采矿优化决策的有效途径—决策支持系统

简要介绍了决策支持系统的基本概念和结构，阐明了决策支持系统是采矿优化决策的有效途径，分析及讨论了该系统的研究现状、存在问题和研究方向。     

人工神经网络在采矿优化决策中的应用

本文在分析现行采矿优化决策方法的困难的基础上，探讨了人工神经网络在采矿优化决策中的各种可能应用，并对其未来的发展提出了可能的方向。     

一种新型的缓倾斜多层矿体采矿技术

针对传统缓倾斜多层矿体的采矿方法 ,如全面法、中深孔落矿下盘漏斗法和爆力运搬法等 ,生产能力小、劳动强度大、安全性差、成本高等缺点 ,从云南锡业公司松树脚锡矿“大马芦”矿段的实际开采技术条件出发 ,提出了一种新型颇有特色的缓倾斜多层矿体的采矿方法———深孔合采井下矿废分离连续采矿法。它采用大直径深孔合采矿岩、井下矿岩集中分离、连续采矿等技术 ,变革了传统的分采工艺 ,有效地克服了传统采矿方法的弊端 ,为缓倾斜多层矿体的高效、低耗和安全开采提供了新的技术方案。     

采矿与岩土工程复合型高级人才的培养模式实践

根据采矿工程是庞大复杂的岩土工程的事实 ,研究了采矿与岩土工程学科的知识体系、人才培养计划、就业的相通性 ,将“采矿工程”专业拓宽为“采矿与岩土工程”专业 ;在近十年里对原采矿工程专业的培养计划、课程、教材进行了改革和建设 ,培养了一大批复合型学士、硕士和博士 ;证明了采矿工程人才和岩土工程人才可双向流动和两个专业的可合并性 ;通过改革 ,也拓宽了采矿专业教师的知识和科研领域 ,提高了实验室利用率 ;从而保证了中南大学采矿学科在多年大环境不利的形势下 ,不仅得以生存而且得到较大发展     

Optimization principle of combined surface and underground mining and its applications

The pit limit optimization is discussed, which is one of the most important problems in the combined mining method, on the basis of the economic model of ore-blocks. A new principle of the limit optimization is put forward through analyzing the limitations of moving cone method under such conditions. With a view to recovering as much mineral resource as possible and making the maximum profit from the whole deposit, the new principle is to maximize the sum of gain from both open-pit and underground mining. The mathematical models along the horizontal and vertical directions and modules for software package (DM&MCAD) have been developed and tested in Tonglushan Copper Mine. It has been proved to be rather effective in the mining practice.     

Radial explosion strain and its fracture effect from confined explosion with charge of cyclonite

Instrumented experiments were conducted in concrete models to study the explosion-induced radial strain and fracture effect of rock-like media under confined explosion with a charge of cyclonite. As a charge was exploded,two different radial strain waves were sequentially recorded by a strain gage at a distance of 80 mm from the center of charge. Through the attenuation formula of the maximum compressive strain(εrmax), the distribution of εrmax and its strain rate(ε) between the charge and gage were obtained. The effect of the two waves propagating outwards on the radial fracture of surrounding media was discussed. The results show that the two waves are pertinent to the loading of shock energy (Es) and bubble energy (Eb) against concrete surrounding charge, respectively. The former wave lasts for much shorter time than the latter. The peak values of εrmax and ε of the former are higher than those of the latter, respectively.     

分级尾砂充填系统振动给料技术试验研究

本文介绍了武山铜矿分级尾砂充填尾砂振动给科系统的技术原理、破拱装置与砂仓结构之间的关系、振动给料机性能及其试验。试验结果证明,采用尾砂振动给料后,尾砂给料均匀连续,易于控制,尾砂充填料浆浓度高于71%,解决了矿山原分级尾砂充填工艺中因为水量和尾砂量无法控制,导致充填料浆重量浓度和充填效率低、采场充填接顶困难和充填料严重离析等一系列问题。     

信息科技在采矿工业中的应用与展望

采矿等传统产业要实现飞跃发展，必须与信息科技相结合。从计算机技术、人工智能、通信技术等三个方面阐述了信息科技在采矿工业中的应用与发展；最后指出：目前我国矿山企业信息化改造的薄弱环节是生产 技术的改造，有必要将信息技术直接嵌入到采矿生产工艺与过程中去。     

高温高硫矿床矿石自燃危险性的评价

高温高硫矿床开采中矿石自燃危险性的准确评价一直是一个难题，探讨了多指标综合评判的新方法。实例分析表明，该方法具有较好的效果。同时本研究成果对硫化矿石自燃的理论和预防措施的研究也具有一定的参考价值。     

高浓度浆体紊流输送特性

从动量方程出发，分析了高浓度浆体紊流输送特性，推导了紊流输送速度分布方程，该方程不仅适用于高浓度浆体输送，而且适用于清水和低浓度浆体输送。