Gas well pumping and raining device

The utility model relates to a gas well pumping and draining device, comprising a pumping blowout prevention box, a drainage port, an annular blowout preventer, a blowout preventing pipe, a pressure release gate, a cut gate blowout preventer, a hydraulic control desk and a gas recovery tree, wherein the cut gate blowout preventer is mounted between two total valves, the blowout preventing pipe, the annular blowout preventer and the drainage port are connected with an upper end of a paraffin removal gate in turn, the drainage port is connected with the pumping blowout prevention box, the pressure release gate is mounted on the blowout preventing pipe, the hydraulic control desk is connected with the annular blowout preventer and the cut gate blowout preventer by a high voltage pipe line. The drainage effect is good, the cost is low, the construction operation safety is ensured and the blowout is prevented from being out of control during the pumping process. The defects of the existing foam rod drainage techno