Silencer for exhaust equipment

The utility model discloses a silencer for exhaust equipment. Cylinder body, a first sound insulation plate is movably inserted into the inner side of the cylinder body; a silencing column is fixedlymounted on one side of the first sound insulation plate; a second sound insulation plate is fixedly mounted at one end of the silencing column; through holes are formed in the surfaces of the first sound insulation plate and the second sound insulation plate, a buffer cavity is formed between the first sound insulation plate and the second sound insulation plate, a front end cover is movably installed at the end, close to the left side, of the barrel, a guide-in opening is formed in the surface of the front end cover, and a rear end cover is movably installed at the end, close to the right side, of the barrel. According to the silencing device for the exhaust equipment, through cooperative use of the first sound insulation plate, the buffer cavity, the second sound insulation plate, the silencing columns and the t