CN202229458U - Water-cooled type low temperature refrigeration compressor unit - Google Patents
Water-cooled type low temperature refrigeration compressor unit Download PDFInfo
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- CN202229458U CN202229458U CN2011203375858U CN201120337585U CN202229458U CN 202229458 U CN202229458 U CN 202229458U CN 2011203375858 U CN2011203375858 U CN 2011203375858U CN 201120337585 U CN201120337585 U CN 201120337585U CN 202229458 U CN202229458 U CN 202229458U
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- condenser
- valve
- compressor
- water
- expansion valve
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Abstract
The utility model relates to a thermal cycle device, particularly a water-cooled type low temperature refrigeration compressor unit, which comprises a compressor (1), a condenser (2), a solenoid valve B (7), an expansion valve A (3) and an evaporator (4). The compressor (1) is an intermediate temperate screw compressor consisting of an air suction inlet (1-1), an air exhaust outlet (1-2) and an intermediate liquid spray standby port (1-3). The air exhaust outlet (1-2) is successively connected with the condenser (2), the solenoid valve B (7), the expansion valve A (3) with a temperature-sensitive bag, the evaporator (4) and the air suction inlet (1-1). The temperature-sensitive bag of the expansion valve A (3) is connected between the evaporator (4) and the air suction inlet (1-1). The outlet of the condenser (2) is connected with the intermediate liquid spray standby port (1-3) through a solenoid valve A (6) and an expansion valve B (5). Due to the adoption of the above technical scheme, the water-cooled type low temperature refrigeration compressor unit is high in security.
Description
Technical field
The utility model relates to a kind of thermodynamic cycle device, particularly a kind of water-cooled cryogenic refrigeration compressor bank of utilizing refrigeration compressor to realize thermodynamic cycle.
Background technology
Chinese patent publication number CN101089518A discloses a kind of air-cooled water-cooled two-evaporimeter hot-water machine group; It has the refrigeration cycle be made up of compressor, water cooled condenser, air-cooled evaporimeter, water-cooled evaporimeter, and this loop is provided with controller, and compressor connects water cooled condenser through a cross valve; Be connected with entery and delivery port on the water cooled condenser; Water cooled condenser connects heating power expansion valve, and the outlet of heating power expansion valve connects water-cooled evaporimeter and air-cooled evaporimeter respectively, and the water-cooled evaporimeter is provided with entery and delivery port; The water-cooled evaporimeter is connected cross valve with air-cooled evaporimeter, and cross valve connects the refrigerant-cycle systems of compressor.It is mainly not enough: compressor generates heat easily, and security is not enough.
The compression process of helical-lobe compressor is unidirectional, and when rotor rotated, refrigerant vapour was compressed in the teeth groove of phase interlock and is transported to corresponding compression stroke bottom.In this stage, be accompanied by the continuous decrease of element volume, refrigerant vapour is compressed to condensing pressure from pressure of inspiration(Pi).
Helical-lobe compressor can generate heat under the situation of limit operation, if long-time running, the intermediate compression room temperature is too high, causes mechanical part damage in the discharge chambe, influences the operate as normal of compressor.
Summary of the invention
The purpose of the utility model is the deficiency to prior art, and a kind of helical-lobe compressor and safe water-cooled cryogenic refrigeration compressor bank used is provided.
For realizing above-mentioned technical purpose; The utility model adopts following technical scheme: a kind of water-cooled cryogenic refrigeration compressor bank; It comprises: compressor, condenser, magnetic valve B, expansion valve A, evaporimeter; Compressor is the middle temperature helical-lobe compressor that comprises suction inlet, air exit and the subsequent use mouth of intermediate liquid spray; Air exit connects condenser, magnetic valve B successively, contains expansion valve A, evaporimeter and the suction inlet of bulb, and the bulb of expansion valve A is connected between evaporimeter and the suction inlet, and the outlet of said condenser also is connected for subsequent use mouthful with said intermediate liquid spray with expansion valve B through magnetic valve A.
Further, said condenser is connected with magnetic valve B with said magnetic valve A respectively through liquid-sighting glass.
Further, establish hand valve C between said air exit and the condenser.
Further, establish hand valve A between said condenser and the liquid-sighting glass; The outlet of said liquid-sighting glass is connected with magnetic valve B with said magnetic valve A respectively through hand valve B.
After adopting technique scheme, the utlity model has following beneficial effect:
(1) establish magnetic valve A, expansion valve B, unit part cold-producing medium can be directly through the direct intermediate compression chambers of entering compressor of expansion valve B and the subsequent use mouth of intermediate liquid spray, cool off intermediate compression chambers, guarantee compressor safety, stable operation.
(2) establish liquid-sighting glass, the situation of cooling fluid in the convenient observation unit.
(3) establish hand valve C, the operation of the whole unit of convenient control, convenient maintenance.
(4) establish hand valve A, hand valve B, flowing of convenient control cold-producing medium improves the performance of whole unit.
Description of drawings
Fig. 1 is the sketch map of the utility model.
Among the figure: 1, compressor, 1-1, suction inlet, 1-2, air exit, subsequent use mouthful of 1-3, intermediate liquid spray, 2, condenser; 3, expansion valve A, 4, evaporimeter, 5, expansion valve B, 6, magnetic valve A, 7, magnetic valve B; 8, hand valve A, 9, liquid-sighting glass, 10, hand valve B, 11, hand valve C.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Embodiment
As shown in Figure 1, a kind of water-cooled cryogenic refrigeration compressor bank, it comprises: compressor 1, condenser 2, magnetic valve B7, expansion valve A3, evaporimeter 4.
Compressor 1 is the middle temperature helical-lobe compressor that comprises suction inlet 1-1, air exit 1-2 and subsequent use mouthful of 1-3 of intermediate liquid spray.
Air exit 1-2 connects condenser 2, magnetic valve B7 successively, contains the expansion valve A3 of bulb, evaporimeter 4 and suction inlet 1-1, and the bulb of expansion valve A3 is connected between evaporimeter 4 and the suction inlet 1-1.
The outlet of condenser 2 also is connected through subsequent use mouthful of 1-3 of magnetic valve A6 and expansion valve B5 and intermediate liquid spray.
During operate as normal, compressor 1 operation, cold-producing medium is back to compressor 1 through condenser 2, magnetic valve B7, expansion valve A3 and evaporimeter 4 successively.When need be to the cooling of the discharge chambe of compressor 1, magnetic valve A6 opens, and the intermediate compression chambers that the part cold-producing medium directly directly gets into compressor 1 through subsequent use mouthful of 1-3 of expansion valve B5 and intermediate liquid spray is cooled off intermediate compression chambers, guarantees compressor safety, stable operation.
Be the situation of cooling fluid in the convenient observation unit, condenser 2 is connected with magnetic valve B7 with magnetic valve A6 respectively through liquid-sighting glass 9.
During operate as normal, compressor 1 operation, cold-producing medium is back to compressor 1 through condenser 2, liquid-sighting glass 10, magnetic valve B7, expansion valve A3 and evaporimeter 4 successively.In the time need lowering the temperature to the intermediate compression chambers of compressor 1; Magnetic valve A6 opens; The intermediate compression chambers that the part cold-producing medium directly directly gets into compressor 1 through subsequent use mouthful of 1-3 of expansion valve B5 and intermediate liquid spray, the cooling intermediate compression chambers is guaranteed compressor safety, stable operation.
Be flowing of convenient control cold-producing medium, the operation of the whole unit of convenient control, convenient maintenance.Establish hand valve C11 between air exit 1-2 and the condenser 2.Establish hand valve A8 between condenser 2 and the liquid-sighting glass 9; The outlet of liquid-sighting glass 9 is connected with magnetic valve B7 with magnetic valve A6 respectively through hand valve B10.
The utility model is not limited to the foregoing description, and the technical scheme that all employings are equal to or the equivalence replacement forms all falls into the protection domain that the utility model requires.
Claims (4)
1. water-cooled cryogenic refrigeration compressor bank; It comprises: compressor (1), condenser (2), magnetic valve B (7), expansion valve A (3), evaporimeter (4); Compressor (1) is the middle temperature helical-lobe compressor that comprises suction inlet (1-1), air exit (1-2) and intermediate liquid spray subsequent use mouthful (1-3); Air exit (1-2) connects condenser (2), magnetic valve B (7) successively, contains the expansion valve A (3) of bulb, evaporimeter (4) and suction inlet (1-1); The bulb of expansion valve A (3) is connected between evaporimeter (4) and the suction inlet (1-1), it is characterized in that: the outlet of said condenser (2) also is connected with said intermediate liquid spray subsequent use mouthful (1-3) with expansion valve B (5) through magnetic valve A (6).
2. water-cooled cryogenic refrigeration compressor bank according to claim 1 is characterized in that: said condenser (2) is connected with magnetic valve B (7) with said magnetic valve A (6) respectively through liquid-sighting glass (9).
3. water-cooled cryogenic refrigeration compressor bank according to claim 1 is characterized in that: establish hand valve C (11) between said air exit (1-2) and the condenser (2).
4. water-cooled cryogenic refrigeration compressor bank according to claim 2 is characterized in that: establish hand valve A (8) between said condenser (2) and the liquid-sighting glass (9); The outlet of said liquid-sighting glass (9) is connected with magnetic valve B (7) with said magnetic valve A (6) respectively through hand valve B (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203375858U CN202229458U (en) | 2011-09-09 | 2011-09-09 | Water-cooled type low temperature refrigeration compressor unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011203375858U CN202229458U (en) | 2011-09-09 | 2011-09-09 | Water-cooled type low temperature refrigeration compressor unit |
Publications (1)
Publication Number | Publication Date |
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CN202229458U true CN202229458U (en) | 2012-05-23 |
Family
ID=46080043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011203375858U Expired - Fee Related CN202229458U (en) | 2011-09-09 | 2011-09-09 | Water-cooled type low temperature refrigeration compressor unit |
Country Status (1)
Country | Link |
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CN (1) | CN202229458U (en) |
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2011
- 2011-09-09 CN CN2011203375858U patent/CN202229458U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20120909 |