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我国50年代建成投产的鞍钢、包钢、武钢和上钢等ΠBP型侧喷式焦炉,其基础是由钢筋混凝土顶板、底板组成,没有地下室。分烟道两侧是高炉煤气管沟。这些焦炉经过30年左右的使用,已经达到了一代炉龄,必须进行大修改造。鞍钢从1982年3月开始对化工总厂的4座ΠBP型焦炉分期进行了大修改造。对在高温状态下使用了近30年的焦炉基础和
The BP type side-injection coke ovens such as Angang, Baotou Steel, Wuhan Iron and Steel Co., Ltd., which were completed and put into operation in the 1950s in China, are based on reinforced concrete roofs and floors, and have no basement. On both sides of the flue is a blast furnace gas trench. After 30 years of use, these coke ovens have reached the age of one generation and must undergo major modifications. In March 1982, Anshan Iron & Steel began to renovate the four BP-type coke ovens of the Chemical Plant in stages. For coke ovens that have been used for nearly 30 years at high temperatures and