CN104343524B - A kind of external gas machine modular cooling device and cooling means - Google Patents
A kind of external gas machine modular cooling device and cooling means Download PDFInfo
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- CN104343524B CN104343524B CN201410430012.8A CN201410430012A CN104343524B CN 104343524 B CN104343524 B CN 104343524B CN 201410430012 A CN201410430012 A CN 201410430012A CN 104343524 B CN104343524 B CN 104343524B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P2005/105—Using two or more pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
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- Combustion & Propulsion (AREA)
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Abstract
The invention belongs to technical field of engines, particularly to a kind of external gas machine modular cooling device and cooling means.Described modular cooling device includes: electric water pump I 3, electric water pump II 1, electric heater I 4, electric heater II 2, heat exchanger 5, filter I 6, filter II 13, hand-operated valve 7,8,10,11, electric T-shaped valve 9,12 and public base 14；Electric water pump I 3, electric water pump II 1 are each attached on public base 14, and the power source as inside and outside recirculated water orders about recirculated water flowing；Heat exchanger 5 is fixed on public base 14, on a branch road after the electric T-shaped valve I 9 being installed in interior closed circuit, for the heat exchange of water at low temperature with high-temperature water.By Flange joint between each parts of chiller, being combined as an entirety, electric water pump I 3, electric water pump II 1 and heat exchanger 5 on public base 14, form modular cooling device as three fixed pivots.
Description
Technology neck city
The invention belongs to technical field of engines, particularly to a kind of external gas machine modular cooling device and cooling means.
Background technology
Gas engine (abbreviation gas machine) cooling system is generally made up of interior circulating water cooling system, external circulating water-cooled but system and pipeline etc..Interior circulating water cooling system is usually closed circulation system, its chiller is made up of equipment such as high-temperature water pump, lube oil cooler, jacket-cooling water road, heat exchanger and pipelines, effect is the temperature of cooling gas machine heated component, makes gas machine be operated in suitable temperature.The chiller of external circulating water-cooled but system is made up of low temperature water pump, cooling tower or cooling fan and pipeline etc., effect is the high-temperature water produced by recirculating cooling water system in heat exchanger cooling gas machine, make the high-temperature water in interior recirculating cooling water system keep suitable temperature, cool down pressurized air by charge air cooler simultaneously.
At present, heat exchanger, high-temperature water pump and low temperature water pump in gas machine chiller are installed on gas machine, driving belt or travelling gear drive high-temperature water pump and low temperature water pump operating, make coolant in interior circulation and external circulation cooling system circulation work.Although heat exchanger, high-temperature water pump, low temperature water pump etc. are not take up additional space, but as long as gas machine runs, these devices being arranged on gas machine are it is necessary to consume a part of power, thus reduce the mechanical efficiency of gas machine.The heat that gas machine produces increases along with the increase of load, and in order to ensure maximum cooling water inflow when gas machine is at full capacity, high-temperature water pump and low temperature water pump run the most at a constant flow rate, the heat that gas machine thus can be made to be pulled away when underrun is too many, reduces the thermal efficiency of gas machine；Meanwhile, in the case of gas machine chiller is shaped, due to the restriction of cooling water inflow in chiller, gas machine chiller can only meet the gas machine of a certain model and use.And heat exchanger, high-temperature water pump and the low temperature water pump dispersed placement on machine in gas machine chiller, is not easy to install, safeguard.
Summary of the invention
It is an object of the invention to provide a kind of external gas machine modular cooling device and cooling means, the parts design such as heat exchanger, high-temperature water pump and low temperature water pump are become an entirety, it is placed on the outside of gas machine, by the entering of the high and low temperature circulation waterway of flange-interface and gas machine, water return outlet is connected, it is achieved the cooling to gas machine.
The present invention completes its invention task by the following technical programs:
A kind of external gas machine modular cooling device, includes interior circulating cooling system and external circulation cooling system；Described interior circulating cooling system includes electric water pump I 3, electric T-shaped valve the I 9, first pipeline the 15, second pipeline 16, heat exchanger 5 and electric heater I 4；Described electric water pump I 3 is connected with the water return outlet in high temperature circulation water route, and as the power source of interior recirculated water, described electric water pump I 3 connects electric T-shaped valve I 9；Described electric T-shaped valve I 9 flows to according to water temperature recycling water formulation, and described electric T-shaped valve I 9 is connected with first pipeline the 15, second pipeline 16 respectively；Described second pipeline 16 connects with heat exchanger 5；Described electric heater I 4 connects the first pipeline 15 by pipeline and connects with heat exchanger 5, and described electric heater I 4 connects gas machine；
Described external circulation cooling system includes electric water pump II 1, electric T-shaped valve the II 12, the 3rd pipeline the 17, the 4th pipeline 18, filter II 13 and electric heater II 2；Described modular cooling device also has and cools down the recirculated water in external circulation cooling system, and the heat exchanger 5 in inner loop cooling system carries outside cooling fan or the cooling tower of Cooling Water；Described electric water pump II 1 is connected with the water return outlet in cold cycle water route, and as the power source of outer circulation water, described electric water pump II 1 connects electric T-shaped valve II 12；Described electric T-shaped valve II 12 flows to according to water temperature recycling water formulation, and described electric T-shaped valve II 12 is connected with the 3rd pipeline the 17, the 4th pipeline 18 respectively；The 3rd described pipeline 17 is connected with electric heater II 2 by filter II 13, and described the 4th pipeline 18 manually valve IV 11 connects outside cooling fan or cooling tower；Described outside cooling fan or cooling tower manually valve III 10, filter II 13 connect with electric heater II 2, the charger-air cooler of described electric heater II 2 connection gas machine；
Described outside cools down fan or cooling tower and connects with heat exchanger 5 through hand-operated valve I 7, filter I 6, carries out heat exchange with the interior recirculated water entering heat exchanger 5；The recirculated water outlet of heat exchanger 5 connects outside cooling fan or cooling tower through hand-operated valve II 8；
Described electric water pump I 3, electric water pump II 1 are each attached on public base 14, and are separately mounted on inside and outside circulation main line, and the power source as inside and outside recirculated water orders about recirculated water flowing；Described electric water pump I 3, electric water pump II 1 have frequency control function, can be regulated the speed of recirculated water flowing by the change of frequency, and then change the flow of inside and outside recirculated water, with meet different type of machines under different operating modes internally, the requirement of the outer circulation water yield；Described electric T-shaped valve I 9, electric T-shaped valve II 12 are respectively arranged in the export pipeline of two electric water pumps, for regulating the temperature of inside and outside recirculated water；Described filter I 6, filter II 13 are respectively arranged on two main lines of outer circulation water, filter recirculated water, prevent impurity from blocking circulation waterway；Described electric heater II 2, electric heater I 4 are installed on the main line after filter, and when effect is to play machine at low ambient temperatures, internal, outer circulation water heats, it is ensured that gas machine normal starting under low temperature environment；Described hand-operated valve I 7, hand-operated valve II 8, hand-operated valve III 10 and hand-operated valve IV 11 be separately mounted to into, return on the inside and outside recirculated water branch road of outside cooling fan or cooling tower, for each branch road of manual-lock；Described heat exchanger 5 is fixed on public base 14, is installed in interior circulation waterway on a branch road after electric T-shaped valve I 9, for the heat exchange of water at low temperature with high-temperature water；By Flange joint between each parts of described chiller, being combined as an entirety, described electric water pump II 1, electric water pump I 3 and heat exchanger 5 form three fixed pivots on public base 14, define modular cooling device.
The cooling means of modular cooling device is: in described interior circulating cooling system, and high-temperature water, as the power source of interior recirculated water, is pumped into electric T-shaped valve I 9 by electric water pump I 3；Electric T-shaped valve I 9 flows to according to water temperature recycling water formulation, when circulating water temperature is less than 45 DEG C, the A side of electric T-shaped valve I 9 fully opens, and B side completely closes, recirculated water in interior circulating cooling system passes through the first pipeline 15, I 4 times gas machines of electric heater, to reach the purpose of rapid warming-up；When circulating water temperature reaches 45 DEG C, electric heater stops heating；When the circulating water temperature in interior circulating cooling system is higher than 80 DEG C, the A side of electric T-shaped valve I 9 completely closes, B side fully opens, recirculated water in interior circulating cooling system passes through the second pipeline 16, enter heat exchanger 5 and carry out heat exchange, enter gas machine through electric heater I 4 again through overcooled interior recirculated water；When circulating water temperature is less than 80 DEG C higher than 45 DEG C, electric T-shaped valve I 9 is in half-open half closed state, after recirculated water in interior circulating cooling system enters electric T-shaped valve I 9, a part of recirculated water sequentially enters the second pipeline 16, heat exchanger 5 carries out heat exchange, after this part recirculated water mixes with the Part II recirculated water entering the first pipeline 15 after going out heat exchanger 5, through electric heater I 4, enter gas machine；
In external circulation cooling system, water at low temperature, as the power source of outer circulation water, is pumped into electric T-shaped valve II 12 by electric water pump II 1；Electric T-shaped valve II 12 flows to according to water temperature recycling water formulation, when gas machine charge-air temperature is less than 40 DEG C, the C side of electric T-shaped valve II 12 fully opens, D side completely closes, and the recirculated water in external circulation cooling system is by the 3rd pipeline 17, filter II 13, the air cooler of electric heater II 2 entrance gas machine；When gas machine charge-air temperature reaches 40 DEG C, electric heater quits work；When gas machine charge-air temperature is higher than 50 DEG C, the C side of electric T-shaped valve II 12 completely closes, D side fully opens, recirculated water in external circulation cooling system is cooled down to outside cooling fan or cooling tower by the 4th pipeline 18, hand-operated valve IV 11, afterwards through hand-operated valve III 10, filter II 13, the charger-air cooler of electric heater II 2 entrance gas machine, pressurized air is cooled down；When gas machine charge-air temperature is less than 50 DEG C higher than 40 DEG C, electric T-shaped valve II 12 is in half-open half closed state, after recirculated water in external circulation cooling system enters electric T-shaped valve II 12, a part of recirculated water sequentially enters the 4th pipeline 18, hand-operated valve IV 11 cools down to outside cooling fan or cooling tower, recirculated water after cooling again through hand-operated valve III 10 with after the Part II recirculated water of the 3rd pipeline 17 mixes, through filter II 13, electric heater II 2, enter the charger-air cooler of gas machine；
Another road recirculated water of outside cooling fan or cooling tower, after hand-operated valve I 7, filter I 6, enters heat exchanger 5 and carries out heat exchange with interior recirculated water, and the recirculated water completing heat exchange returns outside cooling fan or cooling tower after hand-operated valve II 8.
External gas machine modular cooling device proposed by the invention, instead of the equipment such as the heat exchanger, high-temperature water pump, low temperature water pump and the pipeline that are currently installed on gas machine.The external installation of modular cooling device, decreases the operating power consumption of gas machine, improves the mechanical efficiency of gas machine；Utilize variable-frequency control technique can be automatically adjusted circulating water flow, it is possible to meeting the requirement to cooling water inflow under different operating modes of the different model gas machine, the suitability is good；The modularized design of chiller, it is simple to transport, safeguard, site layout project and installation, meets gas-fired station modularity, engineering construction needs, and versatility is good.
Accompanying drawing explanation
Fig. 1 is the perspective view of the present invention.
Fig. 2 is the system flow chart of the present invention.
In figure: 1, electric water pump II；2, electric heater II；3, electric water pump I；4, electric heater I；5, heat exchanger；6, filter I；7, hand-operated valve I；8, hand-operated valve II；9, electric T-shaped valve I；10, hand-operated valve III；11, hand-operated valve IV；12, electric T-shaped valve II；13, filter II；14, public base, the 15, first pipeline, the 16, second pipeline, the 17, the 3rd pipeline, the 18, the 4th pipeline.
Detailed description of the invention
In conjunction with the drawings and specific embodiments, the present invention is illustrated:
As shown in Figure 1, a kind of external gas machine modular cooling device, include: electric water pump I 3, electric water pump II 1, electric heater I 4, electric heater II 2, heat exchanger 5, filter I 6, filter II 13, hand-operated valve I 7, hand-operated valve II 8, hand-operated valve III 10, hand-operated valve IV 11, electric T-shaped valve 9,12 and public base 14；Described electric water pump II 1, electric water pump 3 I are each attached on public base 14, it is separately mounted on inside and outside circulation main line, power source as inside and outside recirculated water orders about recirculated water flowing, this electric water pump I 3, electric water pump II 1 have frequency control function, the speed of recirculated water flowing can be regulated by the change of frequency, and then change the flow of inside and outside recirculated water, with meet different type of machines under different operating modes internally, the requirement of the outer circulation water yield；Described electric T-shaped valve I 9, electric T-shaped valve II 12 are respectively arranged in two electric water pumps I 3, the export pipeline of electric water pump II 1, for regulating the temperature of inside and outside recirculated water；Described filter I 6, filter II 13 are respectively arranged on two main lines of outer circulation water, filter recirculated water, prevent impurity from blocking circulation waterway；Described electric heater I 4, electric heater II 2 are installed on the main line after corresponding filter, and when effect is to play machine at low ambient temperatures, internal, outer circulation water heats, it is ensured that gas machine normal starting under low temperature environment；Described hand-operated valve I 7, hand-operated valve II 8, hand-operated valve III 10, hand-operated valve IV 11 be separately mounted to into, return cooling tower inside and outside recirculated water branch road on, for each branch road of manual-lock；Described heat exchanger 5 is fixed on public base 14, on a branch road after the electric T-shaped valve I 9 being installed in interior closed circuit, for the heat exchange of water at low temperature with high-temperature water.By Flange joint between each parts of chiller, being combined as an entirety, electric water pump I 3, electric water pump II 1 and heat exchanger 5 on public base, form modular cooling device as three fixed pivots.
This modular cooling device is connected with the water inlet of the inside and outside circulation waterway of gas machine by electric heater I 4, electric heater II 2, and modular cooling device is connected with the water return outlet of the inside and outside circulation waterway of gas machine by electric water pump I 3, the flange-interface of electric water pump II 1.
The cooling means of modular cooling device: as in figure 2 it is shown, in described interior circulating cooling system, high-temperature water, as the power source of interior recirculated water, is pumped into electric T-shaped valve I 9 by electric water pump I 3；Electric T-shaped valve I 9 flows to according to water temperature recycling water formulation, when circulating water temperature is less than 45 DEG C, the A side of electric T-shaped valve I 9 fully opens, and B side completely closes, recirculated water in interior circulating cooling system passes through the first pipeline 15, I 4 times gas machines of electric heater, to reach the purpose of rapid warming-up；When circulating water temperature reaches 45 DEG C, electric heater stops heating；When the circulating water temperature in interior circulating cooling system is higher than 80 DEG C, the A side of electric T-shaped valve I 9 completely closes, B side fully opens, recirculated water in interior circulating cooling system passes through the second pipeline 16, enter heat exchanger 5 and carry out heat exchange, enter gas machine cooling through electric heater I 4 again through overcooled interior recirculated water；When circulating water temperature is less than 80 DEG C higher than 45 DEG C, electric T-shaped valve I 9 is in half-open half closed state, after recirculated water in interior circulating cooling system enters electric T-shaped valve I 9, a part of recirculated water sequentially enters the second pipeline 16, heat exchanger 5 carries out heat exchange, after this part recirculated water mixes with the Part II recirculated water entering the first pipeline 15 after going out heat exchanger 5, through electric heater I 4, enter gas machine；
In external circulation cooling system, water at low temperature, as the power source of outer circulation water, is pumped into electric T-shaped valve II 12 by electric water pump II 1；Electric T-shaped valve II 12 flows to according to water temperature recycling water formulation, when gas machine charge-air temperature is less than 40 DEG C, the C side of electric T-shaped valve II 12 fully opens, D side completely closes, and the recirculated water in external circulation cooling system is by the 3rd pipeline 17, filter II 13, the air cooler of electric heater II 2 entrance gas machine；When gas machine charge-air temperature reaches 40 DEG C, electric heater quits work；When gas machine charge-air temperature is higher than 50 DEG C, the C side of electric T-shaped valve II 12 completely closes, D side fully opens, recirculated water in external circulation cooling system is cooled down to outside cooling fan or cooling tower by the 4th pipeline 18, hand-operated valve IV 11, afterwards through hand-operated valve III 10, filter II 13, the charger-air cooler of electric heater II 2 entrance gas machine, pressurized air is cooled down；When gas machine charge-air temperature is less than 50 DEG C higher than 40 DEG C, electric T-shaped valve II 12 is in half-open half closed state, after recirculated water in external circulation cooling system enters electric T-shaped valve II 12, a part of recirculated water sequentially enters the 4th pipeline 18, hand-operated valve IV 11 cools down to outside cooling fan or cooling tower, recirculated water after cooling again through hand-operated valve III 10 with after the Part II recirculated water of the 3rd pipeline 17 mixes, through filter II 13, electric heater II 2, enter the charger-air cooler of gas machine；
Another road recirculated water of outside cooling fan or cooling tower, after hand-operated valve I 7, filter I 6, enters heat exchanger 5 and carries out heat exchange with interior recirculated water, and the recirculated water completing heat exchange returns outside cooling fan or cooling tower after hand-operated valve II 8.
Claims (2)
1. an external gas machine modular cooling device, includes interior circulating cooling system and external circulation cooling system；It is characterized in that: described interior circulating cooling system includes electric water pump I (3), electric T-shaped valve I (9), the first pipeline (15), the second pipeline (16), heat exchanger (5) and electric heater I (4)；Described electric water pump I (3) is connected with the water return outlet in high temperature circulation water route, and as the power source of interior recirculated water, described electric water pump I (3) connects electric T-shaped valve I (9)；Described electric T-shaped valve I (9) flows to according to water temperature recycling water formulation, and described electric T-shaped valve I (9) is connected with the first pipeline (15), the second pipeline (16) respectively；Described second pipeline (16) connects with heat exchanger (5)；Described electric heater I (4) connects the first pipeline (15) by pipeline and connects with heat exchanger (5), and described electric heater I (4) connects gas machine；
Described external circulation cooling system includes electric water pump II (1), electric T-shaped valve the II (12), the 3rd pipeline (17), the 4th pipeline (18), filter II (13) and electric heater II (2)；Described modular cooling device also has and cools down the recirculated water in external circulation cooling system, and the heat exchanger (5) in inner loop cooling system carries outside cooling fan or the cooling tower of Cooling Water；Described electric water pump II (1) is connected with the water return outlet in outer circulation water route, and as the power source of outer circulation water, described electric water pump II (1) connects electric T-shaped valve II (12)；Described electric T-shaped valve II (12) flows to according to water temperature recycling water formulation, and described electric T-shaped valve II (12) is connected with the 3rd pipeline (17), the 4th pipeline (18) respectively；The 3rd described pipeline (17) is connected with electric heater II (2) by filter II (13), and described the 4th pipeline (18) manually valve IV (11) connects outside cooling fan or cooling tower；Described outside cooling fan or cooling tower manually valve III (10), filter II (13) connect with electric heater II (2), the charger-air cooler of described electric heater II (2) connection gas machine；
Described outside cools down fan or cooling tower and connects with heat exchanger (5) through hand-operated valve I (7), filter I (6), carries out heat exchange with the interior recirculated water entering heat exchanger (5)；The recirculated water outlet of heat exchanger (5) connects outside cooling fan or cooling tower through hand-operated valve II (8)；
Described electric water pump I (3), electric water pump II (1) are each attached on public base (14), and are separately mounted on inside and outside circulation main line, and the power source as inside and outside recirculated water orders about recirculated water flowing；Described electric water pump I (3), electric water pump II (1) have frequency control function, the speed of recirculated water flowing can be regulated by the change of frequency, and then change the flow of inside and outside recirculated water, with meet different type of machines under different operating modes internally, the requirement of the outer circulation water yield；Described electric T-shaped valve I (9), electric T-shaped valve II (12) are respectively arranged in the export pipeline of two electric water pumps, for regulating the temperature of inside and outside recirculated water；Described filter I (6), filter II (13) are respectively arranged on two main lines of outer circulation water, filter recirculated water, prevent impurity from blocking circulation waterway；Described electric heater II (2), electric heater I (4) are installed on the main line after filter, and when effect is to play machine at low ambient temperatures, internal, outer circulation water heats, it is ensured that gas machine normal starting under low temperature environment；Described hand-operated valve I (7), hand-operated valve II (8), hand-operated valve III 1(10) and hand-operated valve IV (11) be separately mounted to into, return on the inside and outside recirculated water branch road of outside cooling fan or cooling tower, for each branch road of manual-lock；Described heat exchanger (5) is fixed on public base (14), is installed in interior circulation waterway on a branch road after electric T-shaped valve I (9), for the heat exchange of water at low temperature with high-temperature water；By Flange joint between each parts of described chiller, being combined as an entirety, described electric water pump II (1), electric water pump I (3) and heat exchanger (5) three fixed pivots of formation, on public base (14), form modular cooling device.
2. the cooling means of the modular cooling device described in claim 1, it is characterised in that: in described interior circulating cooling system, high-temperature water, as the power source of interior recirculated water, is pumped into electric T-shaped valve I (9) by electric water pump I (3)；Electric T-shaped valve I (9) flows to according to water temperature recycling water formulation, when circulating water temperature is less than 45 DEG C, the A side of electric T-shaped valve I (9) fully opens, B side completely closes, recirculated water in interior circulating cooling system returns gas machine, to reach the purpose of rapid warming-up by the first pipeline (15), electric heater I (4)；When circulating water temperature reaches 45 DEG C, electric heater stops heating；When the circulating water temperature in interior circulating cooling system is higher than 80 DEG C, the A side of electric T-shaped valve I (9) completely closes, B side fully opens, recirculated water in interior circulating cooling system passes through the second pipeline (16), enter heat exchanger (5) and carry out heat exchange, enter gas machine through electric heater I (4) again through overcooled interior recirculated water；When circulating water temperature is less than 80 DEG C higher than 45 DEG C, electric T-shaped valve I (9) is in half-open half closed state, after recirculated water in interior circulating cooling system enters electric T-shaped valve I (9), a part of recirculated water sequentially enters the second pipeline (16), heat exchanger (5) carries out heat exchange, this part recirculated water goes out after heat exchanger (5) mixes with the Part II recirculated water entering the first pipeline (15) afterwards, through electric heater I (4), enter gas machine；
In external circulation cooling system, water at low temperature, as the power source of outer circulation water, is pumped into electric T-shaped valve II (12) by electric water pump II (1)；Electric T-shaped valve II (12) flows to according to water temperature recycling water formulation, when gas machine charge-air temperature is less than 40 DEG C, the C side of electric T-shaped valve II (12) fully opens, D side completely closes, and the recirculated water in external circulation cooling system is by the 3rd pipeline (17), filter II (13), the air cooler of electric heater II (2) entrance gas machine；When gas machine charge-air temperature reaches 40 DEG C, electric heater quits work；When gas machine charge-air temperature is higher than 50 DEG C, the C side of electric T-shaped valve II (12) completely closes, D side fully opens, recirculated water in external circulation cooling system is cooled down to outside cooling fan or cooling tower by the 4th pipeline (18), hand-operated valve IV (11), afterwards through hand-operated valve III (10), filter II (13), the charger-air cooler of electric heater II (2) entrance gas machine, pressurized air is cooled down；When gas machine charge-air temperature is less than 50 DEG C higher than 40 DEG C, electric T-shaped valve II (12) is in half-open half closed state, after recirculated water in external circulation cooling system enters electric T-shaped valve II (12), a part of recirculated water sequentially enters the 4th pipeline (18), hand-operated valve IV (11) cools down to outside cooling fan or cooling tower, recirculated water after cooling again through hand-operated valve III (10) with after the Part II recirculated water of the 3rd pipeline (17) mixes, through filter II (13), electric heater II (2), enter the charger-air cooler of gas machine；
Another road recirculated water of outside cooling fan or cooling tower is after hand-operated valve I (7), filter I (6), entering heat exchanger (5) and carry out heat exchange with interior recirculated water, the recirculated water completing heat exchange returns outside cooling fan or cooling tower after hand-operated valve II (8).
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| CN115070017B (en) * | 2022-07-26 | 2022-11-11 | 北京航空航天大学 | Dual-cycle non-delay cooling system of antigravity casting equipment |
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| CN204163832U (en) * | 2014-08-28 | 2015-02-18 | 河南柴油机重工有限责任公司 | A kind of external gas machine modular cooling device |
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| KR20120002675A (en) * | 2010-07-01 | 2012-01-09 | 르노삼성자동차 주식회사 | Cooling water circulation and test apparatus |
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