chain device

This paper introduced a new air door chain device with mechanical drive.

介绍一种可靠的井下通风设施—新型机械传动风门连锁装置,应用该装置可大大提高工作效率和系统可靠性。

It has devised with safety interlocking device and alarm device,ensure the vessel lid can not be open before the high pressure gas let out totally,and aiso ensure the pressure can not be raised before the lid is closed,it is convenient to load and unload.

,它设置的安全连锁装置和报警装置是为确保容器在泄压未尽前不能打开盖,盖未完全闭合前不能升压,使物料装卸方便。