Hazardous chemical gas leakage prevention equipment for college laboratory

The invention relates to the technical field of laboratory equipment, and discloses hazardous chemical gas leakage prevention equipment for a college laboratory. The equipment comprises a tank body, a pressure sensor and a gas concentration detection sensor, an opening is formed in the upper end of the tank body, an annular plate is fixedly connected to the opening, a plurality of clamping blocks which are evenly distributed are fixedly connected to the upper end of the annular plate, a sealing plate is arranged at the upper end of the annular plate, a cross rod is fixedly connected to the upper end of the sealing plate, a plurality of connecting rods are fixedly connected to the upper end of the cross rod, a brake ring is fixedly connected to the upper ends of the connecting rods jointly, and a plurality of clamping grooves are formed in the rod wall of the cross rod. According to the hazardous chemical gas leakage prevention equipment for the college laboratory, compressed and liquefied dangerous chemical g