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Updated: Aug 4, 2026

Experimental Multiscale Methodology for Predicting Material Fouling Resistance

Experimental Multiscale Methodology for Predicting Material Fouling Resistance

关于炉水冷墙管道高温气态化腐蚀的实验研究

Jigang Zhang¹, Zijun Liu², Kun Cheng¹

¹Shandong Institute of Commerce and Technology, Jinan, People's Republic of China.

Environmental technology

|September 22, 2024

概括

高温化 (HF) 腐蚀会影响炉管道,阻碍废物共处置. 这项研究发现,15CrMoG管道在高温下比20G管道具有更高的耐腐蚀性.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
腐蚀科学腐蚀科学

背景情况:

炉水冷墙管道的高温化 (HF) 腐蚀是一个重大挑战.
这种腐蚀阻碍了化危险废物与煤炭通过燃烧共同处置.

研究的目的:

为了研究普通炉水冷墙管道 (15CrMoG和20G) 的高温气态HF腐蚀.
评估温度对这些材料在0.2%高频环境中的腐蚀性和耐腐蚀性的影响.

主要方法:

在15CrMoG和20G管道上使用水平管炉进行了气体HF腐蚀实验.
通过测量质量增加来确定腐蚀动力学.
对腐蚀的样本进行了微观形态和相组合分析.

主要成果:

15CrMoG和20G管道的耐腐蚀性随着温度升高而降低.
在550°C时,腐蚀重量增加曲线为15CrMoG的ΔW^1.9144=0.2100t,而20G的ΔW^1.8356=0.1344t.
与20G相比,15CrMoG具有更高的耐腐蚀性,平均腐蚀率分别为0.0177和0.0125 mg/cm2·h.

结论:

高温HF腐蚀过程涉及金属基质的非交替化和氧化.
这些发现对于制定防护策略,防止炉中高温高频腐蚀至关重要.

关键词:

化是一种化.燃烧过程中的燃烧.腐蚀腐蚀是一种腐蚀.高温的高温的高温的高温金属的金属的金属.

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