Rapidly assembled and disassembled composite seating brick

The utility model discloses a composite brick cup capable of being quickly assembled and disassembled, and relates to the technical field of refractory materials. The fixing assemblies are arranged on the top faces of the seat bricks and located at the two ends, close to one set of side walls of the seat bricks, of the seat bricks, so that every two adjacent seat bricks are fixed in the stacking installation process of the seat bricks. According to the seat brick, the protrusions and the clamping grooves are arranged on the seat brick, when the seat brick is installed and stacked, the installation process of the seat brick can be completed more conveniently through cooperation of the protrusions and the clamping grooves, and through the fixing sleeves and the locking bolts on the surfaces of the seat brick bodies, after the seat brick bodies are installed, the locking bolts are inserted into the fixing sleeves on the adjacent seat brick bodies; the two adjacent seating bricks are mounted and connected more fi