1) deep vacuum column
深减压塔
1.
Four- column process flow ( prefractionator, atmospheric column, primary vacuum column, and deep vacuum column) for capacity expansion revamping of the atmospheric and vacuum distillation unit is proposed , and the advantages, matters for attention as well as the engineering implementation in atmospheric and vacuum distillation unit revamping are expounded.
提出了适用于常减压蒸馏装置大幅度扩容改造的四塔(初馏塔、常压塔、浅减压塔、深减压塔)流程。
2) vacuum tower
减压塔
1.
Application of regular packing in vacuum tower;
规整填料在减压塔的应用
2.
Improving column internals to raise vacuum tower capacity and upgrade product quality
改进塔内件提升减压塔处理能力及产品质量
3.
Research of chain-control-system to vacuum tower in distillation and vacuum unit
常减压装置减压塔的链控制系统研究
3) vacuum distillation tower
减压塔
1.
On-spec diesel is produced at 1st side-draw of the vacuum distillation tower and the light oil yield is increased.
介绍了常减压蒸馏(I)装置减压塔技术改造的内容,将改造前后减压塔操作情况进行了对比,解决了改造前存在的塔顶温度高、塔内压降大和中段回流温度高等问题,并在减一线生产出合格的柴油,提高了装置的轻油收率,达到了减压塔改造的预期目的。
2.
The detection and inspection methods and necessity for safety analysis of vacuum distillation tower were introduced with respect to typical defects and problems commonly existing on vacuum distillation tower for crude oil unit and in combination with specific examples.
针对常减压装置减压塔普遍存在的典型缺陷和问题,结合具体实例介绍对减压塔进行检验检测和安全性分析的必要性。
3.
The excessive naphthenic acid corrosion of the vacuum distillation tower was introduced.
介绍了减压塔受环烷酸腐蚀的严重程度 ,探讨了腐蚀机理和应用 316L不锈钢抗腐蚀的效果。
4) primary vacuum column
浅减压塔
1.
Four- column process flow ( prefractionator, atmospheric column, primary vacuum column, and deep vacuum column) for capacity expansion revamping of the atmospheric and vacuum distillation unit is proposed , and the advantages, matters for attention as well as the engineering implementation in atmospheric and vacuum distillation unit revamping are expounded.
提出了适用于常减压蒸馏装置大幅度扩容改造的四塔(初馏塔、常压塔、浅减压塔、深减压塔)流程。
5) vacuum column
减压塔
1.
The complex bed technology and new structured packing Chaopak have been used in the expansion revamping of vacuum column of atmospheric and vacuum distillation unit.
将复合床层技术和新型规整填料Chaopak用于常减压蒸馏装置减压塔的扩能改造。
2.
The vacuum column with the diameter of 10 000 mm of atmospheric and vacuum distillation unit in Luoyang Company had not been put into use before 2002 since it was built.
洛阳分公司常减压蒸馏装置10 0 0 0mm的减压塔建成后未投用 ,2 0 0 2年经过对减压系统采取恢复改造、试运行、再改造等措施 ,达到了高拔出率、炼油加工系统低能耗的目的 ,实现了低负荷平稳运行。
3.
The main function of fuel-type vacuum column is to provide material for catalytic cracking or hydrocracking.
燃料型减压塔的主要任务是为催化裂化或加氢裂化提供裂化原料，基本要求是在尽量避免油料发生分解反应的条件下尽可能多地拔出减压馏分油，目的是最大限度地提高经济效益。
6) deep vacuum distillation
减压深拔
1.
A new deep vacuum distillation process applying direct-contact heat transfer was recommended after analyzing the process feature and research trend of fuel-type vacuum tower.
结合燃料型减压蒸馏的工艺流程特点及其研究动态,把直接接触式传热技术应用于减压塔,提出一种新的减压深拔工艺,并用化工模拟软件AspenPlus对新流程和常规流程进行了模拟计算与对比分析。
补充资料：热深厥深
热深厥深 热深厥深 病证名。指热厥证的征象。指邪热越深入，四肢厥冷的症状越严重，皆因阳气被遏，邪气内闭所致。属真热假寒证。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条