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    • 71. 发明授权
    • Ultraviolet light irradiated ebullating mass transfer system
    • 紫外光照射沸腾传质系统
    • US5861123A
    • 1999-01-19
    • US638042
    • 1996-04-26
    • Kenneth C. Schifftner
    • Kenneth C. Schifftner
    • A61L2/10A61L9/18B01D53/00B01D53/18B01J19/12C02F1/32B01J8/42
    • B01D53/18A61L2/10A61L9/18B01D53/007B01J19/123C02F1/325C02F2201/3228C02F2201/324
    • A mass transfer system for decontaminating a contaminated liquid or gas stream. The system includes a container with a liquid inlet, a liquid outlet, a gas inlet and a gas outlet. The container is adapted to channel a liquid stream from the liquid inlet to the liquid outlet. The vessel is also adapted to channel a gas stream from the gas inlet to the gas outlet. At least one grid is mounted within the container and is positioned within the gas and liquid streams. The grid has a plurality of apertures formed therein which are adapted to disperse the gas flow as it passes through the grid. The dispersion of the gas flow generates a fluidized bed within the container. The grid is preferably parabolic in shape. A light assembly is mounted on the container and has a light emitting unit positioned so as to emit light into the container. The light irradiates at least one of the streams flowing therein. The configuration of the system is designed to cause the mixture of the gas stream and liquid streams to become turbulent, thereby increasing the liquid surface area. The light emitting unit is positioned so as to irradiate the two turbulent fluid flows so as to catalyze a chemical reaction. In one embodiment, an oxidant is added to one of the streams which, when irradiated by the ultraviolet light, produces hydroxyl radicals which chemically react with the contaminants in the stream.
    • 用于净化污染液体或气流的传质系统。 该系统包括具有液体入口,液体出口,气体入口和气体出口的容器。 容器适于将液体流从液体入口引导到液体出口。 容器还适于将气流从气体入口引导到气体出口。 至少一个格栅安装在容器内并且位于气体和液体流中。 格栅具有形成在其中的多个孔,其适于在气流通过栅格时分散气流。 气流的分散在容器内产生流化床。 网格最好是抛物线形。 灯组件安装在容器上并具有发光单元,其定位成将光发射到容器中。 光照射流过其中的至少一个流。 该系统的结构被设计成使得气流和液流的混合物变得湍流,从而增加了液面积。 发光单元被定位成照射两个湍流流体以催化化学反应。 在一个实施方案中,将氧化剂加入到一个流中,当被紫外光照射时,产生与流中的污染物发生化学反应的羟基自由基。
    • 72. 发明授权
    • Treatment of fluids with electromagnetic radiation
    • 用电磁辐射处理液体
    • US5832361A
    • 1998-11-03
    • US609731
    • 1996-03-01
    • Todd Leon Foret
    • Todd Leon Foret
    • A61L2/08B01J19/12C01B7/07C02F1/32B01J19/08
    • C01B7/0743A61L2/08B01J19/12C02F1/325B01J2219/0877C02F2201/324
    • A device is provided for irradiating a fluid containing molecules subject to photolytic fission within a conduit, wherein the conduit includes a first opening and a longitudinal axis, the device comprising a valve fluidically connected to the first opening, the valve having a passageway leading to a second opening; a first optical member sealing the second opening; and an electromagnetic radiation (EMR) source positioned relative to the first optical member such that the EMR is directed, preferably along the longitudinal axis, through the first optical member and the passageway and into the conduit when the valve is an open position; wherein the first optical member is constructed from a material which is permeable to the EMR. The EMR source is preferably adapted to emit EMR at a wavelength sufficient to cause photolytic fission of the selected molecules in the fluid, and more preferably adapted to emit EMR at a wavelength sufficient to cause photolytic fission of nitrogen trichloride, diatomic chlorine, or both. Also, an air purging device is optionally provided near the valve so that fluid may be purged from the vicinity of the first optical member when the valve is being closed. Additional optical members, such as a filter, may be optionally disposed between the first optical member and the EMR source.
    • 提供了一种用于在管道内照射含有受光解裂纹的分子的流体的装置,其中导管包括第一开口和纵向轴线,该装置包括流体连接到第一开口的阀,该阀具有通向 第二次开放 密封所述第二开口的第一光学构件; 以及相对于所述第一光学构件定位的电磁辐射源(EMR),使得当所述阀是打开位置时,所述EMR优选地沿着所述纵向轴线被引导通过所述第一光学构件和所述通道并进入所述导管中; 其中所述第一光学构件由对EMR可渗透的材料构成。 优选地,EMR源适于以足以引起流体中所选择的分子的光裂解的波长发射EMR,并且更优选地适于以足以引起三氯化氮,双原子氯或两者的光解裂的波长发射EMR。 此外,可选地,在阀附近设置有空气净化装置,使得当阀门关闭时可以从第一光学构件的附近清洗流体。 附加的光学构件,例如过滤器,可以任选地设置在第一光学构件和EMR源之间。
    • 74. 发明授权
    • Wiper assembly for ultraviolet-light reactor tubes
    • 紫外线反应管用雨刮器组件
    • US5440131A
    • 1995-08-08
    • US278407
    • 1994-07-21
    • Joseph A. HutchisonPaul T. Schertz
    • Joseph A. HutchisonPaul T. Schertz
    • A61L2/10B08B9/02B08B17/02C02F1/32
    • B08B9/023A61L2/10B08B17/02C02F1/325C02F2201/3227C02F2201/324
    • A wiper assembly is provided for cleaning the reactor tubes of an ultraviolet-light reactor. The wiper assembly is positioned inside a reactor chamber of the ultraviolet-light reactor. The wiper assembly includes a wiper that has a circular opening sufficiently large to accommodate a reactor tube. A wiper blade is formed on the wiper circumferential of the opening and being deflected such that when the reactor tube is positioned through the opening, the blade engages the outer surface of the reactor tube. The wiper is formed of a plastic material. The wiper is connected to a platform positioned within the reactor chamber. The platform supports the wiper in the reactor chamber such that the reactor tube extends through the opening in the wiper. According to one aspect of the invention, at least one rod is connected to the platform. The rod extends out of the reactor chamber. The rod can be moved from outside the reactor chamber for mechanically reciprocating the platform along the length of the reactor tube in the chamber, whereby, the wiper blade slides along the outer surface of the reactor tube to wipe off at least some of the fouling that may have accumulated on the outer surface of the reactor tube. According to another aspect of the invention, the platform is supported by a plurality of floats to move with the fluid level in the reactor chamber.
    • 提供了用于清洁紫外光反应堆的反应器管的刮水器组件。 刮水器组件位于紫外光反应堆的反应室内。 刮水器组件包括具有足够大的圆形开口以容纳反应器管的刮水器。 刮水器叶片形成在开口的擦拭器圆周上并被偏转,使得当反应器管通过开口定位时,叶片接合反应器管的外表面。 擦拭器由塑料材料形成。 刮水器连接到位于反应器室内的平台上。 平台支撑反应器室中的刮水器,使得反应器管延伸穿过刮水器中的开口。 根据本发明的一个方面,至少一个杆连接到平台。 杆延伸出反应室。 杆可以从反应器室的外部移动,用于沿着室中的反应器管的长度使平台机械地往复移动,由此,刮水片沿着反应器管的外表面滑动以擦除至少一些污垢, 可能积聚在反应器管的外表面上。 根据本发明的另一方面,平台由多个浮子支撑,以随着反应器室中的液面移动。
    • 75. 发明授权
    • Wiper mechanism
    • 刮水机构
    • US4922114A
    • 1990-05-01
    • US360098
    • 1989-06-01
    • Hilary Boehme
    • Hilary Boehme
    • A61L2/10C02F1/32
    • C02F1/325A61L2/10C02F2201/324
    • A liquid purification system comprising a housing with inlet and outlet for the flow of the liquid to be purified. A source of ultraviolet is mounted within the housing surrounded by a sleeve of ultraviolet-transmissive material such as quartz. A rod mounted for reciprocal movement is mounted in the housing and extends out of the housing. On the rod is mounted wiper assemblies each one of which consists of tear-shaped plate to surround the sleeve, a washer of suitable material on the plate to make contact with the sleeve for wiping the outer surface of the sleeve as the rod is reciprocated, and a securing device to hold the washer in place. Pins with press-on nuts are employed to sandwich each wiper assembly together.
    • 一种液体净化系统,包括具有用于待净化液体流动的入口和出口的壳体。 紫外线源安装在由诸如石英的紫外线透射材料的套筒包围的壳体内。 安装用于往复运动的杆安装在壳体中并延伸出壳体。 在杆上安装有刮水器组件,其中每一个由围绕套筒的撕裂板组成,板上具有合适材料的垫圈,以与套筒接触以在杆往复运动时擦拭套筒的外表面, 以及用于将垫圈固定就位的固定装置。 使用带有压紧螺母的销钉将每个刮水器组件夹在一起。
    • 80. 发明授权
    • Fail-safe water purifying apparatus
    • 失效安全水净化设备
    • US3562520A
    • 1971-02-09
    • US3562520D
    • 1968-11-04
    • PURETEST WATER PURIFYING CO
    • HIPPEN RALPH W
    • A61L2/10C02F1/32
    • C02F1/325A61L2/10C02F2201/3223C02F2201/324
    • Apparatus for the purification of liquid, such as water, by exposing the same to ultraviolet lamp, embodying means forming an annular passageway through which water may flow in surrounding relation to an electric lamp of a type producing ultraviolet light and ultraviolet light-responsive means for shutting off the flow of water therethrough in response to a decrease in the intensity of the ultraviolet light passing through the water when such intensity falls below a predetermined value. The apparatus includes a protective tube of quartz glass surrounding the ultraviolet lamp and wiper means movable in response to the turning off and on of the flow of water through the apparatus to wipe the external surface of the quartz tube. Means is also provided for preventing the formation of clouded areas on the glass of the lamp due to the positioning of the wiper means at one location surrounding the lamp during long periods of nonoperation of the wiper means while the lamp is on. Means is provided for preventing the wiper means from interferring with the flow of ultraviolet light flowing to the light responsive means by which the flow of water is cut off.