CN203964433U - A kind of carbon dioxide refrigeration apparatus structure - Google Patents
A kind of carbon dioxide refrigeration apparatus structure Download PDFInfo
- Publication number
- CN203964433U CN203964433U CN201420415804.3U CN201420415804U CN203964433U CN 203964433 U CN203964433 U CN 203964433U CN 201420415804 U CN201420415804 U CN 201420415804U CN 203964433 U CN203964433 U CN 203964433U
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- carbon
- condenser
- evaporimeter
- choke valve
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 118
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 59
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 59
- 238000005057 refrigeration Methods 0.000 title claims abstract description 15
- 239000003507 refrigerant Substances 0.000 abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- 239000002826 coolant Substances 0.000 description 7
- 229910021529 ammonia Inorganic materials 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000009833 condensation Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000001932 seasonal effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model relates to a kind of carbon dioxide refrigeration apparatus structure, formed by carbon-dioxide gas compressor, evaporimeter, choke valve, condenser, carbon-dioxide gas compressor exhaust outlet is connected to condenser, condensator outlet connects choke valve one end, the choke valve other end connects evaporimeter, the evaporimeter other end connects carbon-dioxide gas compressor air inlet, evaporator in freezer body, by described condenser device underground.The utility model is that one is improved common carbon dioxide refrigeration apparatus structure, can adopt single refrigerant carbon dioxide, and the carbon dioxide refrigeration apparatus structure that range of application is large, safety is controlled, energy-efficient.
Description
Technical field:
The utility model relates to a kind of refrigerating device structure, particularly a kind of refrigerating device structure of carbon dioxide as cold-producing medium that adopt.
Background technology:
Due to the critical-temperature of carbon dioxide low (31.1 DEG C), design the refrigerating plant that carbon dioxide is cold-producing medium at normal temperatures and generally adopt overlapping structure, the refrigeration system that re-uses a set of other cold-producing medium is made the condenser that carbon dioxide is the refrigerating plant of cold-producing medium, high temperature level adopts ammonia (R717) or freon as cold-producing medium, low temperature level adopts carbon dioxide as cold-producing medium, lowers the temperature with the carbon dioxide condenser that the ammonia (R717) of high temperature level or Freon-Evaporator are low temperature level.This conventional structure not only needs to adopt two or more cold-producing mediums, complex structure, fault rate is high, range of application is little (can only be applied to cryogenic system), and cost is high, efficiency is low, and adopt ammonia (R717) as cold-producing medium unstable due to ammonia, can make refrigeration system have unsafe factor, use freon also easily environmental protection to be had a negative impact as cold-producing medium.
Goal of the invention:
The purpose of this utility model is just to provide a kind of carbon dioxide refrigeration apparatus structure, above common carbon dioxide refrigeration apparatus structure is improved, not only can adopt single refrigerant carbon dioxide, and reach the object that range of application is large, safety is controlled, energy-efficient.
Summary of the invention:
For achieving the above object, the utility model is taked following design: this carbon dioxide refrigeration apparatus structure, formed by carbon-dioxide gas compressor, evaporimeter, choke valve, condenser, described carbon-dioxide gas compressor exhaust outlet is connected to described condenser, described condensator outlet connects described choke valve one end, the described choke valve other end connects described evaporimeter, the described evaporimeter other end connects described carbon-dioxide gas compressor air inlet, described evaporator in freezer body, by described condenser device underground.
Because the utility model adopts above technical scheme, by condenser device underground, utilize underground normal temperature not higher than the feature of co 2 liquefaction critical-temperature (31.1 degrees Celsius), the heat of condenser is transmitted to below ground, not only solve condenser in the problem that exceedes co 2 liquefaction critical-temperature (31.1 degrees Celsius) and can cause carbon dioxide coolant not liquefy, and greatly improved efficiency.High-pressure refrigerant carbon dioxide enters into and is installed on underground condenser, after release heat, be condensed into the carbon dioxide liquid of high pressure, carbon dioxide coolant is condensed into after liquid, enters into evaporimeter become carbon dioxide again again by choke valve, and freezer is freezed.Adopt the utility model structure, compared with conventional water-cooled, air-cooled, evaporating cold, have the following advantages: the first, operating mode is stable, and condensation temperature is low, and efficiency is high, and condensation temperature can not fluctuate along with seasonal variations; The second, without any need for energy consumption, by carrying out condensation with the conduction of stratum heat; The 3rd, environmental protection, free from environmental pollution.The 4th, according to the feature of stratum constant temperature, when system-down or occur after abnormal conditions, carbon dioxide coolant can be stored in condenser, play the effect of protection system safety.
The utility model structure is compared as the cascade system structure of cold-producing medium with conventional use carbon dioxide, and conventional use carbon dioxide is as the cascade system complex structure of cold-producing medium, and fault rate is high, and system effectiveness is low; Range of application is little, can only be applied to cryogenic system.
The utility model improves common carbon dioxide refrigeration apparatus structure, not only can adopt single carbon dioxide coolant, and system is simple, operating condition is stable, operational efficiency is high, and system effectiveness doubles above than the conventional carbon dioxide that uses as the cascade system structure of cold-producing medium; The utility model range of application is large, both can be applicable to cryogenic system, also can be applicable to middle high-temperature systems.The utility model can be widely used in the use of the various freezers such as freezer, freezer, quick freezing repository, and reaches the object that range of application is large, safety is controlled, energy-efficient.
Brief description of the drawings:
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is the cascade system refrigerating device structure schematic diagram of common employing carbon dioxide as cold-producing medium
Fig. 2 is the utility model structural representation
Detailed description of the invention:
As shown in Figure 1, common employing carbon dioxide is as the refrigerating plant of cold-producing medium, the general cascade system refrigerating device structure that adopts, be with ammonia (R717) or freon as cold-producing medium, by pipeline connect ammonia (R717) or freon compressore 1, condenser 2, choke valve 3, evaporimeter 4 forms a high temperature level system; And adopt carbon dioxide as cold-producing medium, connect carbon-dioxide gas compressor 5, condenser 6, choke valve 7, evaporimeter 8 by pipeline and form a low temperature level system.Use the evaporimeter 4 of high temperature level to adopt carbon dioxide to lower the temperature as the condenser 6 of cold-producing medium to low temperature level, to ensure that carbon dioxide coolant moves under critical-temperature, then the carbon dioxide in freezer 9 freezes to freezer 9 as the evaporimeter 8 of cold-producing medium by device.
As shown in Figure 2, this carbon dioxide refrigeration apparatus structure of the utility model, formed by carbon-dioxide gas compressor 11, evaporimeter 12, choke valve 13, condenser 14, described carbon-dioxide gas compressor 11 exhaust outlets 15 are connected to described condenser 14, described condenser 14 exports the described choke valve of 16 connection 13 one end, described choke valve 13 other ends connect described evaporimeter 12, described evaporimeter 12 other ends connect described carbon-dioxide gas compressor 11 air inlets 17, described evaporimeter 12 installs in freezer 18 bodies, and described condenser 14 is installed underground.
Because the utility model adopts above technical scheme, condenser 14 is installed underground, utilize underground normal temperature not higher than the feature of co 2 liquefaction critical-temperature (31.1 degrees Celsius), the heat of condenser 14 is transmitted to below ground, not only solve condenser 14 in the problem that exceedes co 2 liquefaction critical-temperature (31.1 degrees Celsius) and can cause carbon dioxide coolant not liquefy, and greatly improved efficiency.High-pressure refrigerant carbon dioxide enters into and is installed on underground condenser 14, after release heat, be condensed into the carbon dioxide liquid of high pressure, refrigerant carbon dioxide is condensed into after liquid, enter into evaporimeter 12 by choke valve 13 and become again carbon dioxide again, freezer 18 is carried out to absorption refrigeration.Adopt the utility model structure, compared with conventional water-cooled, air-cooled, evaporating cold, have the following advantages: the first, operating mode is stable, and condensation temperature is low, and efficiency is high, and condensation temperature can not fluctuate along with seasonal variations; The second, without any need for energy consumption, by carrying out condensation with the conduction of stratum heat; The 3rd, environmental protection, free from environmental pollution.The 4th, according to the feature of stratum constant temperature, when system-down or occur after abnormal conditions, refrigerant carbon dioxide can be stored in condenser 14, play the effect of protection system safety.
Compared as the cascade system structure of cold-producing medium with conventional use carbon dioxide by the utility model structure, conventional use carbon dioxide is as the cascade system complex structure of cold-producing medium, and fault rate is high, and system effectiveness is low; Range of application is little, can only be applied to cryogenic system.
The utility model improves common carbon dioxide refrigeration apparatus structure, not only can adopt single carbon dioxide coolant, and system is simple, operating condition is stable, operational efficiency is high, and system effectiveness doubles above than the conventional carbon dioxide that uses as the cascade system structure of cold-producing medium; The utility model range of application is large, both can be applicable to cryogenic system, also can be applicable to middle high-temperature systems.The utility model can be widely used in the use of the various freezers such as freezer, freezer, quick freezing repository, and reaches the object that range of application is large, safety is controlled, energy-efficient.
Claims (1)
1. a carbon dioxide refrigeration apparatus structure, formed by carbon-dioxide gas compressor, evaporimeter, choke valve, condenser, described carbon-dioxide gas compressor exhaust outlet is connected to described condenser, described condensator outlet connects described choke valve one end, the described choke valve other end connects described evaporimeter, the described evaporimeter other end connects described carbon-dioxide gas compressor air inlet, and described evaporator, in freezer body, is characterized in that: by described condenser device underground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415804.3U CN203964433U (en) | 2014-07-25 | 2014-07-25 | A kind of carbon dioxide refrigeration apparatus structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415804.3U CN203964433U (en) | 2014-07-25 | 2014-07-25 | A kind of carbon dioxide refrigeration apparatus structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203964433U true CN203964433U (en) | 2014-11-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415804.3U Expired - Lifetime CN203964433U (en) | 2014-07-25 | 2014-07-25 | A kind of carbon dioxide refrigeration apparatus structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203964433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142033A (en) * | 2014-07-25 | 2014-11-12 | 北京市京科伦冷冻设备有限公司 | Carbon dioxide refrigeration device structure |
-
2014
- 2014-07-25 CN CN201420415804.3U patent/CN203964433U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104142033A (en) * | 2014-07-25 | 2014-11-12 | 北京市京科伦冷冻设备有限公司 | Carbon dioxide refrigeration device structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190918 Address after: 101300 No. 2 Building, No. 12 Juyuan Middle Road, Shunyi District, Beijing 201 Patentee after: China Construction Investment Refrigeration Technology Co.,Ltd. Address before: 101302, No. 2, 23 street, Jinma garden, Jinma Industrial Zone, Beijing, Shunyi District Patentee before: BEIJING JINGKELUN REFRIGERATION EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210714 Address after: 101300 352 jinmayuan 2nd Street, Gaoliying Town, Shunyi District, Beijing Patentee after: BEIJING JINGKELUN REFRIGERATION EQUIPMENT Co.,Ltd. Address before: 101300 201, building 2, yard 12, Juyuan Middle Road, Shunyi District, Beijing Patentee before: China Construction Investment Refrigeration Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141126 |