论文部分内容阅读
一、市场情况焦宝石即硬质耐火粘土,是耐火材料厂、各种陶瓷厂的主要原料,它在冶金、化工、建材等行业砌筑工业窑炉中得到广泛应用。据煤炭部加工利用局1987年3月6～8日在平顶山矿务局召开的煤炭系统综合利用产品出口创汇会议中初步落实焦宝石(硬质耐火粘土熟料)为可供出口产品。据调查焦宝石在国际、国内市场上都是一种比较紧俏的耐火原材料,开采生产焦宝石是大有作为的。表1为焦宝石等级与价格。
First, the market situation Jiao gem is hard refractory clay, refractory plant, a variety of ceramic factory’s main raw material, it is metallurgical, chemical, building materials and other industries masonry industrial kiln is widely used. According to the Ministry of Coal Industry Processing and Utilization Bureau March 6-8, 1987 at the Pingdingshan Mining Bureau held a comprehensive utilization of coal products export earnings meeting initially implemented Jiao gem (hard refractory clay clinker) for the export products. According to the survey coke gem in the international and domestic markets are a relatively tight refractory raw materials, mining production of coke gem is a lot of work. Table 1 is the coke gem grade and price.