一、前言1978年夏开始在试验室里进行两板两楔组装法的试验研究,1980年首先在鞍钢Zx11.4铁壳帽上进行了两板两楔法试生产,效果良好,转角部位不易渗入钢水。于是,1981年又将 Fx7.1模子的绝热板板型由四板插挤组装法改为两板两楔组装法。1982年春在 Zx13.1铁壳帽上亦采用了两板两楔组装法。鞍钢目前在大生产中全部采用两板两楔组装绝热板。 I. Introduction In the summer of 1978, experimental research on the assembly of two plates and two wedges was carried out in the summer of 1978. Trial production of two plates and two wedges was first carried out on the Zx11.4 steel cap in Anshan Iron and Steel Co., Ltd. in 1980 with good effect and the corner parts were not easy Infiltration of molten steel. Thus, in 1981 and Fx7.1 mold insulation board from the four-pin extrusion assembly method into two plates two wedge assembly method. The spring of 1982 in the Zx13.1 iron cap also used two plates and two wedge assembly method. Anshan Iron and Steel in the current production of all the two panels with two wedge assembly insulation board.