KR20140046191A - Solar heating system - Google Patents
Solar heating system Download PDFInfo
- Publication number
- KR20140046191A KR20140046191A KR1020120112340A KR20120112340A KR20140046191A KR 20140046191 A KR20140046191 A KR 20140046191A KR 1020120112340 A KR1020120112340 A KR 1020120112340A KR 20120112340 A KR20120112340 A KR 20120112340A KR 20140046191 A KR20140046191 A KR 20140046191A
- Authority
- KR
- South Korea
- Prior art keywords
- heat
- solar
- fluid
- heat exchanger
- lng
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 35
- 239000012530 fluid Substances 0.000 claims abstract description 71
- 239000000295 fuel oil Substances 0.000 claims description 20
- 239000006200 vaporizer Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000013535 sea water Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 239000000567 combustion gas Substances 0.000 claims description 10
- 230000008016 vaporization Effects 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims 1
- 238000009835 boiling Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 5
- 238000009834 vaporization Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
-
- 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
- F24D3/005—Hot-water central heating systems combined with solar 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
- F24D3/00—Hot-water central heating systems
- F24D3/02—Hot-water central heating systems with forced circulation, e.g. by 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
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/14—Solar 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0207—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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0271—Valves
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/06—Heat exchangers
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/08—Storage tanks
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A solar heating system is disclosed. The solar heating system of the present invention, the solar system using the heat energy of the solar, comprising: a pressure pump for increasing the pressure of the fluid supplied; A solar heater that collects solar heat and heats the fluid pressurized by the pressure pump; And a supply facility for supplying the superheated fluid formed by heating in the solar heater to the consumer as a heat source.
Description
The present invention relates to a solar heating system, and more particularly, to a solar heating system that collects solar heat to heat a pressurized fluid to form a superheated fluid and supplies it to a consumer as a heat source.
With active economic development in developing and underdeveloped countries, securing energy resources is a big concern. At the same time, interest in global warming and other environmental issues has increased, and active discussion on sustainable development is taking place.
Sustainable development refers to development that meets the needs of the present generation without compromising the possibility of meeting the needs of future generations. It is formulated by the report Our Common Future, published in 1987 by the World Council on Environment and Development (WCED). This required not only economic sustainability but also the entire ecosystem, including natural resources, to be sustainable.
For this sustainable development, various studies on the utilization of sustainable energy such as solar, solar, tidal, hydro, and wind power have been actively conducted.
Solar technology using solar heat, which is a representative example of sustainable energy, is a technology that absorbs radiant light from the sun and converts it into thermal energy, which is used for cooling and heating, industrial process heat, and thermal power generation.
Solar thermal systems are classified into passive and active systems, depending on the presence or absence of a heating medium. The former collects solar heat mainly by building structures such as windows and walls such as greenhouses and trombe walls, and the latter collects solar heat by using heat medium drives such as pumps by installing collectors separately. Is a system, commonly called a solar system.
A solar system usually consists of a heat collecting section, a heat storage section, a utilization section and a control device.
Among them, the heat collecting portion is a portion that collects energy from the sun and converts it into heat, and generally includes a solar heat collector. There are many types of solar collectors. Some examples include flat collectors, tube collectors, PTC (Parabolic Trough Concentrator) collectors, CPC (Compound Parabolic Concentrator) collectors, and Dish collectors. Appropriate solar collectors are selected in consideration of the application field of the system, the application temperature of the system and the installation area.
The main categories of solar systems are solar hot water supply system, solar air conditioning system, solar industrial process heat system, and solar power generation system.
The solar technology that forms and utilizes hot water with solar heat is difficult to be used in fields requiring higher temperatures because the temperature of hot water does not exceed 100 ° C, and there is a problem that the effects of seasonal and meteorological conditions are greatly affected in collecting solar heat. .
The present invention is to solve the above problems, by pressurizing the fluid and heating the pressurized fluid with solar heat to form a superheated fluid to be able to supply to the heat source to the consumer who needs a high temperature of 100 ℃ or more, and to provide a storage tank season We propose a system that can supply the necessary superheated fluid regardless of the weather condition.
According to one aspect of the invention, in the solar system using the thermal energy of the solar,
A pressure pump for raising the pressure of the fluid supplied;
A solar heater that collects solar heat and heats the fluid pressurized by the pressure pump; And
Provided is a solar heating system including a supply facility for supplying a superheated fluid formed by heating in the solar heater to a consumer as a heat source.
The apparatus may further include a storage tank provided in the supply facility and a bypass pipe provided in the supply facility and bypassing the storage tank.
The supply apparatus may further include a first motor driving valve provided between the branched branch of the bypass pipe and the storage tank, and a second motor driving valve provided in the bypass pipe.
The consumer is a heavy oil tank in which heavy oil is stored, and the heavy oil tank may be provided with a heat exchanger through which the superheated fluid supplied to the supply facility passes and heat exchanges with the heavy oil.
The consumer may be an LNG vaporizer for vaporizing LNG, and the LNG vaporizer may be provided with a heat exchanger through which the superheated fluid supplied to the supply facility passes and heat exchanges with the LNG.
The heat exchanger may include a seawater heat exchanger that vaporizes LNG by heat exchange with seawater.
The heat exchanger may include a condenser effluent heat exchanger configured to exchange LNG with the condenser discharged water discharged from the condenser of the power plant to vaporize it.
The heat exchanger may include a combustion gas heat exchanger that vaporizes LNG by heat exchange with the combustion gas discharged from the power plant.
The fluid may be selected from the group comprising water and seawater.
According to another aspect of the present invention, in the method for supplying a heat source by heating a fluid with solar heat,
1) pumping and pressurizing the fluid;
2) collecting solar heat to heat the pressurized fluid to form a superheated fluid; And
3) A method of supplying a heat source using solar heat, comprising supplying the superheated fluid to a consumer as a heat source.
The solar heating system of the present invention can pressurize a fluid and heat the pressurized fluid with solar heat to form a superheated fluid so that it can be supplied as a heat source to a consumer who needs a high temperature of 100 ° C. or higher, and a storage tank is provided regardless of the season and weather conditions. To provide the necessary superheated fluid.
1 shows a schematic concept of a solar heating system according to an embodiment of the invention.
FIG. 2 schematically illustrates a state in which a solar heating system is provided in a heavy oil tank according to a first embodiment of the present invention.
FIG. 3 schematically illustrates a state in which a solar heating system is provided in an LNG vaporization apparatus using seawater according to a second embodiment of the present invention.
FIG. 4 schematically illustrates a state in which a solar heating system is provided in an LNG vaporizer that vaporizes LNG with condenser discharge water of a power plant according to a third embodiment of the present invention.
FIG. 5 schematically illustrates a state in which a solar heating system is provided in an LNG vaporizer for vaporizing LNG with combustion gas of a power plant according to a fourth embodiment of the present invention.
In order to fully understand the present invention, operational advantages of the present invention, and objects achieved by the practice of the present invention, reference should be made to the accompanying drawings and the accompanying drawings which illustrate preferred embodiments of the present invention.
Hereinafter, the present invention will be described in detail with reference to the preferred embodiments of the present invention with reference to the accompanying drawings.
1 shows a schematic concept of a solar heating system according to an embodiment of the invention.
As shown in FIG. 1, a solar heating system according to an exemplary embodiment of the present invention includes a pressurized
The superheated fluid described in this embodiment is used as a concept including a superheated gas and a superheated liquid. Here, superheated liquid refers to a liquid that maintains a liquid state without being vaporized even when the temperature reaches a boiling point or more as the external pressure rises.
This is based on the following principle.
Boyle-Charles' Law defines Bohr's law that the gas pressure is inversely proportional to the volume when the temperature is constant, and Charles's law that the volume of the gas is proportional to the increase in temperature when the pressure is constant And the relationship between temperature, pressure, and volume at the same time.
This is expressed by the following equation.
In the above equation, k is constant.
Therefore, in order to satisfy the above equation, it can be seen that when the pressure rises, the corresponding temperature must also rise.
The boiling point of the liquid is the temperature at which the internal pressure of the gas and the external pressure become the same when the liquid evaporates. Applying this to the above equation, it is concluded that the boiling point of the liquid should rise when the external pressure rises.
The present invention utilizes the boiling point ascending principle by such a pressure rise. That is, the pressure is increased through the
The
The embodiment may further include a
By providing the
The first
As a first embodiment, the
Heavy oil is obtained by distilling gasoline, petroleum, light oil, etc. from crude oil, and is mainly used for diesel engines, boiler heating, and thermal power generation. In order to supply heavy oil to diesel engines or thermal power generation, a
2 is a schematic view of a
In another embodiment, the
In a second embodiment, the heat exchanger may include a seawater heat exchanger (not shown) that vaporizes LNG by heat exchange with seawater. Since seawater, especially surface water, exhibits a water temperature of around 30 ° C in the tropics, it can be a sufficient heat source for vaporization of phase change LNG at -162 ° C and is cost effective. However, since the temperature of surface water varies with latitude or season and can affect the marine ecosystem by the discharge of heat exchanged seawater, we propose an LNG vaporizer that circulates superheated fluid. The vaporization capacity may be increased by circulating the superheated fluid and operating together with the seawater heat exchanger, or in some cases, the LNG vaporizer may be continuously operated through the seawater heat exchanger when it is difficult to form the superheated fluid by solar heat.
Thus, the second embodiment in which the solar heating system is provided in the
In a third embodiment, the heat exchanger may include a condenser effluent heat exchanger (not shown) that exchanges and vaporizes LNG with the condenser effluent discharged from the condenser of the power plant G.
Thus, the third embodiment in which the solar heating system is provided in the
The condenser discharge water is hot water discharged and used to drive the turbine in the power plant G and to regenerate the discharged steam. As the cooling water used in the plural process absorbs about 47% of the heat contained in the steam, the temperature rises to a considerable extent, so the effluent of the condenser can be a sufficient heat source for the LNG vaporizer, and by lowering the temperature of the condenser effluent, It can also reduce the environmental impact. In addition, the LNG vaporization capacity can be increased by circulating the superheated fluid, or the temperature of the LNG gas vaporized can be increased.
In a fourth embodiment, the heat exchanger may include a combustion gas heat exchanger (not shown) that vaporizes LNG by heat exchange with the combustion gas discharged from the power plant G.
Thus, the fourth embodiment in which the solar heating system is provided in the
The flue gas can be a sufficient heat source for LNG vaporization, considering that the flue fluctuates seasonally, but at significant temperatures of about 85 to 125 ° C. By adding a heat exchanger by the superheated fluid, the LNG vaporizer may be operated to vaporize LNG even when the power plant is not operated or sufficient combustion gas is not discharged. On the contrary, when it is difficult to form a superheated fluid through solar heat due to seasons or weather conditions and the superheated fluid stored in the
The fluid may be selected from the group comprising water and seawater, and the degree of pressure rise by the
For example, when the introduced fluid is water, the critical points are 225.56 kgf / cm 2 and 374.15 ° C., and high temperature water up to about 370 ° C. may be formed using the
According to another aspect of the present invention, in the method for supplying a heat source by heating a fluid with solar heat,
1) pumping and pressurizing the fluid;
2) collecting solar heat to heat the pressurized fluid to form a superheated fluid; And
3) A method of supplying a heat source using solar heat, comprising supplying a superheated fluid to a
As described above, the solar heating system according to the present embodiments collects solar heat to heat the pressurized fluid to form a superheated fluid, and supplies it to the
In addition, by providing a
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Accordingly, such modifications or variations are intended to fall within the scope of the appended claims.
100: pressure pump
200: solar burner
300: supply equipment
310: bypass piping
320: first motor drive valve
330: second motor drive valve
400: storage tank
500: consumer
500A: heavy oil tank
510: heat exchanger
500B, 500C, 500D: LNG Vaporizer
T: LNG Storage Tank
G: power plant
Claims (10)
A pressurizing pump for increasing the pressure of the supplied fluid;
A solar heater that collects solar heat and heats the fluid pressurized by the pressure pump; And
And a supply facility for supplying a superheated fluid formed by heating in said solar heater to a consumer as a heat source.
A storage tank provided in the supply facility; And
And a bypass pipe provided in the supply facility and bypassing the storage tank.
A first motor driving valve provided between a branch point of the bypass pipe in the supply facility and the storage tank; And
The solar heating system further comprises a second motor drive valve provided in the bypass pipe.
The consumer is a heavy oil tank in which heavy oil is stored,
And a heat exchanger through which the superheated fluid supplied to the supply facility passes and heat exchanges with the heavy oil.
The consumer is an LNG vaporizer for vaporizing LNG,
And the LNG vaporizer is provided with a heat exchanger through which the superheated fluid supplied to the supply facility passes and heat exchanged with the LNG.
A solar heating system comprising a seawater heat exchanger for evaporating LNG by heat exchange with seawater.
And a condenser discharge water heat exchanger configured to exchange LNG with the condenser discharge water discharged from the condenser of the power plant to vaporize the condenser.
And a combustion gas heat exchanger configured to exchange LNG with the combustion gas discharged from the power plant to vaporize the LNG.
And said fluid is selected from the group comprising water and sea water.
1) pumping and pressurizing the fluid;
2) collecting solar heat to heat the pressurized fluid to form a superheated fluid; And
And 3) supplying said superheated fluid to a consumer as a heat source.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120112340A KR20140046191A (en) | 2012-10-10 | 2012-10-10 | Solar heating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020120112340A KR20140046191A (en) | 2012-10-10 | 2012-10-10 | Solar heating system |
Publications (1)
Publication Number | Publication Date |
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KR20140046191A true KR20140046191A (en) | 2014-04-18 |
Family
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Family Applications (1)
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KR1020120112340A KR20140046191A (en) | 2012-10-10 | 2012-10-10 | Solar heating system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200064251A (en) | 2018-11-28 | 2020-06-08 | 선다코리아주식회사 | Solar heat system of industrial process |
-
2012
- 2012-10-10 KR KR1020120112340A patent/KR20140046191A/en not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200064251A (en) | 2018-11-28 | 2020-06-08 | 선다코리아주식회사 | Solar heat system of industrial process |
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