KR20110002375A - Subterranean heat of heat pump system use well pump - Google Patents
Subterranean heat of heat pump system use well pump Download PDFInfo
- Publication number
- KR20110002375A KR20110002375A KR1020090059949A KR20090059949A KR20110002375A KR 20110002375 A KR20110002375 A KR 20110002375A KR 1020090059949 A KR1020090059949 A KR 1020090059949A KR 20090059949 A KR20090059949 A KR 20090059949A KR 20110002375 A KR20110002375 A KR 20110002375A
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- South Korea
- Prior art keywords
- heat
- storage tank
- pump device
- water
- heat source
- Prior art date
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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
- F24D15/00—Other domestic- or space-heating systems
- F24D15/04—Other domestic- or space-heating systems using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/002—Compression machines, plants or systems with reversible cycle not otherwise provided for geothermal
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
The present invention relates to a heat source storage type geothermal heat pump system using a cardiac well pump device, and more particularly, by using ground water at a predetermined temperature in a heat source heat storage tank by a cardiac well pump device, through a plurality of geothermal underground heat exchangers. The construction cost and construction period of the underground heat exchanger are reduced by not supplying a heat source, thereby reducing the construction area, and the stable heat source can be supplied through the cardiac pump device, thereby improving the efficiency of the geothermal heat pump system. do.
Geothermal heat pump device, heat storage tank, heat source, cardiac pump device, underground heat exchanger
Description
The present invention relates to a heat source storage type geothermal heat pump system using a cardiac well pump device, and more particularly, by using ground water at a predetermined temperature in a heat source heat storage tank by a cardiac well pump device, through a plurality of geothermal underground heat exchangers. No need to supply a heat source, the construction cost and construction period of the underground heat exchanger is reduced, the construction area is reduced accordingly, it is possible to supply a stable heat source through the cardiac pump device to improve the efficiency of the geothermal heat pump system The present invention relates to a heat source storage type geothermal heat pump system using an apparatus.
In general, home and industrial energy sources used include fossil fuels such as petroleum and natural gas or nuclear fuel, and the use of such energy sources not only causes major pollution of the environment, but also has a limited amount of reserves. As a result, development of alternative energy is actively underway.
In addition, as an energy source used for cooling and heating, fossil fuels such as coal, petroleum, and natural gas are used, or power energy produced using these fossil fuels or nuclear power is mainly used.
However, since fossil fuels have a disadvantage of polluting water quality and the environment due to various pollutants generated in the combustion process, recent development of alternative energy to replace them has been actively conducted.
Among these alternative energies, research on wind power, solar heat, geothermal energy, etc., which have infinite energy sources, and air-conditioning devices using them are used. These energy sources have the advantage of obtaining energy with little effect on air pollution and climate change. On the other hand, the energy density is very low.
In particular, in order to obtain energy using wind and solar heat, a large area must be secured along with the limit of the installation site. These devices have a small energy production capacity per unit and are expensive to install and maintain.
Geothermal energy, which is a member of alternative energy, is used for power generation by using high temperature geothermal deep in the basement, and also applied to air-conditioning system using geothermal heat of 10 ~ 20 ℃, and applied to air-conditioning technology of buildings, etc. In this case, energy savings of up to 40% or more, and energy saving costs of 40 to 70% are known, compared to conventional heating and cooling devices.
The geothermal heat pump system, which is an electric device that uses natural heat storage such as groundwater for the purpose of cooling and heating the building using the geothermal heat, is equipped with an underground heat exchanger, and the heat exchanger releases heat into the ground in summer and heat from the ground in winter. By absorbing the temperature, the cooling and heating performance is not degraded by the geothermal temperature which maintains almost constant temperature at 10 ~ 20 ℃ throughout the year, so stable operation is possible.
Therefore, many air-conditioning and heating devices using geothermal energy, which require relatively low cost for installation and maintenance, are used.
Commonly used geothermal heating and cooling device is composed of a geothermal heat exchanger for recovering the geothermal heat, and a heat pump to move the collected geothermal heat to a necessary place to perform the cooling and heating.
Among them, the geothermal heat exchanger is installed in the form of digging a heat-exchange pipe by digging a bore-hole in a substantially vertical direction after securing a ground with a margin.
Such a geothermal heat exchanger installation is well suited for larger buildings with no rock near the surface or little slope collapse. The installation of such a geothermal heat exchanger excavates a
After the pipe is installed, each bore hole is filled with bentonite or cement, which is an impermeable material, and then grouted. In the grouting process, the borehole is filled with a special material to prevent the ingress of surface water into the aquifer or the infiltration of adjacent aquifers.
However, the geothermal heating and cooling device needs to excavate a lot of bore holes to extract the required heat source, and accordingly, many places require a lot of construction costs and construction periods, and many borehole excavation sites are required. .
SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,
By supplying groundwater with constant temperature to the heat source heat storage tank by the heart pump, it is not necessary to supply the heat source through a number of geothermal underground heat exchangers in the past, thereby reducing the construction cost and construction period of the underground heat exchanger. It is an object of the present invention to provide a heat source storage type geothermal heat pump system using a heart pump which reduces the area.
In addition, the present invention has a further object to provide a heat source storage type geothermal heat pump system using a cardiac pump device that can supply a stable heat source through the cardiac pump device to improve the efficiency of the geothermal heat pump system.
In order to achieve the above object, the present invention and the heart pump pump for transporting the ground water of the predetermined temperature stored in the ground through the cardiac wells by drilling the ground;
The groundwater transferred through the cardiac pump is filled inside, but is introduced through the upper side when heating, and is introduced through the lower side when cooling, and the water filled inside is stratified according to the temperature so that the upper part is high temperature and the lower part is low temperature. A heat source heat storage tank formed of;
The hot water is connected to the inner upper portion of the heat source heat storage tank, and when heated, the high temperature water of the heat source heat storage tank is supplied to the geothermal heat pump device, and during cooling, the hot water returning the hot water heat exchanged from the geothermal heat pump device to the heat source heat storage tank. A transfer pipe;
It is connected to the inner lower side of the heat source heat storage tank, when heating, returning the low-temperature water heat exchanged from the geothermal heat pump device to the heat source heat storage tank, and during cooling the cold water transfer to supply the low temperature water of the heat source heat storage tank to the geothermal heat pump device Tube;
An underground heat exchanger connected by the heat source heat storage tank and the geothermal circulation pipe to perforate the ground to compensate for the insufficient heat source through the heart pump, and heat exchange with the groundwater in the ground;
A geothermal heat pump apparatus for heat-exchanging high and low temperature water and circulating water (high and low temperature water) exchanged at the load side with high and low temperature water transfer pipes connected to the heat source heat storage tank;
The load heat storage tank receives the heat exchanged circulating water and the heat exchanged circulating water from the load side through the geothermal heat pump device, and is filled inside, stratified according to the temperature of the circulated water filled therein, so that the upper side is high temperature and the lower side is low temperature. It relates to a heat source storage type geothermal heat pump system using a cardiac pump device characterized in that it comprises a.
As described above, the heat source storage type geothermal heat pump system using the cardiac well pump device of the present invention uses ground water of a predetermined temperature to the heat source heat storage tank by the cardiac well pump device, thereby providing a plurality of geothermal underground heat exchangers. There is no need to supply a heat source, thereby reducing the construction cost and construction period of the underground heat exchanger, thereby reducing the construction area.
In addition, the present invention can supply a stable heat source through the heart pump device has the effect of improving the efficiency of the geothermal heat pump system.
The present invention has the following features to achieve the above object.
The present invention comprises a cardiac pump for perforating the ground and conveying groundwater at a predetermined temperature stored in the ground through the cardiac well tube;
The groundwater transferred through the cardiac pump is filled inside, but is introduced through the upper side when heating, and is introduced through the lower side when cooling, and the water filled inside is stratified according to the temperature so that the upper part is high temperature and the lower part is low temperature. A heat source heat storage tank formed of;
It is connected to the inner upper side of the heat source heat storage tank, when heating the hot water transfer to supply the hot water of the heat source heat storage tank to the geothermal heat pump device, and return the hot water heat exchanged from the geothermal heat pump device to the heat source heat storage tank when cooling Tube;
It is connected to the inner lower side of the heat source heat storage tank, when heating, returning the low-temperature water heat exchanged from the geothermal heat pump device to the heat source heat storage tank, and during cooling the cold water transfer to supply the low temperature water of the heat source heat storage tank to the geothermal heat pump device Tube;
A geothermal heat pump device for heat-exchanging the high and low temperature water and the circulating water (high and low temperature water) exchanged on the load side connected to the high and low temperature water transfer pipe of the heat source heat storage tank;
The load heat storage tank receives the heat exchanged circulating water and the heat exchanged circulating water from the load side through the geothermal heat pump device, and is filled inside, stratified according to the temperature of the circulated water filled therein, so that the upper side is high temperature and the lower side is low temperature. It characterized by comprising;
The present invention having such characteristics can be more clearly described by the preferred embodiments thereof.
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.
Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiments of the present invention and do not represent all of the technical idea of the present invention, various equivalents that may be substituted for them at the time of the present application It should be understood that there may be water and variations.
1 is a schematic view showing a geothermal heat pump system according to an embodiment of the present invention, Figure 2 is a detailed view showing a geothermal heat pump system according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention FIG. 4 is a flowchart illustrating a geothermal heat pump system during heating (winter), and FIG. 4 is a flowchart illustrating a geothermal heat pump system during cooling (summer) according to an embodiment of the present invention.
As shown in FIG. 1 and FIG. 2, the geothermal heat pump system using the heat storage tank of the present invention includes a
The
Here, the
In addition, the two
In addition, at one end of the branched two cardiac pipes 12 (a portion located outside the heat source heat storage tank 20), the
The heat source
Here, the heat source
In addition, the heat source
The geothermal
Here, between the geothermal
In addition, the low temperature
Then, the difference between the load of the water to be transferred between the hot
At this time, between the hot
The load
Here, a first circulation
In addition, one side of the first circulation
In addition, the first circulating
At this time, between the first circulating
Here, between the load
In addition, the second circulation
In addition, between the second circulating
For reference, when heating, hot water is transferred to a fan coil unit (2) in the room and a pipe installed on the floor of the room for heating, and when cooling, cold water is supplied only to the fan coil unit (2) in the room. It is.
The controller is connected to each device and serves to control by an electrical signal.
1 is a schematic view showing a geothermal heat pump system according to an embodiment of the present invention,
Figure 2 is a detailed view showing a geothermal heat pump system according to an embodiment of the present invention,
3 is a flowchart illustrating a geothermal heat pump system during heating (winter) according to an embodiment of the present invention.
4 is a flowchart illustrating a geothermal heat pump system during cooling (summer) according to an embodiment of the present invention.
<Description of the symbols for the main parts of the drawings>
10: cardiac pump device 20: heat source heat storage tank
40: geothermal heat pump device 50: load heat storage tank
60: high temperature water transfer pipe 61: low temperature water transfer pipe
70: first circulating water supply pipe 71: first circulating water return pipe
80: second circulating water supply pipe 81: second circulating water supply pipe
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020090059949A KR101124360B1 (en) | 2009-07-01 | 2009-07-01 | Subterranean heat of Heat pump system use Well pump |
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Application Number | Priority Date | Filing Date | Title |
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KR1020090059949A KR101124360B1 (en) | 2009-07-01 | 2009-07-01 | Subterranean heat of Heat pump system use Well pump |
Publications (2)
Publication Number | Publication Date |
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KR20110002375A true KR20110002375A (en) | 2011-01-07 |
KR101124360B1 KR101124360B1 (en) | 2012-03-15 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020090059949A KR101124360B1 (en) | 2009-07-01 | 2009-07-01 | Subterranean heat of Heat pump system use Well pump |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011122252A1 (en) | 2010-12-27 | 2012-06-28 | Lg Electronics Inc. | Solar cell and process for its production |
KR101985847B1 (en) * | 2018-10-12 | 2019-06-05 | (주)티이엔 | Operation control method of geothermal source heat pump heating / cooling system using vertical open type ground heat exchanger |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100780460B1 (en) | 2006-10-27 | 2007-11-29 | 주식회사 국민에너지 | The cooling and heating system of economic type by heatpumps |
-
2009
- 2009-07-01 KR KR1020090059949A patent/KR101124360B1/en not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011122252A1 (en) | 2010-12-27 | 2012-06-28 | Lg Electronics Inc. | Solar cell and process for its production |
KR101985847B1 (en) * | 2018-10-12 | 2019-06-05 | (주)티이엔 | Operation control method of geothermal source heat pump heating / cooling system using vertical open type ground heat exchanger |
Also Published As
Publication number | Publication date |
---|---|
KR101124360B1 (en) | 2012-03-15 |
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