1) vacuum residue system
减压渣油系统
1.
The vacuum residue system cannot guarantee long term running without fouling due to oil residue.
随着鲁宁原油的性质变差 ,常减压装置的减压渣油系统经常出现结垢堵塞现象影响装置运行。
2) vacuum residue
减压渣油
1.
Multi-dimension separation and composition characterization of Dagang vacuum residue;
大港减压渣油的多层次分离与组成结构研究
2.
Fundamental study on mild thermal cracking of vacuum residue with industrial hydrogen donors;
减压渣油掺炼工业供氢剂缓和热转化的基础研究
3.
Structure features of the supercritical fluid extraction and fraction tailing of Dagang vacuum residue;
大港减压渣油超临界萃取萃余残渣结构特征研究
3) Vacuum residuum
减压渣油
1.
Application of ultrasound in the viscosity reduction of vacuum residuum
超声波在减压渣油降黏中的应用
2.
The two processing schemes of high-sulfur vacuum residuum in SINOPEC Qilu Branch were compared from the viewpoint of techno-economy: one is to produce heavy asphalt through vacuum deep extraction process,the other is to produce light oil products through VRDS-FCC assembled process.
对中国石化齐鲁分公司高硫减压渣油两种生产方案 ,即减压深拔工艺生产重交沥青和VRDS FCC组合工艺生产轻质油品进行技术经济比较。
3.
Several deasphalted oil samples were obtained from vacuum residuum and FCC slurry oil deasphalted at continuous propane deasaphalting pilot equipment.
在反应温度510℃,剂油比Cat Oil=5(催化剂为5g),空速LHSV=15h-1的实验条件下于重油微反装置中对几种脱沥青油的催化裂化性能进行了研究,并与掺兑减压渣油的VGO(减压馏分油)的裂化性能进行了对比。
4) letdown residual oil tank
减压渣油罐
5) residuum pump at the bottom of vacuum tower
减压塔底渣油泵
1.
After analyzing the working characteristics and fault forms of residuum pump at the bottom of vacuum tower of distillation unit, some technical measures are gradually found and used in practice.
分析了减压塔底渣油泵工作特点和故障表现,针对渣油泵的工作特点和频繁出现的故障表现,逐步摸索出一些技术措施并在实际工作中实施。
6) Daqing vacuum residual oil
大庆减压渣油
1.
Considering the high cost for chemical agents and low benefit in alkaline-surfactant-polymer combination flooding process, Daqing vacuum residual oil was selected as the raw material for the preparation of cost-effective oil-displacement surfactant OCS in the laboratory.
针对现有三元复合驱油体系化学剂费用投入大,经济效益差的缺点,以廉价的大庆减压渣油为原料在实验室内合成出廉价的驱油用表面活性剂OCS,并初步评价了所得OCS样品的性能。
补充资料：减压渣油
分子式：
CAS号：
性质： 从减压蒸馏塔底抽出的残渣油。渣油常用制取石油焦、残渣润滑油、石油沥青等产品，或作减黏裂化、催化裂化的原料。也可通过调合作为锅炉燃料油。渣油可通过部分氧化生产合成气或氢气，或作裂解制乙烯的原料。原油减压蒸发塔底油称直馏渣油(straight-run residue)。从热裂化蒸发塔底抽出的重残油称热裂化渣油(thermal cracking residue)。经选择性溶剂抽提脱除沥青的减压渣油称脱沥青渣油或称脱沥青油(deasphalted oil；DAO)。
CAS号：
性质： 从减压蒸馏塔底抽出的残渣油。渣油常用制取石油焦、残渣润滑油、石油沥青等产品，或作减黏裂化、催化裂化的原料。也可通过调合作为锅炉燃料油。渣油可通过部分氧化生产合成气或氢气，或作裂解制乙烯的原料。原油减压蒸发塔底油称直馏渣油(straight-run residue)。从热裂化蒸发塔底抽出的重残油称热裂化渣油(thermal cracking residue)。经选择性溶剂抽提脱除沥青的减压渣油称脱沥青渣油或称脱沥青油(deasphalted oil；DAO)。
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