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9 条记录 (耗时 0.013 秒)

    Particulate polymers as filter aids
    1.
    发明申请
    Particulate polymers as filter aids 失效
    颗粒聚合物作为助滤剂

    公开(公告)号：US20020153331A1

    公开(公告)日：2002-10-24

    申请号：US10076515

    申请日：2002-02-19

    发明人： Marcos Gomez ,  Tilman C. Rock ,  Helmut Meffert ,  Axel Sanner

    IPC分类号： B01D037/02

    CPC分类号： B01J20/261 ,  B01D37/02 ,  B01D39/02 ,  B01D39/16 ,  B01J20/26

    摘要： The use is described of particulate, water-insoluble and scarcely swellable polymers of ethylenically unsaturated monomers, which polymers contain, copolymerized, at least 20% by weight, based on the total weight of the monomers, of at least one null,null-monoethylenically unsaturated monocarboxylic acid having from 3 to 6 carbons as filter aid for filtering aqueous liquids. Subject-matter of the invention are also water-insoluble, scarcely swellable polymers (popcorn polymers) that contain, copolymerized, null,null-monoethylenically unsaturated carboxylic acids and styrene or styrene derivatives, and also a process for their preparation.

    摘要翻译： 该用途描述了烯属不饱和单体的颗粒状，水不溶性和几乎不溶胀的聚合物，该聚合物含有基于单体总重量至少20重量％的至少20重量％的至少一种α，β-单烯属 具有3至6个碳原子的不饱和一元羧酸作为过滤水性液体的助滤剂。 本发明的主题也是含有共聚的α，β-单烯属不饱和羧酸和苯乙烯或苯乙烯衍生物的水不溶性，几乎不溶胀的聚合物（爆米花聚合物），以及它们的制备方法。

    Filtration of pulp mill liquids
    3.
    发明申请
    Filtration of pulp mill liquids 失效
    纸浆机液体过滤

    公开(公告)号：US20010054590A1

    公开(公告)日：2001-12-27

    申请号：US09843822

    申请日：2001-04-30

    发明人： Joseph R. Phillips

    IPC分类号： B01D037/02

    CPC分类号： D21D5/026 ,  B01D33/11 ,  B01D33/804 ,  B01D37/02

    摘要： A fiber mat is formed on a screen cylinder of a pressurized fiber filtering device used to filter particles from a liquid stream. The fiber mat is a fine particle filter to remove small particles from the liquid stream. The fiber mat is formed by injecting cellulosic fibers into the liquid stream flowing into the fiber filtering device. These fibers collect on the screen cylinder as the liquid flows through the cylinder. The collection of fibers forms the fine filtering mat.

    摘要翻译： 在用于从液体流中过滤颗粒的加压纤维过滤装置的筛筒上形成纤维垫。 纤维垫是细颗粒过滤器，用于从液体流中除去小颗粒。 通过将纤维素纤维注入流入纤维过滤装置的液体流中而形成纤维垫。 当液体流过圆筒时，这些纤维聚集在筛筒上。 纤维的集合形成精细的过滤垫。

    Filtration apparatus
    4.
    发明申请
    Filtration apparatus 审中-公开
    过滤装置

    公开(公告)号：US20040262209A1

    公开(公告)日：2004-12-30

    申请号：US10831585

    申请日：2004-04-23

    发明人： Hiroyuki Umezawa ,  Masahiro Iseki ,  Motoyuki Tsuihiji

    IPC分类号： B01D033/46 ,  B01D037/02 ,  B01D033/00

    CPC分类号： B01D37/02 ,  B01D29/114 ,  B01D29/15 ,  B01D29/39 ,  B01D29/66 ,  B01D61/147 ,  B01D61/20 ,  B01D63/08 ,  B01D65/003 ,  B01D65/02 ,  B01D2321/04 ,  B01D2321/185

    摘要： A filtration apparatus is provided which is easy to maintain, manage and which enables preservation of filtration characteristics due to the fact that filtration is carried out by use of a gelatinous filter apparatus. In the filtration apparatus, filtration characteristics can be maintained by providing a bubble supplying mechanism for removing a sedimentary layer comprising removables that is formed on a surface of a filtration film and a filtration characteristics restoring mechanism for restoring the filter film clogged by the removables by causing a back-flow of filtered water accumulated in a cistern. Filtration apparatus maintenance and management are facilitated by improving recovery efficiency of the precipitated removables by tapering a lower part inside a raw water tank and providing a recovery tank for recovering removables via a valve.

    摘要翻译： 提供了一种易于维护，管理并且由于通过使用凝胶状过滤装置进行过滤的事实而能够保持过滤特性的过滤装置。 在过滤装置中，可以通过设置用于去除沉积层的气泡供给机构来保持过滤特性，所述沉积层包括形成在过滤膜的表面上的可除去物和用于通过引起由过滤特性恢复机构恢复被可移除物堵塞的过滤膜的过滤特性恢复机构 堆积在水箱中的过滤水的回流。 过滤装置的维护和管理通过使原水槽内的下部变细而提高沉淀的可除去液的回收效率而提供一个回收罐，并通过一个阀回收可除去的回收罐。

    Filtering apparatus and open/close valve for the filtering apparatus
    9.
    发明申请
    Filtering apparatus and open/close valve for the filtering apparatus 失效
    过滤装置和过滤装置的开关阀

    公开(公告)号：US20010015333A1

    公开(公告)日：2001-08-23

    申请号：US09756298

    申请日：2001-01-09

    发明人： Osamu Nagata ,  Akira Kawaguchi ,  Yasuyuki Nagata

    IPC分类号： B01D037/02

    CPC分类号： B01D37/02 ,  Y10T137/8013 ,  Y10T137/87877

    摘要： A filtering apparatus including a filtering vessel, wherein a precoat filtering layer is formed with a filter aid on a filtering bed between a nonfiltered liquid chamber where a nonfiltered liquid to be filtered is introduced and a filtered liquid chamber; a nonfiltered liquid introduction line, including a pump and a first open/close valve connected to a suction port of the pump, for introducing the nonfiltered liquid into the nonfiltered liquid chamber; a filtered liquid outlet line, including a second open/close valve, for letting out a filtered liquid through a filtered liquid outlet port of the filtered liquid chamber; a filter aid introducing line that can be opened and closed, from a precoating liquid outlet port of the filtering vessel, via a filter aid addition part, to the pump suction port; a bypass line for precoating, from the filtered liquid outlet port of the filtering vessel to the pump suction port via a third open/close valve; and a bypass line for valve cleaning, from a liquid outlet port at a bottom of a liquid inlet section of the second open/close valve of the filtered liquid outlet line, to the pump suction port via a fourth open/close valve.

    摘要翻译： 一种过滤装置，包括过滤容器，其中在过滤床之间的过滤床上形成有过滤助剂的预过滤层，所述过滤液体室被引入未过滤的液体和过滤的液体室; 非过滤液体引入管线，包括泵和连接到泵的吸入口的第一开/关阀，用于将未过滤的液体引入非过滤液体室中; 过滤液体出口管线，包括第二开/关阀，用于将经过滤的液体通过经过滤的液体室的过滤液体出口; 可以从过滤容器的预涂液出口通过助滤助剂添加部分向泵抽吸口敞开和关闭的助滤剂引入管线; 用于预涂层的旁路管线，经由第三开/关阀从过滤容器的过滤液体出口到泵吸入口; 和从过滤液体出口管路的第二开/关阀的液体入口部分的底部的液体出口通过第四开/关阀将泵清洗的旁路管路连接到泵吸入口。