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粉尘预荷电与荷高压导电多孔陶瓷管耦合的除尘新技术研究
Authors
何卫平
冯家迪
+4 more
刘海弟
李伟曼
钱均新
陈运法
Publication date
1 January 2016
Publisher
Abstract
研究了粉尘预荷电与荷高压导电多孔陶瓷管耦合的除尘新技术。该技术首先通过设置直流负电晕(-20kV)的预荷电器对粉尘进行荷电,再使含尘气体穿过荷载高压负电(-5 000V)的导电多孔陶瓷管的管壁而进行过滤除尘。结果表明,该技术降低了导电多孔陶瓷管除尘过程的气体压降。在相同除尘时间(60min)内比较,该技术的粉饼压降(787Pa)仅为无荷电条件下粉饼压降(4 300Pa)的0.183倍;在相同粉饼质量(1 000g)的情况下比较,该技术的粉饼压降仅为无荷电条件下40 min粉饼压降(2 747Pa)的0.286倍。这很可能是因为粉尘荷电导致的颗粒间斥力使粉饼更加疏松,而且导电多孔陶瓷管荷载与粉尘相同的电荷,两者结合松散,减小了过滤过程中的气体压降。该技术有望显著降低工业多孔陶瓷管除尘过程的气体压降,并延长其再生周期
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Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/22318
Last time updated on 13/08/2017
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/34784
Last time updated on 05/12/2019
Institutional Repository of Institute of Process Engineering, CAS (IPE-IR)
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oai:ir.ipe.ac.cn:122111/44773
Last time updated on 11/04/2021