Piece -rate system of raw gas

The utility model discloses a piece -rate system of raw gas, including the tower body, be connected with the outlet duct at the tower body top, thick gas inlet is equipped with in the lower part, and the burnt oil pipe of the row of being connected with in the bottom connects first tar shower on upper portion, be connected with on the first tar shower to stretch into the inside first tar shower nozzle that is located the below of the air inlet of outlet duct of tower body, at tower body middle part connection second tar shower, be connected with on the second tar shower and stretch into the inside second tar shower nozzle of tower body, second tar shower nozzle is located the below of first tar shower nozzle, the length at first tar shower nozzle to tower body top is the 110 -29 of tower body total length, the length at second tar shower nozzle to tower body top is the 12 -23 of tower body total length, thick gas inlet is the 23 -45 of tower body total length to the length at tower body top. The problem of oil -gas separation device structure among the prior art complicated, it is not good, with high costs with the tar effect to remove the dust, maintenance inconvenience is solved.