石油炼制设备防腐措施探讨

在对石油炼制设备防腐蚀的重要意义进行论述的基础上,分别从内因和外因两个方面探讨了石油炼制设备腐蚀类型及成因。以此为基础,提出了石油炼制设备防腐蚀的相关技术措施,对降低石油炼制设备腐蚀程度,减少腐蚀危害具有一定的参考价值。     

Performance and Commercial Application of the Promoter LCC-A for Maximization of Propylene Yield

1 Introduction Propylene as an important feedstock for organic chemicals is mainly originated from steam cracking and catalytic cracking processes. During the FCC process the propylene content varies with the FCC catalyst and process technology adopted, resulting in significant difference in propylene concentration in the cracked product——LPG. The conventional FCC pro- cess generally gives a propylene yield of around 4%, while the FCC process with maximization of propylene yield can in…     

我国炼油石化产业应对石油短缺时代的科技对策思考

分析了我国石油消费的增长趋势和石油的增产潜力，指出持续增长的需求和相对稳定的产量使我国对国际石油的依存度越来越高。综合了国际能源机构、能源经济学家和石油地质学家对世界石油供应前景的预测结果，认为世界石油短缺的时代并不遥远。提出了我国炼油石化产业应对世界石油供应短缺时代的科技对策：（I）抓紧开发和完善充分利用石油资源生产运输燃料和石化原料技术；（2）开发用煤炭、石油焦、沥青制氢和炼油过程耦合的廉价氢源技术和用氢优化技术；（3）开发炼油石化过程节能降耗技术；（4）开发天然气及煤制油、甲醇制乙烯、丙烯技术；（5）开发利用生物质生产车用替代燃料、生物材料和生物化学品技术。     

4M25往复式压缩机管线振动分析及整改

介绍炼油事业部1000kt／a加氢精制装置4M25往复式氢气压缩机管线振动原因，针对管线振动原因进行了分析及做了j应的整改加固，使管线振动情况明显改善，并由此对往复机选用时应注意管线的声学模拟报告提出建议。     

Skeletal Isomerization and Inter—molecular Hydrogen Transfer Reactions in Catalytic Cracking

Bimolecular hydrogen transfer and skeletal isomerization the important secondary reac-tions among catalytic cracking reactions,which affect product yield distribution and product quality,Catalyst properties and operating parameters have great impact on bimolecular hydrogen transfer and skeletal isomerization reactions .Bimolecular hydrogen transfer activity and skeletal isomrization activity of USY-containing catalysts are higher thn that of ZSM-5-containing catalyst.Coke deposition on the active sites of catalyst may suppress bimolecular hydrogen transfer activity and skeletal isomer-ization activity of catlys in different degrees.Short raction time causes a decrease of hydrogen trans-fer reaction,but and increase of skeletal isomerization reaction compared to cracking reaction in catalytic cracking process.     

浅析我厂催化裂化PIC5再生压力控制

结合该厂催化裂化于压力控制不稳的情况，采取改进措施，通过软件编制能实现硬件难以实现的功能，此外，对该控制回路提高了建议。     

Development and Commercial Application of a Novel Catalyst DVR—1 for Catalytic Cracking of Daqing Vacuum Residue

A newly developed catalyst type DVR-1 for catalytic cracking of Daqing vacuum resid was put into use in a commercial VRFCC unit,This catalyst features uniquely active matrix and modified ultra-stable zeolite.The commercial application results show that the DVR-1 type catalyst has the advantage of high heavy oil conversion,good metal tolerance nd gooed stability for catalyst regeneration,The FCC tests have shown Favorable product distribution,acceptable product quality and enormaous economic benefits whe processing the feedstock containin 75%-100% Daqing VR.