CN213353430U - Dual cooling system of mould temperature machine - Google Patents
Dual cooling system of mould temperature machine Download PDFInfo
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- CN213353430U CN213353430U CN202022126814.3U CN202022126814U CN213353430U CN 213353430 U CN213353430 U CN 213353430U CN 202022126814 U CN202022126814 U CN 202022126814U CN 213353430 U CN213353430 U CN 213353430U
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Abstract
The application discloses dual cooling system of mould temperature machine relates to mould temperature machine technical field. Technical scheme is a dual cooling system of mould temperature machine, includes for the refrigerant flow provide power first compressor, plate condenser, first drier-filter, first expansion valve and first plate evaporator, the refrigerant certainly first compressor flow through plate condenser in proper order first drier-filter first expansion valve with first plate evaporator flows back again first compressor, and the cooling water flows through plate condenser is in order to cool down the refrigerant, and the conduction oil flows through first plate evaporator is in order to be cooled down, and the refrigerant warp still flow through there is the second cooling body after the plate condenser is first cooling down. This application is rational in infrastructure, can cool off the conduction oil steadily.
Description
Technical Field
The application relates to the technical field of mold temperature controllers, in particular to a dual cooling system of a mold temperature controller.
Background
The mold temperature controller is also called as mold temperature controller, and is widely applied to various industries such as plastic molding, light guide plate die casting, rubber tires, rollers, chemical reaction kettles, bonding, banburying and the like. In a broad aspect, the device is called a temperature control device, and comprises temperature control of heating and freezing.
The working principle is as follows: the pipeline of the mold temperature controller is connected with the oil passage of the mold to form a loop, and the heat conducting oil circulates under the action of the pump. The temperature sensor transmits data to the control system, automatically adjusts heating/cooling action and controls the temperature of the heat-conducting oil.
A novel dual cooling system of a mold temperature controller is provided.
SUMMERY OF THE UTILITY MODEL
In order to cool down the conduction oil steadily, this application provides a dual cooling system of mould temperature machine.
The application provides a dual cooling system of mould temperature machine adopts following scheme:
the utility model provides a dual cooling system of mould temperature machine, includes for the refrigerant flow provide power first compressor, plate condenser, first drier-filter, first expansion valve and first plate evaporator, the refrigerant certainly first compressor flow through plate condenser in proper order first drier-filter first expansion valve with first plate evaporator flows back again first compressor, and the cooling water flows through plate condenser is in order to cool down the refrigerant, and the conduction oil flows through first plate evaporator is in order to be cooled down, and the refrigerant warp still flow through there is the second cooling body after the first cooling of plate condenser.
By adopting the scheme, the refrigerant is cooled by cooling water at the plate-type condenser for the first time, then cooled by the second cooling mechanism for the second time, and then flows to the plate-type evaporator, and the heat-conducting oil flows through the plate-type evaporator and is cooled by the refrigerant.
The application is further configured to: the second cooling mechanism comprises a second compressor, a second drying filter, a second expansion valve and a second plate evaporator, wherein the second compressor provides power for the flowing of a refrigerant, the refrigerant flows through the plate condenser, the second drying filter, the second expansion valve and the second plate evaporator in sequence from the second compressor, and the refrigerant for cooling the heat conduction oil flows through the second plate evaporator after being output by the plate condenser so as to be cooled for the second time.
By adopting the scheme, the refrigerant for cooling the heat conduction oil is cooled for the first time at the plate type condenser and then flows to the second plate type evaporator for the second time.
The application is further configured to: the refrigerant flows through the first oil separator when flowing from the first compressor to the plate condenser, the oil discharge end of the first oil separator is communicated with the refrigerant input end of the first compressor, the refrigerant also flows through the second oil separator when flowing from the second compressor to the plate condenser, and the oil discharge end of the second oil separator is communicated with the refrigerant input end of the second compressor.
By adopting the scheme, when the compressor discharges high-temperature and high-pressure gas, oil particles in the compressor are easily taken out, and the oil separator is arranged to separate the oil particles in the steam and input the oil particles back into the compressor again.
The application is further configured to: when the refrigerant flows back to the first compressor from the first plate evaporator, the refrigerant also flows through a first gas separator, and when the refrigerant flows back to the second compressor from the second plate evaporator, the refrigerant also flows through a second gas separator.
By adopting the scheme, the heat-conducting oil is cooled at the plate-type evaporator by the refrigerant, the refrigerant is partially liquefied, the vapor and the liquid of the refrigerant are mixed at the moment, and the gas separator is arranged for separation.
The application is further configured to: and when the refrigerant flows back to the first compressor from the first gas separator, the refrigerant also flows through the plate heat exchanger, flows to the second expansion valve from the second dry filter in a time division manner, flows through the plate heat exchanger for heat exchange, and then flows to the refrigerant input end of the second compressor.
By adopting the scheme, the refrigerant is too high in temperature and is easy to take out oil in the compressor, so that the refrigerant heated by the heat conduction oil is cooled by the refrigerant in the second cooling mechanism.
The application is further configured to: and the refrigerant flowing from the plate heat exchanger to the second compressor is converged with the refrigerant flowing out of the second gas separator before flowing into the second compressor.
By adopting the scheme, the normal work of the compressor can be influenced by the excessively low temperature of the refrigerant, so that the refrigerant heated at the plate heat exchanger is converged with the refrigerant flowing out of the second gas separator, and the phenomenon that the normal work of the second compressor is influenced by the excessively low temperature of the refrigerant in the second cooling mechanism is avoided.
The application is further configured to: and the refrigerant is shunted when flowing to the first expansion valve from the first dry filter, sequentially flows through a liquid spraying electromagnetic valve and a capillary tube, and then flows back to the first compressor.
By adopting the scheme, protective shutdown can occur when the exhaust temperature of the compressor is too high, and the aim of liquid spraying is to reduce the exhaust temperature of the compressor.
The application is further configured to: and the refrigerant inlet and outlet ends of the first compressor and the second compressor are provided with a low-pressure switch and a pressure gauge.
By adopting the scheme, the low-pressure switch is arranged, and the pressure in the system is controlled within a rated range.
The application is further configured to: one side of each of the first oil separator, the first gas separator, the second oil separator and the second gas separator is provided with a straight-through pipe which directly communicates refrigerant inlet and outlet pipes of the first oil separator, the first gas separator, the second oil separator and the second gas separator, a three-way pipe is arranged at the joint of the straight-through pipe and an original pipeline, and valves are arranged on branch pipes of the three-way pipe.
By adopting the scheme, when the oil separator and the gas separator are not needed, the valve on the three-way pipe can be correspondingly opened, so that the refrigerant does not pass through the oil separator and the gas separator.
The application is further configured to: the refrigerant flows through a thermometer after being output by the plate condenser, and a flow regulating valve of cooling water is arranged at the cooling water inlet end of the plate condenser.
By adopting the scheme, the temperature of the cooled refrigerant is adjusted by adjusting the flow rate of the cooling water.
In summary, the present application has the following beneficial effects: the heat transfer oil can be stably cooled.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment.
Reference numerals: 1. a first compressor; 2. a plate condenser; 3. a first dry filter; 4. a first expansion valve; 5. a first plate evaporator; 6. a second cooling mechanism; 7. a second compressor; 8. a second dry filter; 9. a second expansion valve; 10. a second plate evaporator; 11. a first oil separator; 12. a second oil separator; 13. a first gas separator; 14. a second gas separator; 15. a plate heat exchanger; 16. a liquid spraying electromagnetic valve; 17. a capillary tube; 18. a low pressure switch; 19. a pressure gauge; 20. a straight-through pipe; 21. a three-way pipe; 22. a thermometer; 23. a flow regulating valve.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses a dual cooling system of a mold temperature controller, as shown in fig. 1, comprising a first compressor 1 for providing power for a refrigerant, a plate condenser 2 for cooling by the refrigerant flowing through, a first dry filter 3 for filtering impurities in the refrigerant, a first expansion valve 4 for throttling the refrigerant with high temperature and high pressure into low temperature and low pressure steam, a first plate evaporator 5 for the refrigerant passing through absorbing heat, wherein the refrigerant flows through the plate condenser 2 in sequence after being compressed by the first compressor 1 to provide power, cooling water flows through the plate condenser 2 to condense the refrigerant for first cooling, the refrigerant flows through the first dry filter 3 to filter the impurities in the refrigerant, then flows through the first expansion valve 4, and the refrigerant with high temperature and high pressure is throttled into low temperature and low pressure wet steam by the action of the first expansion valve 4, the refrigerant flows to the first plate-type evaporator 5, the heat conduction oil needing to be cooled also flows through the first plate-type evaporator 5, the refrigerant cools the heat conduction oil flowing through the first plate-type evaporator 5, and the refrigerant circularly flows back to the first compressor 1 after cooling the heat conduction oil.
In addition, the refrigerant is cooled and cooled for the first time by the plate condenser 2 and then flows through a second cooling mechanism 6, the second cooling mechanism 6 comprises a second compressor 7 for providing power for the flow of the refrigerant, a second drying filter 8 for filtering impurities in the refrigerant, a second expansion valve 9 for throttling the high-temperature and high-pressure refrigerant into low-temperature and low-pressure steam, and a second plate evaporator 10 for absorbing heat of the refrigerant, the refrigerant is compressed by the second compressor 7 for providing power and then sequentially flows through the plate condenser 2, the cooling water flows through the plate condenser 2 for cooling the refrigerant, the refrigerant flows through the second drying filter 8 again, the impurities in the refrigerant are filtered by the second drying filter 8, then flows through the second expansion valve 9, and the high-temperature and high-pressure refrigerant is throttled into low-temperature and low-pressure steam by the action of the second expansion valve 9, the refrigerant flows to the second plate-type evaporator 10, the refrigerant for cooling the heat transfer oil also flows through the second plate-type evaporator 10, the refrigerant for cooling the heat transfer oil is cooled for the second time, and the refrigerant in the second cooling mechanism 6 circularly flows back to the second compressor 7 after cooling the refrigerant in the other system.
In more detail, the refrigerant flows through the first oil separator 11 when flowing from the first compressor 1 to the plate condenser 2, the oil discharge end of the first oil separator 11 is communicated with the refrigerant input end of the first compressor 1, the refrigerant flows through the second oil separator 12 when flowing from the second compressor 7 to the plate condenser 2, and the oil discharge end of the second oil separator 12 is communicated with the refrigerant input end of the second compressor 7; when the refrigerant flows back to the first compressor 1 from the first plate evaporator 5, the refrigerant also flows through a first gas separator 13, and when the refrigerant flows back to the second compressor 7 from the second plate evaporator 10, the refrigerant also flows through a second gas separator 14; when the refrigerant flows back to the first compressor 1 from the first gas separator 13, the refrigerant also flows through the plate heat exchanger 15, flows from the second dry filter 8 to the second expansion valve 9, is subjected to time division and flows through the plate heat exchanger 15 to exchange heat, and then flows to the refrigerant input end of the second compressor 7, so that the refrigerant for cooling the heat conduction oil can be cooled; when flowing to the first expansion valve 4 from the first dry filter 3, the refrigerant is shunted and flows through the liquid injection solenoid valve 16 and the capillary 17 in sequence, and then flows back to the first compressor 1; a low pressure switch 18 and a pressure gauge 19 are further provided at the refrigerant inlet and outlet ends of the first compressor 1 and the second compressor 7.
So, the unified order is: cooling heat conducting oil, namely, firstly, providing power by compressing a refrigerant through a first compressor 1, wherein a low-pressure switch 18 and a pressure gauge 19 are arranged on a flow pipeline of the refrigerant after the refrigerant is output from the first compressor 1, the pressure in the refrigerant is controlled within a certain range by the low-pressure switch 18, then, the refrigerant flows through a first oil separator 11, oil particles in the refrigerant are separated by the first oil separator 11, the separated oil particles are conveyed back to the first compressor 1 through an oil discharge end of the first oil separator 11, the refrigerant flowing out of the first oil separator 11 flows to a plate type condenser 2, cooling water also flows through the plate type condenser 2, the refrigerant flowing through the plate type condenser 2 is cooled through condensation, the refrigerant flowing out of the plate type condenser 2 flows through a second plate type evaporator 10 for second cooling and then flows to the first drying filter 3, impurities in the refrigerant are filtered by a second drying filter 8, the refrigerant flowing out of the first drying filter 3 flows through the first expansion valve 4 again, the low-temperature and high-pressure refrigerant becomes low-temperature and low-pressure wet steam through the throttling action of the first expansion valve 4, the low-temperature and low-pressure refrigerant flows to the first plate evaporator 5 again, the heat conducting oil also flows through the first plate evaporator 5, the refrigerant cools the heat conducting oil at the first plate evaporator 5, the temperature of the refrigerant rises at the moment, then the refrigerant flows to the first gas separator 13 and is subjected to gas-liquid separation by the first gas separator 13, the separated refrigerant flows to the plate heat exchanger 15 again, the refrigerant cooled by the plate condenser 2 in the second cooling mechanism 6 also flows through the plate heat exchanger 15 to cool the refrigerant after heat exchange with the heat conducting oil, the temperature of the refrigerant is not high, and a low-pressure switch 18 and a pressure gauge 19 are arranged on a flow pipeline of the cooled refrigerant, finally, the refrigerant flows back to the first compressor 1, thereby completing one cycle.
The sequence in the second cooling mechanism 6 is then: the refrigerant is compressed by the second compressor 7 to provide power, the refrigerant is output from the second compressor 7, a low-pressure switch 18 and a pressure gauge 19 are arranged on a flow pipeline of the refrigerant, the pressure in the refrigerant is controlled within a certain range by the low-pressure switch 18, then the refrigerant flows through the second oil separator 12, oil particles in the refrigerant are separated by the second oil separator 12, the separated oil particles are conveyed back to the second compressor 7 through an oil discharge end of the second oil separator 12, the refrigerant flowing out of the second oil separator 12 flows to the plate condenser 2 again, cooling water also flows through the plate condenser 2, the refrigerant flowing through the plate condenser 2 is cooled by condensation, the refrigerant flowing out of the plate condenser 2 flows through the second plate evaporator 10 to cool the refrigerant in another cycle, and the refrigerant flows from the second drying filter 8 to the second plate evaporator 10, is divided and flows to the plate heat exchanger 15 to cool the refrigerant in another cycle and then circulates again And the refrigerant flows back to the second compressor 7, flows to the second gas separator 14 after flowing out of the second plate evaporator 10, is subjected to gas-liquid separation by the second gas separator 14 and then is converged with the refrigerant flowing out of the plate heat exchanger 15, a low-pressure switch 18 and a pressure gauge 19 are arranged on a flow pipeline of the converged refrigerant, and finally the refrigerant flows back to the second compressor 7, so that a cycle is completed.
In addition, a straight pipe 20 for directly communicating a refrigerant inlet pipe and a refrigerant outlet pipe of the first oil separator 11, the first gas separator 13, the second oil separator 12 and the second gas separator 14 is arranged on one side of the first oil separator, a three-way pipe 21 is arranged at the joint of the straight pipe 20 and an original pipeline, valves are arranged on branch pipes of the three-way pipe 21, and the refrigerant can not flow through the gas separators and the oil separators by arranging the valves on the regulating three-way pipes 21, so that the gas separators and the oil separators can be conveniently dismounted for cleaning and maintenance.
A thermometer 22 is provided on a transfer pipe of the refrigerant after flowing out of the plate condenser 2 to measure the temperature of the refrigerant, and a flow rate adjusting valve 23 of cooling water is provided on a cooling water inlet end of the plate condenser 2, the flow rate adjusting valve 23 of cooling water is adjusted according to the temperature of the refrigerant measured by the thermometer 22, so that the refrigerant is cooled to be within a proper temperature range.
The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.
Claims (10)
1. The utility model provides a dual cooling system of mould temperature machine which characterized in that: including for the refrigerant flow provide power first compressor (1), plate condenser (2), first drier-filter (3), first expansion valve (4) and first plate evaporator (5), the refrigerant certainly first compressor (1) flows through plate condenser (2) in proper order first drier-filter (3) first expansion valve (4) with first plate evaporator (5) flow back again first compressor (1), and the cooling water flows through plate condenser (2) is in order to cool down the refrigerant, and the conduction oil flows through first plate evaporator (5) is in order to be cooled down, and the refrigerant warp still flow through second cooling mechanism (6) after plate condenser (2) first cooling.
2. The dual cooling system of a mold temperature machine of claim 1, wherein: the second cooling mechanism (6) comprises a second compressor (7), a second dry filter (8), a second expansion valve (9) and a second plate evaporator (10) which provide power for the flowing of refrigerant, the refrigerant flows through the second compressor (7) in sequence from the plate condenser (2), the second dry filter (8), the second expansion valve (9) and the second plate evaporator (10), and the refrigerant which cools the heat conducting oil flows through the plate condenser (2) after being output from the second plate evaporator (10) for secondary cooling.
3. The dual cooling system of a mold temperature machine according to claim 2, wherein: when flowing to the plate condenser (2) from the first compressor (1), the refrigerant also flows through a first oil separator (11), an oil discharge end of the first oil separator (11) is communicated with a refrigerant input end of the first compressor (1), when flowing to the plate condenser (2) from the second compressor (7), the refrigerant also flows through a second oil separator (12), and an oil discharge end of the second oil separator (12) is communicated with a refrigerant input end of the second compressor (7).
4. The dual cooling system of a mold temperature machine according to claim 3, wherein: when the refrigerant flows back to the first compressor (1) from the first plate evaporator (5), the refrigerant also flows through a first gas separator (13), and when the refrigerant flows back to the second compressor (7) from the second plate evaporator (10), the refrigerant also flows through a second gas separator (14).
5. The dual cooling system of a mold temperature machine according to claim 4, wherein: when the refrigerant flows back to the first compressor (1) from the first gas separator (13), the refrigerant also flows through a plate heat exchanger (15), flows through the plate heat exchanger (15) when flowing to the second expansion valve (9) from the second drying filter (8) for heat exchange, and then flows to the refrigerant input end of the second compressor (7).
6. The dual cooling system of a mold temperature machine according to claim 5, wherein: the refrigerant flowing from the plate heat exchanger (15) to the second compressor (7) is converged with the refrigerant flowing out of the second gas separator (14) before flowing into the second compressor (7).
7. The dual cooling system of a mold temperature machine of claim 1, wherein: when flowing to the first expansion valve (4) from the first dry filter (3), the refrigerant is shunted and flows through a liquid spray solenoid valve (16) and a capillary tube (17) in sequence, and then flows back to the first compressor (1).
8. The dual cooling system of a mold temperature machine according to claim 2, wherein: and the refrigerant inlet and outlet ends of the first compressor (1) and the second compressor (7) are provided with a low-pressure switch (18) and a pressure gauge (19).
9. The dual cooling system of a mold temperature machine according to claim 4, wherein: one side of each of the first oil separator (11), the first gas separator (13), the second oil separator (12) and the second gas separator (14) is provided with a straight pipe (20) which directly communicates refrigerant inlet and outlet pipes, a three-way pipe (21) is arranged at the joint of the straight pipe (20) and an original pipeline, and each branch pipe of the three-way pipe (21) is provided with a valve.
10. The dual cooling system of a mold temperature machine of claim 1, wherein: the refrigerant flows through a thermometer (22) after being output from the plate condenser (2), and a flow regulating valve (23) of cooling water is arranged at the cooling water inlet end of the plate condenser (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022126814.3U CN213353430U (en) | 2020-09-24 | 2020-09-24 | Dual cooling system of mould temperature machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022126814.3U CN213353430U (en) | 2020-09-24 | 2020-09-24 | Dual cooling system of mould temperature machine |
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| Publication Number | Publication Date |
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| CN213353430U true CN213353430U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022126814.3U Active CN213353430U (en) | 2020-09-24 | 2020-09-24 | Dual cooling system of mould temperature machine |
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| CN (1) | CN213353430U (en) |
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- 2020-09-24 CN CN202022126814.3U patent/CN213353430U/en active Active
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