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首页> 外文期刊>Materials at High Temperatures >ELCOGAS IGCC power plant in Spain: effect of the gasifier environment on the high alloy steel performance
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ELCOGAS IGCC power plant in Spain: effect of the gasifier environment on the high alloy steel performance

机译：西班牙ELCOGAS IGCC电厂：气化炉环境对高合金钢性能的影响

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摘要

The ELCOGAS power plant in Puertollano (Ciudad Real, Spain), with a gross electrical output of 335 MWe, is the world's largest capacity Integrated Gasification in Combined Cycle (IGCC) power plant. ELCOGAS is a Spanish joint stock company whose shareholders are European utilities and capital good suppliers from European countries. The gasification is based on the PRENFLO pressurized entrained-flow process with dry fuel dust feeding. The high-pressure (HP) evaporators, located in the same pressure vessel as the gasifier, are one of the most critical components in terms of materials in the gasifier. The corrosion performance of the austenitic Sanicro 28 alloy tubing exposed to the aggressive raw gas in the HP evaporators is being evaluated. For this purpose, destructive examination of calibrated test samples, installed at various accessible locations and removed after different exposure periods, is being performed. Corrosion results of Sanicro 28 samples with more than 11200 operating hours are available and show, in general, low corrosion metal losses in the high temperature gasifier atmosphere.
机译：位于Puertollano（西班牙雷阿尔城）的ELCOGAS电厂的总电力输出为335 MWe，是世界上最大的联合气化联合循环（IGCC）电厂。 ELCOGAS是一家西班牙股份制公司，其股东是欧洲公用事业公司和来自欧洲国家的资本货物供应商。气化是基于带有干燃料粉尘进料的PRENFLO加压气流床工艺。就气化炉中的材料而言，与气化炉位于同一压力容器中的高压（HP）蒸发器是最关键的组件之一。正在评估在高压蒸发器中暴露于腐蚀性原始气体的奥氏体Sanicro 28合金管的腐蚀性能。为此，正在对安装在各个可及位置并在不同暴露时间后移出的校准试样进行破坏性检查。提供了Sanicro 28个样品，其腐蚀时间超过11200小时，其腐蚀结果表明，在高温气化炉气氛中，腐蚀金属的损失一般较低。

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