KR20110059568A - Cooling system of natural circulation by low temperature boiling of water - Google Patents

Cooling system of natural circulation by low temperature boiling of water Download PDF

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Publication number
KR20110059568A
KR20110059568A KR1020110038692A KR20110038692A KR20110059568A KR 20110059568 A KR20110059568 A KR 20110059568A KR 1020110038692 A KR1020110038692 A KR 1020110038692A KR 20110038692 A KR20110038692 A KR 20110038692A KR 20110059568 A KR20110059568 A KR 20110059568A
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KR
South Korea
Prior art keywords
water
heat exchanger
boiler
cooling
circulation
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KR1020110038692A
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Korean (ko)
Inventor
임효진
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임효진
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Priority to KR1020110038692A priority Critical patent/KR20110059568A/en
Priority to KR1020110048210A priority patent/KR20110073409A/en
Publication of KR20110059568A publication Critical patent/KR20110059568A/en
Priority to PCT/KR2012/003136 priority patent/WO2012148149A2/en

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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
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D31/00—Other cooling or freezing apparatus
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23—Separators
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

PURPOSE: A cooling system of natural circulation of water by low temperature boiling is provided to prevent ozone layer destruction or air contamination by making the natural circulation of water without a water pump. CONSTITUTION: A cooling system of natural circulation of water by low temperature boiling comprises the follows. The condenser is installed on the top of a heat exchanger for a boiler. The upper part of a water containing area of a heat exchanger for a boiler is connected with the upper part of the condenser using pipes. The lower part of a water containing area of the heat exchanger for a boiler is connected with the lower part of the condenser using pipes. A water injection valve(11) and a vacuum control valve(14) are installed in one side of the water/steam circulator. A vacuum pump(15) is installed in the end of the vacuum control valve and decreases the pressure of the water/steam circulator.

Description

Cooling system of natural circulation by low temperature boiling of water

Power Principles including Transformers, Refrigeration Systems with Refrigerators / Air Conditioners, Machinery for Cooling by Fluid Circulation, Computing Systems for Cooling with Fluid Circulation / Computer Cooling System

     Power equipment including transformers, refrigeration systems with refrigerators / air conditioners, machinery for cooling by fluid circulation, and computer systems / computers for cooling by fluid circulation generate heat when the equipment is operated. The prior art introduces heat generated in the cooling system heat exchanger to the primary side while natural convection or forced circulation of fluids such as insulating oil, gas, and water so as to be in contact with a portion of heat generated inside the facilities in order to discharge the generated heat. After circulating the refrigerant on the secondary side of the heat exchanger, the heat is exchanged with each other to remove heat. The most common method is to forcibly circulate water between the heat exchanger and the cooling tower by using a water pump while using water as the secondary refrigerant of the heat exchanger. Recently, a refrigerant or liquefied gas that boils at low temperature instead of water is operated without using a water pump. A method of natural circulation as a fluid has been developed and in use. Registration No. 10-0764408 [Transformer Cooling System using Power Generation Rankine Cycle], Registration No. 20-0435314 [Power Facility Cooling System Using Refrigerant Vaporization Heat], Application No. 10-2009-0021939 [Steam Facility Using Refrigerant Vaporization Heat] Condenser system], registration No. 10-0441997, [electric bulb / tunnel cooling system using refrigerant heat]. If water is used as a refrigerant and forced circulation of water between the heat exchanger and the cooling tower is carried out, a friendly horn or a lot of energy is required to operate the water pump, and the water pump should be prepared for failure. When using a refrigerant or liquefied gas boiling at a low temperature used in the refrigerating cycle as a refrigerant, energy is not required for circulation, but when it is released into the atmosphere, it is not environmentally friendly because it may cause ozone layer destruction or air pollution.

     In the present invention, the principle that water vaporizes at low temperature at low pressure is applied. When the pressure goes down to 0.01 atm, water can be controlled by lowering the pressure, such as vaporizing at about 5 ° C. The water that can be easily obtained from the surroundings is transferred to the working fluid of the cooling system heat exchanger. Take advantage. By utilizing the waste heat, the secondary water of the heat exchanger is vaporized at a low temperature to raise it, and the condensed water takes a natural circulation method to be lowered by gravity to minimize energy use in the refrigerant circulation.

     In the cooling system, the internal pressure of the water / steam circulation circuit is reduced by using a vacuum pump installed to penetrate the water / steam circulation circuit, which is a closed circuit through which water and steam are circulated, and the water is evaporated at low temperatures by waste heat to be discarded. And condensed vaporized water vapor in the condenser installed at the top to descend to gravity for natural circulation.

     It is very important to remove heat from power equipment including transformers, refrigeration systems with refrigerators / air conditioners, machinery for cooling by fluid circulation, and computer systems / computers for cooling by fluid circulation. Conventional cooling method is a water-cooling method that is forced to circulate water and cooling, and recently circulating the refrigerant in a natural circulation method using a refrigerant or liquefied gas used in a refrigeration cycle boiling at low temperatures. Introduced to the transformer chiller. If water is used as a refrigerant and forced circulation to the water pump, a lot of energy is required to operate the horn or water pump and the water pump should be prepared for failure. When using a refrigerant or liquefied gas boiling at a low temperature used in the refrigerating cycle as a refrigerant, energy is not required for circulation, but when it is released into the atmosphere, it is not environmentally friendly because it may cause ozone layer destruction or air pollution.

      In the present invention, the water is used as a refrigerant in the heat exchanger water receiving space, but the water is boiled at a low temperature due to the waste heat to lower the pressure so that the natural circulation is possible without a water pump, and does not use energy in the water circulation. Even if it leaks out, it does not cause ozone layer destruction or air pollution, so it is possible to drastically reduce the cost by selecting environmentally friendly and easily available water as circulating refrigerant.

1 is an explanatory view of a low temperature boiling natural circulation cooling system of the present invention.
2 is a diagram illustrating a case where a gas-liquid separation tank is installed.
3 is a diagram illustrating an example of applying the present invention to a transformer cooling apparatus utilizing a conventional power generation Rankine cycle.
4 is a diagram illustrating a case where the present invention is applied to a power equipment cooling apparatus using a conventional refrigerant vaporization heat.
5 is a diagram illustrating a case where the present invention is applied to a conventional steam equipment condenser system using a refrigerant vaporization heat.
6 is a diagram illustrating a case where the present invention is applied to an electric power port / tunnel cooling system using a conventional refrigerant vaporization heat.

     1 is an explanatory view of a low temperature boiling natural circulation cooling system of the present invention. The method of installing the heat exchanger 13 for a boiler so as to smoothly obtain heat from the cooling target 10 includes a method in which the boiler heat exchanger 13 directly obtains water from the cooling target 10 with only a water receiving space (not shown). Alternatively, the boiler heat exchanger 13 is configured to be in contact with a fluid space in which heat exchanges with each other and a water receiving space, and the cooling object 10 and the boiler heat exchanger 13 in which the fluid for moving heat is filled are piped. By connecting to form a circulation circuit by installing the circulation pump 12 on the circulation circuit can be one of the methods of indirectly acquiring while forcibly circulating the fluid. This figure illustrates the latter of these two representatively. According to the method of installing the boiler heat exchanger 13 so as to smoothly obtain heat from the cooling target 10, the boiler heat exchanger 13 is installed, and a condenser 16 having a refrigerant circulation path therein is connected to a boiler heat exchanger ( 13) It is installed on the upper side, and the upper part of the water exchange space of the boiler heat exchanger (13) and the upper part of the condenser (16) are connected to each other by pipes, and the lower part of the water receiving space of the boiler heat exchanger (13) and the lower part of the condenser (16) are piped. Connected to the closed circuit to the water exchange space for the boiler heat exchanger (13) water receiving space, water receiving space upper outlet, piping, condenser (16), pipes, water receiving space lower inlet, boiler heat exchanger (13) water receiving space The water / steam circulation circuit is formed, and the water injection valve 11 and the vacuum control valve 14 are installed to penetrate the water / steam circulation circuit to one side of the water / steam circulation circuit and a vacuum pump (at the end of the vacuum control valve 14). 15) Install water / vapor circulation The pressure of the circuit is lowered, and water is injected into only a part of the water / steam circulation circuit including the water receiving space of the boiler heat exchanger 13 through the water injection valve 11 to obtain the heat from the boiler heat exchanger ( 13) The water is vaporized in the water receiving space and condensed water vapor in the condenser 16 is configured to circulate the water / steam circulation circuit. If the pressure of the water / steam circulation circuit changes during operation of the cooling system, it is very important to operate the vacuum pump 15 to maintain the pressure normally. Rather than operating the vacuum pump 15 at all times to proceed with cooling, the vacuum pump 15 is installed for the purpose of maintaining the pressure inside the cooling system at a desired value. Therefore, the vacuum pump 15 may not always be installed. Since the water / steam circulation circuit is in a state where the pressure is lowered by the vacuum pump 15, the water injected only to a part of the water / steam circulation circuit including the water receiving space of the boiler heat exchanger 13 through the water injection valve 11 is low. It can also vaporize at temperature. In this figure, the vacuum control valve 14 is representatively installed on one side of the condenser 16 located at the top. However, the vacuum control valve 14 may be installed anywhere in the refrigerant circulation circuit. It is also possible to install a vacuum control valve 14 on one side of the components. At this time, the condenser 16 should maintain an empty space for condensation of water vapor so that water is not filled in the condenser 16. The condenser 16 finally serves to discard the heat to the outside of the cooling system, so that the condenser 16 may be cooled by air cooling, water cooling, refrigeration cycle cooling, or a combination thereof. The principle of operation is as follows. The fluid filled in the cooling target 10 is circulated between the cooling target 10 and the boiler heat exchanger 13 fluid space by the operation of the circulation pump 12, and the water receiving space of the boiler heat exchanger 13 by heat exchange. It is cooled by the heat of vaporization of water while boiling water flowing into it. Boiler heat exchanger (13) When the temperature of the fluid circulating in the fluid space is lower than 100 ℃ the temperature of the water exchange space for the boiler heat exchanger (13) water heat exchanger with the heat exchanger is lower than 100 ℃, but the pressure inside the water / steam circulation circuit When the water is lowered, the water can boil at a low temperature, so the temperature of the normal operation range is low, so that the cooling target that does not generate high heat is to be discarded. Can be. Water vaporized by boiling water is introduced into the condenser 16 through a pipe connecting the upper part of the boiler heat exchanger 13 and the upper part of the condenser 16 to dissipate heat to the outside and change the state into liquid water. The water condensed in the condenser 16 is introduced into the boiler heat exchanger 13 by gravity through a pipe connecting the lower part of the condenser 16 and the lower part of the boiler heat exchanger 13 to complete one cycle of cooling. Repeating this process, the cooling target 10 is gradually cooled. In the process of vaporizing the water into steam to raise the condenser 16 from the water heat exchanger for the boiler, the waste heat to be discarded is utilized, and the water liquefied in the condenser 16 is used for the boiler heat exchanger (13). Descending to the receiving space utilizes gravity, allowing natural circulation of water, minimizing energy use. It is also within the scope of the present invention that the cooling target 10 is one of a power facility including a transformer, a refrigeration system including a refrigerator / air conditioner, a mechanical device for cooling by fluid circulation, and a computer system / computer for cooling by fluid circulation. In the case of refrigeration systems including refrigerators and air conditioners, the refrigeration cycle is configured and operated. When the location of the compressor and the place where the heat can be discarded are far apart, the capacity of the compressor is limited, so use a heat exchanger type condenser near the compressor and cool the condenser. Another cooling system should be constructed so that the heat can be dissipated in a place where it can dissipate distant heat. At this time, the compressor corresponds to the circulation pump 12 in the present invention. Another cooling system that cools the condenser, so far, has mostly adopted water cooling systems. In the case of a domestic refrigerator, the heat generated inside the refrigerator is discarded in an indoor space. If the heat is discarded to the outside by applying the present invention, it is very effective to prevent the temperature rise of the indoor space. In the case of an air conditioner, a heat exchanger type condenser is used in the vicinity of the compressor, and another cooling system that cools the condenser is configured as a cooling system according to the present invention. Pollution can be prevented, creating a very pleasant environment. In addition, in the case of computer systems / computers, as data processing at a high speed increases, it becomes large and generates a lot of heat, so it is generally cooled by water cooling method. The heat exchanger used for the cooling system of the computer system / computer room consists of heat exchange tubes only, and there is only a coolant accommodation space (mainly a water accommodation space) that directly receives heat from the air in the computer system / computer room cooling system space. The method of cooling is usually done by forcibly circulating water to another cooling device to which a cold cooling fluid is supplied. The cooling system of the computer system / computer room is mainly cooled by water cooling. In this case, the water is forced to circulate forcibly, so the energy is used and the water cooling pipe is filled with water, so if the winter is not operated, As water freezes and expands in volume, freezing accidents often occur and the computer system stops. When the present invention is applied to a computer system / computer room, the water vaporizes and circulates, so the water circulates in a state in which the water is not filled inside the pipe, so if the water inside the pipe freezes when not operating in winter, an accident occurs. It is very safe to use.

     2 is a diagram illustrating a case where a gas-liquid separation tank is installed. In Figure 1, the boiler heat exchanger 13 is characterized in that the gas-liquid separation tank 21 is additionally installed in the middle of the pipe connecting the water receiving space and the condenser 16. In this case, the water exchange space for the boiler heat exchanger 13 and the gas-liquid separation tank 21 form one water / steam circulation circuit connected by pipes, and the gas-liquid separation tank 21 and the condenser 16 are connected by pipes. Another water / steam circuit is formed. In the gas-liquid separation tank 21, the liquid water goes down to the bottom, the gaseous water vapor goes to the top, and the water descends to the boiler heat exchanger (13) water receiving space at the bottom, and the water vapor is condenser ( To 16). The principle of operation is as follows. The fluid circulation between the cooling target 10 and the fluid space of the heat exchanger 13 for the boiler is shown in FIG. 1. The fluid circulating in the boiler heat exchanger 13 fluid space is cooled by the heat of vaporization of water while boiling the water flowing into the boiler heat exchanger 13 water receiving space by heat exchange. Boiled water, vaporized water and the temperature of the liquid state of the temperature rises is introduced into the gas-liquid separation tank 21 through a pipe connecting the upper part of the boiler heat exchanger 13 and the gas-liquid separation tank 21, the gas-liquid separation tank (21) The inside of the water in the liquid state is introduced into the water exchange space for the boiler heat exchanger (13) through the pipe again and is ready to vaporize again by the heat of the fluid space for the boiler heat exchanger (13). The gaseous water vapor in the gas-liquid separation tank 21 flows into the condenser 16 through a pipe connected to the upper condenser 16, discards heat to the outside, and changes state into liquid water. Water condensed in the condenser 16 is introduced into the gas-liquid separation tank 21 by gravity through a pipe connecting the lower part of the condenser 16 and the gas-liquid separation tank 21 to end one cycle of cooling. Repeating this process, the cooling target 10 is gradually cooled. In the process of raising the water to vaporize the water vapor to the condenser 16 through the gas-liquid separation tank 21 in the water receiving space for the boiler heat exchanger (13) utilizing the waste heat to be discarded and the liquid state liquefied in the condenser (16) In the process of lowering the water of the boiler through the gas-liquid separation tank 21 into the water receiving space for the heat exchanger (13) because the gravity is utilized because the natural circulation of the water cooling method is minimized the use of energy.

     3 is a diagram illustrating an example of applying the present invention to a transformer cooling apparatus utilizing a conventional power generation Rankine cycle. It is an example of applying the present invention to the cooling device shown in the registration number 10-0764408 [transformer cooling device using power generation Rankine cycle]. If the focus is on the cooling system, components such as the pressure regulating valve 34, the expander 35, the working fluid tank 37, the working fluid supply pump 38 and the working fluid volume control valve 39 are not required. Can be excluded. Water / vapor circulation circuit of the present invention is a heat exchanger (13), pressure control valve (34), expander (35), condenser (16), working fluid tank (37), working fluid supply pump (38), working oil for boiler The volumetric control valve 39, which is connected to the heat exchanger for the boiler 13 again, is replaced by a refrigerant circulation circuit that forms a closed circuit. The operation principle is as described in FIG.

     4 is a diagram illustrating a case where the present invention is applied to a power equipment cooling apparatus using a conventional refrigerant vaporization heat. It is an example of applying the present invention to the cooling device shown in the registration number 20-0435314 [power facility cooling device using refrigerant vaporization heat]. The water / steam circulation circuit of the present invention is configured to be replaced by a refrigerant circulation circuit connected to the boiler heat exchanger 13, the condenser 16, and the boiler heat exchanger 13 again to form a closed circuit. . The operation principle is as described in FIG.

     5 is a diagram illustrating a case where the present invention is applied to a conventional steam equipment condenser system using a refrigerant vaporization heat. It is an example of applying the present invention to the cooling device described in Application No. 10-2009-0021939 [Steam facility condenser system using refrigerant vaporization heat]. The water / steam circulation circuit of the present invention is configured to be replaced by a refrigerant circulation circuit connected to a refrigerant use condenser 51, a condenser 16, a refrigerant tank, and a refrigerant use condenser 51 again to form a closed circuit. to be. The operation principle is as described in FIG.

     6 is a diagram illustrating a case where the present invention is applied to an electric power port / tunnel cooling system using a conventional refrigerant vaporization heat. It is an example of applying the present invention to a cooling device shown in the registration number 10-0441997 [power bulb / tunnel cooling system using refrigerant heat. The water / steam circulation circuit of the present invention is replaced by a refrigerant circulation circuit connected to the tubular heat exchanger 61, the condenser 16, the refrigerant cylinder 62, and again to the tubular heat exchanger 61 to form a closed circuit. It is characteristic. The operation principle is as described in FIG.

     3, 4, 5, and 6, the water / vapor circulation circuit of the present invention is a refrigerant circulation circuit of a transformer cooling device using a power generation Rankine cycle or a refrigerant circulation circuit of a power equipment cooling device using refrigerant vaporization heat or It is also within the scope of the present invention to replace one of the refrigerant circulation circuit of the steam equipment condenser system using the refrigerant vaporization heat or the refrigerant circulation circuit of the power port / tunnel cooling system using the refrigerant vaporization heat.

10: cooling target 11: water injection valve
12: circulation pump 13: heat exchanger for boiler
14: vacuum control valve 15: vacuum pump
16: condenser 21: gas-liquid separation tank
30: transformer (or heat sink) 31: circulation tube
34: pressure control valve 35: inflator
37: working fluid tank 38: working fluid supply pump
39: working fluid volume control valve 40: power equipment
51: Refrigerant use condenser 53: Refrigerant tank
54 boiler 55 high pressure turbine
56 low pressure turbine 57 feed water pump
60: power sphere 61: tubular heat exchanger
62: refrigerant cylinder

Claims (5)

     According to the method of installing the boiler heat exchanger 13 so as to smoothly obtain heat from the cooling target 10, the boiler heat exchanger 13 is installed, and a condenser 16 having a refrigerant circulation path therein is connected to a boiler heat exchanger ( 13) It is installed on the upper side, and the upper part of the water exchange space of the boiler heat exchanger (13) and the upper part of the condenser (16) are connected to each other by pipes, and the lower part of the water receiving space of the boiler heat exchanger (13) and the lower part of the condenser (16) are piped. Connected to the closed circuit to the water exchange space for the boiler heat exchanger (13) water receiving space, water receiving space upper outlet, piping, condenser (16), pipes, water receiving space lower inlet, boiler heat exchanger (13) water receiving space The water / steam circulation circuit is formed, and the water injection valve 11 and the vacuum control valve 14 are installed to penetrate the water / steam circulation circuit to one side of the water / steam circulation circuit and a vacuum pump (at the end of the vacuum control valve 14). 15) Install water / vapor circulation The pressure of the circuit is lowered, and water is injected into only a part of the water / steam circulation circuit including the water receiving space of the boiler heat exchanger 13 through the water injection valve 11 to obtain the heat from the boiler heat exchanger ( 13) The low temperature boiling natural circulation cooling system of water, characterized in that the water is vaporized in the water receiving space and condensing water vapor in the condenser 16 to circulate the water / steam circulation circuit.      The method according to claim 1, wherein the boiler heat exchanger (13) is provided so that the heat exchanger (13) for the boiler smoothly obtains heat from the cooling target (10). Method (not shown) or the heat exchanger for the boiler (13) is configured to be in contact with the fluid space and the water receiving space to exchange heat with each other, the cooling object 10 and the heat exchanger for the boiler (10) 13) The low temperature boiling natural circulation cooling system of water, characterized in that it is one of the methods of indirectly acquiring while forcibly circulating the fluid by installing a circulation pump 12 on the circulation circuit by connecting the fluid space to form a circulation circuit through the pipe. .      The method of claim 1, wherein the cooling target 10 is one of a power facility including a transformer, a refrigeration system including a refrigerator / air conditioner, a mechanical device for cooling by fluid circulation, and a computer system / computer room for cooling by fluid circulation. Low temperature boiling natural circulation cooling system.      The low temperature boiling natural circulation of water according to claim 1, wherein the gas-liquid separation tank 21 is inserted and installed in the middle of the pipe connecting the water-exchanging space for the boiler heat exchanger 13 and the condenser 16. Cooling system.      The refrigerant circulation circuit according to claim 1, wherein the water / vapor circulation circuit is a refrigerant circulation circuit of a transformer cooling apparatus using a power generation Rankine cycle or a refrigerant circulation circuit of a power equipment cooling apparatus using refrigerant vaporization heat or a steam equipment condenser system using refrigerant vaporization heat. A low temperature boiling natural circulation cooling system for water characterized in that it is configured to replace one of the refrigerant circulation circuit of the power or tunnel cooling system using a circuit or refrigerant vaporization heat.
KR1020110038692A 2011-04-25 2011-04-25 Cooling system of natural circulation by low temperature boiling of water KR20110059568A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020110038692A KR20110059568A (en) 2011-04-25 2011-04-25 Cooling system of natural circulation by low temperature boiling of water
KR1020110048210A KR20110073409A (en) 2011-04-25 2011-05-22 Cooling system of natural circulation of water by low temperature boiling
PCT/KR2012/003136 WO2012148149A2 (en) 2011-04-25 2012-04-24 Cooling system using natural circulation of water boiled at a low temperature

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KR1020110038692A KR20110059568A (en) 2011-04-25 2011-04-25 Cooling system of natural circulation by low temperature boiling of water

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KR1020110048210A KR20110073409A (en) 2011-04-25 2011-05-22 Cooling system of natural circulation of water by low temperature boiling

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110552733A (en) * 2019-10-17 2019-12-10 河北工业大学 High-ground-temperature geological tunnel cooling system and application method
CN112984852A (en) * 2021-04-29 2021-06-18 王新正 Hot-compressed refrigerant steam circulating device using water as refrigerant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110097745A (en) * 2011-07-20 2011-08-31 임효진 Cooling system of low temperature boiling with lower-height/side positioned condenser compare to evaporator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110552733A (en) * 2019-10-17 2019-12-10 河北工业大学 High-ground-temperature geological tunnel cooling system and application method
CN112984852A (en) * 2021-04-29 2021-06-18 王新正 Hot-compressed refrigerant steam circulating device using water as refrigerant
CN112984852B (en) * 2021-04-29 2024-03-12 立海分子能(河南)科技有限公司 Hot compression refrigerant water vapor circulation device using water as refrigerant

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