CN102996408A - Improved water-cooled low-temperature refrigeration compressor unit - Google Patents
Improved water-cooled low-temperature refrigeration compressor unit Download PDFInfo
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- CN102996408A CN102996408A CN 201110266672 CN201110266672A CN102996408A CN 102996408 A CN102996408 A CN 102996408A CN 201110266672 CN201110266672 CN 201110266672 CN 201110266672 A CN201110266672 A CN 201110266672A CN 102996408 A CN102996408 A CN 102996408A
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Abstract
The invention relates to a thermodynamic cycle device, in particular to an improved water-cooled low-temperature refrigeration compressor unit. The refrigeration compressor unit comprises a compressor (1), a condenser (2), an expansion valve A (3) and an evaporator (4). An exhaust outlet (1-2) of the compressor (1) is connected with the condenser (2), the expansion valve A (3) and the evaporator (4) respectively, and an oil-gas separator (5), an oil cooler (6) and an oil filter (14) are arranged among the condenser (2), the exhaust outlet (1-2) and a spare oil port (1-3); and the oil filter (14) is connected with the spare oil port (1-3) of the compressor (1). The improved water-cooled low-temperature refrigeration compressor unit has the advantages that faults caused by oil consumption of the compressor are reduced.
Description
Technical field
The present invention relates to a kind of thermodynamic cycle device, particularly a kind of a kind of improved water-cooled type low temperature 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, refrigerant vapor is 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 simultaneously system 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.
China Patent Publication No. CN101089518A discloses a kind of air-cooled water-cooled two-evaporimeter hot-water machine group, it has one by compressor, water cooled condenser, air-cooled vaporizer, the refrigeration cycle that the water-cooled vaporizer forms, this loop is provided with controller, compressor connects water cooled condenser by a four-way valve, be connected with on the water cooled condenser into, water outlet, water cooled condenser connects heating power expansion valve, the outlet of heating power expansion valve connects respectively water-cooled vaporizer and air-cooled vaporizer, the water-cooled vaporizer be provided with into, water outlet, the water-cooled vaporizer be connected vaporizer and connect four-way valve, four-way valve connects the refrigerant-cycle systems of compressor.It is mainly not enough: the lubricant oil in the compressor without any processing, is broken down easily.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, provide a kind of compressor that reduces with a kind of improved water-cooled type low temperature refrigeration compressor bank of oily fault.
For realizing above-mentioned technical purpose, the present invention is by the following technical solutions: a kind of improved water-cooled type low temperature refrigeration compressor bank, it comprises: compressor, comprise refrigerant import and refrigerant exit condenser, comprise expansion valve A and the vaporizer of temperature-sensitive bag, compressor is the middle temperature helical-lobe compressor that comprises suction inlet, exhaust outlet and oil mouth for subsequent use, exhaust outlet connects condenser, expansion valve A, vaporizer and suction inlet successively, the temperature-sensitive bag 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 the first import, oil cooler the second import, oil cooler the first outlet and oil cooler the second outlet between described condenser, exhaust outlet and the oil mouth for subsequent use;
---described exhaust outlet connects the deaerator import, and the outlet of deaerator gas is connected with described condenser, and the deaerator oil export is connected with oil cooler the first import;
---described refrigerant import connects oil cooler the second import, and described refrigerant exit connects oil cooler the first outlet;
---oil cooler the second outlet is connected by for subsequent use mouthful of oil strainer and described oil.
Further, the outlet of described condenser connects described expansion valve A by liquid-sighting glass A; Described oil strainer connects for subsequent use mouthful of described oil by liquid-sighting glass B.
Further, establish hand valve C between described exhaust outlet and the condenser.
Further, establish hand valve D between described oil cooler the second outlet and the oil strainer.
Further, establish hand valve A between described condenser and the liquid-sighting glass A; Establish hand valve B between described liquid-sighting glass A and the expansion valve A; Establish solenoid valve between described oil strainer and the liquid-sighting glass B.
After adopting technique scheme, the present invention 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 the 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 schematic representation of the present invention.
Among the figure: 1, compressor, 1-1, suction inlet, 1-2, exhaust outlet, 1-3, for subsequent use mouthful of oil, 2, condenser, 2-1, the refrigerant import, 2-2, refrigerant exit, 3, expansion valve, 4, vaporizer, 5, deaerator, 5-1, the deaerator import, 5-2, the outlet of deaerator gas, 5-3, the deaerator oil export, 6, oil cooler, 6-1, oil cooler the first import, 6-2, oil cooler the second import, 6-3, oil cooler the first outlet, 6-4, oil cooler the 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 the drawings and specific embodiments, the present invention is described in further detail.
Embodiment
As shown in Figure 1, a kind of improved water-cooled type low temperature refrigeration compressor bank, it comprises: compressor 1, condenser 2, the expansion valve A3 that comprises the temperature-sensitive bag and vaporizer 4.
Compressor 1 is the middle temperature helical-lobe compressor that comprises suction inlet 1-1, exhaust outlet 1-2 and for subsequent use mouthful of 1-3 of oil.Condenser 2 comprises refrigerant import 2-1 and refrigerant exit 2-2.
Exhaust outlet 1-2 connects condenser 2, expansion valve A3, vaporizer 4 and suction inlet 1-1 successively, and the temperature-sensitive bag 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 for 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 oil cooler the first import 6-1, oil cooler the second import 6-2, oil cooler the first outlet 6-3 and oil cooler the 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 oil cooler the first import 6-1.
Refrigerant import 2-1 connects oil cooler the second import 6-2, and refrigerant exit 2-2 connects oil cooler the first outlet 6-3.
Oil cooler the second outlet 6-4 is connected by for subsequent use mouthful of 1-3 of oil strainer 14 and oil.
During normal operation, compressor 1 operation, refrigeration agent is back to compressor 1 by 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 by refrigerant import 2-1, oil cooler the second import 6-2, oil cooler the first outlet 6-3 and refrigerant exit 2-2.Cooled lubricant oil enters oily for subsequent use mouthful of 1-3 of compressor 1 successively by oil cooler the 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 by liquid-sighting glass A8.Oil strainer 14 connects for subsequent use mouthful of 1-3 of oil by liquid-sighting glass B11.
During normal operation, compressor 1 operation, refrigeration agent is back to compressor 1 by 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 by refrigerant import 2-1, oil cooler the second import 6-2, oil cooler the first outlet 6-3 and refrigerant exit 2-2.Cooled lubricant oil enters oily for subsequent use mouthful of 1-3 of compressor 1 successively by oil cooler the 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 the second outlet 6-4 and the oil strainer 14.Establish solenoid valve 12 between oil strainer 14 and the liquid-sighting glass B11.
The invention is not restricted to above-described embodiment, the technological scheme that all employings are equal to or the equivalence replacement forms all falls into the protection domain that the present invention requires.
Claims (5)
1. improved water-cooled type low temperature 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 the temperature-sensitive bag) and vaporizer (4), compressor (1) is to comprise suction inlet (1-1), the middle temperature helical-lobe compressor of exhaust outlet (1-2) and oil for subsequent use mouthful (1-3), exhaust outlet (1-2) connects condenser (2) successively, expansion valve A(3), vaporizer (4) and suction inlet (1-1), expansion valve A(3) temperature-sensitive bag 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 the first import (6-1), oil cooler the second import (6-2), oil cooler the first outlet (6-3) and oil cooler the second outlet (6-4) between described condenser (2), exhaust outlet (1-2) and the oil for subsequent use mouthful (1-3);
---described exhaust outlet (1-2) connects deaerator import (5-1), and deaerator gas outlet (5-2) is connected with described condenser (2), and deaerator oil export (5-3) is connected with oil cooler the first import (6-1);
---described refrigerant import (2-1) connects oil cooler the second import (6-2), and described refrigerant exit (2-2) connects oil cooler the first outlet (6-3);
---oil cooler the second outlet (6-4) is connected by oil strainer (14) and described oil for subsequent use mouthful (1-3).
2. described a kind of improved water-cooled type low temperature refrigeration compressor bank according to claim 1, it is characterized in that: the outlet of described condenser (2) is by liquid-sighting glass A(8) connect described expansion valve A(3); Described oil strainer (14) is by liquid-sighting glass B(11) for subsequent use mouthful of described oil of connection (1-3).
3. described a kind of improved water-cooled type low temperature refrigeration compressor bank according to claim 1 is characterized in that: establish hand valve C(10 between described exhaust outlet (1-2) and the condenser (2)).
4. described a kind of improved water-cooled type low temperature refrigeration compressor bank according to claim 1 is characterized in that: establishes hand valve D(13 between described oil cooler the second outlet (6-4) and the oil strainer (14)).
5. described a kind of improved water-cooled type low temperature refrigeration compressor bank according to claim 2 is characterized in that: described condenser (2) and liquid-sighting glass A(8) between establish hand valve A(7); Described liquid-sighting glass A(8) and expansion valve A(3) between establish hand valve B(9); Described oil strainer (14) and liquid-sighting glass B(11) between establish solenoid valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266672 CN102996408A (en) | 2011-09-09 | 2011-09-09 | Improved water-cooled low-temperature refrigeration compressor unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110266672 CN102996408A (en) | 2011-09-09 | 2011-09-09 | Improved water-cooled low-temperature refrigeration compressor unit |
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| CN102996408A true CN102996408A (en) | 2013-03-27 |
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| CN 201110266672 Pending CN102996408A (en) | 2011-09-09 | 2011-09-09 | Improved water-cooled low-temperature refrigeration compressor unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396373A (en) * | 2022-01-28 | 2022-04-26 | 烟台珈群高效节能设备有限公司 | Oil cooling subsystem of evaporative condenser |
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2011
- 2011-09-09 CN CN 201110266672 patent/CN102996408A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396373A (en) * | 2022-01-28 | 2022-04-26 | 烟台珈群高效节能设备有限公司 | Oil cooling subsystem of evaporative condenser |
| CN114396373B (en) * | 2022-01-28 | 2024-01-16 | 烟台珈群高效节能设备有限公司 | Oil cooling subsystem for evaporative condenser |
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Application publication date: 20130327 |