Multifunctional high-temperature and high-pressure reaction kettle capable of realizing online monitoring

The utility model relates to the technical field of reaction kettles, in particular to a multifunctional high-temperature and high-pressure reaction kettle capable of realizing on-line monitoring. Comprising a kettle shell, a kettle cover, a pressure release valve, a thermometer, an air inlet, a handle, a drying machine, an air outlet, a pressure gauge, a vacuumizing pump, a heating wall, a shower type nozzle, a discharging opening, a pH sensor, a partition plate, a rotating disc, a mineralizer content sensor, an oxygen concentration sensor, a transmission data line, an intelligent terminal, a transmission support, a sample, a heat preservation layer and the like. The device is provided with the vacuumizing pump which can automatically vacuumize the inside of the kettle, so that the requirements in an anaerobic experiment environment are met. The pH sensor, the oxygen concentration sensor and the mineralizer content sensor are connected with the intelligent terminal, so that real-time online data monitoring c