mucking

Aiming at high design requirement and great technical difficulties,construction methods such as blasting control,excavating and mucking in the tunnel and grout injection in the holes with anchor have been improved on so as to advance construction efficiency,quicken construction schedule and increase economical benefits finally.

针对此工程设计要求高、技术难度大等特点,对爆破控制、洞室开挖出渣、锚杆注浆等施工方法进行了改进,提高了施工工效,加快了施工进度,最终提高了经济效益。

Introduction is given to experiment on changing reaction zone lining into Mg Cr Al bricks in volatilization kiln for treating zinc leaching residue and practice for achieving domestic leads in same industry after continuous operation for 244 days by using this kind of brick lined volatilization kiln.

介绍了挥发窑处理锌浸出渣时 ,反应带改用镁铬铝砖的试验及使用该砖种挥发窑连续运行了 2 44 d达到国内同行业领先水平的实践情

The effecting factors of electrolytic Zinc leaching residue to the Kiln's service life during the processing of Volatility kiln were introduced.

介绍了电解锌浸出渣在挥发窑处理过程中对窑使用寿命的影响因素及延长挥发窑寿命的探讨,着重介绍了耐火材料对挥发窑寿命的影响,根据生产实践情况来看,铝镁铬耐火砖在挥发窑上的应用效果最好,并取得很好的经济效益。

This paper analyzing the source and distribution of Sulfur elementary of Zinc leaching residue in volatilization kiln, combine with the practice condition, and contrast analyzing the actuality desulphurization techniques in home and out.

叙述了锌浸出渣挥发窑中硫元素的来源及其分布,对国内外目前的低浓度SO2烟气的处理方法进行了分析对比。

Study on flotation recovery of elemental sulphur from copper leaching residues;

从铜浸出渣中浮选回收元素硫的研究