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根据九龙矿选煤厂煤质特性和生产现状，利用优化方法，对可采用的四种流程进行了预测，指出了九龙矿选煤厂技术改造的途径。
According to the characteristics and production status of coal in Jiulong Coal Preparation Plant, the four kinds of processes that can be adopted are predicted by the optimization method, and the ways of technological transformation at Jiulong Coal Preparation Plant are pointed out.