Belt dehydrator with sludge treatment device

The utility model relates to the technical field of belt dehydrators. The utility model relates to a dehydrator, in particular to a belt dehydrator with a sludge treatment device. The belt dehydratorcomprises a belt dehydrator main body, a water inlet is formed in the top end of the belt type dehydrator main body; a box body is welded around the water inlet; a box cover is clamped at the top endof the box body; a telescopic cylinder is mounted in the middle of the bottom of the box cover; a pressing plate is welded at the bottom end of the telescopic cylinder; filter screen cloth is clampedbelow the box body; an activated carbon filter screen is clamped to the top end of the filter screen cloth, a through hole is formed in one side of the box body and located above the filter screen cloth, a sealing plate is plugged in the through hole, a connecting plate is welded to the inner side of the sealing plate, a fixing plate is welded to the bottom of the other end of the connecting plate, brush bodies are evenly w