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1. 发明授权

US4670150A Cross-flow microfiltration lime softener 失效
标题翻译：交叉流微量石灰软化剂
公开(公告)号：US4670150A
公开(公告)日：1987-06-02
申请号：US790651
申请日：1985-10-24
申请人： Andrew K. Hsiung , Daniel L. Comstock , Robert D. Hagen
发明人： Andrew K. Hsiung , Daniel L. Comstock , Robert D. Hagen
IPC分类号： C02F1/00 , C02F5/02 , C02F5/06 , G01N1/10 , C02F1/54
CPC分类号： C02F5/02 , B01D61/147 , B01D63/062 , B01D2315/10 , B01D2317/04
摘要： A method for softening a fluid containing hardness constituents, comprising the steps of: (a) mixing the fluid with sufficient amounts of a softening agent, and previously precipitated hardness constituents in a reactor to establish a softening reaction in the reactor for precipitating a substantial portion of the hardness constituents contained in the fluid; (b) removing a portion of the fluid and precipitated hardness constituents from the reactor as a slurry and filtering the slurry through a cross-flow microfiltration module containing at least one elongated filtration tube, whereby substantially all of the precipitated hardness constituents are removed from the portion of the fluid exiting from the module as filtrate; and (c) returning at least a portion of the filtered out precipitated hardness constiuents exiting from the module to the reactor as the previously precipitated hardness constituents.
摘要翻译：一种用于软化含有硬度成分的流体的方法，包括以下步骤：（a）将混合流体与足量的软化剂和预先沉淀的硬度组分在反应器中以在反应器中建立软化反应，以沉淀出大部分包含在流体中的硬度成分; （b）作为浆料从反应器中去除一部分流体并沉淀出硬度成分，并通过包含至少一个细长过滤管的交叉流微量过滤组件过滤浆料，从而将基本上所有沉淀的硬度成分从从模块中排出的部分流体作为滤液; 和（c）将从模块排出的至少一部分过滤出的沉淀硬度组分作为先前沉淀的硬度组分返回到反应器。

2. 发明授权

US4608181A Water filtration apparatus having upflow buoyant media filter and downflow nonbuoyant media filter 失效
标题翻译：水过滤装置具有向上流动的浮力介质过滤器和下流式非空气介质过滤器
公开(公告)号：US4608181A
公开(公告)日：1986-08-26
申请号：US732892
申请日：1985-05-08
申请人： Andrew K. Hsiung , George F. Eaton , Brian W. Hemphill
发明人： Andrew K. Hsiung , George F. Eaton , Brian W. Hemphill
IPC分类号： B01D24/00 , B01D37/03 , B01D23/10
CPC分类号： B01D37/03 , B01D24/007 , B01D2201/14
摘要： A water filtration system is provided by an upflow filter vessel containing a buoyant filter media in series with a downstream downflow filter vessel containing a nonbuoyant filter media. The buoyant media filter vessel and nonbuoyant media filter vessel comprise two compartments of a common tank, separated by a central wall. Water from the upflow filter vessel passes over the top of this wall, or through one or more openings in this wall, to the downflow filter vessel. A common waste trough extends from one end of the tank to the other. Weir plates are fastened to the upper edges of this trough such that the trough steps upwardly in elevation at the central wall. Waste materials from the upflow filter vessel pass over the lower of these weir plates and into the waste trough during cleaning of the buoyant media filter. In contrast, waste materials from the nonbuoyant media filter flow over the upper weir plates and into the trough during cleaning of this latter filter. An adjustment mechanism, such as adjustable weir plates, are provided for adjusting the size of the openings through the central wall to minimize the passage of waste materials from the upflow filter vessel through the opening to the downflow filter vessel during cleaning of the buoyant media filter bed. In addition, a gate may be provided for selectively closing the openings during cleaning of the buoyant media filter to further minimize the pass through of waste material during cleaning of the buoyant media filter.
摘要翻译：水过滤系统由上流式过滤容器提供，该过滤容器含有与包含非繁杂过滤介质的下游下流式过滤容器串联的浮力过滤介质。浮力介质过滤器容器和非装载介质过滤器容器包括由中心壁分开的两个共用罐室。来自上流过滤器容器的水通过该壁的顶部，或者通过该壁中的一个或多个开口到达下流过滤器容器。常见的废物槽从罐的一端延伸到另一端。堰板固定在该槽的上边缘处，使得槽在中心壁处向上升高。来自上流过滤器容器的废料在漂浮介质过滤器的清洁过程中通过这些堰板的下部并进入废物槽。相比之下，来自非吸收性介质过滤器的废料在清洁后一种过滤器时流过上堰板并进入槽中。提供诸如可调堰板的调节机构，用于调节通过中心壁的开口的尺寸，以最小化清洁浮子介质过滤器期间废料从上流过滤器容器通过开口到下流过滤器容器的通过床。此外，可以提供一个浇口，用于在清洁浮力介质过滤器期间选择性地关闭开口，以在净化浮力介质过滤器期间进一步最小化废料通过。

3. 发明授权

US4547286A Water filtration process and apparatus having upflow filter with buoyant filter media and downflow filter with nonbuoyant filter media 失效
标题翻译：水过滤过程和装置具有带浮力过滤介质的上流过滤器和带有非过滤介质的下流过滤器
公开(公告)号：US4547286A
公开(公告)日：1985-10-15
申请号：US465524
申请日：1983-02-10
申请人： Andrew K. Hsiung
发明人： Andrew K. Hsiung
IPC分类号： B01D24/00 , B01D24/16 , B01D24/18 , B01D24/26 , B01D36/04 , B01D37/00
CPC分类号： B01D36/04 , B01D24/002 , B01D24/167 , B01D24/18 , B01D24/26 , B01D2201/14
摘要： High rate filtration system includes an upflow filter vessel containing a bed of buoyant media followed by a downflow filter vessel containing a bed of nonbuoyant media. The upflow filter vessel is unobstructed by cross-sectional, media-confining screens. A horizontal trough structure collects filter effluent and makes it possible to clean the bed by diffusing air into the liquid below the bed so that average fluid density in the bed is reduced. The reduction in fluid density results in expansion of the bed as media particles descend by gravity.
摘要翻译：高速过滤系统包括一个含有浮力介质床的上流式过滤器容器，随后是一个含有非繁殖介质床的下流式过滤容器。上流过滤器容器不受横截面，介质限制屏幕的阻碍。水平槽结构收集过滤流出物，并且可以通过将空气扩散到床下方的液体中来清洁床，使得床中的平均流体密度降低。当介质颗粒通过重力下降时，流体密度的降低导致床的膨胀。

4. 发明授权

US5122287A Filtration system 失效
标题翻译：过滤系统
公开(公告)号：US5122287A
公开(公告)日：1992-06-16
申请号：US604823
申请日：1990-10-26
申请人： Andrew K. Hsiung
发明人： Andrew K. Hsiung
IPC分类号： B01D24/00
CPC分类号： B01D24/007 , B01D2201/14 , B01D2201/188
摘要： The filtration system provides a long horizontal flow path through buoyant filter media. The filter media is contained in a vessel and the relationship between the water level in the vessel and the amount of filter media is such that the media extends completely across the horizontal flow path of the water during the filtration mode of operation. The system is configured so that the buoyant media volume expands during a cleansing mode of operation.
摘要翻译：过滤系统通过浮力过滤介质提供长的水平流动路径。过滤介质包含在容器中，并且容器中的水位与过滤介质的量之间的关系使得介质在过滤操作模式期间完全延伸穿过水的水平流动路径。该系统被配置为使得在清洁操作模式期间浮力介质体积膨胀。

5. 发明授权

US4199451A Split flow water treatment plant 失效
标题翻译：分流水处理厂
公开(公告)号：US4199451A
公开(公告)日：1980-04-22
申请号：US968088
申请日：1978-12-11
申请人： Andrew K. Hsiung , George F. Eaton
发明人： Andrew K. Hsiung , George F. Eaton
IPC分类号： B01D21/00 , B01D21/01
CPC分类号： B01D21/0012 , B01D21/0018 , B01D21/003 , B01D21/0051 , B01D21/08 , B01D21/286 , B01D21/34
摘要： A split flow water treatment plant includes a settling basin comprising a pair of banks of generally horizontally extending settling tubes and an inlet baffle comprising a plurality of parallel vertical perforated sheets upstream of and adjacent to each of the banks. An inclined diverting plate extends from the downstream end of the lowermost tube in the first of the banks to the upper upstream end of the inlet baffle adjacent the second bank. The distribution of flow between the banks may be regulated by an adjustable weir or by water level control.
摘要翻译：分流式水处理设备包括沉淀池，其包括一对大致水平延伸的沉降管和一个入口挡板，入口挡板包括在每个堤岸上游并与其相邻的多个平行的垂直穿孔板。倾斜的转向板从第一组中的最下面的管的下游端延伸到与第二组相邻的入口挡板的上游上游端。银行之间的流量分布可以通过可调堰或通过水位控制进行调节。

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