我车间原有旧点头炉是从别厂废弃不用检回来修补后作化铁使用,长期以来耗焦大、加硅量多、铁水温度低、铸件质量差,为改变这种落后状况,工人们决心对它进行改革,现将情况介绍如下:该点头炉进风口是直入式单风口(见图6,),进入炉膛的风口直径φ120毫米,风口位置与出铁口相对称,出铁水时要人工 In my workshop, the original old nodding furnace was used after being scrapped from other factories without being checked back and used as ironizing iron. For a long time, it had to consume a large amount of silicon, increase the amount of silicon, lower the temperature of the molten iron, and poor the quality of castings. To change this backwardness, Determined to reform it, the situation is as follows: The noddle air inlet is straight into the single-outlet (see Figure 6), into the furnace outlet diameter φ120 mm, the outlet position and taphole symmetrical, hot metal out when Artificial