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1. 发明授权

US4340478A Filter media and filter apparatus 失效
标题翻译：过滤介质和过滤装置
公开(公告)号：US4340478A
公开(公告)日：1982-07-20
申请号：US294039
申请日：1981-08-18
申请人： Forrest B. Stannard , Edward J. Highstreet
发明人： Forrest B. Stannard , Edward J. Highstreet
IPC分类号： B01D29/03 , B01D39/20 , C02F11/16 , B01D23/02 , B01D39/14
CPC分类号： C02F11/16 , B01D29/03 , B01D39/2079 , B01D2201/10
摘要： Filter media comprises a grid of parallelogram openings formed by a first series of parallel strips and a second series of parallel strips narrower than the first series strips fixed together normal to each other. The grid openings are filled with rigid porous filter material formed of crushed anthracite or other solid particles held in a matrix of cured resin presenting a flat upper surface together with the upper edges of the first and second series strips.Filter apparatus are formed by placing the filter media in an open-top tank on or above the floor of the tank and providing one or more conduits in the tank through which liquid contained in the tank below the level of said filter material can be withdrawn from the tank.
摘要翻译：过滤介质包括由第一系列平行条带形成的平行四边形开口格栅和比通常彼此固定的第一串联条带窄的第二系列平行条纹。网格开口填充有由破碎的无烟煤或其它固体颗粒形成的刚性多孔过滤材料，其固定在具有平坦上表面的固化树脂的基体中以及第一和第二串联条的上边缘。过滤装置是通过将过滤介质放置在罐的地板上或上方的敞开式罐中而形成的，并且在罐中提供一个或多个管道，通过该管道可以将容纳在罐中的液体低于所述过滤材料的水平面坦克。

2. 发明授权

US4399042A Filter devices and methods 失效
标题翻译：过滤设备和方法
公开(公告)号：US4399042A
公开(公告)日：1983-08-16
申请号：US312620
申请日：1981-10-19
申请人： Forrest B. Stannard , Edward J. Highstreet
发明人： Forrest B. Stannard , Edward J. Highstreet
IPC分类号： B01D29/01 , B01D29/05 , B01D29/075 , B01D33/15 , B01D36/02 , B01D23/02 , B01D23/24
CPC分类号： B01D36/02 , B01D29/012 , B01D29/05 , B01D33/15 , B01D2029/075
摘要： Filter elements are constructed of an array of parallel, spaced-apart rods, a plurality of spaced-apart bars fixed normal to the rods on one side of the array forming a multitude of cavities between the bars and above the surface of the array. Filter media comprising crushed aggregate bound in a matrix of cured resin fills the cavities to just below the plane of the top edge of the bars.Filter apparatus is provided having a rigid filter bed and including a scraper blade to be moved above the filter bed in contact with the top surface thereof to lift portions of filter cake from the filter bed. The scraper blade includes means to apply a vacuum through a surface of the blade.A new filtering method applies vacuum to the portions of filter cake lifted by the scraper blade causing relatively rapid removal of filtrate therefrom and producing an incoherent mass of particles of relatively dry filtered material.
摘要翻译：过滤器元件由平行的间隔开的杆的阵列构成，多个间隔开的杆垂直于阵列的一侧上固定的棒，在杆之间形成多个空腔并且在阵列的表面之上。包含在固化树脂的基体中结合的破碎的聚集体的过滤介质将空腔填充到杆的顶部边缘的正下方。过滤装置设置有刚性过滤床，并且包括刮板，以在与其顶表面接触的位置上移动到过滤床上方以从过滤床提起部分滤饼。刮刀包括通过叶片的表面施加真空的装置。新的过滤方法对由刮刀提升的滤饼部分施加真空，导致滤液相对快速地除去，并产生相对干燥的过滤材料的非相干质量的颗粒。

3. 发明授权

US4692248A Drum filter with resin bound particulate filter media 失效
标题翻译：鼓式过滤器与树脂结合颗粒过滤介质
公开(公告)号：US4692248A
公开(公告)日：1987-09-08
申请号：US833000
申请日：1986-02-26
申请人： Forrest B. Stannard , Edward J. Highstreet
发明人： Forrest B. Stannard , Edward J. Highstreet
IPC分类号： B01D33/11 , B01D35/30 , B01D33/02
CPC分类号： B01D35/30 , B01D33/11 , B01D2201/204
摘要： Improved devices for filtration of fluid suspensions that form flow resistant filter cakes, e.g., waste-water treatment sludges, have a cylindrical filter unit mounted for rotation about an approximately horizontal axis. Influent is charged in one end, filter cake forms on an inner rigid filter media surface and discharges at the other end. Pressurized air is applied along a top, longitudinal area and vacuum assist is applied along a bottom longitudinal area of the rotating filter unit. In preferred embodiments, the cylindrical unit is formed of wire spirally wound into a cylinder with spaces therebetween, there are a plurality of spaced apart bars fixed normal to the helical wire on the inner surface and rigid filter media formed of particulate material bonded in a resin matrix fills the cavities between the bars and covers the wire spirals.
摘要翻译：用于过滤形成流动阻力过滤蛋糕（例如废水处理污泥）的流体悬浮液的改进的装置具有安装成围绕大致水平轴线旋转的圆柱形过滤器单元。流入物在一端充电，滤饼形成在内部刚性过滤介质表面上，并在另一端排出。沿着顶部纵向区域施加加压空气，沿着旋转过滤器单元的底部纵向区域施加真空辅助。在优选实施例中，圆柱形单元由螺旋地缠绕在其间具有间隔的圆柱体中的线形成，在内表面上具有垂直于螺旋线固定的多个间隔开的杆，并且由粘结在树脂中的颗粒材料形成的刚性过滤介质矩阵填充杆之间的空腔并覆盖线螺旋。

4. 发明授权

US4681689A V-shaped trough filters, rotary assemblies thereof and methods of filtering therewith 失效
标题翻译： V形槽式过滤器，其旋转组件及其过滤方法
公开(公告)号：US4681689A
公开(公告)日：1987-07-21
申请号：US833002
申请日：1986-02-26
申请人： Forrest B. Stannard , Edward J. Highstreet
发明人： Forrest B. Stannard , Edward J. Highstreet
IPC分类号： B01D33/00 , B01D33/08
CPC分类号： B01D33/25 , B01D33/155 , B01D33/463 , B01D33/72
摘要： Filter units for use in filtering liquid suspensions of material prone to form a filter cake resistant to continued flow of filtrate therethrough, e.g., wastewater treatment sludge, have a pair of planar sides arranged in a V-shape. Such sides are formed of rigid filter media, e.g., porous sheets of granular material bound in a resin matrix. Suspension to be filtered is charged into the trough and filtrate is drawn by vacuum through its porous sides. A plurality of such units are arranged side-by-side about a common center in a cylindrical assembly which can be rotated about such center at a predetermined rate to permit each unit to pass through a series of filtering steps to provide new filtering methods.
摘要翻译：用于过滤容易形成滤液的滤饼的液体悬浮液的过滤器单元（例如废水处理污泥）具有一定平面，其排列成V形。这些侧面由刚性过滤介质形成，例如结合在树脂基质中的多孔颗粒材料片。将待过滤的悬浮液装入槽中，滤液通过其多孔侧面的真空抽吸。多个这样的单元围绕圆柱形组件的公共中心并排布置，圆柱形组件可以以预定速率围绕这样的中心旋转，以允许每个单元通过一系列过滤步骤以提供新的过滤方法。

5. 发明授权

US4309292A Filtering methods 失效
标题翻译：过滤方法
公开(公告)号：US4309292A
公开(公告)日：1982-01-05
申请号：US110902
申请日：1980-01-10
申请人： Forrest B. Stannard , Edward J. Highstreet
发明人： Forrest B. Stannard , Edward J. Highstreet
IPC分类号： B01D24/46 , B01D29/00 , B01D39/20 , B01D23/24
CPC分类号： B01D39/2079 , B01D24/14 , B01D24/4621 , B01D2201/087
摘要： Filter apparatus for removing fine solids from aqueous effluents, e.g. waste water filtration, comprises horizontal upper and lower rigid filter plates formed of aggregate fixed in a matrix of cured organic resin defining therebetween a secondary filter zone containing loose filter media, first and second fluid confining chambers above and below said filter plates respectively from which liquid can flow through the filter plates, a vertical conduit for conducting liquid from beneath the lower filter plate for discharge into the first chamber through an opening in the upper filter plate, conduits for inlet and outlet of liquid to said secondary filter zone and second chamber and a sparger to spray wash water on the top surface of the upper filter plate. In a filtering mode, the liquid suspension to be filtered flows into the first chamber via said vertical conduit and then passes, in turn, through the upper filter plate, the filter zone, the lower filter plate and the second chamber to discharge therefrom. In a washing mode, wash water from the sparger cleans the filter cake from the upper filter plate forming a slurry that discharges from the apparatus via the vertical conduit. Wash water to cleanse the lower plate and the filter media in the secondary filter zone is introduced into the second chamber to flow, in turn, through the lower filter plate, the filter zone and the upper filter plate to discharge via the vertical conduit.
摘要翻译：用于从含水废水中除去细小固体的过滤装置，例如废水过滤包括由固定在固化的有机树脂基体中的聚集体形成的水平上下刚性过滤板，其中限定了固化有机树脂的基体，其间包含松散的过滤介质，在所述过滤板上方和下方的第一和第二流体封闭室，可以流过过滤板，用于从下过滤板下方导入液体的垂直管道，用于通过上过滤板中的开口排放到第一室中，用于将液体进入和排出到所述二级过滤区域和第二室的管道，以及喷雾器在上过滤板的顶表面上喷洒洗涤水。在过滤模式中，待过滤的液体悬浮液经由所述垂直导管流入第一室，然后又通过上过滤板，过滤区，下过滤板和第二室，以从其中排出。在洗涤模式中，从喷雾器洗涤水从上过滤板清洗滤饼，形成通过垂直导管从装置排出的浆料。洗涤水以清洁下部板，将二次过滤区域中的过滤介质引入第二室，并依次通过下部过滤板，过滤区域和上部过滤板，通过垂直导管排出。

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