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diluting steam
相关语句
  相似匹配句对
     Steam rectification
     水蒸气精馏
短句来源
     Steam peeling technology
     高效果蔬蒸汽脱皮技术
短句来源
     diluting concentration of electron donor;
     稀释给电子体浓度;
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By technical modification and optimizing operation for quench water and diluted steam generation system, the problem for the fluctuation of pH value and the corrosion has been solved.

通过对急冷水、稀释蒸汽系统的技改和优化操作,解决了该系统的pH值波动和腐蚀问题。

Coke formation is an important factor that affects the operation of ethylene furnace.Adding coking inhibitor to the dilute steam or cracked raw materials is one of the effective methods to lengthen unit-operating cycle at present.The progress of coking inhibitors for ethylene pyrolysis furnace domestic and abroad is introduced.It is suggested to strengthen the research and development of coking inhibitors,reduce the cost of inhibitors,optimize adding scheme,and enhance the technical application level of...

Coke formation is an important factor that affects the operation of ethylene furnace.Adding coking inhibitor to the dilute steam or cracked raw materials is one of the effective methods to lengthen unit-operating cycle at present.The progress of coking inhibitors for ethylene pyrolysis furnace domestic and abroad is introduced.It is suggested to strengthen the research and development of coking inhibitors,reduce the cost of inhibitors,optimize adding scheme,and enhance the technical application level of the inhibitor,according to the situation of the domestic ethylene pyrolysis units.

在乙烯装置中,裂解炉结焦是制约装置运行的重要因素。在裂解原料或稀释蒸汽中添加结焦抑制剂是目前延长装置运转周期较为有效的方法之一。综述了国内外乙烯裂解炉结焦抑制剂的技术进展和发展方向,结合我国乙烯裂解装置的情况,提出应加强结焦抑制剂的研究开发,降低抑制剂的成本,优化工业化加剂方案,提高抑制剂的应用技术水平等建议。

Three kinds of coke formation mechanisms(metallic catalytic, free radical and tar-polymerization coking mechanisms) in ethylene steam cracking furnace,the dominant influencing factors(such as raw material property, cracking severity, diluting steam, residence time and cracking temperature) on coke formation and major coke inhibiting technologies(such as cracking feedstock optimization, surface coating treatment for furnace tube and adding inhibitors) were introduced. The development and progress on the...

Three kinds of coke formation mechanisms(metallic catalytic, free radical and tar-polymerization coking mechanisms) in ethylene steam cracking furnace,the dominant influencing factors(such as raw material property, cracking severity, diluting steam, residence time and cracking temperature) on coke formation and major coke inhibiting technologies(such as cracking feedstock optimization, surface coating treatment for furnace tube and adding inhibitors) were introduced. The development and progress on the surface coating treatment technologies for furnace tube and coke inhibitor adding technologies along with their corresponding commercial application both home and abroad in recent years were reviewed. The applications of surface coating treatment technologies for furnace tube are suggested to be improved and broken through, and the development trend of coke inhibitors should be multifunctional compound.

介绍了乙烯裂解炉的结焦机理(金属催化结焦、自由基结焦和焦油聚合结焦)、影响结焦的主要因素(原料性质和裂解深度、稀释蒸汽、停留时间和裂解温度)和抑制炉管结焦的主要技术(裂解原料的优质化、炉管表面处理和添加抑制剂),着重综述了近几年国内外炉管表面处理技术的研制情况和添加抑制剂技术的进展及其工业应用情况,提出炉管表面处理技术的工业应用有待发展和突破,结焦抑制剂的发展方向是复合的多功能抑制剂。

 
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