Impermeable acid-proof brick for incinerator

The utility model relates to the technical field of building materials, in particular to an anti-seepage acid-proof brick for an incinerator, which comprises a working face and four connecting faces connected with the working face, and connecting units are arranged on the connecting faces and used for connecting two brick bodies. The connecting unit is arranged in the length direction of the connecting face and comprises a first connecting piece and a second connecting piece which are the same as the brick body in width and are oppositely arranged, the first connecting piece is an inner groove formed in the end of the brick body, and the second connecting piece extends outwards in the length direction of the working face; and the free end of the second connecting piece is matched with the first connecting piece of the other brick body. When the two brick bodies are spliced, the gap, facing the fixed surface, of the working surface between the two brick bodies is blocked and reduced through the bottom surface