Integrated reflux tower

The utility model relates to an integrated reflux tower which comprises a reflux tower body, a supporting plate is fixed on the outer side of the reflux tower body, the bottom end of the reflux tower body is communicated with a gas inlet cylinder, the bottom end of the gas inlet cylinder is communicated with a gas inlet pipe, the upper surface of the gas inlet pipe is provided with a gas flow rate detector, and an adjusting mechanism is arranged above the gas inlet pipe. A driving mechanism is arranged above the air inlet pipe, the adjusting mechanism comprises two vertical plates fixed to the upper surface of the air inlet pipe, two sliding rods are fixed between the opposite sides of the two vertical plates, and the outer sides of the two sliding rods are slidably connected with the same toothed plate. According to the integrated reflux tower, when the toothed plate moves left and right, the connecting rod is used for driving the adjusting disc to start to rotate in the gas inlet pipe, the flow rate of gas