污泥薄层干化机的理论与实验研究

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中图分类号：X703 文献标志码：A 文章编号：2095-2945（2025）24-0061-04

Abstract：Basedonthetwotheoriesofthin-layersludgedryingandwipedfilmevaporator，themainfactorsaffectingthe heattransfereficiencyofthin-layerdryerwerestudied.Throughprototypeexperiments，theefectsofrotationalsped，steam presureandinletmoisturecontentonheattransfereficiencywereinvestigated.Theresultsshowthat withinthestudiedworking range，increasingtherotationalspeedisconducivetotheimprovementoftheheattransfercoeficient；increasingthesteam presure，theheattransfercoefcientfirstdecreasesandthenstabilizes；increasingtheinletwatercontent，theheattransfer coeficientfirstdecreasesandthenincreases.Theexperimentalresultscanprovidereferenceforthedesignofsludgethinlayer drying machines.

Keywords： sludge； thin layer drying; heat transfer;experimental research；wiped film evaporator

污泥主要来自污水处理、油田开采和工业过程等产生的含固废弃物。（剩余4973字）