Selectively removable sludge filtration system and method
    31.
    发明授权
    Selectively removable sludge filtration system and method 失效
    选择性可除污污泥过滤系统及方法

    公开(公告)号:US5681460A

    公开(公告)日:1997-10-28

    申请号:US533399

    申请日:1995-09-25

    CPC classification number: B01D29/15 B01D2201/10 B01D2201/26

    Abstract: A selectively removable sludge filtration system that provides for retrofit into a container and separation of the sludge solids from the sludge liquids therein. A pair of spaced vertically oriented filter assemblies each define a filtrate cavity therein and are connected by separator plates. The filter assemblies permit the flow of sludge liquids into the filtrate cavity, but not sludge solids. A set of fasteners hold the filter assemblies in the container and bias the filter assemblies against the container bottom. The fasteners may be released to provide for removal of the sludge filtration system from the container. A fluid communication passageway directs filtrate from the filtrate cavity to a position exterior of the container. Functionally applying this sludge filtration system provides a method of retrofitting a container with a sludge filtration system and removing filtrate from a sludge in the container.

    Abstract translation: 一种选择性可移除的污泥过滤系统,其提供改造为容器并将污泥固体与其中的污泥液体分离。 一对间隔开的垂直取向的过滤器组件在其中限定滤液空腔,并通过分隔板连接。 过滤器组件允许污泥液体流入滤液腔,但不允许污泥固体。 一组紧固件将过滤器组件固定在容器中并将过滤器组件偏压抵靠容器底部。 紧固件可以被释放以提供从容器中去除污泥过滤系统。 流体连通通道将滤液从滤液腔引导到容器外部的位置。 功能性地应用该污泥过滤系统提供了一种用污泥过滤系统改造容器的方法,并从容器中的污泥中除去滤液。

    Divided phase separator for liquid/solid seperation in sludge
    32.
    发明授权
    Divided phase separator for liquid/solid seperation in sludge 失效
    用于污泥液/固分离的分相分离器

    公开(公告)号:US5589081A

    公开(公告)日:1996-12-31

    申请号:US584555

    申请日:1996-01-11

    Inventor: Ronald B. Harris

    CPC classification number: B01D35/30 B01D29/23 B01D2201/10

    Abstract: A suitable liquid-solid separator tank having a bed with a drain, surrounding sides and a dividing wall. A grate overlays the interior of the vessel, bed, and sides, and forms the dividing wall. A filter overlays the grate, extending up the sides and overlapping the side grate and covering the dividing wall. The separator is filled with a sludge which is then separated from the liquid it contains by gravity and hydrostatic pressure which force the liquid through the filter. Liquid is drained out of the bottom of the vessel and the solids are transported within the vessel. The solids are removed through a gate that may be provided in the tank, or by using a hydraulic lift system in much the same manner as a garbage truck empties a municipal dumpster. The filter is removed with the solids and usually discarded.

    Abstract translation: 一种合适的液固分离罐,其具有带有排水口,围绕侧面和分隔壁的床。 格栅覆盖了船只,床和侧面的内部,形成了分隔壁。 过滤器覆盖格栅,向上延伸,并与侧格栅重叠并覆盖分隔壁。 分离器充满污泥,然后通过重力和流体静力学压力将液体分离出来,迫使液体通过过滤器。 液体从容器的底部排出,固体在容器内运输。 固体通过可以设置在罐中的闸门或通过使用液压提升系统以与垃圾车清空市政垃圾箱大致相同的方式被移除。 过滤器用固体除去,通常被丢弃。

    Skimming device for swimming pools
    33.
    发明授权
    Skimming device for swimming pools 失效
    游泳池撇水装置

    公开(公告)号:US5277801A

    公开(公告)日:1994-01-11

    申请号:US999691

    申请日:1992-12-28

    Inventor: Philip Lundquist

    CPC classification number: B01D35/027 B01D29/27 E04H4/1254 B01D2201/10

    Abstract: The invention relates to a device used in conjunction with a swimming pool, especially an aboveground pool for skimming debris floating on the surface of the water, catching the debris in a pocket formed in a net made of a mesh material, and then removing the debris from the pool. A pole is detachably mounted to the side of the pool, and extends inwardly toward the center of the pool. The mesh net is disposed over the pole and depends downwardly below the surface of the water. The end of the net distant from the pole receives a rod which weighs the net down and keeps it below the water level. The lower portion of the net is then folded upward to some distance below the water level and the two vertical edges of the net are then sealed together thereby forming a pocket for catching the debris.

    Abstract translation: 本发明涉及一种与游泳池结合使用的装置,特别是用于撇去浮在水面上的碎屑的地上池,将碎片捕获在由网状材料制成的网中形成的口袋中,然后除去碎屑 从游泳池。 杆可拆卸地安装在游泳池的侧面,向内朝池的中心延伸。 网状网布置在极柱上方,并向下靠在水面上。 远离杆的网的端部接收一个称重网的杆,并将其保持在水位以下。 然后将网的下部向上折叠到水位以下一定距离,然后将网的两个垂直边缘密封在一起,从而形成用于捕获碎片的口袋。

    Filtration, drainage, and drying apparatus for deliquification of sludges
    35.
    发明授权
    Filtration, drainage, and drying apparatus for deliquification of sludges 失效
    用于污泥脱水的过滤,排水和干燥设备

    公开(公告)号:US5021157A

    公开(公告)日:1991-06-04

    申请号:US478614

    申请日:1990-02-12

    CPC classification number: B01D39/14 B01D29/05 B01D2201/10

    Abstract: An improved continuous, smooth, porous, rigid surface is supported by an array of shaped, porous, support blocks mounted on an impervious planar foundation and surrounded by bi-functional containment walls to form a gravity filtration and drainage apparatus. The particular shape of the support blocks in contact with the foundation creates a plurality of parallel flumes, the center-lines of which align with the slope, if any, of the plane to facilitate drainage to contiguous drainage ditches. Accessibility of these drainage flumes at both ends of the overall structure provide for inspection, flushing, and purging of the overlying filter surface to assure functionality by simplified maintenance procedures. The drainage apparatus can be attached to an impervious evaporation surface, on which residual solids harvested from the surface of the drainage apparatus are deposited and periodically manipulated for further accelerated dewatering by evaporation.

    Abstract translation: 改进的连续,光滑,多孔的刚性表面由安装在不透水平面基底上并被双功能容纳壁包围以形成重力过滤和排水装置的成形的,多孔的支撑块的阵列支撑。 与基座接触的支撑块的特定形状产生多个平行的水槽,其中心线与该平面的斜面(如果有的话)一致,以便排放到连续的排水沟。 整个结构两端的这些排水槽的可及性可以检查,冲洗和清洗上覆的过滤器表面,以通过简化维护程序确保功能。 排水装置可以附接到不透水的蒸发表面上,在该蒸发表面上沉积从排水装置的表面收集的残留固体,并周期性地操作,以便通过蒸发进一步加速脱水。

    Screening apparatus having a screen grid with a plurality of
exchangeable screen elements
    36.
    发明授权
    Screening apparatus having a screen grid with a plurality of exchangeable screen elements 失效
    筛选装置具有具有多个可更换屏幕元件的筛网

    公开(公告)号:US4960510A

    公开(公告)日:1990-10-02

    申请号:US205885

    申请日:1988-06-13

    Applicant: Kurt Wolff

    Inventor: Kurt Wolff

    Abstract: A screening apparatus has a screen grid including plurality of exchangeable elements, each having a screen surface with sieve openings. The screen elements are placed in direct contact with each other to form a continuous screen, sifting surface and are removably connected through separators on intermediate cross-pieces. The separators are connected to the bottoms of the screen elements and extend at such a distance beyond the underside of screen surface so as to form an inwardly facing open passage space for sifted material below the screen, sifting surface in the area of connection of the screen elements to the separators such that the active sifting surface extends to the area of the supported marginal zones.

    Abstract translation: 筛选装置具有包括多个可更换元件的筛网,每个可更换元件具有带有筛孔的筛面。 屏幕元件被放置成彼此直接接触以形成连续的筛网筛选表面,并通过中间横截面上的分离器可移除地连接。 分离器连接到屏幕元件的底部并且延伸超过屏幕表面的下侧,以便在屏幕下方形成用于筛网的材料的面向内的开放通道空间,筛网在筛网的连接区域中筛分表面 元件到分离器,使得主动筛选表面延伸到被支撑的边缘区域的区域。

    Sludge dewatering system
    37.
    发明授权
    Sludge dewatering system 失效
    污泥脱水系统

    公开(公告)号:US4481114A

    公开(公告)日:1984-11-06

    申请号:US493146

    申请日:1983-05-09

    Inventor: Morris M. Riise

    Abstract: A system for the rapid dewatering of sludge in large quantities makes use of a filter plate of design and construction capable of supporting heavy mechanized mobile equipment and without damage to the filter media. The filter plate features a monolithic plate of granular filter material used as the filtering medium in sludge beds for dewatering or reducing residual solids or sludge of potable water treatment systems. The filter material is made structurally rugged and with a smooth hard surface for the retention of sludge solids. The filter material is supported upon a substructure of aggregate providing approximately 40% internal voids for the gravity flow or drainage of filtrate and the back flow of chemicals and gases used in the rapid water reduction process. The assemblage is constructed of such strength as to allow for use of heavy handling equipment such as front end loaders in the removal of the dried sludge or cake upon the completion of the rapid water reduction process. The process follows a cyclical pattern on adjacent sludge beds where raw sewage is pretreated with a polymer coagulant to break up solids to flocculate the sludge particles and spread on the filter bed as the filter bed is being filled. Large coagulated sludge particles gain weight as they settle and water is drawn off by gravity while a bed is being filled to the desired designed level. Smaller sludge particles pass to the voids below by a vacuum of 10 to 15 inches when the vacuum is applied, to start the rapid dewatering process through the larger flocculated sludge particles and the mass may be periodically moved and heated while dewatering progresses. Upon completion of dewatering, one or more units of front end loading equipment is used to move the dried sludge cake into heaps and load it into trucks for transport to disposal sites.

    Abstract translation: 用于大量污泥快速脱水的系统使用能够支撑重型机械化移动设备并且不损坏过滤介质的设计和结构的过滤板。 过滤板具有颗粒过滤材料的整体板,用作污泥床中的过滤介质,用于脱水或减少残留固体或饮用水处理系统的污泥。 过滤材料结构坚固,具有光滑的硬表面,用于保留污泥固体。 过滤材料支撑在骨料的底部结构上,为重力流动或滤液排放提供大约40%的内部空隙,并且在快速减水过程中使用的化学物质和气体的回流。 该组合体具有这样的强度,以便在快速减水过程完成时允许使用诸如前端装载机的重型搬运设备来去除干燥的污泥或滤饼。 该过程遵循相邻污泥床上的周期性模式,其中原料污水用聚合物凝结剂预处理以分解固体以絮凝污泥颗粒并在过滤床被填充时扩散在过滤床上。 大型凝结污泥颗粒随着沉降物的重量增加,水被重力排出,而床被填充到所需的设计水平。 当施加真空时,较小的污泥颗粒通过10至15英寸的真空传递到下面的空隙中,以通过较大的絮凝的污泥颗粒开始快速脱水过程,并且可以在进行脱水的同时周期性地移动和加热该质量。 脱水完成后,使用一台或多台前端装载设备将干燥的污泥块移动到堆中并将其装载到卡车中运输到处置场所。

    Purification
    38.
    发明授权
    Purification 失效
    纯化

    公开(公告)号:US3695434A

    公开(公告)日:1972-10-03

    申请号:US3695434D

    申请日:1970-08-28

    Abstract: A method of purifying bodies of water in the preferred embodiment of which a reservoir of purified water is prepared from a natural body of water by constructing a prefiltering levee through the water to segregate the reservoir area from the remainder of the water body, pumping water from the reservoir area into the remainder, cleaning the floor of the reservoir area if necessary, installing a water purification unit in the reservoir, and then allowing the water to filter through the levee from the remainder of the water body into the reservoir for continuous further purification and recirculation by the installed unit. The water purification unit includes a mixing chamber, a filtering chamber skimming means for intaking surface water into the mixing chamber, submerged inlets for intaking water into the mixing chamber from below the water''surface, a pump for passing water from the mixing chamber through the filtering chamber, and outlet means for passing the filtered water directly back to the reservoir. The preferred skimming means comprises a mobile skimming gutter to insure a constant intake of surface water at various reservoir water levels and a submersible pump is preferably positioned in the mixing chamber to force the mixed water through one or more filter cells provided in the filtering chamber. The outlet means are preferably disposed to set up recirculation currents using the earthrotation effect, and means are also provided for backwashing the filter cells. To insure that the pump does not run dry, the submerged inlet flow is preferably float modulated to provide the full capacity of the pump if the skimmed flow is temporarily reduced. Various purifying chemicals may be added to the processed water in its passage through the unit, and in a modified form of the invention, a portion of the purified water is passed back to the remainder of the water body for progressive purification thereof thereof.

    Abstract translation: 在优选实施例中净化水体的方法,其中通过在水中通过构造预过滤堤从水体的其余部分分离储存区域,从天然水体制备净水的储存器,将水从 储存区进入剩余部分,如果需要清洁储存区域的地板,在储存器中安装水净化单元,然后允许水通过堤坝从剩余的水体过滤到储存器中,用于连续进一步净化 并由安装的单元循环。 水净化单元包括混合室,用于将表面水进入混合室的过滤室撇渣装置,用于从水面以下将水从混合室吸入混合室的淹没入口,用于使来自混合室的水通过 过滤室和用于将过滤的水直接返回到储存器的出口装置。 优选的撇取装置包括移动撇水槽,以确保在各种储存水位下恒定地吸入地表水,并且潜水泵优选地定位在混合室中,以迫使混合水通过设置在过滤室中的一个或多个过滤池。 出口装置优选地设置成使用地球+旋转效应建立再循环电流,并且还提供用于反洗过滤器单元的装置。 为了确保泵不运行干燥,浸入式入口流优选是浮动调制的,以便如果撇去的流被暂时减小,则提供泵的全部容量。 可以在加工水中通过单元加入各种净化剂,在本发明的改进形式中,将一部分净化水返回到水体的其余部分,以逐步净化。

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