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1. 发明申请

WO1995013866A1 COUNTERCURRENT GAS-SOLID CONTACTING 审中-公开
标题翻译：对流气固接触
公开(公告)号：WO1995013866A1
公开(公告)日：1995-05-26
申请号：PCT/AU1994000706
申请日：1994-11-16
申请人： COMALCO ALUMINIUM LIMITED , WELLWOOD, Grant, A. , GROSZEK, Martin, A. , LIDDY, Matthew, John
发明人： COMALCO ALUMINIUM LIMITED
IPC分类号： B01J08/12
CPC分类号： C25C3/22 , B01D53/08 , B01D53/261 , B01D2253/104 , B01D2257/2047 , B01D2257/80 , B01D2259/40081 , B01J8/28
摘要： An apparatus (50) for contacting a gas stream (62) with solid particulate material includes two contacting zones (58, 60). Sets of angled blades (54, 56) cause gas flowing through the contacting zones (58, 60) to have a swirling circumferential velocity. Solid particulate material is fed from hopper (70) via line (72) to the upper contacting zone (56), in which the swirling gas flow causes a turbulent band of particles (60) to form. Contact between the gas and the solid occurs in this band of particles. Overflow of particles from band (74) flows down conduits (76, 77) and into lower contacting zone (58). The swirling gas flow in contacting zone (58) causes a turbulent band of particles (78) to be established. The gas stream enters at conduit (62) and travels through the turbulent band of particles (78) in the lower contacting zone (58). The gas then passes through restriction (66), through the turbulent band of particles (74) in upper contacting zone (60) and then leaves the apparatus (50) via outlet (68). Solid is removed from the lower contacting zone (58) via conduits (82, 84). The apparatus allows for counter-current gas-solid contacting and is particularly suitable for use in gas scrubbing operations.
摘要翻译：用于使气流（62）与固体颗粒材料接触的装置（50）包括两个接触区（58,60）。成角度的叶片（54,56）使气体流过接触区域（58,60）以具有旋转圆周速度。固体颗粒材料从料斗（70）通过管线（72）进料到上接触区域（56），其中旋流气流引起形成湍流带的颗粒（60）。气体和固体之间的接触发生在该带状颗粒中。来自带（74）的颗粒的溢流从管道（76,77）流下并进入下接触区（58）。在接触区域（58）中的旋转气体流动导致形成湍流带状颗粒（78）。气流进入管道（62）并且穿过下接触区域（58）中的颗粒（78）的湍流带。气体然后通过限制（66）通过上接触区（60）中的颗粒（74）的湍流带，然后通过出口（68）离开设备（50）。固体通过导管（82,84）从下部接触区域（58）移除。该装置允许逆流气 - 固接触，并且特别适用于气体洗涤操作。

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