CN106677262A - Method for artificially sealing and recharging geothermal water - Google Patents
Method for artificially sealing and recharging geothermal water Download PDFInfo
- Publication number
- CN106677262A CN106677262A CN201611194140.2A CN201611194140A CN106677262A CN 106677262 A CN106677262 A CN 106677262A CN 201611194140 A CN201611194140 A CN 201611194140A CN 106677262 A CN106677262 A CN 106677262A
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- valve
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- air accumulator
- water
- gas
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000007789 sealing Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000007789 gas Substances 0.000 claims abstract description 41
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 39
- 238000011084 recovery Methods 0.000 claims description 36
- 239000003673 groundwater Substances 0.000 claims description 14
- 230000002706 hydrostatic effect Effects 0.000 claims description 14
- 230000003247 decreasing effect Effects 0.000 claims description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 239000011572 manganese Substances 0.000 abstract description 4
- 229910052748 manganese Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract 2
- 150000002500 ions Chemical class 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000003068 static effect Effects 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 230000000903 blocking effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000002349 well water Substances 0.000 description 3
- 235000020681 well water Nutrition 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
- E03B3/32—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/20—Geothermal collectors using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Combustion & Propulsion (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Development (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Pipeline Systems (AREA)
Abstract
The invention relates to the field of technologies for utilizing shallow geothermal energy, in particular to a method for artificially sealing and recharging geothermal water. The method includes steps of firstly, connecting gas inlets of gas storage tanks with nitrogen cylinders, connecting valves II onto gas inlet pipelines of the gas storage tanks, connecting gas inlet pipes at the rear ends of the valves II to gas circulating pipelines I, connecting valves III onto the gas circulating pipelines I, extending the lower ends of the gas circulating pipelines I into spaces below internal static water levels of mining wells and connecting valves IX onto the gas circulating pipelines I on the outer sides of seal wellheads at the upper ends of the mining wells. The method has the advantages that underground water is recharged in a nitrogen seal state in integral heat pump operation procedures and can be prevented from being in contact with oxygen, accordingly, ions of iron, manganese and the like in the underground water can be prevented from being oxidized, components in the underground water can be prevented from being destroyed, chemical plugging and biochemical plugging of the underground water in recharging procedures can be reduced to a great extent, the pump lifting cycles can be prolonged, and the problem of plugging of recharge wells can be solved from the source.
Description
Technical field：
The present invention relates to shallow layer geothermal energy utilizes technical field, more particularly to a kind of GEOTHERMAL WATER manual seal recharge method.
Background technology：
It is protection groundwater resources, it is ensured that water source heat pump system runs stably in a long term in groundwater heat pump application,
Recharge measure must be taken in water source heat pump system engineering, so-called recharge is exactly will be by discharge after water source heat pump units heat-shift
Water reinject similarly hereinafter in the water-bearing layer of layer position, do so can adjust water level with recharge of groundwater source, maintain reserves balance.
In underground heat in developing pore type water-bearing layer underground water, because phreatic water generally contains Fe and Mn height, after being oxidized, easily
Generation chemistry, biochemistry blocking, current blockage problem has become the bottleneck problem of pore type water-bearing layer recharge measure.It is main at present
If carrying out well-flushing process using acid filling method.Taken after these method blockings, mitigation can only be played, and can not
Prevent the progressively decay of well recharge amount.Therefore, how to seal makes underground water not oxidized during drawing water, putting forward heat and recharge
It is particularly important.
The content of the invention：
The technical problem to be solved in the present invention is to provide a kind of GEOTHERMAL WATER manual seal recharge method, the method achieves ground
Lower water is carried out during whole operation of heat pump under a nitrogen-sealed state, is not come in contact with oxygen, makes underground
The iron of water, manganese plasma are not oxidized, do not destroy the composition of underground water, greatly reduce chemistry of the underground water during recharge
Blocking and biochemistry blocking, extend back the cycle of raising, and blocking of recharge well is solved the problems, such as from source.Overcome existing inverted well difficult
To solve the deficiency of chemistry, biochemistry blockage problem.
The technical solution used in the present invention is：A kind of GEOTHERMAL WATER manual seal recharge method, the method step is as follows：
First, the air inlet of air accumulator is connected with nitrogen cylinder, connecting valve II on the admission line of air accumulator, after valve II
The air inlet pipe at end is connected with gas pipeloop I, and valve III is connected with gas pipeloop I, and the lower end of gas pipeloop I extend into
In recovery well below hydrostatic level, valve Ⅸ is connected with the gas pipeloop I on the outside of the sealing wellhead of recovery well upper end, in recovery well
End sealing wellhead be connected with the discharge line for being connected with valve VIII, in recovery well hydrostatic level to have immersible pump, on immersible pump
End connection water-circulation pipe, water-circulation pipe upper end is stretched out recovery well upper end sealing wellhead and is connected with groundwater heat pump, ground
Lower water resource heat pump is connected by water-circulation pipe with inverted well upper end sealing wellhead inner side, and the one end of gas pipeloop II extend into
In inverted well below hydrostatic level, connecting valve V and valve VI on the gas pipeloop II on the outside of the sealing wellhead of inverted well upper end,
The other end of gas pipeloop II and inverted well upper end sealing wellhead inner side is connected, valve VI and inverted well upper end sealing wellhead it
Between gas pipeloop II be connected with the discharge line for being connected with valve VII, the gas pipeloop between valve V and valve VI
II is connected with pipeloop, and the pipeloop other end is connected with air accumulator, be sequentially connected with pipeloop stop valve II,
Pressure gauge and valve I, ball-cock assembly two ends are connected on the pipeloop at the two ends of stop valve II by pipeline, I liang of stop valve
Hold by pipeline be connected on ball-cock assembly and the pipeloop of the lower end of stop valve II on, air accumulator be connected with safety valve
Pipeline is connected, and air accumulator bottom is connected with the blast pipe for being connected with valve IV；
2nd, valve I, valve III are closed, open valve II, valve IV, open nitrogen cylinder switch, inflated into air accumulator,
Air in air accumulator is replaced with nitrogen, valve IV is then shut off, continues to be inflated into air accumulator, until air accumulator internal pressure
Power reaches and close after 0.3~0.5MPa nitrogen cylinder, closes valve II；
3rd, valve VIII, valve Ⅸ, valve III are opened, air pressure is higher than the air pressure in recovery well in air accumulator, in air accumulator
Nitrogen is entered in recovery well, after hydrostatic level air above nitrogen is replaced in recovery well, closes valve VIII；
4th, valve VI is closed, opens valve VII, valve V, stop valve I, ball-cock assembly, stop valve II, valve I, air accumulator
Interior air pressure is entered in inverted well higher than the air pressure in inverted well, the nitrogen in air accumulator, more than hydrostatic level in inverted well
Air replaced with nitrogen, close valve VII, valve V, open valve VI；
5th, when groundwater heat pump runs, immersible pump power switch in recovery well, after immersible pump draws water, recovery well are opened
Interior water level decreasing, nitrogen is under pressure to recovery well tonifying Qi in air accumulator；
6th, dive under water pumped water after groundwater heat pump puies forward heat recharge to return tank well, in inverted well water level rising,
Nitrogen is returned under pressure in air accumulator in inverted well, and after water level rises to well head, water, gas are simultaneously to air accumulator stream
Dynamic, nitrogen can enter air accumulator when ball-cock assembly, and water is prevented by ball-cock assembly.
The invention has the beneficial effects as follows：Present invention achieves underground water is in a nitrogen during whole operation of heat pump
Carry out under sealing state, do not come in contact with oxygen, make the iron of underground water, manganese plasma not oxidized, do not destroy underground water
Composition, greatly reduce electroless Ni-P-C-O plating of the underground water during recharge and biochemistry blocking, extend back the cycle of raising, from source
Blocking of recharge well is solved the problems, such as on head.
Description of the drawings：
With reference to the accompanying drawings and detailed description the present invention will be further described in detail.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is ground nitrogen circulation schematic diagram.
Fig. 3 is recovery well nitrogen circulation schematic diagram.
Fig. 4 is reinjection well nitrogen circulation schematic diagram.
Specific embodiment：
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of GEOTHERMAL WATER manual seal recharge method, the method step is as follows：
First, the air inlet of air accumulator 14 is connected with nitrogen cylinder, connecting valve II 6, valve on the admission line of air accumulator 14
The air inlet pipe of II 6 rear ends of door is connected with gas pipeloop I, valve III 7 is connected with gas pipeloop I, under gas pipeloop I
End is extend in recovery well 15 below hydrostatic level, and on the gas pipeloop I on the outside of the upper end sealing wellhead of recovery well 15 valve is connected with
Door Ⅸ 13, the upper end sealing wellhead of recovery well 15 is connected with the discharge line for being connected with valve VIII 12, in recovery well 15 hydrostatic level with
Immersible pump 17 is had, the upper end of immersible pump 17 connects water-circulation pipe, and the sealing of the upper end of recovery well 15 is stretched out in water-circulation pipe upper end
Well head is connected with groundwater heat pump 18, and groundwater heat pump 18 is by water-circulation pipe and the upper end sealing wellhead of inverted well 16
Inner side is connected, and the one end of gas pipeloop II is extend in inverted well 16 below hydrostatic level, outside the upper end sealing wellhead of inverted well 16
Connecting valve V 9 and valve VI 10 on the gas pipeloop II of side, the other end of gas pipeloop II is sealed with the upper end of inverted well 16
Well head inner side be connected, the gas pipeloop II between valve VI 10 and the upper end sealing wellhead of inverted well 16 be connected with valve VII
11 discharge line is connected, and the gas pipeloop II between valve V 9 and valve VI 10 is connected with pipeloop, circulation pipe
The line other end is connected with air accumulator 14, and stop valve II 3, pressure gauge and valve I 4, ball-cock assembly 2 have been sequentially connected with pipeloop
Two ends are connected on the pipeloop at the two ends of stop valve II 3 by pipeline, and the two ends of stop valve I 1 are connected respectively by pipeline
On ball-cock assembly 2 and on the pipeloop of the lower end of stop valve II 3, air accumulator 14 is connected with the pipeline for being connected with safety valve 5, storage
The bottom of gas tank 14 is connected with the blast pipe for being connected with valve IV 8；
2nd, valve I 4, valve III 7 are closed, opens valve II 6, valve IV 8, nitrogen cylinder switch is opened, into air accumulator 14
Inflation, replaces the air in air accumulator 14 with nitrogen, is then shut off valve IV 8, continues to be inflated into air accumulator 14, until
Pressure reaches and close after 0.3~0.5MPa nitrogen cylinder in air accumulator 14, closes valve II 6；
3rd, valve VIII 12, valve Ⅸ 13, valve III 7 are opened, air pressure is higher than the air pressure in recovery well 15 in air accumulator 14,
Nitrogen in air accumulator 14 is entered in recovery well 15, after hydrostatic level air above nitrogen is replaced in recovery well 15,
Close valve VIII 12；
4th, valve VI 10 is closed, opens valve VII 11, valve V 9, stop valve I 1, ball-cock assembly 2, stop valve II 3, valve I
4, higher than the air pressure in inverted well 16, the nitrogen in air accumulator 14 is entered in inverted well 16 air pressure in air accumulator 14, until handle is returned
Fill the air in well 16 more than hydrostatic level to be replaced with nitrogen, close valve VII 11, valve V 9, open valve VI 10；
5th, when groundwater heat pump 18 runs, the power switch of immersible pump 17 in recovery well 15 is opened, immersible pump 17 draws water
Afterwards, water level decreasing in recovery well 15, nitrogen is under pressure to the tonifying Qi of recovery well 15 in air accumulator 14；
6th, the water that immersible pump 17 is extracted out after groundwater heat pump 18 puies forward heat recharge to time tank well 16, in inverted well 16
Water level rises, and nitrogen is returned under pressure in air accumulator 14 in inverted well 16, and after water level rises to well head, water, gas are same
When flow to air accumulator 14, nitrogen can enter air accumulator 14 when ball-cock assembly 2, and water is prevented by ball-cock assembly 2.
Normal conditions underground water draws water from recovery well, and through heat pump heat is extracted, and terminates to inverted well, whole process
It is hardly formed a closed system.During operation of heat pump, recovery well water level decreasing, recharge Well Water Level rises, at this moment air and water
There is the chance of contact.The purpose of the present invention is during operation of heat pump, by with nitrogen-sealed recovery well and inverted well, making air
Middle oxygen has no chance to enter in underground water, and underground water is under a positive confinement state during whole operation of heat pump
Carry out, so greatly reduce inverted well chemistry, biochemistry blocking, blocking of recharge well is solved the problems, such as from source.In addition,
By installing nickel foam sand cap additional on immersible pump, suspension in underground water, fine sand etc. is set to have stayed in pumped well, also from source
On reduce inverted well physical clogging.
It is understood that above with respect to the specific descriptions of the present invention, being merely to illustrate the present invention and being not limited to this
Technical scheme described by inventive embodiments, it will be understood by those within the art that, still the present invention can be carried out
Modification or equivalent, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (1)
1. a kind of GEOTHERMAL WATER manual seal recharge method, it is characterised in that：The method step is as follows：
First, the air inlet of air accumulator (14) is connected with nitrogen cylinder, connecting valve II (6) on the admission line of air accumulator (14),
The air inlet pipe of the rear end of valve II (6) is connected with gas pipeloop I, and valve III (7), gas circulation are connected with gas pipeloop I
The lower end of pipeline I is extend into below the interior hydrostatic level of recovery well (15), the gas pipeloop I on the outside of the sealing wellhead of recovery well (15) upper end
On be connected with valve Ⅸ (13), recovery well (15) upper end sealing wellhead is connected with the discharge line for being connected with valve VIII (12), opens
Adopt the interior hydrostatic level of well (15) to have immersible pump (17), immersible pump (17) upper end connection water-circulation pipe, on water-circulation pipe
End is stretched out recovery well (15) upper end sealing wellhead and is connected with groundwater heat pump (18), and groundwater heat pump (18) is followed by water
Endless tube line is connected with inverted well (16) upper end sealing wellhead inner side, and the one end of gas pipeloop II extend into quiet in inverted well (16)
Below water level, connecting valve V (9) and valve VI (10) on the gas pipeloop II on the outside of the sealing wellhead of inverted well (16) upper end,
The other end of gas pipeloop II is connected with inverted well (16) upper end sealing wellhead inner side, on valve VI (10) and inverted well (16)
Gas pipeloop II between the sealing wellhead of end is connected with the discharge line for being connected with valve VII (11), valve V (9) and valve
Gas pipeloop II between door VI (10) is connected with pipeloop, and the pipeloop other end is connected with air accumulator (14),
Stop valve II (3), pressure gauge and valve I (4) are sequentially connected with pipeloop, ball-cock assembly (2) two ends are connected respectively by pipeline
Be connected on the pipeloop at the two ends of stop valve II (3), the two ends of stop valve I (1) be connected on ball-cock assembly (2) by pipeline and
On the pipeloop of the lower end of stop valve II (3), air accumulator (14) is connected with the pipeline for being connected with safety valve (5), air accumulator
(14) bottom is connected with the blast pipe for being connected with valve IV (8)；
2nd, valve I (4), valve III (7) are closed, opens valve II (6), valve IV (8), nitrogen cylinder switch is opened, to air accumulator
(14) inflation, replaces the air in air accumulator (14) with nitrogen in, is then shut off valve IV (8), continues to air accumulator
(14) inflation in, until the interior pressure of air accumulator (14) reaches and close after 0.3~0.5MPa nitrogen cylinder, closes valve II (6)；
3rd, valve VIII (12), valve Ⅸ (13), valve III (7) are opened, the interior air pressure of air accumulator (14) is higher than in recovery well (15)
Air pressure, the nitrogen in air accumulator (14) is entered in recovery well (15), until the interior hydrostatic level air above nitrogen of recovery well (15)
After gas is replaced, valve VIII (12) is closed；
4th, valve VI (10) is closed, opens valve VII (11), valve V (9), stop valve I (1), ball-cock assembly (2), stop valve II
(3), valve I (4), the interior air pressure of air accumulator (14) is entered back higher than the air pressure in inverted well (16), the nitrogen in air accumulator (14)
Fill in well (16), the air more than the interior hydrostatic level of inverted well (16) is replaced with nitrogen, close valve VII (11), valve
V (9), open valve VI (10)；
5th, when groundwater heat pump (18) runs, interior immersible pump (17) power switch of recovery well (15) is opened, immersible pump (17) is taken out
After water, the interior water level decreasing of recovery well (15), the interior nitrogen of air accumulator (14) is under pressure to recovery well (15) tonifying Qi；
6th, the water that immersible pump (17) is extracted out after groundwater heat pump (18) puies forward heat recharge to time tank well (16), inverted well
(16) water level rises in, and nitrogen is returned under pressure in air accumulator (14), when water level rises to well head in inverted well (16)
Afterwards, simultaneously to air accumulator (14) flowing, nitrogen can enter air accumulator (14) when ball-cock assembly (2), and water is by ball float for water, gas
Valve (2) is prevented.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194140.2A CN106677262A (en) | 2016-12-21 | 2016-12-21 | Method for artificially sealing and recharging geothermal water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611194140.2A CN106677262A (en) | 2016-12-21 | 2016-12-21 | Method for artificially sealing and recharging geothermal water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106677262A true CN106677262A (en) | 2017-05-17 |
Family
ID=58871326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611194140.2A Pending CN106677262A (en) | 2016-12-21 | 2016-12-21 | Method for artificially sealing and recharging geothermal water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106677262A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676997A (en) * | 2017-11-03 | 2018-02-09 | 北京泰利新能源科技发展有限公司 | A kind of geothermal well backflow device |
| CN112413914A (en) * | 2020-11-25 | 2021-02-26 | 河北绿源地热能开发有限公司 | Negative-pressure-free geothermal recharging system and recharging method |
| CN114263241A (en) * | 2022-02-08 | 2022-04-01 | 核工业北京化工冶金研究院 | Negative pressure eliminating device in reinjection water well |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758111A (en) * | 2014-01-26 | 2014-04-30 | 丰电阳光(北京)清洁能源技术有限公司 | Fully-sealed underground raw water continuous pumping and injecting system |
| CN203833742U (en) * | 2014-05-21 | 2014-09-17 | 天津地热勘查开发设计院 | Water treatment device in surface water recharge system |
-
2016
- 2016-12-21 CN CN201611194140.2A patent/CN106677262A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758111A (en) * | 2014-01-26 | 2014-04-30 | 丰电阳光(北京)清洁能源技术有限公司 | Fully-sealed underground raw water continuous pumping and injecting system |
| CN203833742U (en) * | 2014-05-21 | 2014-09-17 | 天津地热勘查开发设计院 | Water treatment device in surface water recharge system |
Non-Patent Citations (2)
| Title |
|---|
| 刘明言等: "地热能利用中的防腐防垢研究进展", 《化工进展》 * |
| 邬小波: "地下含水层储能和地下水源热泵系统中地下水回路与回灌技术现状", 《暖通空调》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676997A (en) * | 2017-11-03 | 2018-02-09 | 北京泰利新能源科技发展有限公司 | A kind of geothermal well backflow device |
| CN107676997B (en) * | 2017-11-03 | 2023-09-26 | 北京泰利新能源科技发展有限公司 | Geothermal well recharging device |
| CN112413914A (en) * | 2020-11-25 | 2021-02-26 | 河北绿源地热能开发有限公司 | Negative-pressure-free geothermal recharging system and recharging method |
| CN114263241A (en) * | 2022-02-08 | 2022-04-01 | 核工业北京化工冶金研究院 | Negative pressure eliminating device in reinjection water well |
| CN114263241B (en) * | 2022-02-08 | 2023-10-03 | 核工业北京化工冶金研究院 | Negative pressure eliminator in recharging well |
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Application publication date: 20170517 |
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| RJ01 | Rejection of invention patent application after publication |