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21. 发明授权

US4523931A Fabric filter system with improved gas bypass means for removing particulate matter from gases 失效
标题翻译：织物过滤系统，具有改进的气体旁路装置，用于从气体中去除颗粒物质
公开(公告)号：US4523931A
公开(公告)日：1985-06-18
申请号：US502853
申请日：1983-06-09
申请人： Richard L. Miller , Carlos Estela
发明人： Richard L. Miller , Carlos Estela
IPC分类号： B01D46/04 , B01D46/02 , B01D50/00
CPC分类号： B01D46/02 , B01D2273/10
摘要： An internal flue gas bypass system is provided in a baghouse filter system having a plurality of filter compartments each having a gas inlet for receiving particulate-laden gas, a gas outlet for delivering filtered gas, fabric filter means between the gas inlet and the gas outlet, means for selectively blocking the gas inlet of each compartment, a gas inlet manifold connected to a source of particulate-laden gas and to the gas inlet of a plurality of filter compartments, and a gas outlet manifold connected to the gas outlet of a plurality of filter compartments and to a baghouse clean gas outlet. At least a portion of the gas outlet manifold has a common wall with the gas inlet manifold so that the gas outlet manifold is mounted internally in the baghouse adjacent the gas inlet manifold, and at least one poppet damper means is positioned in the common wall thereby providing an internal bypass means for passing particulate-laden gas from the gas inlet manifold to the gas outlet manifold. In one embodiment, the gas inlet of each compartment is blocked, and the poppet damper means in the common wall is opened so that heated, particulate-laden gas passes through the gas inlet manifold to the gas outlet manifold, thereby providing a method of heating the gas inlet manifold to a desired temperature prior to passing the heated, particulate-laden gas into a plurality of filter compartments.
摘要翻译：内部烟气旁通系统设置在袋式过滤系统中，该系统具有多个过滤室，每个过滤室具有用于接收负载颗粒物的气体的气体入口，用于输送过滤气体的气体出口，气体入口和气体出口之间的织物过滤器装置，用于选择性地阻塞每个隔室的气体入口的装置，连接到颗粒载气源和与多个过滤室的气体入口连接的气体入口歧管，以及连接到多个过滤室的气体出口的气体出口歧管的过滤隔间和一个垃圾袋清洁气体出口。气体出口歧管的至少一部分与气体入口歧管具有共同的壁，使得气体出口歧管内部安装在靠近气体入口歧管的袋室内，并且至少一个提升阀阻尼器装置定位在公共壁中，从而提供内部旁路装置，用于将含气体的气体从气体入口歧管传送到气体出口歧管。在一个实施例中，每个隔室的气体入口被阻塞，并且公共壁中的提升阀阻尼器装置打开，使得加热的含颗粒的气体通过气体入口歧管进入气体出口歧管，从而提供加热方法气体入口歧管在将加热的含颗粒的气体通入多个过滤室之前达到所需温度。

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