炼铁厂的高炉风口烧损是一个严重问题,据计算,每换一个风口要减少生铁产量40吨左右;损失4000余元。为了解决这一问题,本公司炼铁厂工程师室的同志和老工人一起,想了许多办法,目前已制成了一个四管双层风口,并于去年装于高炉上试验,试验情况证明效果很好,小端 Blast furnace blast furnace outlet is a serious problem, it is calculated, for each change of a tuyere to reduce the output of about 40 tons of pig iron; loss of 4,000 yuan. In order to solve this problem, the comrades of the Company’s Iron Works Engineer’s Office, together with the old workers, have come up with many solutions. At present, a four-tube double tuyere has been made and tested on blast furnaces last year. The test results prove that the effect Very good, small end