Flat bag dust collector is a new type of modular dust collector equipment developed on the basis of round bag pulse dust collector. It uses a flat rectangular filter bag element. The module box side insert flat bag dust collector works the same as the round bag pulse dust collector. It also has the advantages of high efficiency of bag dust collector and greatly uses the dust removal space of the equipment, so the equipment structure is more compact and the volume is reduced , It is easy to install and use in indoor or narrow places, and improves the flexibility of process design and layout. The dust removal box adopts a unit combination structure, which is convenient for organization and production.