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- Application of Low Dilution Ore Drawing Technology in Meishan Iron Mine 梅山铁矿低贫化放矿工艺的应用
- Actualities and Application Prospect of the Low Dilution Ore Drawing Technology 低贫化放矿工艺现状及应用前景
- The low dilution mode of ore drawing requies that ore quality management be suited to the feature of ore and rock movement during ore drawing in sublevel caving. 无底柱分段崩落法低贫化放矿方式要求限制废石漏斗在出矿口的破裂。
- Low dilution rate of ore drawing 低贫化放矿
- Industrial Test and Application Research of Ore Drawing at Low Dilution Ratio in Taochong Iron Mine 桃冲铁矿低贫化放矿工业试验与应用研究
- Mathematic Methods for Selecting Optimal Dilution Ratio of Ore Drawing at low Dilution Ratio 低贫化放矿最优贫化率选取的数学方法
- Research shows that main cause of ore dilution in sublevel caving mining is tlnrational cut-off grade drawing.Non-dilution ore drawing is most ideal drawing mede. 研究表明,造成无底柱分段崩落法来出矿石贫比大的根本原因在于采用了不合理的截止品位放矿方式,无贫化放矿是无底柱分段崩落法最为理想的放矿方式。
- The ore dilution takes second place.When ore drawing is proportional by three drawing points, ore rock interface is short and dropped parallelly.The dilution and loss index are the fewest among them. 采用左中右三个出矿口均衡放矿时,矿岩界面最短且近似平行下降,矿石贫化与损失最少。
- In the light of the problems in the nonpillar mining, the formation and principles of the wide spacing and the low lean ore drawing process are presented. 针对无底柱采矿存在的问题,阐述了大间距与低贫化工艺的形成及原理,采用该结构及工艺是降低产品成本的有效方法。
- Various experiments on this power source are carried on which show that it meets the requive-ments of HSW technology with stable voltage,low dilution rate,and smooth wel... 经过多项试验,结果表明:这种电源满足HSW法的焊接工艺要求,电压稳定,稀释率低,堆焊层表面光滑平整,能够获得高质量的焊缝。
- Compared to normal ore drawing,the eccentricity of ellipsoid,the viscosity resistance and inner friction amo... 散体颗粒受振运动是一种不规则、复杂和随机的运动,具有分形特征,对其进行了分形分析和模拟。
- Drawing System of Low Dilution and Dissipation Based on Heterogeneous Degree of Caved Ore and Rock 考虑崩落矿岩非均匀度的低贫化放矿方式
- Based on making a study of them, the single cut-off grade for ore drawing is regarded as les... 通过研究分析,认为单一截止品位放矿方法与其他两种方法相比,在理论上没有优势和发展潜力。
- Based on the technical and economical index, an optimal decision for the cutoff grade of ore drawing is presented. 在获取矿石技术经济指标的基础上,对截止放矿品位进行了优选政策。
- Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China. 采用无底柱分段崩落采矿法,国内外一直采用截止品位放矿法来控制出矿。
- Application of Genetic Algorithm in Low Dilution Drawing 遗传算法在低贫化放矿中的应用
- Taking Jingtieshan Mine as an example,the peper deals with several problems with applying non-dilution ore drawing mw thod. 以镜铁山矿为例研究了无贫化放矿方式在矿山应用的若干问题。
- The results show that there are higher grain grade and hardness,lower dilution and better performance of resistance to abrasion,wear and anti-erosion in the laser cladding layer. 激光熔覆层中的组织晶粒度和硬度高,稀释率低,抗摩擦磨损和抗腐蚀性能好;
- In order to seek reasonable cut-off grade for ore drawing in subdrifting and caving without sill pillar, the relative researchers have put forward various theories and methods. 为寻求无底柱分段崩落采矿法合理的放矿截止品位,众多研究者进行了大量的研究,提出了多种理论和方法。
- Continuous mining for ore drawing and hauling in stope is one of the important achieve-ments in the research area of continuous mining technology in China. 采场出矿运矿连续作业,是近年来我国在连续工艺技术研究领域中所取得的重大成果之一。