一、降低冶炼精煤灰分的必要性目前,由于煤炭产品过剩,煤炭市场已由卖方市场转向买方市场,进入了“消费制约生产”的新阶段。用户对煤炭产品的品种不但有了挑选的余地,而且对质量的要求也越来越高了。原来紧俏的冶炼精煤因质量稍差或品种不对路而成为滞销产品。 First, to reduce the need for smelting coal ash present, due to excess coal products, the coal market has shifted from the seller’s market to the buyer’s market, entered a “consumer-constrained production” of a new stage. Users of coal varieties not only have the choice of products, but also the quality requirements are getting higher and higher. The original tight smelting coal because of poor quality or varieties of the wrong way to become unsalable products.