酸性水回收装置运行中的问题及解决措施

来源 :第十一届全国硝酸硝酸盐技术交流会 | 被引量 : 0次 | 上传用户：l100890628

【摘要】

：

本文对酸性水回收装置进行了介绍,分析了塔釜液浓度低、硝酸镁结晶堵塞等问题的原因,提出了重新修订工艺指标，硝镁蒸发器负压指标范围修订为-60~-80KPa硝镁蒸发器投用时采用两步提压法，即先将蒸发器负压提升至-50KPa，运行8小时后再进一步提升负压至-60-80KPa。(3)浓缩塔切换时关注稀镁槽和浓镁槽液位，液位异常下降时检查蒸发器。(4)开停车过程中，控制回收塔塔顶采出量在1m3/h，回收塔内

【作者】

：

王安晖苏永全

【机构】

：

中国石油兰州石化公司化肥厂硝酸车间

【出处】

：

第十一届全国硝酸硝酸盐技术交流会

【发表日期】

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2017年12期

【关键词】

：

硝酸生产酸性水回收装置设备改造参数优化

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酸性水回收装置运行中的问题及解决措施

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