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CN104797678B - 制冷剂组合物 - Google Patents

制冷剂组合物 Download PDF

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Publication number
CN104797678B
CN104797678B CN201380059300.0A CN201380059300A CN104797678B CN 104797678 B CN104797678 B CN 104797678B CN 201380059300 A CN201380059300 A CN 201380059300A CN 104797678 B CN104797678 B CN 104797678B
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Prior art keywords
hfc
weight
composition
temperature
difluoromethane
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Expired - Fee Related
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CN201380059300.0A
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CN104797678A (zh
Inventor
B.布桑德
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Arkema France SA
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Arkema France SA
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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
    • 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
    • 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
    • C09K2205/10—Components
    • C09K2205/12—Hydrocarbons
    • C09K2205/122—Halogenated hydrocarbons
    • 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
    • C09K2205/22—All components of a mixture being fluoro 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
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/40—Replacement mixtures

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Lubricants (AREA)

Abstract

本发明涉及能够用于不同类型压缩系统中的制冷剂流体。更具体地说，本发明涉及作为R‑404A的替代品的包含36‑39重量％二氟甲烷(HFC‑32)、28‑32重量％五氟乙烷(HFC‑125)和31‑35重量％四氟乙烷(HFC‑134a)的组合物。

Description

制冷剂组合物
本发明涉及能够用于各种类型压缩系统中的作为制冷剂R-404A的替代品的液体制冷剂。
在工业、商业和家用制冷领域中，液体制冷剂在压缩制冷系统中的使用是非常广泛的。
在蒙特利尔商议了由损耗大气臭氧层(ODP：臭氧损耗潜势)的物质所引起的问题，在蒙特利尔签署了强制减少氯氟烃(CFC)的制造和使用的议定书。该议定书已经形成这样的修正案的主题，所述修正案要求放弃CFC并且将规章扩展至其它产品，包括氢氯氟烃(HCFC)。
制冷工业和制造空调的工业已经在这些液体制冷剂的替代品方面进行了大量投资，且因此，氢氟烃(HFC)已经上市。
流体对温室效应的贡献通过标准即GWP(全球增温潜势)量化，GWP是热值的集中体现，将二氧化碳作为基准值1。
液体制冷剂R-404A是具有3944GWP的氟代乙烷(即R-143a、R-125和R-134a)的混合物。该流体具有高的GWP，主要是因为存在R-143a，其具有4470的GWP。
具有高GWP的流体需要被替代。因此，对于开发能够在相同的压缩系统中操作的用于替代R-404A的流体存在较多需求。
根据第一方面，本发明因此涉及至少包含36-39重量％二氟甲烷(HFC-32)、28-32重量％五氟乙烷(HFC-125)和31-35重量％四氟乙烷(HFC-134a)的组合物。
优选地，本发明组合物的特征在于化合物HFC-32、HFC-125和HFC-134a的重量之和等于100％。
在本发明的一个实施方案中，优选所述组合物由37重量％二氟甲烷(HFC-32)、30重量％五氟乙烷(HFC-125)和33重量％四氟乙烷(HFC-134a)组成。
由本发明提供的一种可能性是使用前述组合物作为液体制冷剂。
在优选实施方案中，将本发明组合物用作R-404A的替代品。
本发明还涉及这样的制冷方法，其包括前面所述的组合物的至少一个凝结阶段以及其后的至少一个蒸发阶段。
在优选实施方案中，本发明的方法包括在高于13℃、优选高于24℃的温度下实施的凝结阶段。
根据非常特别优选的实施方案，本发明的方法包括在低于或等于-10℃的温度下实施的蒸发阶段。
本发明的另一主题是压缩循环中的包含前面所述的组合物的传热设备。
通过使用Cycle D(NIST，5.0版)软件在以下操作条件下对性能进行模拟来比较由37重量％二氟甲烷(HFC-32)、30重量％五氟乙烷(HFC-125)和33重量％四氟乙烷(HFC-134a)组成的混合物(以“混合物1”表示)的性能和R-404A的性能，而且，所述性能在下面示出：
蒸发温度：-32℃
凝结温度：43℃
过冷(subcooling)：5℃
过热：5℃
制冷能力：10kW
压缩机的等熵系数：0.7
根据IPCC的第4次报告(2007)来计算GWP。
制冷剂 R-404A 混合物1
GWP 3922 1722
蒸发压力(巴) 1.8 1.6
凝结压力(巴) 19.3 20.6
单位容积制冷能力(kJ/m<sup>3</sup>) 912 998
性能系数 1.4 1.5
重量流速(kg/h) 375 233
所述“混合物1”在不同的凝结和蒸发温度下的性能在下面示出并且与R404A的性能进行比较：

Claims (9)

1.组合物，包含：
a.36-39重量％的二氟甲烷(HFC-32)
b.28-32重量％的五氟乙烷(HFC-125)
c.31-35重量％的四氟乙烷(HFC-134a)，
其中，化合物HFC-32、HFC-125和HFC-134a的重量之和等于100％。
2.权利要求1的组合物，由如下组成：
a.37重量％的二氟甲烷(HFC-32)
b.30重量％的五氟乙烷(HFC-125)
c.33重量％的四氟乙烷(HFC-134a)。
3.权利要求1或2的组合物作为制冷剂的用途。
4.权利要求3的用途，作为R-404A的替代品。
5.制冷方法，包括以下阶段：
a.权利要求1或2的组合物的凝结；
b.所述组合物的蒸发。
6.权利要求5的方法，其中，所述凝结阶段在高于13℃的温度下实施。
7.权利要求5的方法，其中，所述凝结阶段在高于24℃的温度下实施。
8.权利要求5-7中任一项的方法，其中，所述蒸发阶段在低于或等于-10℃的温度下实施。
9.压缩循环中的传热设备，其包含权利要求1或2的组合物。
CN201380059300.0A 2012-11-20 2013-10-30 制冷剂组合物 Expired - Fee Related CN104797678B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1261033A FR2998302B1 (fr) 2012-11-20 2012-11-20 Composition refrigerante
FR1261033 2012-11-20
PCT/FR2013/052594 WO2014080104A1 (fr) 2012-11-20 2013-10-30 Composition refrigerante

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CN104797678A CN104797678A (zh) 2015-07-22
CN104797678B true CN104797678B (zh) 2019-04-09

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US (1) US9752069B2 (zh)
EP (1) EP2922930A1 (zh)
JP (1) JP6487330B2 (zh)
KR (1) KR102108598B1 (zh)
CN (1) CN104797678B (zh)
FR (1) FR2998302B1 (zh)
WO (1) WO2014080104A1 (zh)

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JP2016502582A (ja) 2016-01-28
KR102108598B1 (ko) 2020-05-07
EP2922930A1 (fr) 2015-09-30
FR2998302A1 (fr) 2014-05-23
US20150291869A1 (en) 2015-10-15
CN104797678A (zh) 2015-07-22
FR2998302B1 (fr) 2015-01-23
US9752069B2 (en) 2017-09-05
KR20150087239A (ko) 2015-07-29
JP6487330B2 (ja) 2019-03-20
WO2014080104A1 (fr) 2014-05-30

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