CN204555401U - Evaporation cold type Cool-water Machine for Industry group - Google Patents
Evaporation cold type Cool-water Machine for Industry group Download PDFInfo
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- CN204555401U CN204555401U CN201520200925.0U CN201520200925U CN204555401U CN 204555401 U CN204555401 U CN 204555401U CN 201520200925 U CN201520200925 U CN 201520200925U CN 204555401 U CN204555401 U CN 204555401U
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- compressor
- heat exchanger
- condenser
- cooling water
- industry group
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Abstract
The utility model discloses a kind of evaporation cold type Cool-water Machine for Industry group, comprise compressor, condenser, expansion valve and evaporimeter, being provided with the heat exchanger of the lubricating oil for cooling described compressor between described condenser and expansion valve, between described compressor, described condenser, described expansion valve, described heat exchanger and described evaporimeter, forming a coolant refrigeration loop; The first fluid channel entrance of described heat exchanger is connected to the refrigerant exit of described condenser, and the first fluid channel outlet of described heat exchanger is connected to the refrigerant import of described expansion valve; The lubricating oil of compressor described in the second fluid channel connection of described heat exchanger.Evaporation cold type Cool-water Machine for Industry group of the present utility model, can ensure compressor lubricant oil lubricant effect, extends compressor service life.
Description
Technical field
The utility model relates to technical field of refrigeration equipment, specifically, relates to a kind of evaporation cold type Cool-water Machine for Industry group.
Background technology
Refrigeration system is widely used in each technical fields such as chemical industry processing procedure, industrial production, food, freezing and refrigeration.Existing Cool-water Machine for Industry group generally comprises compressor, condenser, expansion valve and evaporimeter, forms a coolant refrigeration loop between them.
Existing Cool-water Machine for Industry group is in running, and the lubricating oil of compressor does not have cooling provision, and compressor is in the process of high temperature operation, and lubricating oil is easily raised to higher temperature.Lubricating oil is in the condition of high temperature for a long time, and one is to affect lubricant effect, and two is easily make the part of compressor comparatively fast aging, reduces the service life of compressor.
Utility model content
Technical problem to be solved in the utility model is: provide one can ensure compressor lubricant oil lubricant effect, extends the evaporation cold type Cool-water Machine for Industry group in compressor service life.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of evaporation cold type Cool-water Machine for Industry group, comprise compressor, condenser, expansion valve and evaporimeter, being provided with the heat exchanger of the lubricating oil for cooling described compressor between described condenser and expansion valve, between described compressor, described condenser, described expansion valve, described heat exchanger and described evaporimeter, forming a coolant refrigeration loop;
The first fluid channel entrance of described heat exchanger is connected to the refrigerant exit of described condenser, and the first fluid channel outlet of described heat exchanger is connected to the refrigerant import of described expansion valve; The lubricating oil of compressor described in the second fluid channel connection of described heat exchanger.
Preferably, the refrigerant pipe between described heat exchanger and described condenser is provided with Siphon pot.
Preferably, described heat exchanger is plate type heat exchanger.
Preferably, described evaporimeter is horizontal-type evaporator, is laid with snakelike heat exchange tube in described horizontal-type evaporator.
Preferably, described condenser is evaporative condenser, the below of described evaporative condenser is provided with cooling water tank, the top of described evaporative condenser is provided with water distributor, described water distributor is evenly laid with water knockout drum, and the cooling water in described cooling water tank is delivered to described water distributor by cooling water pump;
Air intake space is left between described evaporative condenser and described cooling water tank, the unit casing sidewall at described air intake space place is provided with air inlet, the unit casing of the top of described evaporative condenser is provided with air-cooler, and on described unit casing, corresponding described air-cooler place is provided with air outlet.
Preferably, described horizontal-type evaporator and described cooling water tank are disposed side by side on unit base, and the top of described horizontal-type evaporator is located at by described compressor.
Preferably, separate respectively by steel plate between described horizontal-type evaporator, described cooling water tank and described evaporative condenser, between described cooling water tank and described evaporative condenser, form the independently cold wind cyclic space.
Preferably, described compressor is semi-closed screw type compressor.
After have employed technique scheme, the beneficial effects of the utility model are:
The utility model provides a kind of evaporation cold type Cool-water Machine for Industry group, arranging heat exchanger, cooling for giving the lubricating oil of compressor between condenser and expansion valve.Refrigerant enters the first fluid passage of heat exchanger from the refrigerant exit of condenser, the lubrication oil circulation of compressor enters the second fluid passage of heat exchanger, refrigerant in compressor lubricant oil in second fluid passage and first fluid passage carries out heat exchange, the temperature of the compressor lubricant oil in second fluid passage is reduced, and then loop back in compressor and play lubrication, to avoid the lubricating oil temperature in compressor too high, ensure that the lubricant effect of the lubricating oil in compressor, compressor operating is stablized, extends the service life of compressor.
In the utility model, the refrigerant pipe between heat exchanger and described condenser is provided with Siphon pot.Utilize siphon principle to make the refrigerant in condenser constantly enter in the first fluid passage of heat exchanger, carry out heat exchange with the compressor lubricant oil in second fluid passage, make use of siphon power, thus relatively can reduce the power of the assembling unit, economize energy.
In the utility model, described condenser is evaporative condenser, the below of described evaporative condenser is provided with cooling water tank, the top of described evaporative condenser is provided with water distributor, described water distributor is evenly laid with water knockout drum, and the cooling water in described cooling water tank is delivered to described water distributor by cooling water pump; Air intake space is left between described evaporative condenser and described cooling water tank, the unit casing sidewall at described air intake space place is provided with air inlet, the unit casing of the top of described evaporative condenser is provided with air-cooler, and the corresponding described air-cooler place of described unit casing is provided with air outlet.Enter into condenser from the high pressure, high temperature refrigerant of compressor discharge to run, carry out heat exchange.Cooling water in cooling water tank is pumped in water distributor by cooling water pump, water knockout drum on water distributor sprays on the heat exchange working surface of evaporative condenser downwards, under the draft effect of air-cooler, the cold wind of unit casing outside enters the air intake space between cooling water tank and evaporative condenser from air inlet, upwards from air outlet shedder assembly housing, cold wind circulation is formed at the heat exchange working surface of evaporative condenser, circulation cold air and the cooling water sprayed carry out exchange heat, and the heat inside cooling water is extracted out discharged to atmosphere by air-cooler.Cryogen gaseous heat release on the heat exchange working surface of evaporative condenser of HTHP, cold-producing medium becomes the refrigerant liquid of middle temperature high pressure from the cryogen gaseous of HTHP.This water-cooled adds the air-cooled type of cooling, and heat transfer efficiency is high, and substantially increase the Energy Efficiency Ratio of evaporation cold type Cool-water Machine for Industry group, energy-saving effect is obvious, and operating cost is low.
In the utility model, described horizontal-type evaporator and described cooling water tank are disposed side by side on unit base, and the top of cooling water tank is located at by evaporative condenser, and make unit compact overall structure, floor space is few.
In the utility model, adopt snakelike heat exchange tube in horizontal-type evaporator, heat exchange efficiency is high, improves the Energy Efficiency Ratio of whole unit.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is forward sight structural representation of the present utility model;
Fig. 2 is left TV structure schematic diagram of the present utility model;
Fig. 3 is right TV structure schematic diagram of the present utility model;
Fig. 4 is backsight structural representation of the present utility model;
Fig. 5 is the air-cooled schematic diagram (in figure, the direction of arrow is cold wind flow direction) of the evaporative condenser in Fig. 1;
In figure: 1, horizontal-type evaporator; 2, chilled water outlet; 3, plate type heat exchanger; 4, compressor; 5, Siphon pot; 6, blast pipe; 7, evaporative condenser; 8, air-cooler; 9, water distributor; 10, water knockout drum; 11, unit casing; 12, air intake duct; 13, chilled water inlet; 14, expansion valve; 15, device for drying and filtering; 16, unit base; 17, air inlet; 18, cooling water pump; 19, cooling water tank; 20, high-pressure reservoir.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of evaporation cold type Cool-water Machine for Industry group, comprise compressor 4, evaporative condenser 7, expansion valve 14 and horizontal-type evaporator 1, snakelike heat exchange tube is laid with in horizontal-type evaporator 1, be provided with the plate type heat exchanger 3 for the lubricating oil of cooling compressor 4 between evaporative condenser 7 and expansion valve 14, between compressor 4, evaporative condenser 7, expansion valve 14, plate type heat exchanger 3 and horizontal-type evaporator 1, form a coolant refrigeration loop.
The first fluid channel entrance of plate type heat exchanger 3 is connected to the refrigerant exit of evaporative condenser 7, and the first fluid channel outlet of plate type heat exchanger 3 is connected to the refrigerant import of expansion valve 14; The lubricating oil of the second fluid channel connection compressor 4 of plate type heat exchanger 3.
Wherein, the refrigerant pipe between plate type heat exchanger 3 and evaporative condenser 7 is provided with Siphon pot 5.
The below of evaporative condenser 7 is provided with cooling water tank 19, and the top of evaporative condenser 7 is provided with water distributor 9, and water distributor 9 is evenly laid with water knockout drum 10, and the cooling water in cooling water tank 19 is delivered to water distributor 9 by cooling water pump 18; Air intake space is left between evaporative condenser 7 and cooling water tank 19, the sidewall of the unit casing 11 at air intake space place is provided with air inlet 17, the unit casing 11 of the top of evaporative condenser 7 is provided with air-cooler 8, and unit casing 11 corresponding air-cooler 8 place is provided with air outlet.
Horizontal-type evaporator 1 and cooling water tank 19 are disposed side by side on unit base 16, and the top of cooling water tank 19 is located at by evaporative condenser 7, and the top of horizontal-type evaporator 1 is located at by compressor 4, and make unit compact overall structure, floor space is few.
Separate respectively by steel plate between horizontal-type evaporator 1, cooling water tank 19 and evaporative condenser 7, between cooling water tank 19 and evaporative condenser 7, form the independently cold wind cyclic space.
Compressor 4 is semi-closed screw type compressor.
The running of the evaporation cold type Cool-water Machine for Industry group of the present embodiment is as follows:
It is inner that refrigerating medium enters horizontal-type evaporator 1 from the chilled water inlet 13 of horizontal-type evaporator 1, the liquid refrigerants lower with the temperature in the inner coiled pipe of horizontal-type evaporator 1 carries out heat exchange, refrigerant temperature is reduced, and the refrigerating medium reduced after temperature flows out from chilled water outlet 2, uses for user.Simultaneously, liquid refrigerants becomes gaseous coolant after absorbing heat, gaseous coolant is sucked by compressor 4 by air intake duct 12, improve pressure and temperature in compressor 4 inside through overcompression, form the gaseous coolant of HTHP, the gaseous coolant of HTHP enters evaporative condenser 7 through blast pipe 6, cooled by air-cooled and complex method that is water-cooled in evaporative condenser 7, particularly, the high pressure, high temperature refrigerant of discharging from compressor 4 enters into evaporative condenser 7 operation, carries out heat exchange.Cooling water in cooling water tank 19 is pumped in water distributor 9 by cooling water pump, water knockout drum 10 on water distributor 9 sprays on the heat exchange working surface of evaporative condenser 7 downwards, under the draft effect of air-cooler 8, the cold wind of unit casing 11 outside enters the air intake space between cooling water tank 19 and evaporative condenser 7 from air inlet 17, upwards from air outlet shedder assembly housing 11, cold wind circulation is formed at the heat exchange working surface of evaporative condenser 7, circulation cold air and the cooling water sprayed carry out exchange heat, heat inside cooling water is extracted out discharged to atmosphere by air-cooler.Cryogen gaseous heat release on the heat exchange working surface of evaporative condenser 7 of HTHP, cold-producing medium becomes the refrigerant liquid of middle temperature high pressure from the cryogen gaseous of HTHP.This water-cooled adds the air-cooled type of cooling, and heat transfer efficiency is high, and substantially increase the Energy Efficiency Ratio of evaporation cold type Cool-water Machine for Industry group, energy-saving effect is obvious, and operating cost is low.
The gaseous coolant of HTHP is cooled to high-pressure liquid refrigerant in evaporative condenser 7, high-pressure liquid refrigerant enters the first fluid passage of plate type heat exchanger 3 from the refrigerant exit of evaporative condenser 7, the lubrication oil circulation of compressor 4 enters the second fluid passage of plate type heat exchanger 3, refrigerant in compressor lubricant oil in second fluid passage and first fluid passage carries out heat exchange, the temperature of the compressor lubricant oil in second fluid passage is reduced, and then loop back in compressor 4 and play lubrication, to avoid the lubricating oil temperature in compressor 4 too high, ensure that the lubricant effect of the lubricating oil in compressor 4, make compressor 4 stable, extend the service life of compressor 4.
The liquid refrigerants of warm high pressure during refrigerant is formed after heat exchange in plate type heat exchanger 3, the liquid refrigerants of middle temperature high pressure enters high-pressure reservoir 20 and temporarily stores, liquid refrigerants in high-pressure reservoir 20 becomes the liquid refrigerants of low-temp low-pressure after device for drying and filtering 15 filters through overexpansion valve 14, the liquid refrigerants of low-temp low-pressure enters horizontal-type evaporator 1, inner at horizontal-type evaporator 1, the liquid refrigerants volume of low-temp low-pressure becomes rapidly large, pressure reduces, absorb heat, with refrigerating medium heat-shift, so go round and begin again, realize kind of refrigeration cycle.Wherein, expansion valve 14 is arranged on the air intake duct 12 of horizontal-type evaporator 1, and the air intake duct 12 at expansion valve 14 place is provided with temperature sensor, for detecting the temperature in air intake duct, decides the open degree of expansion valve 14 according to the temperature in the air intake duct 12 detected.
In the present embodiment, the refrigerant pipe between plate type heat exchanger 3 and evaporative condenser 7 is provided with Siphon pot 5.Siphon principle is utilized to make the refrigerant in evaporative condenser 7 constantly enter in the first fluid passage of plate type heat exchanger 3, heat exchange is carried out with the compressor lubricant oil in second fluid passage, make use of siphon power, thus relatively can reduce the power of the assembling unit, economize energy.
In the present embodiment, adopt snakelike heat exchange tube in horizontal-type evaporator 1, heat exchange efficiency is high, improves the Energy Efficiency Ratio of whole unit.
The above is the citing of the utility model preferred forms, and the part wherein do not addressed in detail is the common practise of those of ordinary skill in the art.Protection domain of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection domain of the present utility model.
Claims (8)
1. evaporate cold type Cool-water Machine for Industry group, comprise compressor, condenser, expansion valve and evaporimeter, it is characterized in that: the heat exchanger being provided with the lubricating oil for cooling described compressor between described condenser and expansion valve, between described compressor, described condenser, described expansion valve, described heat exchanger and described evaporimeter, forming a coolant refrigeration loop;
The first fluid channel entrance of described heat exchanger is connected to the refrigerant exit of described condenser, and the first fluid channel outlet of described heat exchanger is connected to the refrigerant import of described expansion valve; The lubricating oil of compressor described in the second fluid channel connection of described heat exchanger.
2. evaporation cold type Cool-water Machine for Industry group as claimed in claim 1, is characterized in that: the refrigerant pipe between described heat exchanger and described condenser is provided with Siphon pot.
3. evaporation cold type Cool-water Machine for Industry group as claimed in claim 2, is characterized in that: described heat exchanger is plate type heat exchanger.
4. the evaporation cold type Cool-water Machine for Industry group as described in any one of claims 1 to 3, is characterized in that: described evaporimeter is horizontal-type evaporator, is laid with snakelike heat exchange tube in described horizontal-type evaporator.
5. evaporation cold type Cool-water Machine for Industry group as claimed in claim 4, it is characterized in that: described condenser is evaporative condenser, the below of described evaporative condenser is provided with cooling water tank, the top of described evaporative condenser is provided with water distributor, described water distributor is evenly laid with water knockout drum, and the cooling water in described cooling water tank is delivered to described water distributor by cooling water pump;
Air intake space is left between described evaporative condenser and described cooling water tank, the unit casing sidewall at described air intake space place is provided with air inlet, the unit casing of the top of described evaporative condenser is provided with air-cooler, and on described unit casing, corresponding described air-cooler place is provided with air outlet.
6. evaporation cold type Cool-water Machine for Industry group as claimed in claim 5, is characterized in that: described horizontal-type evaporator and described cooling water tank are disposed side by side on unit base, and the top of described horizontal-type evaporator is located at by described compressor.
7. evaporation cold type Cool-water Machine for Industry group as claimed in claim 6, it is characterized in that: separate respectively by steel plate between described horizontal-type evaporator, described cooling water tank and described evaporative condenser, between described cooling water tank and described evaporative condenser, form the independently cold wind cyclic space.
8. evaporation cold type Cool-water Machine for Industry group as claimed in claim 7, is characterized in that: described compressor is semi-closed screw type compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200925.0U CN204555401U (en) | 2015-04-03 | 2015-04-03 | Evaporation cold type Cool-water Machine for Industry group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200925.0U CN204555401U (en) | 2015-04-03 | 2015-04-03 | Evaporation cold type Cool-water Machine for Industry group |
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| Publication Number | Publication Date |
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| CN204555401U true CN204555401U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520200925.0U Expired - Fee Related CN204555401U (en) | 2015-04-03 | 2015-04-03 | Evaporation cold type Cool-water Machine for Industry group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608602A (en) * | 2023-07-20 | 2023-08-18 | 荏原冷热***（中国）有限公司 | Centrifugal unit and control method thereof |
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2015
- 2015-04-03 CN CN201520200925.0U patent/CN204555401U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116608602A (en) * | 2023-07-20 | 2023-08-18 | 荏原冷热***（中国）有限公司 | Centrifugal unit and control method thereof |
| CN116608602B (en) * | 2023-07-20 | 2023-10-13 | 荏原冷热***（中国）有限公司 | Centrifugal unit and control method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20190403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |