Uring the first time commissioning of an imported large-scale chemical fertilizer plant the bottom tray of CO_2 re-generator was seriously curved wherein nearly half of the lock bolts connected with the support ring were pulled away from it .

某引进大型化肥装置中CO＿2再生 塔在初次开车过程中，其底部 塔盘发生了严重的挠曲破坏，紧固在 支承 环上的钩头螺栓，有一半被拉脱。