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    • 8. 发明授权
    • Mobile granular bed filtration apparatus for hot gas conditioning
    • 用于热气调节的流动颗粒床过滤装置
    • US06436161B1
    • 2002-08-20
    • US09972684
    • 2001-10-05
    • Nicolas AbatzoglouJacques BureauAca MincicEsteban Chornet
    • Nicolas AbatzoglouJacques BureauAca MincicEsteban Chornet
    • B01D5306
    • B01D50/002B01D46/38B01D2273/20
    • Provided herein is a granular filtration apparatus for the removal of particulate material from hot gas by contacting said hot gas with granular filtration material. The apparatus being of the type having a filtration chamber containing granular filtration material and having a tapered lower portion comprising at least one inlet tubing for feeding therein hot gases to be filtered and at least one outlet tubing for drawing filtered hot gas. The main feature of the present invention consists in a filtration unit mounted in the filtration chamber above each inlet tubing. The filtration unit comprising a first tubular member mounted above the inlet tubing so as to prevent granular material from entering or blocking said inlet tubing and a second tubular member having a bottom and a top end and being mounted essentially in a co-axial and spaced relationship above the first tubular member. During operation, the granular filtration material is siphoned up and fluidized by the hot gases as they travel up the second tubular member, the granular filtration material enters the bottom end of the second tubular member through the space between the first and second tubular member, exits at the top end of the of the second tubular member and falls outside the second tubular member and towards the tapered lower portion of the filtration chamber to be eventually recirculated and fluidized by the hot gases.
    • 本文提供了一种颗粒过滤装置,用于通过使所述热气与颗粒过滤材料接触来从热气中除去颗粒材料。 该装置是具有包含颗粒状过滤材料的过滤室并具有锥形下部的类型的装置,该下部具有至少一个入口管,用于在其中供给待过滤的热气体和至少一个用于抽出过滤的热气体的出口管。 本发明的主要特征在于安装在每个入口管上方的过滤室中的过滤单元。 过滤单元包括安装在入口管上方的第一管状构件,以防止颗粒材料进入或阻塞所述入口管,以及具有底部和顶端并基本上以同轴和间隔关系安装的第二管状构件 在第一管状构件上方。 在操作期间,颗粒状过滤材料在第二管状构件上行进时被热气体吸入并流化,颗粒过滤材料通过第一和第二管状构件之间的空间进入第二管状构件的底端,出口 在第二管状构件的顶端处并且落在第二管状构件外部并且朝向过滤室的锥形下部,最终被热气体再循环和流化。