浓相气力除灰系统堵塞的原因及处理  

The Reason and Solution for the Clog of Concentrated Phase Pneumatic Ash Handling System

作　　者：蒋丽华 顾源 杨红 

机构地区：[1]云南省火电建设公司,昆明650032

出　　处：《重庆电力高等专科学校学报》2003年第3期50-53,共4页Journal of Chongqing Electric Power College

摘　　要：根据 Geldart 的颗粒分类方法,对于 A、B 类颗粒物料易流化,采用气力方式可实现浓相低流速柱塞状输送,使输送管道的磨损最小。而宣威电厂浓相气力除灰系统却发生堵塞,就其原因是带负荷时管道初始流速、初始压力较小所致。经过分析、调整、试验,达到了预期目的。According to Geldart granule sort,A and B granule are easily fluidized.In pneumatic ash handling system,the granule can be concentrated phase conveyed in the shape of plunger at low flow velocity,and the attrition of conveying pipe in this system is least.But the concentrated phase pneumatic ash handling system in Xuan Wei Power Plant is often clogged because of the less initial velocity and pressure of the pipe when the unit is on-load.By analyzing,regulating and testing,we have reached the expectant purpose.

关 键 词：电厂 燃煤机组锅炉 浓相气力除灰系统 电气除尘器 设计参数 

分 类 号：TM621.2[电气工程—电力系统及自动化]