一、前言1978年6月至1979年9月的一年多时间里,我厂相继有六座高炉进行了中修,其详细情况见表1。停炉时通常采用控料线、炉顶打水法。开炉前将炉缸铁口水平面以上的焦炭清理干净,在清理面上及炉缸四周环形碳砖的表面上砌上一层耐火砖保护 I. Preface From June 1978 to September 1979, more than one year’s time, six blast furnaces of our factory have undergone major repair. The details are shown in Table 1. Shut down the furnace is usually used when the control line, the top of the water law. Open the furnace before the furnace iron level above coke clean up clean the surface and the hearth around the annular carbon brick brick masonry on the surface protection