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System and process for recovering heat from weak black liquor in a wood pulping process
System and process for recovering heat from weak black liquor in a wood pulping process
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机译:在制浆过程中从稀黑液中回收热量的系统和方法
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#$%^&*AU2013203828B220150205.pdf#####SYSTEM AND METHOD FOR RECOVERING HEAT FROM WEAK BLACK LIQUOR IN A WOOD PULPING PROCESS ABSTRACT A wood pulping process includes producing weak black liquor and cooling the liquor as well as recovering heat therefrom by directing the weak black liquor through a spray film evaporator (10). A feed or condensate is directed into the spray film evaporator (10) and the feed or condensate is sprayed onto the outer surfaces of a bundle of tubes (10A). This results in the feed or the condensate being vaporized and producing a vapor that can be utilized as a heat source for other processes in a pulp mill.
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