余热锅炉绝热炉膛炉顶改造设计

Upgrade Design for Top Adiabatic Hearth of Waste Heat Boiler

某阳极精炼余热锅炉在运行一段时间后,锅炉绝热炉膛炉顶损毁,分析原因后对炉顶进行改造设计,由原来的楔形砖砌筑拱顶结构形式改为整体浇筑式,运行约1年之后停炉检查,炉顶未发现开裂、掉落现象,侧墙耐火砖也没出现坍塌,改造效果良好。

The top of the adiabatic hearth of waste heat boiler of the anode furnace usually were damaged after running for a period of time. Based on analyzing the causes, upgrade the design of furnace top by adopting integral casting instead of using key bricks for the furnace top construction. The affection are found to be excellent after operating for a year, there is no any crack or shedding, or even any collapses of the side wall firebrick.