Coal gas fan unit silencer

The utility model provides a coal gas fan unit silencer, including one -level noise eliminator and second grade noise eliminator, one -level noise eliminator include admission line, dilatation filter chamber, activated carbon filter room and preliminary anechoic chamber, the admission line be connected with the dilatation filter chamber, the dilatation filter chamber is connected with the activated carbon filter room, the activated carbon filter room is connected with preliminary anechoic chamber, one -level noise eliminator and second grade noise eliminator pass through the coupling joint, the second grade silencer include noise elimination casing and noise elimination chamber, the inside noise elimination chamber that is equipped with of noise elimination casing, second grade noise eliminator right side be equipped with the pipeline of giving vent to anger, the utility model discloses simple structure, convenient to use locates coal gas fan unit's income wind gap and air outlet, successively through filtrat