工业煤粉锅炉煤粉制备中磨煤机的选型及发展

磨煤机是工业煤粉锅炉煤粉制备系统中的核心设备。我国煤炭种类的多样性决定了磨煤机类型的多样化,磨煤机的正确选型在煤粉制备系统中至关重要。详细介绍了低速、中速和高速三大类别中各类型磨煤机各自的发展历程、工作原理、结构特点以及优缺点,分析了各类型磨煤机对煤种的适用性,说明中速磨煤机最适宜应用于目前工业煤粉锅炉煤粉制备系统,指出随着工业煤粉锅炉的快速发展,磨煤机不仅要适应性强,粉磨效果好、产量高、质量硬,还要在降耗及环境方面有所突破。 Coal mill is a basic equipment in pulverized coal manufacturing for industrial pulverized coal boiler.The diversity of coal in China determines that the coal mills are variety.The correct selection of coal mill enhances the pulverized coal preparation efficiency.The development process,working principle,structure properties,advantages and disadvantages of coal mills in high,medium,low speed pulverized coal preparation system were introduced.The adaptability of coal mills to different coal were analyzed.The results showed that the medium speed was the best choice for the pulverized coal manufacturing.With the rapid development of industrial pulverized coal boiler,good adaptability,great grinding effects,excellent low- energy- consumption and environmental protection were the qualities that the coal mill must possess