化學制漿工段提出的常用濃黑液和稀黑液中含有較多纖維懸浮物，在進入堿回收工段之前，經過黑液過濾機轉鼓上的濾網過濾出來，以免影響蒸發效率。本機沒有黑液加溫裝置，以降低黑液粘度，保證過濾 機{gx}正常工作。
Deep Black liquor and dilute black liquor, that is taken out from chemical pulping section,enter into black filter press beford the alkali reycle ection,to prevent the fibers black liquor suspended objects to affect evaporation efficiency through thr turn drum net .The machine has black liquor heating device to reduce viscosity in order to ensure filter pres to efficient work normally.
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