CN106118604A - Ternary refrigerant for 50 DEG C ~ 60 DEG C of cryogenic temperatures - Google Patents

Ternary refrigerant for 50 DEG C ~ 60 DEG C of cryogenic temperatures Download PDF

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Publication number
CN106118604A
CN106118604A CN201610423244.XA CN201610423244A CN106118604A CN 106118604 A CN106118604 A CN 106118604A CN 201610423244 A CN201610423244 A CN 201610423244A CN 106118604 A CN106118604 A CN 106118604A
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CN
China
Prior art keywords
parts
cryogenic temperatures
refrigerant
cold
refrigeration
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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.)
Pending
Application number
CN201610423244.XA
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Chinese (zh)
Inventor
李大伟
丁剑波
卞伟
任开龙
吴有志
李靖
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Qingdao Haier Special Refrigerator Co Ltd
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Qingdao Haier Special Refrigerator Co Ltd
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Priority to CN201610423244.XA priority Critical patent/CN106118604A/en
Publication of CN106118604A publication Critical patent/CN106118604A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02Materials undergoing a change of physical state when used
    • C09K5/04Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/10Components
    • C09K2205/12Hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/10Components
    • C09K2205/12Hydrocarbons
    • C09K2205/122Halogenated hydrocarbons
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/24Only one single fluoro component present
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Separation By Low-Temperature Treatments (AREA)

Abstract

The open one of the present invention is for the ternary refrigerant of 50 DEG C ~ 60 DEG C of cryogenic temperatures.For the ternary refrigerant of 50 DEG C ~ 60 DEG C of cryogenic temperatures, the most composed of the following components: 45 ~ 75 parts of propane;50 ~ 20 parts of ethane;Tetrafluoroethane 5 parts.Realize the requirement utilizing the ternary refrigerant being used for 50 DEG C ~ 60 DEG C of cryogenic temperatures to meet one-stage steam compressed kind of refrigeration cycle, improve the energy utilization rate of refrigeration system, reduce energy consumption and realize energy-conserving and environment-protective.

Description

Ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures
Technical field
The present invention relates to refrigeration technology field, be specifically related to a kind of ternary for-50 DEG C ~-60 DEG C of cryogenic temperatures and freeze Agent.
Background technology
At present, refrigeration plant (such as: refrigerator or refrigerator) is household electrical appliance conventional in people's daily life, and along with people Living standard improve constantly, people to food and refrigeration plant environmental protection, the aspect such as energy-conservation, fresh-keeping requirement increasingly Height, the cold-producing medium that general domestic refrigerating appts uses is usually R600a, propane, tetrafluoroethane, R404A etc., and cold-producing medium provides Lowest refrigerating temperature be-40 DEG C.The existing refrigeration plant many employings Auto-cascade cycle being capable of-50 DEG C ~-60 DEG C of cryogenic temperatures or Cascade system by realizations such as mix refrigerant R508B, (such as: China Patent No. 201310560534.5, fit by disclosed one Diversity cold-producing medium for natural gas liquefaction system that precooling temperature is-40 to-60 DEG C), but, auto-cascade refrigeration system System needs to be separated by high low boiling point refrigerant in system, and the condensation that high boiling point cold-producing medium is low warm spot cold-producing medium provides cold, And product only provides cold by low boiling point refrigerant;This scheme efficiency is relatively low, and cold-producing medium separates and height refrigerant heat exchanger Device efficiency is relatively low, also increases the cost of product simultaneously.And cascade system uses multi-stage compression, system cost is higher, and energy Imitate bigger.How designing a kind of cold-producing medium meeting-50 DEG C ~-60 cryogenic temperatures is the technical problem to be solved.
Summary of the invention
The present invention provides a kind of ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures, it is achieved utilize for-50 DEG C ~- The ternary refrigerant of 60 DEG C of cryogenic temperatures meets the requirement of one-stage steam compressed kind of refrigeration cycle, improves the utilization of energy of refrigeration system Rate, reduce energy consumption and realize energy-conserving and environment-protective.
In order to realize above-mentioned technical purpose, the present invention adopts the following technical scheme that and is achieved:
A kind of ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures, it is characterised in that in parts by weight by following components Composition:
45 ~ 75 parts of propane;
50 ~ 20 parts of ethane;
Tetrafluoroethane 5 parts.
Compared with prior art, the ternary refrigerant for-50 DEG C ~-60 cryogenic temperatures that the present invention provides, by height Be combineding with each other of boiling point refrigerant, can realize-50 DEG C ~-60 DEG C with the steam compression type refrigeration circulation that satisfied employing is common Cryogenic temperature, on the one hand this cold-producing medium comprises a kind of low boiling point refrigerant R170, and its normal boiling point temperature is-88.58 DEG C, permissible Realize the cryogenic temperature of-60 DEG C ~-80 DEG C, on the other hand this cold-producing medium comprise utilize two kinds of high boiling point cold-producing medium R290 and R134a, normal boiling point temperature is respectively-42 DEG C and-26 DEG C, can be achieved the system of-50 DEG C ~-60 DEG C by suitable proportioning The storage temperature of cold scope;It addition, the combination of high low boiling point refrigerant, reduce the pressure reduction of refrigeration system compressor both sides, make Refrigeration system high pressure end pressure is reduced to 2 ~ 2.5Mpa from 4 ~ 5Mpa, simultaneously maintain compressor two ends pressure ratio 10 ~ 15 model Enclose inner pressure ratio, make the pressure ratio of compressor be reduced to 9-10, to overcome simple employing R170 to cause too high the asking of kind of refrigeration cycle pressure ratio Topic,.Use the storage temperature that this mix refrigerant only can realize-50 DEG C ~-60 DEG C by one-stage steam compressed kind of refrigeration cycle, Instead of the low temperature storage that conventionally employed kind of refrigeration cycle optimization (multi-stage compression or Auto-cascade cycle or multistage overlapping) could realize, reach One-stage steam compressed kind of refrigeration cycle is used to realize the target of-50 ~-60 DEG C of cryopreservations, it is achieved to utilize for-50 DEG C ~-60 refrigeration The ternary refrigerant of temperature meets the requirement of one-stage steam compressed kind of refrigeration cycle, improves the energy utilization rate of refrigeration system, reduction Energy consumption also realizes energy-conserving and environment-protective.
Detailed description of the invention
The one that the present invention provides for the ternary refrigerant of-50 DEG C ~-60 DEG C of cryogenic temperatures, in parts by weight by with Lower component forms: 45 ~ 75 parts of propane (R290);50 ~ 20 parts of ethane (R170);Tetrafluoroethane (R134a) 5 parts.
Specifically, the present invention for-50 DEG C ~-60 DEG C of cryogenic temperatures ternary refrigerant use quasi-boiling temperature be- The low boiling point refrigerant R170 of 88.58 DEG C, to meet the refrigeration requirement of low temperature-60 DEG C, and in order to meet employing one-stage steam The use requirement of contraction SAPMAC method, is respectively the R290 of-42 DEG C and the R134a of-26 DEG C by hybrid standard boiling temperature, reduces The pressure ratio of refrigeration system compressor both sides and pressure reduction, make refrigeration system high pressure in the range of 2 ~ 2.5MPa, it is adaptable to existing business With piston compressor, instead of what conventionally employed kind of refrigeration cycle optimization (multi-stage compression or Auto-cascade cycle or multistage overlapping) could realize Low temperature stores.Wherein, the refrigeration requirement of different temperatures can be met by the ternary refrigerant of differently configured weight portion, such as: Realize the cold-producing medium proportioning of about-50 DEG C storage temperature: propane accounts for 65 ~ 75 parts, 20 ~ 30 parts of ethane, tetrafluoroethane 5 parts;Realize- The cold-producing medium proportioning of about 55 DEG C storage temperature: 55 ~ 65 parts of propane, 30 ~ 40 parts of ethane, tetrafluoroethane 5 parts;Realize-60 DEG C of left sides The cold-producing medium proportioning of right storage temperature: 45 ~ 55 parts of propane, 40 ~ 50 parts of ethane, tetrafluoroethane 5 parts.
The ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures that the present invention provides, by high low boiling point refrigerant It is combined with each other, the cryogenic temperature of-50 DEG C ~-60 DEG C, a side can be realized with the steam compression type refrigeration circulation that satisfied employing is common This cold-producing medium of face comprises a kind of low boiling point refrigerant R170, and its normal boiling point temperature is-88.58 DEG C, it is possible to achieve the system of-60 DEG C Cold temperature, on the other hand this cold-producing medium utilizes two kinds of high boiling point cold-producing medium R290 and R134a, and normal boiling point temperature is respectively-42 DEG C and-26 DEG C, it is achieved that the storage temperature of-50 DEG C ~-60 DEG C of scopes;It addition, the combination of high low boiling point refrigerant, reduce system Cooling system high side pressure ensures that pressure ratio, in the range of 10 ~ 15, uses merely R170 to cause kind of refrigeration cycle pressure to overcome simultaneously The problem that power is too high;Only can be realized the storage temperature of-50 DEG C ~-60 DEG C by one-stage steam compressed kind of refrigeration cycle, instead of biography System uses the low temperature storage that kind of refrigeration cycle optimization (multi-stage compression or Auto-cascade cycle or multistage overlapping) could realize, and reaches to use single-stage Vapor Compression Refrigeration Cycle realizes the target of-50 ~-60 DEG C of cryopreservations, it is achieved utilize three for-50 DEG C ~-60 cryogenic temperatures Unit's cold-producing medium meets the requirement of one-stage steam compressed kind of refrigeration cycle, improves the energy utilization rate of refrigeration system, reduces energy consumption reality Existing energy-conserving and environment-protective.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit;Although With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent; And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (4)

1. the ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures, it is characterised in that in parts by weight by following group It is grouped into:
45 ~ 75 parts of propane;
50 ~ 20 parts of ethane;
Tetrafluoroethane 5 parts.
Ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures the most according to claim 1, it is characterised in that propane Account for 65 ~ 75 parts, 20 ~ 30 parts of ethane, tetrafluoroethane 5 parts.
Ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures the most according to claim 1, it is characterised in that propane 55 ~ 65 parts, 30 ~ 40 parts of ethane, tetrafluoroethane 5 parts.
Ternary refrigerant for-50 DEG C ~-60 DEG C of cryogenic temperatures the most according to claim 1, it is characterised in that propane 45 ~ 55 parts, 40 ~ 50 parts of ethane, tetrafluoroethane 5 parts.
CN201610423244.XA 2016-06-15 2016-06-15 Ternary refrigerant for 50 DEG C ~ 60 DEG C of cryogenic temperatures Pending CN106118604A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112745804A (en) * 2021-01-29 2021-05-04 青岛万宝压缩机有限公司 Low-temperature mixed working medium and application thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412267A (en) * 2002-07-12 2003-04-23 天津大学 Green mixed refrigerating agent

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1412267A (en) * 2002-07-12 2003-04-23 天津大学 Green mixed refrigerating agent

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112745804A (en) * 2021-01-29 2021-05-04 青岛万宝压缩机有限公司 Low-temperature mixed working medium and application thereof

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