CN200979311Y - Water extraction and filling well for water source heat pump cooling-warming air-conditioning system - Google Patents
Water extraction and filling well for water source heat pump cooling-warming air-conditioning system Download PDFInfo
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- CN200979311Y CN200979311Y CNU2006201501249U CN200620150124U CN200979311Y CN 200979311 Y CN200979311 Y CN 200979311Y CN U2006201501249 U CNU2006201501249 U CN U2006201501249U CN 200620150124 U CN200620150124 U CN 200620150124U CN 200979311 Y CN200979311 Y CN 200979311Y
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- heat pump
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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 utility model relates to a recharge well applicable to water source heat pump air conditioning system belonging to water to water type heat pump air conditioning system. The utility model comprises a well body and is characterized in that the well body is arranged as a recharge well body whose two holes are equidistant, the recharge well body is divided into an upper pump section and a lower filtering pipe section, the filtering pipe section is arranged as a cage double-layer gravel-filled filter. The utility model has the advantages that because of employing the technique of commutative recharge with two wells for winter and summer and of balance of recharging, the recharged underground water returns into the same water layer, which ensures that the water of the water layer can not be reduced and can dredge all kinds of jams, and the sand pouring of the well can be avoided and the service life of the well is prolonged greatly. The utility model is particularly applicably to the water layer of the quaternary system with fine sand.
Description
Technical field
The utility model belongs to water-water type heat pump type air conditioning system, relates in particular to a kind of adopting with pipe well and irritates the Cai Guanjing in the water resource heat pump waring and cooling air conditioning system of being applied to that underground water is medium.
Background technology
Earth source heat pump is a kind of efficient energy-saving water-saving air-conditioning system that heat supply can be freezed again that gets final product of utilizing underground geothermal using resource.Earth source heat pump realizes that by a spot of electric energy of input low-grade energy to the high temperature bit transition, is the thermal source of heat pump heating and the low-temperature receiver of summer air-conditioning in the winter time.Adopting filling underground water with pipe well is medium, is applied to the core technology in the water monohydrate heat pump type air conditioning system.Whole system is mainly divided three parts, outdoor pipe well system, water source heat pump units and indoor end system (fan coil), carry out the transmission of heat by the water heat exchange between three systems, heat transferring medium is a underground water between water resource heat pump and the ground energy, and heat transferring medium is a running water after softening between the constructure heating air-conditioning.By machine set compressor work, force the cold-producing medium compression with low grade heat energy in the underground water winter, and the heat in evaporation, the absorption underground water makes its temperature drop to certain value and recharges underground reservoir again.The heat that unit absorbs is released by the condensation of medium again, and in order to the running water of heating heating system, maximum temperature can reach 45-60 ℃.Summer, unit was done contrary circulation when freezing.Utilize the cooling water of the underground water of inverted well, can improve the operating efficiency of unit greatly, thereby reach energy-conservation effect as unit.Because it is unreasonable to adopt the casing programme of irritating well, great majority are adopted and are irritated the structure that well is still continued to use single filter pipe of recovery well, and the well bore tubing that has adopts the pipe of cement insufficient strength, recharge for a long time or pressure when recharging, break up easily and enclose back-up sand, stratum fine grained blowout is gone in the well, use is recharged in influence.The filling of adopting that use in most of area has only single performance to well--and " or adopt or irritate ", winter, the long-term so operating result of Xia Erji are that time one length can make simple inverted well cause gas phase, and physics and biochemistry are stopped up, and cause inverted well to be scrapped, serious meeting causes surface subsidence, water pollution.Therefore adopting and irritating the well casing programme is one of artificial recharge technological core.
The utility model content
The purpose of this utility model is to overcome the defective that above-mentioned technology exists, and provide a kind of Cai Guanjing that is applied in the water resource heat pump waring and cooling air conditioning system, owing to adopted for to irritate each other two summers in well winter to adopt and reach the technology of adopting balance of irritating, the underground water of adopting is all recharged to same water layer, guaranteed the unlikely minimizing of the water-bearing layer water yield, and can dredge various forms and stop up, what also prevented pipe well gushes the sand phenomenon, and prolonged the service life of well greatly.
The utility model for achieving the above object, by the following technical solutions: a kind of Cai Guanjing that is applied in the water resource heat pump waring and cooling air conditioning system, comprise the well body, it is characterized in that: described well body is made as two equidistant adopting and irritates the well body, the described filling well body of adopting is divided into upper pump chamber section and bottom drainage pipeline section, and the segmentation of described drainage pipeline section is provided with cage shape bilayer and fills out gravel filter.
Described filter comprises inner filter screen and outer filter, and inside and outside metafiltration net adopts the filter screen that is coated with of mild steel plastics spray, twines 1.5 millimeters in a gap, porosity 34%; Outer filter twines 1.0 millimeters in a gap, porosity 26.6%; The quartz sand of filling 2-3 millimeter between the double-layer leaching net.
The quartz sand of the annular gap filling 1.5-5.0 millimeter between the described filter and the borehole wall, packed height is higher than the above 20-30 rice of top layer filter pipe.
Described to well spacing from being 45-50 rice.
The beneficial effects of the utility model: owing to adopted for to irritate each other two summers in well winter to adopt and reach the technology of adopting balance of irritating, the underground water of adopting is all recharged to same water layer, guaranteed the unlikely minimizing of the water-bearing layer water yield, and can dredge various forms and stop up, what also prevented pipe well gushes the sand phenomenon, and prolonged the service life of well greatly.Especially being fit to Quaternary system powder fine sand water-bearing layer uses.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
As shown in the figure, a kind of Cai Guanjing that is applied in the water resource heat pump waring and cooling air conditioning system comprises that two equidistant adopting irritate well body 1,2, and its well body distance is a 45-50 rice, 46 meters of optimum distances.The described filling well body of adopting is divided into upper pump chamber section 3 and bottom drainage pipeline section 4, and the segmentation of described drainage pipeline section is provided with cage shape bilayer and fills out gravel filter 5.Filter comprises inner filter screen 6 and outer filter 7, and inside and outside metafiltration net adopts the filter screen that is coated with of mild steel plastics spray, twines 1.5 millimeters in a gap, porosity 34%; Outer filter twines 1.0 millimeters in a gap, porosity 26.6%; The quartz sand 8 of filling 2-3 millimeter between the double-layer leaching net.The quartz sand 9 of the annular gap filling 1.5-5.0 millimeter between the described filter and the borehole wall, packed height is higher than the above 20-30 rice of top layer filter pipe.Earth source heat pump key issue in application technology is the artificial recharge technology of pipe well.With the Efficiency in Buildings in Tianjin Area is that example adopts the utility model technology: because Efficiency in Buildings in Tianjin Area is the downstream that the Plain is impacted in the strand, Quaternary system is made of huge thick unconsolidated sediment, the water-bearing layer lithology is based on the powder fine sand, generally speaking, granularity is from top to bottom by thin chap, the infiltration coefficient radius of influence also increases with the degree of depth and becomes big, and the underground water temperature raises gradually.The problem test site is chosen in the China industry district, garden, new technological industry garden, west and south city, urban district, Tianjin, is that 1.2 ten thousand square metres " HaiTai Building " solves the research that the air conditioner problem is carried out.According to 1.2 ten thousand square metres of changes in temperature loads of its office block " HaiTai Building " institute water requirement, the demand of water temperature has selected 330-400 rice artesian aquifer for adopting the filling target zone.Dug two fillings and adopted well, 600 millimeters of well through-hole aperture Φ; 325 millimeters well casings of upper pump chamber section Φ, about 180 meters of length, 219 millimeters of bottom well casing diameter of phi.To 46 meters of well well spacings.The filter pipe segmentation is provided with cage shape bilayer and fills out gravel filter.Internal layer is 244 millimeters mild steel plastic sprayings of Φ filter screen, twines 1.5 millimeters in a gap, porosity 34%; The outer filter form is with identical with the metafiltration net, and 416 millimeters of diameter of phi twine 1.0 millimeters in a gap, porosity 26.6%; The quartz sand of filling 2-3 millimeter between the double-layer leaching net.The quartz sand of the annular gap filling 1.5-5.0 millimeter between the filter pipe and the borehole wall, packed height is higher than the above 20-30 rice of top layer filter pipe.Sinking shaft operational procedure:, be lowered to filter pipe length (promptly adopting the water height) and be no less than 35 meters for guaranteeing water outlet (recharging) amount.At first use 430 millimeters fish tails of Φ or three wings scraper type drill bit drilling to completion, carry out reaming with 600 millimeters gear wheel assembly units of Φ reaming bit then, draw the hole in the reaming repeatedly and be no less than two times, to guarantee the aperture specification.Strict control the pressure of the drill evenly feeds and guarantees the perpendicularity of holing in creeping into, to guarantee having thickness to fill out gravel bed uniformly around the filter pipe.Utilize electric measuring method to determine to adopt water target zone position behind the pore-forming.Adopt tubular garden dental drill tool to carry out the borehole wall to scrape and cut to adopting water layer, to guarantee that pervious bed is unobstructed.Following pipe after the mud adjustment, following Guan Houzai be no less than 24 hours fully change slurry, treat that mud balance is diluted to 1.08g/cm
3After fill out gravel again.Fill out gravel and around wellhole, evenly slowly insert, after confirming that filling out gravel thickness meets the demands,, measure in the well-flushing and fill out the gravel height, also must mend if any landing and fill out earlier through a stage well-flushing.Carry out top wellhole sealing with admaic earth then.Well-flushing adopts two kinds of methods of first piston post-tensioning negative pressure to carry out.Two kinds of equal layerings of method, clean piecemeal, the time is no less than 72 hours, to the water sand removal clean till.The wellhole aperture is greater than 600 millimeters of Φ, is used the double filter screen filter cross-section of river is increased, and being beneficial to increases the adopting of well, filling amount.Because the gravel material relative fixed in the filter screen, not because of adopt, original the putting in order of bimodal current percussion change when irritating, so can keep the long-term filling of pipe well to fell and transport row.The 1.5-5.0 millimeter gravel material of filling out 2-3 millimeter gravel material and the filling of pipe external series gap in advance in the double-layer leaching net forms step and fills out the gravel loaded filter, not only can stop Cai Shui and return that fine grained enters in the well when raising, and guarantee 25% porosity.Fill out the gravel height and be higher than top filter pipe 20-30m, can prevent to lose sand because of taking out for a long time to irritate, clay glides and blocks the water-bearing layer.Well-flushing adopts the combined type pumping and washing process of malleation piston well-flushing and negative pressure, and well-flushing is comparatively thorough, has reached basic removing mud skin, the water sand removal is clean, increases the effect of specific capacity.At the well casing certain depth water level is installed and is surveyed pipe, can be in operation and carry out water-level observation at any time, grasp the operation conditions of well.
Cheng Jinghou is through stablizing continuous pumpage test more than 8 hours, and it becomes the well result as follows:
Adopt and irritate well 1: water yield 93t/h
Hydrostatic level: 91m
Dynamic water level: 109m
Specific capacity: 5.1t/hm
Sand content:＜1/20000
Well head water temperature: 23.8 ℃ (continuous pumpage was surveyed after 24 hours)
Adopt and irritate well 2: water yield: 95t/h
Hydrostatic level: 90.4m
Dynamic water level: 111.0m
Specific capacity: 4.61t/hm
Sand content :≤1/20000
Well head water temperature: 23.9 ℃ (continuous pumpage was surveyed after 24 hours)
Confirm that through test two wells are to adopt the filling well with layer, owing to adopted suitable coastal region powder fine sand water-bearing layer to adopt the filling needs, have adopted brand-new one-tenth well construction and construction technology, become the well quality better, laid important foundation for adopting the filling test run afterwards.Adopt than being 0.504: 1 through test confirmation filling, the water yield 1/2 is adopted by the amount of the recharging unit of being slightly larger than of unit.This result powder fine sand aquifer water-bearing stratum at home recharges and reaches the top standard.
The above only is preferred embodiment of the present utility model, is not structure of the present utility model is done any pro forma restriction.Every foundation technical spirit of the present utility model all still belongs in the scope of the technical solution of the utility model any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1, a kind of Cai Guanjing that is applied in the water resource heat pump waring and cooling air conditioning system, comprise the well body, it is characterized in that: described well body is made as two equidistant adopting and irritates the well body, and the described filling well body of adopting is divided into upper pump chamber section and bottom drainage pipeline section, and the segmentation of described drainage pipeline section is provided with cage shape bilayer and fills out gravel filter.
2, the Cai Guanjing that is applied in the water resource heat pump waring and cooling air conditioning system according to claim 1, it is characterized in that: described filter comprises inner filter screen and outer filter, inside and outside metafiltration net adopts the filter screen that is coated with of mild steel plastics spray, twines 1.5 millimeters in a gap, porosity 34%; Outer filter twines 1.0 millimeters in a gap, porosity 26.6%; The quartz sand of filling 2-3 millimeter between the double-layer leaching net.
3, the Cai Guanjing that is applied in the water resource heat pump waring and cooling air conditioning system according to claim 1 and 2, it is characterized in that: the quartz sand of the annular gap filling 1.5-5.0 millimeter between the described filter and the borehole wall, packed height is higher than the above 20-30 rice of top layer filter pipe.
4, the Cai Guanjing that is applied in the water resource heat pump waring and cooling air conditioning system according to claim 1 is characterized in that: described to well spacing from for 45-50 rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201501249U CN200979311Y (en) | 2006-11-30 | 2006-11-30 | Water extraction and filling well for water source heat pump cooling-warming air-conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201501249U CN200979311Y (en) | 2006-11-30 | 2006-11-30 | Water extraction and filling well for water source heat pump cooling-warming air-conditioning system |
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| CN200979311Y true CN200979311Y (en) | 2007-11-21 |
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| CNU2006201501249U Expired - Lifetime CN200979311Y (en) | 2006-11-30 | 2006-11-30 | Water extraction and filling well for water source heat pump cooling-warming air-conditioning system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544654A (en) * | 2015-12-29 | 2016-05-04 | 武汉卓成机电工程有限公司 | Method for treating large sand content of well water of water source heat pump air-conditioner |
| CN106403368A (en) * | 2016-08-30 | 2017-02-15 | 湖南中大经纬地热开发科技有限公司 | Terrestrial heat utilizing system based on quaternary alluvial-pluvial layer |
| CN111101905A (en) * | 2019-10-30 | 2020-05-05 | 青海中煤地质工程有限责任公司 | Brine well mining and well completion process for pore type brine seam of salt lake mining area |
| CN115370328A (en) * | 2022-09-23 | 2022-11-22 | 青海省水文地质工程地质环境地质调查院 | Large-caliber dynamic water reverse circulation gravel pack well completion process |
-
2006
- 2006-11-30 CN CNU2006201501249U patent/CN200979311Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105544654A (en) * | 2015-12-29 | 2016-05-04 | 武汉卓成机电工程有限公司 | Method for treating large sand content of well water of water source heat pump air-conditioner |
| CN106403368A (en) * | 2016-08-30 | 2017-02-15 | 湖南中大经纬地热开发科技有限公司 | Terrestrial heat utilizing system based on quaternary alluvial-pluvial layer |
| CN106403368B (en) * | 2016-08-30 | 2018-10-19 | 湖南中大经纬地热开发科技有限公司 | The terrestrial heat utilization system of diluvial formation is rushed based on the 4th system |
| CN111101905A (en) * | 2019-10-30 | 2020-05-05 | 青海中煤地质工程有限责任公司 | Brine well mining and well completion process for pore type brine seam of salt lake mining area |
| CN115370328A (en) * | 2022-09-23 | 2022-11-22 | 青海省水文地质工程地质环境地质调查院 | Large-caliber dynamic water reverse circulation gravel pack well completion process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIN DA DI ENERGY PROJECT TECHNOLOGY CO., LTD., TI Free format text: FORMER OWNER: WANG ANMIN Effective date: 20080808 Owner name: WANG ANMIN Free format text: FORMER OWNER: ZHAO SHULIN; PATENTEE Effective date: 20080808 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080808 Address after: Tianjin City, Hexi District Lake Road No. 9 9, zip code: 300060 Patentee after: TIANJIN JINDADI ENERGY ENGINEERING TECHNOLOGY Co.,Ltd. Address before: Tianjin City, Hexi District Lake Road No. 9 9, zip code: 300060 Patentee before: Wang Anmin Effective date of registration: 20080808 Address after: Tianjin City, Hexi District Lake Road No. 9 9, zip code: 300060 Patentee after: Wang Anmin Address before: Tianjin City, Hexi District Lake Road No. 9 9, zip code: 300060 Co-patentee before: Wang Anmin Patentee before: Zhao Shulin |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Water extraction and filling well for water source heat pump cooling-warming air-conditioning system Effective date of registration: 20110718 Granted publication date: 20071121 Pledgee: Pudong Shanghai Development Bank Limited by Share Ltd. Tianjin branch Pledgor: TIANJIN JINDADI ENERGY ENGINEERING TECHNOLOGY Co.,Ltd. Registration number: 2011990000277 |
|
| C56 | Change in the name or address of the patentee |
Owner name: GOLDEN EARTH NEW ENERGY (TIANJIN) GROUP CO., LTD. Free format text: FORMER NAME: TIANJIN JINDADI ENERGY ENGINEERING TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 300000, A, room 25, building 2, affluent building, west side of Jiefang South Road, Tianjin, Hexi District Patentee after: GOLDEN EARTH NEW ENERGY (TIANJIN) GROUP CO.,LTD. Address before: 300060 Tianjin city Hexi District Lake Road No. 9 9 Patentee before: TIANJIN JINDADI ENERGY ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150827 Granted publication date: 20071121 Pledgee: Pudong Shanghai Development Bank Limited by Share Ltd. Tianjin branch Pledgor: GOLDEN EARTH NEW ENERGY (TIANJIN) GROUP CO.,LTD. Registration number: 2011990000277 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20150827 Registration number: 2011990000277 Pledgor after: GOLDEN EARTH NEW ENERGY (TIANJIN) GROUP CO.,LTD. Pledgor before: TIANJIN JINDADI ENERGY ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300000, A, room 25, building 2, affluent building, west side of Jiefang South Road, Tianjin, Hexi District Patentee after: JINDADI NEW ENERGY (TIANJIN) GROUP CO.,LTD. Address before: 300000, A, room 25, building 2, affluent building, west side of Jiefang South Road, Tianjin, Hexi District Patentee before: GOLDEN EARTH NEW ENERGY (TIANJIN) GROUP CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071121 |
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| EXPY | Termination of patent right or utility model |