这样两个动作使管道上阀板始终有一个是关闭状态，可使卸灰与锁气同时达到目的。
The two actions can maintain closed state of either disc in pipe. So it can discharge and lock air at the same time.
重锤锁气翻板卸灰阀主要由阀体、阀板、阀轴、摇杆、重锤等零件组成，利用力矩平衡的方法实现锁气卸灰。
The valve is mainly made up of body, disc, axle, rocker and heavy hammer etc. It realizes discharging and air locking using trimming moment.
锁气翻板卸灰阀为上下交替开闭，自动复位机构。
Air lock and dust discharge valve open or close in turn up and down.
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