A.4.00% B.4.60% C.4.86% D.5.26%
A.4.60% B.4.82% C.5.04% D.5.12%
A.破裂的那路過熱蒸汽爐管進出加熱爐的閥門關(guān)閉,改放空,用適量蒸汽保護爐管 B.適當增加蒸汽發(fā)汽量,確保汽包壓力 C.停爐后檢查并更換泄漏的過熱蒸汽爐管 D.適當減少蒸汽發(fā)汽量,確保汽包不超壓