| 摘要 |
PURPOSE: A cartridge filter for a dust collecting filter is provided to prevent the transformation of a cartridge filter bag and to restore a transformed cartridge filter bag although highly compressed gas is applied to the cartridge filter bag. CONSTITUTION: A cartridge filter for a dust collecting filter includes a cartridge filter bag(110) and gap maintaining units. The cartridge filter bag includes a plurality of curved threads which is formed along the outer circumference of the cartridge filter bag. The gap maintaining units maintain gaps between the curved threads by being combined with the curved threads. The gap maintaining units are springs(151, 152). A plurality of spiral threads is formed at the springs. The spiral threads are correspondingly combined with the curved threads. Frames(131, 132) are combined with both end parts of the cartridge filter bag. The springs are embedded in the frames. |
