CN213955675U - Multi-temperature-zone refrigerating system is with connecting in parallel unit of breathing in more - Google Patents
Multi-temperature-zone refrigerating system is with connecting in parallel unit of breathing in more Download PDFInfo
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- CN213955675U CN213955675U CN202022614287.0U CN202022614287U CN213955675U CN 213955675 U CN213955675 U CN 213955675U CN 202022614287 U CN202022614287 U CN 202022614287U CN 213955675 U CN213955675 U CN 213955675U
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- 230000029058 respiratory gaseous exchange Effects 0.000 title claims description 6
- 238000003860 storage Methods 0.000 claims abstract description 23
- 230000014759 maintenance of location Effects 0.000 claims abstract description 5
- 230000001502 supplementing effect Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 10
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009491 slugging Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses a multi-suction parallel unit for a multi-temperature zone refrigerating system, which comprises an oil storage type high-efficiency oil separator, an oil path filter, an electronic oil level controller, a compressor, a suction header, an exhaust header and an evaporative condenser; the return air of the cold storages with different temperatures is respectively connected with the inlet of one air suction collecting pipe, and the outlet of the air suction collecting pipe is connected with the air suction valve of each compressor; the exhaust valve of each compressor is connected to the inlet of the exhaust header, the outlet of the exhaust header is connected with the inlet of the oil storage type high-efficiency oil separator, the oil content outlet of the oil storage type high-efficiency oil separator is connected with the inlet of the evaporative condenser, the oil path outlet of the oil storage type high-efficiency oil separator is connected with the oil path filter, the outlet of the oil path filter is connected with each electronic oil level controller, and the electronic oil level controller is connected with the oil supplementing port of the compressor; the utility model provides a forced air cooling compression condensing unit's summer and winter service problem can reduce the energy consumption, reduces the investment, reduces equipment occupation of land space.
Description
Technical Field
The utility model relates to a refrigeration technology field especially relates to a multi-temperature-zone refrigerating system is with connecting in parallel unit that breathes more.
Background
For the cold storages with different temperatures, a set of refrigerating unit is generally independently matched with one cold storage due to different evaporation temperatures, and the condenser adopts an air-cooled condenser (the condensation temperature is 45 ℃).
The air-cooled condenser is designed to have the air inlet temperature of 30 ℃, the air outlet temperature of 45 ℃ and the heat exchange temperature difference of 15K, but with the development of urbanization, the summer temperature of most cities is over 35 ℃, particularly in places with long sunshine time, the air temperature near the ground surface can reach over 40 ℃, the condensing temperature of the air-cooled condenser generally exceeds 50 ℃, the condensing pressure of a unit is high, the same evaporating temperature, the pressure ratio of a compressor is increased, and the operation energy consumption is high. The equipment quantity increases along with the increase of freezer quantity, and investment cost also increases thereupon, and the computer lab area is great, and the ambient ventilation requires highly, and in case the unit goes wrong, the freezer just can not use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a multi-temperature-zone refrigerating system is with many parallelly connected units of breathing in, with the problem of solving above-mentioned prior art existence, solve the summer and winter use problem of air-cooled compression condensation unit, and reduce the energy consumption, reduce the investment, reduce equipment occupation of land space, optimize the refrigeration unit of different temperature freezer for a many parallelly connected units of breathing in, make the compressor each other stand-by, use evaporative condenser (condensation temperature 35 ℃), reduce the condensing pressure of refrigeration unit, improve the refrigeration capacity of compressor, improve refrigeration unit COP value, reduce the working costs.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a multi-suction parallel unit for a multi-temperature zone refrigerating system, which comprises an oil storage type high-efficiency oil separator, an oil path filter, an electronic oil level controller, a compressor, a suction header, an exhaust header and an evaporative condenser; the number of the compressors is multiple, each compressor is connected with one electronic oil level controller, return air of the cold storages with different temperatures is respectively connected with an inlet of one air suction collecting pipe, and an outlet of each air suction collecting pipe is connected with an air suction valve of each compressor; the exhaust valve of each compressor is connected to the inlet of the exhaust header, the outlet of the exhaust header is connected with the inlet of the oil-storage high-efficiency oil separator, the oil outlet of the oil-storage high-efficiency oil separator is connected with the inlet of the evaporative condenser, the oil outlet of the oil-storage high-efficiency oil separator is connected with an oil filter, the outlet of the oil filter is connected with each electronic oil controller, and the electronic oil controller is connected with the oil supplementing port of the compressor.
The utility model discloses following beneficial technological effect has been gained for prior art:
the utility model provides a multi-temperature-zone refrigerating system is with many parallelly connected units of breathing in, traditional piston compressor's oil separator, oil storage tank and oil feeding system have been cancelled, oil circuit fault rate has been reduced, the integration of the air-cooled piston condenser unit of different operating modes is in the same place, machine room usable floor area has been reduced, unit manufacturing cost has been practiced thrift, change the air-cooled condenser into evaporative condenser simultaneously, refrigerating system's condensing pressure has been reduced, refrigerating system's COP value is improved, the running cost of the later stage freezer that reduces.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a multi-suction parallel unit for a middle and multi-temperature zone refrigeration system of the present invention;
in the figure: 1-oil storage type high-efficiency oil separator, 2-oil filter, 3-electronic oil level controller, 4-compressor, 5-suction header, 6-exhaust header, 7-evaporative condenser and 8-suction valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a multi-temperature-zone refrigerating system is with connecting in parallel unit that breathes more to solve the problem that prior art exists.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The multi-suction parallel unit for the multi-temperature zone refrigerating system in the embodiment comprises an oil storage type high-efficiency oil separator 1, an oil way filter 2, an electronic oil level controller 3, a compressor 4, a suction header 5, an exhaust header 6 and an evaporative condenser 7, as shown in fig. 1; the number of the compressors 4 is multiple, each compressor 4 is connected with one electronic oil level controller 3, return air of cold storages with different temperatures is respectively connected with an inlet of one suction manifold 5, and an outlet of the suction manifold 5 is connected with a suction valve 8 of each compressor 4; the exhaust valve of each compressor 4 is connected to the inlet of the exhaust header 6, the outlet of the exhaust header 6 is connected to the inlet of the oil-storing high-efficiency oil separator 1, the oil outlet of the oil-storing high-efficiency oil separator 1 is connected to the inlet of the evaporative condenser 7, the oil path outlet of the oil-storing high-efficiency oil separator 1 is connected to the oil path filter 2, the outlet of the oil path filter 2 is connected to each electronic oil level controller 3, and the electronic oil level controller 3 is connected to the oil supplementing port of the compressor 4.
The utility model discloses part the low pressure side, the high-pressure side sharing uses oil storage formula high efficiency oil separator 1, uses 3 control oil levels of electronic oil controller. The air-cooled condensers of the air-cooled compression condensing units are cancelled, the condensing capacities of all the compressors 4 are integrated, the evaporative condenser 7 is used, the condensing pressure of the refrigerating system is reduced, and the COP value of the refrigerating system is improved.
The utility model provides a multi-temperature-zone refrigerating system is with many working principles who breathes in parallelly connected unit: 1. after the refrigeration house starts to refrigerate, the return air returns to the air suction header pipe 5 through the independent return air pipe and then is connected with the compressor 4, the low-pressure sides with different temperatures are separated, and different evaporation pressures (evaporation temperatures) of the refrigeration houses with different temperatures are guaranteed. 2. The oil storage type high-efficiency oil separator 1 is used, the oil level is controlled by the electronic oil level controller 3, the oil supply requirements of the compressors 4 with different suction pressures can be met, and excessive oil supply can be prevented to cause oil slugging of the compressors 4. 3. The exhaust gas is shared to integrate the condensation capacity of all the compressors 4, and the evaporative condenser 7 is used, so that the condensation pressure of the refrigeration system is reduced, and the COP value of the refrigeration system is improved.
The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete examples, and the explanation of the above examples is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.
Claims (1)
1. A multi-temperature-zone refrigerating system is with connecting unit in parallel of breathing in more, its characterized in that: the device comprises an oil storage type high-efficiency oil separator, an oil path filter, an electronic oil level controller, a compressor, an air suction header, an exhaust header and an evaporative condenser; the number of the compressors is multiple, each compressor is connected with one electronic oil level controller, return air of the cold storages with different temperatures is respectively connected with an inlet of one air suction collecting pipe, and an outlet of each air suction collecting pipe is connected with an air suction valve of each compressor; the exhaust valve of each compressor is connected to the inlet of the exhaust header, the outlet of the exhaust header is connected with the inlet of the oil-storage high-efficiency oil separator, the oil outlet of the oil-storage high-efficiency oil separator is connected with the inlet of the evaporative condenser, the oil outlet of the oil-storage high-efficiency oil separator is connected with an oil filter, the outlet of the oil filter is connected with each electronic oil controller, and the electronic oil controller is connected with the oil supplementing port of the compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022614287.0U CN213955675U (en) | 2020-11-12 | 2020-11-12 | Multi-temperature-zone refrigerating system is with connecting in parallel unit of breathing in more |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022614287.0U CN213955675U (en) | 2020-11-12 | 2020-11-12 | Multi-temperature-zone refrigerating system is with connecting in parallel unit of breathing in more |
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| CN213955675U true CN213955675U (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361631A (en) * | 2020-11-12 | 2021-02-12 | 山西永有制冷科技有限公司 | Multi-temperature-zone refrigerating system is with connecting in parallel unit of breathing in more |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112361631A (en) * | 2020-11-12 | 2021-02-12 | 山西永有制冷科技有限公司 | Multi-temperature-zone refrigerating system is with connecting in parallel unit of breathing in more |
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