CN103806500B - Snow mountain melt water collection and utilization device - Google Patents
Snow mountain melt water collection and utilization device Download PDFInfo
- Publication number
- CN103806500B CN103806500B CN201210457501.3A CN201210457501A CN103806500B CN 103806500 B CN103806500 B CN 103806500B CN 201210457501 A CN201210457501 A CN 201210457501A CN 103806500 B CN103806500 B CN 103806500B
- Authority
- CN
- China
- Prior art keywords
- snow
- broth
- water
- utilization device
- collection utilization
- 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
Landscapes
- Sewage (AREA)
Abstract
A snow mountain melt water collection and utilization device comprises a snow water collecting field for collecting snow water, snow water inspection wells, a snow water pool, snow water treatment equipment and a sparge pipe, wherein the snow water inspection wells are arranged between the snow water collecting field and the snow water pool, and are connected by first transmission and distribution pipelines, the height of a water inlet of each snow water inspection well is greater than that of a water outlet of the snow water inspection well, the snow water pool is connected with the snow water treatment equipment by a second transmission and distribution pipeline, and a water outlet of the snow water treatment equipment is connected to the sparge pipe. By adopting the snow mountain melt water collection and utilization device in spring and summer, shallow underflow snow water under a sector bed impacted by a river in front of a snow mountain can be stopped, is gathered into a snow water collection well, is sent to a snow water storage pool by a snow water collection pipe and is further treated to be used by users.
Description
Technical field
The present invention relates to the development field at traditional water source, particularly relate to a kind of Collection utilization device of snow mountain melt water.
Background technology
Xinjiang of China, Qinghai, Tibet snow mountain distribution area, snow mountain accumulated snow be a kind of preciousness use water resource.When spring, summer, snow melting, converges into streams, river.Snow-broth infiltrates, and forms abundant aquifer, underground at submontane river alluviation covering of the fan.Always, people excavate the several meters of ultra-deep shafts that extremely tens of rice is dark, and shaft bottom Jing Qu is connected, and form the transfer passage of snow-broth, snow-broth is drawn ground.The Land use systems of this snow-broth is all underground construction, and execution conditions are very severe, and gigantic project, manual operation, inefficiency, the duration is tediously long.Vertical shaft, Jing Qu easily cave in, and may cause the loss of function of snow-broth Collection utilization system, even threat to life.
Therefore, in order to ensure the security reliability of snow mountain melt water Collection utilization system, reduce engineering quantity, reduce construction investment, improve execution conditions, raise labour efficiency, eliminate the technological deficiency of known snow mountain snowmelt Application way, need the Collection utilization technology developing a kind of snow mountain melt water.
Summary of the invention
The object of this invention is to provide a kind of construction easily, construction investment supports, the Collection utilization device of the snow mountain melt water that security reliability is high.
For achieving the above object, technical scheme provided by the present invention is as follows:
A Collection utilization device for snow mountain melt water, 5 comprise and collect the snow-broth collecting field 1 of snow-broth, snow-broth manhole 2, snow-broth pond 3, snow-broth treatment facility 4 and distribution pipe 5; Be provided with snow-broth manhole 2 between described snow-broth collecting field 1 and snow-broth pond 3, and be connected by the first transmission and distribution pipeline 6; The water inlet height of described snow-broth manhole 2 is higher than water outlet height; Described snow-broth pond 3 is connected with snow-broth treatment facility 4 by the second transmission and distribution pipeline 7; The delivery port of described snow-broth treatment facility 4 connects distribution pipe 5.
Further, described snow-broth collecting field 1 comprises the foundation ditch 11 of bottom and periphery laying anti-seepage geomembrane, the infiltration pipe duct 12 laid in foundation ditch 11, and is vertically arranged on the snow-broth collecting well 13 in the middle part of infiltration pipe duct 12; Described infiltration pipe duct 12 outer wrap geotextiles, internal sleeve is equipped with perforated pipe or plastic module header tank 14, and fills cobble or rubble between described perforated pipe or plastic module header tank 14 and infiltration pipe duct 12 outer wall; Described perforated pipe or plastic module header tank 14 outer wrap geotextiles; Described snow-broth collecting well 13 is connected to the first transmission and distribution pipeline 6 by header 19; Described infiltration pipe duct 12, fill gaps sand material between snow-broth collecting well 13 and foundation ditch.
Further, described snow-broth collecting well 13 is HDPE material, and mineshaft diameter is 1000mm to 3000mm, and the ring stiffness of pit shaft is not less than 8KN/m
2.
Further, the long 15m-20m of described infiltration pipe duct 12, wide 800mm-1000mm, described cobble or stone sizes are 5mm-10mm.
Further, described snow-broth pond 3 is plastic module combination water pool, be arranged on below frost line, and earthing is not less than 1.5m, is maximumly buriedly not more than 6m, and vertical bearing capacity is not less than 150KN/m
2, side direction bearing capacity is not less than 90KN/m
2.
Further, described plastic module combination water pool outer wrapping waterproof composite geo-membrane.
Further, described snow-broth treatment facility 4 comprises Water-quality treater and sterilizing equipment decontaminating apparatus.
Further, described Water-quality treater adopts quartz sand contact filtration process.
Further, described quartz sand average grain diameter is 1mm, and the rate of filtration is 10m/h, and coagulant charging quantity is the aluminium polychloride of 10mg/L.
Further, described sterilizing equipment decontaminating apparatus is UV sterilizer, and the wavelength of employing is 254nm.
Adopt technique scheme, beneficial effect of the present invention has:
(1) the Collection utilization device of snow mountain melt water provided by the present invention, when spring, summer, the shallow-layer undercurrent snow-broth under snow mountain submontane river alluviation covering of the fan riverbed can be retained, be pooled to snow-broth and collect in well, deliver to snow-broth reservoir by snow-broth collecting pipe, process is rear for user further.
(2) first transmission and distribution pipelines disconnect at snow-broth manhole place, water inlet height is higher than water outlet height, utilize the physical features discrepancy in elevation in dry point and low level water area, Non-energy-consumption water delivery can be realized, when the employing of snow-broth aqueduct is tightly connected, then can realize utilizing natural potential energy automatic water-supply, open with water spot water intaking valve can use water, without power consumption.
(3) snow-broth melt water Collection utilization technology of the present invention is used, the shallow-layer of snow-broth collecting field and aqueduct lays, significantly can reduce native stone engineering quantity, reduce difficulty of construction, eliminate hidden dangers in project, maintain the normal function of snow mountain snow-broth Collection utilization system, guarantee to supply water and personal safety, realize remote water supply.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is Figure 1A portion detailed drawing;
Fig. 3 is one embodiment of the invention schematic diagram.
Wherein: 1 snow-broth collecting field, 11 foundation ditches, 12 infiltration pipe ducts, 13 snow-broth collecting wells, 14 perforated pipes or plastic module header tank, 15 sand materials, 16 cobbles or rubble, 17 anti-seepage geomembranes, 18 geotextiles, 19 headers, 2 snow-broth manholes, 3 snow-broth ponds, 4 snow-broth treatment facilities, 5 distribution pipes, 6 first transmission and distribution pipelines, 7 second transmission and distribution pipelines.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is structural representation of the present invention, Fig. 2 is A portion detailed drawing in Fig. 1, as shown in Fig. 1, Fig. 2, the invention discloses a kind of Collection utilization device of snow mountain melt water, comprise the snow-broth collecting field 1 of collection snow-broth, snow-broth manhole 2, snow-broth pond 3, snow-broth treatment facility 4 and distribution pipe 5; Be provided with snow-broth manhole 2 between described snow-broth collecting field 1 and snow-broth pond 3, and be connected by the first transmission and distribution pipeline 6; The water inlet height of described snow-broth manhole 2 is higher than water outlet height; Described snow-broth pond 3 is connected with snow-broth treatment facility 4 by the second transmission and distribution pipeline 7; The delivery port of described snow-broth treatment facility 4 connects distribution pipe 5.
Snow-broth collecting field 1 comprises the foundation ditch 11 of bottom and periphery laying anti-seepage geomembrane 17, long 15m-20m is laid in foundation ditch 11, the infiltration pipe duct 12 of wide 800mm-1000mm, and the snow-broth collecting well 13 be vertically arranged in the middle part of infiltration pipe duct 12, described snow-broth collecting well 13 is HDPE material preferably, mineshaft diameter is 1000mm to 3000mm, and the ring stiffness of pit shaft is not less than 8KN/m
2; Described infiltration pipe duct 12 outer wrap geotextiles 18, internal sleeve is equipped with the perforated pipe 14 of parcel geotextiles 18, and fills the cobble or rubble 16 that diameter is 5mm-10mm between described perforated pipe 14 and infiltration pipe duct 12 outer wall; Snow-broth collecting well 13 is connected to the first transmission and distribution pipeline 6 by header 19; And described infiltration pipe duct 12, fill gaps sand material 15 between snow-broth collecting well 13 and foundation ditch.
The plastic module combination water pool of the preferred parcel waterproof composite geo-membrane in snow-broth pond 3, be arranged on below frost line, and earthing is not less than 1.5m, is maximumly buriedly not more than 6m, and vertical bearing capacity is not less than 150KN/m
2, side direction bearing capacity is not less than 90KN/m
2; Snow-broth treatment facility 4 comprises Water-quality treater and sterilizing equipment decontaminating apparatus, Water-quality treater preferred quartz sand contact filtration process, employing average grain diameter is the quartz sand (preferably adopting the quartz sand of 1mm) of 1mm-2mm, dosage is the preferred dosage of 10mg-15mg/L(is 10mg/L) aluminium polychloride as coagulant, the rate of filtration is the preferred rate of filtration of 8-15m/h(is 8m/h); The preferred UV sterilizer of sterilizing equipment decontaminating apparatus, the wavelength of employing is 254nm.
embodiment 1
Fig. 3 is one embodiment of the invention schematic diagram, the cross section of snow-broth collecting field as shown in Figure 3, anti-seepage geomembrane 17 is laid in the bottom of foundation ditch and periphery, in the periphery parcel geotextiles 18 of infiltration pipe duct 12, and the inside of infiltration pipe duct 12 has the perforated pipe 14 that cross section is circle, and having permeable geotextiles in perforated pipe outer cover, fill cobble or rubble 16 between perforated pipe and infiltration pipe duct wall, infiltration pipe duct 12 outside sand material is filled.
The Collection utilization device of snow mountain melt water provided by the present invention, snow-broth collecting field is preferably about 1.5m deeply, perforated pipe is positioned at the minimum groundwater level less than 1 meter of snow melt phase, first transmission and distribution pipeline and the preferred HDPE tubing of the second transmission and distribution pipeline, caliber should be not less than DN200, and the sand material of filling is preferably natural grading riverbed sandstone material; The HDPE material well of the preferred finished product of snow-broth collecting well, mineshaft diameter between 1000 to 3000 millimeters, the ring stiffness at least 8KN/m of pit shaft
2; The geotextiles preferred mass density of infiltration pipe duct outer wrap is 200g/m
2geotextiles; Perforated pipe diameter selects 150mm-315mm(preferably to adopt 150mm), tube hub absolute altitude below snow melt phase minimum groundwater table about 1 meter, material also can select HDPE material, and perforated percentage is about 1.5% is good, permeable geotextiles cloth cover in outer cover when mounted.
What the snow-broth that snow-broth collecting well is collected was delivered to snow-broth by the first transmission and distribution pipeline and the second transmission and distribution pipeline harvests a reservoir (snow-broth pond), preferred employing HDPE tubing, caliber is not less than DN200, and multiple snow-broth manhole is set in the middle of transmission and distribution pipeline, snow-broth manhole adopts HDPE tubing, mineshaft diameter is preferably about 1 meter, and the ring stiffness of pit shaft is at 8KN/m
2above.
Snow-broth pond is collected snow-broth and is concentrated storage, be suitable for being arranged near using near water low spot, preferred employing plastic module combination water pool, pond earthing is not less than 1.5 meters, should below frost line, and the maximum buried of pond should be not more than 6 meters, and water inlet pipe is set on pond, outlet pipe, bleed off pipe, blow-down pipe.Ventilated cap, facility etc. is rinsed in pond, and ensure water quality, its material can select PP material, and vertical bearing capacity is not less than 150KN/ ㎡, and side direction bearing capacity is not less than 90KN/ ㎡.Plastic module pond outsourcing two cloth one film waterproof composite geo-membrane (the mass area ratio density of geotextiles is 200g/ ㎡, PE thickness 0.5mm).
Snow-broth treatment facility comprises Water-quality treater and sterilizing equipment decontaminating apparatus, water treatment preferably adopts quartz sand contact filter type, select average grain diameter to be the quartz sand of 1mm, injected volume be the aluminium polychloride of 10mg/L as coagulant, the rate of filtration is good at about 10m/h.Snow-broth sterilization preferably adopts the disinfection by ultraviolet light of centre wavelength 254nm, and the water after process is delivered to individual water spot by distribution pipe.
embodiment 2
During use, first the snow-broth that snow mountain melts enters in snow-broth collecting field, by prototype gradation sandstone, enter in the filtration macadam (being made up of cobble and/or rubble) of infiltration pipe duct, snow-broth collecting well is flowed into by the perforated pipe wrapping up permeable geotextiles, the water of snow-broth collecting well imports the first transmission and distribution pipeline by header, along underground descending grade at Action of Gravity Field toward dirty, subsection setup snow-broth manhole on the first transmission and distribution pipeline, until flow into snow-broth pond, side, snow-broth pond is provided with bypass pipe, valve closing during collection on bypass pipe, the water in snow-broth pond continues through after snow-broth treatment facility carries out water filtration and disinfection by ultraviolet light, be delivered to water by distribution pipe.
embodiment 3
Plastic module header tank is adopted to substitute perforated pipe, permeable geotextiles is wrapped up in plastic module header tank surrounding, filtration macadam (cobble or the rubble composition) thickness of header tank top and both sides is set to 500mm, casing can be set directly on the bottom surface of snow-broth collecting field, namely can not lay sand material bottom foundation ditch, only arrange in plastic module header tank surrounding (except bottom) and filter macadam (cobble or rubble composition) formation infiltration pipe duct.
embodiment 4
Because all parts in the present invention can adopt HDPE tubing greatly, therefore, pipeline and parts connect the mode that can adopt hot melt, due to the ground potential difference between snow-broth collecting field and snow-broth pond, automatic water-supply can be realized, snow-broth manhole place installation and repairing valve or breather valve as required, the valve open on the bypass pipe of snow-broth pond.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (9)
1. a Collection utilization device for snow mountain melt water, is characterized in that: comprise the snow-broth collecting field (1) of collection snow-broth, snow-broth manhole (2), snow-broth pond (3), snow-broth treatment facility (4) and distribution pipe (5);
Be provided with snow-broth manhole (2) between described snow-broth collecting field (1) and snow-broth pond (3), and be connected by the first transmission and distribution pipeline (6);
The water inlet height of described snow-broth manhole (2) is higher than water outlet height;
Described snow-broth pond (3) is connected with snow-broth treatment facility (4) by the second transmission and distribution pipeline (7);
The delivery port of described snow-broth treatment facility (4) connects distribution pipe (5);
Described snow-broth collecting field (1) comprises
Bottom and periphery lay the foundation ditch (11) of anti-seepage geomembrane,
The infiltration pipe duct (12) laid in foundation ditch (11), and
Vertically be arranged on the snow-broth collecting well (13) at infiltration pipe duct (12) middle part;
Described infiltration pipe duct (12) outer wrap geotextiles, internal sleeve is equipped with perforated pipe or plastic module header tank (14), and fills cobble or rubble between described perforated pipe or plastic module header tank (14) and infiltration pipe duct (12) outer wall;
Described perforated pipe or plastic module header tank (14) outer wrap geotextiles;
Described snow-broth collecting well (13) is connected to the first transmission and distribution pipeline (6) by header (19);
Described infiltration pipe duct (12), fill gaps sand material between snow-broth collecting well (13) and foundation ditch.
2. the Collection utilization device of snow mountain melt water according to claim 1, is characterized in that: described snow-broth collecting well (13) is HDPE material, and mineshaft diameter is 1000mm to 3000mm, and the ring stiffness of pit shaft is not less than 8KN/m
2.
3. the Collection utilization device of snow mountain melt water according to claim 1, is characterized in that: the long 15m-20m of described infiltration pipe duct (12), wide 800mm-1000mm, described cobble or stone sizes are 5mm-10mm.
4. the Collection utilization device of snow mountain melt water according to claim 1, it is characterized in that: described snow-broth pond (3) is plastic module combination water pool, be arranged on below frost line, and earthing is not less than 1.5m, maximumly buriedly be not more than 6m, vertical bearing capacity is not less than 150KN/m
2, side direction bearing capacity is not less than 90KN/m
2.
5. the Collection utilization device of snow mountain melt water according to claim 4, is characterized in that: described plastic module combination water pool outer wrapping waterproof composite geo-membrane.
6. the Collection utilization device of snow mountain melt water according to claim 1, is characterized in that: described snow-broth treatment facility (4) comprises Water-quality treater and sterilizing equipment decontaminating apparatus.
7. the Collection utilization device of snow mountain melt water according to claim 6, is characterized in that: described Water-quality treater adopts quartz sand contact filtration process.
8. the Collection utilization device of snow mountain melt water according to claim 7, is characterized in that: described quartz sand average grain diameter is 1mm, and the rate of filtration is 10m/h, and coagulant charging quantity is the aluminium polychloride of 10mg/L.
9. the Collection utilization device of snow mountain melt water according to claim 6, is characterized in that: described sterilizing equipment decontaminating apparatus is UV sterilizer, and the wavelength of employing is 254nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457501.3A CN103806500B (en) | 2012-11-14 | 2012-11-14 | Snow mountain melt water collection and utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210457501.3A CN103806500B (en) | 2012-11-14 | 2012-11-14 | Snow mountain melt water collection and utilization device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103806500A CN103806500A (en) | 2014-05-21 |
| CN103806500B true CN103806500B (en) | 2015-07-15 |
Family
ID=50703850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210457501.3A Active CN103806500B (en) | 2012-11-14 | 2012-11-14 | Snow mountain melt water collection and utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103806500B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763017B (en) * | 2015-04-20 | 2017-03-22 | 江苏山水环境建设集团股份有限公司 | Ground permeating rainwater recovery system utilizing building waste materials and construction method of ground permeating rainwater recovery system |
| CN107347653A (en) * | 2017-08-25 | 2017-11-17 | 农业部环境保护科研监测所 | System is stored up in milk cow sports ground excrement dirt |
| CN108928873B (en) * | 2018-07-06 | 2021-07-20 | 青岛益康源水健康科技有限公司 | Water resource purification treatment device and purification treatment method |
| CN109432853A (en) * | 2018-11-07 | 2019-03-08 | 桂林理工大学 | The device and method of micrometeorite are collected in ice and snow |
| CN113303249A (en) * | 2021-04-01 | 2021-08-27 | 丽江绿雪庄生态文化发展有限公司 | Method for cultivating trout by melting water in high-altitude snow mountains |
| CN113895852B (en) * | 2021-11-11 | 2023-06-20 | 张国建 | Atmospheric precipitation storage underground reservoir system and construction method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2848829Y (en) * | 2005-12-19 | 2006-12-20 | 许水源 | Cioculation utilization device of water resource |
| CN101427645A (en) * | 2008-12-24 | 2009-05-13 | 曹军生 | Rain-snow accumulation, irrigation method and apparatus used thereof |
| CN201280488Y (en) * | 2008-09-19 | 2009-07-29 | 上海市长宁区少年科技指导站 | Snow water processing equipment |
| CN201321624Y (en) * | 2008-12-24 | 2009-10-07 | 曹军生 | Rain and snow collecting and irrigating device |
| CN101906797A (en) * | 2009-06-04 | 2010-12-08 | 北京泰宁科创科技有限公司 | Plastic module combination water pool |
| CN202359611U (en) * | 2011-12-14 | 2012-08-01 | 雷凤莲 | Rain water and snow water recycling device |
| CN202936838U (en) * | 2012-11-14 | 2013-05-15 | 北京泰宁科创雨水利用技术股份有限公司 | Device for collecting and using snow mountain melt water |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0739680B2 (en) * | 1989-01-26 | 1995-05-01 | 株式会社クボタ | Regional integrated water usage |
| KR101105368B1 (en) * | 2008-02-21 | 2012-01-16 | 한국건설기술연구원 | Multifunctional trough infiltration trench system and rainwater management method using the same |
-
2012
- 2012-11-14 CN CN201210457501.3A patent/CN103806500B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2848829Y (en) * | 2005-12-19 | 2006-12-20 | 许水源 | Cioculation utilization device of water resource |
| CN201280488Y (en) * | 2008-09-19 | 2009-07-29 | 上海市长宁区少年科技指导站 | Snow water processing equipment |
| CN101427645A (en) * | 2008-12-24 | 2009-05-13 | 曹军生 | Rain-snow accumulation, irrigation method and apparatus used thereof |
| CN201321624Y (en) * | 2008-12-24 | 2009-10-07 | 曹军生 | Rain and snow collecting and irrigating device |
| CN101906797A (en) * | 2009-06-04 | 2010-12-08 | 北京泰宁科创科技有限公司 | Plastic module combination water pool |
| CN202359611U (en) * | 2011-12-14 | 2012-08-01 | 雷凤莲 | Rain water and snow water recycling device |
| CN202936838U (en) * | 2012-11-14 | 2013-05-15 | 北京泰宁科创雨水利用技术股份有限公司 | Device for collecting and using snow mountain melt water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103806500A (en) | 2014-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103806500B (en) | Snow mountain melt water collection and utilization device | |
| CN103354766B (en) | For the groundwater management system of mine | |
| CN105862982B (en) | Quickly-underground radial collector well technique is oozed in storage for rainwater or surface water | |
| CN105862548B (en) | The system for preventing surface gathered water and city rain-flood resources from reclaiming and recycling | |
| CN105821909A (en) | Tree-like refuse leachate generated in landfill construction and closure as well as landfill gas guide and exhaust system and method | |
| CN106045214A (en) | Rain water system for building districts of sponge cities and construction method of rain water system | |
| CN103215937B (en) | Multilayer aquifer structure-based rainwater recharging underwater system | |
| CN213867863U (en) | General industrial solid waste storage and disposal site structure based on abandoned mine | |
| CN104060645A (en) | Karst sloping field efficient water collection irrigation method and irrigation system | |
| CN105696646A (en) | Underground reservoir technique | |
| CN107366251A (en) | A kind of construction method of sludge lagoon place original position Ecosystem restoration system | |
| CN101806050A (en) | Tube bundle-type natural water diversion device and water diversion method for generating electricity | |
| CN202936838U (en) | Device for collecting and using snow mountain melt water | |
| CN206495266U (en) | A kind of automatic backflow device of vegetable greenhouse area underground water | |
| CN108781577B (en) | Nano capillary-concealed pipe combined soil salt elimination method | |
| CN112544349A (en) | Water amount self-control type rainwater garden special for green sponge and construction method | |
| CN107321752A (en) | A kind of sludge lagoon place Ecosystem restoration system in situ | |
| CN107503391A (en) | A kind of dredging device for water conservancy projects | |
| CN208787174U (en) | A kind of percolate and biogas joint guide system | |
| CN204418194U (en) | For high water-permeability layer of sand foundation pit dewatering device | |
| CN204491797U (en) | A kind of sports ground dmp filter stacking device | |
| CN103541405B (en) | A kind of Full-automatic comprehensive rainwater utilization combination system | |
| CN207794239U (en) | A kind of device feeding Deep Groundwater using sponge-type rain pipe | |
| CN203546819U (en) | Fully-automatic comprehensive rainwater utilization combination system | |
| CN102696297B (en) | Method for setting salt elimination system through closed conduit with external-wrapped filtering layer made of fluidized bed furnace slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |