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宁波大榭开发区万华工业园热电有限公司 2×220t/h 炉炉外烟气脱硫除尘改造工程 布袋除尘器 技 术 方 案 南京龙玖环境工程有限公司 二零零九年九月 目 录 一、结构特点描述 .......................................................................................................... 1 二、袋式除尘器的气流分布 .......................................................................................... 1 三、袋式除尘器主要设备组成 ...................................................................................... 2 3 .1 本体 ...................................................................................................................... 2 3 .2 净气室 .................................................................................................................. 3 3 .3 脉冲清灰机构 ...................................................................................................... 3 3 .3 .1 清灰系统及装置综述 .................................................................................. 3 3 .3 .2 脉冲清灰压力 .............................................................................................. 4 3 .3 .3 清灰方式控制 .............................................................................................. 4 3 .3 .4 滤袋 .............................................................................................................. 5 3 .3 .5 袋笼 .............................................................................................................. 8 3 .3 .6 脉冲阀 .......................................................................................................... 8 3 .4 花板 ...................................................................................................................... 9 3 .4 .1 花板的选材 .................................................................................................. 9 3 .4 .2 花板开孔 ...................................