Vapor recovery system device for detection

The utility model discloses a vapor recovery system device for detection, including supporting seat and booster pump, the upper portion fixed mounting of supporting seat has the gas holder, the insideexhaust hole that is equipped with in right side of gas holder, the inlet portion of the right -hand member mouth fixed connection stop valve in exhaust hole, the fixedly connected with of the exportdepartment connecting pipe of stop valve, the lower port of the exhaust portion port fixed connection quadrature tube spare of booster pump, the inside inlet port that is equipped with in left side of gas holder. Through the side's of slipping through the net board, can filter impurity in the air and incline above that, through the felt layer, can filter the dust particle that is mingled with inthe air and incline above that, can make the work of follow -up oil gas filtration waste gas more smooth and easy, to outside pulling arm -tie, the slot is deviate from to the inserted bar, takes outsquare frame in a square sec