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    • 8. 发明申请
    • WORKING FLUIDS FOR THERMAL ENERGY CONVERSION OF WASTE HEAT FROM FUEL CELLS USING RANKINE CYCLE SYSTEMS
    • 使用RANKINE循环系统从燃料电池进行热能转换的工作流体
    • WO2006014609A2
    • 2006-02-09
    • PCT/US2005/025522
    • 2005-07-18
    • HONEYWELL INTERNATIONAL, INC.SINGH, Rajiv R.WILSON, David P.HULSE, RyanZYHOWSKI, Gary J.
    • SINGH, Rajiv R.WILSON, David P.HULSE, RyanZYHOWSKI, Gary J.
    • C09K5/00
    • H01M8/04029C09K5/045F01K25/08H01M8/04022H01M2250/405Y02B90/16Y02P20/123Y02P20/124
    • 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 vapor phase working fluid from the heat exchanger; (c) passing the vapor phase working fluid to an expander, wherein the waste heat is converted into mechanical energy; and (d) passing the vapor phase working fluid from the expander to a condenser, wherein the vapor 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 of Formula (I) (I) CR'y, wherein y is 3 or 4 and each R' is independently H, F, I, Br, substituted or unsubstituted C3 - C9 alkyl, substituted or unsubstituted C2-C9 alkoxy, substituded or unsubstituted fluoropolyether, substituted or unsubstituted C2-C9 alkenyl, substituted or unsubstituted aryl, substituted or unsubstituted C6-C9 alkylaryl, or substituted or unsubstituted C6-C9 alkenyaryl, provided said compound includes at least two carbon atoms, at least one fluorine atom, and no chloride atoms, and further provided that any OH substituted alkyl preferably has at least three carbon atoms.
    • 一种用于回收废热的方法,包括:(a)使液相工作流体通过与产生废热的过程连通的热交换器; (b)从热交换器中除去气相工作流体; (c)使气相工作流体通过膨胀机,其中废热转化为机械能; 和(d)使气相工作流体从膨胀器通到冷凝器,其中气相工作流体被冷凝到液相工作流体。 优选的工作流体是包含一种或多种式(I)(I)(I)(I)(I))化合物的有机兰金循环系统工作流体,其中y是3或4,并且每个R'独立地是H,F,I,Br,取代的 或未取代的C 3 -C 9烷基,取代或未取代的C 2 -C 9烷氧基,取代或未取代的氟聚醚,取代或未取代的C 2 -C 9烯基,取代或未取代的芳基,取代或未取代的C 6 -C 9烷基芳基或取代或未取代的C 6 -C 9烯基芳基, 所述化合物包括至少两个碳原子,至少一个氟原子,并且不含氯原子,并且进一步规定任何OH取代的烷基优选具有至少三个碳原子。