Steel fireproof door with heat insulation performance

The utility model discloses a steel fireproof door with heat insulation performance, which relates to the technical field of fireproof doors and comprises a fireproof door body, a protection mechanism is arranged on one side of the fireproof door body, a fire extinguishing mechanism is arranged on one side of the protection mechanism, and the protection mechanism comprises a sound insulation layer, a waterproof layer and a fireproof layer. Under the interaction of the sound insulation layer, the waterproof layer and the fireproof layer, noise is absorbed, the influence of the noise on a user is reduced, corrosion of the fireproof door body caused by water vapor erosion is prevented, fire spreading can be prevented, and the service life of the fireproof door is prolonged. Under the interaction of a push ring, a sliding rod, a push ring, an arc-shaped stabilizing block, a supporting plate, a supporting block, a clamping rod, a clamping groove, a motor, a threaded rod and a limiting rod, a fire-fighting water pi