Flow-equalizing low-resistance straight-through bag type dust collector

The invention discloses a flow-equalizing low-resistance straight-through type bag type dust collector. The bag type dust collector comprises a box body and a flue gas inlet section which are communicated with each other, the flue gas inlet section comprises an inlet section body, and a plurality of first flow dividing cavities are formed in the inlet section body; the box body comprises a box body and a dust hopper which are communicated with each other, an inner cavity is formed in the box body and is divided into an air purification cavity and a dust removal cavity by virtue of a pattern plate, and the dust removal cavity comprises a first mounting cavity, a filter bag mounting cavity and a second mounting cavity which are sequentially communicated from the longitudinal front end to the longitudinal rear end; a plurality of filter bags are arranged on the inner edge of the filter bag mounting cavity; the first mounting cavity and the second mounting cavity are the same in structure and are symmetrically ar