报道了液环式真空泵在煤焦油常减压蒸馏工艺中的应用.介绍了真空泵的分类,真空泵的选型,真空系统及其控制参数,重点讨论了在生产运行过程中影响真空度的因素和处理办法,并结合生产实际就技术改进提出了合理化建议.%Application of liquid ring vacuum pumps in the atmospheric and vacuum distillation of coal tar in our company was introduced.Classification of vacuum pumps was also introduced as well as selection of vacuum pumps in our plant,determination of the vacuum system process and control parameters of the process.Influence factors of vacuum degree in production were discussed as well as treatment measures,and then rational suggestions for the technical improvement were put forward according to the actual production.
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