CN213984093U - -40 ℃ to 200 ℃ full-series-connection closed refrigeration and heating circulation system - Google Patents
-40 ℃ to 200 ℃ full-series-connection closed refrigeration and heating circulation system Download PDFInfo
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- CN213984093U CN213984093U CN202022959758.1U CN202022959758U CN213984093U CN 213984093 U CN213984093 U CN 213984093U CN 202022959758 U CN202022959758 U CN 202022959758U CN 213984093 U CN213984093 U CN 213984093U
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Abstract
The utility model discloses a-40-200 ℃ full-series-connection closed refrigeration and heating circulation system, which comprises a secondary refrigerant circulation system and a refrigeration system; the secondary refrigerant circulating system is a serial loop consisting of an external reactor, a gas-liquid separator, a circulating pump, a heat exchanger and a heater; the liquid inlet of the circulating pump is communicated with the liquid outlet of the external reactor through the gas-liquid separator, and the liquid outlet of the circulating pump is communicated with the liquid inlet of the external reactor through the cold carrying channel of the heat exchanger and the shell pass of the heater. The utility model has the advantages that the full series connection secondary refrigerant circulating system is adopted, so the internal circulation tube pass of the equipment is short, and the required secondary refrigerant is small in capacity. Meanwhile, the heat exchanger of the refrigerating system directly carries out heat exchange and cooling on the high-temperature medium with the temperature of 200 ℃, and the refrigerating system cannot generate an overload phenomenon. And the refrigerating system can automatically adjust the return liquid temperature of the refrigerating system according to the change of the load temperature so as to ensure that the overload phenomenon does not occur on the refrigerating compressor.
Description
Technical Field
The utility model relates to a refrigeration and heating circulation system especially relates to-40 ~200 ℃ airtight refrigeration and heating circulation system of full series connection.
Background
At present, a coolant circulating system for an experimental instrument mostly adopts a parallel multi-loop system, so that the defects of long system pipe path, uneven shunt of pipelines of each parallel loop and large temperature regulating deviation exist. Meanwhile, the phenomenon of overload or damage easily occurs when the heat exchanger of the refrigerating system is cooled at 200 ℃, and the compressor of the refrigerating system is easily overloaded or damaged due to the fact that the return air temperature of the refrigerating system is too high without safety measures.
Disclosure of Invention
The utility model aims at providing a-40 ~200 ℃ full-series-connection airtight refrigeration heating circulation system.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model discloses a-40 ℃ -200 ℃ full-series-connection closed refrigeration and heating circulation system, which comprises a secondary refrigerant circulation system and a refrigeration system; the secondary refrigerant circulating system is a serial loop consisting of an external reactor, a gas-liquid separator, a circulating pump, a heat exchanger and a heater; the liquid inlet of the circulating pump is communicated with the liquid outlet of the external reactor through the gas-liquid separator, and the liquid outlet of the circulating pump is communicated with the liquid inlet of the external reactor through the cold carrying channel of the heat exchanger and the shell pass of the heater.
The refrigerating system comprises a refrigerating compressor, an outlet of the refrigerating compressor is communicated with a dry filter through a condenser, and an outlet of the dry filter is divided into two paths to be output: one path is communicated with a first channel of the return air heat exchanger through a return air cooling electromagnetic valve, and an outlet of the first channel of the return air heat exchanger is communicated with an inlet of a second channel of the return air heat exchanger through a pipeline; and the other path is communicated with the inlet of the refrigeration compressor through a capillary tube, a refrigerant channel of the heat exchanger and a second channel of the air return heat exchanger.
The utility model has the advantages that the full series connection secondary refrigerant circulating system is adopted, so the internal circulation tube pass of the equipment is short, and the required secondary refrigerant is small in capacity. Meanwhile, the heat exchanger of the refrigerating system directly carries out heat exchange and cooling on the high-temperature medium with the temperature of 200 ℃, and the refrigerating system cannot generate an overload phenomenon. And the refrigerating system can automatically adjust the return liquid temperature of the refrigerating system according to the change of the load temperature so as to ensure that the overload phenomenon does not occur on the refrigerating compressor.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, the full-series-connection closed refrigeration and heating cycle system of-40 ℃ to 200 ℃ of the present invention comprises a secondary refrigerant cycle system and a refrigeration system; the secondary refrigerant circulating system comprises a circulating pump 10, a liquid inlet of the circulating pump 10 is respectively communicated with a liquid outlet of the expansion tank 13 and a liquid outlet of the external reactor 14 through a gas-liquid separator 9, a liquid outlet of the circulating pump 10 is communicated with a liquid inlet of the external reactor 14 through a secondary refrigerant channel of the heat exchanger 5 and a shell pass of the heater 11, and a temperature detecting sensor 12 is installed on a pipeline of the liquid inlet of the external reactor 14 and used for detecting the temperature of the secondary refrigerant flowing into the external reactor 14.
The refrigerating system comprises a refrigerating compressor 1, an outlet of the refrigerating compressor 1 is communicated with a drying filter 3 through a condenser 2, and an outlet of the drying filter 3 is divided into two paths to be output: one path is communicated with a first channel of a return air heat exchanger 7 through a return air cooling electromagnetic valve 6, and a first channel outlet of the return air heat exchanger 7 is communicated with a second channel inlet of the return air heat exchanger 7 through a pipeline 7.1; the other path is communicated with the inlet of the refrigeration compressor 1 through a capillary tube 4, a refrigerant channel of a heat exchanger 5 and a second channel of an air return heat exchanger 7, and an air return temperature sensor 8 is arranged on a liquid return pipeline of the refrigeration compressor 1 and used for detecting the temperature of a refrigerant at the inlet of the refrigeration compressor 1.
When the utility model works, when the 14 high temperature of the external reactor is 200 ℃ and needs to be cooled, the refrigerating system works; when the detection value of the return air temperature sensor 8 exceeds 30 ℃, the return air cooling electromagnetic valve 6 works, and the high-temperature refrigerant flowing out from the first channel of the return air heat exchanger 7 and the refrigerant channel of the heat exchanger 5 exchanges heat in the return air heat exchange refrigeration 7 and then flows into the return liquid pipeline of the refrigeration compressor 1, so that the inlet temperature of the refrigeration compressor 1 is not higher than 30 ℃, and the aim of normally and rapidly cooling the refrigeration system is fulfilled.
Claims (1)
1. A-40-200 ℃ full-series closed refrigeration and heating circulation system comprises a secondary refrigerant circulation system and a refrigeration system; the method is characterized in that: the secondary refrigerant circulating system is a serial loop consisting of an external reactor, a gas-liquid separator, a circulating pump, a heat exchanger and a heater; the liquid inlet of the circulating pump is communicated with the liquid outlet of the external reactor through the gas-liquid separator, and the liquid outlet of the circulating pump is communicated with the liquid inlet of the external reactor through the cold carrying channel of the heat exchanger and the shell pass of the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959758.1U CN213984093U (en) | 2020-12-12 | 2020-12-12 | -40 ℃ to 200 ℃ full-series-connection closed refrigeration and heating circulation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022959758.1U CN213984093U (en) | 2020-12-12 | 2020-12-12 | -40 ℃ to 200 ℃ full-series-connection closed refrigeration and heating circulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213984093U true CN213984093U (en) | 2021-08-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022959758.1U Active CN213984093U (en) | 2020-12-12 | 2020-12-12 | -40 ℃ to 200 ℃ full-series-connection closed refrigeration and heating circulation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213984093U (en) |
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2020
- 2020-12-12 CN CN202022959758.1U patent/CN213984093U/en active Active
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