CN107504545B - Comprehensive gradient utilization system for heating and bathing of medium-low temperature geothermal resource - Google Patents
Comprehensive gradient utilization system for heating and bathing of medium-low temperature geothermal resource Download PDFInfo
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- CN107504545B CN107504545B CN201710655079.5A CN201710655079A CN107504545B CN 107504545 B CN107504545 B CN 107504545B CN 201710655079 A CN201710655079 A CN 201710655079A CN 107504545 B CN107504545 B CN 107504545B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 41
- 238000003287 bathing Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 121
- 239000008236 heating water Substances 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000008399 tap water Substances 0.000 claims description 6
- 235000020679 tap water Nutrition 0.000 claims description 6
- 238000005065 mining Methods 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004706 High-density cross-linked polyethylene Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229920004932 high density cross-linked polyethylene Polymers 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/0092—Devices for preventing or removing corrosion, slime or scale
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/11—Geothermal energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a comprehensive gradient utilization system for heating and bathing of medium-low temperature geothermal resources, which comprises a geothermal water closed circulation pipeline, a softened water closed circulation pipeline and a softened circulating water supplementing pipeline. The process system has the advantages of combining multiple utilization modes, cascade utilization, high efficiency, energy saving, improving the heat utilization rate of geothermal resources, prolonging the service life of a radiator, protecting geothermal resources, realizing the recycling of the resources and the like.
Description
Technical Field
The invention belongs to the technical field of geothermal resource utilization, and particularly relates to a comprehensive gradient utilization system for heating and bathing of medium-low temperature geothermal resources.
Background
At present, geothermal resources are widely applied to the fields of power generation, heating, bathing, planting and breeding and the like as green clean energy, the geothermal resources in China mainly comprise medium-low temperature geothermal resources, geothermal utilization mainly comprises heating and bathing, and a heating mode can be divided into floor radiant heating and radiator heating. Therefore, the residential area which combines a plurality of heating modes and has bathing requirements adopts geothermal heating-bathing, and the process of the residential area needs to be analyzed and designed.
At present, geothermal heating and bathing are widely applied, but the utilization mode is single. The utilization mode is as follows:
1. and directly supplying the heat dissipation terminal after extracting the underground hot water. The mineralization degree of geothermal water is higher, and the metal corrosiveness is to a certain extent realized, for example, the radiating terminal is a radiator, and the service life of the radiator is influenced. If the radiating terminal adopts a floor radiation heating mode, the corrosion problem is alleviated or not, but the temperature of a floor radiation heating water source is above 42 ℃, circulating water is required to be continuously added for heating in the mode, so that the temperature of geothermal raw water (directly extracted geothermal water) is reduced.
2. At present, the temperature of tail water (utilized geothermal water) after geothermal heating is about 30 ℃, the discharge temperature is higher, and the tail water is directly discharged, so that the waste of hydrothermal resources is serious.
3. The geothermal water is generally used for bathing after simple water quality deironing treatment, and cold water is needed to be added when the temperature is too high.
The heating bath utilization has the problems of single geothermal utilization form, overhigh tail water discharge temperature, low heat utilization rate, resource waste, high maintenance cost, short equipment service life and the like.
Disclosure of Invention
Aiming at the problems, the comprehensive gradient utilization system for heating and bathing of the medium-low temperature geothermal resources is provided for further improving the heat utilization rate of the medium-low temperature geothermal resources, reducing the water temperature of the discharged water and forming a comprehensive gradient utilization mode according to the water quality of the geothermal water and the water temperature requirements of different utilization modes, and the geothermal water of the system can be used for heating radiators and simultaneously used for floor radiant heating and bathing.
The invention is realized by the following technical scheme, and provides a comprehensive cascade utilization system for heating and bathing of medium-low temperature geothermal resources, which comprises a geothermal water closed circulation pipeline and a softened water closed circulation pipeline;
in the geothermal water closed circulation pipeline, a mining well is communicated with a primary heat exchanger through a sand remover, the primary heat exchanger is communicated with a water separator, the water separator is divided into two branches, the first branch is communicated with a bath water storage tank through an aeration device, and the second branch directly enters a floor radiant heating water supply pipeline and a floor radiant heating water return pipeline and then is filled into a geothermal recharging well through a secondary heat exchanger;
the softening closed circulation pipeline is divided into two closed pipelines, and the first closed circulation pipeline consists of a primary heat exchanger, a condenser of a heat pump unit, a radiator heating water supply pipeline and a radiator heating return pipeline: the first-stage heat exchanger water inlet pipe and the condenser water inlet pipe are both communicated with a radiator heating water return pipeline, and the first-stage heat exchanger water outlet pipe and the condenser water outlet pipe are both communicated with a radiator heating water supply pipeline; the second closed circulation pipeline is that a water outlet pipe of the second-stage heat exchanger is communicated with a water inlet pipe of an evaporator of the heat pump unit, and the water inlet pipe of the second-stage heat exchanger is communicated with the water outlet pipe of the evaporator of the heat pump unit.
Preferably, the system further comprises a softening circulating water replenishing pipeline, wherein the softening circulating water replenishing pipeline comprises: the softening water tank communicated with the tap water supply pipeline is respectively communicated with the water inlet pipes of the primary heat exchanger, the secondary heat exchanger and the condenser of the heat pump unit.
Preferably, a plurality of sand removers are provided between the production well and the primary heat exchanger.
Preferably, a filtering device is arranged on a pipeline of the secondary heat exchanger communicated with the geothermal recharging well.
Preferably, a de-ironing pot is arranged between the aeration device and the bath water storage tank.
The geothermal water in the geothermal water closed circulation pipeline is extracted from a exploitation well through a water pump, then is desandized through a desanding device, then enters a primary heat exchanger, the heat released after heat exchange is reduced to a temperature of more than 42 ℃, enters a water separator, and is divided into two branches, wherein the first branch is a bathing branch and mainly passes through an aeration device and an iron removal tank, then enters a bathing water storage tank, the second branch directly enters a floor radiant heating water supply pipeline and a floor radiant heating water return pipeline, the geothermal water temperature after heat supply is about 30 ℃, the heat released through a secondary heat exchanger, and finally, the low-temperature geothermal tail water is filled into a geothermal recharging well after passing through filtering equipment.
After the softened water in the softened water closed circulation pipeline exchanges heat through the primary heat exchanger, the heat of the geothermal water is absorbed through the heat exchanger, the warmed water is sent into a heating water supply pipeline of a radiator, and the warmed water enters the primary heat exchanger again for circulation to exchange heat after the warmed water is warmed and released; the second-stage heat exchanger is similar to the first-stage heat exchanger, and exchanges heat with low-temperature softened water at the side of the heat pump unit to absorb heat, and the heat enters the heat pump unit after the temperature is raised, and then the heat pump unit is used as a supplementary heat source for heating of the heating radiator after the temperature is raised and peak regulation (the heat is converted and the temperature is raised again).
Tap water in the softened circulating water supplementing pipeline enters the softened water tank after being softened, and the softened circulating water of the radiator, which is subjected to heat exchange twice and supplemented with a Wen Diaofeng supplementing heat source, is supplemented.
The beneficial effects of the invention are as follows:
1. the heat exchanger is adopted, so that corrosion of geothermal water to the tail-end radiator is effectively avoided.
2. The step comprehensive utilization mode is adopted, the water temperature after primary heat exchange is above 42 ℃, one part is used for floor radiant heating, and the other part is used for bathing; because the floor heating pipes for floor radiant heating are mostly made of high-density crosslinked polyethylene pipes, the floor heating water is not corrosive, and direct heating can be adopted; the bath is subjected to iron removal treatment.
3. Compared with floor radiant heating, the radiator has poor heating stability and is greatly influenced by outdoor temperature, and the radiator can supplement heat through secondary heat exchange in the presence of relative coldness.
4. And the heat pump technology is utilized to extract heat, so that the heat utilization rate is improved, and the geothermal tail water discharge temperature is reduced.
5. And the heating tail water is refilled into the well through the filtering equipment, so that sustainable development and utilization of geothermal energy are realized.
In conclusion, the process system has the advantages of combining multiple utilization modes, cascade utilization, high efficiency, energy saving, improving the heat utilization rate of geothermal resources, prolonging the service life of a radiator, protecting geothermal resources, realizing resource recycling and the like.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a comprehensive cascade utilization system for heating and bathing of a medium and low temperature geothermal resource; in the figure, 1, a production well; 2. a desanding device; 3. an iron removing tank; 4. an aeration device; 5. a water separator; 6. a primary heat exchanger; 7. radiator heating return water pipeline; 8. a radiator heating water supply pipeline; 9. water supply for bath; 10. a water storage tank for bath; 11. floor radiant heating water supply pipeline; 12. floor radiant heating return water pipe; 13. a filtering device; 14. geothermal recharging well; 15. a tap water supply pipe; 16. softening the water tank; 17. a secondary heat exchanger; 18. an evaporator; 19. and a condenser.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The principles of the invention will be further described with reference to the drawings and specific examples.
Embodiment 1, as shown in fig. 1, a comprehensive cascade utilization system for heating and bathing of geothermal resources at medium and low temperatures comprises a geothermal water closed circulation pipeline and a softened water closed circulation pipeline;
in the geothermal water closed circulation pipeline, a exploitation well 1 is communicated with a primary heat exchanger 6 through a sand remover 2, the primary heat exchanger 6 is communicated with a water separator 5, the water separator 5 is divided into two branches, a first branch is communicated with a bath water storage tank 10 through an aeration device 4, and a second branch directly enters a floor radiant heating water supply pipeline 11 and a floor radiant heating return pipeline 12 and then is filled into a geothermal recharging well 14 through a secondary heat exchanger 17;
the softening closed circulation pipeline is divided into two closed pipelines, and the first closed circulation pipeline consists of a primary heat exchanger 6, a condenser 19 of a heat pump unit, a radiator heating water supply pipeline 8 and a radiator heating water return pipeline 7: the water inlet pipe of the primary heat exchanger 6 and the water inlet pipe of the condenser 19 are both communicated with the radiator heating water return pipe 7, and the water outlet pipe of the primary heat exchanger 6 and the water outlet pipe of the condenser 19 are both communicated with the radiator heating water supply pipe 8; the second closed circulation pipeline is that a water outlet pipe of the second-stage heat exchanger 17 is communicated with a water inlet pipe of an evaporator 18 of the heat pump unit, and a water inlet pipe of the second-stage heat exchanger 17 is communicated with a water outlet pipe of the evaporator 18 of the heat pump unit.
A plurality of sand separators 2 are arranged between the production well 1 and the primary heat exchanger 6.
A filtering device 13 is arranged on a pipeline of the secondary heat exchanger 17 communicated with the geothermal recharging well 14.
An iron removing tank 3 is arranged between the aeration device 4 and the bath water storage tank 10.
The geothermal water in the geothermal water closed circulation pipeline is extracted from the exploitation well 1 by a water pump, then is desanded by a desander 2, then enters a primary heat exchanger 6, releases heat after heat exchange, has a temperature of which is reduced by more than 42 ℃, enters a water separator 5, is divided into two branches, wherein the first branch is a bathing branch and mainly passes through an aeration device 4 and an iron removal tank 3, then enters a bathing water storage tank 10, the second branch directly enters a floor radiant heating water supply pipeline 11 and a floor radiant heating return pipeline 12, the geothermal water temperature after heat supply is about 30 ℃, releases heat by a secondary heat exchanger 17, and finally, low-temperature geothermal tail water is filled into a geothermal recharging well 14 after passing through a filtering device 13.
After the softened water in the softened water closed circulation pipeline exchanges heat through the primary heat exchanger 6, the heat of the geothermal water is absorbed through the heat exchanger, the warmed water is sent into the heating water supply pipeline 8 of the radiator, and the warmed water enters the primary heat exchanger 6 again for circulation and heat exchange after the warmed water is warmed and released; the second-stage heat exchanger 17 is similar to the first-stage heat exchanger, exchanges heat with low-temperature softened water at the side of the heat pump unit, absorbs heat, and enters the heat pump unit after the temperature is raised, and then the heat pump unit is used as a supplementary heat source for heating by the heating radiator after the temperature is raised and peak regulation (heat conversion and temperature is raised again).
Tap water in the softened circulating water supplementing pipeline enters the softened water tank 16 after being softened, and the softened circulating water of the radiator, which is subjected to heat exchange twice and supplemented with a Wen Diaofeng supplementing heat source, is supplemented.
Embodiment 2, as shown in fig. 1, is different from embodiment 1 in that it further includes a softening circulating water replenishment line that: the softening water tank 16 communicated with the tap water supply pipeline 15 is respectively communicated with the water inlet pipes of the primary heat exchanger 6, the secondary heat exchanger 17 and the condenser 19 of the heat pump unit.
Of course, the above description is not limited to the above examples, and the technical features of the present invention that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present invention and not for limiting the same, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present invention and the scope of the appended claims.
Claims (3)
1. A comprehensive gradient utilization system for heating and bathing of medium-low temperature geothermal resources is characterized in that: comprises a geothermal water closed circulation pipeline and a softened water closed circulation pipeline;
in the geothermal water closed circulation pipeline, a mining well (1) is communicated with a primary heat exchanger (6) through a sand remover (2), the primary heat exchanger (6) is communicated with a water separator (5), the water separator (5) is divided into two branches, a first branch is communicated with a bath water storage tank (10) through an aeration device (4), and a second branch directly enters a floor radiant heating water supply pipeline (11) and a floor radiant heating water return pipeline (12) and then is filled into a geothermal recharging well (14) through a secondary heat exchanger (17);
the softening closed circulation pipeline is divided into two closed pipelines, and the first closed circulation pipeline consists of a primary heat exchanger (6), a condenser (19) of a heat pump unit, a radiator heating water supply pipeline (8) and a radiator heating return pipeline (7): the water inlet pipe of the primary heat exchanger (6) and the water inlet pipe of the condenser (19) are both communicated with the radiator heating water return pipe (7), and the water outlet pipe of the primary heat exchanger (6) and the water outlet pipe of the condenser (19) are both communicated with the radiator heating water supply pipe (8); the second closed circulation pipeline is that a water outlet pipe of the second-stage heat exchanger (17) is communicated with a water inlet pipe of an evaporator (18) of the heat pump unit, and a water inlet pipe of the second-stage heat exchanger (17) is communicated with a water outlet pipe of the evaporator (18) of the heat pump unit;
still include softening circulating water make-up line, softening circulating water make-up line: a softening water tank (16) communicated with a tap water supply pipeline (15) is respectively communicated with a water inlet pipe of the primary heat exchanger (6), the secondary heat exchanger (17) and a condenser (19) of the heat pump unit;
a plurality of sand removers (2) are arranged between the exploitation well (1) and the primary heat exchanger (6).
2. The comprehensive gradient utilization system for heating and bathing of medium and low temperature geothermal resources according to claim 1, wherein the comprehensive gradient utilization system is characterized in that: and a filtering device (13) is arranged on a pipeline of the secondary heat exchanger (17) communicated with the geothermal recharging well (14).
3. The comprehensive gradient utilization system for heating and bathing of medium and low temperature geothermal resources according to claim 1, wherein the comprehensive gradient utilization system is characterized in that: an iron removing tank (3) is arranged between the aeration device (4) and the bath water storage tank (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710655079.5A CN107504545B (en) | 2017-08-03 | 2017-08-03 | Comprehensive gradient utilization system for heating and bathing of medium-low temperature geothermal resource |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710655079.5A CN107504545B (en) | 2017-08-03 | 2017-08-03 | Comprehensive gradient utilization system for heating and bathing of medium-low temperature geothermal resource |
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| CN107504545A CN107504545A (en) | 2017-12-22 |
| CN107504545B true CN107504545B (en) | 2024-02-13 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2602323Y (en) * | 2002-12-10 | 2004-02-04 | 何满潮 | Geothermal resource step develop and cyclic utilization system |
| KR20110104579A (en) * | 2010-03-17 | 2011-09-23 | (주) 삼영이엔지 | Cascaded geothermal heat pump system |
| CN102679433A (en) * | 2012-05-23 | 2012-09-19 | 烟台蓝德空调工业有限责任公司 | Combined heating system capable of utilizing geothermal water and water source heat pump in stage mode |
| CN102901141A (en) * | 2012-10-18 | 2013-01-30 | 沈阳创达技术交易市场有限公司 | Geothermal gradient heat supply unit device system |
| CN203083198U (en) * | 2012-12-20 | 2013-07-24 | 中国航天建设集团有限公司 | Building heat supply comprehensive application system |
| CN203249304U (en) * | 2013-04-22 | 2013-10-23 | 福州斯狄渢电热水器有限公司 | Geothermal source heating supply system capable of being remotely controlled |
| CN105135722A (en) * | 2015-08-21 | 2015-12-09 | 天津大学 | Energy supply device and method for power generation, refrigeration and heating of buildings through medium-and-low temperature geothermal water |
| WO2016182433A1 (en) * | 2015-05-08 | 2016-11-17 | Jenkies B.V. | Device for collecting geothermal heat |
| WO2017078349A1 (en) * | 2015-11-05 | 2017-05-11 | 주식회사 제이앤지 | Two-stage heating-type geothermal system using geothermal energy |
| CN207146487U (en) * | 2017-08-03 | 2018-03-27 | 山东省地质矿产勘查开发局第二水文地质工程地质大队 | Heating and bathing comprehensive cascade utilization mode for medium-low temperature geothermal resources |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9341086B2 (en) * | 2011-07-25 | 2016-05-17 | Ormat Technologies, Inc. | Cascaded power plant using low and medium temperature source fluid |
-
2017
- 2017-08-03 CN CN201710655079.5A patent/CN107504545B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2602323Y (en) * | 2002-12-10 | 2004-02-04 | 何满潮 | Geothermal resource step develop and cyclic utilization system |
| KR20110104579A (en) * | 2010-03-17 | 2011-09-23 | (주) 삼영이엔지 | Cascaded geothermal heat pump system |
| CN102679433A (en) * | 2012-05-23 | 2012-09-19 | 烟台蓝德空调工业有限责任公司 | Combined heating system capable of utilizing geothermal water and water source heat pump in stage mode |
| CN102901141A (en) * | 2012-10-18 | 2013-01-30 | 沈阳创达技术交易市场有限公司 | Geothermal gradient heat supply unit device system |
| CN203083198U (en) * | 2012-12-20 | 2013-07-24 | 中国航天建设集团有限公司 | Building heat supply comprehensive application system |
| CN203249304U (en) * | 2013-04-22 | 2013-10-23 | 福州斯狄渢电热水器有限公司 | Geothermal source heating supply system capable of being remotely controlled |
| WO2016182433A1 (en) * | 2015-05-08 | 2016-11-17 | Jenkies B.V. | Device for collecting geothermal heat |
| CN105135722A (en) * | 2015-08-21 | 2015-12-09 | 天津大学 | Energy supply device and method for power generation, refrigeration and heating of buildings through medium-and-low temperature geothermal water |
| WO2017078349A1 (en) * | 2015-11-05 | 2017-05-11 | 주식회사 제이앤지 | Two-stage heating-type geothermal system using geothermal energy |
| CN207146487U (en) * | 2017-08-03 | 2018-03-27 | 山东省地质矿产勘查开发局第二水文地质工程地质大队 | Heating and bathing comprehensive cascade utilization mode for medium-low temperature geothermal resources |
Non-Patent Citations (1)
| Title |
|---|
| 河北省平原地热资源利用模式研究;赵忠义;赵阳;;节能(第Z1期);全文 * |
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