旋风除尘器入口气流速度多大为宜

2025-03-15 07:06:34
推荐回答(3个)
回答1:

旋风除尘器一般适合处理10μm以上的颗粒粉尘,通常作为一级除尘使用。起到降温阻火等作用。理论上入口风速选12-20m/s,河北新恒展环保经多年经验建议选18m/s左右不宜再大,其次要根据其处理含尘气体温度高低和粉尘的性质可适当调整,如有疑问欢迎来电,希望能帮到您。

回答2:

切向进入式旋风除尘器又可分为切线型入口和涡壳型入口两种。1、切线型入口这种旋风除尘器入口链接导管的外币与除尘器外通体相切。采用这种入口方式,含尘气流进入除尘器后一般会产生双漩涡运动,并在筒体与排气芯管之间形成上下两个灰环。随着除尘器的连续运行,上灰环的粉尘不断地积累,此时如果处理不当,有可能使上灰环的一部分被卷入内漩涡,经排气管排出,从而影响除尘效率。2、涡壳型入口这种旋风除尘器入口连接导管的内壁与除尘器外通体相切,连接导管的外壁延伸为半圆周或全圆周的涡壳型。实验表明,采用这种入口方式,可以避免筒内气流之间的互相干扰,对减少除尘器的阻力,提高处理风量和除尘效率有利。例如当进风口的总面积相同时,可以改变进口的高度,使进口的宽度减薄,含尘气流进入除尘器时离轴心的距离增加了,也就是说缩短了尘粒移向筒壁的距离,从而有利于除尘效率的提高。切向进入式旋风除尘器,大多数情况下都是单个独立使用,但在某些场合也可多个并联使用,以适应处理风量增减的需要和维修。旋风除尘器串联使用的情况一般很少见。

回答3:

15一20之间

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