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92. 发明授权

US4010551A Arrangement for the treatment, particularly the drying, of particulate matter by entrainment in a gas 失效
标题翻译：通过夹带在气体中来处理，特别是干燥颗粒物的布置
公开(公告)号：US4010551A
公开(公告)日：1977-03-08
申请号：US585583
申请日：1975-06-10
申请人： Wolfgang Rohde
发明人： Wolfgang Rohde
IPC分类号： F26B17/10 , F26B17/00
CPC分类号： F26B17/103
摘要： An arrangement is disclosed which is suitable for the treatment of particulate matter entrained by a gas, a preferred application being to the drying of particulate matter. The arrangement includes a treatment zone having an inlet region for the introduction of a stream of particulate matter which is entrained by a gas. Means defining a flow path for the substantially uniform entrainment of the particulate matter by the gas is provided upstream of the inlet region. The means includes a first section having an arcuate part and which communicates with a source of the gas. This first section has an upstream portion of circular cross-section and a downstream portion of rectangular cross-section and includes a region wherein the flow path cross-sectional area decreases in downstream direction. The flow path-defining means further includes a second section of rectangular cross-section communicating with the downstream portion of the first section and also includes a third section arranged intermediate the second section and the inlet region of the treatment zone and which communicates with the second section and the inlet region. The third section comprises an upstream part of rectangular cross-section and a downstream part of circular cross-section and has a region wherein the flow path cross-sectional area increases in downstream direction. Feeding means is provided for feeding particulate matter into the flow path-defining means. The feeding means communicates with the second section of the flow path-defining means. The arrangement makes it possible to achieve a uniform distribution of particulate matter in a treatment zone and is particularly applicable to treatment zones of larger diameter where a uniform distribution of the particulate matter over the cross-section of the zone is often difficult to achieve.
摘要翻译：公开了一种适用于处理由气体夹带的颗粒物质的布置，优选应用于颗粒物质的干燥。该装置包括具有用于引入由气体夹带的颗粒物质流的入口区域的处理区域。在入口区域的上游设置限定用于通过气体基本均匀地夹带颗粒物质的流路的装置。该装置包括具有弓形部分并且与气体源连通的第一部分。该第一部分具有圆形横截面的上游部分和矩形横截面的下游部分，并且包括其下游方向上的流路横截面积减小的区域。流路限定装置还包括与第一部分的下游部分连通的矩形横截面的第二部分，并且还包括布置在处理区域的第二部分和入口区域之间并与第二部分连通的第三部分截面和入口区域。第三部分包括矩形横截面的上游部分和圆形横截面的下游部分，并且具有流动横截面积在下游方向上增加的区域。供给装置用于将颗粒物质送入流路限定装置。供给装置与流路限定装置的第二部分连通。该布置使得可以在处理区域中实现颗粒物质的均匀分布，并且特别适用于通常难以实现颗粒物在该区域的横截面上的均匀分布的较大直径的处理区域。

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