Dedusting filter bag supporting frame

The utility model relates to a dedusting filter bag support frame which comprises a first adjusting pipe and a second adjusting pipe, an adjusting mechanism and a rust-proof mechanism are arranged on the first adjusting pipe, and the adjusting mechanism comprises a connecting rib, a moving pipe, a rotating sleeve, a compensating pipe, a control piece and a reducing ring. The two ends of the connecting rib are connected to the first adjusting pipe and the second adjusting pipe respectively, the two ends of the compensation pipe are connected with the movable pipes respectively, the variable-diameter rings are installed at the two ends of the movable pipes respectively, the adjusting mechanism is designed, under the action of the variable-diameter rings, the control pieces can control opening and closing of the control pieces, and under the action of the control pieces on the two sides, the variable-diameter rings can control opening and closing of the control pieces. Therefore, the flow velocity can be control