Spiral filter bag

The utility model provides a spiral filter bag. It is including the bag body and bag ring, the bag body is spiral line form, the bag body adopts polyester needle felt, upper and lower two parts of the bag body do not with a bag circumferential weld system, bag ring adopts the rubber ring, and spiral filter bag can increase the effective filtration area, increase with the contact collision probability of smoke and dust granule, and surface texture is inside easily fine particle gets into the filter bag structure, the clearance jetting of being convenient for, the dust of bag body surface face comes off with higher speed, makes dust effective clearance in time. 种螺旋滤袋。其包括袋体和袋环，所述袋体为螺旋纹状，所述袋体采用涤纶针刺毡，所述袋体的上、下两部分别和袋环缝制，所述袋环采用橡胶环，螺旋滤袋可以增大有效过滤面积，增加与烟尘颗粒的有效接触碰撞几率，且表面结构不易于微细粉尘进入滤袋结构内部，便于清理喷吹，加速袋体表面的灰尘脱落，使灰尘及时有效清理。