我矿回风井主扇系统的技术改造

TECHNICAL MODIFICATION OF MAIN FAN SYSTEM FOR UPCAST SHAFT IN XINQIAO TROILITE MINE

针对老民机受腐蚀,效率延,故障多,不能正常运转,影响矿井通风和生产,提出并实施了在回风井口地在井场增设一台新主扇的改造方案,自成系统并和老风机互为备用,从根本上改善了矿井的通风条件.

Aiming at corrosion,low efficiency, more troubles, irregular running of the old fan, further influencing the ventilation and operation of mine, the author puts forward and implements a modification plan, i. e, a set of new main fan was added on the surface site of upcast shaft collar, which composited by itself into system and was alternatively used with old fan each other Essentially, this technical modification made the ventilating condition of mine to be improved.