Steel lining teflon reaction kettle with limit detection structure

The utility model discloses a steel lining teflon reaction kettle with a limit detection structure, which comprises a reaction kettle body, a pressure detection box arranged on the upper side of the reaction kettle body, a detection channel arranged in the middle of the pressure detection box, an air outlet disc arranged at the bottom of the detection channel, an accommodating groove arranged on the detection channel, and an air bag arranged on one side of the accommodating groove. A moving assembly is arranged at the top of the air bag, a circuit device is arranged at the top of the detection channel, and pressure relief channels are arranged on the two sides of the pressure detection box. The reaction kettle has the beneficial effects that gas in the reaction kettle body flows into the detection channel from the gas outlet disc, the gas bag is gradually expanded under the pressure of the gas, the moving component is driven to move, when the gas pressure reaches the limit, the gas bag is completely attached