一、推进我国球团矿生产的必要性和紧迫性1.从粉状铁矿石的基本造块原理说起现代铁矿开采富铁块矿已越来越少,绝大部分是粉矿和经磨选的细精矿。为了满足现代炼铁生产的要求,必须将粉状铁矿石进行造块,将其生产成具有一定 First, promote the necessity and urgency of pellet production in our country 1. Speaking of the basic building block principle of powdered iron ore, modern iron ore mining has become less and less iron-rich lump ore, the vast majority of which are fines and After grinding the fine concentrate. In order to meet the requirements of modern ironmaking production, powdered iron ore must be agglomerated to produce it with a certain