This paper anaIysed the reasons at edge-turnup cracking of industrial boiler steel pipe by means of chemical analysis and metallographic examination. 采用化學(xué)分析和金相檢驗等方法對工業(yè)鍋爐煙管扳邊開(kāi)裂原因進(jìn)行了分析。
The electric boiler, which has no any smoke and harmful gas effluence, is a fundamental measure for solving the smoke pollution caused by industrial boilers. 電熱鍋爐沒(méi)有任何煙塵及有害氣體排放，是解決工業(yè)鍋爐煤煙型污染的根本措施。
