会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明专利
    • APPARATUS FOR THE DEWATERING OF A WEB OF CELLULOSIC MATTER OR A WEB OF MATERIAL FOR THE PASTEBOARD OR CARDBOARD
    • CA2017784A1
    • 1990-12-09
    • CA2017784
    • 1990-05-30
    • STUMMER, GISELHERBROGYANYI, EDGARKITTEL, FRANZ P.SCHICK, ROLAND
    • STUMMER, GISELHERBROGYANYI, EDGARKITTEL, FRANZ P.SCHICK, ROLAND
    • D21F3/02D21F3/04
    • The invention relates to apparatus for the dewatering of a web of cellulosic matter or a web of material for the pasteboard or cardboard production, having endless screen belts or the like circulating in opposite directions between which the web is made to pass for dewatering, the web being made to pass through at least one first dewatering zone with at least two screen belts or the like and thereupon to at least one further dewatering zone, in particular a compresion zone, with at least two screen belts. The invention is mainly characterized in that the web is made to pass at least largely unsupported from at least one dewatering zone serving as a pre-dewatering zone and in particular formed as a double screen belt press to at least one further dewatering zone, in particular to a compression zone in particular formed as a double screen belt press, preferably as a high-pressure press, one or a plurality of heating means, in particular means for applying a heating medium, conveniently one or a plurality of steam-blowing box(es), being provided behind the at least one first dewatering zone serving for pre-dewatering on the web or on the path of the web, in particular above it, one or a plurality of suction site(s), suction box(es) or/and heating means, in particular means for applying a heating medium, conveniently (a) suction box(es), being provided opposite to said steam-blowing box(es) on the other side, in particular underneath, the web or the path of the web, heating means and suction sites conveniently being disposed above and underneath the web opposite to one another and thus forming pairs.