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除尘布袋的静电吸附有什么作用?

文章作者:誉科环保   发布时间:2017-11-29
粉尘颗粒间相互撞击会产生静电,如果 除尘布袋 是绝缘体,会使除尘布袋充电。当粉尘和除尘布袋所带的电荷相反时,粉尘就被吸附在除尘布袋上,从而提高除尘效率,使粉尘清理较

    粉尘颗粒间相互撞击会产生静电,如果除尘布袋是绝缘体,会使除尘布袋充电。当粉尘和除尘布袋所带的电荷相反时,粉尘就被吸附在除尘布袋上,从而提高除尘效率,使粉尘清理较难。

    Collisions between particles will produce electrostatic, if dust bag is an insulator, can make the dust bag.When the dust and dust bag with the opposite charge, the dust was adsorbed on the dust bag, thus improve the efficiency of dust removal, dust cleaning up is more difficult.

    反之如果两者所带电荷相同,则产生斥力,粉尘不能吸附到除尘布袋上,使除尘效率下降。所以,静电作用能改善或妨碍除尘布袋的除尘效率。为了保证除尘效率,   根据粉尘的电荷性质来选择除尘布袋。一般静电作用只有在粉尘粒径小于1μm以及过滤气速很低时才显示出来。在外加电场的情况下,可加强静电作用,提高除尘效率。

除尘布袋

    Conversely if both in the same electric charge, the repulsive force, dust adsorption onto the dust bag, bring down the dust removal efficiency.So, electrostatic effect can improve or prevent dust bag dust removal efficiency.In order to keep the dust removal efficiency, it is necessary to choose according to the charge properties of dust dust bag.General electrostatic effect only in the dust particle size less than 1 microns and displayed filtering gas velocity is very low.Under the condition of the applied electric field, can strengthen the electrostatic effect, improve the efficiency of dust removal.

    布袋除尘器主要由箱体、除尘布袋(含框架)、清灰装置、灰斗及除灰装置等组成。含尘烟气进入箱体后经过除尘布袋时粉尘被阻挡在除尘布袋的外侧,净化后的烟气经除尘布袋内侧被排出。

    Cloth bag dust remover is mainly composed of enclosure, dust bag (including framework), ash removal device, ash hopper and ash device, etc.When protecting air enter the body through the dust bag dust is blocked on the outer edge of the dust bag, after purification of the flue gas by dust bag inside is expelled.


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