Fire grate speed reducing device for processing concrete solid water reducing agent

The utility model discloses a fire grate speed reducing device for processing a concrete solid water reducing agent, which comprises a speed reducing box, a motor is fixedly connected above the speed reducing box, a belt cover plate is fixedly connected on one side of the speed reducing box, a support plate is arranged at the bottom of the speed reducing box, ash absorbing devices are arranged on two sides of the top of the support plate, and a plurality of ash absorbing devices are arranged on the top of the support plate. The dust collection device comprises a supporting plate, supporting columns are arranged on the two sides of the bottom of the supporting plate, a pedal is fixedly connected to one side of each supporting column, a dragging opening is formed in each pedal, and a rotating side opening is formed in the other side of each supporting column. Dust is prevented from entering the reduction gearbox, the motor or the belt cover plate to affect normal operation of the device, and the dust can be col