Sealing structure of suspension type heating furnace tube of heating furnace

The utility model belongs to the technical field of sealing structures, and particularly relates to a sealing structure of a suspension type heating furnace tube of a heating furnace, which comprises a heating furnace main body, a protective frame is arranged above the heating furnace main body, a furnace cover is arranged above the protective frame, and a reinforcing component is arranged on one side of the furnace cover. A dismounting block is arranged above the reinforcing assembly, a clamping rod is arranged below the reinforcing assembly, and a fixing assembly is arranged below the clamping rod; by arranging the heating furnace body, the protective frame, the furnace cover, the reinforcing assembly, the clamping rod, the fixing assembly, the clamping block, the fixing block and the conical block, when the sealing structure is disassembled, the disassembling block is pressed to drive the clamping rod on the reinforcing assembly to move upwards from the interior of the fixing assembly, and the conical bloc