CN202229487U - Water-cooled low-temperature refrigeration compressor set with economizer - Google Patents
Water-cooled low-temperature refrigeration compressor set with economizer Download PDFInfo
- Publication number
- CN202229487U CN202229487U CN2011203375735U CN201120337573U CN202229487U CN 202229487 U CN202229487 U CN 202229487U CN 2011203375735 U CN2011203375735 U CN 2011203375735U CN 201120337573 U CN201120337573 U CN 201120337573U CN 202229487 U CN202229487 U CN 202229487U
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- economizer
- condenser
- expansion valve
- outlet
- compressor
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Abstract
The utility model relates to a thermodynamic cycle device, in particular to a water-cooled low-temperature refrigeration compressor set with an economizer, which comprises a compressor (1), a condenser (2), an expansion valve A (3) and an evaporator (4). The compressor (1) is an intermediate-temperature helical-lobe compressor. An exhaust outlet (1-2) is sequentially connected with the condenser (2), the expansion valve A (3), the evaporator (4) and an air suction inlet (1-1). The economizer (5), an expansion valve B (6) and a magnetic valve (7) are arranged between the condenser (2) and the expansion valve A (3) and an economizer connection spare port (1-3). An outlet of the condenser (2) is respectively connected with the magnetic valve (7) and a first inlet (5-1), and the magnetic valve (7) is connected with a second inlet (5-2) through the expansion valve B (6). A second outlet (5-4) is connected with the economizer connection spare port (1-3). The water-cooled low-temperature refrigeration compressor set has the advantages of improving energy efficiency.
Description
Technical field
The utility model relates to a kind of thermodynamic cycle device, particularly a kind of water-cooled cryogenic refrigeration compressor bank that has economizer 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: energy consumption is high, and efficient is general.
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).Pressure and the intermediate pressure in the two stages of compression that the connection of helical-lobe compressor economizer is subsequent use mouthful are quite similar.Connect subsequent use mouthful for compression end of a period tonifying Qi because these characteristics, helical-lobe compressor can be used economizer, realize bigger efficiency.
Economizer can improve the operating mode of compressor; Its principle: from the high pressure liquid refrigerant of condenser after getting into economizer; Be divided into two parts part and further cool off the temperature of going to reduce a cold part through the mode that throttling absorbs the heat expansion of another part; Wherein a part of subcooled liquid that settles out directly advances the evaporimeter refrigeration through the propane supplying valve; And the uncooled gaseous propane of another part gets into compressor continuation compression again through the line that is communicated with of economizer with compressor, gets into circulation.Its ingenious mode through swell refrigeration is stablized liquid refrigerant, to improve power system capacity and efficient.
Summary of the invention
The purpose of the utility model is the deficiency to prior art, provides a kind of economizer that uses to be connected the subsequent use mouthful of water-cooled cryogenic refrigeration compressor bank that has economizer that is connected, improves efficiency with the helical-lobe compressor economizer.
For realizing above-mentioned technical purpose; The utility model adopts following technical scheme: a kind of water-cooled cryogenic refrigeration compressor bank that has economizer; It comprises: compressor, condenser, comprise the expansion valve A and the evaporimeter of bulb; Compressor is to comprise that suction inlet, air exit and economizer are connected subsequent use mouthful middle temperature helical-lobe compressor; Air exit connects condenser, expansion valve A, evaporimeter and suction inlet successively, and the bulb of expansion valve A is connected between evaporimeter and the suction inlet, wherein:
---also be provided with the economizer that comprises first import, second import, first outlet and second outlet, expansion valve B and the magnetic valve that comprises bulb between the subsequent use mouth of said condenser, expansion valve A and economizer connection;
---the outlet of said condenser connects the magnetic valve and first import respectively, and magnetic valve is connected with second import through expansion valve B;
---first outlet is connected with said expansion valve A, and second outlet is connected subsequent use mouthful and connects with said economizer, and the bulb of expansion valve B is connected second outlet and said economizer connects between subsequent use mouthful.
Further, the outlet of said condenser connects the said magnetic valve and first import respectively through liquid-sighting glass.
Further, establish hand valve B between said air exit and the condenser.
Further, establish hand valve A between said condenser and the liquid-sighting glass.
After adopting technique scheme, the utlity model has following beneficial effect:
(1) adopts economizer, expansion valve B, be compressor compresses end of a period tonifying Qi, improve the compressor efficiency.
(2) establish liquid-sighting glass, the situation of cooling fluid in the convenient observation unit.
(3) establish hand valve B, the operation of the whole unit of convenient control, convenient maintenance.
(4) establish hand valve A, it cooperates with magnetic valve, and 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, 1-3, economizer connect subsequent use mouthful, and 2, condenser; 3, expansion valve A, 4, evaporimeter, 5, economizer, 5-1, economizer first import; 5-2, economizer second import, 5-3, economizer first outlet, 5-4, economizer second outlet, 6, expansion valve B; 7, magnetic valve, 8, hand valve A, 9, hand valve B, 10, liquid-sighting glass.
The specific 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 water-cooled cryogenic refrigeration compressor bank, it comprises: compressor 1, condenser 2, the expansion valve A3 that comprises bulb and evaporimeter 4.
Compressor 1 is to comprise that suction inlet 1-1, air exit 1-2 are connected the middle temperature helical-lobe compressor of subsequent use mouthful of 1-3 with economizer.
Air exit 1-2 connects condenser 2, expansion valve A3, evaporimeter 4 and suction inlet 1-1 successively, and the bulb of expansion valve A3 is connected between evaporimeter 4 and the suction inlet 1-1.
Condenser 2, expansion valve A3 and economizer connect between the subsequent use mouthful of 1-3 expansion valve B6 and the magnetic valve 7 that also is provided with economizer 5, comprises bulb.Economizer 5 comprises the first import 5-1, the second import 5-2, the first outlet 5-3 and the second outlet 5-4.
The outlet of condenser 2 connects the magnetic valve 7 and the first import 5-1 respectively, and magnetic valve 7 is connected with the second import 5-2 through expansion valve B6.
The first outlet 5-3 is connected with expansion valve A3, and the second outlet 5-4 is connected subsequent use mouthful of 1-3 and connects with economizer, and the bulb of expansion valve B6 is connected the second outlet 5-4 and economizer connects between the subsequent use mouthful of 1-3
During operate as normal, compressor 1 operation, cold-producing medium is back to compressor 1 through condenser 2, economizer 5, expansion valve A3 and evaporimeter 4 successively.When needing to improve efficiency, opens solenoid valve 7, the part cold-producing medium flows into compressor 1 economizer through magnetic valve 7, expansion valve B6 and economizer 5 and is connected subsequent use mouthful of 1-3, is compressor compresses end of a period tonifying Qi, improves the compressor efficiency.
Be the situation of cooling fluid in the convenient observation unit, the outlet of condenser 2 connects the magnetic valve 7 and the first import 5-1 respectively through liquid-sighting glass 10.
During operate as normal, compressor 1 operation, cold-producing medium is back to compressor 1 through condenser 2, liquid-sighting glass 10, economizer 5, expansion valve A3 and evaporimeter 4 successively.When needing to improve efficiency, opens solenoid valve 7, the part cold-producing medium flows into compressor 1 economizer through magnetic valve 7, expansion valve B6 and economizer 5 and is connected subsequent use mouthful of 1-3, is compressor compresses end of a period tonifying Qi, improves the compressor efficiency.
Be flowing of convenient control cold-producing medium, the operation of the whole unit of convenient control, convenient maintenance.Establish hand valve B9 between air exit 1-2 and the condenser 2.Establish hand valve A8 between condenser 2 and the liquid-sighting glass 10.
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 that has economizer; It comprises: compressor (1), condenser (2), the expansion valve A (3) that comprises bulb and evaporimeter (4); Compressor (1) is to comprise that suction inlet (1-1), air exit (1-2) are connected the middle temperature helical-lobe compressor of subsequent use mouthful (1-3) with economizer; Air exit (1-2) connects condenser (2), expansion valve A (3), evaporimeter (4) and suction inlet (1-1) successively; The bulb of expansion valve A (3) is connected between evaporimeter (4) and the suction inlet (1-1), it is characterized in that wherein:
---also be provided with economizer (5), the expansion valve B (6) that comprises bulb and the magnetic valve (7) that comprises first import (5-1), second import (5-2), first outlet (5-3) and second outlet (5-4) between said condenser (2), expansion valve A (3) and the economizer connection subsequent use mouthful (1-3);
---the outlet of said condenser (2) connects magnetic valve (7) and first import (5-1) respectively, and magnetic valve (7) is connected with second import (5-2) through expansion valve B (6);
---first outlet (5-3) is connected with said expansion valve A (3); Second outlet (5-4) is connected subsequent use mouthful (1-3) and connects with said economizer, the bulb of expansion valve B (6) is connected second outlet (5-4) and said economizer connects between subsequent use mouthful (1-3).
2. according to the said water-cooled cryogenic refrigeration compressor bank that has economizer of claim 1, it is characterized in that: the outlet of said condenser (2) connects said magnetic valve (7) and first import (5-1) respectively through liquid-sighting glass (10).
3. the water-cooled cryogenic refrigeration compressor bank that has economizer according to claim 1 is characterized in that: establish hand valve B (9) between said air exit (1-2) and the condenser (2).
4. the water-cooled cryogenic refrigeration compressor bank that has economizer according to claim 2 is characterized in that: establish hand valve A (8) between said condenser (2) and the liquid-sighting glass (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203375735U CN202229487U (en) | 2011-09-09 | 2011-09-09 | Water-cooled low-temperature refrigeration compressor set with economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203375735U CN202229487U (en) | 2011-09-09 | 2011-09-09 | Water-cooled low-temperature refrigeration compressor set with economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202229487U true CN202229487U (en) | 2012-05-23 |
Family
ID=46080072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203375735U Expired - Fee Related CN202229487U (en) | 2011-09-09 | 2011-09-09 | Water-cooled low-temperature refrigeration compressor set with economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202229487U (en) |
-
2011
- 2011-09-09 CN CN2011203375735U patent/CN202229487U/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 |