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骨架:也成袋笼或滤袋框架,负责支撑布袋,使之在过滤及清灰状态下张紧并保持形状,尽量减少受折损伤,因滤袋直径及材质的相异而有不同的要求。
材质有:低碳钢丝、镀锌钢丝、不锈钢线材等。形状多为圆形、椭圆形、扁形、信封形(PL单机)、梯形、星型(内角星型骨架,收缩突出,清灰好)、弹簧形(内滤式),插接式(多节,卡盘式)骨架,其它根据客户要求定制各型号的除尘骨架;一般都是外滤式骨架,弹簧有时会用于内滤式。
表面处理:有镀锌、喷塑(防腐、大多数用、延长滤袋寿命)、表面有机硅喷涂等。表面有机硅涂层特别适用于腐蚀性大的粉尘。
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