Annealing furnace with rapid cooling function

The utility model discloses an annealing furnace with a quick cooling function, which comprises a shell, an inner container is arranged on the inner side of the shell in a way of penetrating through the front surface, and an L-shaped plate is arranged, so that a worker can separate a door plate from the front surface of the inner container under the action of external force and then hold a grip by hand; under the action of external force, the grip drives the frame and all parts to rotate with the rotating rod close to the left side as the circle center under the support of the L-shaped plate, and then the magnet is attracted and fixed to one side of the shell under the support of the supporting plate by utilizing the property that the magnet has magnetism and can attract iron, so that the back face of the frame is attached to the front face of the inner container; the frame and all parts of the frame and the opening in the front face of the inner container are covered and closed, meanwhile, the draught fan is