1985年试验成功了一种高炉开炉新工艺。主要效果是: ①确保点火120分钟以内炉渣畅流。第一、二炉铁是合格的低硅炼钢铁。确保不出号外铁。开炉后可以不出[Si]%>1.60%的生铁;②从开炉起至转入正常生产,不用氧气烧铁口,铁口易开,开炉后不用大喷铁口,铁口喷出的渣,焦数量与正常出铁时相近,减轻炉前工的劳动强度;③从开炉至正常生产,过渡迅速、顺利。开炉后48小时起,入炉料的焦炭负荷可加到正常 In 1985 a successful blast furnace opened a new technology. The main effect is: ① to ensure smooth flow of slag within 120 minutes after ignition. The first and second furnaces are qualified low-silicon steel. Make sure that no extra iron is available. After the furnace can not be out of [Si]%> 1.60% of pig iron; ② from the furnace until the transfer to normal production, without oxygen burning iron mouth, iron mouth easy to open, open the furnace without a large spray iron mouth, Out of the slag, the amount of coke and the normal iron when similar, to reduce the labor intensity of the furnace workers; ③ from the furnace to normal production, the transition quickly and smoothly. 48 hours after opening, into the charge of coke load can be added to normal