CN115916932B - 冷冻循环装置 - Google Patents
冷冻循环装置 Download PDFInfo
- Publication number
- CN115916932B CN115916932B CN202080102285.3A CN202080102285A CN115916932B CN 115916932 B CN115916932 B CN 115916932B CN 202080102285 A CN202080102285 A CN 202080102285A CN 115916932 B CN115916932 B CN 115916932B
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- chemical formula
- refrigeration cycle
- hydrogen atom
- atom
- refrigerant
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 49
- 239000003507 refrigerant Substances 0.000 claims abstract description 41
- 150000001875 compounds Chemical class 0.000 claims abstract description 39
- VPAYJEUHKVESSD-UHFFFAOYSA-N trifluoroiodomethane Chemical compound FC(F)(F)I VPAYJEUHKVESSD-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 36
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 32
- 125000001424 substituent group Chemical group 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 20
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 19
- 125000004430 oxygen atom Chemical group O* 0.000 claims abstract description 15
- 239000010721 machine oil Substances 0.000 claims abstract description 13
- 125000000623 heterocyclic group Chemical group 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 21
- 238000004090 dissolution Methods 0.000 claims description 8
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 6
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 125000003627 8 membered carbocyclic group Chemical group 0.000 abstract description 2
- 238000000354 decomposition reaction Methods 0.000 description 23
- 230000000694 effects Effects 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- 239000000654 additive Substances 0.000 description 9
- 150000001721 carbon Chemical group 0.000 description 9
- 238000001816 cooling Methods 0.000 description 9
- -1 diene compound Chemical class 0.000 description 9
- 238000001556 precipitation Methods 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N coumarin Chemical compound C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000012071 phase Substances 0.000 description 8
- 238000011156 evaluation Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 6
- 239000002932 luster Substances 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 description 5
- 229940006461 iodide ion Drugs 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229960000956 coumarin Drugs 0.000 description 4
- 235000001671 coumarin Nutrition 0.000 description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 4
- RUVINXPYWBROJD-ONEGZZNKSA-N trans-anethole Chemical compound COC1=CC=C(\C=C\C)C=C1 RUVINXPYWBROJD-ONEGZZNKSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 229920005862 polyol Polymers 0.000 description 3
- IANQTJSKSUMEQM-UHFFFAOYSA-N 1-benzofuran Chemical compound C1=CC=C2OC=CC2=C1 IANQTJSKSUMEQM-UHFFFAOYSA-N 0.000 description 2
- CFNMUZCFSDMZPQ-GHXNOFRVSA-N 7-[(z)-3-methyl-4-(4-methyl-5-oxo-2h-furan-2-yl)but-2-enoxy]chromen-2-one Chemical compound C=1C=C2C=CC(=O)OC2=CC=1OC/C=C(/C)CC1OC(=O)C(C)=C1 CFNMUZCFSDMZPQ-GHXNOFRVSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- YBGZDTIWKVFICR-JLHYYAGUSA-N Octyl 4-methoxycinnamic acid Chemical compound CCCCC(CC)COC(=O)\C=C\C1=CC=C(OC)C=C1 YBGZDTIWKVFICR-JLHYYAGUSA-N 0.000 description 2
- 150000004996 alkyl benzenes Chemical class 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229940011037 anethole Drugs 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229960001679 octinoxate Drugs 0.000 description 2
- RUVINXPYWBROJD-UHFFFAOYSA-N para-methoxyphenyl Natural products COC1=CC=C(C=CC)C=C1 RUVINXPYWBROJD-UHFFFAOYSA-N 0.000 description 2
- 229920001289 polyvinyl ether Polymers 0.000 description 2
- SDOFMBGMRVAJNF-KVTDHHQDSA-N (2r,3r,4r,5r)-6-aminohexane-1,2,3,4,5-pentol Chemical compound NC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO SDOFMBGMRVAJNF-KVTDHHQDSA-N 0.000 description 1
- 125000004070 6 membered heterocyclic group Chemical group 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- WJSDHUCWMSHDCR-VMPITWQZSA-N cinnamyl acetate Natural products CC(=O)OC\C=C\C1=CC=CC=C1 WJSDHUCWMSHDCR-VMPITWQZSA-N 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-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
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials 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
- C09K5/044—Materials 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
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-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
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-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
- C09K5/02—Materials undergoing a change of physical state when used
- C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
- C09K5/041—Materials 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
- C09K5/044—Materials 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
- C09K5/045—Materials 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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/16—Ethers
- C10M129/20—Cyclic ethers having 4 or more ring atoms, e.g. furans, dioxolanes
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/70—Esters of monocarboxylic acids
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M145/26—Polyoxyalkylenes
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
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- C—CHEMISTRY; METALLURGY
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/008—Lubricant compositions compatible with refrigerants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/10—Components
- C09K2205/12—Hydrocarbons
- C09K2205/122—Halogenated hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
- C09K2205/24—Only one single fluoro component present
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/06—Well-defined aromatic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
- C10M2207/044—Cyclic ethers having four or more ring atoms, e.g. furans, dioxolanes
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/284—Esters of aromatic monocarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/284—Esters of aromatic monocarboxylic acids
- C10M2207/2845—Esters of aromatic monocarboxylic acids used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/09—Characteristics associated with water
- C10N2020/097—Refrigerants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/08—Resistance to extreme temperature
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/20—Colour, e.g. dyes
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubricants (AREA)
Abstract
冷冻循环装置,其具备:包含压缩机、室外热交换器、室内热交换器及膨胀阀的冷冻回路,在上述冷冻回路内封入有制冷剂,上述制冷剂包含三氟碘甲烷,在上述压缩机内填充有冷冻机油,上述冷冻机油含有下述化学式1表示的第一化合物及下述化学式2表示的第二化合物中的至少一种。在上述化学式1中,R1~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,R6~R8的至少一个为氢原子,其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基,在上述化学式2中,R1是与相邻的碳原子形成环结构的取代基,上述环结构为5元环至8元环的碳环或杂环,R2~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,R6~R7的至少一个为氢原子,其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基。
Description
技术领域
本公开涉及冷冻循环装置。
背景技术
现在,就冷冻循环装置中使用的制冷剂而言,由于氟利昂排出抑制法(平成27年4月实行),具体而言,由于地球暖化系数(GWP)而限制了使用。
因此,使用考虑了GWP的制冷剂。作为这样的制冷剂,在专利文献1(日本特表2008-505989号公报)中,公开有含有GWP低且不燃性的三氟碘甲烷等具有C-I键的卤代烃的混合制冷剂。
但是,由于三氟碘甲烷是容易分解的不稳定的化合物,因此对该不稳定性的应对在维持冷冻循环装置及压缩机的长期可靠性方面成为课题。
针对这样的课题,在专利文献2(日本特表2019-527286号公报)中,公开有:通过在压缩机用润滑油中添加二烯系化合物、酚系化合物、磷化合物及氮化合物作为稳定剂,抑制由包含三氟碘甲烷的制冷剂的分解而生成的酸的浓度上升及捕捉通过由包含三氟碘甲烷的制冷剂的分解而产生的自由基,由此抑制三氟碘甲烷的进一步分解、冷冻机油的劣化及金属的腐蚀。
但是,就专利文献2所记载的化合物而言,并非显示出足以维持冷冻循环装置及压缩机的长期可靠性那样地抑制三氟碘甲烷的分解的效果。另外,就专利文献3(美国专利申请公开第2019/0233698号说明书)中记载的化合物而言,与专利文献2相比,虽然抑制三氟碘甲烷的分解的效果高,但存在不具有抑制气相中的三氟碘甲烷的分解的效果这样的课题。
现有技术文献
专利文献
专利文献1:日本特表2008-505989号公报
专利文献2:日本特表2019-527286号公报
专利文献3:美国专利申请公开第2019/0233698号说明书
发明内容
发明要解决的课题
本公开是鉴于上述课题而完成的,其目的在于提供使用包含三氟碘甲烷的制冷剂、维持长期可靠性的冷冻循环装置。
用于解决课题的手段
本公开涉及的冷冻循环装置具备冷冻回路,所述冷冻回路包含:压缩机、室外热交换器、室内热交换器及膨胀阀。在冷冻回路内封入有制冷剂,制冷剂包含三氟碘甲烷。在压缩机内填充有冷冻机油,冷冻机油含有由下述化学式1表示的第一化合物或下述化学式2表示的第二化合物中的至少任一者。
[化1]
[化2]
上述化学式1中,R1~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,R6~R8的至少一个为氢原子,其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基。上述化学式2中,R1为与邻接的碳原子形成环结构的取代基,R2~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,R6~R7的至少一个为氢原子,其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基。
发明的效果
根据本公开,能够提供使用包含三氟碘甲烷的制冷剂来维持长期可靠性的冷冻循环装置。
附图说明
图1是表示实施方式1涉及的冷冻循环装置的概略结构图。
具体实施方式
以下,基于附图对本公开的实施方式进行说明。
实施方式1
首先,对本实施方式的冷冻循环装置的概要简单进行说明。图1是表示实施方式1涉及的冷冻循环装置的概略结构图。冷冻循环装置具备:包含压缩机1、切换制冷时和制热时的流动方向的流路切换阀2、室外热交换器3、膨胀阀4和室内热交换器5的冷冻回路。予以说明,在无需切换制冷和制热的冷冻循环装置中,不需要流路切换阀2。
在制冷时,被压缩机1压缩的高温高压的气态制冷剂经由流路切换阀2(实线所示的流路)流入到室外热交换器3,在此冷凝。在室外热交换器3中冷凝的液态制冷剂经由膨胀阀4流入到室内热交换器5,在那里蒸发(气化)。最后,在室内热交换器5中蒸发的气态制冷剂经由流路切换阀2(实线所示的流路)而返回到压缩机1。这样,在制冷时,制冷剂在冷冻循环装置的冷冻回路内在图1表示的实线箭头的方向上循环。
另一方面,在制热时,被压缩机1压缩的高温高压的气态制冷剂经由流路切换阀2(虚线所示的流路)流入到室内热交换器5,在此冷凝。在室内热交换器5中冷凝的液态制冷剂经由膨胀阀4流入到室外热交换器3,在那里蒸发(气化)。在室外热交换器3中蒸发的制冷剂经由流路切换阀2(虚线所示的流路)返回到压缩机1。这样,在制热时,制冷剂在冷冻循环装置的冷冻回路内在图1表示的虚线箭头的方向上循环。
应予说明,上述结构是能够实施制冷以及制热运转的冷冻循环装置的最小构成要素。本实施方式的冷冻循环装置还可以具备气液分离器、接收器、储液器、高低压热交换器等其他设备。
(制冷剂)
接着,在本实施方式中,对封入到冷冻回路内的制冷剂进行说明。该制冷剂含有三氟碘甲烷。
另外,在本实施方式中使用的制冷剂可以仅为三氟碘甲烷,也可以进一步含有其他成分。作为其他成分,例如,可举出包含氯氟烃(CFC)、氢氯氟烃(HCFC)、氢氟烃(HFC)、氢氟烯烃(HFO)、碳氢的自然制冷剂等。其他成分的配合比率等在不妨碍本实施方式的主要效果的范围内设定。在除了三氟碘甲烷以外还含有其他成分的情况下,相对于上述制冷剂的总量,三氟碘甲烷优选为1~70质量%。
(冷冻机油)
接着,在本实施方式中,对为了润滑压缩机内而填充的冷冻机油进行说明。作为冷冻机油,例如,可举出通常使用的冷冻机油(酯系润滑油、醚系润滑油、氟系润滑油、矿物系润滑油、烃系润滑油等)。在该情况下,优选选择在与制冷剂的相容性及稳定性等方面优异的冷冻机油。作为具体的冷冻机油,例如,可以利用聚亚烷基二醇、多元醇酯、聚乙烯基醚、烷基苯、矿物油等,但并不限定于这些。
该冷冻机油含有由化学式1表示的第一化合物及由化学式2表示的第二化合物中的至少一种作为添加剂。
就三氟碘甲烷的分解反应及通过分解而产生的自由基被化合物捕捉的反应而言,如下述化学式3所示。
[化3]
由上述化学式3,具有抑制三氟碘甲烷的分解的效果的化合物的基本骨架为由化学式1表示的第一化合物及由化学式2表示的第二化合物中的任一者。
[化4]
[化5]
在由化学式1表示的第一化合物中,R1~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,优选为氢原子、甲氧基、乙氧基及烷基中的至少1种。R1~R5可以相同也可以不同。另外,R6~R8中的至少任一个取代基为氢原子。其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基,优选为氢原子、甲氧基、乙氧基及烷基中的至少1种。R6~R8可以相同也可以不同。
另外,化学式1中,R3为-O-R9,R9为碳数为1~10的烃基,R7为-COO-R10,R10为碳数为1~10的烃基,R1~R2、R4~R6及R8可以为氢原子或碳数为1~10的烃基。应予说明,上述R1~R2、R4~R6及R8~R10的碳数的范围为例示,本公开并不限定于上述的范围。
作为第一化合物,例如,可以举出甲氧基肉桂酸乙基己酯、茴香脑和乙酸肉桂酯等,优选甲氧基肉桂酸乙基己酯及茴香脑。
另外,相对于冷冻机油的总量,冷冻机油中的第一化合物的含有率优选为5质量%以上且20质量%以下,更优选为10质量%以上且15质量%以下,进一步优选为12质量%以上且14质量%以下。
在由化学式2表示的第二化合物中,R2~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,优选为氢原子、甲氧基、乙氧基及烷基中的至少1种。R2~R5可以相同也可以不同。另外,R6~R7中的至少任一个取代基为氢原子。其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基,优选为氢原子、甲氧基、乙氧基及烷基中的至少1种。R6~R7可以相同也可以不同。进而,R1与R1所键合的苯环邻接的2个碳原子一起形成环结构。环结构形成5元环至8元环的碳环或杂环,优选为6元环的杂环。
另外,化学式2中,R2~R6可以为氢原子或碳数为1~10的烃基。应予说明,上述R2~R6的碳数的范围为例示,本公开并不限定于上述的范围。
作为第二化合物,例如,可举出香豆素(参照下述化学式4)、香豆酮等,优选香豆素。应予说明,作为制冷剂的泄漏检测剂,也存在添加具有荧光性的香豆素、香豆素衍生物的以往例,但作为荧光剂显示实用的性能的化合物为香豆素衍生物,香豆素本身几乎不显示出荧光性。
[化6]
另外,相对于冷冻机油的总量,冷冻机油中的第二化合物的含有率优选为1质量%以上且10质量%以下,更优选为2质量%以上且5质量%以下,进一步优选为3质量%以上且4质量%以下。
就具有可进行化学式3的自由基捕捉反应的基本骨架的第一化合物及第二化合物而言,捕捉三氟碘甲烷分解时产生的自由基的效果高,抑制未分解的三氟碘甲烷的分解、冷冻机油的劣化及金属的腐蚀。另外,由于第一化合物及第二化合物的自由基捕获效果高,因此即使是微小量的挥发成分也能够捕捉在气相中产生的三氟碘甲烷的自由基,具有抑制气相中的三氟碘甲烷的分解的效果。
在本实施方式中,冷冻机油在不损害本公开的目的的范围内可以含有选自极压剂、油性剂、抗氧化剂、酸捕捉剂、金属钝化剂及消泡剂中的至少1种添加剂。
(冷冻循环装置)
在本实施方式中,作为冷冻循环装置,没有特别限定,可列举出业务用或家庭用的空调机(空调)、汽车空调、自动售货机用热泵、冰箱、将海上输送等的集装箱内、冰箱冷却的冷冻机、冷却单元、涡轮制冷机等。
另外,本实施方式的冷冻循环装置也能够用于地暖装置、融雪装置等供暖循环专用机。特别是可用作要求设备小型化的业务用或家庭用的空调机(空调)。
予以说明,在本实施方式的冷冻循环装置中,记载了室外机与室内机一对一地连接的情况下的说明,但对于1个室外机,室内机也可以是多台,对于多台室外机,室内机也可以是多台。
另外,本实施方式的冷冻循环装置可以是能够切换制冷和供暖的室内空调、封装空调等,也可以是制冷机等面向低温设备的冷冻循环装置。
本实施方式的冷冻循环装置优选为空调用的冷冻循环装置(空调机)。
作为空调用的冷冻循环装置(空调机),例如可列举出室内空调、封装空调、大厦用多功能空调、车窗型空调以及移动空调等。
实施方式2.
本实施方式涉及的冷冻循环装置除了作为冷冻机油中含有的添加剂的第一化合物及第二化合物中的至少一种以外,还含有溶解助剂,在这点上与实施方式1不同。
通过配合溶解助剂,能够抑制冷却冷冻机油时的第一化合物及第二化合物的析出。
作为溶解助剂,例如,可列举出多元醇酯、聚乙烯基醚、烷基苯、聚亚烷基二醇等,但并不限定于这些。溶解助剂优选为聚亚烷基二醇。除此以外的基本结构与实施方式1相同,因此省略重复的说明。
实施例
<评价试验1>
对于本实施方式1中的由制冷剂与冷冻机油的混合物构成的试样(实施例1~7、比较例1~3),采用依据JIS K2211:2009(附录B屏蔽管测试)的实验方法,确认了化学稳定性。在下述表1中示出试验条件,在下述表2中示出冷冻机油的配合组成及评价结果。
作为评价结果,示出冷冻机油中的碘化物离子(I-)(三氟碘甲烷的分解产物)的浓度、冷冻机油酸值及色相(表示冷冻机油的劣化程度)、以及上述实验中使用的金属表面有无光泽。
作为结果的良好与否的判断指标,抑制三氟碘甲烷的分解的效果越高,碘化物离子浓度及酸值越成为小的值。
另外,抑制三氟碘甲烷的分解的效果越高,冷冻机油的劣化越不进行,因此色相成为无色透明。反之,若抑制三氟碘甲烷的分解的效果低,则冷冻机油的劣化加剧,色相经黄色而颜色向褐色变化,透明度也降低。
同样地,抑制三氟碘甲烷的分解的效果越高,金属表面越不变色,保持金属光泽。相反,如果抑制三氟碘甲烷的分解的效果低,则金属表面腐蚀,失去金属光泽。
由上述,就与三氟碘甲烷的分解的抑制相关的良好与否的判断指标而言,是(1)碘化物离子(I-)浓度、(2)酸值、(3)色相及(4)金属表面有无光泽。在上述(1)及(2)为上限值以下的情况下,(3)透明度高的情况下,(4)具有金属光泽的情况下,能够抑制三氟碘甲烷的分解。
应予说明,作为金属催化剂,能够应用铜、铁及铝,由于铜最容易变化,因此下述表2的结果根据铜表面的光泽来判断。
另外,下述表2中的“气相”是指制冷剂处于气体的状态的情形,“液相”是指制冷剂处于液体的状态的情形,判断使各状态下的制冷剂与金属催化剂接触时的金属表面有无光泽。
[表1]
表1
试验容器 | 50cm3 |
制冷剂 | 三氟碘甲烷 |
制冷剂重量 | 7g |
冷冻机油 | 多元醇酯(POE) |
冷冻机油重量 | 15g |
金属催化剂 | 铜、铁、铝 |
金属催化剂尺寸 | 直径1mm×50mm×2个 |
温度 | 140℃ |
时间 | 72小时 |
如上述表2中所示,由冷冻机油的评价结果,在实施例1~7中,碘化物离子(I-)浓度及酸值低,色相为无色透明,因此抑制三氟碘甲烷的分解的效果高。
另外,在金属催化剂的评价结果中,实施例1及实施例4的气相和液相均没有光泽,相对于此,实施例2、实施例3和实施例5~7的气相和液相均有光泽。由此,认为,实施例2、3及5~7与实施例1及4相比,抑制三氟碘甲烷的分解的效果更高。
在比较例1中,碘化物离子(I-)浓度和酸值高,色相也为褐色,气相和液相都无金属表面的光泽,因此认为抑制三氟碘甲烷的分解的效果低。
在比较例2中,碘化物离子(I-)浓度和酸值高,色相也为黄色透明,气相和液相都无金属表面的光泽,因此认为抑制三氟碘甲烷的分解的效果低。
在比较例3中,碘化物离子(I-)浓度高。上述以外的评价结果良好,但认为抑制三氟碘甲烷的分解的效果低。
<评价试验2>
对于由制冷剂与冷冻机油的混合物构成的试样(实施例8~11),如下述表3中所示,在-20℃以下、以5℃间隔保持各温度各1小时,将在保持时间内发生添加剂的析出的温度作为添加剂析出温度,评价作为添加剂的第一化合物及第二化合物有无析出。
作为评价结果,将对下述表4所示的配合组成的冷冻机油与制冷剂的混合物冷却时产生析出的温度作为添加剂的析出温度来表示。化合物对于冷冻机油的溶解性越良好,析出温度越低。也依赖于所应用的设备的种类,例如在冷冻循环装置的情况下,冷冻回路内的温度有时下降至小于-10℃。因此,冷冻机油中的添加剂的析出温度越低越优选。
[表3]
表3
[表4]
表4
如上述表4中所示,就配合有聚亚烷基二醇作为溶解助剂的实施例9及实施例11而言,与未配合聚亚烷基二醇作为溶解助剂的实施例8及实施例10相比,作为添加剂的第一化合物及第二化合物的析出温度降低。
应该认为,本次公开的实施方式和实施例在所有方面都是例示而不是限制性的。本公开的范围不是由上述的说明表示,而是由权利要求示出,意在包括与权利要求等同的含义以及范围内的所有变形。
附图标记的说明
1压缩机、2流路切换阀、3室外热交换器、4膨胀阀、5室内热交换器。
Claims (9)
1.一种冷冻循环装置,其具备:包含压缩机、室外热交换器、室内热交换器及膨胀阀的冷冻回路,
在所述冷冻回路内封入有制冷剂,
所述制冷剂包含三氟碘甲烷,
在所述压缩机内填充有冷冻机油,
所述冷冻机油含有由下述化学式1表示的第一化合物及由下述化学式2表示的第二化合物中的至少一种,
在所述化学式1中,
R1~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,
R6~R8的至少一个为氢原子,其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基,
所述化学式2中,
R1是与相邻的碳原子形成环结构的取代基,
所述环结构为5元环至8元环的碳环或杂环,
R2~R5为由碳原子、氢原子及氧原子中的至少1种构成的取代基,
R6~R7的至少一个为氢原子,其他为由碳原子、氢原子及氧原子中的至少1种构成的取代基。
2.根据权利要求1所述的冷冻循环装置,其中,相对于所述制冷剂的总量,所述制冷剂中的所述三氟碘甲烷的含有率为1~70质量%。
3.根据权利要求1或2所述的冷冻循环装置,其中,所述化学式1中,
所述R7为-COO-R10,
所述R10为碳数为1~10的烃基。
4.根据权利要求1或2所述的冷冻循环装置,其中,所述化学式1中,
所述R3为-O-R9,
所述R9为碳数为1~10的烃基。
5.根据权利要求1或2所述的冷冻循环装置,其中,所述化学式1中,
所述R1~R2、R4~R6和R8为氢原子或碳数为1~10的烃基。
6.根据权利要求1或2所述的冷冻循环装置,其中,所述化学式2中,
所述R2~R6为氢原子或碳数为1~10的烃基。
7.根据权利要求1或2所述的冷冻循环装置,其中,所述第二化合物为由下述化学式4表示的化合物,
8.根据权利要求1或2所述的冷冻循环装置,其中,所述冷冻机油含有溶解助剂。
9.根据权利要求8所述的冷冻循环装置,其中,所述溶解助剂为聚亚烷基二醇。
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