Method and apparatus for recovering impurities from the surface of a liquid专利检索-液体污染物有毒废料污染与排放控制专利检索查询-专利查询网

Method and apparatus for recovering impurities from the surface of a liquid

阅读：455发布：2023-09-01

专利汇可以提供Method and apparatus for recovering impurities from the surface of a liquid专利检索，专利查询，专利分析的服务。并且Impurities are removed from the surface of a liquid by impinging an elongated fluid stream, preferably a gaseous stream, along a length of the surface and moving the impinging stream relative to the surface causing the impurities to move and concentrate in advance of the impinging action of the stream, and thereafter isolating the concentrated mass of impurities. An apparatus is also provided suitable for traversing a body of water and recovering impurities, such as oil and the like from its surface. A preferred apparatus includes a vessel having a pair of elongated booms which are adapted to extend forwardly and outwardly of the motion of the vessel. Each boom extends above the water and carries nozzles which are adapted for form a substantially continuous elongated gaseous stream for impinging upon the water between the booms to thereby concentrate floating impurities between the booms. In addition, the vessel is provided with impurity inlet means between the booms for collecting the concentrated impurities from the water.，下面是Method and apparatus for recovering impurities from the surface of a liquid专利的具体信息内容。

权利要求

2. An apparatus for removing impurities from the surface of a liquid comprising: a. a floating vessel; b. elongated boom means extending from said vessel above the surface of said liquid and adapted to extend outwardly and forwardly of the direction of movement of said vessel; c. nozzle means positioned along the lower portion of said boom adjacent said water for directing an elongated substantially continuous curtain of gas thereto; d. a separation tank means; and e. inlet means for said separation tank disposed on said vessel adjacent the attachment of said boom means and comprising a substantially flat weir member extending from the lower portion thereof substantially parallel with but below the surface of said liquid, and opposed nozzle means positioned above said weir member for directing a substantially continuous curtain of gas across said weir in the direction of said inlet.

3. The apparatus of claim 2 wherein said weir member is movably mounted in a vertical plane to control the opening of said inlet means.

4. A method of removing floating impurities from the surface of a liquid comprising: a. impinging a pair of spaced, opposed, and diverging gaseous curtains upon the surface of said liquid; b. simultaneously moving said gaseous curtains in the direction of said impurities, thereby causing said impurities to concentrate between said gaseous curtains; and c. collecting said concentrated impurities as said gaseous curtain moves.

5. The method of claim 4 wherein said gaseous curtains comprise elongated air streams.

6. The method of claim 4 wherein said gaseous curtains are emitted from thin, elongated nozzle slots.

7. The method of claim 4 wherein each of said gaseous curtains impinges upon the surface of said liquid at an angle in the range of 45* to 75* thereto.

8. The method of claim 4 wherein said collecting comprises passing said concentrated impurities while floating on the surface of said liquid to the interior of a separation vessel.

9. The method of claim 8 wherein said impurities are passed into said separation vessel through an inlet zone comprising a flattened inlet surface positioned substantially parallel but below the surface of the liquid carrying said impurities, and having a gas curtain stream impinging thereon across the width of said inlet surface in the direction of said separation vessel to enhance the flow therein and prevent backflow therefrom.

10. The method of claim 9 wherein said gas curtain stream comprises an airstream.

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Method and apparatus for recovering impurities from the surface of a liquid

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