CN105401649B - A kind of rainwater water inlet for early-stage rainwater filtering blocks dirty sieve - Google Patents
A kind of rainwater water inlet for early-stage rainwater filtering blocks dirty sieve Download PDFInfo
- Publication number
- CN105401649B CN105401649B CN201510980727.5A CN201510980727A CN105401649B CN 105401649 B CN105401649 B CN 105401649B CN 201510980727 A CN201510980727 A CN 201510980727A CN 105401649 B CN105401649 B CN 105401649B
- Authority
- CN
- China
- Prior art keywords
- rainwater
- filter layer
- nitrogen
- filter
- deflector
- 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.)
- Active
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 28
- 239000011574 phosphorus Substances 0.000 claims abstract description 28
- 238000001179 sorption measurement Methods 0.000 claims abstract description 23
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000010881 fly ash Substances 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 239000004927 clay Substances 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 nitrate ions Chemical class 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000003017 phosphorus Chemical class 0.000 description 1
- 231100000719 pollutant Toxicity 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
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Filtering Materials (AREA)
Abstract
本发明公开了一种用于初期雨水过滤的雨水进水口拦污筛，包括一个下部与市政管道连通的雨水口，在雨水口的上端设有雨水篦子，在雨水篦子的下方设有至少一层过滤层，在雨水篦子与过滤层之间设有氮磷吸附结构；所述雨水篦子的下方设有将雨水导流到所述过滤层的导流板。本发明的有益效果是：通过氮磷吸附结构对雨水中的氮磷元素进行有效吸附，有效降低雨水对河道造成的污染；过过滤层对雨水中携带的较大的堵塞物以及较小的杂物进行过滤，有效避免了因杂质对市政管道造成的堵塞；通过导流板的设置，有效保证了雨水先通过过滤层再流向市政管道内。
The invention discloses a rainwater inlet trash screen used for initial rainwater filtration, which comprises a rainwater inlet whose lower part communicates with municipal pipelines, a rainwater grate is arranged at the upper end of the rainwater grate, and at least one layer is arranged under the rainwater grate The filter layer is provided with a nitrogen and phosphorus adsorption structure between the rainwater grate and the filter layer; a deflector for guiding rainwater to the filter layer is provided under the rainwater grate. The beneficial effects of the present invention are: the nitrogen and phosphorus elements in the rainwater are effectively adsorbed by the nitrogen and phosphorus adsorption structure, effectively reducing the pollution caused by the rainwater to the river; It can effectively avoid the blockage of the municipal pipeline caused by impurities; through the setting of the deflector, it can effectively ensure that the rainwater first passes through the filter layer and then flows into the municipal pipeline.
Description
技术领域technical field
本发明涉及雨水处理，具体涉及一种用于初期雨水过滤的雨水进水口拦污筛。The invention relates to rainwater treatment, in particular to a rainwater inlet trash screen used for initial rainwater filtration.
背景技术Background technique
我国城市化发展导致城市内不透水路面增加，由暴雨径流产生的突发性城市内涝已经成为导致城市“看海”的重要原因。随着城市高楼增多，到盛夏，建筑物空调、汽车尾气更加重了城市“雨岛效应”，并且降雨径流携带大量的污染物。但是现有的城市排水设施维护管理不善，多数城市排水管网淤塞严重。所以需要寻求一种适用于现有街道路面的新型雨水径流过滤装置。此外，因空气的污染，雨水，尤其是初期的雨水中，会存在着氨氮和硝酸根离子，磷酸根离子等，市政排水通常直接排入到城市河流内，氮元素和磷元素对河流内的生物环境造成一定的破坏。The development of urbanization in my country has led to the increase of impermeable roads in cities, and the sudden urban waterlogging caused by rainstorm runoff has become an important reason for cities to "look at the sea". With the increase of high-rise buildings in the city, in midsummer, building air conditioners and vehicle exhaust will aggravate the city's "rain island effect", and rainfall runoff will carry a large amount of pollutants. However, the maintenance and management of existing urban drainage facilities are poor, and most urban drainage pipe networks are seriously silted up. So need to seek a kind of novel rainwater runoff filtering device that is applicable to existing street pavement. In addition, due to air pollution, rainwater, especially the initial rainwater, will contain ammonia nitrogen, nitrate ions, phosphate ions, etc. Municipal drainage is usually directly discharged into urban rivers, nitrogen and phosphorus elements in the river Some damage to the biological environment.
发明内容Contents of the invention
本发明的目的是提供一种能有效避免市政管道堵塞的、能吸附氮磷盐的一种用于初期雨水过滤的雨水进水口拦污筛。The object of the present invention is to provide a rainwater inlet trash screen for initial rainwater filtration, which can effectively avoid the clogging of municipal pipes and can absorb nitrogen and phosphorus salts.
为了达成上述目的，本发明采用如下技术方案：In order to achieve the above object, the present invention adopts the following technical solutions:
一种用于初期雨水过滤的雨水进水口拦污筛，包括一个下部与市政管道连通的雨水口，在雨水口的上端设有雨水篦子，在雨水篦子的下方设有至少一层过滤层，在雨水篦子与过滤层之间设有氮磷吸附结构，通过氮磷吸附结构对雨水中的氮磷元素进行有效吸附，有效降低雨水对河道造成的污染；通过过滤层对雨水中携带的较大的堵塞物进行过滤，如泥沙、粘土等。A rainwater inlet trash screen for initial rainwater filtration, comprising a rainwater inlet whose lower part communicates with municipal pipelines, a rainwater grate is arranged at the upper end of the rainwater inlet, and at least one filter layer is arranged under the rainwater grate. There is a nitrogen and phosphorus adsorption structure between the rainwater grate and the filter layer, which can effectively absorb nitrogen and phosphorus elements in the rainwater through the nitrogen and phosphorus adsorption structure, effectively reducing the pollution caused by the rainwater to the river; Filter out blockages such as silt, clay, etc.
进一步地，在所述雨水篦子的下方设有将雨水导流到所述过滤层的导流板，且有效减少湍流。Further, a deflector for guiding rainwater to the filter layer is provided under the rainwater grate, and effectively reduces turbulent flow.
进一步地，所述导流板的端部支撑在所述雨水口处，导流板的中部水平弯折，所述氮磷吸附结构设在水平弯折处，因多数的雨水均是通过地面从雨水口的周边流进雨水口，特将氮磷吸附结构设在靠近雨水口处，所起的作用能达到最大效果。Further, the end of the deflector is supported at the rainwater outlet, the middle part of the deflector is bent horizontally, and the nitrogen and phosphorus adsorption structure is arranged at the horizontal bend, because most rainwater passes through the ground from The periphery of the rainwater flows into the rainwater, and the nitrogen and phosphorus adsorption structure is specially set near the rainwater, so that the effect can achieve the maximum effect.
进一步地，所述氮磷吸附结构表面设有通孔，内部设有装于纺织袋中的粉煤灰和活性炭或碳化秸秆。Further, the surface of the nitrogen and phosphorus adsorption structure is provided with through holes, and the interior is provided with fly ash and activated carbon or carbonized straw packed in textile bags.
进一步地，所述过滤层包括两层，上层过滤层的过滤网的网眼直径大于下层过滤层的网眼直径，通过两层或更多层过滤层的过滤，有效保证了进入市政管道内雨水的干净程度，有利于对环境的保护。Further, the filter layer includes two layers, the mesh diameter of the filter screen of the upper filter layer is larger than the mesh diameter of the lower filter layer, through the filtration of two or more filter layers, the rainwater entering the municipal pipeline is effectively guaranteed to be clean. degree, which is conducive to the protection of the environment.
进一步地，所述过滤层的上部与所述导流板固定连接，导流板在取出的时候，方便将过滤层同时取出，对过滤层进行清洁处理。Further, the upper part of the filter layer is fixedly connected with the deflector, and when the deflector is taken out, it is convenient to take out the filter layer at the same time to clean the filter layer.
进一步地，所述过滤层为上部有开口的框体状，在水流较大时，保证了对雨水的有效过滤。Further, the filter layer is in the shape of a frame with an opening on the top, which ensures effective filtration of rainwater when the water flow is relatively large.
进一步地，所述过滤层的上部可拆卸固定在所述雨水口处。Further, the upper part of the filter layer is detachably fixed at the rainwater outlet.
进一步地，所述氮磷吸附结构为圆环形的结构，既保证了对氮磷的有效吸附，又不会影响堵塞。Further, the nitrogen and phosphorus adsorption structure is a circular structure, which not only ensures effective adsorption of nitrogen and phosphorus, but also does not affect blockage.
或者，所述过滤层呈框体状，侧壁有两层过滤网，底部有过滤网，底部过滤网的网眼直径大于上层过滤网网眼直径，下层过滤网网眼直径小于上层过滤网网眼直径。Or, the filter layer is in the shape of a frame, with two layers of filter screens on the side walls and a filter screen at the bottom, the mesh diameter of the bottom filter screen is larger than the mesh diameter of the upper filter screen, and the mesh diameter of the lower filter screen is smaller than the mesh diameter of the upper filter screen.
本发明的工作原理是：在雨水篦子的下方依次设置导流板、过滤层，并通过氮磷吸附结构对雨水中的氮磷元素进行有效吸附，有效降低雨水对河道造成的污染；通过过滤层对雨水中携带的较大的堵塞物进行过滤，如泥沙、粘土等。The working principle of the present invention is as follows: a deflector and a filter layer are sequentially arranged under the rainwater grate, and the nitrogen and phosphorus elements in the rainwater are effectively adsorbed through the nitrogen and phosphorus adsorption structure, effectively reducing the pollution caused by the rainwater to the river; through the filter layer Filter larger blockages carried by rainwater, such as silt, clay, etc.
本发明的有益效果是：The beneficial effects of the present invention are:
1)通过氮磷吸附结构对雨水中的氮磷元素进行有效吸附，有效降低雨水对河道造成的污染。1) The nitrogen and phosphorus elements in the rainwater can be effectively adsorbed through the nitrogen and phosphorus adsorption structure, and the pollution caused by the rainwater to the river can be effectively reduced.
2)通过过滤层对雨水中携带的较大的堵塞物以及较小的杂物进行过滤，有效避免了因杂质对市政管道造成的堵塞。2) The larger blockages and smaller debris carried in the rainwater are filtered through the filter layer, which effectively avoids the blockage of municipal pipes caused by impurities.
3)通过导流板的设置，有效保证了雨水先通过过滤层再流向市政管道内。3) Through the setting of the deflector, it is effectively ensured that the rainwater first passes through the filter layer and then flows into the municipal pipeline.
附图说明Description of drawings
图1是本发明中雨水口装置的示意图；Fig. 1 is the schematic diagram of gully device among the present invention;
图2是本发明中部分结构的侧视图；Fig. 2 is the side view of partial structure among the present invention;
其中：1.雨水口，2.下层过滤网，3.上层过滤网，4.导流板，5.雨水篦子，6.氮磷吸附结构，7.底部过滤网。Among them: 1. Rainwater outlet, 2. Lower filter, 3. Upper filter, 4. Deflector, 5. Rainwater grate, 6. Nitrogen and phosphorus adsorption structure, 7. Bottom filter.
具体实施方式detailed description
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整的描述。The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
实施例1Example 1
如图1所示，一种用于初期雨水过滤的雨水进水口拦污筛，包括一个下部与市政管道连通的雨水口1，在雨水口1的上端设有雨水篦子5，在雨水篦子5的下方设有一层过滤层，在雨水篦子5与过滤层之间设有氮磷吸附结构6，所述过滤层的上部可拆卸固定在所述雨水口1处。As shown in Figure 1, a kind of rainwater intake trash screen used for initial rainwater filtration comprises a rainwater outlet 1 whose lower part communicates with municipal pipelines, and a rainwater grate 5 is arranged at the upper end of the rainwater inlet 1, and a rainwater grate 5 is arranged at the bottom of the rainwater grate 5. A layer of filter layer is arranged below, and a nitrogen and phosphorus adsorption structure 6 is arranged between the rainwater grate 5 and the filter layer, and the upper part of the filter layer is detachably fixed at the rainwater outlet 1.
所述导流板4的端部支撑在所述雨水口1处，导流板4的中部水平弯折，所述氮磷吸附结构6设在水平弯折处，因多数的雨水均是通过地面从雨水口的周边流进雨水口1，特将氮磷吸附结构6设在靠近雨水口1处，所起的作用能达到最大效果。The end of the deflector 4 is supported at the rainwater outlet 1, the middle of the deflector 4 is bent horizontally, and the nitrogen and phosphorus adsorption structure 6 is arranged at the horizontal bend, because most of the rainwater passes through the ground It flows into the rainwater outlet 1 from the periphery of the rainwater outlet, and the nitrogen and phosphorus adsorption structure 6 is specially arranged near the rainwater outlet 1, so that the effect can reach the maximum effect.
所述氮磷吸附结构6表面设有通孔，内部设有装于纺织袋中的粉煤灰和活性炭或碳化秸秆。The surface of the nitrogen and phosphorus adsorption structure 6 is provided with through holes, and the interior is provided with fly ash and activated carbon or carbonized straw packed in textile bags.
所述过滤层为一层，其的形状为框体，侧面的上层过滤网3的网眼直径大于下层过滤层2的网眼直径，底部过滤网7的网眼直径大于上层过滤网3网眼直径，有效保证了进入市政管道内雨水的干净程度，有利于对环境的保护，具体地，可以将上层过滤网3的网眼设为2mm，下层过滤网2直径为1mm，底部过滤网7的直径为5mm。Described filtering layer is one deck, and its shape is a frame, and the mesh diameter of the upper layer filter screen 3 of side is greater than the mesh diameter of lower floor filter layer 2, and the mesh diameter of bottom filter screen 7 is greater than upper layer filter screen 3 mesh diameters, effectively guarantees In order to ensure the cleanliness of the rainwater entering the municipal pipeline, it is beneficial to the protection of the environment. Specifically, the mesh of the upper filter 3 can be set to 2mm, the diameter of the lower filter 2 is 1mm, and the diameter of the bottom filter 7 is 5mm.
所述氮磷吸附结构6为圆环形的结构，既保证了对氮磷的有效吸附，又不会影响堵塞。The nitrogen and phosphorus adsorption structure 6 is a ring-shaped structure, which not only ensures effective adsorption of nitrogen and phosphorus, but also does not affect blockage.
如果暴雨产生的水位超过了所有的雨水篦子5，可以通过该开放的开口流进市政管网。随着水流直接从开口流出，同时雨水也继续流过其他的分离篦子。这样高强度的暴雨是很罕见的，通常也不会持续很长时间。在降雨结束后，雨水完全排干。If the water level produced by the storm exceeds all the rainwater grates 5, it can flow into the municipal pipe network through the open opening. Rainwater also continues to flow through the other split grates as water flows directly out of the opening. Rainstorms of this intensity are rare and usually don't last long. After the rains ended, the rainwater was completely drained.
实施例2Example 2
过滤层为三层，依次为上层过滤层、下层过滤层和底部过滤层，上层过滤层和下层过滤层均为框体状，底部过滤层为过滤网，底部过滤层的网眼直径最小。The filter layer has three layers, which are the upper filter layer, the lower filter layer and the bottom filter layer in turn. Both the upper filter layer and the lower filter layer are frame-shaped, and the bottom filter layer is a filter net, and the mesh diameter of the bottom filter layer is the smallest.
实施例3Example 3
在所述雨水篦子的下方设有将雨水导流到所述过滤层的导流板。A deflector for guiding rainwater to the filter layer is provided below the rainwater grate.
所述过滤层的上部与所述导流板4固定连接，导流板4在取出的时候，方便将过滤层同时取出，对过滤层进行清洁处理。The upper part of the filter layer is fixedly connected with the deflector 4, and when the deflector 4 is taken out, it is convenient to take out the filter layer at the same time, and clean the filter layer.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。The above is only a preferred embodiment of the present invention, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principle of the present invention. It should be regarded as the protection scope of the present invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980727.5A CN105401649B (en) | 2015-12-23 | 2015-12-23 | A kind of rainwater water inlet for early-stage rainwater filtering blocks dirty sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510980727.5A CN105401649B (en) | 2015-12-23 | 2015-12-23 | A kind of rainwater water inlet for early-stage rainwater filtering blocks dirty sieve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105401649A CN105401649A (en) | 2016-03-16 |
| CN105401649B true CN105401649B (en) | 2017-11-17 |
Family
ID=55467369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510980727.5A Active CN105401649B (en) | 2015-12-23 | 2015-12-23 | A kind of rainwater water inlet for early-stage rainwater filtering blocks dirty sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105401649B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107585893A (en) * | 2017-09-30 | 2018-01-16 | 武汉圣禹排水系统有限公司 | A kind of rainwater filtering device |
| CN107585892A (en) * | 2017-09-30 | 2018-01-16 | 武汉圣禹排水系统有限公司 | A kind of rainwater filtering device |
| CN107724507A (en) * | 2017-11-07 | 2018-02-23 | 北京建筑大学 | A kind of gutter inlet device |
| CN107859150B (en) * | 2017-12-18 | 2023-08-15 | 中国海洋大学 | Catch basin system |
| CN108298707A (en) * | 2018-01-06 | 2018-07-20 | 江苏恒绿建设工程有限公司 | A kind of rain processing system for sponge overhead road of city road surface |
| CN111350262A (en) * | 2020-03-23 | 2020-06-30 | 中电建生态环境集团有限公司 | Environment-friendly inlet for stom water |
| CN112196067A (en) * | 2020-09-30 | 2021-01-08 | 南昌大学 | Integrated drainage outlet trash blocking structure for initial rainwater filtration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202174Y (en) * | 2008-05-21 | 2009-03-04 | 北京市水利科学研究所 | Environmentally friendly rainwater filter bucket |
| CN102926454A (en) * | 2012-10-25 | 2013-02-13 | 苏州市清泽环境技术有限公司 | Suspended type catch basin filtering device |
| CN103741783A (en) * | 2014-01-22 | 2014-04-23 | 北京建筑大学 | Efficient pollutant intercepting device for gutter inlet |
| CN204570880U (en) * | 2015-04-18 | 2015-08-19 | 重庆文理学院 | A kind of urban road storm runoff purifier |
| CN205206020U (en) * | 2015-12-23 | 2016-05-04 | 山东大学 | Be used for filterable rainwater water inlet of initial stage rainwater to block dirty sieve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101263631B1 (en) * | 2012-12-21 | 2013-05-10 | 코리아이엔티 주식회사 | The apparatus of reducing non-point pollution material in rainwater with easy maintenance |
-
2015
- 2015-12-23 CN CN201510980727.5A patent/CN105401649B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201202174Y (en) * | 2008-05-21 | 2009-03-04 | 北京市水利科学研究所 | Environmentally friendly rainwater filter bucket |
| CN102926454A (en) * | 2012-10-25 | 2013-02-13 | 苏州市清泽环境技术有限公司 | Suspended type catch basin filtering device |
| CN103741783A (en) * | 2014-01-22 | 2014-04-23 | 北京建筑大学 | Efficient pollutant intercepting device for gutter inlet |
| CN204570880U (en) * | 2015-04-18 | 2015-08-19 | 重庆文理学院 | A kind of urban road storm runoff purifier |
| CN205206020U (en) * | 2015-12-23 | 2016-05-04 | 山东大学 | Be used for filterable rainwater water inlet of initial stage rainwater to block dirty sieve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105401649A (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105401649B (en) | A kind of rainwater water inlet for early-stage rainwater filtering blocks dirty sieve | |
| CN204530943U (en) | A kind of early-stage rainwater part flow arrangement | |
| CN207047995U (en) | A kind of rainwater treatment device and sewerage system | |
| CN105435495B (en) | A kind of efficient rain water filtering device | |
| CN106835972A (en) | A kind of rain-water accumulating system of sponge-type ecology bridge | |
| CN107653961A (en) | Rainwater collecting device | |
| CN107190840B (en) | Roof rainwater collecting and processing system suitable for old community transformation | |
| CN205206020U (en) | Be used for filterable rainwater water inlet of initial stage rainwater to block dirty sieve | |
| CN203307872U (en) | Rainwater collecting, purifying and recycling integrated system for residential communities | |
| CN106995257A (en) | A kind of city initial rainwater deep-purifying method | |
| CN206564885U (en) | A kind of soil stabilizing apparatus suitable for sponge urban infrastructures such as Glassed swales | |
| CN209443513U (en) | A kind of Household rainwater is collected and purification integrated device | |
| CN206888165U (en) | A kind of anticlogging municipal drainage pipeline | |
| CN207079825U (en) | A kind of skyscraper device for recycling rainwater | |
| CN204385867U (en) | Green space system is irrigate in a kind of false inlet for stom water reservoir hand well irrigation | |
| CN103785220B (en) | A kind of building rain water filtering device | |
| CN208870147U (en) | A kind of recessed greenbelt receipts water purifier of town road | |
| CN104975644A (en) | Special pipe storage system for road initial rainwater | |
| CN207032458U (en) | Dirty system is cut in a kind of rural area combined system open channel end every slag | |
| CN205296277U (en) | Rainwater flow discarding device | |
| CN211228815U (en) | Town road drainage structures | |
| CN212561843U (en) | City view rainwater reservoir system | |
| CN109250859A (en) | A kind of resident living area initial rainwater runoff intercepts, purification equipment | |
| CN205391933U (en) | Rainwater collecting and processing device | |
| CN106930395A (en) | A kind of sponge city initial rainwater controls facility |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |