评估精确的测量方法,以雷呼气速度与向效应和现场应用
1School of Resources Environment and Safety Engineering, University of South China, Hengyang 421001, China.
Journal of hazardous materials
|July 30, 2024
概括
精确的出气测量对于尾矿池退役至关重要. 新方法在不利条件下提高了准确性,解决了气监测传统技术的局限性.
科学领域:
- 环境科学 环境科学
- 核工程 核工程是指核工程.
- 地质化学 地质化学
背景情况:
- 废池需要对气排气进行监测,以在退役期间达到监管标准.
- 使用积累室的现有测量方法在温度或压力梯度引起的不利条件下是不准确的.
- 气体运动对出气速的测量有很大影响,因此需要改进方法.
研究的目的:
- 评估两种新的方法,用于在不利条件下准确地测量从松散介质表面的气呼气速率.
- 通过数值模拟分析传统测量技术的局限性,并阐明拟议方法的机制.
- 在实地研究中比较新方法和传统方法的性能,并创建出气率的预测地图.
主要方法:
- 在尾矿的沙子上进行了反复的实验,使用具有受控的辅向流速 (0.03和0.3L/分钟) 的实验平台进行实验.
- 使用数值模拟来分析传统方法的缺陷和新方法的机制.
- 进行了对所有方法进行比较的实地研究,并使用插值数据创建了一个预测性出气速图.
主要成果:
- 两种拟议的方法显示,测量和真实出气值之间的偏差分别为0.1-6.1%和6.3-29.2%.
- 数字模拟提供了对传统方法的缺陷和新技术的操作原理的见解.
- 现场比较证实,与传统方法相比,在不利条件下,拟议方法的结果更接近真实值.
结论:
- 开发的方法在准确测量尾矿表面的出气率方面有了显著的改进,特别是在不利的条件下.
- 预计这些发现将有助于更准确地评估矿池的海表面处理方法.
- 该研究强调了在呼气测量中考虑向的重要性,以有效地改善环境.
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