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2. 发明申请

WO2012006280A1 REDUCED FOSSIL FUEL IN AN OXIDIZER DOWNSTREAM OF A BIOMASS FURNACE 审中-公开
标题翻译：生物质燃料氧化剂下游中的减少燃料
公开(公告)号：WO2012006280A1
公开(公告)日：2012-01-12
申请号：PCT/US2011/042951
申请日：2011-07-05
申请人： MEGTEC SYSTEMS, INC. , CASH, James, T. , RUDOLPH, Jeffrey, C.
发明人： CASH, James, T. , RUDOLPH, Jeffrey, C.
IPC分类号： B01D53/38
CPC分类号： B01D53/72 , B01D53/62 , B01D2257/502 , B01D2257/708 , B01D2258/0283
摘要： Method of extracting syngas between the zone in a furnace where oxygen-starved combustion of biomass occurs and the zone in the furnace where secondary air is added to complete combustion, conditioning and cleaning the extracted syngas, and delivering it in a metered amount to the oxidizer or upstream of the oxidizer to reduce or eliminate the need for additional fossil fuels once the oxidizer has achieved its operating temperature. The gasifier or furnace burns solid waste and produces a syngas containing relatively high levels of CO, which is extracted from the furnace, conditioned, and introduced into an RTO as a fuel source. In certain embodiments, no extraction of syngas from the furnace takes place; the furnace conditions are manipulated so that normally undesirable levels of CO and other VOC's remain in the process stream. The heat from the furnace is used as intended (e.g., to heat a dryer), the stream is conditioned, and ultimately proceeds to a downstream RTO. Since the gas stream remains rich in CO and VOC's, its fuel value in the RTO is substantially higher than otherwise would be the case.
摘要翻译：在生物质发生氧饥饿燃烧的炉中的区域之间提取合成气的方法和加入二次空气的炉中的区域完全燃烧，调节和清洁提取的合成气，并将其以量计送到氧化剂或氧化剂的上游，以减少或消除一旦氧化剂达到其工作温度的额外的化石燃料的需要。气化器或炉子燃烧固体废物并产生含有相对高水平的CO的合成气，其从炉中提取，调节并引入RTO作为燃料源。在某些实施方案中，不会从炉中提取合成气; 操纵炉子条件，使得通常不期望的CO和其它VOC水平保留在工艺流中。根据需要使用来自炉的热量（例如，加热干燥器），对流进行调节，并最终进行到下游RTO。由于气流保持丰富的CO和VOC，其在RTO中的燃料价值明显高于否则情况。

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