CN113237244A - Multi-evaporator hot-defrosting direct-cooling refrigeration system - Google Patents
Multi-evaporator hot-defrosting direct-cooling refrigeration system Download PDFInfo
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- CN113237244A CN113237244A CN202110502710.4A CN202110502710A CN113237244A CN 113237244 A CN113237244 A CN 113237244A CN 202110502710 A CN202110502710 A CN 202110502710A CN 113237244 A CN113237244 A CN 113237244A
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- evaporator
- pipeline
- compressor
- inlet end
- refrigeration system
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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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
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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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Defrosting Systems (AREA)
Abstract
The invention relates to a multi-evaporator hot-frost-melting direct-cooling refrigeration system which comprises a compressor, a first pipeline, a condenser, a first filter, a capillary tube, a first evaporator, a gas-liquid separator, a second evaporator, a liquid storage device, a second pipeline and a third pipeline, wherein the first pipeline is connected with the condenser; the air outlet end of the compressor is connected with a first pipeline; a condenser, a first filter, a capillary tube, a first evaporator, a gas-liquid separator, a second evaporator and a liquid storage device are sequentially arranged on the first pipeline from the air inlet end; the air outlet end of the first pipeline is connected with the air inlet end of the compressor; the air outlet end of the compressor is connected with the air inlet end of the first evaporator and provided with a second pipeline; a third pipeline is connected and installed between the air inlet end of the compressor and the gas-liquid separator; the multi-evaporator hot-melt frost direct-cooling refrigeration system has the advantages of good hot-melt frost effect, high heat utilization rate of the compressor and capability of independently and separately defrosting by adopting a double-evaporator refrigeration system.
Description
Technical Field
The invention belongs to the technical field related to refrigeration defrosting systems, and particularly relates to a multi-evaporator hot defrosting direct cooling refrigeration system.
Background
In a refrigeration system, after an evaporator operates for a long time, a large amount of frost is generated in the evaporator, meanwhile, a compressor does work to generate a large amount of heat, in order to utilize the heat, the compressor and the evaporator are generally connected together through a pipeline, and the frost in the evaporator is removed by utilizing the heat generated by the compressor. In the prior industry, hot defrosting needs high-temperature and high-pressure refrigerant steam compressed by a compressor to pass through the whole low-temperature pipeline, so that the waste of the existing heat is caused, and the defrosting effect of an evaporator is not obvious; the equipment in the industry mostly adopts the refrigerating system of single evaporimeter, and to single evaporimeter hot defrosting formula system, indoor freezing stores up article and need all shift during the defrosting, and then extravagant a large amount of manpower and materials, and single evaporimeter refrigeration defrosting simultaneously needs arrange the great reservoir of volume at the evaporimeter end, produces compressor liquid impact scheduling problem easily during defrosting.
Disclosure of Invention
The invention aims to provide a multi-evaporator hot-melt frost direct-cooling refrigeration system which has good hot-melt frost effect and high heat utilization rate of a compressor and can independently and separately defrost by adopting a double-evaporator refrigeration system.
In order to achieve the purpose, the invention provides the following technical scheme: a multi-evaporator hot-frost direct-cooling refrigeration system comprises a compressor, a first pipeline, a condenser, a first filter, a capillary tube, a first evaporator, a gas-liquid separator, a second evaporator, a liquid storage device, a second pipeline and a third pipeline; the air outlet end of the compressor is connected with a first pipeline; a condenser, a first filter, a capillary tube, a first evaporator, a gas-liquid separator, a second evaporator and a liquid storage device are sequentially arranged on the first pipeline from the air inlet end; the air outlet end of the first pipeline is connected with the air inlet end of the compressor; the air outlet end of the compressor is connected with the air inlet end of the first evaporator and provided with a second pipeline; and a third pipeline is connected and installed between the air inlet end of the compressor and the gas-liquid separator.
As a further improvement of the invention, a second filter and a first electromagnetic valve are arranged on the second pipeline in sequence from the air inlet end.
As a further improvement of the present invention, a second electromagnetic valve is mounted on the third pipeline.
As a further improvement of the present invention, the first evaporator and the second evaporator are evaporators having the same specification and model.
Compared with the prior art, the invention has the beneficial effects that: according to the technical scheme, the evaporator is defrosted by using heat generated by the compressor, so that resources can be secondarily utilized, and the environmental protection and energy conservation of equipment are improved; the technical scheme is provided with the first evaporator and the second evaporator, and the double evaporators are adopted for refrigeration, so that the damage of one evaporator can be avoided, the normal operation of equipment is prevented from being influenced, the fault tolerance rate of the equipment is improved, one evaporator can be independently defrosted, the other evaporator is refrigerated, and the normal operation of the equipment is ensured; according to the technical scheme, the second pipeline and the third pipeline are arranged on the first pipeline, and heat generated by the compressor can be directly conveyed into the first evaporator and the second evaporator through the second pipeline and the third pipeline, so that heat loss caused by the heat generated by the compressor when passing through a refrigeration pipeline is avoided, and further the defrosting effect is influenced; the first electromagnetic valve and the second electromagnetic valve are respectively arranged on the second pipeline and the third pipeline, so that circulating heat can be opened or closed in real time.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a compressor; 2. a first conduit; 3. a condenser; 4. a first filter; 5. a capillary tube; 6. a first evaporator; 7. a gas-liquid separator; 8. a second evaporator; 9. a reservoir; 10. a second conduit; 11. a third pipeline; 12. a second filter; 13. a first solenoid valve; 14. a second solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a multi-evaporator hot-frost direct-cooling refrigeration system comprises a compressor 1, a first pipeline 2, a condenser 3, a first filter 4, a capillary tube 5, a first evaporator 6, a gas-liquid separator 7, a second evaporator 8, a liquid storage device 9, a second pipeline 10 and a third pipeline 11; the air outlet end of the compressor 1 is connected with a first pipeline 2; the condenser 3, the first filter 4, the capillary tube 5, the first evaporator 6, the gas-liquid separator 7, the second evaporator 8 and the liquid storage device 9 are sequentially arranged on the first pipeline 2 from the gas inlet end; the air outlet end of the first pipeline 2 is connected with the air inlet end of the compressor 1; the air outlet end of the compressor 1 is connected with the air inlet end of the first evaporator 6 and is provided with a second pipeline 10; a third pipeline 11 is connected and installed between the air inlet end of the compressor 1 and the gas-liquid separator 7; a second filter 12 and a first electromagnetic valve 13 are sequentially arranged on the second pipeline 10 from the air inlet end; a second electromagnetic valve 14 is arranged on the third pipeline 11; the first evaporator 6 and the second evaporator 8 are evaporators with the same specification and model.
The working principle and the using process of the invention are as follows: when the first evaporator 6 and the second evaporator 8 need to be defrosted simultaneously, the first electromagnetic valve 13 is opened, the second electromagnetic valve 14 is closed, and at this time, heat generated by the compressor 1 passes through the second filter 12, the first electromagnetic valve 13, the first evaporator 6, the gas-liquid separator 7, the second evaporator 8 and the liquid accumulator 9 in sequence and finally flows back to the compressor 1; when the first evaporator 6 needs to be defrosted independently, the first electromagnetic valve 13 and the second electromagnetic valve 14 are opened simultaneously, and at this time, heat generated by the compressor 1 passes through the second filter 12, the first electromagnetic valve 13, the first evaporator 6, the gas-liquid separator 7 and the second electromagnetic valve 14 in sequence, and finally flows back to the compressor 1; when the equipment needs to be cooled, the first electromagnetic valve 13 and the second electromagnetic valve 14 are closed at the same time, and then the equipment starts to be cooled.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a multiple evaporator hot defrosting directly cools off refrigerating system which characterized in that: the device comprises a compressor (1), a first pipeline (2), a condenser (3), a first filter (4), a capillary tube (5), a first evaporator (6), a gas-liquid separator (7), a second evaporator (8), a liquid storage device (9), a second pipeline (10) and a third pipeline (11); the air outlet end of the compressor (1) is connected with a first pipeline (2); a condenser (3), a first filter (4), a capillary tube (5), a first evaporator (6), a gas-liquid separator (7), a second evaporator (8) and a liquid storage device (9) are sequentially arranged on the first pipeline (2) from the gas inlet end; the air outlet end of the first pipeline (2) is connected with the air inlet end of the compressor (1); the air outlet end of the compressor (1) is connected with the air inlet end of the first evaporator (6) and is provided with a second pipeline (10); and a third pipeline (11) is connected and installed between the air inlet end of the compressor (1) and the gas-liquid separator (7).
2. The multiple evaporator hot melt direct cold refrigeration system as claimed in claim 1, wherein: and a second filter (12) and a first electromagnetic valve (13) are sequentially arranged on the second pipeline (10) from the air inlet end.
3. The multiple evaporator hot melt direct cold refrigeration system as claimed in claim 1, wherein: and a second electromagnetic valve (14) is arranged on the third pipeline (11).
4. The multiple evaporator hot melt direct cold refrigeration system as claimed in claim 1, wherein: the first evaporator (6) and the second evaporator (8) are evaporators with the same specification and model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502710.4A CN113237244A (en) | 2021-05-09 | 2021-05-09 | Multi-evaporator hot-defrosting direct-cooling refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110502710.4A CN113237244A (en) | 2021-05-09 | 2021-05-09 | Multi-evaporator hot-defrosting direct-cooling refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113237244A true CN113237244A (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110502710.4A Pending CN113237244A (en) | 2021-05-09 | 2021-05-09 | Multi-evaporator hot-defrosting direct-cooling refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113237244A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202141264U (en) * | 2011-06-07 | 2012-02-08 | 杭州凯利不锈钢厨房设备有限公司 | Energy storage and conversion device |
| CN208254030U (en) * | 2018-03-14 | 2018-12-18 | 上海源知环境科技股份有限公司 | A kind of cryogenic refrigeration systems using environmentally friendly refrigerant R448A |
-
2021
- 2021-05-09 CN CN202110502710.4A patent/CN113237244A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202141264U (en) * | 2011-06-07 | 2012-02-08 | 杭州凯利不锈钢厨房设备有限公司 | Energy storage and conversion device |
| CN208254030U (en) * | 2018-03-14 | 2018-12-18 | 上海源知环境科技股份有限公司 | A kind of cryogenic refrigeration systems using environmentally friendly refrigerant R448A |
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Application publication date: 20210810 |