Steel Heat Treating Technologies
Fluidized-Bed Heat Treating Equipment
This article discusses the important characteristics of fluidized beds. The total space occupied by a fluidized bed can be divided into three zones: grid zone, main zone, and above-bed zone. The article discusses the various types of atmospheres of fluidized beds, such as oxidizing and decarburizing atmosphere; nitrocarburizing and nitriding atmosphere; carburizing and carbonitriding atmosphere; and chemical vapor deposition atmosphere. External resistance heating, external combustion heating, internal resistance heating, direct resistance heating, submerged combustion heating, and internal combustion heating can be used to achieve the heat input for a fluidized bed. The article also describes the operations, design considerations,...
Weimin Gao, Lingxue Kong, Peter Hodgson, Fluidized-Bed Heat Treating Equipment, Steel Heat Treating Technologies, Vol 4B, ASM Handbook, Edited By Jon L. Dossett, George E. Totten, ASM International, 2014, p 233–241, https://doi.org/10.31399/asm.hb.v04b.a0005927
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