CN112049226A - Novel rainwater filtration system suitable for sponge city - Google Patents
Novel rainwater filtration system suitable for sponge city Download PDFInfo
- Publication number
- CN112049226A CN112049226A CN202010959701.3A CN202010959701A CN112049226A CN 112049226 A CN112049226 A CN 112049226A CN 202010959701 A CN202010959701 A CN 202010959701A CN 112049226 A CN112049226 A CN 112049226A
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- wall
- system suitable
- sponge
- sponge city
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- 238000001914 filtration Methods 0.000 title claims abstract description 41
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 239000004576 sand Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims 2
- 238000005260 corrosion Methods 0.000 claims 2
- 230000035515 penetration Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- 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 novel rainwater filtering system suitable for a sponge city, which comprises a permeable layer and a watertight layer, wherein a filtering well is jointly formed in the centers of the permeable layer and the watertight layer, the watertight layer is fixedly arranged on the upper end surface of the permeable layer, an annular bulge is arranged on the inner wall of the watertight layer, a filtering component is arranged above the annular bulge, the filtering component comprises a filtering screen, a sponge layer, a coarse sand layer, a gravel layer and a frame, the frame and the inner wall of the watertight layer are attached to each other, two clamping grooves are symmetrically formed in the side wall of the frame, two mounting cavities are symmetrically formed in the watertight layer, a central shaft is vertically and rotatably connected in each mounting cavity, and a driving mechanism is arranged at the lower end of the central shaft. The invention is convenient for cleaning and replacing the filtering component, avoids the filtering component from being blocked and improves the filtering effect.
Description
Technical Field
The invention relates to the technical field of filtration, in particular to a novel rainwater filtration system suitable for a sponge city.
Background
At present, a ' sponge city ' is a new generation of urban rainfall flood management concept, which means that the city has good ' elasticity ' in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can also be called as a ' hydro-elastic city ', and the ' sponge city ' absorbs water, stores water, seeps water and purifies water when raining, and releases ' and utilizes the stored water when needed.
The novel rainwater filtration system in current sponge city is to the filterable in-process of rainwater, can mix a lot of impurity in the filtering mechanism, leads to the filter screen to take place to block up, has reduced the filter effect.
In order to solve the problems, the invention provides a novel rainwater filtering system suitable for a sponge city.
Disclosure of Invention
The invention aims to overcome the defects that in the process of filtering rainwater, a large amount of impurities are doped in a filtering mechanism, so that a filter screen is blocked and the filtering effect is reduced in the conventional novel rainwater filtering system for a sponge city in the prior art, so that the novel rainwater filtering system for the sponge city is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a novel rainwater filtering system suitable for a sponge city comprises a permeable layer and a watertight layer, wherein a filtering well is jointly formed in the centers of the permeable layer and the watertight layer, the watertight layer is fixedly arranged on the upper end surface of the permeable layer, an annular bulge is arranged on the inner wall of the watertight layer, a filtering component is arranged above the annular bulge and comprises a filtering screen, a sponge layer, a coarse sand layer, a gravel layer and a frame, the inner walls of the frame and the watertight layer are attached to each other, two clamping grooves are symmetrically formed in the side wall of the frame, two mounting cavities are symmetrically formed in the watertight layer, a central shaft is vertically and rotatably connected in each mounting cavity, a driving mechanism is arranged at the lower end of the central shaft, two thread sections with opposite threads are symmetrically arranged on the central shaft, and a thread sleeve is in threaded connection with each thread section, two rotate respectively on the lateral wall of thread bush and be connected with rotor plate and No. two rotor plates, alternately sliding connection between rotor plate and No. two rotor plates, the one end that No. two rotor plates and a rotor plate deviate from the center pin rotates jointly and is connected with the slide, the opposite side symmetry fixed mounting of slide has two kellies, every the other end of kellies all runs through the inner wall on impervious bed and supports into in the draw-in groove, be provided with the concrete well wall on the inner wall of permeable formation, equidistant ring is listed as and is provided with a plurality of horizontal pipes, every the lateral wall that the concrete well wall was all run through to the one end of horizontal pipe and communicates each other with the well, be provided with clearance mechanism in the well.
Preferably, clear away the mechanism and include supporting steel plate, impeller, center pin, riser and cleaning brush, the both ends difference fixed mounting of supporting steel plate is on the inner wall of concrete well wall, the vertical center department of interlude at the supporting steel plate of center pin, rotate between center pin and the supporting steel plate and be connected, the upper end fixed mounting of center pin has the impeller.
Preferably, symmetry fixed mounting has two bracing pieces on the lateral wall of center pin, and two bracing pieces that lie in same one side deviate from the common fixed mounting of center pin one end on the lateral wall of riser, the cleaning brush is fixed and is deviated from bracing piece one side at the riser, the cleaning brush pastes mutually with the lateral wall of concrete well wall.
Preferably, actuating mechanism includes servo motor, helical gear and No. two helical gears, servo motor fixed mounting is on the lateral wall of installation cavity, helical gear fixed mounting is at servo motor's output, the meshing is connected between helical gear and No. two helical gears, No. two helical gears are fixed to be cup jointed on the lateral wall of center pin.
Preferably, filter screen, sponge layer, coarse sand layer and gravel layer are fixed in the frame jointly, the filter screen is located the top, sponge layer fixed mounting is at the bottom face of filter screen, coarse sand layer fixed mounting is at the lower terminal surface on sponge layer, gravel layer fixed mounting is at the lower terminal surface on coarse sand layer.
Preferably, the center of each thread sleeve is provided with a thread section matched threaded hole, and the thread section is in threaded connection with the threaded hole.
Preferentially, a strip-shaped sliding hole matched with the first rotating plate is formed in the side wall of the second rotating plate, and the first rotating plate is connected in the strip-shaped sliding hole in a sliding mode.
Preferentially, the surface of the frame is provided with an anticorrosive coating which is chromium.
Compared with the prior art, the invention has the beneficial effects that:
when rainwater flows downwards, the rainwater is sequentially filtered by the filter screen, the sponge layer, the coarse sand layer and the gravel layer, then water flows onto the impeller to drive the impeller to rotate, the impeller drives the central shaft to rotate and further drives the supporting rod to rotate, the supporting rod drives the vertical plate to rotate, the vertical plate cleans the inner wall of the concrete well wall through the cleaning brush, and therefore the problem that some stains are adhered to the inner wall of the concrete well wall to cause rancid odor is avoided; when the filter assembly needs to be replaced, the servo motor is controlled, the servo motor can drive the first bevel gear to rotate and further drive the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear can drive the central shaft to rotate and further drive the screw thread sections to rotate, so that the screw thread sleeves on the two screw thread sections move back to back, the first rotating plate and the second rotating plate can be driven to rotate in the process of back-to-back movement of the two screw thread sleeves, the second rotating plate and the first rotating plate can drive the sliding plate to move back to back in the installation cavity, the sliding plate can drive the two clamping rods to be separated from the clamping grooves and retract into the waterproof layer, and further the frame can be taken out of the waterproof layer, the filter assembly is convenient to clean and replace, the filter assembly is prevented from being blocked, the filter effect is improved, the cleaned filter assembly is placed in the waterproof layer, and then, servo motor passes through the output and drives a helical gear direction and rotate, and then drives No. two helical gears and rotate, through the interact of center pin, screw thread section, thread bush, a rotor plate and No. two rotor plates, promotes in the draw-in groove that the kelly supported on the frame lateral wall, has accomplished the fixed mounting to the frame.
Drawings
Fig. 1 is a schematic front structural view of a novel rainwater filtering system suitable for a sponge city according to the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
fig. 3 is a schematic top view of an impeller of the novel rainwater filtering system suitable for a sponge city according to the present invention.
In the figure: the concrete well wall cleaning device comprises a supporting steel plate 1, an impeller 2, a gravel layer 3, vertical plates 4, a rotating shaft 5, a cleaning brush 6, a supporting rod 7, a concrete well wall 8, a permeable layer 9, a waterproof layer 10, an installation cavity 11, a frame 12, a filter screen 13, a sponge layer 14, a coarse sand layer 15, a horizontal pipe 16, a clamping groove 17, a clamping rod 18, a sliding plate 19, a rotating plate 20, a central shaft 21, a threaded section 22, a threaded sleeve 23, a servo motor 24, a helical gear 25, a helical gear 26 and a rotating plate 27.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a novel rainwater filtering system suitable for sponge city, comprising a permeable layer 9 and an impermeable layer 10, wherein a filtering well is jointly formed at the center of the permeable layer 9 and the impermeable layer 10, the impermeable layer 10 is fixedly arranged on the upper end surface of the permeable layer 9, an annular protrusion is arranged on the inner wall of the impermeable layer 10, a filtering component is arranged above the annular protrusion, the filtering component comprises a filter screen 13, a sponge layer 14, a coarse sand layer 15, a gravel layer 3 and a frame 12, an anticorrosive layer is arranged on the surface of the frame 12, the anticorrosive layer is chromium, the filter screen 13, the sponge layer 14, the coarse sand layer 15 and the gravel layer 3 are jointly fixed in the frame 12, the filter screen 13 is located at the top, the sponge layer 14 is fixedly arranged on the bottom end surface of the filter screen 13, the coarse sand layer 15 is fixedly arranged on the lower end surface of the sponge layer 14, the gravel layer 3 is fixedly arranged on the lower end surface of the, two clamping grooves 17 are symmetrically formed in the side wall of the frame 12, two mounting cavities 11 are symmetrically formed in the impermeable layer 10, a central shaft 21 is vertically and rotatably connected in each mounting cavity 11, a driving mechanism is arranged at the lower end of the central shaft 21 and comprises a servo motor 24, a first helical gear 25 and a second helical gear 26, the servo motor 24 is fixedly arranged on the side wall of the mounting cavity 11, the first helical gear 25 is fixedly arranged at the output end of the servo motor 24, the first helical gear 25 is in meshed connection with the second helical gear 26, the second helical gear 26 is fixedly sleeved on the side wall of the central shaft 21, two sections of threaded sections 22 with opposite threads are symmetrically arranged on the central shaft 21, a threaded sleeve 23 is in threaded connection with each threaded section 22, threaded holes 22 are formed in the center of each threaded sleeve 23, the threaded sections 22 are in threaded connection with the threaded holes, a first rotating plate 20 and a second rotating plate 27 are respectively and rotatably connected on the side walls of, the side wall of the second rotating plate 27 is provided with a strip-shaped sliding hole matched with the first rotating plate 20, the first rotating plate 20 is slidably connected in the strip-shaped sliding hole, the first rotating plate 20 is slidably connected with the second rotating plate 27 in a crossed manner, one ends of the second rotating plate 27 and the first rotating plate 20, which are far away from the central shaft 21, are rotatably connected with a sliding plate 19 together, the other side of the sliding plate 19 is symmetrically and fixedly provided with two clamping rods 18, the other end of each clamping rod 18 penetrates through the inner wall of the impermeable layer 10 and is abutted into the clamping groove 17, the servo motor 24 is controlled, the servo motor 24 can drive the first helical gear 25 to rotate and further drive the first helical gear 25 to rotate, the first helical gear 25 drives the second helical gear 26 to rotate, the second helical gear 26 can drive the central shaft 21 to rotate and further drive the threaded sections 22 to rotate, so that the threaded sleeves 23 on the two threaded sections 22 move in opposite directions, and, will drive the first rotor plate 20 and the second rotor plate 27 to rotate, the second rotor plate 27 and the first rotor plate 20 will drive the slide plate 19 to move back to back in the installation cavity 11, the slide plate 19 will drive the two clamping rods 18 to break away from the clamping grooves 17 and retract into the impermeable layer 10, so as to take out the frame 12 from the impermeable layer 10, and facilitate cleaning and replacement of the filter assembly, the inner wall of the permeable layer 9 is provided with a concrete well wall 8, the inner wall of the permeable layer 9 is provided with a plurality of horizontal conduits 16 in an equidistant ring array, one end of each horizontal conduit 16 penetrates through the side wall of the concrete well wall 8 and is communicated with the well, the well is internally provided with a cleaning mechanism, the cleaning mechanism comprises a support steel plate 1, an impeller 2, a rotating shaft 5, a vertical plate 4 and a cleaning brush 6, two ends of the support steel plate 1 are respectively fixedly installed on the inner wall of the concrete well wall 8, the rotating shaft 5 vertically penetrates through the, rotate between pivot 5 and the supporting steel plate 1 and be connected, the upper end fixed mounting of pivot 5 has impeller 2, symmetry fixed mounting has two bracing pieces 7 on the lateral wall of pivot 5, lie in two bracing pieces 7 with one side and deviate from the common fixed mounting of 5 one ends of pivot on the lateral wall of riser 4, cleaning brush 6 is fixed and is deviating from bracing piece 7 one side at riser 4, cleaning brush 6 pastes mutually with the lateral wall of concrete well wall 8, impeller 2 can drive pivot 5 and rotate, and then drive bracing piece 7 and rotate, bracing piece 7 can drive riser 4 and rotate, riser 4 can be cleared up the inner wall of concrete well wall 8 through cleaning brush 6, some spot adhesions have been avoided on the inner wall of concrete well wall 8, cause the putrefactive odor.
In the invention, when rainwater flows downwards, the rainwater is sequentially filtered by the filter screen 13, the sponge layer 14, the coarse sand layer 15 and the gravel layer 3, then the water flow flows onto the impeller 2 to drive the impeller 2 to rotate, the impeller 2 drives the rotating shaft 5 to rotate, and further drives the supporting rod 7 to rotate, the supporting rod 7 drives the vertical plate 4 to rotate, the vertical plate 4 cleans the inner wall of the concrete well wall 8 through the cleaning brush 6, and the problem that some stains are adhered to the inner wall of the concrete well wall 8 to cause putrefactive odor is avoided; when the filter assembly needs to be replaced, the servo motor 24 is controlled, the servo motor 24 can drive the first helical gear 25 to rotate, the first helical gear 25 drives the second helical gear 26 to rotate, the second helical gear 26 can drive the central shaft 21 to rotate, and further drive the threaded sections 22 to rotate, so that the threaded sleeves 23 on the two threaded sections 22 move back to back, the first rotating plate 20 and the second rotating plate 27 can be driven to rotate in the process that the two threaded sleeves 23 move back to back, the second rotating plate 27 and the first rotating plate 20 can drive the sliding plate 19 to move back to back in the installation cavity 11, the sliding plate 19 can drive the two clamping rods 18 to separate from the clamping grooves 17 and retract into the impermeable layer 10, so that the frame 12 can be taken out of the impermeable layer 10, the filter assembly is convenient to be cleaned and replaced, the cleaned filter assembly is placed in the impermeable layer 10, then, the servo motor 24 is controlled, the servo motor 24 drives the first helical gear 25 to rotate through the output end, and further drives the second helical gear 26 to rotate, and the clamping rod 18 is pushed to abut into the clamping groove 17 on the side wall of the frame 12 through the interaction of the central shaft 21, the threaded section 22, the threaded sleeve 23, the first rotating plate 20 and the second rotating plate 27, so that the fixed installation of the frame 12 is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A novel rainwater filtering system suitable for a sponge city comprises a permeable layer (9) and a watertight layer (10), wherein a filtering well is jointly arranged at the center of the permeable layer (9) and the watertight layer (10), and is characterized in that the watertight layer (10) is fixedly arranged on the upper end surface of the permeable layer (9), an annular bulge is arranged on the inner wall of the watertight layer (10), a filtering component is arranged above the annular bulge, the filtering component comprises a filter screen (13), a sponge layer (14), a coarse sand layer (15), a gravel layer (3) and a frame (12), the frame (12) and the inner wall of the watertight layer (10) are attached to each other, two clamping grooves (17) are symmetrically arranged on the side wall of the frame (12), two mounting cavities (11) are symmetrically arranged in the watertight layer (10), and a central shaft (21) is vertically and rotatably connected in each mounting cavity (11), the lower extreme of center pin (21) is provided with actuating mechanism, the symmetry is provided with two sections screw thread sections (22) that the screw thread is opposite on center pin (21), every equal threaded connection has thread bush (23) on screw thread section (22), two rotate respectively on the lateral wall of thread bush (23) and be connected with rotor plate (20) and No. two rotor plates (27), cross sliding connection between rotor plate (20) and No. two rotor plates (27), No. two rotor plates (27) and one rotor plate (20) deviate from the one end of center pin (21) and rotate jointly and be connected with slide (19), the opposite side symmetry fixed mounting of slide (19) has two kellies (18), every the other end of kellies (18) all runs through the inner wall of waterproof layer (10) and supports in draw-in groove (17), be provided with concrete well wall (8) on the inner wall of permeable formation (9), a plurality of horizontal guide pipes (16) are arranged in the penetration layer (9) in an evenly-spaced annular array, one end of each horizontal guide pipe (16) penetrates through the side wall of the concrete well wall (8) and is communicated with the well, and a clearing mechanism is arranged in the well.
2. The novel rainwater filtering system suitable for the sponge city according to claim 1, wherein the cleaning mechanism comprises a supporting steel plate (1), an impeller (2), a rotating shaft (5), a vertical plate (4) and a cleaning brush (6), two ends of the supporting steel plate (1) are respectively and fixedly installed on the inner wall of a concrete well wall (8), the rotating shaft (5) is vertically inserted into the center of the supporting steel plate (1), the rotating shaft (5) is rotatably connected with the supporting steel plate (1), and the impeller (2) is fixedly installed at the upper end of the rotating shaft (5).
3. The novel rainwater filtering system suitable for sponge city according to claim 2, characterized in that, symmetry fixed mounting has two bracing pieces (7) on the lateral wall of pivot (5), and two bracing pieces (7) that lie in same one side deviate from pivot (5) one end common fixed mounting on the lateral wall of riser (4), cleaning brush (6) are fixed in riser (4) and deviate from bracing piece (7) one side, cleaning brush (6) paste mutually with the lateral wall of concrete well wall (8).
4. The novel rainwater filtering system suitable for the sponge city according to claim 1, wherein the driving mechanism comprises a servo motor (24), a first bevel gear (25) and a second bevel gear (26), the servo motor (24) is fixedly installed on the side wall of the installation cavity (11), the first bevel gear (25) is fixedly installed at the output end of the servo motor (24), the first bevel gear (25) is in meshed connection with the second bevel gear (26), and the second bevel gear (26) is fixedly sleeved on the side wall of the central shaft (21).
5. The novel rainwater filtering system suitable for sponge city according to claim 1, wherein said filter screen (13), sponge layer (14), coarse sand layer (15) and gravel layer (3) are fixed together in the frame (12), said filter screen (13) is located at the top, said sponge layer (14) is fixedly installed on the bottom end face of the filter screen (13), said coarse sand layer (15) is fixedly installed on the lower end face of the sponge layer (14), and said gravel layer (3) is fixedly installed on the lower end face of the coarse sand layer (15).
6. The novel rainwater filtering system suitable for the sponge city according to claim 1, wherein a threaded section (22) is formed at the center of each threaded sleeve (23) and is matched with a threaded hole, and the threaded section (22) is in threaded connection with the threaded hole.
7. The novel rainwater filtering system suitable for the sponge city according to claim 1, wherein a strip-shaped sliding hole matched with the first rotating plate (20) is formed in the side wall of the second rotating plate (27), and the first rotating plate (20) is slidably connected in the strip-shaped sliding hole.
8. The novel rainwater filtering system suitable for sponge city as recited in claim 1, wherein said frame (12) is provided with a corrosion resistant layer on its surface, and said corrosion resistant layer is chromium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959701.3A CN112049226A (en) | 2020-09-14 | 2020-09-14 | Novel rainwater filtration system suitable for sponge city |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010959701.3A CN112049226A (en) | 2020-09-14 | 2020-09-14 | Novel rainwater filtration system suitable for sponge city |
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| Publication Number | Publication Date |
|---|---|
| CN112049226A true CN112049226A (en) | 2020-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010959701.3A Pending CN112049226A (en) | 2020-09-14 | 2020-09-14 | Novel rainwater filtration system suitable for sponge city |
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| Country | Link |
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| CN (1) | CN112049226A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112551754A (en) * | 2020-12-09 | 2021-03-26 | 芦冬梅 | Novel rainwater filtration system suitable for sponge city |
| CN113684912A (en) * | 2021-08-26 | 2021-11-23 | 丁王月银 | Sponge urban green land water storage collector |
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| CN112551754A (en) * | 2020-12-09 | 2021-03-26 | 芦冬梅 | Novel rainwater filtration system suitable for sponge city |
| CN113684912A (en) * | 2021-08-26 | 2021-11-23 | 丁王月银 | Sponge urban green land water storage collector |
| CN113684912B (en) * | 2021-08-26 | 2023-12-01 | 江苏万载中科海绵城市建设有限公司 | Sponge urban green land water storage collector |
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Application publication date: 20201208 |
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