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1. 发明申请

WO1994008697A1 METHOD FOR FLUE-GAS CLEANING 审中-公开
标题翻译：用于气体清洁的方法
公开(公告)号：WO1994008697A1
公开(公告)日：1994-04-28
申请号：PCT/SE1993000861
申请日：1993-10-20
申请人： SVENSKA ENERGINÄT MILJÖTEKNIK AB , LÜNING, Björn
发明人： SVENSKA ENERGINÄT MILJÖTEKNIK AB
IPC分类号： B01D53/08
CPC分类号： B01D53/08 , B01D53/0431 , B01D53/0462 , B01D53/508 , B01D2251/404 , B01D2251/606 , B01D2257/302 , B01D2258/0283
摘要： In a method for cleaning SOx-polluted flue gases from a combustion process, the flue gases are, in a gas-cleaning zone (20), passed through a gas-cleaning bed (22) of an SOx-absorbing substance which, once polluted and heated by the flue gases, is circulated out of and back to the gas-cleaning zone (20) in a circulation path which passes through a cooling zone (30), where the substance is directly contacted with a cooling medium in order to be cooled, and a separating zone (40), where sulphur pollutants are removed. The gas-cleaning bed (22) is gradually displaced into the cooling zone (30) where it instead forms a cooling bed (32) through which the cooling medium is passed. The bed is displaced through a channel (21, 50, 31) of annular cross section, such that the substance is fed as a tubular body (22, 53, 32) through the channel running through the gas-cleaning zone (20) as well as the cooling zone (30). The flue gases and the cooling medium are passed substantially radially through the bed in the gas-cleaning zone (20) and the cooling zone (30), respectively.
摘要翻译：在用于清洁来自燃烧过程的SO x污染烟道气的方法中，废气在气体清洁区（20）中通过吸收SO x的物质的气体清洁床（22），其一旦被污染并被烟道气加热，在通过冷却区（30）的循环路径中循环回到气体清洁区（20），在该循环路径中物质与冷却介质直接接触，以便于和分离区（40），其中硫污染物被去除。气体清洁床（22）逐渐移入冷却区（30），在冷却区（30）中形成冷却介质通过的冷却床（32）。床通过环形横截面的通道（21,50,31）移动，使得物质通过穿过气体清洁区（20）的通道作为管状体（22,53,32）供给，如以及冷却区（30）。废气和冷却介质基本上径向通过气体清洁区（20）和冷却区（30）中的床。

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