鍋爐可用率=[(運(yùn)行總小時(shí)數(shù)+備用總小時(shí)數(shù))/統(tǒng)計(jì)期間總時(shí)數(shù)]×100%
鍋爐事故率=[事故停用小時(shí)數(shù)/(運(yùn)行小時(shí)數(shù)+事故停用小時(shí)數(shù))]×100%