Heat insulation furnace refractory layer capable of improving heat resistance effect

The utility model relates to the technical field of heat-insulating furnaces, and discloses a heat-insulating furnace refractory layer capable of improving heat-resisting effect, which solves the problem that the temperature in a heat-insulating furnace is higher and a metal pipe is damaged, and comprises a refractory brick pipeline, a metal pipe is mounted on the outer side of the refractory brick pipeline, and longitudinal reinforcing ribs are mounted on the outer side of the metal pipe at equal angles. Transverse reinforcing ribs are installed on the outer side of the metal pipe at equal intervals, an outer wall reinforcing mechanism is installed on the outer side of the refractory brick pipeline, a combined connecting mechanism is installed on the outer side of the outer wall reinforcing mechanism, and the outer wall reinforcing mechanism comprises clamping blocks symmetrically installed at the included angles between the longitudinal reinforcing ribs and the transverse reinforcing ribs. In the working pr