CN201621893U - Evaporative pre-cooled efficient CO2 refrigerating unit - Google Patents
Evaporative pre-cooled efficient CO2 refrigerating unit Download PDFInfo
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- CN201621893U CN201621893U CN2010201527090U CN201020152709U CN201621893U CN 201621893 U CN201621893 U CN 201621893U CN 2010201527090 U CN2010201527090 U CN 2010201527090U CN 201020152709 U CN201020152709 U CN 201020152709U CN 201621893 U CN201621893 U CN 201621893U
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- condenser
- cooling
- water
- cold
- compressor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model relates to the technical field of refrigeration, in particular to an evaporative pre-cooled efficient CO2 refrigerating unit. The refrigerating unit comprises a compressor, a primary cooling condenser, a re-cooling condenser and an evaporator. The compressor compresses CO2 to form a coolant; the primary cooling condenser is connected with the output end of the compressor, and a condensation fan for air cooling and a cooling water circulating system for water cooling are arranged on the primary cooling condenser; the re-cooling condenser is connected with the output end of the primary cooling condenser and provided with a cooling water circulating system for water cooling; the evaporator is connected with the output end of the re-cooling condenser, a filter and a throttle valve are arranged on a connecting pipeline between the evaporator and the re-cooling condenser, the evaporator is combined into a water tank, and the water tank is provided with a frozen water inlet/outlet; and the output port of the evaporator is connected with the compressor. The refrigerating unit meets the environment-friendly requirement by using the CO2 as the coolant, can provide cold water with proper temperature, meets life or industrial utilization, and has the advantages of reasonable structural design, optimized combination, low manufacturing cost and high cost performance.
Description
Technical field:
The utility model relates to refrigeration technology field, refers in particular to a kind of cooling-water machine of compression-type refrigeration.
Background technology:
Known cooling-water machine be with freon as refrigerant, by compressor work, refrigerant temperature and pressure after the heat absorption are raise (being higher than environment temperature), at this moment, refrigerant just can be the heat transferred environment; Then, by the throttling step-down, refrigerant is evaporation heat absorption at low temperatures again, i.e. heat in the absorption refrigerating water, thus obtain the chilled water of low temperature, so continuous circularly cooling.Freon is a kind of material of non-environmental protection, too much use can cause atmosphere pollution, influence is ecological, thereby, under the form that environmental requirement is progressively improved along with society, the cooling-water machine of traditional freon refrigeration is not also just advocated and is used, so far develop a kind of cooling-water machine of novel environment friendly, then become the problem that industry is paid close attention to.
The spirit that the applicant is adhering to the research innovation, keeping on improving is utilized its professional eye and professional knowledge, works out a kind of with CO
2Be refrigerant, applied range meets the refrigeration unit of industrial utilization.
The utility model content:
It is a kind of with CO that the purpose of this utility model is to provide
2Be refrigerant, the efficient CO of evaporation pre-cooling type of environmental protection, practicality
2Refrigeration unit.
The utility model purpose again provides a kind of structure optimization, and cost is low, the refrigeration unit of good energy-conserving effect.
For achieving the above object, the utility model adopts following technical scheme:
The efficient CO of evaporation pre-cooling type
2Refrigeration unit comprises a compressor, just cold condenser, a cold condenser and an evaporimeter again and again.Compressor is realized compression CO
2Form refrigerant; First cold condenser is docked with the output of compressor, which is provided with the cooling water recirculation system of the usefulness of the condensation fan of air-cooled usefulness and water-cooled; Cold again condenser is docked with the output of cold condenser just, and cold again condenser is provided with the cooling water recirculation system of the usefulness of water-cooled; Evaporimeter is docked with the output of cold condenser again, and is provided with filter and choke valve on the connecting line between evaporimeter and the cold again condenser, and evaporimeter is incorporated in the water tank, and water tank is provided with chilled water and imports and exports; The delivery outlet of evaporimeter connects compressor.
Described cold condenser just transport CO
2The pipeline of refrigerant is a total points tactic pattern in a word, and promptly a house steward advances to be divided into many again and is in charge of before this, and then gathers output.
Described evaporimeter transport CO
2The pipeline of refrigerant is a total points tactic pattern in a word, and promptly a house steward advances to be divided into many again and is in charge of before this, and then gathers output; And gather the house steward caliber of the caliber of output greater than input.
The total points of the first cold condenser pipeline of structure in a word has one or more levels.
Be compared with the prior art, the utility model is with CO
2As refrigerant, satisfy environment protection requirement, the cold water of thermophilic can be provided, satisfy life or industry utilization, reasonable in design, and optimum organization, cost of manufacture is low, the cost performance height.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is the CO that transports of first cold condenser
2The structural representation of the pipeline of refrigerant;
Accompanying drawing 3 is the CO that transports of evaporimeter
2The structural representation of the pipeline of refrigerant.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further specified:
The efficient CO of evaporation pre-cooling type shown in Figure 1, that the utility model provides
2Refrigeration unit comprises a compressor 1, just cold condenser 2, a cold condenser 3 and an evaporimeter 4 again and again.
Compressor 1 can realize compressing CO
2Form refrigerant, this compressor 1 is with commercial acquisition.
First cold condenser 2 is docked with the output of compressor 1, which is provided with the cooling water recirculation system of the usefulness of the condensation fan 21 of air-cooled usefulness and water-cooled.Shown in Figure 2, first cold condenser 2 transport CO
2The pipeline of refrigerant is a total points tactic pattern in a word, promptly a house steward 2a advances to be divided into many again and is in charge of 2b before this, and then gathers output, and this pipeline has one-level to be in charge of or multistage being in charge of, every grade to be in charge of number identical or different, and the caliber of input house steward's caliber and delivery trunk can be identical or different.Be in charge of 2b for many and can strengthen heat exchange area, efficient is higher; First cold condenser 2 is furnished with air-cooled and two kinds of refrigerating modes of water-cooled simultaneously, realizes that refrigerant heat transferred environment and cooling water, reaches precooling effect efficiently, makes CO
2Refrigerant fast cooling, step-down promote unit work.
Cold again condenser 3 is docked with the output of cold condenser 2 just, and cold again condenser 3 is provided with the cooling water recirculation system of the usefulness of water-cooled, realizes cold again effect with water-cooling pattern, thereby obtains the CO of preference temperature and pressure
2Refrigerant; Cold again condenser 3 cooperates with first cold condenser 2, reaches twin-stage and efficiently cools off, and satisfies CO
2The refrigerant job requirement.
Evaporimeter 4 is docked with the output of cold condenser 3 again, and is provided with filter 5 and choke valve 6 on the connecting line between evaporimeter 4 and the cold again condenser 3, and evaporimeter 4 is incorporated in the water tank 7, and water tank 7 is provided with chilled water and imports and exports 71,72; The delivery outlet of evaporimeter 4 connects compressor 1, reaches periodic duty.Shown in Figure 3, evaporimeter 4 transport CO
2The pipeline of refrigerant is a total points tactic pattern in a word, and promptly a house steward 4a advances to be divided into many again and is in charge of 4b before this, and then gathers output; And the caliber of pipeline 4c that gathers output is greater than the caliber of the house steward 4a of input.This structure can improve heat absorption efficiency, promotes refrigeration, obtains chilled water ideally, and this structure also can be with CO
2The refrigerant step-down is with suitable compressor 1 recompression work.
The utility model course of work is described below:
1), compressor 1 gets electric work with CO
2Be compressed into the refrigerant of high temperature, high pressure, export to cold condenser 2 just then.
2), the cooling water recirculation system of the usefulness of the condensation fan 21 of the air-cooled usefulness on the first cold condenser 2 and water-cooled is worked simultaneously, the heat of the refrigerant of high temperature, high pressure is passed, realize the first temperature and pressure that reduces, the total points general construction design of first cold condenser 2 internal duct, can satisfy the requirement of first cooling, step-down, the refrigerant that obtains preference temperature and pressure is exported to cold condenser 3 again.
3), cold condenser 3 is realized cold again effect with water-cooling pattern again, export more the refrigerant of low temperature and pressure and give evaporimeter 4.
4), refrigerant is defeated by before the evaporimeter 4, through filter 5 and choke valve 6 effects, filter and regulate flow, further throttling step-down, refrigerant enters evaporimeter 4 evaporation heat absorption at low temperatures again then, promptly absorb the heat of chilled water in the water tank 7, thereby the chilled water that acquisition is wanted is used for life or industry use.
5), the high temperature of evaporimeter 4 outputs, the refrigerant of low pressure then enter in the compressor 1 circularly cooling like this.
The utility model mainly is to adopt the twin-stage cooling, and does design rationally on the pipeline of first cold condenser 2 and evaporimeter 4, reaches and utilizes CO
2Freeze as refrigerant,, satisfy environment protection requirement, the cold water of thermophilic can be provided, satisfy life or industry utilization to substitute the freon of traditional non-environmental protection, reasonable in design, and optimum organization, cost of manufacture is low, the cost performance height.More than diagram is preferred embodiment of the present utility model only, is not to limit practical range of the present utility model with this, so every principle according to the utility model is done the equivalence variation or modified, and all should be covered by in the protection domain of the present utility model.
Claims (4)
1. evaporate the efficient CO of pre-cooling type
2Refrigeration unit is characterized in that: comprise
One compressor is realized compression CO
2Form refrigerant;
One first cold condenser is docked with the output of compressor, which is provided with the cooling water recirculation system of the usefulness of the condensation fan of air-cooled usefulness and water-cooled;
Cold again and again condenser is docked with the output of cold condenser just, and cold again condenser is provided with the cooling water recirculation system of the usefulness of water-cooled;
One evaporimeter is docked with the output of cold condenser again, and is provided with filter and choke valve on the connecting line between evaporimeter and the cold again condenser, and evaporimeter is incorporated in the water tank, and water tank is provided with chilled water and imports and exports; The delivery outlet of evaporimeter connects compressor.
2. the efficient CO of evaporation pre-cooling type according to claim 1
2Refrigeration unit is characterized in that: described cold condenser just transport CO
2The pipeline of refrigerant is a total points tactic pattern in a word, and promptly a house steward advances to be divided into many again and is in charge of before this, and then gathers output.
3. the efficient CO of evaporation pre-cooling type according to claim 1
2Refrigeration unit is characterized in that: described evaporimeter transport CO
2The pipeline of refrigerant is a total points tactic pattern in a word, and promptly a house steward advances to be divided into many again and is in charge of before this, and then gathers output; And gather the house steward caliber of the caliber of output greater than input.
4. the efficient CO of evaporation pre-cooling type according to claim 2
2Refrigeration unit is characterized in that: the total points of the first cold condenser pipeline of structure in a word has one or more levels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201527090U CN201621893U (en) | 2010-03-31 | 2010-03-31 | Evaporative pre-cooled efficient CO2 refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201527090U CN201621893U (en) | 2010-03-31 | 2010-03-31 | Evaporative pre-cooled efficient CO2 refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201621893U true CN201621893U (en) | 2010-11-03 |
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ID=43025349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201527090U Expired - Fee Related CN201621893U (en) | 2010-03-31 | 2010-03-31 | Evaporative pre-cooled efficient CO2 refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201621893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839481A (en) * | 2017-04-07 | 2017-06-13 | 北京丰联奥睿科技有限公司 | A kind of cooling unit with auxiliary cold source |
-
2010
- 2010-03-31 CN CN2010201527090U patent/CN201621893U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839481A (en) * | 2017-04-07 | 2017-06-13 | 北京丰联奥睿科技有限公司 | A kind of cooling unit with auxiliary cold source |
| CN106839481B (en) * | 2017-04-07 | 2022-06-07 | 北京丰联奥睿科技有限公司 | Cooling unit with auxiliary cold source |
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Legal Events
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20160331 |