An anchor brick for an industrial furnace top, comprising a cylinder consisting of a hanging end and an anchor, a spaced-apart groove formed on the surface of the anchor, and a rib in the longitudinal direction on at least one surface of the anchor , after the installation of ribs, due to the reinforcement and pulling effect of the bar, the tensile strength of the anchor is significantly improved, the stress generated at the groove in the ribs can not continue to pass the barrier, so the structure of the anchor brick is not easy fracture occurs.
