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對于濾(lv)(lv)渣(zha)壓(ya)(ya)(ya)縮(suo)性(xing)大或近于不(bu)可壓(ya)(ya)(ya)縮(suo)的懸浮液(ye)都(dou)能適用(yong)(yong)，每兩塊濾(lv)(lv)板組合成一廂形(xing)濾(lv)(lv)室，省去濾(lv)(lv)框，濾(lv)(lv)板中(zhong)心有(you)一圓孔懸浮液(ye)由此(ci)流(liu)入(ru)各濾(lv)(lv)室。這(zhe)種過(guo)濾(lv)(lv)機適用(yong)(yong)于需要在較高壓(ya)(ya)(ya)力下過(guo)濾(lv)(lv)而(er)濾(lv)(lv)渣(zha)不(bu)需要洗滌的懸浮液(ye)。過(guo)濾(lv)(lv)面積可以隨所用(yong)(yong)的板框數目增減(jian)。板框通常為正(zheng)方(fang)形(xing)，板與框用(yong)(yong)手(shou)動(dong)螺旋、電動(dong)螺旋和(he)液(ye)壓(ya)(ya)(ya)等(deng)方(fang)式壓(ya)(ya)(ya)緊。板和(he)框用(yong)(yong)木材、鑄鐵、鑄鋼、不(bu)銹鋼、聚丙烯(xi)和(he)橡(xiang)膠等(deng)材料制造。

由交替排列的濾板和濾框構成一組濾室。濾板的表面有溝槽，其凸出部位用以支撐濾布。濾框和濾板的邊角上有通孔,組裝(zhuang)后(hou)(hou)構成完整的通(tong)(tong)(tong)道，能通(tong)(tong)(tong)入(ru)懸浮(fu)液(ye)、洗(xi)滌(di)水和引出濾(lv)(lv)(lv)液(ye)。板(ban)(ban)(ban)(ban)、框兩側各(ge)有把手支托在(zai)(zai)橫梁(liang)上，由壓緊(jin)裝(zhuang)置壓緊(jin)板(ban)(ban)(ban)(ban)、框。板(ban)(ban)(ban)(ban)、框之間(jian)的濾(lv)(lv)(lv)布(bu)起密封墊片的作用(yong)。由供料泵將懸浮(fu)液(ye)壓入(ru)濾(lv)(lv)(lv)室(shi)(shi)在(zai)(zai)濾(lv)(lv)(lv)布(bu)上形成濾(lv)(lv)(lv)渣(zha)，直至(zhi)充滿(man)濾(lv)(lv)(lv)室(shi)(shi)。濾(lv)(lv)(lv)液(ye)穿過濾(lv)(lv)(lv)布(bu)并(bing)沿(yan)濾(lv)(lv)(lv)板(ban)(ban)(ban)(ban)溝槽流至(zhi)板(ban)(ban)(ban)(ban)框邊角通(tong)(tong)(tong)道，集中排出。過濾(lv)(lv)(lv)完畢，可通(tong)(tong)(tong)入(ru)清洗(xi)滌(di)水洗(xi)滌(di)濾(lv)(lv)(lv)渣(zha)。洗(xi)滌(di)后(hou)(hou)，有時(shi)還通(tong)(tong)(tong)入(ru)壓縮空(kong)氣，除(chu)去剩余的洗(xi)滌(di)液(ye)。隨后(hou)(hou)打開板(ban)(ban)(ban)(ban)框壓濾(lv)(lv)(lv)機(ji)卸除(chu)濾(lv)(lv)(lv)渣(zha)，清洗(xi)濾(lv)(lv)(lv)布(bu)，重新壓緊(jin)板(ban)(ban)(ban)(ban)、框，開始下一工作循環。