first section of dirt portion of foregoing description, third cut dirt portion 7, can also be arranged
Other structures cut dirt portion, to realize required section dirty or filtering function.
In pollution cutting device 4, grid 10, the beds of precipitation 11 and filter 12 are that flexible material is constituted, and after being installed, work as row
When dirty pipeline 1 has water discharge, whole device is washed into arc, and arc passes through fixation towards water body center line, the pollution cutting device 4
Device 3 is fixed on He Bishang, therefore water body center can only will not be flushed to, so water flow will not be influenced by one range of punching.When
When the anhydrous discharge of drainpipe, device can be rushed at bank from upstream migration down, the water flow at water center by water, and the bottom of device is matched
It weighs 9 and is deposited in river bed, upper layer is fluctuated with water flowing, does not influence the flow velocity of water.
Fig. 5 is the structural schematic diagram of another embodiment of decontamination system, and with reference to Fig. 5, dirty facility 2 is cut in present embodiment
It is essentially identical with embodiment above, the difference is that: at the discharge outlet of blow-off line 1, it is provided with blocking apparatus 17,
The blocking apparatus is covered in the discharge outlet of blow-off line 1, and edge is fixed on the outer wall of drainpipe, interception dress by clip 18
Biggish rubbish, branch etc. can be intercepted for cross steel mesh by setting 17, when cleaning, only need to be opened clip, interception can be got off
Rubbish is removed in pipeline.
This section dirt facility can be applied to the project that rain pipe is directly discharged into river, or the black smelly processing item in river of emergency
Mesh.The sewage of discharge can be intercepted using in rain Different Waters, prevent sewage from destroying water ecology, for example, for city
City's pollution defence that just rain is discharged into river purifies, when first rain rainwater flows into river by row's rain pipeline, after above three layers,
Sundries, soil, machine oil lamp are intercepted, and rainwater is cleaned, and rainwater reduces the impact of river body, and water plant is saved,
Without being flushed away, first rain bring greasy dirt, in facility dirty by this section, filter can intercept absorption a part, effectively prevent
Greasy dirt is discharged into Ha Noi, avoids pollution, while also mitigating the difficulty of subsequent maintenance.
It above are only presently preferred embodiments of the present invention, but the present invention is not restricted to above-described embodiment, be familiar with this field
Technical staff can also make a variety of equivalent deformation or replacement on the premise of without prejudice to spirit of the invention, these equivalent deformations
Or replacement is all included in the scope defined by the claims of the present application.
Claims (10)
1. one kind cuts dirty facility, it is characterised in that: including fixed device and pollution cutting device, the pollution cutting device include it is several can be saturating
Water cuts dirt portion, and each dirt portion that cuts is fixedly connected on the fixed device, between being capable of forming between each described section of dirt portion
Away from the fixed device is for being fixed the pollution cutting device.
2. according to claim 1 section of dirty facility, it is characterised in that: each dirt portion that cuts is in be stacked.
3. according to claim 1 section of dirty facility, it is characterised in that: the pollution cutting device includes first section of dirt portion and second
Dirt portion is cut, the inside in second section of dirt portion is arranged in first section of dirt portion；First section of dirt portion includes having grid knot
The grid of structure, second section of dirt portion includes the beds of precipitation, and the beds of precipitation are made of seepy material.
4. according to claim 1 section of dirty facility, it is characterised in that: the pollution cutting device includes first section of dirt portion and third
Dirt portion is cut, the inside that the third cuts dirt portion is arranged in first section of dirt portion；First section of dirt portion includes having grid knot
The grid of structure, it includes filter that the third, which cuts dirt portion, and the filter includes that water-permeable supporting layer and setting are held described
Hold in the palm the filter core in layer.
5. according to claim 1 section of dirty facility, it is characterised in that: the pollution cutting device includes second section of dirt portion and third
Dirt portion is cut, the inside that the third cuts dirt portion is arranged in second section of dirt portion；Second section of dirt portion includes the beds of precipitation, described
The beds of precipitation are made of seepy material, and it includes filter that the third, which cuts dirt portion, the filter include water-permeable supporting layer with
Filter core in the supporting layer is set.
6. according to claim 1 section of dirty facility, it is characterised in that: the pollution cutting device includes setting gradually from inside to outside
First section of dirt portion, second section of dirt portion, third cut dirt portion；First section of dirt portion includes the grid with network, described
Second section of dirt portion includes the beds of precipitation, and the beds of precipitation are made of seepy material, and it includes filter that the third, which cuts dirt portion, the mistake
Filter includes water-permeable supporting layer and the filter core that is arranged in the supporting layer.
7. cutting dirty facility according to any one of claim 4 to 6, it is characterised in that: the filter core include filtrate and
Regulating device, the regulating device can adjust the gap of the filter core.
8. according to claim 7 section of dirty facility, it is characterised in that: the regulating device includes several being arranged at intervals on institute
State the air bag between filtrate.
9. cutting dirty facility according to claims requirement 1, it is characterised in that: each top for cutting dirt portion connects respectively
It is connected to flotation gear, each lower part for cutting dirt portion is connected separately with counterweight.
10. a kind of decontamination system, it is characterised in that: including being cut described in any one of blow-off line and claim 1 to 9
Dirty facility, for the blow-off line for sewage to be drained in water body, the row of the blow-off line is arranged in described section of dirty facility
At the mouth of a river, the two sides of the pollution cutting device can be fixedly installed in the two of the discharge outlet of the blow-off line by the fixed device
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257713.9A CN109989475B (en) | 2019-04-01 | 2019-04-01 | Sewage interception facility and pollution prevention system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910257713.9A CN109989475B (en) | 2019-04-01 | 2019-04-01 | Sewage interception facility and pollution prevention system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109989475A true CN109989475A (en) | 2019-07-09 |
| CN109989475B CN109989475B (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910257713.9A Active CN109989475B (en) | 2019-04-01 | 2019-04-01 | Sewage interception facility and pollution prevention system |
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| CN (1) | CN109989475B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573996A (en) * | 2020-06-07 | 2020-08-25 | 倪建强 | Municipal sewage treatment method based on rotary grating machine |
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| CN207159955U (en) * | 2017-08-19 | 2018-03-30 | 安徽省通源环境节能股份有限公司 | A kind of rainwater enters the exit of a lake and cuts sand cleaning system |
| CN207158943U (en) * | 2017-08-25 | 2018-03-30 | 湘潭皓康生态材料有限公司 | A kind of water purification cuts dirty curtain |
| CN207567931U (en) * | 2017-09-30 | 2018-07-03 | 武汉圣禹排水系统有限公司 | A kind of bilayer device for dragging dregs and a kind of shunting well or abandoned stream well |
| CN107698105A (en) * | 2017-11-10 | 2018-02-16 | 中冶华天工程技术有限公司 | A kind of city river rainwater discharge outlet pretreatment unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573996A (en) * | 2020-06-07 | 2020-08-25 | 倪建强 | Municipal sewage treatment method based on rotary grating machine |
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| CN109989475B (en) | 2021-10-15 |
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