Safety tool for emptying and pollution discharge of gas closed space equipment

The utility model relates to the technical field of fuel gas equipment, in particular to a safety tool for emptying and pollution discharge of fuel gas closed space equipment, which comprises a pollution collector, a sealing cover covers the upper end of the pollution collector, guide grooves are symmetrically arranged at the upper end of the sealing cover, one end of each guide groove is fixedly provided with a rotary pressing device, and the other end of each guide groove is fixedly provided with a rotating shaft. A telescopic groove is formed in the lower end of the sealing cover, an auxiliary sealing device is inserted into the telescopic groove, a sealing groove is formed in an opening of the dirt collector, and an auxiliary sealing device is inserted into the sealing groove. According to the dirt collector sealing cover, the dirt collector is sealed through the cooperation of the sealing cover and the elastic rubber ring, the sealing effect on the dirt collector can be fully guaranteed, the sealing cove