A new-type non-contacting bellow mechanical seal was developed for residual oil pumps in refineries through analyzing reasons of frequent failure of contacting bellow mechanical seals.
针对炼油装置渣油泵接触式波纹管机械密封频繁失效,使用寿命短的问题,设计出一种新型非接触式波纹管机械密封,介绍了其结构特征及技术优势。
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。
Through the analysis of the working condition of the cinder pump, rational reform and model change were carried out, based on pipe network and pump characteris The real running efficiency of cinder pumps was enhanced considerably.
通过对渣泵的工况进行分析,在掌握管网特性与水泵特性的基础上对水泵进行合理改造与换型。
Simultaneous Determination of Sulphur,Vanadium and Nickel in Residual Oil by X-ray Fluorescence Spectrometry;
X射线荧光光谱法同时测定渣油中的硫、钒和镍
Development and application of combined gasification technology of residual oil and cracking gas;
渣油与炼厂气共用技术开发及应用
Study and application of boiler FSSS and residual oil programmed control ignition for 200MW unit;
200MW机组锅炉FSSS监控系统及渣油程控点火研究与应用
The study on properties and structure changes of residue during hydrotreating;
渣油在加氢处理中的性质和结构变化规律研究
Suspension Bed Hydrocracking of Atmospheric Residue From Dagang Oil Field;
大港常压渣油悬浮床加氢裂化反应
Development of FZC-24 B type catalyst for residues hydrodemetallization;
FZC-24B型渣油加氢脱金属催化剂的开发
Trouble analysis and improvements on bellow mechanical seal of cracking heater charge pump on high temperture
高温减压渣油泵波纹管机械密封的失效分析与国产化改造
fuel oil priming pump
起动充油泵、起动燃油泵
fuel-oil transfer pump
燃油输送泵，输油泵
Analysis on the Problems of the Slurry Pump in the Ore- dressing Plant and Application of ZJ Slurry Pump
选矿厂渣浆泵存在问题分析及ZJ渣浆泵的应用
lard fruit
【植】猪油果, 油渣果, 油瓜
crackling expeller
油渣螺旋压榨机, 油渣榨干机
control and primary scavenging pump
控制泵和主动回油泵
They are F. O. pumps， L. O. pumps, ballast pumps, fresh water pumps, sea water pumps, and bilge pumps.
它们是燃油泵，润滑油泵，压载水泵，淡水泵，海水泵，和舭部液舱泵等。
Crisp bits of fried pork fat;cracklings.
猪油渣，油渣将猪的肥肉油煎后制成的松脆小片；猪油渣
Calibration fluid for diesel injection pump
GB/T8029-1987柴油机喷油泵校泵油
shaft-driven oil pump
主轴(驱动的)油泵
TO PDC "ABS PUMP" FUSE
ＰＤＣ＂ＡＢＳ油泵＂熔线
Improvement on cooling-air duct of sluicing pump motor in ash pumphouse
灰渣泵房冲洗水泵电动机冷却风路的改进
through-flowline pump-down pro-duction tool
过出油管泵送采油工具
lubricating oil and piston cooling oil pump
润滑油及活塞冷却油泵
Fill the pump reservoir with flui
向泵贮油槽中加注油。
rotary oil pump
回转油真空泵，旋转式油泵
emergency bearing oil pump
紧急备用轴承油泵应急轴承油泵