滤饼

滤饼的形成有助于提高除尘效率，但也会使压力损失增加。滤饼对压力损失的影响取决于滤饼厚度和粉尘比阻力係数。当滤饼增厚致使压力损失达到限定值时，必须清除滤饼，其方法有多种，但都属于振打和逆气流反吹两大範畴。

英文释义：The filtercake is a layer of compacted particles,the cake is expected to have a lower porrsity and permeability than the porous rock itself