介绍了国内第一套氨汽提尿素装置关键设备汽提塔的运行、倒头及垢层物理清洗情况。
The operation, overturn and physical cleaning of the stripper-key equipment in the first ammonia stripper urea construction in China were introduced in this article.
介绍氨汽提尿素工艺在海南化肥厂的应用,以及试生产过程中存在的问题及采取的改进措施。
This paper presents the application of ammonia stripping urea process in Hainan Natural Gas Chemical Fertilizer Plant, problems during commissioning run and the improvement measures to be taken.
介绍了自密封阀在氨汽提尿素装置中的应用情况,对其泄漏原因进行了分析;并提出了具体维修方案。
The service of the self-sealed valve in Urea Plant with ammonia technic was introduced, and the cause of the seal leakage was analyzed, the solution of local maintenance was pointed out.
介绍氨汽提尿素装置中使用降膜式真空预浓缩器回收余热的情况和使用过程中遇到的问题及解决措施、经济效益。
This paper presents the application of down-film vacuum preconcentrator for heat recovery, puts forward the problems and measures against them during the application.
炼油厂合硫污水经汽提获得的粗氨经常规的氨精制工序达不到化工用氨的要求。
The conventional sulfur removal process for desulfurizing crude ammonia from wastewater stripping can not meet the demand of chemically clean ammonia.
指出提高液氨质量的主要途径为优化汽提操作及改造气氨精制系统。
The results showed that the main ways of improving quality were optimizing the operation parameters of stripper and reconstructing the purified system of vapor-ammonia.
将炼油二次加工过程中产生的含硫含氨污水经汽提脱硫脱氨后得到的净化水,代替原来使用的除盐水用于原油电脱盐装置和催化装置富气注水。
The treated water from waste liquid produced in second-process of refining oil can be used on electric desalt unit and FCC 'waste gas washing process.
将炼油二次加工过程中产生的含硫含氨污水经汽提脱硫脱氨后得到的净化水,代替原来使用的除盐水用于原油电脱盐装置和催化装置富气注水。
The treated water from waste liquid produced in second-process of refining oil can be used on electric desalt unit and FCC 'waste gas washing process.
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