冶金工业部提出在寿王坟铜矿试建一座土洋结合的50吨简易选矿厂,期望解决目前低品位铜矿不能直接进炉的困难问题,为群众性的炼铜运动开辟道路。有色设计院、选矿研究院和寿王坟铜矿共同进行了这个试建工作。这个简易的小型选矿厂,在党的预导下和全体同志的努力,从确定设计方案,设 The Ministry of Metallurgical Industry proposed to build a 50-ton simple concentrating plant at the Shouwangfen Copper Mine with a combination of earth and ocean, hoping to solve the difficult problem that low-grade copper mines cannot directly enter the furnace and open up the way for the mass smelting campaign. The non-ferrous design institute, the beneficiation institute and the Shouwangfen Copper Mine jointly carried out this trial construction work. This simple small concentrator, under the guidance of the party and the efforts of all comrades, from the design of the design, set