CN203364515U - Low-temperature vortex parallel compression condensing unit - Google Patents
Low-temperature vortex parallel compression condensing unit Download PDFInfo
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- CN203364515U CN203364515U CN2013203450862U CN201320345086U CN203364515U CN 203364515 U CN203364515 U CN 203364515U CN 2013203450862 U CN2013203450862 U CN 2013203450862U CN 201320345086 U CN201320345086 U CN 201320345086U CN 203364515 U CN203364515 U CN 203364515U
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- flow path
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- heat exchanger
- compressor bank
- expansion valve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model relates to a low-temperature vortex parallel compression condensing unit. The low-temperature vortex parallel compression condensing unit is connected with the inlet of a first flow path of a plate heat exchanger through a separator, a condenser and a liquid accumulator sequentially, the outlet of the first flow path is sequentially connected with a refrigeration load and the suction inlet of a compressor unit, the inlet of a second flow path of the plate heat exchanger is connected with the outlet of the first flow path through an auxiliary pipeline, an electronic expansion valve is arranged on the auxiliary pipeline, the outlet of the second flow path is connected with the suction inlet of the compressor unit through a temperature sensor and a pressure sensor, and the temperature sensor and the pressure sensor are connected with the electronic expansion valve. The plate heat exchanger is additionally arranged between the condenser and the refrigeration load, refrigerant is fed to the first flow path and the second flow path of the plate heat exchanger respectively through a main pipeline and the auxiliary pipeline and then depressurized in the second flow path through the electronic expansion valve of the auxiliary pipeline to absorb heat of the first flow path, the supercooling degree of the refrigerant which flows through the first flow path is increased, the refrigerating capacity and the energy efficiency ratio of equipment are increased, and the purposes of saving energy and achieving environment friendliness are achieved.
Description
Technical field
The utility model relates to a kind of Condensing units, particularly a kind of low temperature vortex parallel Condensing units.
Background technology
The closed system that general refrigeration system is comprised of compressor, condenser, restricting element, evaporimeter etc., fill appropriate cold-producing medium in closed system, under the compressor effect, cold-producing medium returns to compressor by compressor compresses by condenser, restricting element and evaporimeter, cold-producing medium carries out heat exchange in evaporimeter, has realized the process of refrigerastion that condenser heat extraction, evaporimeter absorb heat.Evaporimeter is when low evaporating temperature operation, and compressor pressure ratios increases, and displacement and Energy Efficiency Ratio significantly descend, and the delivery temperature of compressor is higher simultaneously, affects the refrigeration system safety in operation.
Summary of the invention
The purpose of this utility model is to provide low temperature vortex parallel Condensing units a kind of simple in structure, energy-conservation, efficient, stable.
In order to achieve the above object, the technical solution adopted in the utility model is: a kind of low temperature vortex parallel Condensing units, comprise compressor bank, gs-oil separator, condenser and reservoir, compressor bank, gs-oil separator, condenser is connected successively with reservoir, its technical characterstic is also to comprise a plate type heat exchanger, the import of the first pass of plate type heat exchanger connects the reservoir outlet through main line, the outlet of first pass connects refrigeration load and compressor bank suction inlet successively, the import of the second flow process of plate type heat exchanger connects the outlet of first pass through auxiliary pipeline, auxiliary pipeline is provided with electric expansion valve, the outlet of the second flow process is connected the compressor bank suction inlet with pressure sensor through temperature sensor, temperature sensor and pressure sensor sensor connecting electronic expansion valve.
Described compressor bank suction inlet comprises the air entry of the multiple compressors that is communicated with refrigeration load and is communicated with the intergrade air entry of the multiple compressors of the second flow process outlet, the outlet of plate type heat exchanger first pass connects refrigeration load and compressor bank air entry successively, and the outlet of the second flow process connects compressor bank intergrade air entry.
Cold-producing medium after compressor compresses is through condenser condenses, by reservoir respectively through the master, auxiliary pipeline is delivered to plate type heat exchanger, cold-producing medium is delivered to refrigeration load through main line by first pass, cold-producing medium becomes the low-pressure low-temperature refrigerant through the electric expansion valve step-down when auxiliary pipeline enters the second flow process, the low-pressure low-temperature refrigerant carries out pre-heating heat-exchanging with cold-producing medium in plate type heat exchanger, get back to compressor intergrade air entry, offer compressor and mix compression, increase the compressor air-discharging amount, improve compressor efficiency, the refrigerant liquid temperature of simultaneously delivering to evaporimeter further reduces, in the refrigeration major loop, enthalpy difference increases, be convenient to improve refrigeration and efficiency, play energy-saving effect, electric expansion valve is surveyed cold-producing medium by temperature sensor and pressure sensor, control the size of the valve port of electric expansion valve by the degree of superheat, the regulation and control electric expansion valve, guaranteed suitable intergrade suction superheat, further reduce compressor exhaust temperature, guarantee system run all right.
The beneficial effects of the utility model are: set up a plate type heat exchanger between condenser and refrigeration load, cold-producing medium is delivered to first and second flow process of plate type heat exchanger through main and auxiliary pipeline respectively, cold-producing medium is absorbed heat to first pass in the second flow process by the step-down of auxiliary pipeline electric expansion valve, improved the cold-producing medium degree of supercooling in the first pass of flowing through, promote refrigerating capacity and the Energy Efficiency Ratio of equipment, reached the purpose of energy-conserving and environment-protective; Electric expansion valve is surveyed refrigerant pressure and the temperature of the second flow process outlet by temperature sensor and pressure sensor, electric expansion valve valve port size is controlled, effectively control the intergrade suction superheat, further reduce compressor exhaust temperature, guarantee system run all right.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: compressor bank 1, air entry 2, intergrade air entry 3, gs-oil separator 4, condenser 5, reservoir 6, plate type heat exchanger 7, first pass 8, first pass import 81, first pass outlet 82, the second flow process 9, the second flow process import 91, the second flow process outlets 92, electric expansion valve 10, temperature sensor 11, pressure sensor 12, refrigeration load 13, main line 14, auxiliary pipeline 15.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
Shown in Fig. 1, a kind of low temperature vortex parallel Condensing units comprises compressor bank 1, gs-oil separator 4, condenser 5, reservoir 6, plate type heat exchanger 7, electric expansion valve 10, temperature sensor 11 and pressure sensor 12.Compressor bank 1, gs-oil separator 4, condenser 5 is connected successively with reservoir 6, reservoir 6 outlets connect respectively main line 14 and auxiliary pipeline 15, the first pass import 81 of main line 14 connecting plate type heat exchanger 7 first passes 8, first pass outlet 81 connects the air entry 2 of the multiple compressors of compressor bank 1 through refrigeration load 13, the second flow process import 91 of auxiliary pipeline 15 connecting plate type heat exchanger 7 second flow processs 9, be provided with electric expansion valve 10 between auxiliary pipeline 15 to second flow process imports 91, the second flow process outlet 92 is connected the intergrade air entry 3 of compressor bank 1 multiple compressors with pressure sensor 12 through temperature sensor 11, temperature sensor 11 and pressure sensor 12 connecting electronic expansion valves 10.
Claims (2)
1. a low temperature vortex parallel Condensing units, comprise compressor bank, gs-oil separator, condenser and reservoir, compressor bank, gs-oil separator, condenser is connected successively with reservoir, it is characterized in that: also comprise a plate type heat exchanger, the import of the first pass of plate type heat exchanger connects the reservoir outlet through main line, the outlet of first pass connects refrigeration load and compressor bank suction inlet successively, the import of the second flow process of plate type heat exchanger connects the outlet of first pass through auxiliary pipeline, auxiliary pipeline is provided with electric expansion valve, the outlet of the second flow process is connected the compressor bank suction inlet with pressure sensor through temperature sensor, temperature sensor and pressure sensor sensor connecting electronic expansion valve.
2. a kind of low temperature vortex parallel Condensing units according to claim 1, it is characterized in that: described compressor bank suction inlet comprises the air entry of the multiple compressors that is communicated with refrigeration load and is communicated with the intergrade air entry of the multiple compressors of the second flow process outlet, the outlet of plate type heat exchanger first pass connects refrigeration load and compressor bank air entry successively, and the outlet of the second flow process connects compressor bank intergrade air entry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203450862U CN203364515U (en) | 2013-06-17 | 2013-06-17 | Low-temperature vortex parallel compression condensing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203450862U CN203364515U (en) | 2013-06-17 | 2013-06-17 | Low-temperature vortex parallel compression condensing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203364515U true CN203364515U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203450862U Expired - Fee Related CN203364515U (en) | 2013-06-17 | 2013-06-17 | Low-temperature vortex parallel compression condensing unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN203364515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344067A (en) * | 2013-06-17 | 2013-10-09 | 江苏科立德制冷设备有限公司 | Low-temperature vortex parallel-connection compression condensing unit |
-
2013
- 2013-06-17 CN CN2013203450862U patent/CN203364515U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344067A (en) * | 2013-06-17 | 2013-10-09 | 江苏科立德制冷设备有限公司 | Low-temperature vortex parallel-connection compression condensing unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131225 Termination date: 20210617 |
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| CF01 | Termination of patent right due to non-payment of annual fee |