CN205102447U - Compressor cooling refrigerating system - Google Patents

Compressor cooling refrigerating system Download PDF

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Publication number
CN205102447U
CN205102447U CN201520770930.5U CN201520770930U CN205102447U CN 205102447 U CN205102447 U CN 205102447U CN 201520770930 U CN201520770930 U CN 201520770930U CN 205102447 U CN205102447 U CN 205102447U
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CN
China
Prior art keywords
compressor
evaporimeter
pipeline
cooling
refrigerant
Prior art date
Application number
CN201520770930.5U
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Chinese (zh)
Inventor
查晓冬
魏辉
李向威
Original Assignee
苏州必信空调有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 苏州必信空调有限公司 filed Critical 苏州必信空调有限公司
Priority to CN201520770930.5U priority Critical patent/CN205102447U/en
Application granted granted Critical
Publication of CN205102447U publication Critical patent/CN205102447U/en

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Abstract

The utility model discloses a compressor cooling refrigerating system, the evaporation pipeline of the subcooling pipe of the gas vent of compressor, condenser, evaporimeter, throttling arrangement, evaporimeter, the induction port of compressor pass through the pipeline and feed through each other and form the refrigerant cycle pipeline, the export of the subcooling pipe of evaporimeter still through the pipeline with the cooling mouth of compressor intercommunication with the refrigerant from the cooling mouthful leading -in compressor in. Because the refrigerant is earlier from intraductal the passing through of subcooling of evaporimeter, therefore having improved the super -cooled rate of refrigerant, having made the refrigerant subcooling that gets into throttling arrangement and compressor cooling mouthful form liquid totally, the flash has appeared on preventing the connecting line, simultaneously, refrigerant behind the evaporimeter evaporation pipeline subcooling pipe of flowing through carries out the heat transfer with the intraductal hot -fluid of subcooling, carries out thermal treatment to the fluid that gets into the compressor, prevents that the liquid drop from getting into compressor, assurance compressor -running safety.

Description

A kind of compressor cooling refrigeration system

Technical field

The utility model relates to commercial building refrigeration and air-conditioning technical field, particularly relates to a kind of compressor cooling refrigeration system.

Background technology

Large commercial air-conditioning usually uses shell and tube exchanger; particularly the air-conditioning system of shell side walked by cold-producing medium; because space is large; the degree of supercooling of condenser is lower; because pressure drop usually there will be cold-producing medium flass on connecting line; refriger-ant section gasifies and produces gas, exists the service life for the coolant compressor adopting liquid refrigerant cooling and threatens.

And, if the cold-producing medium in connecting line inherently has gas to exist, when large-scale flooded evaporator cold-producing medium boiling, can flow of refrigerant speed be caused fast because original gas refrigerant is heated and carries liquid refrigerant and get back to compressor from air entry, have impact on the stability of compressor operating, dividing plate and filter is adopted slightly to improve, but effect not obvious.

Thus, a kind of compressor cooling refrigeration system that can prevent liquid refrigerant from getting back to compressor, the safe operation of guarantee compressor is badly in need of.

Utility model content

For this reason, the technical problems to be solved in the utility model is to overcome compressor cooling refrigeration system in prior art and cannot eliminates liquid refrigerant completely and enter defect in compressor, thus provides a kind of and can prevent liquid refrigerant from getting back to compressor, ensures the compressor cooling refrigeration system of compressor safe operation.

For achieving the above object, the utility model is by the following technical solutions:

A kind of compressor cooling refrigeration system of the present utility model, comprises at least one compressor, a condenser, a throttling arrangement, an evaporimeter;

The supercooling tube of the exhaust outlet of described compressor, condenser, evaporimeter, throttling arrangement, the evaporation tubes of evaporimeter, the air entry of compressor to be interconnected formation refrigerant circulation line by pipeline, and the outlet of the supercooling tube of evaporimeter is also communicated with to be imported in compressor from cooling vent by cold-producing medium by pipeline with the cooling vent of described compressor.

Further, compressor cooling refrigeration system, described compressor is magnetic suspension oilless (oil free) compressor.

Further, compressor cooling refrigeration system, described evaporimeter is flooded evaporator.

Further, compressor cooling refrigeration system, the heat exchanger tube outer wall in described evaporimeter is provided with pin fin.

Further, compressor cooling refrigeration system, described evaporimeter and condenser are multipaths heat exchanger.

Further, compressor cooling refrigeration system, connects on the exhaust outlet of compressor and the pipeline of condenser and is also provided with check valve.

Further, compressor cooling refrigeration system, the pipeline that the connection cooling vent of compressor and the supercooling tube of evaporimeter export also is provided with water-hammer arrester.

The beneficial effects of the utility model:

Compressor cooling refrigeration system of the present utility model, the supercooling tube of the exhaust outlet of described compressor, condenser, evaporimeter, throttling arrangement, the refrigerant tubing of evaporimeter, the air entry of compressor to be interconnected formation refrigerant circulation line by pipeline, and the outlet of the supercooling tube of evaporimeter is also communicated with to be imported in compressor from cooling vent by cold-producing medium by pipeline with the cooling vent of described compressor.Cold-producing medium is flowed out by above-mentioned setting from compressor after, refrigerant inlet through condenser flows into condenser, flow out from refrigerant outlet again, the supercooling tube of evaporimeter is flowed through from the supercooling tube import of evaporimeter, flow out from the supercooling tube outlet of evaporimeter, cold-producing medium has two flow directions afterwards, wherein one is through throttling arrangement after cold-producing medium flows out from the supercooling tube outlet of evaporimeter, again enter evaporimeter from the refrigerant inlet of evaporimeter, and flow out from the refrigerant outlet of evaporimeter, enter compressor from the air entry of compressor; Another is that cold-producing medium flows out the rear direct inflow of the cooling vent from compressor compressor from the supercooling tube outlet of evaporimeter.Because cold-producing medium first passes through in the supercooling tube of evaporimeter, thus improve the degree of supercooling of cold-producing medium, the cold-producing medium making to enter throttling arrangement and compressor cooling vent is excessively cold is fully formed liquid, prevent from flass appears in connecting line, meanwhile, the flow of refrigerant after evaporator evaporation pipe is through supercooling tube, heat exchange is carried out with the hot fluid in supercooling tube, Overheating Treatment is carried out to the fluid entering compressor, prevents drop from entering compressor, ensure compressor operating safety.

Accompanying drawing explanation

In order to be illustrated more clearly in the specific embodiment of the invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in detailed description of the invention or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

The structural representation of compressor cooling refrigeration system of Fig. 1 for providing in embodiments of the invention 1;

Description of reference numerals:

1-compressor; 11-air entry; 12-exhaust outlet; 13-cooling vent; 2-condenser; 21-cooling water inlet; 22-coolant outlet; 23-refrigerant inlet; 24-refrigerant outlet; 3-throttling arrangement; 4-evaporimeter; The import of 41-chilled water; 42-chilled water outlet; 43-refrigerant inlet; 44-refrigerant outlet; The import of 45-supercooling tube; 46-supercooling tube exports; 47-supercooling tube; 5-compressor cooling line.

Detailed description of the invention

Embodiment 1

The present embodiment provides a kind of compressor cooling refrigeration system, as shown in Figure 1, comprises at least one compressor 1, condenser 2, throttling arrangement 3, evaporimeter 4;

The supercooling tube 47 of the exhaust outlet 12 of described compressor 1, condenser 2, evaporimeter 4, throttling arrangement 3, the evaporation tubes of evaporimeter 4, the air entry 11 of compressor 1 to be interconnected formation refrigerant circulation line by pipeline, and the outlet 46 of the supercooling tube 47 of evaporimeter 4 is also communicated with to be imported in compressor 1 from cooling vent 13 by cold-producing medium by pipeline with the cooling vent 13 of described compressor 1.

Cold-producing medium is flowed out by above-mentioned setting from compressor 1 after, refrigerant inlet 23 through condenser 2 flows into condenser 2, flow out from refrigerant outlet 24 again, the supercooling tube 47 of evaporimeter 4 is flowed through from the supercooling tube import 45 of evaporimeter 4, (after supercooling tube 47, making cold-producing medium complete liquefaction) is flowed out from the supercooling tube outlet 46 of evaporimeter 4, cold-producing medium has two flow directions afterwards, wherein one is through throttling arrangement 3 after cold-producing medium flows out from the supercooling tube outlet 46 of evaporimeter 4, again enter the evaporation tubes of evaporimeter 4 from the evaporation tubes import 43 of evaporimeter 4, and flow out (after evaporator 4, liquid refrigerant liquefies form gaseous refrigerant completely) from the evaporation tubes outlet 44 of evaporimeter 4, enter compressor 1 from the air entry 11 of compressor 1, another is that cold-producing medium flows into compressor 1 from the rear direct cooling vent 13 from compressor 1 of supercooling tube outlet 46 outflow of evaporimeter 4.Because cold-producing medium first passes through in the supercooling tube 47 of evaporimeter 4, thus improve the degree of supercooling of cold-producing medium, the cold-producing medium making to enter throttling arrangement 3 and compressor 1 cooling vent 13 is excessively cold is fully formed liquid, prevent from flass appears in connecting line, meanwhile, the flow of refrigerant after evaporator evaporation pipeline is through supercooling tube, heat exchange is carried out with the hot fluid in supercooling tube, Overheating Treatment is carried out to the fluid entering compressor 1, prevents drop from entering compressor 1, ensure compressor 1 security of operation.

In addition, the compressor cooling refrigeration system of the present embodiment does not need to arrange economizer, reduces the manufacturing cost of equipment.

Described throttling arrangement 3 is electromagnetic expanding valve.

Further, described compressor 1 is magnetic suspension oilless (oil free) compressor.

Magnetic suspension oilless (oil free) compressor non lubricant oil, the noise of energy saving in running high efficient and reliable, generation is low.

Further, described evaporimeter 4 is flooded evaporators.

Flooded type evaporator structure is compact, convenient operation and management, and heat transfer coefficient is higher

Further, the heat exchanger tube outer wall in described evaporimeter 4 is provided with pin fin.

Increase heat exchange area and rate of heat transfer by pin fin, improve the heat transfer effect of cold-producing medium.

Further, described evaporimeter 4 and condenser 2 are multipaths heat exchanger.

Use multipaths heat exchanger, enable cold-producing medium have time enough and heat exchange area is abundant must carry out heat exchange with cooling water or chilled water.

Have cooling water inlet 21 and coolant outlet 42 respectively, evaporimeter 4 has chilled water import 41 and chilled water outlet 42.

Further, connect on the exhaust outlet 2 of compressor 1 and the pipeline of condenser 2 and be also provided with check valve.Check valve is not shown in Figure 1.

Arranging check valve can prevent cold-producing medium from flowing backwards, further the safety of protection compressor 1.

Further, the pipeline (compressor cooling line 5) that the supercooling tube of the cooling vent 13 and evaporimeter 4 that connect compressor 1 exports 46 is also provided with water-hammer arrester.

Water-hammer arrester is set for reducing water hammer effect, protective conduit safety.

Obviously, above-described embodiment is only for clearly example being described, and the restriction not to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.And thus the apparent change of extending out or variation be still among the protection domain of the invention.

Claims (7)

1. a compressor cooling refrigeration system, comprises at least one compressor (1), a condenser (2), a throttling arrangement (3), an evaporimeter (4);
The supercooling tube (47) of the exhaust outlet (12) of described compressor (1), condenser (2), evaporimeter (4), throttling arrangement (3), the evaporation tubes of evaporimeter (4), the air entry (11) of compressor (1) to be interconnected formation refrigerant circulation line by pipeline, and the outlet (46) of the supercooling tube (47) of evaporimeter (4) is also communicated with to be imported in compressor (1) from cooling vent (13) by cold-producing medium by pipeline with the cooling vent (13) of described compressor (1).
2. compressor cooling refrigeration system according to claim 1, is characterized in that, described compressor (1) is magnetic suspension oilless (oil free) compressor.
3. compressor cooling refrigeration system according to claim 1, is characterized in that, described evaporimeter (4) is flooded evaporator.
4. compressor cooling refrigeration system according to claim 3, is characterized in that, the heat exchanger tube outer wall in described evaporimeter (4) is provided with pin fin.
5. the compressor cooling refrigeration system according to any one of claim 1-4, is characterized in that, described evaporimeter and condenser are multipaths heat exchanger.
6. the compressor cooling refrigeration system according to any one of claim 1-4, is characterized in that, connects on the exhaust outlet (2) of compressor (1) and the pipeline of condenser (2) and is also provided with check valve.
7. the compressor cooling refrigeration system according to any one of claim 1-4, it is characterized in that, the cooling vent (13) of connection compressor (1) and the supercooling tube of evaporimeter (4) export on the pipeline of (46) and are also provided with water-hammer arrester.
CN201520770930.5U 2015-09-30 2015-09-30 Compressor cooling refrigerating system CN205102447U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520770930.5U CN205102447U (en) 2015-09-30 2015-09-30 Compressor cooling refrigerating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520770930.5U CN205102447U (en) 2015-09-30 2015-09-30 Compressor cooling refrigerating system

Publications (1)

Publication Number Publication Date
CN205102447U true CN205102447U (en) 2016-03-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520770930.5U CN205102447U (en) 2015-09-30 2015-09-30 Compressor cooling refrigerating system

Country Status (1)

Country Link
CN (1) CN205102447U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107014015A (en) * 2017-05-02 2017-08-04 浙江国祥股份有限公司 Recovery type heat evaporating condensation type handpiece Water Chilling Units

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107014015A (en) * 2017-05-02 2017-08-04 浙江国祥股份有限公司 Recovery type heat evaporating condensation type handpiece Water Chilling Units
CN107014015B (en) * 2017-05-02 2018-08-10 浙江国祥股份有限公司 Recovery type heat evaporating condensation type handpiece Water Chilling Units

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