CN205204913U - A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization - Google Patents
A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization Download PDFInfo
- Publication number
- CN205204913U CN205204913U CN201520858892.9U CN201520858892U CN205204913U CN 205204913 U CN205204913 U CN 205204913U CN 201520858892 U CN201520858892 U CN 201520858892U CN 205204913 U CN205204913 U CN 205204913U
- Authority
- CN
- China
- Prior art keywords
- water
- ecological filter
- well
- stealthy
- layer
- 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
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization, including the sump pit, retaining well and ecological filtering pond, the sump pit, retaining well and ecological filtering pond set gradually under to from last on the bank protection, the bottom of sump pit is provided with the water inlet that communicates with the shaft bottom portion of impounding, be provided with aeration equipment in the retaining well, follow the supreme rubble packing layer that is provided with down in the ecological filtering pond, the zeolite packing layer, thin gravel filter layer and sand layer, be provided with the bank protection plant on the sand layer, the sand in situ is provided with the water distributor with the well intercommunication that impounds, be provided with the delivery port with rubble packing layer intercommunication on the ecological filtering pond. The utility model discloses the artifical bank protection of rational utilization can effectual purifications rainwater, nos secondary pollution, and the operation is simple and convenient, can be with the direct and lake water environmental facies integration of the rainwater after purifying, can utilize lake water the water pump to carry out dystopy purification treatment in rising to ecological filtering pond system in non - flood season.
Description
Technical field
The utility model relates to environmental ecology field of purification, more specifically relates to the stealthy ecological filter tank system collecting reuse for early-stage rainwater.
Background technology
Rainwater is as a kind of natural resources of high-quality, and Collection and use is convenient, has important effect to regulating, supplementing city water resource and improve the Urban Natural ecosystem.Rainwater ecological process is significant to supplementary town water, and what the urban construction of China 99% was taked is all arrange pattern soon, and rainwater falls the gross rainfall that hardened ground needs to be drained more than 80% by pipeline.This construction mode, easily cause meet rain must flood, now, country is for improving this traditional rainwater treatment mode, propose the target that " sponge city " is built, " sponge city " refers to that city as sponge, can have good " elasticity " in conform change and reply natural disaster etc., water suction when raining, retaining, infiltration, water purification, be used the water stored " release " when needing.Rainwater resource after treatment can be widely used in the middle of urban look, and as afforestation is irrigated, urban look use water supplements, and also can be used for fire-fighting, flushes the toilet, the every aspect of the life of urban resident such as carwash.
But the pollution problem of early-stage rainwater is at home and abroad paid close attention to gradually widely.Early-stage rainwater has scouring effect, a large amount of pollutent is all contained in the air in city and ground, the rainfall initial stage, pollution gas a large amount of in air has been dissolved in rainwater, after dropping to ground, owing to washing away asphalt felt roofing, asphalt concrete road, construction site etc., make in rainwater in early stage containing a large amount of pollution substances such as organism, pathogenic agent, heavy metal, grease, suspended solids.Along with the motion of rainfall runoff, also result in rainwater runoff pollution, cause Urban Water Environment to run down, the necessity of urban rainwater eco-utilization is more outstanding.
In order to better process the pollution problem of early-stage rainwater, ecological filter technology is arisen at the historic moment.This technology is in by water, permanent or intermittence a kind of ecosystem with unique texture and power that matrix under water saturation state and hydrobiont form; it is for protection species diversity; improve physical environment, protection and purified water source have vital role.
Utility model content
The purpose of this utility model is the problems referred to above being to exist for prior art, is provided for the stealthy ecological filter tank system that early-stage rainwater collects reuse.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
The stealthy ecological filter tank system of reuse is collected for early-stage rainwater, comprise pump well, also comprise retaining well and ecological filter, pump well, retaining well and ecological filter set gradually from top to bottom on bank protection, the bottom of pump well is provided with the water-in be communicated with retaining bottom, aerating apparatus is provided with in retaining well, crushed rock filler layer is provided with from bottom to up in ecological filter, zeolite filler layer, bird's-eye gravel packing layer and sandy soils, sandy soils is provided with slope-protecting plant, the water distributor be communicated with retaining well is provided with in sandy soils, ecological filter is provided with the water outlet be communicated with crushed rock filler layer.
The bottom of pump well as above is provided with settled layer, the top of pump well is provided with piston filter net, the sidewall of pump well is provided with the overflow port be communicated with retaining well, piston filter net is stainless steel net cage, stainless steel net cage is by steel wire hang in pump well, and the bottom of stainless steel net cage is higher than overflow port.
Settled layer as above is the mixed fillers of vermiculite and zeolite, and the particle diameter of vermiculite and zeolite all selects diameter between 5-10mm.
The feed-water end of water distributor as above is higher than the water side of water-in, and the feed-water end of water distributor is lower than overflow port.
Impervious barrier is provided with under pump well as above, retaining well and ecological filter.
Aerating apparatus as above is arranged on the inwall of retaining well.
Water distributor distance bird's-eye gravel packing layer top layer 10-20cm as above.
The particle diameter of bird's-eye gravel packing layer as above is 5-10mm; The particle diameter of zeolite filler layer is 10-16mm; The particle diameter of crushed rock filler layer is 16-30mm.
Slope-protecting plant as above is one or more in rye grass, reed, cattail, Scirpus tabernaemontani, Canna generalis Bailey.
The utility model compared with prior art, has the following advantages:
Design mainly for initial rainwater pollutant matter content is higher, solve the non-environmental protection mode in the past will carrying out abandoned stream process to early-stage rainwater; The artificial bank protection of Appropriate application, effectively avoids the restriction of land resources, has certain landscape effect; Utilize ecological filter technology can effective purifying rainwater, non-secondary pollution; Whole ecological filter tank system runs easy, and later maintenance is easy to operate, effectively alleviates the burden of manual maintenance; In the local addressing nearer with lake, the rainwater after purification directly can be merged mutually with Water Environment In Lakes, lake water can be utilized in water pump lifting to ecological filter tank system at non-flood period and carry out dystopy purifying treatment.
Accompanying drawing explanation
The sectional view of this ecological filter tank system of Fig. 1;
Fig. 2 water distributor schematic diagram.
In figure: 1-pump well, 2-piston filter net, 3-settled layer, 4-water-in, 5-impervious barrier, 6-retaining well, 7-overflow port, 8-aerating apparatus, 9-water distributing pore, 10-water distributor, 11-sandy soils, 12-slope-protecting plant, 13-bird's-eye gravel packing layer, 14-zeolite filler layer, 15-crushed rock filler layer, 16-blocks water wall, 17-water outlet, 18-ecological filter.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in Figure 1, the utility model is based upon under artificial bank protection, for the treatment of the implicit form ecological filter tank system of early-stage rainwater, first this ecological filter will select the bank protection in nature lake to carry out excavation of earthwork, after completing excavation of earthwork, first lay impervious barrier 5, the anti seepage membrane that impervious barrier 5 adopts the fine geotextile of two-layer length and arranges between the fine geotextile of two-layer length, anti seepage membrane can select the high density polyethylene(HDPE) anti seepage membrane of Changsha Jian Yi novel material company limited.
Anti seepage membrane is arranged between the fine geotextile of two-layer length, effectively can prevent infiltration, build pump well 1 and retaining well 6, all adopt concrete material, the size of pump well 1 and retaining well 6 should be arranged according to the rainfall amount of locality, early-stage rainwater refers generally to the rainfall amount of 15min before rainfall, the storage capacity of retaining well 6 should higher than pump well 1, piston filter net 2 and settled layer 3 is comprised in pump well 1, piston filter net 2 can be the stainless steel net cage of uncovered, stainless steel net cage size can design according to the diameter of pump well 1, the Mesh Diameter of stainless steel net cage is designed to 0.3mm, precision is higher, effectively can tackle early-stage rainwater and wash away entrained rubbish and tiny particle, with wireline, this piston filter net 2 is suspended in pump well 1, overflow port 7 is higher than bottom piston filter net 2, when needs are cleared up, wireline is tightened up, piston filter net 2 is carried to the well head that catchments, the material wherein tackled can be cleared up, facilitate post-processed, effectively alleviate the burden of later stage manual maintenance.Settled layer 3 is the mixed fillers of vermiculite and zeolite, and wherein, the particle diameter of vermiculite and zeolite is between 5-10mm, and the ratio of 1:1 mixes in mass ratio; The height of settled layer 3 is the 30%-40% of pump well 1 height, and settled layer 3 can carry out primary purifying to early-stage rainwater; The packing layer of ecological filter comprises the bird's-eye gravel packing layer 13, zeolite filler layer 14 and the crushed rock filler layer 15 that arrange from top to bottom in vertical direction, the ratio that bird's-eye gravel packing layer 13, zeolite filler layer 14 and crushed rock filler layer 15 are 2:3:5 according to Thickness Ratio is arranged in order composition, wherein, in bird's-eye gravel packing layer 13, the particle diameter of bird's-eye gravel is between 5-10mm, the particle diameter of the zeolite in zeolite filler layer 14 is between 10-16mm, and the particle diameter of the rubble in crushed rock filler layer 15 is between 16-30mm.Sandy soils 11 is laid above packing layer, sandy soils 11 is the mixture of fine sand and soil, good living environment can be provided for plant, then slope-protecting plant 12 is planted, slope-protecting plant adopts multiple applicable plant to carry out mixed planting, not only beautify the environment but also can prevent bank protection soil erosion, slope-protecting plant is the various plants mix and match plantations such as rye grass, reed, cattail, Scirpus tabernaemontani, Canna generalis Bailey.The wall 16 that blocks water is concrete structure, can prevent rain penetration and fixing artificial bank protection.To block water wall 16 in the foundation bottom of artificial bank protection, for preventing the rain penetration after sandstone landing and purification.Water distributor 10 is arranged on the bottom of sandy soils 11, distance bird's-eye gravel packing layer 13 top layer 10-20cm (preferred 15cm place), the direction of vertical surface to bird's-eye gravel packing layer 13 is provided with uniform water distributing pore, water distributing pore diameter can carry out suitable setting according to rainfall amount, keep rainwater vertically to decline, the feed-water end of water distributor 10 is higher than the water side of water-in 4.
The position that this ecological filter tank system chosen distance lake waters is nearer, is conducive to reducing the pollution of area source into lake, is conducive to the storm-water drainage after processing, can utilizes water pump that lake water is evacuated to ecological filter simultaneously carry out purifying treatment at non-flood period.
Rainwater enters pump well 1 by Ji Yuqu, flow through piston filter net 2, get rid of wherein tiny gravel and rubbish, then enter settled layer 3 and accept primary purifying, after rainfall continues for some time, rainwater in pump well 1 can reach the height of overflow port 7, rainwater can directly enter retaining well 6 by overflow port 7, retaining well 6 is entered into by water-in 4 by the early-stage rainwater of settled layer 3, when moisture storage capacity reaches the position of water distributor 10, rainwater starts to enter water distributor, and enter ecological filter tank system by water distribution mouth 9 (as shown in Figure 2) equally distributed on water distributor, after certain hydraulic detention time, nature water body in lake is disposed to through water outlet 17, when non-flood period, can utilize water pump that the water in lake is evacuated to retaining well 6, make it by ecological filter tank system, the target of purifying water body can be reached.
The method of the stealthy ecological filter tank system construction of reuse is collected for early-stage rainwater:
1, choose artificial bank protection, optimal selection is the position nearer with lake waters;
2, ecological filter tank system is set up; Carry out in the following order:
Step 1, carry out on bank protection pump well 1, retaining well 6 and ecological filter 18 excavation of earthwork construction, after completing excavation of earthwork, lay impervious barrier 5 in the bottom of pump well 1, retaining well 6 and ecological filter 18 position, impervious barrier 5 comprises the long fine geotextile of the first layer set gradually and anti seepage membrane and the long fine geotextile of the second layer;
Step 2, use concrete construction pump well 1, retaining well 6 and ecological filter 18, the storage capacity of retaining well 6 is greater than the storage capacity of pump well 1; The volume of pump well 1 and retaining well 6 can design accordingly according to the rainfall amount in the area building this ecological filter;
Step 3, on pump well 1, arrange water-in 4 and overflow port 7, water-in 4 is positioned at distance set well bottom 10-20cm place; Arranging of overflow port 7 can design according to the practical situation of local rainfall amount;
Step 4, bottom pump well 1, lay settled layer 3, settled layer 3 is the mixed fillers of vermiculite and zeolite, and the particle diameter of vermiculite and zeolite is between 5-10mm, and heavy is highly pump well 1 30%-40% highly by layer 3, and the mass ratio of vermiculite and zeolite is 1:1;
Step 5, piston filter net 2 is set in pump well 1, piston filter net 2 is the stainless steel net cage of uncovered, the Mesh Diameter of stainless steel net cage is 0.3mm, stainless steel net cage by steel wire hang in pump well 1, be higher than overflow port 7 bottom stainless steel net cage, stainless steel net cage size can design according to the diameter of pump well 1;
Step 6, aerating apparatus 8 is set at the sidewall of retaining well 6, ensures that rainwater can fully contact with air;
Step 7, in ecological filter 18 lay packing layer, packing layer comprises the bird's-eye gravel packing layer 13, zeolite filler layer 14 and the crushed rock filler layer 15 that arrange from top to bottom, the Thickness Ratio of bird's-eye gravel packing layer 13, zeolite filler layer 14 and crushed rock filler layer 15 is 2:3:5, wherein, the particle diameter of bird's-eye gravel packing layer 13 is 5-10mm, the particle diameter of zeolite filler layer 14 is 10-16mm, and the particle diameter of crushed rock filler layer 15 is 16-30mm;
Step 8, water distributor 10 is arranged on the distance surperficial 10-20cm place of bird's-eye gravel packing layer 13, water distributor 10 is provided with uniform water distributing pore towards the side of bird's-eye gravel packing layer 13, the feed-water end of water distributor 10 is communicated with retaining well 6, and water distributor 10 sandy soils 11 covers; Water distributing pore diameter can carry out suitable setting according to rainfall amount, and sandy soils 11 can be the mixture of fine sand and soil, can provide good living environment for plant;
Step 9, on sandy soils 11, plant slope-protecting plant, slope-protecting plant 12 is one or more in rye grass, reed, cattail, Scirpus tabernaemontani, Canna generalis Bailey, slope-protecting plant adopts multiple applicable plant to carry out mixed planting, not only beautifies the environment but also can prevent bank protection soil erosion.
Step 10, on ecological filter 18, set out the mouth of a river (12), the height of water outlet (12) is 30% of crushed rock filler layer 15 height.
According to above-mentioned steps, selected suitable region, set up and be used for the stealthy ecological filter tank system that early-stage rainwater collects reuse, construction area is carried out to the early-stage rainwater data monitoring of 3 months by a definite date, concrete sampling process is: when starting to form early-stage rainwater pavement runoff at every turn, collects a certain amount of rainwater water sample, carry out the detection of indices in laboratory with polyethylene bottle, collect simultaneously and carry out indices monitoring by the early-stage rainwater of native system, concrete treatment effect sees the following form:
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (9)
1. the stealthy ecological filter tank system of reuse is collected for early-stage rainwater, comprise pump well (1), it is characterized in that, also comprise retaining well (6) and ecological filter (18), pump well (1), retaining well (6) and ecological filter (18) set gradually from top to bottom on bank protection, the bottom of pump well (1) is provided with the water-in (4) be communicated with retaining well (6) bottom, aerating apparatus (8) is provided with in retaining well (6), crushed rock filler layer (15) is provided with from bottom to up in ecological filter (18), zeolite filler layer (14), bird's-eye gravel packing layer (13) and sandy soils (11), sandy soils (11) is provided with slope-protecting plant (12), the water distributor (10) be communicated with retaining well (6) is provided with in sandy soils (11), ecological filter (18) is provided with the water outlet (17) be communicated with crushed rock filler layer (15).
2. the stealthy ecological filter tank system collecting reuse for early-stage rainwater according to claim 1, it is characterized in that, the bottom of described pump well (1) is provided with settled layer (3), the top of pump well (1) is provided with piston filter net (2), the sidewall of pump well (1) is provided with the overflow port (7) be communicated with retaining well (6), piston filter net (2) is stainless steel net cage, stainless steel net cage is by steel wire hang in pump well, and the bottom of stainless steel net cage is higher than overflow port (7).
3. according to claim 2ly collect the stealthy ecological filter tank system of reuse for early-stage rainwater, it is characterized in that, the mixed fillers that described settled layer (3) is vermiculite and zeolite, the particle diameter of vermiculite and zeolite all selects diameter between 5-10mm.
4. according to claim 2ly collect the stealthy ecological filter tank system of reuse for early-stage rainwater, it is characterized in that, the feed-water end of described water distributor (10) is higher than the water side of water-in (4), and the feed-water end of water distributor (10) is lower than overflow port (7).
5. the stealthy ecological filter tank system collecting reuse for early-stage rainwater according to claim 1, is characterized in that, be provided with impervious barrier (5) under described pump well (1), retaining well (6) and ecological filter (18).
6. the stealthy ecological filter tank system collecting reuse for early-stage rainwater according to claim 1, it is characterized in that, described aerating apparatus (8) is arranged on the inwall of retaining well (6).
7. the stealthy ecological filter tank system collecting reuse for early-stage rainwater according to claim 1, is characterized in that, described water distributor (10) distance bird's-eye gravel packing layer (13) top layer 10-20cm.
8. the stealthy ecological filter tank system collecting reuse for early-stage rainwater according to claim 1, it is characterized in that, the particle diameter of described bird's-eye gravel packing layer (13) is 5-10mm; The particle diameter of zeolite filler layer (14) is 10-16mm; The particle diameter of crushed rock filler layer (15) is 16-30mm.
9. according to claim 1ly collect the stealthy ecological filter tank system of reuse for early-stage rainwater, it is characterized in that, described slope-protecting plant (12) is rye grass, reed, cattail, Scirpus tabernaemontani, one in Canna generalis Bailey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858892.9U CN205204913U (en) | 2015-10-30 | 2015-10-30 | A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858892.9U CN205204913U (en) | 2015-10-30 | 2015-10-30 | A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205204913U true CN205204913U (en) | 2016-05-04 |
Family
ID=55842641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858892.9U Active CN205204913U (en) | 2015-10-30 | 2015-10-30 | A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205204913U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174484A (en) * | 2015-10-30 | 2015-12-23 | 武汉中科水生环境工程股份有限公司 | Invisible ecological filter tank system and method for collecting and reusing initial rainwater |
| CN106988404A (en) * | 2017-03-17 | 2017-07-28 | 江苏大学 | A kind of sponge urban construction rainwater regulating pondage system |
| CN110183036A (en) * | 2019-05-20 | 2019-08-30 | 北京都润生态环境工程有限公司 | A kind of rainwater detects purification system automatically |
| CN111056702A (en) * | 2019-12-11 | 2020-04-24 | 安徽百和环保科技有限公司 | A water clean system for river course tributary mouth |
| WO2020147202A1 (en) * | 2019-01-15 | 2020-07-23 | 复旦大学 | Novel ecological slope protection having high-efficiency water purification function and ecological improvement method |
-
2015
- 2015-10-30 CN CN201520858892.9U patent/CN205204913U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174484A (en) * | 2015-10-30 | 2015-12-23 | 武汉中科水生环境工程股份有限公司 | Invisible ecological filter tank system and method for collecting and reusing initial rainwater |
| CN105174484B (en) * | 2015-10-30 | 2017-08-08 | 武汉中科水生环境工程股份有限公司 | The stealthy ecological filter tank system and method for reuse are collected for early-stage rainwater |
| CN106988404A (en) * | 2017-03-17 | 2017-07-28 | 江苏大学 | A kind of sponge urban construction rainwater regulating pondage system |
| CN106988404B (en) * | 2017-03-17 | 2020-06-09 | 江苏大学 | Sponge is rainwater regulation system for city construction |
| WO2020147202A1 (en) * | 2019-01-15 | 2020-07-23 | 复旦大学 | Novel ecological slope protection having high-efficiency water purification function and ecological improvement method |
| CN110183036A (en) * | 2019-05-20 | 2019-08-30 | 北京都润生态环境工程有限公司 | A kind of rainwater detects purification system automatically |
| CN111056702A (en) * | 2019-12-11 | 2020-04-24 | 安徽百和环保科技有限公司 | A water clean system for river course tributary mouth |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105174484A (en) | Invisible ecological filter tank system and method for collecting and reusing initial rainwater | |
| CN106284588B (en) | A kind of rainwater treatment and stocking system available for sponge city | |
| CN106869238B (en) | A kind of massif sponge city three-stage rainwater-collecting purification utilization system | |
| CN208235696U (en) | Rainwater garden system based on sponge ecosystem water purification | |
| CN205204913U (en) | A stealthy ecological filtering pond system that is used for initial stage rainwater to collect retrieval and utilization | |
| CN101412564B (en) | Wet land technique for deep purification of tail water of sewage plant | |
| CN106830506A (en) | A kind of intensified denitrification and dephosphorization biology delaying basin for being applied to sponge urban construction | |
| CN105735405B (en) | A kind of rainwater collecting and treating system on building roof | |
| CN207211336U (en) | A kind of novel rainwater is detained filtration system | |
| CN108729326A (en) | Self-purification drainage system for the strand highway construction of sponge city | |
| CN204690903U (en) | Community system for reclaiming rainwater | |
| CN208104958U (en) | A kind of ecostagnation band applied to town road | |
| CN206408676U (en) | A kind of cell environment landscape planting rain collector | |
| CN105926709B (en) | It is multi-functional to store row's Rain Garden system | |
| CN107386415A (en) | Electronic water lift self-restraint lawn and intercepting pollution for rainwater ecological pavement | |
| CN102219335A (en) | Earthworm soil diafiltration for ecologically processing domestic sewage with earthworm soil diafiltration | |
| CN211283925U (en) | Formula of sinking buffering area highway runoff purifier | |
| CN204982778U (en) | High -efficient artifical lake system that adjusts that purifies | |
| CN105064496A (en) | Self-utilization rainwater detention storage tank | |
| CN100340499C (en) | Polluted water land disposal method using light haydite as main stuffing | |
| CN106499002A (en) | Green grassland rainwater cyclic utilization system | |
| CN109928573A (en) | A kind of black-odor riverway sunk type greenery patches processing system and its processing method | |
| CN206203996U (en) | A kind of shore protection system for riverway water quality purification | |
| CN206233301U (en) | Green grassland rainwater cyclic utilization system | |
| CN210559648U (en) | Step multi-section undercurrent artificial wet land treating pool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 09, 22nd Floor, Building A, Wuhan Optics Valley International Chamber of Commerce, No. 2-2 Guandongyuan Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430071 Patentee after: Wuhan Zhongke Aquatic Ecological Environment Co.,Ltd. Address before: 430071 25th floor, Huayin building, 786 Minzhu Road, Wuchang District, Wuhan City, Hubei Province Patentee before: WUHAN ZHONGKE HYDRBIOLOGY ENVIRONMENT ENGINEERING CO.,LTD. |
|
| CP03 | Change of name, title or address |