Online flue filtering device for air draft and dust removal pipeline

An online flue filtering device for an air draft dust removal pipeline is located at the inlet end of the air draft dust removal pipeline and comprises a mounting plate, a protecting net, a protecting net motor, an object pouring chute and an object storage hopper, the mounting plate is fixed to a port of the air draft dust removal pipeline, the protecting net motor is assembled on the mounting plate, a turnover shaft is fixed to one side of the protecting net, and the turnover shaft is fixed to the other side of the protecting net. The protecting net motor is in transmission connection with one end of the overturning shaft through the speed reducing mechanism, the other end of the overturning shaft is supported by the supporting seat, the inlet end of the dumping chute is communicated with the mounting plate, the outlet end of the dumping chute is communicated with the storage hopper, and the protecting net blocks an inlet of the dust removal pipeline in an overturning state and corresponds to the inlet of t