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1.发明公开WÄRMEÜBERTRAGER, VERFAHREN ZUR WARTUNG BZW. HERSTELLUNG UND ZUM BETREIBEN EINES WÄRMEÜBERTRAGERS, KRAFTWERK UND VERFAHREN ZUR ERZEUGUNG ELEKTRISCHER ENERGIE 审中-公开热交换器，过程进行维护或 生产和工作的换热器，电厂和方法用于产生电能
公开(公告)号：EP2999936A1
公开(公告)日：2016-03-30
申请号：EP14725369.4
申请日：2014-05-20
CPC分类号： F28D7/02 , B23P15/26 , F28D7/0091 , F28D7/024 , F28D7/06 , F28D2020/0047
摘要： The invention relates to a heat exchanger (1), to a method for maintaining and to a method for producing a heat exchanger, to a method for operating a heat exchanger, to a power plant, in particular a solar thermal power plant, and to a method for generating electric power. According to the invention the heat exchanger (1) comprises a pipe system (30) for receiving a heat exchange medium, which is or can be subdivided at least into a first pipe bundle (31) and a second, replaceable pipe bundle (32). The first pipe bundle (31) is designed for the operation in a first temperature range over a first time period, and the second pipe bundle (32) is designed for the operation in a second temperature range over a second time period, the temperatures of the second temperature range being higher than the temperatures of the first temperature range and the second time period being shorter than the first time period. According to the invention the first temperature range is limited by a maximum temperature which is lower than the temperature of the material of the first pipe bundle (31) above which, with the given mechanical loading of the first pipe bundle (31), creeping of the material of the first pipe bundle (31) begins, and/or the second temperature range is limited by a maximum temperature, which is as high or higher than the temperature of the material of the second pipe bundle (32), above which, with the given mechanical loading of the second pipe bundle (32), creeping of the material of the second pipe bundle (32) begins.
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