The invention relates to a stirring pulp cooking and air-controlled pulp inlet and outlet device for pulp food, and the stirring pulp cooking and air-controlled pulp inlet and outlet device comprises a pulp cooking
barrel, a stirring device, a heating device, an overflowed pulp return device, and an air
pressure control device, wherein the pulp cooking
barrel is provided with a pulp inlet, a pulp outlet, and an air port, the stirring device comprises a stirrer and a stirring driver, the air
pressure control device comprises a steam generator and a sucking device, a
closed cavity is formed inside the pulp cooking
barrel, the pulp inlet of the pulp cooking barrel is provided with a control valve which can be automatically opened or closed according to the pressure of the pulp cooking barrel, the air port of the pulp cooking barrel is provided with a control valve connected with the air
pressure control device, and is also connected with overflowed pulp return device, the inner wall of the overflowed pulp return device is smooth and is provided with a return cavity with unidirectional slope, the low point of the return cavity is provided with a first connection port connected with the pulp cooking barrel, the overflowed pulp return device is also provided with a second connection port, one connection port of the overflowed pulp return device is provided with a control valve which can be automatically opened or closed according to the pressure of the pulp cooking barrel, the stirrer is arranged in the pulp cooking barrel, the stirring driver is arranged outside the
closed cavity, and a
coupling action force is formed between the stirrer and the stirring driver. According to the stirring pulp cooking and air-controlled pulp inlet and outlet device,
pollution-free, rapid and safe
heat processing treatment on the pulp food can be realized by closed pulp cooking, isolated stirring, overflowed pulp return and air-controlled pulp inlet and outlet.