Reaction system suitable for supercritical water oxidation intermittent operation

The invention belongs to the technical field of environment-friendly solid waste treatment and discloses a reaction system suitable for supercritical water oxidation intermittent operation. A heatingsleeve is arranged outside a reaction kettle in a surrounding mode, the heating sleeve and the reaction kettle are integrally arranged, a thermal insulation sleeve is arranged outside the heating sleeve, and the reaction kettle and the thermal insulation sleeve can respectively lifted up and down; a reaction kettle cover is provided with a gas oxidizing agent inlet, an inert gas inlet, a pressuremeasuring operation, a pressure relief opening, a safety valve installation opening and a stirrer motor; the stirrer motor is connected with a stirring rod, and stirring paddles are arranged on the stirring rod and at different positions; a reaction kettle circulating cooling water coil is arranged in the reaction kettle. The reaction system disclosed by the invention can ensure long-period stableoperation; simultaneously,