铀矿冶2013，Vol.32Issue(1)：53-56,4.
尾矿库颗粒的大气迁移及其防护措施
Atmospheric migration of particles of tailings impoundment and protection measures
摘要
Abstract
The concentration distribution and settlement regularity of 10μm particles at the beach face of tailing impoundment under the wind speed of 0. 5,1,2 and 4 m/s were studied by using the numerical method. The results show that the particle concentration was constantly decreasing with the increases of the wind speed and migration distance at the downwind direction. When the wind speed was 0. 5 m/s at the downwind direction, the local particle concentration at the beach face of the tailing impoundment was relatively high and the particles deposited within 2 000 m of the downwind direction. When the wind speed increased to 4. 0 m/s, the particles were taken away by the wind, deposited within 1 000 m of the downwind direction and its concentration would fall rapidly. At the direction perpendicular to the wind direction, the wind speed has a small influence on the particle concentration distribution, the most of the particles deposited within the 100 m around the tailing impoundment, and the concentration of local area was higher. According to the influence of cumulative effect of particles of tailing impoundment on the surrounding environment, the protective measures were discussed.关键词
尾矿库/数值模拟/大气迁移/颗粒浓度/防护措施Key words
tailings impoundment/ numerical simulation/ atmospheric migration/ particle concentration/ protective measures分类
能源科技引用本文复制引用
万芬,彭小勇,谢清芳,张欣,黄帅..尾矿库颗粒的大气迁移及其防护措施[J].铀矿冶,2013,32(1):53-56,4.基金项目
国家自然科学基金(11075072) （11075072）
