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公开(公告)号:US20150079526A1
公开(公告)日:2015-03-19
申请号:US14030442
申请日:2013-09-18
Applicant: ALSTOM Technology Ltd
Inventor: Xinsheng LOU , Jundong Zhang , Abhinaya Joshi , James A. Mccombe , Armand A. Levasseur
CPC classification number: F23L7/007 , F23C6/04 , F23C6/045 , F23C7/008 , F23C9/003 , F23C2201/101 , F23C2202/30 , F23C2900/06041 , F23L15/00 , F23L2900/07001 , F23L2900/07005 , F23L2900/07006 , F23L2900/07007 , F23N3/00 , F23N5/006 , F23N2021/08 , F23N2037/26 , Y02E20/322 , Y02E20/344 , Y02E20/348
Abstract: An oxy-combustion boiler unit is disclosed which includes a furnace for combusting fuel and for emitting flue gas resulting from combustion. The furnace has first, second and third combustion zones, and an air separation unit for separating oxygen gas from air and providing a first portion of the separated oxygen to a first oxidant flow, a second portion to a second oxidant flow, and a third portion of the separated oxygen gas to the first, second, and third zones of the furnace. A controller can cause the separated oxygen gas to be distributed so that the first and second oxygen flows have a desired oxygen content, and so that the first, second, and third zones of the furnace receive a desired amount of oxygen based on a combustion zone stoichiometry control.
Abstract translation: 公开了一种氧燃烧锅炉单元,其包括用于燃烧燃料和用于排放由燃烧产生的烟道气的炉。 该炉具有第一,第二和第三燃烧区,以及空气分离单元,用于从空气中分离氧气,并将分离的氧气的第一部分提供给第一氧化剂流,第二部分提供给第二氧化剂流,第三部分 的分离的氧气到炉的第一,第二和第三区域。 控制器可以使分离的氧气被分配,使得第一和第二氧气流具有期望的氧含量,并且使得炉的第一,第二和第三区域基于燃烧区域接收所需量的氧气 化学计量控制。