[国外新闻] 【国际地热周讯】(第12期)科技:钢铁对地热电厂安全高效运行不可或缺

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发表于 2017-10-1 23:37:02 | 显示全部楼层 |阅读模式
At the heart of this powerful technologylies steel. The material is integral to the safe and efficient functioning ofgeothermal plants due to its strength and durability. Dissolved carbon dioxide,hydrogen sulphide, ammonia and chloride are all present during the geothermalprocess, which when exposed to the majority of metals cause corrosion anddestroy components -– such as valves, filters and piping – over time.
Steel, along with nickel and titaniumalloys, are selected for their resistance to pitting and cracking, withthermally treated and ferric stainless steels with a low carbon content beingthe most resistant to corrosion overall, making this technology possible.

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