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1. 发明授权

US5113598A Apparatus for powder falling gas-solid contacting operation 失效
标题翻译：用于粉末气体固体接触操作的装置
公开(公告)号：US5113598A
公开(公告)日：1992-05-19
申请号：US598306
申请日：1990-10-16
申请人： Shun Wachi , John G. Yates
发明人： Shun Wachi , John G. Yates
IPC分类号： B01J8/12 , B01J8/00 , B01J8/18
CPC分类号： B01J8/1881 , B01J8/003 , B01J8/1809
摘要： An apparatus for powder falling type gas-solid contacting operation which comprises a hopper for feeding solid particles, a fluidizing bunker wherein the fed particles are fluidized by introduction of a fluidizing gas, a standpipe provided between the hopper and the bunker for feeding the particles from the hopper to the bunker, the lower end of the standpipe being located in the bunker, and a vertical gas-solid column connected to the bottom of the bunker for bringing the particles falling down from the bunker into contact with a gas countercurrently, in which a vertical tube is provided in the bunker so as to surround at least the lower end part of the standpipe and extend to a position below the lower end of the standpipe, whereby the height of the fluidized bed of the particles in the bunker is stably kept constant and the particles are fed from the bunker to the gas-solid column at a constant rate.
摘要翻译：一种用于粉末落下式气固接触操作的装置，包括用于供给固体颗粒的料斗，流化料仓，其中所述进料颗粒通过引入流化气体而流化，设置在料斗和料仓之间的竖管，用于将颗粒从料斗到沙坑，竖管的下端位于沙坑中，垂直的气固柱连接到沙坑的底部，用于使从沙坑落下的颗粒逆流地与气体接触，其中竖管设置在沙坑中，以便至少围绕立管的下端部并且延伸到立管的下端下方的位置，从而稳定地保持了料仓中的颗粒的流化床的高度恒定，并且颗粒以恒定速率从燃料舱输送到气固塔。

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