【工作原理】除尘器使用DCF-4插管式脉冲阀的工作原理：DCF-4插管式脉冲阀的电控仪输入电信号，使电磁先导头吸合动柱，打开卸荷孔，膜片后腔的压力气体迅速排出，膜片前腔的压力气体将膜片抬起，打开通道，脉冲阀进行喷吹。DCF-4插管式脉冲阀电脉冲信号消失，电磁先导头的弹簧使动柱立即复位封闭卸荷孔，膜片后腔气体压力和弹簧作用力使膜片关闭通道，阀停止喷吹。DCF-4插管式脉冲阀由电磁先导头、膜片和阀体组
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