Inner container end face sealing structure of hydrothermal reaction kettle suitable for ceramic materials

The invention relates to the technical field of chemical engineering experiment devices, in particular to a hydrothermal reaction kettle inner container end face sealing structure suitable for ceramic materials, which comprises a kettle cover, a kettle body and an inner container, a pressure relief assembly is arranged on the kettle cover, and a water removal assembly is arranged on the kettle cover at the upper end of the pressure relief assembly. The kettle cover is provided with a water removal assembly, the kettle cover is further provided with a water drainage assembly at the side end of the water removal assembly, the pressure relief assembly comprises a pressure relief channel, the pressure relief channel is internally provided with a sliding piston plate, and the sliding piston plate is provided with an inclined plane ejection block. The inclined plane ejection block, a wedge block, the sliding ejection block, a fan blade plate, a transmission belt, an elastic bag, a sliding water removal plate and ot