CN105507364A - Well head device for both square reverse filtering recharging and water pumping - Google Patents
Well head device for both square reverse filtering recharging and water pumping Download PDFInfo
- Publication number
- CN105507364A CN105507364A CN201610030282.9A CN201610030282A CN105507364A CN 105507364 A CN105507364 A CN 105507364A CN 201610030282 A CN201610030282 A CN 201610030282A CN 105507364 A CN105507364 A CN 105507364A
- Authority
- CN
- China
- Prior art keywords
- water
- well head
- well
- top cover
- dual
- 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.)
- Pending
Links
Classifications
-
- 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
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
-
- 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
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
-
- 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
- E03B3/32—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river
- E03B3/34—Methods or installations for obtaining or collecting drinking water or tap water with artificial enrichment, e.g. by adding water from a pond or a river of underground water
-
- 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
- Y02A20/40—Protecting water resources
- Y02A20/406—Aquifer recharge
Abstract
The invention discloses a well head device for both self-permeable type underground water recharging and water pumping, and belongs to the technical field of water conservation and water consumption. The well head device comprises a recharging well lid and a water pumping device and is characterized in that the recharging well lid is composed of a well head top lid, a water pumping device fixing ring beam and a geotextile reverse filtering layer; the whole well lid is a hollow bottomless tetrahedral body; a square orifice surrounded by the water pumping device fixing ring beam is formed in the middle of the top face of the upper portion of the well head top lid; circular water inlets are formed in the top face and the side faces of the upper portion of the well head top lid; an impermeable body is arranged at the lower portion of the well head top lid; the geotextile reverse filtering layer is arranged on the outer side of the well lid and matched with the well lid in shape; the water pumping device is composed of a water pumping pump, a water pumping pipe, a water pump support and a water pump valve; the water pumping pump is a submerged pump ordinarily; the water pump support is a steel frame and is fixed to the water pumping device fixing ring beam. According to the well head device, underground water recharging and water pumping are organically combined, and the well head device has the advantages of being large in recharging amount and capable of filtering out granules in water, preventing silt, resisting impact and preventing low-water-level sewage recharging.
Description
Technical field
The present invention relates to a kind of self-leak type groundwater recharge and underground water of having concurrently to draw water the dual-purpose wellhead assembly of dual-use function, belong to water conservation and with water interleaving techniques field.
Background technology
Along with socioeconomic fast development, the contradiction of supply and demand for the water resource becomes increasingly conspicuous.Due to the exhaustive exploitation of underground water, many provinces have defined the large-area groundwater table regional drawdown cons centered by city, and many problems of geo-environment also just occur thereupon.In the face of the problems referred to above, groundwater artificial recharge is more active and effective strategy, is to maintain groundwater resources to adopt the important technical filling weighing apparatus.Meanwhile, in dry season, also need groundwater abstraction to make up the deficiency of surface water resources.At present in the area that groundwater artificial recharge well irrigation is main, recharge quality and efficiency about how improving well, reaching and draw water and recharge dual-purpose, is one of main improvement direction of recharge well device.
The traditional method of current well-irrigated area is that pumped well is separated with recharge well, and pumped well only can draw water, and recharge well can only recharge, and its construction costs is higher, and floor space is large.
In addition, also there is one and " draw back dual-purpose system with well ", be that employing two waterlines carry out the extraction of same well underground water and recharge, wherein, a water pipe stretches into for recharging in well, and another water pipe connects underground water and draws water power set for water intaking.This technology Problems existing is: (1) cannot utilize same water pipe realize recharging of underground water and extract, and cause into well head footpath comparatively greatly, construction costs is higher; (2) the annular space sectional area between drilling well diameter and drilling tool is comparatively large, and drilling efficiency is low, easily causes again underground reservoir mud contamination time length simultaneously, blocking is serious, well-flushing is difficult, water yield of well is little, recharges the phenomenons such as difficulty.Therefore improve well in this area and recharge quality and efficiency, reach and draw water and recharge dual-purpose, be that impact is from oozing the bottleneck of recharge well scale development always.
Chinese invention patent 201410367294.1, Chinese invention patent 201410366307.3 and Chinese utility model patent 201210332873.3 provide three kinds of self-leak type groundwater recharge well head devices with granule foreign function in filtered water, this several feature of recharging wellhead assembly is: well head is positioned on ground, well head outsourcing geotechnical fibre filter layer, recharge water infiltrates well head from multiaspect, can significantly improve and recharge pond conveyance capacity, anti-silting impact resistance, and extend the application life of recharging pond, be easy to construction simultaneously and safeguard, and saving sandstone filter material.But this several device has a common problem, namely can only be used for the recharge well of groundwater recharge, and can not be used as underground water pumped well.
Chinese invention patent 201410568301.4 provides downhole electric control to draw water backflow device, this feature of recharging dual-purpose apparatus of drawing water is: outer tube has vertically disposed valve port, annular stepper motor is positioned at the annular housing that outer tube and base tube are formed, annular generator rotor is set in interior pipe can flexible rotating, stator is fixed on outer tube wall, output shaft is connected with ring screw pipe, regulates screwed pipe vertical downward movement by output shaft; Valve pocket device comprises valve collar, valve pipe, plug piston, and valve pocket device is for opening and closing valve port and lower interior base tube filling pipe end.Regulated by annular step motor control valve pocket device catenary motion and draw water and recycling mode, and accurately can regulate continuously and recharge flow.But this device exists some problems, if namely control improper easy generation resonance and be difficult to run to higher rotating speed.And when this device is used as recharge well, self does not have the ability of granule foreign in filtered water.
Chinese invention patent 201410465428.3 provides a kind of intelligent groundwater mining and backflow device, this underground water feature of recharging dual-purpose apparatus of drawing water is: be also provided with extraction at suction pump and mozzle junction and recharge two purpose valve and flap valve, also be provided with hydraulic pump, first hydraulic jack and the second hydraulic jack, first hydraulic jack recharges two purpose valve with extraction respectively with the second hydraulic jack and is connected, with be provided with control valve, hydraulic pump is connected with controller by hydraulic pump cable, electromagnetic valve is connected with controller by solenoid control cable, suction pump is connected with controller by the suction pump cable that draws water, first limit switch and the second limit switch are connected with the spacing input of controller respectively, hydraulic pressure sensor is provided with at mozzle.Decrease the gas recharging aquifer and block up degree, stability in use is good, recharges two purpose valve simultaneously can regulate and recharge flow by extraction, and precise control is strong, and applicability is good.But this device exists a problem, namely hydraulic jack just there will be oil cylinder inner wall surface abrasion after having used of a specified duration, occurs the groove mark of strip, and wearing and tearing are uneven; After plug ring wearing and tearing, opened gap and gap, limit can be caused to increase, and elastic force weakens, and leakproofness declines.And when this device is used as recharge well, self does not have the ability of granule foreign in filtered water.
Summary of the invention
In order to solve above-mentioned bottleneck problem, the invention provides a kind of self-leak type anti-filter and recharge the dual-purpose apparatus that draws water, this device can solve the problem having simultaneously and draw water and recharge function, and have easy construction, cheap, recharge the advantages such as efficient, control settlement is effective.
The technical solution adopted for the present invention to solve the technical problems is:
This kind of square anti-filter recharges the dual-purpose wellhead assembly that draws water, and described wellhead assembly comprises and recharges well lid and water plug.It is characterized in that:
The described well lid that recharges fixes ring beam by well head top cover, water plug and the geotechnical fibre filter layer be fixed on outside well lid forms.Described well head top cover is in hollow, bottomless cube cylinder, and be made up of well head top cover top and the well head top cover bottom being embedded in below ground at the bottom of river bed or canal, well head top cover entirety is hollow bottomless four sides cylinder; Have a square aperture in the middle of described well head top cover upper top, aperture by arrange water plug fix ring beam around; Described water plug is fixed ring beam and is positioned in the middle of well head top cover upper top, for square, be thickeied by aperture periphery panel local square in the middle of well head top cover upper top to form, and be connected with well head top cover top, for being connected and fixed the water pump support in water plug; Described well head top upper part of the cover end face (water plug fixes part outside ring beam), side are equipped with circular water inlet; Described well head top cover lower side is waterproof body; Described geotechnical fibre filter layer to be arranged at outside well head top cover and to match with the bottomless cubical shape of hollow.
Described water plug is made up of suction pump, water pump water pipe, water pump support and water pump valve, and described suction pump is generally submersible pump, selectes according to actual pump-out and lift; Described water pump water pipe should mate with submersible pump, be made up of, be connected bottom straight tube with submersible pump, top is connected with bend pipe, and fixed by cradle top surface water pipe confinement ring, and bend pipe is for connecting straight tube and water pump valve straight tube and bend pipe; Described water pump support is fixed bolt on ring beam be fixed on well lid top by being embedded in water plug in advance, for station pump water pipe and support water pump valve, water pump support is steelframe, be made up of bracket bottom stainless steel strut, bearing diagonal, cradle top surface, cradle top surface is made up of cradle top surface cant beam, cradle top surface water pipe confinement ring and cradle top surface side bar, forms the frame construction that can retrain water pump water pipe and support water pump valve; Described water pump valve is for controlling water outlet and maintenance use, connecting water pump water pipe bend pipe and outlet pipe, select common gate valve.
Well lid is recharged due to what be provided with hollow cube rod build, and be equipped with circular water inlet at well head top cover upper outside, top, make water inlet area account for well lid outer surface is long-pending reaches 25% when wellhead assembly appearance and size is constant, water inlet area improves greatly, thus improve recharge efficiency; Circular water inlet not only good manufacturability, and make well lid good rigidly; Well lid bottom is waterproof body, can prevent the rain flood initial stage, low discharge, surface water that water quality is relatively poor recharges aquifer.
Described hollow body is square body, this scheme not only good manufacturability, and hollow cavity volume is large, is conducive to the water inlet resistance reducing water inlet.
The height that ground at the bottom of river bed or canal is exposed on described well head top cover top is 0.2 ~ 0.5m, and the river that wellhead assembly can be made thus to be applicable to is wider, and obtains and best recharge effect, improves the steadiness of wellhead assembly simultaneously.
Owing to well head having reserved square aperture and for fixing ring beam, can recharge installing submersible pump on well head, make recharge well become pumped well recharging, two functions that realize recharging and to draw water have been integrated.
Square anti-filter recharge the dual-purpose well that draws water be used as recharge well use time, when current recharge through square anti-filter the dual-purpose well that draws water, water from recharging the end face on well head top, side infiltrates and recharges in well head, recharge well is entered in vertical flow mode, enter aquifer in horizontal flow mode again, realize groundwater recharge.
Square anti-filter recharge the dual-purpose well that draws water be used as pumped well use time, usual korneforos is anhydrous, to fetch boiling water pump valve, switch on power, submersible pump is started working, and is sucked by water in submersible pump pump case, and under the effect of turbine centrifugal power, water is discharged by water pump water pipe, water pump valve and outlet pipe, realizes drawing water; When needs stop pumping, first switch off the pump valve, then close submersible pump power supply, stops pumping.
Contrast prior art, beneficial effect of the present invention is:
Groundwater recharge and underground water simply, draw water and unite two into one by principle of the present invention and mounting structure.Compare with common recharge well, the present invention has anti-filter function and the underground water pumping function of granule foreign in filtered water; Compare with common pumped well, the present invention has groundwater recharge function; Compare with existing " drawing back dual-purpose system with well ", can granule foreign in filtered water when the present invention recharges.
Main feature of the present invention is:
Square anti-filter is recharged the dual-purpose well that draws water and is used as recharge well, self there is the dual-use function that in filtered water, granule foreign and surface water recharge, end face, the side of well lid all can intake, have the amount of recharging large, recharge the high feature of efficiency, and there is certain anti-silting, impact resistance, also there is the function preventing low water stage waste water injection; Meanwhile, adopt geotechnical fibre filter layer, not only save sand gravel constructional materials, be also convenient to maintain and replace, extend the physical life recharging pond; Under the condition of the amount of recharging equally, reduce and recharge pond volume, take up an area few.
Square anti-filter is recharged the dual-purpose well that draws water and is used as pumped well, and no longer extra well-digging and occupation of land, saved the cost of a pumped well; In addition, when it goes without doing pumped well, this water plug can also be disassembled, properly place, avoid damaging, cause the waste of resource.
Therefore, the present invention realizes groundwater recharge and underground water and draws water and organically combine, and principle is simple, compact conformation, and effectively improve and recharge efficiency, the construction costs of about 40% can be saved, also being easy to promote, laying a good foundation for recharging further developing of dual-purpose well of drawing water.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, invention is further illustrated.
Fig. 1 is the vertical cross section schematic diagram of square wellhead assembly;
Fig. 2 is the horizontal profile A-A cross section, top of square wellhead assembly;
Fig. 3 is the horizontal profile B-B cross section, top of square wellhead assembly;
Fig. 4 is the square ring body horizontal profile C-C cross section of square wellhead assembly;
Fig. 5 is the vertical cross section D-D cross section, side of square wellhead assembly;
Fig. 6 is the vertical cross section E-E cross section, side of square wellhead assembly;
Fig. 7 is square water pump chassis plane figure;
Fig. 8 is square pump holder F-F sectional view;
Fig. 9 is square pump holder G-G sectional drawing;
Figure 10 is square pump holder H-H sectional drawing.
In figure: 1 well head top cover, 2 well head sidewalls, 3 geotextiles, 4 sidewall apertures, 5 water plugs fix ring beam, 6 water pump supports, 7 water pump valves, and 8 pick out water pipe, 9 water pump water pipes, 10 suction pumps, 11 bracket bottom steel plates, 12 support bearing diagonals, 13 cradle top surface cant beams, 14 cradle top surface side bars, 15 cradle top surface water pipe confinement ring, 16 bolts, 17 cradle top surface, 18 recharge wells, 19 recharge well filter materials, 20 ground.
Detailed description of the invention
Recharge from oozing anti-filter the dual-purpose well wellhead assembly that draws water, described wellhead assembly comprises and recharges well lid and water plug.In Fig. 1 ~ 6, this kind of wellhead assembly, relates to recharge well 18 and wellhead assembly thereof, and wellhead assembly covers in above recharge well 18, is provided with recharge well filter material 19 in the outside of recharge well 18, and described recharge well 18 is positioned at ground less than 20.
Described recharges the geotextile 3 that well lid comprises well head top cover 1, water plug fixes ring beam and be fixed on outside well lid.
Described well head top cover is made up of with the well head top cover bottom being embedded in ground less than 20 the well head top cover top of band water inlet.Well head top cover 1 entirety is hollow bottomless four sides cylinder, and its horizontal section can be square, also can be rectangle.Have a square aperture in the middle of well head top cover 1 upper top, aperture by arrange water plug fix ring beam 5 around; Described water plug ring beam 5 is positioned in the middle of well head top cover 1 upper top, for square, be thickeied by aperture periphery well head top cover upper panel local square in the middle of well head top cover 1 upper top to form, and be connected with well head top cover 1 top, for being connected and fixed the water pump support 6 in water plug; Described well head top cover upper top (connecting part outside the square aperture of water plug), side are equipped with circular water inlet; Described well lid lower side is waterproof body; Described geotextile 3 to be arranged at outside well lid and to match with the bottomless cubical shape of hollow, and geotextile can be made to be combined closely with well lid.
Described well lid top has along current direction and the gradient is the inclined-plane of 1%, can reduce current or sandstone to well lid top impact and friction, extends the application life of wellhead assembly, also can prevent low water stage waste water injection simultaneously.
The material of well head top cover 1 can adopt hard plastics or metal material etc., and entirety is the bottomless cuboid of hollow or cubical cylinder.The buried height of well head top cover 1 should be able to ensure the stability of well lid, and the height that ground at the bottom of river bed or canal is exposed on the top of wellhead assembly is 0.2 ~ 0.5m, and the river that wellhead assembly can be made thus to be applicable to is wider, improves the steadiness of wellhead assembly simultaneously.
Described water plug is made up of submersible pump 10, water pump water pipe 9, water pump support 6 and water pump valve 7, and described submersible pump 10 should be selected according to actual pump-out and lift; Described water pump water pipe 9 should mate with submersible pump 10, is made up of straight tube and bend pipe, be connected, top is connected with bend pipe, and fixed by cradle top surface water pipe confinement ring 15, and bend pipe is for connecting straight tube and water pump valve bottom straight tube with submersible pump 10; Described water pump support 6 passes through the bolt be embedded on water plug retainer ring ellbeam 5 in advance and is fixed on well head top cover 1, for station pump water pipe 9 and support water pump valve 7, water pump support 6 is steelframe, be made up of bracket bottom steel plate 11, support bearing diagonal 12, cradle top surface 17, cradle top surface 17 is made up of cradle top surface cant beam 13, cradle top surface water pipe confinement ring 15 and cradle top surface side bar 14, forms the frame construction that can retrain water pump water pipe 9 and support water pump valve 7; Described water pump valve 7 is for controlling water outlet and maintenance use, connecting water pump water pipe bend pipe and outlet pipe, select common gate valve.
When the dual-purpose wellhead assembly that draws water is installed, first prefabricated recharge well 18, and on the water plug retainer ring ellbeam 5 recharging well head upper top pre-embedded bolt 16; Rig can be utilized to dig a well, well-flushing simultaneously, recharge well 18 and recharge well filter material 19 are installed; Submersible pump 10 with water pump water pipe straight tube 9 is put in bottom recharge well; Install again and recharge well head, will the straight tube of well head through water pump water pipe 9 be recharged, and fixedly recharge well head bottom, recharge well is positioned at and recharges well head middle position; And then water pump support 6 is installed, by water pump support 6 through water pump water pipe 9 straight tube, and be fixed on the water plug retainer ring ellbeam 5 recharging well head upper top, tighten up cradle top surface water pipe confinement ring 15, the straight tube of station pump water pipe 9 simultaneously; Then, geotechnical fibre filter layer 3 of mating formation outside well head is being recharged; Finally, then the bend pipe of water pump water pipe 9, water pump valve 7 and pick out water pipe 8.
This scheme, except having except foregoing advantages of the present invention, also has good manufacturability, and hollow cavity volume is large, is conducive to the advantage of the water inlet resistance reducing water inlet.
The improvement of any adaptation carried out on basis of the present invention, does not all depart from thought of the present invention, all falls in the scope of protection of the invention.
The technology that the present invention does not describe in detail, shape, structure part are known technology.
Claims (5)
1. have self-leak type groundwater recharge and underground water concurrently to draw water the dual-purpose wellhead assembly of dual-use function, wellhead assembly comprises and recharges well lid and water plug; It is characterized in that: the described well lid that recharges fixes ring beam by well head top cover, water plug and the geotechnical fibre filter layer be fixed on outside well head top cover forms; Described well head top cover entirety is hollow bottomless four sides cylinder, is made up of well lid top and the well head top cover bottom being embedded in below ground at the bottom of river bed or canal; Described water plug is made up of suction pump, water pump water pipe, water pump support and water pump valve.
2. self-leak type groundwater recharge and the underground water of having concurrently according to claim 1 draws water the dual-purpose wellhead assembly of dual-use function, and it is characterized in that, described hollow bottomless four sides cylinder is square body.
3. self-leak type groundwater recharge and the underground water of having concurrently according to claim 1 draws water the dual-purpose wellhead assembly of dual-use function, and it is characterized in that, described well head top cover upper top (water plug fixes part outside ring beam), side are equipped with circular water inlet; Described well head top cover lower side is waterproof body; Described geotechnical fibre filter layer to be arranged at outside well lid and to match with the bottomless cubical shape of hollow.
4. self-leak type groundwater recharge and the underground water of having concurrently according to claim 1 draws water the dual-purpose wellhead assembly of dual-use function, it is characterized in that there is a square aperture in the middle of described well head top cover upper top, aperture for arrange water plug fix ring beam around; Described water plug is fixed ring beam and is positioned in the middle of well head top cover upper top, for square, be thickeied by aperture periphery panel local square in the middle of well head top cover upper top to form, and be connected with well head top cover top, for being connected and fixed the water pump support in water plug.
5. self-leak type groundwater recharge and the underground water of having concurrently according to claim 1 draws water the dual-purpose wellhead assembly of dual-use function, and it is characterized in that, the height that ground at the bottom of river bed or canal is exposed on described well head top cover top is 0.2 ~ 0.5m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030282.9A CN105507364A (en) | 2016-01-18 | 2016-01-18 | Well head device for both square reverse filtering recharging and water pumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610030282.9A CN105507364A (en) | 2016-01-18 | 2016-01-18 | Well head device for both square reverse filtering recharging and water pumping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105507364A true CN105507364A (en) | 2016-04-20 |
Family
ID=55715641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610030282.9A Pending CN105507364A (en) | 2016-01-18 | 2016-01-18 | Well head device for both square reverse filtering recharging and water pumping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105507364A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051308A (en) * | 2016-06-14 | 2016-10-26 | 中建局集团第三建筑有限公司 | Vertical pumping pipeline clamp and installation method |
| WO2022240305A1 (en) * | 2021-05-12 | 2022-11-17 | Jan Gizicki | Groundwater obtaining method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07259144A (en) * | 1994-03-22 | 1995-10-09 | Shimizu Corp | Ground water collecting method and cleaning method of under-ground pit |
| CN102359148A (en) * | 2011-10-14 | 2012-02-22 | 济南大学 | Circular self-seepage recharge well head assembly |
| CN102454181A (en) * | 2010-10-18 | 2012-05-16 | 孟宪贵 | Water injection well for supplementing underground water |
| CN104110052A (en) * | 2014-07-29 | 2014-10-22 | 济南大学 | Square internal-external water inflow type wellhead device of infiltration recharge well |
| CN104328821A (en) * | 2014-10-23 | 2015-02-04 | 仕玉治 | Underground electric control water pumping and re-injection dual-purpose device |
-
2016
- 2016-01-18 CN CN201610030282.9A patent/CN105507364A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07259144A (en) * | 1994-03-22 | 1995-10-09 | Shimizu Corp | Ground water collecting method and cleaning method of under-ground pit |
| CN102454181A (en) * | 2010-10-18 | 2012-05-16 | 孟宪贵 | Water injection well for supplementing underground water |
| CN102359148A (en) * | 2011-10-14 | 2012-02-22 | 济南大学 | Circular self-seepage recharge well head assembly |
| CN104110052A (en) * | 2014-07-29 | 2014-10-22 | 济南大学 | Square internal-external water inflow type wellhead device of infiltration recharge well |
| CN104328821A (en) * | 2014-10-23 | 2015-02-04 | 仕玉治 | Underground electric control water pumping and re-injection dual-purpose device |
Non-Patent Citations (1)
| Title |
|---|
| 吴烨等: ""地下水同井抽回井施工技术与应用研究"", 《探矿工程（岩土钻掘工程）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051308A (en) * | 2016-06-14 | 2016-10-26 | 中建局集团第三建筑有限公司 | Vertical pumping pipeline clamp and installation method |
| WO2022240305A1 (en) * | 2021-05-12 | 2022-11-17 | Jan Gizicki | Groundwater obtaining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105507365A (en) | Circular inverted filter well mouth device with two purposes of recharging and pumping | |
| CN202936799U (en) | Foundation pit dewatering bracing structure based on environment control purpose | |
| CN103195477B (en) | Gravity drainage system for underground roadway high-pressure water inrush | |
| WO2015000446A1 (en) | Method and device for extracting coalbed methane by discharging water and coal fines | |
| CN104328821B (en) | A kind of downhole electric control is drawn water and is recharged dual-purpose apparatus | |
| CN105507364A (en) | Well head device for both square reverse filtering recharging and water pumping | |
| CN105256818A (en) | One pump-multi well deep foundation pit tube well synchronous pumping and drainage drawdown device | |
| CN105507369A (en) | Table-type reversed-filtering recharging and water-drawing dual-purpose well head device | |
| CN108005617A (en) | Individual well exploits closed recharge system | |
| CN204059460U (en) | The interior river intake structure of electric power plant circulating water system | |
| CN205205843U (en) | Synchronous pump drainage precipitation device of many well depths of pump foundation ditch tubular well | |
| CN204551510U (en) | A kind of filled-up ground catchments pressure reduction well drop and drainage structure | |
| CN203214098U (en) | Free drainage device of high pressure-bearing gushing water in underground roadway | |
| CN104074234B (en) | The interior river intake structure of electric power plant circulating water system and construction method thereof | |
| CN201581408U (en) | Open caisson with sump | |
| CN110230895A (en) | Buried hiding GEOTHERMAL WATER the same well and layer takes out filling heat-source Cycles and utilizes system and working method | |
| CN207160642U (en) | Riverbed vertical shaft type water plant arrangement | |
| CN210482333U (en) | Large-scale slide-resistant pile preset pipe belt drainage system | |
| CN103669333B (en) | It is easy to the friction pile of vacuum-dewatering | |
| CN203284787U (en) | Composite pipe well precipitation system | |
| CN204267304U (en) | A kind of vacuum water diversion device | |
| CN2134517Y (en) | Efficience negative pressure pumping apparatus | |
| CN109487886A (en) | The siphon drainge system of underground garage | |
| CN104110052B (en) | Square internal-external water inflow type wellhead device of infiltration recharge well | |
| CN219604283U (en) | Upper warehouse basin structure for pumped storage power station engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160420 |