主要用于黑液的提取和浆料的多段逆流洗涤，是传统水平带式真空洗浆机的换代产品。克服了原水平带式真空洗浆机胶带开孔率低，跑冒滴漏严重、更换胶带费工费时的缺点，提高了黑液的提取浓度和效率。还具有适应性广，动力消耗低，可自动控制的优点。

   Mainly for many segments refluence wahing of the blak liquor distilling and pulp materials,which is a transformation products instedad of a traditional horiontal belt vacuum Washer. Conquerde the efects of former level Vacuum Washer opening hole rate lowly ,leaking seriously,replacing tape to waste time and labour.Increased distilling thickness and efficiency of black liquor.Also which has wide adaptability,low power consumption and automatic control advantages.