CN1945164A - Engineering abandoned water lowering well type water source heat pump pipe well - Google Patents
Engineering abandoned water lowering well type water source heat pump pipe well Download PDFInfo
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- CN1945164A CN1945164A CNA2006100172821A CN200610017282A CN1945164A CN 1945164 A CN1945164 A CN 1945164A CN A2006100172821 A CNA2006100172821 A CN A2006100172821A CN 200610017282 A CN200610017282 A CN 200610017282A CN 1945164 A CN1945164 A CN 1945164A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Abstract
The present invention is water source heat pump pipe well formed through reforming used engineering precipitating well. The engineering precipitating well after completing normal precipitating task is reformed through flushing, water pumping test, water refilling test, measuring water temperature, laying submerged water pump to form water source heat pump pipe well. By means of pumping out water and refilling water and the heat exchange of underground water and the stratum, an opened low temperature water source geothermal circulating system is formed.
Description
Affiliated technical field:
The present invention relates to architectural engineering scrap the precipitation well again treatment technology combine with water source heat pump technology, be a kind of a kind of water source pipe well that utilizes scrapped project precipitation well to be transformed into water resource heat pump, this invention not only can have been scrapped architectural engineering the precipitation well and utilized again but also possess the cryogenically multifunctional waterhead heat pump pipe well of heat energy cycle heat exchange ability of water source.
Background technology:
At present, known engineering dewatering well mainly is meant the pipe well that is the engineering dewatering service, and their pot life is limited, generally is accompanied by the end of major project or excavation project construction and finishes.35), influence problem such as other concealed work normal construction the precipitation well of scrapping is packing in time, and (close superly, when well will have eaten the people, labour protection magazine, 2000 (6): otherwise will gang up polluted underground water, cause potential safety hazard.Local government also puts into effect relevant policies and scraps the essential packing (city, Harbin City using water wisely management rules, Taiyuan City's water resources management way etc.) in time of well.The design of present engineering dewatering well mainly be according to engineering dewatering require, the hydrogeologic condition in place and related specifications (building and municipal dewatering project technical specification JGJ/T111-98), after main body or subdivisional work finish, adopt materials such as gravel, clay, cement according to actual conditions packing well, concrete grammar mainly contains full well packing method, uses method (Guo Fusheng etc. such as bridge formation packing method, open-work packing method, static blasting packing method, cement embedding, clay packing, the discussion of discarded well packing technical method, mineral exploration engineering, 1999 (increasing): 417).
The structure of each bore engineering dewatering well generally is to be made of gravel material, wall casing, worry water pipe, sand sediment pipe, water pump etc., works to reduce to descend partly water level, and engineering finishes the back packing.But the function of still not having the geothermic gradient utilized, this has ignored the water source heat exchange effect of precipitation well.The underground water temperature is compared with ground environment, and different geographical environments, geological conditions and the underground degree of depth have different underground water water temperatures.Ground water temperature is relevant with ground temperature, and general be the zone of constant temperature at 6.1m between the 45.7m degree of depth bigly, and the underground water zone of constant temperature that is not subjected to influenced by solar is because of its degree of depth difference of different latitude area, and the water temperature scope is generally 10-22 ℃.(Tan Xianhui, fourth Lixing, the underground water analysis in the groundwater heat pump, Refrigeration ﹠ Air-Conditioning, 2003 the 4th phases: 11-14).Can provide relatively low condensation temperature and higher evaporating temperature in two seasons of winter in summer respectively, this is the operation principle of water resource heat pump.At present, China's water source heat pump technology present situation is that all ground system is basic identical, and all underground systems are invisible substantially.The water source pipe well is the source or the remittance of water source heat pump air conditioning system heat-obtaining or heat release, its performance is water source heat pump air conditioning system key of success (" heating and ventilation and air conditioning design specification " (GB50019-2003) 7.3.4 bar regulation and B50296-1999 " Technical standard for water supply well " must comply with the national standard requirements) (Cao Qi, the key component of well water source heat pump, engineering construction and design, 2005 the 12nd phases: 15-20).Well water source heat pump system in the water source heat pump technology is used pipe well version always.Be divided into according to the architectonic difference of underground reservoir: single tube well, two-tube well and multitube well construction.The construction method of water source pipe well mainly is a water well drilling, its initial cost is very high, generally be about 1000 yuan/more than the m, a bite 40m well is about 40,000, its water resource heat pump of medium scale building needs tens mouthfuls of wells to drive, the initial outlay of its pipe well is about more than 1,000,000, and this causes certain difficulty for the development of this technology.About buried tube type sealing heat exchanger, need high initial bore hole expense, numerous pipeline, low heat transfer intensity, therefore, the still preferential water source heat pump technology of promoting in the area with good conditionsi of rich groundwater.
In addition, domestic disclosed related invention and utility model have reached 86 so far, wherein major part be relevant source pump equipment as the energy-conservation self-con-tained unit of water resource heat pump well water flow, its application number is (200420076841.2).Other patent mainly consider its thermal source as the sea water source heat pump unit, its application number is (200410035421.4); Sewage source heat pump shell and tube exchanger, its application number are (02203180.4); Multisource heat pump air-conditioning, its application number are (03242649.6); The solar heat-preservation headwaters heat pump please number be (02222258.8) wherein.Therefore and the invention of relevant pipe well mainly concentrates on traditional hydrogeological field, and the invention of scrapping precipitation well aspect in conjunction with water source heat pump technology and engineering is not seen as yet.
Summary of the invention
What is called is heat energy (Low Temperature Earth-heat-energy) cryogenically, is meant the low-temperature heat energy that absorbs solar energy, geothermal energy in surface soil, underground water or river, the lake and contain.Scrap the precipitation well and handle and only to consider its packing and ignore it and can utilize the function that becomes the water resource heat pump pipe well in order to overcome existing engineering, and change the complicated reality of expensive, all kinds of tubular exchanger of closed ground source heat pump technology initial bore hole construction, the present invention can provide a kind of engineering abandoned water lowering well type water source heat pump pipe well, this pipe well can not only make engineering scrap the precipitation well and radiate the vigour of youth, and can carry out the cyclic transformation of water head site heat energy easily.
The technical solution adopted for the present invention to solve the technical problems is: the engineering dewatering well that the present invention adopts by permanent well design, construction and check and accept, pertinent regulations are all by national existing relevant specification (People's Republic of China's industry standard " building and municipal dewatering project technical specification JGJ/T111-98 " and B50296-1999 " Technical standard for water supply well ") execution.
Popular water resource heat pump pipe well mainly contains single tube well, two-tube well, multitube well at present.The single tube well mainly refers to finish the task of drawing water at a bite pipe well internal upper part, and the task of recharging is finished in the bottom, the well that pipe well separates with dividing plate between up and down.Two-tube well refers to draw water in a bite pipe well, the structure of recharging at another mouthful pipe well of interval 15m-50m.The multitube well refers to draw water at a bite pipe well, the many mouthfuls of formation schemes that pipe well recharges.Why variety classes is arranged, and mainly is because the infiltration coefficient difference in water-bearing layer causes.Engineering abandoned water lowering well type water source heat pump pipe well provided by the invention can be according to actual water resource heat pump single tube well, two-tube well, the multitube well of being transformed into
Water resource heat pump single tube well is referred to as again to recharge groundwater heat pump with well, the one band large tracts of land popularization now in Beijing, be a kind of domestic a kind of novel groundwater heat pump (Ni Long that proposed in recent years that development potentiality is arranged very much with independent intellectual property right, horse is the best, recharge down the water resource heat pump specificity analysis with well in the multi-layered aquifer, the building heat-energy air conditioner, in June, 2005, Vol.24 (3): 11-13).When engineering dewatering well is designed and constructed, at first by permanent well design, secondly the sealing well casing of certain-length is set at the chimney filter middle part, general length is between 1-2m, also layering input when acquiring the gravel material, sealing well casing place drops into water proof materials such as clay at the middle part, if water yield does not reach designing requirement, then well is deepened 1-2m.After the engineering dewatering well construction finishes, by the normal precipitation operation of designing requirement, treat the end of major project or excavation project construction after, its pot life expires, and needs the packing operation.Patent of the present invention is meant is not carrying out the packing operation, but carry out clean-out service once more, well-flushing requires to satisfy relevant specification (People's Republic of China's industry standard " building and municipal dewatering project technical specification JGJ/T111-98 " and B50296-1999 " Technical standard for water supply well ") requirement, thereby solves obstruction, the sand setting problem that produces in the former precipitation well running.Press the designing requirement of water resource heat pump single tube well, seal well casing place next sleeve pipe again at the middle part, make again sleeve pipes that contain in the pipe well more, the water that comes from heat exchanger enters the sleeve pipe outer tube, recharges in the water-bearing layer by the backwater well pattern, with the water-bearing layer heat exchange; Simultaneously, underground water in the water-bearing layer enters heat exchanger by immersible pump pressurization back by pipe in the sleeve pipe through the well pattern of drawing water, and the well pattern of drawing water has a partition with recharging between the well pattern, avoid backwater directly to enter the part of drawing water, and produces bigger heat perforation.Next step is stablized bailing test and recharges test and measure water temperature, determines the water yield of pipe well and recharges resistance performance and actual water temperature; Water pump is installed at last and is sealed well head as the water resource heat pump pipe well.
Water resource heat pump is two, multitube well citation form is consistent, and mainly by pumped well with irritating well construction, difference is the number difference of inverted well, and two-tube well refers to a bite pumped well and a bite inverted well, and the multitube well refers to that a bite pumped well and several mouthfuls are with irritating well.Because the precipitation well also considers well parameter problems such as the radius that draws water, water yield, also all between tens meters, can reach that water resource heat pump is two, the well spacing requirement of multitube well according to its well spacing of design.When engineering dewatering well is designed and constructed, by by the design of permanent well, after the engineering dewatering well construction finishes, by the normal precipitation operation of designing requirement, treat the end of major project or excavation project construction after, its pot life expires, and needs the packing operation.Patent of the present invention is meant is not carrying out the packing operation, but carry out clean-out service once more, well-flushing requires to satisfy relevant specification (People's Republic of China's industry standard " building and municipal dewatering project technical specification JGJ/T111-98 " and B50296-1999 " Technical standard for water supply well ") requirement, thereby solves obstruction, the sand setting problem that produces in the former precipitation well running.Press that water resource heat pump is two, the designing requirement of multitube well, determine pumped well and inverted well, produce bigger perforation runner.Next step is stablized bailing test and recharges test and measure water temperature, determines the water yield of pipe well and recharges resistance performance and actual water temperature; Water pump is installed at last and is sealed well head as the water resource heat pump pipe well.
The water resource heat pump pipe well forms open low-temperature water head site heat energy circulating system, and each model earth source heat pump unit of face of land exchange pipeline and the satisfied actual different capacity that requires is installed.Thermostat layer by underground water and backfilling material, former casing and ground water regime carries out the cycling hot exchange, and reach the purpose that energy transforms by the earth source heat pump unit, play the effect of central air-conditioning, if auxiliary then can provide central hot-water heating system institute calorific requirement with devices such as central heaters.
The invention has the beneficial effects as follows, can utilize existing architectural engineering to scrap the precipitation well, increase a little amount of work through permanent well design adjustment and secondary well-flushing etc., become the water source pipe well that can carry out the cyclic transformation of superficial part water head site heat energy easily, these engineering abandoned water lowering well type water source heat pump pipe wells can play the same effect that traditional open water resource heat pump is holed into well, but have saved the correlative charges of prebored hole.
The engineering abandoned water lowering well type water source heat pump pipe well that adopts in this invention can reach all indexs of drilling hole type water resource heat pump pipe well fully.In addition, this technology can also constitute various ways such as single tube well, two-tube well, multitube well flexibly, is example with two, multitube well, can require to be provided with 1 mouthful, 2 mouthfuls or many mouthfuls of inverted wells according to thermic load.Engineering is scrapped precipitation well transformation success, and well lid is installed, and does not influence other engineer operation.Secondly owing to need all kinds of backfilling materials of filling to carry out packing in scrapped project precipitation well, the present invention can be saved the sealing material expense and the labour cost of scrapping the precipitation well, has also avoided the packing of scrapped project precipitation well simultaneously.
This technology at first is a kind of of water resource heat pump pipe well, has the innate advantage of water source heat pump technology.At expensive excessive problems of water source heat pump technology initial outlay that causes such as traditional water resource heat pump pipe well technology boring Cheng Jing, this pipe well technology can avoid holing into the well cost, and only this item can be saved great amount of cost.Engineering is scrapped in the lowering well type water and can be constituted various ways such as single tube well, two-tube well, multitube well flexibly in addition, further reduces construction cost.As seen these technical measures will lower the comprehensive cost of whole water resource heat pump, and China is manually cheap, scrapped project precipitation well huge amount, if cooperate promoting the use of of present technique, to bring hundreds of millions of economic benefits and environmental benefit every year, can save a large amount of non-renewable strategic resources such as oil coal for country again.
Description of drawings:
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a water resource heat pump schematic diagram of the present invention.
Fig. 2 is the D structure figure that engineering is scrapped lowering well type water water resource heat pump single tube well.
Fig. 3 is that architecture Foundation Pit Engineering is scrapped the profile of precipitation well as water resource heat pump single tube well.
Fig. 4 is the plane of Fig. 3.
Fig. 5 is that engineering scraps that the lowering well type water water resource heat pump is two, the pumped well structural map of multitube well.
Fig. 6 is that engineering scraps that the lowering well type water water resource heat pump is two, the inverted well structural map of multitube well.
Fig. 7 is the profile that architecture Foundation Pit Engineering is scrapped the two-tube well of lowering well type water water resource heat pump.
Fig. 8 is the plane that architecture Foundation Pit Engineering is scrapped the two-tube well of lowering well type water water resource heat pump.
Fig. 9 is the profile that architecture Foundation Pit Engineering is scrapped lowering well type water water resource heat pump multitube well.
Figure 10 is the plane that architecture Foundation Pit Engineering is scrapped the two-tube well of lowering well type water water resource heat pump.
1. engineering abandoned water lowering well type water source heat pump pipe wells among the figure, 2. water-bearing layer, 3. face of land exchange pipeline, 4. earth source heat pump unit, 5. building, 6. underground water is extracted out, 7. groundwater recharge, 8. well lid, 9. the outer back-up sand gravel gravel material of well sleeve pipe, 10. the well sleeve pipe is filled out clay water proof gravel material outward, 11. sealing well casings, 12. filter pipe, 13. sand sediment pipes, 14. cut off, 15. immersible pump, 16. top board soil layers, 17. base plate soil layers, 18. recharge compression pump, 19. outlet pipes, 20. water inlet pipes
The specific embodiment:
In Fig. 1, water resource heat pump is the low-temperature heat energy that utilizes shallow surface underground water geothermal energy resources, come out superficial part water-bearing layer (2) in phreatic heat extraction by engineering abandoned water lowering well type water source heat pump pipe well (1) winter, supplies with building (5) heating by face of land exchange pipeline (3) and earth source heat pump unit (4); Take out building (5) heat summer, is discharged in the underground water in the superficial part water-bearing layer (2) by face of land exchange pipeline (3), earth source heat pump unit (4) and engineering abandoned water lowering well type water source heat pump pipe well (1).
In embodiment illustrated in fig. 2, engineering abandoned water lowering well type water source heat pump pipe well (1) is the single tube well, and the structure of normal whole well is filled out gravel material (9 and 10), well sleeve pipe (11), filter pipe (12), sand sediment pipe (13) outward by the well sleeve pipe and formed.The sealing well casing (11) of certain-length is set at filter pipe (12) middle part, and general length is between 1-2m, and also layering input when acquiring gravel material (9 and 10) is at water proof materials (10) such as sealing well casing place, middle part input clays.After the engineering dewatering well construction finishes, by the normal precipitation operation of designing requirement, after treating the end of major project or excavation project construction, after carrying out clean-out service once more, seal well casing place next partition (14) again at the middle part, make groundwater recharge (7) enter partition (14) top, recharge in the water-bearing layer (2), with water-bearing layer (2) heat exchange by the backwater well pattern; Simultaneously, underground water in water-bearing layer (2) is extracted (6) out and is entered heat exchanger by immersible pump (15) by cutting off (14) bottom through the well pattern of drawing water, and the well pattern of drawing water and recharge this partition (16) between the well pattern avoids backwater directly to enter the part of drawing water.Immersible pump (15) is installed at last and is sealed well head (8) as water resource heat pump single tube well.Extract (6) and groundwater recharge (7) out by underground water, make underground water and well sleeve pipe (11), well sleeve pipe fill out gravel material (9 and 10) outward, water-bearing layer (2) carry out heat exchange.The architecture Foundation Pit Engineering that Fig. 3 shows is scrapped the profile of precipitation well as water resource heat pump single tube well.What Fig. 4 showed is the plane of Fig. 3.
In Fig. 5 and another embodiment shown in Figure 6, engineering abandoned water lowering well type water source heat pump pipe well (1) is pumped well and the inverted well in two, the multitube well.The structure of normal whole well is filled out gravel material (9 and 10), well sleeve pipe (11), filter pipe (12), sand sediment pipe (13) outward by the well sleeve pipe and is formed.After the engineering dewatering well construction finishes, by the normal precipitation operation of designing requirement, after treating the end of major project or excavation project construction, after carrying out clean-out service once more, press that water resource heat pump is two, the designing requirement of multitube well, determine pumped well (Fig. 5) and inverted well (Fig. 6), immersible pump (14) is installed or in the loop of the face of land, is installed and recharge compression pump (18), and sealing well head (8) is as the water resource heat pump pipe well.Extract groundwater recharge (7) in (6) and the inverted well shown in Figure 6 out by underground water in the pumped well shown in Figure 5, make underground water and well sleeve pipe (11), well sleeve pipe fill out gravel material (9 and 10) outward, water-bearing layer (2) carry out heat exchange, heat exchanger channels is stably descended in formation.The architecture Foundation Pit Engineering that Fig. 7 shows is scrapped the profile of the two-tube well of lowering well type water water resource heat pump, and what Fig. 8 showed is the plane of Fig. 7.Showed a bite pumped well and a bite inverted well composition heat exchange loop.The architecture Foundation Pit Engineering that Fig. 9 shows is scrapped the profile of lowering well type water water resource heat pump multitube well, and what Figure 10 showed is the plane of Fig. 9.Showed that a bite pumped well and Duo Kou (be 2 mouthfuls of inverted wells in this example, can require to be provided with many mouthfuls of inverted wells according to reality) are with irritating well construction heat exchange loop.
Claims (9)
1. engineering abandoned water lowering well type water source heat pump pipe well, engineering is scrapped the design of precipitation well by permanent well design, normal precipitation operation, pot life expires does not carry out the packing operation, again clean-out service, and carry out bailing test, recharge test and measure water temperature, be lowered to immersible pump at last, form the water resource heat pump pipe well.Can engineering scrap the precipitation well according to design and can be transformed into water resource heat pump single tube well, two-tube well, multitube well.By the water resource heat pump pipe well underground water is extracted out and is recharged, make underground water and well sleeve pipe), the well sleeve pipe fills out the gravel material outward, heat exchange is carried out in the water-bearing layer, formation open low-temperature water head site heat energy circulating system.
2. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1 is characterized in that: engineering is scrapped precipitation and is designed, constructs and check and accept by permanent well in the present technique, and pertinent regulations are all by national existing relevant specification.
3. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1, it is characterized in that: expire when the operation time limit of engineering dewatering well, after referring to the end of major project or excavation project construction, do not carry out the packing operation, but carry out clean-out service, bailing test once more, recharge test and measure water temperature, be lowered to immersible pump or ground pipeline at last and install with irritating compression pump, relevant specification is satisfied in its specific requirement.
4. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1, it is characterized in that: when the time as water resource heat pump single tube well, when engineering dewatering well is designed and constructed, by on the permanent well design basis, the sealing well casing of certain-length is set at the chimney filter middle part, general length is between 1-2m, also layering input when acquiring the gravel material, sealing well casing place drops into water proof materials such as clay at the middle part, if water yield does not reach designing requirement, then well is deepened 1-2m.
5. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1, it is characterized in that: when the time as water resource heat pump single tube well, on the basis of right 4, expire when the operation time limit of engineering dewatering well, after referring to the end of major project or excavation project construction, do not carry out the packing operation, but carry out clean-out service once more, relevant specification is satisfied in its specific requirement.
6. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1, it is characterized in that: when the time as water resource heat pump single tube well, on the basis of right 4 and 5, press the designing requirement of water resource heat pump single tube well, seal well casing place next sleeve pipe again at the middle part, make again sleeve pipes that contain in the pipe well more, the water that comes from heat exchanger enters the sleeve pipe outer tube, recharge in the water-bearing layer by the backwater well pattern, with the water-bearing layer heat exchange; Simultaneously, underground water in the water-bearing layer enters heat exchanger by immersible pump pressurization back by pipe in the sleeve pipe through the well pattern of drawing water, the well pattern of drawing water and recharge a partition is arranged between the well pattern, next step is stablized bailing test and recharges test and measure water temperature, determines the water yield of pipe well and recharges resistance performance and actual water temperature; Water pump is installed at last and is sealed well head as the water resource heat pump pipe well.
7. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1, it is characterized in that: when, multitube well two as water resource heat pump, on the basis of right 3, determine that by actual requirement engineering scraps draw water pipe well and engineering of lowering well type water water resource heat pump and scrap the lowering well type water water resource heat pump and recharge pipe well.
8. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1 is characterized in that: when, multitube well two as water resource heat pump, on the basis of right 7, can require be provided with 1 mouthful, 2 mouthfuls or many mouthfuls of inverted wells according to thermic load.
9. engineering abandoned water lowering well type water source heat pump pipe well according to claim 1 is characterized in that: needs sealing well head, at well head well lid is installed.
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| CNA2006100172821A CN1945164A (en) | 2006-10-31 | 2006-10-31 | Engineering abandoned water lowering well type water source heat pump pipe well |
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| CNA2006100172821A CN1945164A (en) | 2006-10-31 | 2006-10-31 | Engineering abandoned water lowering well type water source heat pump pipe well |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526755C (en) * | 2007-09-27 | 2009-08-12 | 成都建筑工程集团总公司 | Groundwater recharge method |
| CN102182173A (en) * | 2010-04-30 | 2011-09-14 | 中国一冶集团有限公司 | Underground water back-filling regulation and control device |
| CN103925738A (en) * | 2013-01-10 | 2014-07-16 | 江苏望远节能科技开发有限公司 | Open single-tube vertical borehole ground-coupled heat pump system |
| CN103982961A (en) * | 2014-03-25 | 2014-08-13 | 河南润恒节能技术开发有限公司 | Hose type water outlet and return device in same water source well for water source heat pump central air conditioner |
| EP2198210B1 (en) * | 2007-09-28 | 2015-09-02 | Geo-en Energy Technologies Gmbh | A system for utilization of geothermal heat |
| CN105241123A (en) * | 2015-11-23 | 2016-01-13 | 丁海平 | Heat pump well |
| CN105370216A (en) * | 2014-08-29 | 2016-03-02 | 中国石油化工股份有限公司 | Heat-insulating completion pipe string |
| CN107227975A (en) * | 2017-06-06 | 2017-10-03 | 西安科技大学 | Mineral deposit cooperates with exploitation with underground heat and adjoins stope collaboration cool-down method and system |
| JP2018145606A (en) * | 2017-03-01 | 2018-09-20 | 株式会社大林組 | Groundwater utilization system |
| CN111827327A (en) * | 2020-07-15 | 2020-10-27 | 浙江恒昌建设有限公司 | Soft soil foundation layered dewatering construction structure and construction method |
-
2006
- 2006-10-31 CN CNA2006100172821A patent/CN1945164A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100526755C (en) * | 2007-09-27 | 2009-08-12 | 成都建筑工程集团总公司 | Groundwater recharge method |
| EP2198210B1 (en) * | 2007-09-28 | 2015-09-02 | Geo-en Energy Technologies Gmbh | A system for utilization of geothermal heat |
| CN102182173A (en) * | 2010-04-30 | 2011-09-14 | 中国一冶集团有限公司 | Underground water back-filling regulation and control device |
| CN102182173B (en) * | 2010-04-30 | 2012-12-26 | 中国一冶集团有限公司 | Underground water back-filling regulation and control device |
| CN103925738A (en) * | 2013-01-10 | 2014-07-16 | 江苏望远节能科技开发有限公司 | Open single-tube vertical borehole ground-coupled heat pump system |
| CN103982961A (en) * | 2014-03-25 | 2014-08-13 | 河南润恒节能技术开发有限公司 | Hose type water outlet and return device in same water source well for water source heat pump central air conditioner |
| CN105370216A (en) * | 2014-08-29 | 2016-03-02 | 中国石油化工股份有限公司 | Heat-insulating completion pipe string |
| CN105241123A (en) * | 2015-11-23 | 2016-01-13 | 丁海平 | Heat pump well |
| CN105241123B (en) * | 2015-11-23 | 2019-01-01 | 丁海平 | A kind of heat pump well |
| JP2018145606A (en) * | 2017-03-01 | 2018-09-20 | 株式会社大林組 | Groundwater utilization system |
| CN107227975A (en) * | 2017-06-06 | 2017-10-03 | 西安科技大学 | Mineral deposit cooperates with exploitation with underground heat and adjoins stope collaboration cool-down method and system |
| CN107227975B (en) * | 2017-06-06 | 2018-01-09 | 西安科技大学 | Mineral deposit cooperates with exploitation with underground heat and adjoins stope collaboration cool-down method and system |
| CN111827327A (en) * | 2020-07-15 | 2020-10-27 | 浙江恒昌建设有限公司 | Soft soil foundation layered dewatering construction structure and construction method |
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