2) dew-point corrosion
露点腐蚀
1.
Here described are the sulfuric acid dew-point corrosion in the heaters and air preheaters in oil refineries and electric power plant,the characteristics of new thermal-conductive enamel technology and its application in refinery and electric power plant services.
文章主要介绍了导热搪瓷这种新技术的特点,炼油厂及电厂的加热炉和空气预热器的硫酸露点腐蚀状况,以及导热搪瓷在电厂和炼油厂使用情况。
2.
It is concluded that the spalling was mainly caused by dew-point corrosion of anchor pins.
文章主要介绍了中国石化齐鲁股份有限公司胜利炼油厂第三套常减压装置常压炉衬里脱落情况及处理措施,并从腐蚀形貌、操作环境及腐蚀产物几方面分析了衬里脱落的原因,确定衬里脱落主要是由于保温钉受烟气露点腐蚀造成。
3.
The dew-point corrosion of the air preheater in the coker furnace was discussed in consideration of operation, maintenance and improvements.
空气预热器运行的好坏直接影响到加热炉的热效率 ,文章结合焦化装置加热炉空气预热器的使用、维修、改进等 ,论述了预热器存在的露点腐蚀问题。
3) dew point corrosion
露点腐蚀
1.
The mechanisms and impacting factors in dew point corrosion of sulfuric acid in waste heat recovery system of heating furnace have been studied.
文章对加热炉废热回收系统硫酸露点腐蚀机理及影响因素进行了研究,研制了搪瓷管束空气预热器并成功地完成了工业应用实验。
2.
With regard to the dew point corrosion problem in the sulfur-burning sulfuric acid plant,this article outlines relevant measures for the application of high-efficiency heat pipe economizer so as to achieve long-term stable .
针对硫磺制酸装置存在的露点腐蚀问题,为实现长期稳定运行,介绍了选用高效热管式省煤器应采取的相关措施。
3.
From the large amount of ash deposited in the pre-heater and flue gas duct which mostly contains sulfate, it could be concluded that the corrosion was the sulfuric acid dew point corrosion.
与此同时,在预热器及烟道内发现有大量灰垢,其主要成分为硫酸盐,可判断腐蚀系硫酸露点腐蚀所致。
4) low-temperature corrosion
低温腐蚀
1.
Analysis and countermeasure on low-temperature corrosion of gas-fired heating furnace;
关于燃气加热炉低温腐蚀的原因与对策
2.
Described are the low-temperature corrosion problems quite prevalent in the flue-gas desulfurization system of a coal-fired power plant.
介绍了燃煤电厂烟气脱硫系统中普遍存在的低温腐蚀问题 ,并结合实例对烟气再热系统的型式以及二次腐蚀问题进行了简要分
3.
Through the probe into low-temperature corrosion and dust deposit on the heating surfact of a boilor and implementation of preventive measures,potential block up of the air preheater caused by low-temperature chemical corrosion and being stuck with dust because of low temperature was eliminated,thus ensuring the boiler s safe and smooth running.
通过锅炉受热面低温腐蚀、积灰探析及预防措施的实施,消除了空气预热器低温化学腐蚀和低温粘结灰堵塞隐患,确保了锅炉设备的安全稳定运行。
6) low temperature corrosion
低温腐蚀
1.
The destruction of protective layer of ferrous sulfide on device surface by the occurrence of chlorine hydride was the main reason of low temperature corrosion in crude oil unit.
常减压装置发生低温腐蚀的原因主要是由于HCl的存在破坏了设备表面形成的FeS保护膜。
2.
Through analyzing the mechanism of low temperature corrosion of home-made heat medium heater and its harm to the in-line oil pipeline, it is pointed out that the temperature of heater tube is important factor to form acid dew point corrosion,which constrains seriously the gas discharge temperature in a low temperature way.
阐述了国产热媒炉低温腐蚀对输油管道运行造成的危害。
3.
This paper emphatically describes how to lift its fume exhaust temperature under low load running of a boiler so as to reduce low temperature corrosion.
重点论述了在锅炉低负荷运行状态下提高排烟温度的方法,以达到减少低温腐蚀的目的。
补充资料：露点腐蚀
分子式：
CAS号：
性质：由于气氛中的腐蚀介质在金属表面温度低于露点而凝聚所导致的腐蚀过程。例如在锅炉或各种燃烧炉中，燃料中的杂质硫燃烧后生成二氧化硫，一部分二氧化硫又被氧化为三氧化硫，进而与燃气中的水蒸气结合生成硫酸，在温度低于硫酸露点的构件表面凝聚，腐蚀金属设备。多发生在温度低于150℃的锅炉再热器、空气预热器、省煤器、烟道等设备中。
CAS号：
性质：由于气氛中的腐蚀介质在金属表面温度低于露点而凝聚所导致的腐蚀过程。例如在锅炉或各种燃烧炉中，燃料中的杂质硫燃烧后生成二氧化硫，一部分二氧化硫又被氧化为三氧化硫，进而与燃气中的水蒸气结合生成硫酸，在温度低于硫酸露点的构件表面凝聚，腐蚀金属设备。多发生在温度低于150℃的锅炉再热器、空气预热器、省煤器、烟道等设备中。
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