Gas purification equipment

The utility model discloses gas purification equipment, and relates to the technical field of gas purification, in particular to the gas purification equipment which comprises a gas storage tank, a sterilization tank is placed above the gas storage tank, a drainage pipe is fixedly connected between the gas storage tank and the left side of the sterilization tank, a drainage groove is formed in the position, close to the bottom, of the outer side of the sterilization tank, and the drainage groove is communicated with the drainage pipe. An exhaust pipe is fixedly connected to the right end of the disinfection box, a telescopic column is fixedly mounted on the exhaust pipe, and a plugging block is fixedly mounted at the top end of an output shaft of the telescopic column. According to the gas purification equipment, the disinfection box is arranged, the spraying mechanism is arranged above the disinfection box and can spray gas flowing through an inner cavity of the disinfection box, meanwhile, the disinfection