The Characteristics of a sizer made in Germany is presented. Options on design of original coal preparing system, selection and development of sizer are analysed.

• 介绍了德国利威尔筛分机的特点,针对鲁奇炉对入炉原料的要求及义马气化厂的具体情况,对原备煤系统设计进行优化,对筛分机的选型和研制进行了分析。