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停车检修时放掉塔板内的酸。因为有遗留堰，所以塔板内有一定高度的酸
楼上高手！ 看过里面的结构就比较容易理解了。
DN25的管如果没有直接连接在塔上，而是与塔节法兰位置很紧，连着保护罩的话，是为了引走塔节微量泄露的氯气的，一般连着风机。 塔板上的硫酸常规设计是通过板上的预留孔排的，正常运行时有个比溢流堰高的杆拧上堵着。
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