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吸收塔建立压差顺序正确的是(1)关闭去E31009、D31006的喷水阀,启动一台工艺水泵P31003,并全开出口阀,调整FIC-31008的流量为8m3/h左右。(2)吸收塔压差到45KPa左右,或吸收塔底部液位开始上涨时,关闭第8、16、26层塔板的加酸阀,停开工酸泵P31005,将吸收塔顶加水减至4m3/h左右,防止尾气出现黄烟。(3)启动开工酸泵P31005,向吸收塔第8、16、26层塔板加开工酸各为15-20m3/h。(4)当吸收塔压差稳定在52±4KPa左右,压差建好,吸收塔液位上涨,开LV-31008向漂白塔送液,控制吸收塔液位在50%左右。
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