【摘要】 对某矿西立风井主扇风机的反风系统进行了技术改造,反风方法由反风道法改为风机叶轮反转法。实际运行结果表明:改造后的反风系统不仅结构简单、操作方便、维修量小,而且工作可靠性和快速反风能力及其经济效益均取得了显著的提高。更多还原

【Abstract】 Reverse ventilator system technical reformation of main ventilator in coal mine has been programmed.The way of reverse ventilator is changed form fan roadway to fan’s impeller.The practice show that reverse ventilator system after reformed is simpler in structure,higher liability and easier fixing,obtained remarkable economic and social efficiency.更多还原