2) hydrovisbreaking
临氢降凝
1.
Hydrofining-hydrovisbreaking combined process has been adopted in the 5 000 b/d oil refining unit of Hangzhou Refinery and the hydrofining catalyst and hydrovisbreaking catalyst have been sectionally loaded in a single reactor to process inferior coker gasoline and gas oil.
杭州炼油厂 2 5 0kt/a油品精制装置采用加氢精制 /临氢降凝组合工艺 ,在同一台反应器中分段装填精制和降凝催化剂 ,加工劣质汽油、柴油 ,操作弹性大 ,拓宽了柴油加氢精制的原料来源 ,大大提高了低凝柴油收率 ,且产品颜色浅、硫含量低、氧化安定性好。
2.
The feasibility of hydrotreating-hydrovisbreaking combination process and its technical application were introduced.
介绍了加氢精制临氢降凝组合工艺开发的可行性及工业应用情况,两个周期的运行结果表明,以催化裂化轻柴油为原料生产-35#低凝柴油组分,具有反应条件缓和、柴油收率高、催化剂再生周期长的优点;通过调和可解决柴油十六烷值低的问题;3881催化剂再生性能较好,催化剂再生后活性基本恢复到原有水平。
3.
Technical features of design and running of a new type of hydrofining-hydrovisbreaking unit in Yongping Refinery designed by LPEC are introduced.
介绍了由洛阳石油化工工程公司设计的延长油矿管理局永坪炼油厂新型加氢精制 临氢降凝装置的设计概况、主要技术特点及运行情况。
3) hydrodewaxing
临氢降凝
1.
Development and Application of FDW-3 Hydrodewaxing Catalyst;
FDW-3临氢降凝催化剂开发及应用
2.
Simulation of Hydrodewaxing Reactor by Stochastic Method;
临氢降凝反应器的模拟计算
3.
On the basis of compositional characteristic and product demand of naphthenic base crude oil, a series of lube oil hydroprocessing technologies were developed successively by RIPP, such as hydro-deacid, medium pressure hydrotreating, hydrodewaxing and high-pressure hydrotreating.
中国石化石油化工科学研究院针对环烷基原油的组成特点与产品需求,先后开发出加氢脱酸、中压加氢处理、临氢降凝等加氢工艺直到高压全氢型流程,并开发出相应的系列专用催化剂,先后应用于工业装置,开发出高质量环烷基润滑油产品与优质光亮油等产品,质量、收率均优于传统流程,取得了良好的经济效益,为今后加工国内外环烷基原油积累了经验。
4) hydrodefreezing
临氢降凝
1.
Based on the original medium pressure hydrofining plant process flow, the hydrofining/hydrodefreezing combined process is developed with the collaborating of Fushun Petrochemical Research Institute.
哈尔滨石化分公司利用原中压加氢改质装置的工艺流程,与抚顺石化研究院合作开发了加氢精制/临氢降凝组合工艺。
2.
Summarizes various application of hydrodefreezing plant in Shengli Refinery and its development, analyzes problems existed in the production of low cold test diesel and lubricant baseoil, and presents solutions.
总结了胜利炼油厂临氢降凝工业装置的多种应用及其发展情况。
3.
The article summarizes the basic principle of hydrodefreezing technology,probes into the technical characteristics of hydrodefreezing and analyzes the economic benefit of hydrodefreezing process with some examples.
简述了临氢降凝技术的基本原理,探讨了临氢降凝工艺的技术特点,并举例分析了临氢降凝工艺的经济效益。
5) critical gradient
临界坡降
1.
Study of critical gradient of piping for various grain sizes in sandy gravels
砂砾土各级颗粒的管涌临界坡降研究
2.
According to the flume tests and basic theovetical analysis, several important formulas describing nonuniform muddy flow transportation,such as nondepositing velocity,critical gradient and ditch phase factors are deduced.
在此基础上考虑推移部分影响,推导得出非均质泥流的不淤流速、临界坡降、沟道断面形态指标等重要的输移临界参数计算公式。
3.
A brief analysis is carried out on the resulting conditions of sand gravel seepage deformation, on this basis, the modes of seepage deformation are assessed briefly and the calculation method of critical gradient for seepage deformation is presented.
对砂卵砾石的渗透变形的形成条件进行了简要分析 ,在此基础上对渗透变形的形式进行了简要评价 ,并提出了渗透变形临界坡降的计算方法。
6) experience of befalling
降临经验
补充资料：降临
【降临】
（术语）佛菩萨来临也。安像三昧仪轨经曰：“如来贤圣，降临随喜，成就功德。”
（术语）佛菩萨来临也。安像三昧仪轨经曰：“如来贤圣，降临随喜，成就功德。”
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