马达式多回转阀门气动执行机构在炼化装置的应用

The Motor type multi turn valve actuator in refining device application

针对炼化装置大口径闸阀的操作问题,结合常见的执行机构特点,对比电液、电动、气动执行机构的优缺点,重点了介绍马达式多回转气动执行机构的原理、结构、控制方式,其利用压缩空气为动力,安全可靠,结构紧凑,操作简单方便,减少了劳动强度的同时保证装置的安全生产。

With reifning device of large diameter valves operating problems, combined with a variety of actuator principle, elaborated electric actuators, electro-hydraulic actuator, pneumatic actuating mechanism, advantages and disadvantages, emphatically introduced the motor type multi turn valve actuator principle, structure, control method, which uses compressed air as power, security reliable, compact structure, simple and convenient operation, reducing the labor intensity of workers and ensure the safe production of the device.