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我国有很大一部分矿井都是多风机联合通风。联合通风由于存在着风机之间彼此联系、相互干扰的问题,使它的管理工作较之单机通风来说要复杂得多。如果对其管理不当,矿井的正常通风就难以保证,轻则引起风量变化,重则会使风流停滞或反向,严重地影响着安全生产。 多台扇风机联合运转时,风机的工作方式一般有两种,即:抽出式和压入式。抽出式通风的矿井,多台风机联合工作的公共段井巷是很短的,往往只是井筒部分,因而这类矿井风机联合运转的稳定性问题比较简
A large part of our country’s mines are all multi-fan combined ventilation. Joint Ventilation Because of the interconnectedness and mutual interference between fans, it is far more complex to manage than single ventilation. If it is not properly managed, it is difficult to guarantee the normal ventilation of the mine, causing the air volume to change slightly, while the wind will stagnate or reverse, which will seriously affect safety in production. When multiple fans are operated in combination, there are generally two types of fan operation, that is, pull-out and press-in. Extractive ventilation mine, multi-fan joint work of the public section of the roadway is very short, often only part of the wellbore, and therefore the stability of such coal mine fan operation is relatively simple