1前言国内陶瓷磨具焙烧一直采用石英砂做垫砂，这种砂主要成分是二氧化硅。磨具装出窑操作时，垫砂粉尘飞扬，严重威胁着工人的身体健康。多年来一些有条件的大型砂轮厂多次进行职工体格检查，发现磨具装出窑工人患矽肺病率逐年有所增加。为此，采用新材料取代石英砂做陶瓷磨具 1 Preface Domestic ceramic abrasive baking has been used to make sand sand quartz sand, sand is the main component of silica. Abrasive tool loading kiln operation, sand dust flying dust, a serious threat to the health of workers. Over the years a number of conditional large-scale grinding wheel factory workers carried out physical examination on many occasions and found that grinding tools out of kiln workers suffering from silicosis increased year by year. To this end, the use of new materials to replace quartz sand ceramic abrasive