论文部分内容阅读
由四川重庆南方矿物原料技术研究所首创——从废弃的磨具、废料中回收提取金刚砂的新技术现已获得成功。非金属矿物金刚砂(即刚玉)是建材冶金等工业中不可缺少的重要原材料,也是制造砂轮等磨具的主要原料。专家们测算,我国每年仅生产磨具就大约需要消耗数万吨金刚砂,市场十分紧缺。但由于磨具整形难度大,加工过程中易损坏,我国每年报废的金刚砂砂轮价值高
The new technology from the Chongqing Institute of Mineral Raw Materials Technology in Sichuan Province, China - the new technology for recovering and extracting corundum from discarded abrasives and scrap has been successful. The non-metallic mineral corundum (corundum) is an indispensable important raw material for building materials and metallurgy and other industries. It is also the main raw material for grinding wheels and other abrasives. Experts estimated that China’s annual production of abrasive tools only requires the consumption of tens of thousands of tons of corundum. The market is very scarce. However, due to the difficulty of shaping the grinding tools and the damage during processing, the value of the emery grinding wheel scrapped annually in China is high.