CN202250721U - Improved water cooling type low-temperature refrigerating compressor set - Google Patents
Improved water cooling type low-temperature refrigerating compressor set Download PDFInfo
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- CN202250721U CN202250721U CN2011203376653U CN201120337665U CN202250721U CN 202250721 U CN202250721 U CN 202250721U CN 2011203376653 U CN2011203376653 U CN 2011203376653U CN 201120337665 U CN201120337665 U CN 201120337665U CN 202250721 U CN202250721 U CN 202250721U
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Abstract
The utility model relates to a thermodynamic cycle device, in particular to an improved water cooling type low-temperature refrigerating compressor set. The improved water cooling type low-temperature refrigerating compressor set comprises a compressor (1), a condenser (2), an expansion valve A (3) and an evaporator (4), wherein an exhaust outlet (1-2) of the compressor (1) is sequentially connected with the condenser (2), the expansion valve A (3), the evaporator (4) and a suction inlet (1-1); an oil-gas separator (5), an oil cooler (6) and an oil filter (14) are also arranged among the condenser (2), the exhaust outlet (1-2) and an oil spare port (1-3); and the oil filter (14) is connected with the oil spare port (1-3) of the compressor (1). The refrigerating compressor set has the beneficial effect of reducing failure caused by oil used by the compressor.
Description
Technical field
The utility model relates to a kind of thermodynamic cycle device, particularly a kind of a kind of improved water-cooled cryogenic refrigeration compressor bank of utilizing refrigeration compressor to realize thermodynamic cycle.
Background technique
The compression process of helical-lobe compressor is unidirectional, and when rotor rotated, refrigerant vapor was compressed in the teeth groove of phase interlock and is transported to corresponding compression volume bottom.In this stage, be accompanied by the continuous decrease of element volume, refrigerant vapor is compressed to condensing pressure from pressure of inspiration(Pi).
When compressor operation, refrigeration agent and compressor are hot with oil, and refrigeration agent by compression, steam resulting mixture leave compressor, and the compressor that cycles through system simultaneously can disturb the operation of each parts of cooling machine set with oil.Vaporizer particularly, compressor can accumulate in the vaporizer with oil, has a strong impact on the operation of vaporizer and causes compressor fault.
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 vaporizer, water-cooled vaporizer, and this loop is provided with controller, and compressor connects water cooled condenser through a four-way 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 vaporizer and air-cooled vaporizer respectively, and the water-cooled vaporizer is provided with entery and delivery port; The water-cooled vaporizer is connected four-way valve with air-cooled vaporizer, and four-way valve connects the refrigerant-cycle systems of compressor.It is mainly not enough: the lubricant oil in the compressor has no processing, breaks down easily.
Summary of the invention
The purpose of the utility model is the deficiency to existing technology, and a kind of a kind of improved water-cooled cryogenic refrigeration compressor bank that reduces compressor with oily fault is provided.
For realizing above-mentioned technical purpose; The utility model adopts following technological scheme: a kind of improved water-cooled cryogenic refrigeration compressor bank; It comprises: compressor, comprise refrigerant import and refrigerant exit condenser, comprise the expansion valve A and the vaporizer of bulb; Compressor is the middle temperature helical-lobe compressor that comprises suction inlet, exhaust outlet and the subsequent use mouth of oil; Exhaust outlet connects condenser, expansion valve A, vaporizer and suction inlet successively, and the bulb of expansion valve A is connected between vaporizer and the suction inlet, wherein:
---also be provided with the deaerator that comprises deaerator import, the outlet of deaerator gas and deaerator oil export, oil cooler and the oil strainer that comprises oil cooler first import, oil cooler second import, oil cooler first outlet and oil cooler second outlet between the subsequent use mouth of said condenser, exhaust outlet and oil;
---said exhaust outlet connects the deaerator import, and the outlet of deaerator gas is connected with said condenser, and the deaerator oil export is connected with oil cooler first import;
---said refrigerant import connects oil cooler second import, and said refrigerant exit connects oil cooler first outlet;
---oil cooler second outlet is connected for subsequent use mouthful through oil strainer and said oil.
Further, the outlet of said condenser connects said expansion valve A through liquid-sighting glass A; Said oil strainer connects subsequent use mouthful of said oil through liquid-sighting glass B.
Further, establish hand valve C between said exhaust outlet and the condenser.
Further, establish hand valve D between said oil cooler second outlet and the oil strainer.
Further, establish hand valve A between said condenser and the liquid-sighting glass A; Establish hand valve B between said liquid-sighting glass A and the expansion valve A; Establish solenoid valve between said oil strainer and the liquid-sighting glass B.
After adopting technique scheme, the utlity model has following beneficial effect:
(1) adopts deaerator, oil cooler, oil strainer, the oil of sneaking in the refrigeration agent is returned in the compressor through cold filtration.Prevent that on the one hand compressor is too high or have impurity to cause fault, prolong compressor working life because of oil starvation or oil temperature; On the other hand, effectively reduce the oil in the refrigeration agent, prevent that compressor from producing liquid hammer, prevents that other parts of unit from breaking down, and better brings into play the efficient of parts such as condenser, vaporizer.
(2) establish liquid-sighting glass, the situation of cooling liquid 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, hand valve D and solenoid valve, flowing of convenient control refrigeration agent and lubricant oil improves the performance of whole unit.
Description of drawings
Fig. 1 is the schematic representation of the utility model.
Among the figure: 1, compressor, 1-1, suction inlet, 1-2, exhaust outlet, 1-3, oil are subsequent use mouthful, and 2, condenser, 2-1, refrigerant import; 2-2, refrigerant exit, 3, expansion valve, 4, vaporizer, 5, deaerator, 5-1, deaerator import; The outlet of 5-2, deaerator gas, 5-3, deaerator oil export, 6, oil cooler, 6-1, oil cooler first import, 6-2, oil cooler second import; 6-3, oil cooler first outlet, 6-4, oil cooler second outlet, 7, hand valve A, 8, liquid-sighting glass A, 9, hand valve B; 10, hand valve C, 11, liquid-sighting glass B, 12, solenoid valve, 13, hand valve D, 14, oil strainer.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is done further explain.
Embodiment
As shown in Figure 1, a kind of improved water-cooled cryogenic refrigeration compressor bank, it comprises: compressor 1, condenser 2, the expansion valve A3 that comprises bulb and vaporizer 4.
Exhaust outlet 1-2 connects condenser 2, expansion valve A3, vaporizer 4 and suction inlet 1-1 successively, and the bulb of expansion valve A3 is connected between vaporizer 4 and the suction inlet 1-1.
Also be provided with deaerator 5, oil cooler 6 and oil strainer 14 between condenser 2, exhaust outlet 1-2 and subsequent use mouthful of 1-3 of oil.
Deaerator 5 comprises deaerator import 5-1, deaerator gas outlet 5-2 and deaerator oil export 5-3.
Oil cooler 6 comprises the oil cooler first import 6-1, the oil cooler second import 6-2, the oil cooler first outlet 6-3 and the oil cooler second outlet 6-4.
Exhaust outlet 1-2 connects deaerator import 5-1, and deaerator gas outlet 5-2 is connected with condenser 2, and deaerator oil export 5-3 is connected with the oil cooler first import 6-1.
Refrigerant import 2-1 connects the oil cooler second import 6-2, and refrigerant exit 2-2 connects the oil cooler first outlet 6-3.
The oil cooler second outlet 6-4 is connected through subsequent use mouthful of 1-3 of oil strainer 14 and oil.
During proper functioning, compressor 1 operation, refrigeration agent is back to compressor 1 through deaerator 5, condenser 2, expansion valve A3 and vaporizer 4 successively.
Deaerator 5 is sent isolated lubricant oil into oil cooler 6, and refrigerant cools off the lubricant oil in the oil cooler 6 through refrigerant import 2-1, the oil cooler second import 6-2, the oil cooler first outlet 6-3 and refrigerant exit 2-2.Cooled lubricant oil gets into oily subsequent use mouthful of 1-3 of compressor 1 successively through the oil cooler second outlet 6-4, oil strainer 14.
Be the situation of cooling liquid in the convenient observation unit, the outlet of condenser 2 connects expansion valve A3 through liquid-sighting glass A8.Oil strainer 14 connects subsequent use mouthful of 1-3 of oil through liquid-sighting glass B11.
During proper functioning, compressor 1 operation, refrigeration agent is back to compressor 1 through deaerator 5, condenser 2, liquid-sighting glass A8, expansion valve A3 and vaporizer 4 successively.
Deaerator 5 is sent isolated lubricant oil into oil cooler 6, and refrigerant cools off the lubricant oil in the oil cooler 6 through refrigerant import 2-1, the oil cooler second import 6-2, the oil cooler first outlet 6-3 and refrigerant exit 2-2.Cooled lubricant oil gets into oily subsequent use mouthful of 1-3 of compressor 1 successively through the oil cooler second outlet 6-4, oil strainer 14, liquid-sighting glass B11.
Be flowing of convenient control refrigeration agent, the operation of the whole unit of convenient control, convenient maintenance.Establish hand valve C10 between exhaust outlet 1-2 and the condenser 2.Establish hand valve A7 between condenser 2 and the liquid-sighting glass A8.Establish hand valve B9 between liquid-sighting glass A8 and the expansion valve A3.Establish hand valve D13 between oil cooler second outlet 6-4 and the oil strainer 14.Establish solenoid valve 12 between oil strainer 14 and the liquid-sighting glass B11.
The utility model is not limited to the foregoing description, and the technological scheme that all employings are equal to or the equivalence replacement forms all falls into the protection domain that the utility model requires.
Claims (5)
1. improved water-cooled cryogenic refrigeration compressor bank; It comprises: compressor (1), the condenser (2) that comprises refrigerant import (2-1) and refrigerant exit (2-2), the expansion valve A (3) that comprises bulb and vaporizer (4); Compressor (1) is the middle temperature helical-lobe compressor that comprises suction inlet (1-1), exhaust outlet (1-2) and oil subsequent use mouthful (1-3); Exhaust outlet (1-2) connects condenser (2), expansion valve A (3), vaporizer (4) and suction inlet (1-1) successively; The bulb of expansion valve A (3) is connected between vaporizer (4) and the suction inlet (1-1), it is characterized in that wherein:
---also be provided with the deaerator (5) that comprises deaerator import (5-1), deaerator gas outlet (5-2) and deaerator oil export (5-3), oil cooler (6) and the oil strainer (14) that comprises oil cooler first import (6-1), oil cooler second import (6-2), oil cooler first outlet (6-3) and oil cooler second outlet (6-4) between said condenser (2), exhaust outlet (1-2) and the oil subsequent use mouthful (1-3);
---said exhaust outlet (1-2) connects deaerator import (5-1), and deaerator gas outlet (5-2) is connected with said condenser (2), and deaerator oil export (5-3) is connected with oil cooler first import (6-1);
---said refrigerant import (2-1) connects oil cooler second import (6-2), and said refrigerant exit (2-2) connects oil cooler first outlet (6-3);
---oil cooler second outlet (6-4) is connected through oil strainer (14) and said oil subsequent use mouthful (1-3).
2. according to the said a kind of improved water-cooled cryogenic refrigeration compressor bank of claim 1, it is characterized in that: the outlet of said condenser (2) connects said expansion valve A (3) through liquid-sighting glass A (8); Said oil strainer (14) connects subsequent use mouthful of said oil (1-3) through liquid-sighting glass B (11).
3. according to the said a kind of improved water-cooled cryogenic refrigeration compressor bank of claim 1, it is characterized in that: establish hand valve C (10) between said exhaust outlet (1-2) and the condenser (2).
4. according to the said a kind of improved water-cooled cryogenic refrigeration compressor bank of claim 1, it is characterized in that: establish hand valve D (13) between said oil cooler second outlet (6-4) and the oil strainer (14).
5. according to the said a kind of improved water-cooled cryogenic refrigeration compressor bank of claim 2, it is characterized in that: establish hand valve A (7) between said condenser (2) and the liquid-sighting glass A (8); Establish hand valve B (9) between said liquid-sighting glass A (8) and the expansion valve A (3); Establish solenoid valve (12) between said oil strainer (14) and the liquid-sighting glass B (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376653U CN202250721U (en) | 2011-09-09 | 2011-09-09 | Improved water cooling type low-temperature refrigerating compressor set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203376653U CN202250721U (en) | 2011-09-09 | 2011-09-09 | Improved water cooling type low-temperature refrigerating compressor set |
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| Publication Number | Publication Date |
|---|---|
| CN202250721U true CN202250721U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203376653U Expired - Fee Related CN202250721U (en) | 2011-09-09 | 2011-09-09 | Improved water cooling type low-temperature refrigerating compressor set |
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| CN (1) | CN202250721U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870329A (en) * | 2015-12-11 | 2017-06-20 | 阿特拉斯·科普柯空气动力股份有限公司 | Adjust the method for liquid injection, the compressor of liquid injection and the element of compressor |
| CN109373636A (en) * | 2018-11-09 | 2019-02-22 | 珠海格力电器股份有限公司 | A kind of system and method preventing liquid hammer |
-
2011
- 2011-09-09 CN CN2011203376653U patent/CN202250721U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870329A (en) * | 2015-12-11 | 2017-06-20 | 阿特拉斯·科普柯空气动力股份有限公司 | Adjust the method for liquid injection, the compressor of liquid injection and the element of compressor |
| CN109373636A (en) * | 2018-11-09 | 2019-02-22 | 珠海格力电器股份有限公司 | A kind of system and method preventing liquid hammer |
| CN109373636B (en) * | 2018-11-09 | 2023-07-04 | 珠海格力电器股份有限公司 | System and method for preventing liquid impact |
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| 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: 20120530 Termination date: 20120909 |