CN102809187A - Geothermal energy-driving heat recovery system - Google Patents
Geothermal energy-driving heat recovery system Download PDFInfo
- Publication number
- CN102809187A CN102809187A CN2012102888738A CN201210288873A CN102809187A CN 102809187 A CN102809187 A CN 102809187A CN 2012102888738 A CN2012102888738 A CN 2012102888738A CN 201210288873 A CN201210288873 A CN 201210288873A CN 102809187 A CN102809187 A CN 102809187A
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- heat
- heat exchanger
- pump
- recovery system
- circulating 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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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 invention provides a geothermal energy-driving heat recovery system which comprises a geothermal energy exploitation well, a desander, a flowmeter, a absorption heat pump, heating equipment, a geothermal energy recharge well and recharge treatment facilities, and further comprises a first heat exchanger, a second heat exchanger, a first circulating pump, a second circulating pump, a pressure gauge and a thermometer, wherein valves are respectively arranged at the two ends of the first circulating pump and the second circulating pump; and a temperature transmitter and a pressure transmitter are arranged at the outlet end of the geothermal energy exploitation well. The heat recovery system has the benefits that the heat of the used geothermal water with reduced temperature can be further utilized so as to greatly improve the utilization rate of the geothermal energy, and meanwhile, other energy is not consumed. Therefore, the heat recovery system has a more realistic significance for areas with abundant geothermal energy.
Description
Technical field
The invention belongs to the geothermal heating application, especially relate to a kind of underground heat from driving heat recovery system.
Background technology
In existing geothermal energy resources utilization technology, the leaving water temperature of normally used some geothermal well can just can meet the demands for 45 ℃ and when being used for building and heating, reach supply water temperature up to 95 ℃ even higher.Common way is 95 ℃ GEOTHERMAL WATER heat exchange to be become 45 ℃ heating water and heat provision, and the GEOTHERMAL WATER of lower temperature can cascade utilization or is adjusted to the thermal source of the low slightly water temperature of temperature as compression heat pump, comes further to reduce the temperature of self, recharges then.Said process need consume other energy, and is insufficient to utilizing of underground heat heat.
Summary of the invention
The problem that the present invention will solve provides a kind of underground heat from driving heat recovery system, is particluarly suitable for the geothermal well leaving water temperature and in 90 ℃ and above underground heat low temperature heating, uses.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of underground heat comprises the underground heat recovery well from driving heat recovery system; Desander, flowmeter, absorption heat pump; Heating equipment, the geothermal reinjection well with recharge treatment facility, it is characterized in that: said system also comprises first heat exchanger; Second heat exchanger, first circulating pump and second circulating pump; The heat source water port of export of said underground heat recovery well is connected with the high temperature side arrival end of said first heat exchanger; The low temperature side port of export order of said first heat exchanger is connected with the low temperature side arrival end of said first heat exchanger with said first circulating pump through said absorption heat pump; The high temperature side port of export of said first heat exchanger is connected with the high temperature side arrival end of said second heat exchanger, and the high temperature side port of export of said second heat exchanger recharges treatment facility and geothermal reinjection well arrival end is connected through said absorption heat pump with said; The low temperature side arrival end of said second heat exchanger is connected with the heating water out end of said heating equipment; The low temperature side port of export of said second heat exchanger is connected with the heating water inlet end of said heating equipment through said second circulating pump; The heat medium water arrival end of said absorption heat pump is connected with the heating water out end of said heating equipment, and the heat medium water port of export of said absorption heat pump is connected with the heating water inlet end of said heating equipment.
Further, the heat source water port of export of said underground heat recovery well is provided with valve; The two ends of said first circulating pump are provided with valve; The two ends of said second circulating pump are provided with valve; Said geothermal reinjection well heat source water arrival end is provided with valve.
Further, be provided with Pressure gauge and thermometer (or pressure transmitter and temperature transmitter) between outlet of the heat source water of said underground heat recovery well and said first heat exchanger; The said first outlet of circulating pump end is provided with Pressure gauge; The said second outlet of circulating pump end is provided with Pressure gauge.
Further, pipeline is provided with thermometer between second heat exchanger and the absorption heat pump; Pipeline is provided with thermometer between said absorption heat pump and the geothermal reinjection well; Pipeline is provided with thermometer between said heating equipment and the absorption heat pump; Pipeline is provided with and recharges treatment facility between said absorption heat pump and the geothermal reinjection well.
Advantage and good effect that the present invention has are: owing to adopt technique scheme; Utilization itself is than the GEOTHERMAL WATER of the higher temperature power heat source as absorption heat pump; Can further reduce the temperature of the lower GEOTHERMAL WATER of temperature after being utilized; Thereby improve the utilization rate of geothermal energy greatly, do not consume other energy, have more realistic meanings for the abundant but zone of power tense of geothermal energy.
Description of drawings
Fig. 1 is that underground heat of the present invention is from driving the heat recovery system sketch map
Among the figure:
1, underground heat recovery well 2, desander 3, flowmeter
4, first heat exchanger 5, absorption heat pump 6, first circulating pump
7, second heat exchanger 8, geothermal reinjection well 9, second circulating pump
10, heating equipment 11, recharge treatment facility
The specific embodiment
As shown in Figure 1, the present invention comprises underground heat recovery well 1, desander 2 for a kind of underground heat drives heat recovery system certainly; Flowmeter 3, absorption heat pump 5, geothermal reinjection well 8 and heating equipment 10; Said system also comprises first heat exchanger 4, the second heat exchangers, 7, the first circulating pumps 6 and second circulating pump 9; Said system also comprises recharges treatment facility 11, Pressure gauge, thermometer.The heat source water port of export of said underground heat recovery well 1 is connected with the high temperature side arrival end of said first heat exchanger 4; The low temperature side port of export order of said first heat exchanger 4 is connected with the low temperature side arrival end of said first heat exchanger 4 with said first circulating pump 6 through said absorption heat pump 5; The high temperature side port of export of said first heat exchanger 4 is connected with the high temperature side arrival end of said second heat exchanger 7; The high temperature side port of export of said second heat exchanger 7 through said absorption heat pump 5 with recharge treatment facility 11 and be connected with said geothermal reinjection well 8 heat source water arrival ends; The low temperature side arrival end of said second heat exchanger 7 is connected with the heating water out end of said heating equipment 10; The low temperature side port of export of said second heat exchanger 7 is connected with the heating water inlet end of said heating equipment 10 through said second circulating pump 9; The heat medium water arrival end of said absorption heat pump 5 is connected with the heating water out end of said heating equipment 10, and the heat medium water port of export of said absorption heat pump 5 is connected with the heating water inlet end of said heating equipment 10.
The heat source water port of export of said underground heat recovery well 1 is provided with valve; The two ends of said first circulating pump 6 are provided with valve; The two ends of said second circulating pump 9 are provided with valve; Said geothermal reinjection well 8 heat source water arrival ends are provided with valve.Each instrument, equipment are imported and exported the controlled controlling flow amount of valve of installing, and guarantee the stability of whole circulation.
The heat source water of said underground heat recovery well 1 exports and is provided with Pressure gauge and thermometer (or pressure sensor and temperature sensor) between said first heat exchanger 4; The port of export of said first circulating pump 6 is provided with Pressure gauge; The port of export of said second circulating pump 9 is provided with Pressure gauge.Pipeline is provided with thermometer between said second heat exchanger 7 and the absorption heat pump 5; Pipeline is provided with thermometer between said absorption heat pump 5 and the geothermal reinjection well 8; Pipeline is provided with thermometer between said heating equipment 10 and the absorption heat pump 5; Pipeline is provided with and recharges treatment facility 11 between said absorption heat pump 5 and the geothermal reinjection well 8.Pressure gauge and thermometer are realized the monitoring to working fluid in the system, guarantee security and stability.
Said underground heat recovery well 1 port of export is provided with temperature transmitter and pressure transmitter, can further realize the effective monitoring to working fluid in the system.
The course of work of this instance: the circulatory mediator in the system comprises that as the high temperature circulation water of absorption heat pump driving heat source, the refrigerant of absorption heat pump can be lithium bromide from the GEOTHERMAL WATER of underground mining and heat medium water (being the heating recirculated water of system).
The cyclic process of GEOTHERMAL WATER in the system:
High-temperature geothermal water from recovery well, pumps after valve adjustment flow, silt in the water outlet of desander coarse filtration, the flow that requires in the flowmeter Adjustment System (about 80t/h) back gets into first heat exchanger, this moment temperature be about 90 ℃ reach more than.GEOTHERMAL WATER is carried out the heat exchange first time as thermal source at first heat exchanger, and the circulating water temperature of low temperature side is about about 85 ℃ after the heat exchange, and flow is about 70t/h.The first heat exchanger low temperature side recirculated water gets into absorption heat pump as the high temperature driven thermal source afterwards, and the temperature when leaving absorption heat pump is about 70 ℃.Subsequently, low temperature side recirculated water is proceeded heat exchange through getting into first heat exchanger after the adjusting of valve, and the heat source water temperature recovery after the heat exchange is to about 85 ℃.GEOTHERMAL WATER gets into second heat exchanger high temperature side inlet, carries out the heat exchange second time as thermal source, and the temperature after the heat exchange is about about 37 ℃, and flow is about 80t/h.The GEOTHERMAL WATER that leaves waste heat at last is through absorption heat pump, as the remaining hot water heat exchange for the third time of absorption heat pump, leave absorption heat pump after temperature reduce to 20 ℃, go into underground completion and circulate through recharging treatment facility and geothermal reinjection well array at last.The circulation of absorption heat pump high temperature driven thermal source drives and is realized by first circulating pump.
The cyclic process of heat medium water in the system:
The circulating path of heat medium water comprises two branch roads.A branch road is the heating backwater warp second heat exchanger heat exchange of flowing out from heating equipment, and temperature rises to about 45 ℃ by about 35 ℃; Another branch road be the heating backwater that flows out from heating equipment through the absorption heat pump heat exchange, temperature rises to about 45 ℃ by about 35 ℃, two branch roads merge the back and get into heating equipment building is carried out heating.The driving of whole circulation is realized by second circulating pump.
The systems technology of system of the present invention for being the basis with the lithium bromide absorption type heat pump principle.It is to be driving heat source with middle high-temperature geothermal water; Lithium-bromide solution is an absorbent, and water is cold-producing medium, recycle low temperature geothermal water behind cascade utilization heat energy; Produce needed technology or heating and use high-temperature-hot-water, realize becoming low-temperature transformation the equipment of high temperature heat.Heat pump is by critical piece and air extractors such as generator, condenser, evaporimeter, absorber and heat exchangers, and canned motor pump slave parts such as (solution pump and cryogenic fluid pumps) is formed.Air extractor extracts the incoagulable gas in the heat pump, and keeps being in high vacuum state in the heat pump always.
More than one embodiment of the present of invention are specified, but said content is merely preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to application range of the present invention change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (7)
1. a underground heat comprises the underground heat recovery well, desander, flowmeter from driving heat recovery system; Absorption heat pump, heating equipment, the geothermal reinjection well with recharge treatment facility; It is characterized in that: said system also comprises first heat exchanger, second heat exchanger, first circulating pump and second circulating pump; The heat source water port of export of said underground heat recovery well is connected with the high temperature side arrival end of said first heat exchanger; The low temperature side port of export order of said first heat exchanger is connected with the low temperature side arrival end of said first heat exchanger with said first circulating pump through said absorption heat pump; The high temperature side port of export of said first heat exchanger is connected with the high temperature side arrival end of said second heat exchanger, and the high temperature side port of export of said second heat exchanger recharges treatment facility and geothermal reinjection well arrival end is connected through said absorption heat pump with said; The low temperature side arrival end of said second heat exchanger is connected with the heating water out end of said heating equipment; The low temperature side port of export of said second heat exchanger is connected with the heating water inlet end of said heating equipment through said second circulating pump; The heat medium water arrival end of said absorption heat pump is connected with the heating water out end of said heating equipment, and the heat medium water port of export of said absorption heat pump is connected with the heating water inlet end of said heating equipment.
2. underground heat according to claim 1 is from driving heat recovery system, and it is characterized in that: the heat source water port of export of said underground heat recovery well is provided with valve.
3. underground heat according to claim 1 is from driving heat recovery system, and it is characterized in that: the two ends of said first circulating pump are provided with valve.
4. underground heat according to claim 1 is from driving heat recovery system, and it is characterized in that: the two ends of said second circulating pump are provided with valve.
5. underground heat according to claim 1 is from driving heat recovery system, and it is characterized in that: said geothermal reinjection well heat source water arrival end is provided with valve.
6. underground heat according to claim 1 is characterized in that from driving heat recovery system: be provided with temperature transmitter and pressure transmitter between the said geothermal well outlet and first heat exchanger.
7. underground heat according to claim 1 is from driving heat recovery system, and it is characterized in that: pipeline is provided with and recharges treatment facility between said absorption heat pump and the geothermal reinjection well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102888738A CN102809187A (en) | 2012-08-14 | 2012-08-14 | Geothermal energy-driving heat recovery system |
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| CN2012102888738A CN102809187A (en) | 2012-08-14 | 2012-08-14 | Geothermal energy-driving heat recovery system |
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| CN102809187A true CN102809187A (en) | 2012-12-05 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980234A (en) * | 2012-12-10 | 2013-03-20 | 安徽日源环保能源科技有限公司 | High-temperature geothermal water series connection heating system and heating method thereof |
| CN108254103A (en) * | 2016-12-29 | 2018-07-06 | 河北绿源地热能开发有限公司 | A kind of geothermal well productivity test device and its test method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08136084A (en) * | 1994-11-07 | 1996-05-31 | Hitachi Zosen Corp | Snow melting device |
| CN2602323Y (en) * | 2002-12-10 | 2004-02-04 | 何满潮 | Geothermal resource step develop and cyclic utilization system |
| CN2632587Y (en) * | 2003-07-18 | 2004-08-11 | 王全龄 | Geothermal hydrothermal gradient utilizing heating systems |
| CN1587861A (en) * | 2004-09-24 | 2005-03-02 | 天津大学 | Well head system for geothermal tertiary system sandstone recharge |
| GB2431228A (en) * | 2005-11-19 | 2007-04-18 | Matthew Lee | Heating system for hot water and space heating comprising a solar panel and a fuel fired boiler |
| CN101126558A (en) * | 2007-09-27 | 2008-02-20 | 成都建工建筑节能科技有限公司 | Groundwater recharge method |
| CN201218630Y (en) * | 2008-05-19 | 2009-04-08 | 张茂勇 | Low-temperature heat source-driven absorption type ground heat pump system |
| CN101832685A (en) * | 2010-04-21 | 2010-09-15 | 清华大学 | Afterburning-type heat exchange unit taking high-temperature hot water as driving heat source |
| CN202709253U (en) * | 2012-08-14 | 2013-01-30 | 天津热建机电工程有限公司 | Geothermal self-driven heat recovery system |
-
2012
- 2012-08-14 CN CN2012102888738A patent/CN102809187A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08136084A (en) * | 1994-11-07 | 1996-05-31 | Hitachi Zosen Corp | Snow melting device |
| CN2602323Y (en) * | 2002-12-10 | 2004-02-04 | 何满潮 | Geothermal resource step develop and cyclic utilization system |
| CN2632587Y (en) * | 2003-07-18 | 2004-08-11 | 王全龄 | Geothermal hydrothermal gradient utilizing heating systems |
| CN1587861A (en) * | 2004-09-24 | 2005-03-02 | 天津大学 | Well head system for geothermal tertiary system sandstone recharge |
| GB2431228A (en) * | 2005-11-19 | 2007-04-18 | Matthew Lee | Heating system for hot water and space heating comprising a solar panel and a fuel fired boiler |
| CN101126558A (en) * | 2007-09-27 | 2008-02-20 | 成都建工建筑节能科技有限公司 | Groundwater recharge method |
| CN201218630Y (en) * | 2008-05-19 | 2009-04-08 | 张茂勇 | Low-temperature heat source-driven absorption type ground heat pump system |
| CN101832685A (en) * | 2010-04-21 | 2010-09-15 | 清华大学 | Afterburning-type heat exchange unit taking high-temperature hot water as driving heat source |
| CN202709253U (en) * | 2012-08-14 | 2013-01-30 | 天津热建机电工程有限公司 | Geothermal self-driven heat recovery system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980234A (en) * | 2012-12-10 | 2013-03-20 | 安徽日源环保能源科技有限公司 | High-temperature geothermal water series connection heating system and heating method thereof |
| CN102980234B (en) * | 2012-12-10 | 2014-12-31 | 安徽日源环保能源科技有限公司 | High-temperature geothermal water series connection heating method |
| CN108254103A (en) * | 2016-12-29 | 2018-07-06 | 河北绿源地热能开发有限公司 | A kind of geothermal well productivity test device and its test method |
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Application publication date: 20121205 |