CN105442697A - Flotage interception device - Google Patents
Flotage interception device Download PDFInfo
- Publication number
- CN105442697A CN105442697A CN201510884173.9A CN201510884173A CN105442697A CN 105442697 A CN105442697 A CN 105442697A CN 201510884173 A CN201510884173 A CN 201510884173A CN 105442697 A CN105442697 A CN 105442697A
- Authority
- CN
- China
- Prior art keywords
- filter
- well body
- screen bag
- foundation wall
- wall
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 44
- 239000000377 silicon dioxide Substances 0.000 claims description 22
- 210000003127 Knee Anatomy 0.000 claims description 16
- 230000000875 corresponding Effects 0.000 claims description 10
- 239000000725 suspension Substances 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 10
- 239000008239 natural water Substances 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000276438 Gadus morhua Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 building site Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 235000019516 cod Nutrition 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001717 pathogenic Effects 0.000 description 1
- 244000052769 pathogens Species 0.000 description 1
- 230000000737 periodic Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000036633 rest Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005429 turbidity Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a flotage interception device. The device comprises a well, a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are arranged at the front end and the rear end of the well. The device is characterized in that a foundation wall and one or more filter screen bags are further included, the foundation wall extends upwards from the bottom of the well, openings of the filter screen bags are forward, and the filter screen bags are located on the foundation wall; the foundation wall is provided with a movable connection structure enabling the filter screen bags to move upwards; a water-permeable supporting structure is arranged under the filter screen bags; the upper surface of the foundation wall is lower than or flush with the lower surface of the water inlet pipe. The flotage interception device is simple in structure and convenient to use, flotage and particles of rainwater can be treated through the mode of combining gravity settling and flotage interception, and the flotage interception device is suitable for pretreatment of the rainwater before the rainwater enters a city main pipe or pretreatment before natural water is discharged through a rainwater pipeline.
Description
Technical field
The present invention relates to rainwater preconditioning technique field, refer to a kind of floater catching apparatus particularly.
Background technology
Along with the fast development of urbanization, the non-point pollution caused by rainfall runoff becomes the important sources of urban water-body pollutant gradually.The leaching that pollutant in city rainfall runoff is mainly derived from wet deposition that precipitation drip washing atmosphere pollution causes and city impermeable surface pollutant washes away, and the latter accounts for more than 90% of rainwater runoff pollution thing total amount.Particle is the main carriers of city impermeable surface pollutant, such as: a large amount of pollutants (COD, nutrients, organic matter, heavy metal, pathogen etc.) that the particles such as the deposit in atmospheric sedimentation, vehicle exhaust, tire wear, Snow Agent, building site, solid refuse and percolate contain, finally all will migrate in receiving water body under rainwater drip washing, souring, and serious harm will be produced to its ecological environment.
Particle in rainfall runoff also can cause receiving water body turbidity to raise, and it has been generally acknowledged that particle is the potential component that composing environment water quality worsens.In addition, deposition can be produced in pipeline after particle enters urban drainage pipeline system under rainfall runoff souring, form pipeline sediment pollution and effectiveness factors.
Therefore, rainwater drops to ground and forms runoff, can containing particle and floating things such as a large amount of silts, if do not carry out intercept process to the particle in rainwater and floating thing be just directly discharged to natural water, will pollute natural water, at present rainwater be adopted mostly to the disposal options of strainer filtering, rainwater is simply filtered pretreatment, but the mode of this strainer filtering can bring a lot of problems: 1, filter screen may block, the discharge of rainwater is hindered to cause the waterlogging in city.2, but do not collect after floating thing interception, it is very inconvenient to clear up.
Summary of the invention
Object of the present invention is exactly the deficiency that will solve above-mentioned background technology, provides floater catching apparatus in a kind of rainwater, the floating thing of interception can be collected, and can ensure storm-water drainage under large discharge rainwater, avoid causing waterlogging.
Technical scheme of the present invention is: a kind of floater catching apparatus, comprise water inlet pipe and the outlet pipe of well body and well body front and back end, it is characterized in that, also comprise the foundation wall and opening one or more Filter-screen bags forward that upwards extend to form bottom well body, described Filter-screen bag is positioned at above foundation wall, described foundation wall is provided with the movable connection structure that Filter-screen bag can be made to move up, be provided with the braced structures of porous below described Filter-screen bag, described foundation wall upper surface lower than or flush in water inlet pipe soffit.
Preferably, described movable connection structure comprises the rectangular foundation frame corresponding with each Filter-screen bag, described Filter-screen bag opening correspondence is connected on basic frame, described foundation wall upper end is provided with the vertical paired U-shaped gathering sill that, opening corresponding with each basic frame both sides is oppositely arranged, and described basic frame both sides are slidably connected with between corresponding gathering sill.
Further, described basic frame is provided with annular groove, and described Filter-screen bag opening is provided with protruding ring edge, and described ring edge is positioned at annular groove, and described annular groove notch place arranges rectangular pressing plate, and rectangular pressing plate is fixed on basic frame by bolt.
Further, described basic frame upper end is provided with suspension ring.
Preferably, described braced structures comprises the knee wall being positioned at foundation wall rear, is provided with web plate above described foundation wall, knee wall, and described Filter-screen bag is supported on web plate.
Further, described knee wall to be connected along well body horizontally set with well body both lateral sides; Described knee wall upper center concave transversely overfall.
Preferably, described foundation wall front is provided with scum silica frost barricade, and described scum silica frost barricade is for extend to form downwards from well body top, and described scum silica frost barricade lower end height is between Filter-screen bag upper and lower surface.
Further, described scum silica frost barricade to be connected along well body horizontally set with well body both lateral sides.
Preferably, described foundation wall to be connected along well body horizontally set with well body both lateral sides.
Further, when Filter-screen bag is multiple, on described foundation wall, lateral separation is provided with compartment wall, and each described Filter-screen bag correspondence is positioned between adjacent banks or closes between the compartment wall of well body side surface and well body.
Preferably, described well body top is provided with multiple openable well lid, and described well lid is three, is separately positioned on directly over scum silica frost barricade front, Filter-screen bag sack and Filter-screen bag rear.
Beneficial effect of the present invention is:
1. adopt Filter-screen bag tackle floating thing and collect, Filter-screen bag is one or more, and it is more effective that the independent movable connection structure of each Filter-screen bag makes Filter-screen bag use, and changes also very convenient.
2. the mode that have employed scum silica frost barricade and Filter-screen bag combination removes floating thing, also effectively can tackle floating thing when large discharge, can ensure the safety of rainfall flood passage simultaneously.
3. structure is simple, easy to use, is processed the floating thing of rainwater and particle by the mode of gravitational settling and floating thing interception combination, is applicable to rainwater and enters the pretreatment before the main pipe of city or storm sewer to the pretreatment before natural water discharge.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention (vertical direction)
Fig. 2 is A-A sectional view in Fig. 1
Fig. 3 is B place enlarged drawing in Fig. 1
Fig. 4 is C place enlarged drawing in Fig. 2
Wherein: 1. well body 2. water inlet pipe 3. outlet pipe 4. scum silica frost barricade 5. foundation wall 6. Filter-screen bag 7. movable connection structure 8. braced structures 9. basic frame 10. gathering sill 11. annular groove 12. ring edge 13. pressing plate 14. bolt 15. suspension ring 16. knee wall 17. web plate 18. overfall 19. compartment wall 20. well lid 21. setscrew.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As Figure 1-4, floater catching apparatus of the present invention, comprise well body 1 and lay respectively at water inlet pipe 2 and the outlet pipe 3 of well body front and back end, usual outlet pipe 3 highly for lower than or flush in water inlet pipe 2 height, in this enforcements, outlet pipe 3 highly flushes in water inlet pipe 2 highly; Also comprise foundation wall 5 and opening one or more Filter-screen bags 6 (the present embodiment is two) forward, Filter-screen bag 6 is positioned at above foundation wall 5, foundation wall 5 is provided with the movable connection structure 7 that Filter-screen bag 6 can be made to move up, and is provided with the braced structures 8 of porous below Filter-screen bag 6; Foundation wall 5 upper surface lower than or flush in water inlet pipe 2 soffit (the present embodiment foundation wall 5 upper surface flushes in water inlet pipe 2 soffit), in the present invention front and back end be in Fig. 2 left and right end, both lateral sides is upper and lower sides in Fig. 2.
Foundation wall 5 front is provided with scum silica frost barricade 4, scum silica frost barricade 4 is for extend to form downwards from well body top, scum silica frost barricade 4 lower end height is between Filter-screen bag 6 upper and lower surface, in the present embodiment, scum silica frost barricade 4 lower end is a little less than water inlet pipe 2 upper surface, and scum silica frost barricade 4 is along well body 1 horizontally set and be connected with well body 1 both lateral sides.
Foundation wall 5 is along well body 1 horizontally set and be connected with well body 1 both lateral sides, when drainage bag 6 for drainage bag 6 time multiple is horizontally arranged at interval along well body 1 on foundation wall 5.The movable connection structure 7 of drainage bag 6 comprises each rectangular foundation frame 9 corresponding with each Filter-screen bag 6, basis frame 9 is provided with annular groove 11, Filter-screen bag 6 opening is provided with protruding ring edge 12, ring edge 12 is positioned at annular groove 11, annular groove 11 notch place arranges rectangular pressing plate 13, rectangular pressing plate 13 is fixed on basic frame 9 by bolt 14, and the ring edge 12 of Filter-screen bag 6 is connected on basic frame 9 by bolt 14 and rectangular pressing plate 13 correspondence, and basic frame 9 upper end is provided with suspension ring 15.Foundation wall 5 upper end is provided with the vertical paired U-shaped gathering sill 10 that, opening corresponding with each basic frame 9 both sides is oppositely arranged, and basic frame 9 both sides are slidably connected with between corresponding gathering sill 10.
When Filter-screen bag 6 is one, a pair corresponding U-shaped gathering sill 10 is directly fixed on the well body 1 both lateral sides wall of foundation wall 5 upper end, when Filter-screen bag 6 is multiple, on foundation wall 5, lateral separation is provided with compartment wall 19, and each Filter-screen bag 6 correspondence is positioned between adjacent banks 19 or closes between the compartment wall 19 of well body side surface and well body 1.In the present embodiment, Filter-screen bag 6 is two, a stifled compartment wall 19 is provided with in the middle of foundation wall 5, the paired gathering sill 10 of a Filter-screen bag 6 is positioned on the upper side wall of well body 1 upper side wall and compartment wall 19, and the paired gathering sill 10 of another Filter-screen bag 6 is positioned in the lower wall of well body 1 lower wall and compartment wall 19.The height of compartment wall 19 is highly identical with gathering sill 10, maybe can be vertically fixing by gathering sill 10, and gathering sill 10 is all fixed on well body 1 sidewall and compartment wall 19 sidewall by setscrew 21.
Braced structures 8 comprises the knee wall 16 being positioned at foundation wall 5 rear, knee wall 16 is along well body 1 horizontally set and be connected with well body 1 both lateral sides, web plate 17 is provided with above foundation wall 5, knee wall 16, web plate 17 is the sieve plate of steel matter, foundation wall 5, knee wall 16 upper end are respectively equipped with the step surface with web plate 17 rear and front end form fit, and Filter-screen bag 6 is supported on web plate 17.Knee wall 16 upper center concave transversely overfall 18, knee wall 16 upper end level is identical with foundation wall 5 upper end level, lower than or flush in water inlet pipe 2 soffit, thus overfall 18 soffit is lower than water inlet pipe 2 soffit.
Well body 1 top is provided with multiple openable well lid 20.The present embodiment well lid 20 is three, is separately positioned on directly over scum silica frost barricade 4 front, Filter-screen bag 6 sack and Filter-screen bag 6 rear.Well lid directly over Filter-screen bag 6 sack to need to be arranged to well body 1 laterally with wide, and be convenient to basic frame 9 and move up and down and change Filter-screen bag 6, remaining is arranged to people's hole size, to open a hole deposition in body for workman's body of going into the well.
The operating principle of floater catching apparatus is:
At the rainfall initial stage, rainfall is less, rainwater enters storm sewer by surface runoff, well body 1 is entered again inner by the water inlet pipe 2 of this device, rainwater first filters rear outflow by Filter-screen bag 6, floating thing and suspension are just blocked and are collected in Filter-screen bag 6, because rainwater has certain flow velocity through out-of-date, under the effect of current, floating thing first rests on the bottommost of Filter-screen bag 6, and then the expansion that accumulates gradually, until be full of whole Filter-screen bag 6, thick particle is gathered in bottom well body 1 under the effect of gravitational settling.In the space that below when Filter-screen bag 6 filters, foundation wall 5, knee wall 16 and well body 1 both sides are formed, water level rises, and current can be discharged from overfall 18.During fine day, in Filter-screen bag 6, floating thing long-time placement under moist environment can be fermented, now in Filter-screen bag 6, water level flushes in or lower than overfall 18 soffit, the floating thing collected in Filter-screen bag 6 and below ponding separate by web plate 17, keep the drying of floating thing in Filter-screen bag 6, avoid its fermentation to produce peculiar smell.
When rainfall intensity becomes large, due to the limited flow that outlet pipe 3 is discharged, the water level in well body 1 will rise, when water level is higher than Filter-screen bag 6 top, now rainwater goes out from the bottom overflow of scum silica frost barricade 4 under the obstruction of scum silica frost barricade 4, and floating thing has then been blocked in before scum silica frost barricade 4.When rainfall diminishes, liquid level will decline gradually, and the floating thing tackled by scum silica frost barricade 4 is then along with current reenter Filter-screen bag 6.If Filter-screen bag 6 be filled floating thing cannot overcurrent time, rainwater also can go out from overflow bottom scum silica frost barricade 4, ensures the safety of storm-water drainage passage, and during overflow simultaneously, floating thing is also blocked.
This device needs periodic maintenance, when needs are safeguarded, can open well lid 20, with the suspension ring 15 on the frame 9 of hook basis above well body 1, after pull-up, Filter-screen bag 6 is removed, the Filter-screen bag 6 more renewed, again by basic frame 9 homing, general Filter-screen bag 6 needs to upgrade once half a year.
Need the deposition bottom to well body 1 to carry out cleaning every year to safeguard, when safeguarding, being also first open well lid 20, taking out Filter-screen bag 6, opening web plate 17, just can clear up the deposition in shaft bottom.
Claims (10)
1. a floater catching apparatus, comprise water inlet pipe (2) and the outlet pipe (3) of well body (1) and well body front and back end, it is characterized in that, also comprise the foundation wall (5) and opening one or more Filter-screen bags (6) forward that upwards extend to form bottom well body, described Filter-screen bag (6) is positioned at foundation wall (5) top, described foundation wall (5) is provided with the movable connection structure (7) that Filter-screen bag (6) can be made to move up, described Filter-screen bag (6) below is provided with the braced structures (8) of porous, described foundation wall (5) upper surface lower than or flush in water inlet pipe (2) soffit.
2. floater catching apparatus as claimed in claim 1, it is characterized in that, described movable connection structure (7) comprises the rectangular foundation frame (9) corresponding with each Filter-screen bag (6), described Filter-screen bag (6) opening correspondence is connected on basic frame (9), described foundation wall (5) upper end is provided with the vertical paired U-shaped gathering sill (10) that, opening corresponding with each basic frame (9) both sides is oppositely arranged, and described basic frame (9) both sides are slidably connected with between corresponding gathering sill (10).
3. floater catching apparatus as claimed in claim 2, it is characterized in that, described basic frame (9) is provided with annular groove (11), described Filter-screen bag (6) opening is provided with protruding ring edge (12), described ring edge (12) is positioned at annular groove (11), described annular groove (11) notch place arranges rectangular pressing plate (13), and rectangular pressing plate (13) is fixed on basic frame (9) by bolt (14).
4. floater catching apparatus as claimed in claim 2, it is characterized in that, described basic frame (9) upper end is provided with suspension ring (15).
5. floater catching apparatus as claimed in claim 1, it is characterized in that, described braced structures (8) comprises the knee wall (16) being positioned at foundation wall (5) rear, described foundation wall (5), knee wall (16) top is provided with web plate (17), and described Filter-screen bag (6) is supported on web plate (17).
6. floater catching apparatus as claimed in claim 5, it is characterized in that, described knee wall (16) is along well body (1) horizontally set and be connected with well body (1) both lateral sides, and described knee wall (16) upper center concave is overfall (18) transversely.
7. floater catching apparatus as claimed in claim 1, it is characterized in that, described foundation wall (5) front is provided with scum silica frost barricade (4), described scum silica frost barricade (4) is for extend to form downwards from well body top, and described scum silica frost barricade (4) lower end height is positioned between Filter-screen bag (6) upper and lower surface.
8. floater catching apparatus as claimed in claim 7, is characterized in that, described scum silica frost barricade (4) is along well body (1) horizontally set and be connected with well body (1) both lateral sides.
9. floater catching apparatus as claimed in claim 1, is characterized in that, described foundation wall (5) is along well body (1) horizontally set and be connected with well body (1) both lateral sides.
10. floater catching apparatus as claimed in claim 9, it is characterized in that, when Filter-screen bag (6) is for time multiple, the upper lateral separation of described foundation wall (5) is provided with compartment wall (19), and each described Filter-screen bag (6) correspondence is positioned between adjacent banks (19) or closes between the compartment wall (19) of well body side surface and well body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884173.9A CN105442697B (en) | 2015-12-03 | 2015-12-03 | Floater catching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884173.9A CN105442697B (en) | 2015-12-03 | 2015-12-03 | Floater catching apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105442697A true CN105442697A (en) | 2016-03-30 |
| CN105442697B CN105442697B (en) | 2017-12-05 |
Family
ID=55553291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510884173.9A Active CN105442697B (en) | 2015-12-03 | 2015-12-03 | Floater catching apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105442697B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503431A (en) * | 2017-09-30 | 2017-12-22 | 武汉圣禹排水系统有限公司 | Device for dragging dregs and abandoned stream or shunting well provided with device for dragging dregs |
| CN107558600A (en) * | 2017-09-30 | 2018-01-09 | 武汉圣禹排水系统有限公司 | A kind of hoisting type device for dragging dregs |
| CN107574915A (en) * | 2017-09-30 | 2018-01-12 | 武汉圣禹排水系统有限公司 | A kind of device for dragging dregs of the trapezoidal filter residue screen frame of band |
| CN107574918A (en) * | 2017-09-30 | 2018-01-12 | 武汉圣禹排水系统有限公司 | A kind of device for dragging dregs |
| CN107761923A (en) * | 2017-09-30 | 2018-03-06 | 武汉圣禹排水系统有限公司 | Device for dragging dregs with filtering mesh bag and the Vatch basin for being provided with the device for dragging dregs |
| CN107761926A (en) * | 2017-09-30 | 2018-03-06 | 武汉圣禹排水系统有限公司 | Retaining device and the Vatch basin provided with retaining device |
| CN107806165A (en) * | 2017-09-30 | 2018-03-16 | 武汉圣禹排水系统有限公司 | A kind of device for dragging dregs with baffle plate |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3101255B1 (en) * | 2019-09-28 | 2021-09-03 | David Stephane | Waste capture device in a rainwater collection network |
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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US5562819A (en) * | 1994-04-19 | 1996-10-08 | Fresh Creek Technologies, Inc. | Apparatus for trapping, signalling presence of and collecting debris in waterways |
| US20060163130A1 (en) * | 2005-01-24 | 2006-07-27 | Henry Happel | Storm water filter system |
| CN201020314Y (en) * | 2007-03-16 | 2008-02-13 | 中国石油天然气股份有限公司 | Tuck net type filter |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503431A (en) * | 2017-09-30 | 2017-12-22 | 武汉圣禹排水系统有限公司 | Device for dragging dregs and abandoned stream or shunting well provided with device for dragging dregs |
| CN107558600A (en) * | 2017-09-30 | 2018-01-09 | 武汉圣禹排水系统有限公司 | A kind of hoisting type device for dragging dregs |
| CN107574915A (en) * | 2017-09-30 | 2018-01-12 | 武汉圣禹排水系统有限公司 | A kind of device for dragging dregs of the trapezoidal filter residue screen frame of band |
| CN107574918A (en) * | 2017-09-30 | 2018-01-12 | 武汉圣禹排水系统有限公司 | A kind of device for dragging dregs |
| CN107761923A (en) * | 2017-09-30 | 2018-03-06 | 武汉圣禹排水系统有限公司 | Device for dragging dregs with filtering mesh bag and the Vatch basin for being provided with the device for dragging dregs |
| CN107761926A (en) * | 2017-09-30 | 2018-03-06 | 武汉圣禹排水系统有限公司 | Retaining device and the Vatch basin provided with retaining device |
| CN107806165A (en) * | 2017-09-30 | 2018-03-16 | 武汉圣禹排水系统有限公司 | A kind of device for dragging dregs with baffle plate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105442697B (en) | 2017-12-05 |
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Effective date of registration: 20160420 Address after: 430057 No. 189, North Road, Wuhan economic and Technological Development Zone, Hubei Applicant after: WUHAN MEIHUA YUSHUI ENVIRONMENT CO., LTD. Address before: 430056 Hubei city of Wuhan province Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Applicant before: WUHAN SHENGYU DRAINAGE SYSTEMS CO., LTD. |
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