1) sweet corrosion
无硫腐蚀
2) sulphide corrosion
硫化腐蚀
1.
The results showed that the tubes had suffered the high temperature oxidative and sulphide corrosion for the operation temperature being higher than the suitable, though reheating tubes were made by Cr5Mo steel which has good anticorrosion and mechanism performance.
应用扫描电子显微镜、能谱分析以及X射线衍射仪对焦化加热炉炉管的高温腐蚀形貌,腐蚀物成分以及物相进行了分析,结果表明,尽管加热炉管用材是抗腐蚀性能和高温机械性能均良好的Cr5Mo钢,但由于炉膛操作温度过高,且燃料中含硫,炉管不但发生高温氧化腐蚀,还发生硫化腐蚀,使破坏加速,最终导致炉管失效。
3) sulfur corrosion
硫腐蚀
1.
The sulfur corrosion condition and its harmness to the regeneration system for distilled gasoline aromatization unit were reviewed.
阐述了直馏汽油芳构化装置再生系统的硫腐蚀状况及危害;对腐蚀产生的原因进行了分析并提出了腐蚀控制方案。
2.
The sulfur corrosion mechanisms is studied and corrosion protection measures are recommended,such as selection of right materials and process corrosion prevention etc.
分析了丙烷脱沥青装置硫腐蚀介质的形成过程,介绍了硫化物对装置的腐蚀状况,探讨了硫腐蚀过程的机理,提出了材质选择和工艺防治等防腐蚀对策。
3.
The analysis confirmed that the erosion corrosion was the result of the combination effect of turbulent erosion and high-temperature sulfur corrosion.
上海石化股份公司延迟焦化装置焦炭塔出口大油气钢管三通、支管以及加热炉进出口渣油Cr5Mo弯管冲蚀严重,对其原因进行分析,认为是由于湍流冲蚀和高温硫腐蚀两者交互与叠加作用造成的。
4) sulphur corrosion
硫腐蚀
1.
The tube-plate design and the protection of sulphur corrosion at high temperature were emphasized on,some basic principles were provided for engineering design.
简要介绍了镇海炼化公司10×104t/a硫磺回收装置中废热锅炉的设计,着重叙述了废热锅炉的管板设计和高温硫腐蚀防护等内容,可为同类设备大型化设计提供参考。
5) sulfur corrosion
硫化腐蚀
1.
The wear resistant of the welding composites was three times better than that of steel 45, and the sulfur corrosion resistant ability was one time better than that of heat resistant steel 1Cr25Ni20 and increased 50% than that of Co base alloy Stellite 6.
用粉末冶金法制备WC/Ni3 Al复合材料焊条 ,堆焊于 1Cr2 5Ni2 0耐热钢的表面 ,获得的复合材料的耐磨粒磨损性能是4 5钢的 3倍以上 ,耐硫化腐蚀性高于 1Cr2 5Ni2 0耐热钢 1倍 ,高于钴基合金Stellite 6约 5 0 %。
6) corrosive sulfur
腐蚀性硫
1.
Analysis and Treatment of Transformer Fault Caused by Corrosive Sulfur;
腐蚀性硫导致变压器故障的综合分析及处理
2.
A technique for measuring the corrosive sulfur in the petroleum fractions was introduced.
文章介绍了一种测定石油馏分中腐蚀性硫的方法。
补充资料：有机硫化物腐蚀
分子式：
CAS号：
性质：高温腐蚀的一种类型。主要发生在原油蒸馏和裂解装置中。原油或其他物质中含有的有机硫化物，如硫醇、硫醚、噻吩、多硫化物等，在高温下分解形成硫化氢，腐蚀碳钢和低合金钢制设备管道、管件等。温度在400～450℃之间时腐蚀最为严重，提高钢中的含铬量可显著改善其抗有机硫化物腐蚀的能力。
CAS号：
性质：高温腐蚀的一种类型。主要发生在原油蒸馏和裂解装置中。原油或其他物质中含有的有机硫化物，如硫醇、硫醚、噻吩、多硫化物等，在高温下分解形成硫化氢，腐蚀碳钢和低合金钢制设备管道、管件等。温度在400～450℃之间时腐蚀最为严重，提高钢中的含铬量可显著改善其抗有机硫化物腐蚀的能力。
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