CN111636630A - Siphon type drainage channel with trapezoidal vault structure for efficiently collecting and utilizing rainwater - Google Patents
Siphon type drainage channel with trapezoidal vault structure for efficiently collecting and utilizing rainwater Download PDFInfo
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- CN111636630A CN111636630A CN202010462343.5A CN202010462343A CN111636630A CN 111636630 A CN111636630 A CN 111636630A CN 202010462343 A CN202010462343 A CN 202010462343A CN 111636630 A CN111636630 A CN 111636630A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 32
- 238000005728 strengthening Methods 0.000 claims description 29
- 230000001154 acute effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 2
- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention discloses a siphon type drainage channel for efficiently collecting and utilizing rainwater with a trapezoidal vault structure, which comprises a drainage channel body, transverse reinforcing ribs, longitudinal reinforcing ribs, water inlets, a drainage channel, internal slots and connecting clamping grooves, wherein the quantity of the water inlets on two sides is equal and mutually symmetrical, grid holes are respectively arranged on one side of the water inlets on two sides, the drainage channel body is of the vault structure, plug boards can be inserted into the internal slots, the water inlets are communicated with the drainage channel, and the water inlets are of the trapezoidal structure. The rainwater collecting device is simple in structural design and reasonable in design, rainwater in the drainage plate can be collected and treated in a centralized mode when the rainwater collecting device is matched with the drainage plate, the drainage rate is increased due to the special arrangement of the grid holes in one side of the water inlet and the trapezoidal structure of the water inlet, rainwater collection is facilitated, water resources are saved, and efficient rainwater collection and utilization are improved.
Description
Technical Field
The invention relates to the technical field of rainwater collection and comprehensive utilization, in particular to a siphon-type drainage tank with a trapezoidal arch crown structure for efficiently collecting and utilizing rainwater.
Background
The siphon principle is that in a certain closed space, the highest-point liquid in the U-shaped pipe moves towards the low-position pipe opening under the action of gravity, negative pressure is generated inside the U-shaped pipe, and the liquid at the high-position pipe opening is sucked into the highest point to form a water flow phenomenon.
The drainage performance of the existing drainage channel is poor, accumulated water cannot be drained in time, the drainage effect is poor, the moisture seepage of a roof is easily caused, and the house structure and the service life are influenced.
Disclosure of Invention
The invention aims to solve the technical problems that accumulated water cannot be drained in time due to poor drainage performance of a drainage groove in the prior art, drainage effect is poor, roof moisture seepage is easily caused, and house structure and service life are affected, and provides a siphon drainage groove for efficiently collecting and utilizing rainwater with a trapezoidal arch crown structure.
In order to achieve the purpose, the invention adopts the technical scheme that: comprises a drainage channel body 1, a transverse reinforcing rib 2, a longitudinal reinforcing rib 3, a water inlet 4, a drainage channel 5, an internal slot 6 and a connecting slot 7, the transverse reinforcing ribs 2 are divided into two types of A-shaped transverse reinforcing ribs 9 and B-shaped reinforcing ribs 10, the internal slots 6 are connected with the water inlet 4 and are positioned at the inner side of the drainage channel body 1, the inner slot 6 can be inserted into the inserting plate 11, the drainage channel body 1 is of a vault structure, the water inlets 4 are arranged at two sides of the drainage channel body 1, the quantity of the water inlets 4 arranged at the two sides is equal and mutually symmetrical, the openings of the water inlets 4 face the direction of water inflow, the water inlets 4 on both sides of the water drainage tank body 1 are provided with grid holes 8 on the same side, the grid holes on both sides are symmetrical with each other, the water inlet 4 is communicated with the drainage channel 5, the water inlet 4 is of a trapezoidal structure, and the width of one end, communicated with the drainage channel 5, of the water inlet 4 is larger than that of the other end of the water inlet.
Further, B type strengthening rib 10 is located the corresponding water inlet 4 in both sides, and it transversely runs through the top surface and two sides of water drainage tank body 1, and the vertical strengthening rib 3 of B type strengthening rib 10 perpendicular to that contacts with the top surface of water drainage tank body 1 is located B type strengthening rib 10 above water inlet 4 and horizontal direction's contained angle for the acute angle, and the B type strengthening rib 10 that contacts with two sides of water drainage tank body 1 is the acute angle with horizontal direction's contained angle, water inlet 4 is the acute angle with horizontal direction's contained angle.
Further, the connecting clamping grooves 7 are arranged at two ends of the drainage groove body 1.
Furthermore, the drainage channel bodies 1 are mutually fixed and extended through the connecting clamping grooves 7.
Further, horizontal strengthening rib 9 of A type is located the intermediate position of two adjacent water inlets 4, and it transversely runs through the top surface and two sides of water drainage tank body 1, the top surface contact part and the vertical strengthening rib 3 mutually perpendicular of horizontal strengthening rib 9 of A type and water drainage tank body 1, the perpendicular and horizontal direction of the side contact part of horizontal strengthening rib 9 of A type and water drainage tank body 1.
Further, the number of the water inlets 4 is 2 times of the number of the B-shaped reinforcing ribs 10.
Further, there are two longitudinal reinforcing ribs 3.
Further, the number of the A-type transverse reinforcing ribs 9 is one less than that of the B-type reinforcing ribs 10.
Further, the drainage channel body 1 and the insertion plate 11 are made of plastic materials.
Compared with the prior art, the invention has the advantages that: the transverse and longitudinal reinforcing ribs arranged on the drainage channel body improve the pressure resistance of the drainage channel body, so that the drainage channel body is firm and durable, the trapezoidal water inlets and the grating holes which are mutually symmetrical are specially arranged at two sides of the drainage channel body, the water inflow rate of rainwater can be increased in the rainwater drainage process, the drainage efficiency of the rainwater is improved, the rainwater can be drained in the same direction, the internal slot is designed in the actual use process, whether the internal slot is inserted into the plugboard or not can be selected according to the drainage flow and the drainage direction of the rainwater, for example, if only one side is required for drainage, the internal slot at one side for drainage can be selected not to be inserted into the plugboard, the plugboard is inserted into the internal slot at the other side, one side can be ensured for drainage, if both sides are required for drainage, the plugboards can not be inserted into the internal slots at both sides, both sides can be used for drainage, if, it may become a water channel. Horizontal strengthening rib on the water drainage tank body and water drainage tank's vault design can also play the effect of rainwater water conservancy diversion, makes the rainwater that will collect at water inlet and grid hole, has further increaseed the inflow rate of rainwater, has improved the drainage efficiency of rainwater, and the drainage effect is more smooth and easy, effective, improves the high-efficient collection utilization of rainwater.
Drawings
FIG. 1 is a schematic structural view of a siphon-type drainage channel with a trapezoidal vault structure for efficiently collecting rainwater;
FIG. 2 is a bottom view of the siphon-type drainage channel of the present invention with a trapezoidal arch crown structure for efficiently collecting rainwater;
FIG. 3 is a front view of the siphon-type drainage channel of the present invention with a trapezoidal dome structure for efficiently collecting rainwater;
FIG. 4 is a right side view of the siphon-type drainage channel of the present invention with a trapezoidal dome structure for efficiently collecting rainwater;
FIG. 5 is a top view of the siphon-type drainage channel of the present invention with a trapezoidal dome structure for efficiently collecting rainwater;
FIG. 6 is a structure diagram of a plug board of the siphon-type drainage channel for efficiently collecting rainwater and utilizing the trapezoidal vault structure;
in the figure: 1. a drainage channel body; 2, transverse reinforcing ribs; 3. longitudinal reinforcing ribs; 4. a water inlet; 5. a drainage channel; 6. an internal slot; 7. a connecting clamping groove; 8. grid holes; 9. a-type transverse reinforcing ribs; 10. b-type reinforcing ribs; 11. and (4) inserting plates.
Detailed Description
In view of the defects in the prior art, the technical scheme of the invention is provided through long-term research and massive practice. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Fig. 1 is a schematic structural view of a siphon-type drainage channel with a trapezoidal vault structure for efficiently collecting rainwater, fig. 2 is a bottom view of the siphon-type drainage channel with the trapezoidal vault structure for efficiently collecting rainwater, fig. 3 is a front view of the siphon-type drainage channel with the trapezoidal vault structure for efficiently collecting rainwater, fig. 4 is a right view of the siphon-type drainage channel with the trapezoidal vault structure for efficiently collecting rainwater, fig. 5 is a top view of the siphon-type drainage channel with the trapezoidal vault structure for efficiently collecting rainwater, and fig. 6 is a structural view of a plugboard of the siphon-type drainage channel with the trapezoidal vault structure for efficiently collecting rainwater. As shown in fig. 1, 2, 3, 4, 5 and 6, the rainwater high-efficiency collection provided in the embodiment of the present invention uses the trapezoidal dome structure siphon-type drainage channel: comprises a drainage channel body 1, a transverse reinforcing rib 2, a longitudinal reinforcing rib 3, a water inlet 4, a drainage channel 5, an internal slot 6 and a connecting slot 7, the transverse reinforcing ribs 2 are divided into two types of A-shaped transverse reinforcing ribs 9 and B-shaped reinforcing ribs 10, the internal slots 6 are connected with the water inlet 4 and are positioned at the inner side of the drainage channel body 1, the inner slot 6 can be inserted into the inserting plate 11, the drainage channel body 1 is of a vault structure, the water inlets 4 are arranged at two sides of the drainage channel body 1, the quantity of the water inlets 4 arranged at the two sides is equal and mutually symmetrical, the openings of the water inlets 4 face the direction of water inflow, the water inlets 4 on both sides of the water drainage tank body 1 are provided with grid holes 8 on the same side, the grid holes on both sides are symmetrical with each other, the water inlet 4 is communicated with the drainage channel 5, the water inlet 4 is of a trapezoidal structure, and the width of one end, communicated with the drainage channel 5, of the water inlet 4 is larger than that of the other end of the water inlet.
Preferably, B type strengthening rib 10 is located the corresponding water inlet 4 in both sides, and it transversely runs through the top surface and two sides of water drainage tank body 1, and the vertical strengthening rib 3 of B type strengthening rib 10 perpendicular to that contacts with the top surface of water drainage tank body 1 is located B type strengthening rib 10 above water inlet 4 and horizontal direction's contained angle for the acute angle, and the B type strengthening rib 10 that contacts with two sides of water drainage tank body 1 is the acute angle with horizontal direction's contained angle, water inlet 4 is the acute angle with horizontal direction's contained angle.
Preferably, the connecting clamping grooves 7 are arranged at two ends of the drainage channel body 1.
Preferably, the drainage channel bodies 1 are fixed and extended with each other through a connecting clamping groove 7.
Preferably, the horizontal strengthening rib 9 of A type is located the intermediate position of two adjacent water inlets 4, and it transversely runs through the top surface and two sides of water drainage tank body 1, the top surface contact part and the vertical strengthening rib 3 mutually perpendicular of horizontal strengthening rib 9 of A type and water drainage tank body 1, the perpendicular and horizontal direction of the side contact part of horizontal strengthening rib 9 of A type and water drainage tank body 1.
Preferably, the number of the water inlets 4 is 2 times of the number of the B-shaped reinforcing ribs 10.
Preferably, there are two longitudinal ribs 3.
Preferably, the number of the a-type transverse ribs 9 is one less than the number of the B-type ribs 10.
The beneficial effects of the invention include: the transverse and longitudinal reinforcing ribs arranged on the drainage channel body improve the pressure resistance of the drainage channel body, so that the drainage channel body is firm and durable, the trapezoidal water inlets and the grating holes which are mutually symmetrical are specially arranged at two sides of the drainage channel body, the water inflow rate of rainwater can be increased in the rainwater drainage process, the drainage efficiency of the rainwater is improved, the rainwater can be drained in the same direction, the internal slot is designed in the actual use process, whether the internal slot is inserted into the plugboard or not can be selected according to the drainage flow and the drainage direction of the rainwater, for example, if only one side is required for drainage, the internal slot at one side for drainage can be selected not to be inserted into the plugboard, the plugboard is inserted into the internal slot at the other side, one side can be ensured for drainage, if both sides are required for drainage, the plugboards can not be inserted into the internal slots at both sides, both sides can be used for drainage, if, it may become a water channel. Horizontal strengthening rib on the water drainage tank body and water drainage tank's vault design can also play the effect of rainwater water conservancy diversion, makes the rainwater that will collect at water inlet and grid hole, has further increaseed the inflow rate of rainwater, has improved the drainage efficiency of rainwater, and the drainage effect is more smooth and easy, effective, improves the high-efficient collection utilization of rainwater.
The siphon-type drainage channel with trapezoidal dome structure is utilized for collecting rainwater efficiently, it should be understood that the above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. High-efficient collection of rainwater utilizes trapezoidal vault structure hydrocone type water drainage tank, its characterized in that: comprises a drainage tank body (1), a transverse reinforcing rib (2), a longitudinal reinforcing rib (3), a water inlet (4), a drainage channel (5), an internal slot (6) and a connecting clamping groove (7), wherein the transverse reinforcing rib (2) is divided into two types, namely an A-type transverse reinforcing rib (9) and a B-type reinforcing rib (10), the internal slot (6) is connected with the water inlet (4) and is positioned at the inner side of the drainage tank body (1), the internal slot (6) can be inserted into a plugboard (11), the drainage tank body (1) is of a vault structure, the water inlet (4) is arranged at two sides of the drainage tank body (1), the quantity of the water inlets (4) arranged at two sides is equal and symmetrical to each other, the opening of the water inlet (4) faces to the water inflow direction, the water inlets (4) at two sides of the drainage tank body (1) are respectively provided with a grid hole (8) and the, the water inlet (4) is communicated with the drainage channel (5), the water inlet (4) is of a trapezoidal structure, and the width of one end, communicated with the drainage channel (5), of the water inlet (4) is larger than that of the other end of the water inlet.
2. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: b type strengthening rib (10) are located both sides corresponding water inlet (4), and it transversely runs through the top surface and two sides of water drainage tank body (1), and the vertical strengthening rib of B type strengthening rib (10) perpendicular to (3) that contact with the top surface of water drainage tank body (1), B type strengthening rib (10) that are located above water inlet (4) are the acute angle with the contained angle of horizontal direction, and B type strengthening rib (10) that contact with two sides of water drainage tank body (1) are the acute angle with the contained angle of horizontal direction, water inlet (4) are the acute angle with the contained angle of horizontal direction.
3. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: the connecting clamping grooves (7) are arranged at two ends of the drainage channel body (1).
4. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: the drainage channel body (1) is mutually fixed and extended through the connecting clamping groove (7).
5. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: the horizontal strengthening rib of A type (9) are located the intermediate position of two adjacent water inlets (4), and it transversely runs through the top surface and two sides of water drainage tank body (1), the top surface contact site and vertical strengthening rib (3) mutually perpendicular of the horizontal strengthening rib of A type (9) and water drainage tank body (1), the side contact site perpendicular and the horizontal direction of the horizontal strengthening rib of A type (9) and water drainage tank body (1).
6. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: the number of the water inlets (4) is 2 times of that of the B-shaped reinforcing ribs (10).
7. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: two longitudinal reinforcing ribs (3) are arranged.
8. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: the number of the A-shaped transverse reinforcing ribs (9) is one less than that of the B-shaped reinforcing ribs (10).
9. The efficient rainwater collection siphon-type drainage channel with the trapezoidal arch crown structure according to claim 1, is characterized in that: the drainage channel body (1) and the plugboard (11) are made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010462343.5A CN111636630A (en) | 2020-05-29 | 2020-05-29 | Siphon type drainage channel with trapezoidal vault structure for efficiently collecting and utilizing rainwater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010462343.5A CN111636630A (en) | 2020-05-29 | 2020-05-29 | Siphon type drainage channel with trapezoidal vault structure for efficiently collecting and utilizing rainwater |
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| Publication Number | Publication Date |
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| CN111636630A true CN111636630A (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010462343.5A Pending CN111636630A (en) | 2020-05-29 | 2020-05-29 | Siphon type drainage channel with trapezoidal vault structure for efficiently collecting and utilizing rainwater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113323291A (en) * | 2021-06-15 | 2021-08-31 | 德州建邦优科技发展有限公司 | Drainage channel and roof drainage system |
| CN113653270A (en) * | 2021-05-21 | 2021-11-16 | 科顺防水科技股份有限公司 | Drainage channel |
| CN113775020A (en) * | 2021-09-16 | 2021-12-10 | 科顺防水科技股份有限公司 | Rainwater management system |
| CN113833213A (en) * | 2021-09-16 | 2021-12-24 | 科顺防水科技股份有限公司 | Flexible water drainage tank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004251075A (en) * | 2003-02-21 | 2004-09-09 | Takiron Co Ltd | Siphon type rainwater draining device |
| CN209163260U (en) * | 2018-10-24 | 2019-07-26 | 科顺防水科技股份有限公司 | A kind of novel fabricated plantation top plate draining blind slot |
| CN209670019U (en) * | 2018-11-20 | 2019-11-22 | 杭州畅通市政工程有限公司 | A kind of town road drainage arrangement |
| CN212689424U (en) * | 2020-05-29 | 2021-03-12 | 江苏宇顺新型建材有限公司 | Siphon type drainage channel with trapezoidal vault structure for efficiently collecting and utilizing rainwater |
-
2020
- 2020-05-29 CN CN202010462343.5A patent/CN111636630A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004251075A (en) * | 2003-02-21 | 2004-09-09 | Takiron Co Ltd | Siphon type rainwater draining device |
| CN209163260U (en) * | 2018-10-24 | 2019-07-26 | 科顺防水科技股份有限公司 | A kind of novel fabricated plantation top plate draining blind slot |
| CN209670019U (en) * | 2018-11-20 | 2019-11-22 | 杭州畅通市政工程有限公司 | A kind of town road drainage arrangement |
| CN212689424U (en) * | 2020-05-29 | 2021-03-12 | 江苏宇顺新型建材有限公司 | Siphon type drainage channel with trapezoidal vault structure for efficiently collecting and utilizing rainwater |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653270A (en) * | 2021-05-21 | 2021-11-16 | 科顺防水科技股份有限公司 | Drainage channel |
| CN113323291A (en) * | 2021-06-15 | 2021-08-31 | 德州建邦优科技发展有限公司 | Drainage channel and roof drainage system |
| CN113323291B (en) * | 2021-06-15 | 2023-02-17 | 山东双策海绵城市建设有限公司 | Drainage channel and roof drainage system |
| CN113775020A (en) * | 2021-09-16 | 2021-12-10 | 科顺防水科技股份有限公司 | Rainwater management system |
| CN113833213A (en) * | 2021-09-16 | 2021-12-24 | 科顺防水科技股份有限公司 | Flexible water drainage tank |
| CN113775020B (en) * | 2021-09-16 | 2022-11-08 | 科顺防水科技股份有限公司 | Rainwater management system |
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