循环氢

重油加氢装置循环氢的提浓方案分析

Analysis on purification options for recycle hydrogen in residue hydrotreating unit

变频调速技术在循环氢压缩机组中的应用

Application of variable frequency speed regulation technology on recycle hydrogen compressor

考察了反应温度、氢分区、空速、氢油比等工艺参数以及原料油性质和循环氢中H2S浓度等操作条件对深度脱硫、脱芳烃效果的影响。

The effects of the processing parameters on the degrees of desulfurization and aromatics reduction were investigated .

封闭循环氢还原温度为650℃，得到的MoCu复合粉粒径小于100nm。

The even Mo-Cu composite powders with particle size less than 100 nm are prepared by closed circulation hydrogen reduction from Mo-Cu compound at 650 ℃ .

化学共沉淀-封闭循环氢还原法制备纳米Mo-Cu复合粉

Preparation of Nanocrystal Mo-Cu composite powders by Chemical Coprecipitation - Closed Circulation Hydrogen Reduction

考察了循环氢中硫化氢含量对催化裂化汽油重馏分（HCN）加氢脱硫性能的影响和HCN加氢产物的无碱脱臭处理效果。

The influence of hydrogen sulfide content in recycle hydrogen on the hydrodesulfurization ( HDS ) of heavy cracked naphtha ( HCN ) and the performance of sweetening process were studied .

通过系统内的特殊装置除水，降低了还原温度和湿度，用封闭循环氢还原法还原MoO3，在650℃下得到了Mo粉，其粒径在40～80nm之间，纯度为99.62%。

The lower temperature can be reached by the special water removing device . The uniform nano Mo powders are prepared by seal circulation hydrogen reducing MoO 3 powders at 650 ℃ . The Mo particle size is 40 ~ 80 nm .

循环氢油洗在润滑油加氢处理装置上的应用

Application of circulating hydrogen oil washing in lube oil hydroprocessing unit

循环氢压缩机中浮环密封的分析与改造

Analysis and Improvement for Floating Seal Ring in Cyclic Hydrogen Compressor

提高加氢裂化装置循环氢纯度方法的探讨

Measures for increasing the purity of recycle hydrogen of hydrocracking unit

连续重整循环氢压缩机密封改造

Sealing transforming of recycle hydrogen compressor used in continuous reformer

封闭循环氢还原法制备纳米钨粉

Preparation of Nanocrystal W Powders by Seal Circulation Hydrogen Reducing

循环氢压缩机防喘振控制设计分析

Analysis of Design on Anti-surge Control of Circulation Hydrogen Compressor

进口重整循环氢压缩机配套设施的改进

Improvement of corollary equipments for import reforming recycle hydrogen compressor

加氢裂化循环氢压缩机干气密封使用及维护

Application of Dry Gas Seal in Hydrocracker Recycle Gas Compressor and Maintenance

加氢循环氢压缩机干气密封系统的改造冰箱压缩机的计算机辅助测试

The Remark of Non-contact Gas Lubricated Seal System in Hydro-cracking Recycle Compressor

循环氢压缩机轴封和油系统的改造

Shaft seal of circulating hydrogen compressor and reconstruction of the oil system

T形槽干气密封在循环氢压缩机中的应用

Application of T - shaped trough dry-gas sealing to cycle hydrogen compressor

循环氢压缩机组主汽轮机轴失效分析

Failure analysis of turbine axes of a circulatory hydrogen compressor

加氢精制循环氢压缩机排气量变化分析

Variations analysis on discharge quantity of hydrofining circulating hydrogen compressor

重整循环氢压缩机操作优化分析

The optimization analysis on operation of reformed recycle hydrogen compressor

循环氢压缩机的轴封改造

The reformation of bearing seal for recycle hydrogen compressor

镇海加氢裂化装置循环氢压缩机组改造

Revamping of recycled hydrogen compressor for Zhenhai hydrocracking unit

加氢装置对新氢、循环氢的需求；

The demand of make-up hydrogen , recycle hydrogen ;

循环氢压缩机的选型分析

Analysis on type selection of recycle hydrogen compressor

重整装置循环氢压缩机及增压机组选型及控制分析

Selection of recycle gas compressor and pressure booster for catalytic reformer and control analysis

影响循环氢压缩机长周期运行因素分析

Analysis on effect factor of long period operation for recycle hydrogen compres - sor

循环氢压缩机扩容的可行性研究

Study on the Feasibility of Circulation-hydrogenation Compressor Expansion

柴油加氢装置循环氢压缩机振动故障原因分析

Analysis on the Reason of Vibration Fault in Circulating Hydrogen Compressor of Diesel Hydrotreating Unit

循环氢离心压缩机轴端密封改造

Seal Reconstruction of Hydrogen Centrifugal Compressor