Pneumatic choke manifold control box

The utility model relates to a pneumatic choke manifold control box, including switching -over valve, oil tank, valve position instrument, riser manometer, casing pressure table, pump towards counter, air powered pump, handlance, pneumatic triple piece, overflow valve, choke valve, riser pressure transmitter, sleeve pipe pressure transmitter, displacement sensor, magnetic switch, energy storage ware, first transfer line, first clock signal, second signal line, third signal line, fourth signal line, the switching -over valve is connected with the choke valve switch department of surging through first transfer line for remote control surge choke valve switch and aperture. Through remote control the opening and closing of choke valve of surging to can demonstrate riser, casing pressure and the surge valve position of choke valve, the discharge capacity of slush pump on the control box, maintain bottom pressure from this, reach control throttle and kill -job effect. 本实用新型涉及气动节流管汇控制箱，包括换向阀、油箱、阀位仪表、立管压力表、套管压力表、泵冲计数