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对线性阳极装置进行比较的数值评估,以通过网格网和同心环设计增强地面储的阴极保护
Mohammad Javad Shirshahi1, Seyed Farshid Chini2, Peyman Taheri3
1School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran.
Scientific reports
|November 10, 2023
概括
与牺牲式阳极相比,混合金属氧化物 (MMO) 阳极为储底部提供了优越的正极保护. MMO阳极更具成本效益,性能更好,特别是在带状配置中.
科学领域:
- 电化学 电化学 电化学
- 腐蚀工程 腐蚀工程
- 材料科学 材料科学 材料科学
背景情况:
- 防腐蚀对于储的完整性至关重要.
- 除了涂料和材料选择,阴极保护也是一个关键策略.
- 混合金属氧化物 (MMO) 阳极推用于坦克底部,特别是具有地质膜层.
研究的目的:
- 模拟和评估地面储底部的阴极保护.
- 分析MMO阳极与牺牲阳极的性能和成本效益.
- 调查影响保护标准和系统设计的关键参数.
主要方法:
- 使用MMO电线 (同心环) 和带 (网格) 阳极模拟正极保护.
- 参数分析包括限制氧气电流密度,土壤电阻,阳极电流,阳极深度和间距.
- 评估影响电网电阻和整流器要求的两条带阳极配置.
- 在MMO和牺牲 (,) 阳极之间进行经济比较.
主要成果:
- 限制氧气电流密度,土壤电阻和阳极电流是保护的最重要的因素.
- 在较大的值时,阳极深度和间距是至关重要的.
- MMO带式阳极表现出卓越的性能和显著降低的成本 (约. 20%的牺牲系统) 与和的牺牲阳极相比.
结论:
- MMO阳极是一种高效和经济的解决方案,用于储底部的正极保护.
- 该模拟为设计高效和成本效益的正极保护系统提供了宝贵的见解.
- 与牺牲带阳极相比,MMO线性阳极提供了相当大的成本优势.
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