{"id":10380,"date":"2025-12-19T08:00:00","date_gmt":"2025-12-19T06:00:00","guid":{"rendered":"https:\/\/kopar.fi\/?p=10380"},"modified":"2026-05-27T10:16:32","modified_gmt":"2026-05-27T07:16:32","slug":"what-is-the-difference-between-a-bag-filter-and-a-bag-filter","status":"publish","type":"article","link":"https:\/\/kopar.fi\/en\/mita-eroa-on-pussisuodattimella-ja-letkusuodattimella\/","title":{"rendered":"What is the difference between a bag filter and a bag filter?"},"content":{"rendered":"

The bag filter and the bag filter are both efficient silo filters that separate dust and fine particles from the air during bulk handling. The key difference is the design: in a bag filter, the filter bags hang freely and are cleaned by gravity, whereas in a bag filter, the filter hoses are supported and cleaned by compressed air pulses. The choice depends on the application, material properties and maintenance needs.<\/p>\n\n\n\n

What is the difference between the design and principle of operation of a bag filter and a bag filter?<\/h2>\n\n\n\n

The bag filter design is based on free-hanging filter bags that collect dust on their surface as the material flows upwards through the filter. The dust is released from the surface of the bag by shaking or gravity and falls into the collection container. A hose filter, on the other hand, uses supported filter hoses that are cleaned by compressed air pulses. The pulse causes a rapid expansion of the hose, which effectively removes the dust layer from the filter surface.<\/p>\n\n\n\n

The filtration mechanism works on the same principle for both types: air flows through the filter material, while solid particles are trapped in the filter cake that forms the surface. This dust layer improves filtration efficiency, but it must be removed regularly to prevent an increase in flow resistance.<\/p>\n\n\n\n

The structural difference directly affects the space requirements of the filter. Bag filters require more height because the bags need to hang freely. Bag filters can be installed more compactly, as the supported tubes allow for a more efficient use of space. In pneumatic conveying systems, this can be a decisive factor in the choice of filter type.<\/p>\n\n\n\n \n

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