Mortar boiling box

The utility model discloses a mortar boiling box which comprises a base and a heating box connected to the top of the base, a drainage pipe is installed on the side wall of the heating box, a heating structure is arranged in the heating box, a folding cover is installed on the top of the heating box, an exhaust fan is connected to one side of an upper opening of the heating box, and the input end of the exhaust fan is connected with an air suction port. A filtering structure is installed at the inlet end of the air suction port, and the output end of the exhaust fan is connected with a spring pipe. A cement test cake is placed in the grid plate in the heating box, a proper amount of water is added for heating, a large amount of water vapor can be generated after the water is boiled, the sight is influenced, at the moment, the exhaust fan is connected with a power supply to extract the water vapor, the water vapor is discharged through the spring pipe, and the spring pipe can be connected to the outside or a p