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    • 82. 发明申请
    • A FILTRATION DEVICE AND A SCREENING DEVICE
    • 过滤装置和筛选装置
    • WO99051329A1
    • 1999-10-14
    • PCT/AU1999/000244
    • 1999-04-01
    • B01D29/01B01D65/08B01D71/02B07B1/46B01D35/22E03F5/06
    • B01D65/08B01D29/01B01D29/62B01D29/925B01D71/02B01D2321/2016B01D2321/2058B07B1/4609
    • A filtration device (10) is described which includes a filter element (12), a reflector element (14) and a series of deflector ribs (16A-16D). The filter element (12) is made from a ceramic substrate of homogenous porosity and density. The reflector element (14) includes a plurality of elongate reflector members (18A-18E) each defining a longitudinal channel (20A-20E) respectively. The reflector members (18) are C-shaped in cross section with each of the channels (20) being generally aligned with the direction of fluid flow through the filtration device (10). The C-shaped reflector members (18) are embedded within the ceramic filter substrate (12) and are made of a relatively non-porous material. The deflector ribs (16A-16D) are located across a gap defined between adjacent reflector members (18) and are set on an upstream facing surface of the substrate (12). Each of the ribs (16) is raised a predetermined distance from the adjacent reflector members (18) so as to form a flow opening through which a fluid stream can pass during filtration. The reflector element (14) is designed to deflect a portion of the fluid passing through the filter element (12) back toward an upstream surface of the substrate. This reverse flow of fluid through the filter element reduces the retention of particles and in particular the build-up of "biofilm" on or within the filter element.
    • 描述了一种过滤装置(10),其包括过滤元件(12),反射器元件(14)和一系列偏转肋(16A-16D)。 过滤元件(12)由均匀孔隙率和密度的陶瓷基底制成。 反射器元件(14)包括分别限定纵向通道(20A-20E)的多个细长反射器构件(18A-18E)。 反射器构件(18)的横截面为C形,每个通道(20)通常与流过过滤装置(10)的流体的方向对准。 C形反射器构件(18)嵌入在陶瓷过滤器基板(12)内并且由相对无孔的材料制成。 导流肋(16A-16D)位于相邻的反射构件(18)之间限定的间隙上,并设置在衬底(12)的面向上游的表面上。 每个肋(16)从相邻的反射器构件(18)上升预定的距离,以形成流体流在过滤期间能通过的流动开口。 反射器元件(14)被设计成将通过过滤元件(12)的流体的一部分偏转回衬底的上游表面。 通过过滤元件的这种反向流动减少了颗粒的保留,特别是在过滤元件上或内部堆积“生物膜”。
    • 84. 发明申请
    • WATER FILTRATION DEVICE AND METHOD OF ITS MANUFACTURE
    • 水过滤装置及其制造方法
    • WO1998015342A1
    • 1998-04-16
    • PCT/NL1997000544
    • 1997-09-30
    • PRIME WATER SYSTEMS N.V.SCHARSTUHL, Johan, Jan
    • PRIME WATER SYSTEMS N.V.
    • B01D63/02
    • B01D65/08B01D61/18B01D63/024B01D69/08B01D2315/06B01D2321/04B01D2321/08B01D2321/2016
    • The invention relates to a water filtration device for the local sterilization of domestic and/or drinking water, comprising a filter housing (10) provided with an inlet (11) and outlet (12) connection and provided in said filter housing (10) with a bundle of capillary membranes (20), a first end (21) of said capillary membranes being open and another end (22) being closed, and said capillary membranes (20) being at the first end (21) cased in a membrane holder closing off the space between the capillary membranes (20) and the filter housing. The membranes are micro or ultrafiltration membranes having an asymmetric pore structure, the pore structure being asymmetric in that the pore diameter gradually decreases in the flow direction of the liquid flow through the membrane wall. The membranes are manufactured from a polyether sulphone polyvinyl pyrrolidone polymer (PES/PVP polymer) and the pore diameter at the side of the asymmetric pore structure having the smallest diameter being between 0.01 and 0.3 mu m, depending on the application.
    • 本发明涉及一种用于家用和/或饮用水的局部灭菌的水过滤装置,包括设置有入口(11)和出口(12)连接并设置在所述过滤器壳体(10)中的过滤器壳体(10) 一束毛细管膜(20),所述毛细管膜的第一端(21)是打开的,另一端(22)被封闭,并且位于第一端(21)处的所述毛细管膜(20)套在膜支架 封闭毛细管膜(20)和过滤器壳体之间的空间。 膜是具有不对称孔结构的微型或超滤膜,孔结构是不对称的,其中孔径在通过膜壁的液体流动的流动方向上逐渐减小。 根据应用,膜由聚醚砜聚乙烯吡咯烷酮聚合物(PES / PVP聚合物)制成,并且具有最小直径的不对称孔结构侧的孔径在0.01和0.3μm之间。
    • 85. 发明申请
    • SEPARATION METHOD AND APPARATUS
    • 分离方法和装置
    • WO1997032652A1
    • 1997-09-12
    • PCT/FI1997000129
    • 1997-02-26
    • RAISIO CHEMICALS OYHENTTONEN, VesaLEIMU, PasiKARLSSON, ClaesTEPPLER, MilanPAATERO, Jaakko
    • RAISIO CHEMICALS OY
    • B01D35/22
    • B01D63/16B01D29/055B01D29/54B01D29/86B01D29/945B01D61/425B01D65/08B01D2321/2016
    • The invention concerns a method and a device for separation of separable constituents from a liquid medium. The separation device comprises only one cell or a stack of a plurality of adjacent cells, whereby each cell consists of a plate unit containing a filter (13), an inlet (16) for supplying the liquid medium into a chamber (10), an outlet (18) for discharging the reject and an outlet (17) for discharging the permeate. The liquid medium is subjected to a strong turbulence created by a conveniently designed rotor, possibly combined with sound waves, preferably ultrasound, and/or an electric field, whereby the deposition of separable constituents on the filter is prevented or essentially reduced. According to the invention a rotor is used in which the essentially plane surface of the rotor wings directed towards the filter comprises one or more areas (20) deviating from the plane of said surface; or the surface (19) of the rotor wings directed towards the filter is curved in such a way that the distance between the surface of the wing and the filter is small at the inner portion of the rotor and that said distance gradually increases towards the periphery of the rotor; or the section of the rotor wings in a plane parallel with the filter forms an almost S-shaped surface, whereby the S-shape is continuous.
    • 本发明涉及一种用于从液体介质中分离可分离成分的方法和装置。 分离装置仅包括一个单元或多个相邻单元的堆叠,由此每个单元由包含过滤器(13)的板单元,用于将液体介质供应到室(10)中的入口(16) 用于排出废料的出口(18)和用于排出渗透物的出口(17)。 液体介质受到由方便设计的转子产生的强烈的湍流,可能与声波(优选超声波)和/或电场组合,从而防止或基本上减少了过滤器上的可分离成分的沉积。 根据本发明,使用转子,其中转子翼的基本平面表面指向过滤器包括偏离所述表面的平面的一个或多个区域(20); 或者指向过滤器的转子翼的表面(19)以这样的方式弯曲,使得翼的表面与过滤器之间的距离在转子的内部处较小,并且所述距离朝向周边逐渐增加 的转子; 或者在与过滤器平行的平面中的转子翼的部分形成几乎S形的表面,由此S形连续。