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    • 10. 发明申请
    • HOPPER FLOW SMOOTHING METHOD AND DEVICE
    • HOPPER FLOW SMOOTHING方法和设备
    • US20090056545A1
    • 2009-03-05
    • US12198589
    • 2008-08-26
    • Michael A. PorterSean M. McGuffie
    • Michael A. PorterSean M. McGuffie
    • B01D46/00
    • B01D46/02B01D46/0045
    • A filtration system for a particulate-laden stream of gas utilizes a group of fabric bags within the upper chamber of a housing as the means by which particulate matter is filtered out of the gas. The gas inlet into a lower chamber of the housing is provided with an inlet guide that directs the incoming gas against the lower side of a porous diffuser located below the group of bags and spanning at least most of the separation zone defined by the bags. Passages through the diffuser are configured to present an array of nozzles so that the gas is subjected to a pressure drop across the diffuser before flowing to the bags. The nozzle effect causes the particulate-laden gas to spread out evenly on the lower, upstream side of the diffuser and pass through the diffuser at substantially equal velocity at all passages, thereby smoothing the flow and distributing it evenly to all bags.
    • 用于装载颗粒物的气流的过滤系统利用在壳体的上部腔室内的一组织物袋作为将气体从气体中过滤掉的装置。 进入壳体的下腔室的气体入口设置有入口引导件,其引导进入的气体抵靠位于袋组下方的多孔扩散器的下侧,并跨越由袋限定的至少大部分分离区域。 通过扩散器的通道被配置为呈现喷嘴阵列,使得气体在流入袋子之前经受扩散器的压降。 喷嘴效应使颗粒状气体均匀地扩散在扩散器的下游侧上游侧,并在所有通道处以基本相等的速度穿过扩散器,从而平滑流动并将其均匀分配到所有袋子上。