Working fluids for thermal energy conversion of waste heat form fuel cells using rankine cycle systems
    12.
    发明公开
    Working fluids for thermal energy conversion of waste heat form fuel cells using rankine cycle systems 审中-公开
    使用兰金循环工作的系统装置,用于从燃料电池废热的热能转换

    公开(公告)号:EP2063073A2

    公开(公告)日:2009-05-27

    申请号:EP08021129.5

    申请日:2005-07-18

    IPC分类号: F01K25/08 C09K5/04 H01M8/00

    摘要: A process for recovering waste heat which comprises (a) passing a liquid phase working fluid through a heat exchanger in communication with a process which produces the waste heat; (b) removing a vapour phase working fluid from the heat exchanger; (c) passing the vapour phase working fluid to an expander, wherein the waste heat is converted into mechanical energy; and (d) passing the vapour phase working fluid from the expander to a condenser, wherein the vapour phase working fluid is condensed to the liquid phase working fluid. The preferred working fluid is an organic Rankine cycle system working fluid comprising one or more compounds selected from the group consisting of 1,1,1,2,2,4,4,4-octafluorobutane, 2-trifluoromethyl-1,1,1,3,3-pentafluoropropane, 1,1,1,2,2,3,3,4-octaflourobutane, 1,1,1,2,2,3,3,4,4-nonafluorobutane, trifluoromethyl-1,1,1,2,2,-pentaflouropropyl ether or 3-trifluoromethoxy - 1,1,1,2,2-pentafluoropropane, 1,1,1-trifluoroethyl perfluoroethyl ether or 2-perfluoroethyl-1,1,1-trifluoroethane, 2-trifluoromethyl-1,1,1,3,3,3-hexafluoropropane or 2-H perfluoroisobutane, methyl (1,1,1,2,3,3,3-heptafluoropropane)-2-ether or 2-methoxy perfluoropropane, methyl 1,1,1,2,2,3,3-heptafluoropropane ether or 3-methoxyperfluoropropane, 1,2,2,2-Tetrafluoroethyl-1,1,1,2,2,3,3-heptafluoropropane ether or 2-perfluoropoxy-1,1,1,2-tetrafluoroethane, perfluoro-tertiary butyl alcohol, 1,1,2,2,3,3,4,4-octafluorobutane, 1,1,1,2,2,3,3,4,4,5,5-undecafluoropentane, 1,1,1,2,3,4,4,5,5,5-decafluoropentane, 4-trifluoromethyl-1,1,1,3,5,5,5-heptafluoro-2-pentene, cyclo-1,1,2,2,3,4,-hexafluorobutane, cyclo-1,1,2,2,3,3,4,4,5,5-decafluoropentane, and H-dodecafluoropentane isomers.

    摘要翻译: 一种回收废热,其包括(a)使液相的工作流体通过与过程产生的废热连通的热交换器的过程; (B)中除去气相从热交换器的工作流体; (C)使所述蒸气相在膨胀器的工作流体,worin废热被转换成机械能; 和(d)使所述气相工作流体从膨胀到冷凝器,worin气相工作流体冷凝成液相工作流体。 优选的工作流体为包含选自1,1,1,2,2,4,4,4八氟丁烷,2-三氟甲基 - 1,1,1-中选择一种或多种化合物的有机朗肯循环系统的工作流体 ,3,3-五氟丙烷,1,1,1,2,2,3,3,4-octaflourobutane,1,1,1,2,2,3,3,4,4-九氟丁烷,三氟甲基-1,1- ,1,2,2,-pentaflouropropyl醚或3-三氟甲氧基 - 2-全氟乙基-1,1,1-三氟乙烷,2- 1,1,1,2,2-五氟丙烷,1,1,1-三氟乙基全氟乙基乙烯基醚或 三氟甲基 - 1,1,1,3,3,3-六氟丙烷或2-H perfluoroisobutane,甲基(1,1,1,2,3,3,3-七氟丙烷)-2-醚或2-甲氧基全氟丙烷, 甲基1,1,1,2,2,3,3-七氟丙烷醚或3- methoxyperfluoropropane,1,2,2,2-四氟1,1,1,2,2,3,3-七氟丙烷醚或2 -perfluoropoxy -1,1,1,2-四氟乙烷,全氟 - 叔丁醇,1,1,2,2,3,3,4,4-八氟丁烷,1,1,1,2,2,3,3- ,4,4,5,5-十一氟戊烷,1,1,1,2,3,4,4,5,5,5-十氟戊烷,4-三氟甲基 1,1,1,3,5,5,5-七氟-2-戊烯,环-1,1,2,2,3,-hexafluorobutane,环1,1,2,2,3,3- ,4,4,5,5-十氟戊烷,和H-十二氟戊烷异构体。