鹰桥镍矿公司曼尼桥选矿厂

鹰桥镍矿股份有限公司的曼尼桥矿(Manibridge Mine)位于加拿大曼尼托巴省的汤普森西南90哩处。有一条5哩的简易砾石公路使选矿厂与省391号公路相接。     

矿物超细磨的研究

前言作为造纸填料和涂料的细磨工业矿物的需要量不断增长。为了保证填料和涂料的质量,常需要将原料磨至小于2～5微米。因此,使磨矿具有合理的费用、适中的能耗,且不影响物料的性质(例如:降低其亮度),     

现代工业的前沿—非金属矿业

(一) 之所以非金属矿归口于建材部门,是因为用作建材的矿物原料占非金属矿总产量的90%。除了传统生产水泥、玻璃、陶瓷的原料需要石灰石、石英砂及高岭土一类非上属矿而外,现代建材要求轻质高强,大量的蛭石、珍珠岩、沸石、浮石、页岩、板岩、火山碴、硅灰石、硅藻土、膨润土等也在被用作骨料和其它用途。尤其是随着人类生活水平的提高,对建筑物的装饰愈来愈提出了高要求,对抛光的大理石、花岗岩、水磨石及人造大理石等装饰石材的需求量越来越大,在世界范围内已形成石材热。在我国也出现了全民     

STUDY ON THE OXIDIZABILITY-RESISTANCE OF FLEXIBLE GRAPHITE BY USING ADDITIVE

Abstract: The oxidizability-resistance of graphite products havebeen studied with the addition of H_3PO_4 and H_3BO_3. A available way hasbeen found to increase the oxidizability-resistance of graphite products.The oxidizability-resistance of graphite products rises remarkably aftertreating with 1% H_3PO_4 and 3% H_3BO_3. Meanwhile, the relative princi-ple has been proposed also.     

立式螺旋搅拌磨在硅灰石微粉碎工艺中的应用研究

论文从满足产品粒度,有利于保护针状结构,可操作性好,指标稳定,流程简化等技术角度论证了立式螺旋搅拌磨用于微粉碎硅灰石矿粉的合理性。结合生产实际的产品方案,在系统试验的基础上给出了最佳工艺参数。并运用了现代测试手段,光透过粒度测定仪和电子显微镜对产品进行了粒度分布测定和形貌观察。验证了搅拌磨生产超微粉仍能保护其针状结构。还指出了这种磨机操作稳定,效果稳定,可开路生产满足产品粒度要求,无需配用分级设备。     

混合氧化法生产可膨胀石墨

传统的可膨胀石墨生产工艺为Ｈ２ＳＯ４－ＨＮＯ３法,但由于大量有害气体ＮＯ２的产生,造成的环境污染较为严重。本文经过大量的实验探索和研究,提出了用混合氧化法替代传统的Ｈ２ＳＯ４－ＨＮＯ３法,不仅减轻了环境污染,而且提高了膨胀倍数,又使生产成本大为降低。该方法得到了工业试验的验证,确为可行有效,将是一种更佳的生产工艺。     

EFFECT OF METAL IONIC SPECIES AT MINERAL SURFACES ON THE ADSORPTION OF CARBOXYMETHYL CELLULOSE

In this research it was shown that mineral surface metal-lic sites played a decisive role in carborymethyl cellulose(CMC) adsorp-tion, and surface hydrophobicity alone did not have significant effects.Both the carboxymethyl groups and the hydroxyl groups of the CMC par-ticipated in the interaction with mineral surface,with the carboxymethylgroups interacting with metal and metal hydroxyl species, and hydroxylgroups interacting with metal hydroxide species,respectively.     

STUDIES ON THE APPLICATION OF TOWER MILL IN THE PRODUCTION OF ULTRAFINE WOLLASTONITE

The feasibilities of ultrafine wollastonits powder have beenanalysed based on joint considerations of satisfying product size re-quiremet,preserving the needlelike wollastonite structure,maintaining aneasy operation,stable performance and simolified flowsheet,etc.Opti-mum operating conditions have been established through systematic reseach-es on the bases of product requirements.Modern analytical technique suchas light-transmission particle sizing and scanming electron spectroscopyhave been used to determine the size and morphology of the product.It isfound that the meedelelike structure can be preserved even down to the ul-trafine range by using the tower mill.The tower,mill is easy to operate,has stable performances,and can be used in open-circuit to produce re-quired products without needing for a classifier.