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铝熔体氢含量在线检测方法及进展
On-line Detection Method of Hydrogen Contentin Aluminium Meltand Its Recent Progress
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- DOI:
- 作者:
- 陈建勋
CHEN Jianxun
- 作者单位:
- 广东省特种设备检测研究院珠海检测院 广东省特种设备工程技术研究开发中心
Zhuhai Branch,Guangdong institute of Special Equipment Inspection and Research,Zhuhai 519002,China;Guangdong Engineering Technology Research and Development Center of Special Equipment,Zhuhai 519000,China
- 关键词:
- 铝熔体 氢含量 氢分压 在线检测
aluminum melt hydrogen content hydrogen partial pressure on-line determination
- 摘要:
- 对铝熔体中氢的来源及危害进行了分析。根据测氢操作方式的不同分别介绍了减压凝固法、第一气泡法、惰性气体循环法、氢浓差电池法等各种铝熔体氢含量在线检测方法的原理及特点。从测氢操作方式、测氢结果、测试时间和成本的角度对各种在线测氢方法进行了对比分析。在线连续测氢技术发展方向主要在于延长高温测氢探头使用寿命、降低装置总体成本。The sources and hazards of hydrogen in aluminum melt were analyzed.According to the different operation modes of measuring hydrogen,the principle and characteristics of on-line measuring methods such as reduced pressure solidification method,first bubble method,inert gas cycle method and hydrogen concentration difference cell method were introduced respectively.The various on-line hydrogen measurement methods were compared and analyzed from the aspects of hydrogen measurement operation mode,hydrogen measurement results,testing time and cost.The development direction of online continuous hydrogen measurement technology is to extend the service life of high temperature hydrogen measurement probe and reduce the overall cost of the device.