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一、高位油箱系統(tǒng)作用
高位油箱系統(tǒng)是機組安全保護(hù)的設(shè)施之一，汽輪機的正常供油是由主油泵承擔(dān)的，機組正常運行時，潤滑油由底部進(jìn)入，而由頂部溢流口排出直接回油箱，一旦發(fā)生停電停機故障，輔助油泵又不能及時啟動供油，但此時汽輪機由于其慣性仍在旋轉(zhuǎn)，引起軸承缺油而燒瓦。為避免此類事故的發(fā)生，則高位油箱的潤滑油，將沿進(jìn)油管路，流經(jīng)各軸承后返回主油箱，確保機組惰走過程中對潤滑油的需要，保證機組安全停車。多余的潤滑油從主油箱溢流至副油箱，副油箱油位升高至一定高度時，啟動油泵輸送至高位油箱。
一、高位油箱系統(tǒng)作用
高位油箱系統(tǒng)是機組安全保護(hù)的設(shè)施之一，汽輪機的正常供油是由主油泵承擔(dān)的，機組正常運行時，潤滑油由底部進(jìn)入，而由頂部溢流口排出直接回油箱，一旦發(fā)生停電停機故障，輔助油泵又不能及時啟動供油，但此時汽輪機由于其慣性仍在旋轉(zhuǎn)，引起軸承缺油而燒瓦。為避免此類事故的發(fā)生，則高位油箱的潤滑油，將沿進(jìn)油管路，流經(jīng)各軸承后返回主油箱，確保機組惰走過程中對潤滑油的需要，保證機組安全停車。多余的潤滑油從主油箱溢流至副油箱，副油箱油位升高至一定高度時，啟動油泵輸送至高位油箱。
