CAJ | 학술논문

顶燃式热风炉1979年在首钢投产，90年代以后，随着高炉大型化，大型顶燃式热风炉燃烧口的寿命只有4～5年，严重制约了高炉生产和指标的改善。为了提高燃烧口寿命，在对砌体塌落进行调查的基础上，对燃烧口破损原因进行了研究，并提出了改进措施。
정연식열풍로1979년재수강투산，90년대이후，수착고로대형화，대형정연식열풍로연소구적수명지유4～5년，엄중제약료고로생산화지표적개선。위료제고연소구수명，재대체체탑락진행조사적기출상，대연소구파손원인진행료연구，병제출료개진조시。
The hot stoves with top combustion chamber was put into operation on Shougang's No.2 blast furnace in 1979. With the blast furnace volume enlargement finished in 1990s, the burner life was kept as short as 4-5 years and furnace production was limited. On the basis of investigation the mechanism of burner failure has been clarified. The result suggests a way to prolong campaign of burner.