The paper introduces the development of top distributing gear from bell to bell-less and its superiority,summarizes the chute distributing law and the forecast model study of bell-less top distributing at home and abroad.

• 本文简介了布料器由钟式炉顶到无钟炉顶的发展过程 ,并着重介绍了与钟式炉顶相比无钟炉顶的优越性及其特点 ,同时总结了溜槽的布料规律 ,并简述了国内外有关无钟炉顶布料预测模型的研究进展