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    • 1. 发明公开
    • METHOD OF CONTROLLING A PROCESS OF GENERATING POWER BY OXYFUEL COMBUSTION
    • 方法用于控制过程用于产生能量BY氧燃料燃烧
    • EP2235440A2
    • 2010-10-06
    • EP08863429.0
    • 2008-12-19
    • Foster Wheeler Energy Corporation
    • SELTZER, AndrewFAN, ZhenHACK, HorstROBERTSON, Archibald
    • F23C9/00F23L7/00
    • F23C9/003F23C2202/30F23C2202/50F23L7/007F23L2900/07005F23L2900/07006F23L2900/07007Y02E20/322Y02E20/344
    • At full load conditions, the method includes introducing a first carbonaceous fuel feed stream into a furnace, introducing a first substantially pure oxygen feed stream into the furnace for combusting the first carbonaceous fuel feed stream with the oxygen, and recirculating a portion of the exhaust gas discharged from the furnace at a first recirculation flow rate to the furnace, to form, together with the first substantially pure oxygen feed stream, a first inlet gas stream having a predetermined average oxygen content, thereby discharging exhaust gas from the furnace at a first discharge flow rate. In second load conditions, corresponding to at most 90% load, the method includes introducing a second carbonaceous fuel feed stream into the furnace, introducing a second substantially pure oxygen feed stream into the furnace for combusting the second carbonaceous fuel feed stream with the oxygen, and recirculating a portion of the exhaust gas discharged from the furnace at a second recirculation flow rate to the furnace, to form, together with the second substantially pure oxygen feed stream, a second inlet gas stream, so as to discharge exhaust gas from the furnace at a second discharge flow rate, and controlling the second recirculation flow rate to be from the first recirculation flow rate to a value providing the second discharge flow rate to be substantially as high as the first discharge flow rate.
    • 控制通过燃烧含碳燃料与基本上纯净的氧气中与锅炉的动力设备中产生电力的过程的方法。 在满负载条件下,该方法包括将第一碳质燃料进料流引入炉中,将第一基本上纯的氧气进料流引入所述炉中与氧燃烧第一含碳燃料原料流,和再循环的废气的一部分 从炉中以第一再循环流率到炉中排出,以形成与所述第一基本纯的氧气进料流一起,将具有预定平均氧含量,从而排出废气从炉中在第一放电的第一入口气体流 流量。 在第二负荷条件下,对应于至多90%的负载,该方法包括将第二含碳燃料原料流引入炉中,引入第二基本上纯的氧气进料流引入所述炉中与氧燃烧第二含碳燃料原料流, 和再循环以第二再循环流率到炉从炉中排出的废气的一部分,以形成,连同第二基本上纯的氧气进料流,第二入口气体流,以便从炉排出的废气 以第二排放流率,和控制所述第二再循环流率从第一再循环流率到提供第二排放流率成基本上高达所述第一排放流率的值。
    • 3. 发明公开
    • ON-LINE ADJUSTABLE COAL FLOW DISTRIBUTING DEVICE
    • 在线可调煤流量分配装置
    • EP1946005A1
    • 2008-07-23
    • EP06809709.6
    • 2006-10-26
    • Foster Wheeler Energy Corporation
    • GRUSHA, John
    • F23K3/02
    • F23K3/02F23K2203/006F23K2203/105
    • A method of and an apparatus for operating a pulverized coal-fired boiler system, which includes at least one coal pulverizer in flow connection with at least two burners disposed on a boiler enclosure by a coal feed system having a coal pipe junction with a riffle enclosure including a plurality of parallel partition walls forming multiple flow channels from an upstream coal pipe to each of at least two downstream coal pipes and a plurality of individually pivotable vanes upstream of the plurality of partition walls, and controlling the distribution of coal between the downstream pipes by pivoting at least one of the vanes. Preferably a coal flow rate is monitored in the downstream coal pipes and at least one of the vanes is pivoted in response to a measured distribution of the coal flow rate.
    • 一种用于运行粉煤燃烧锅炉系统的方法和设备,其包括至少一个煤粉磨机与至少两个燃烧器流动连接,所述至少两个燃烧器通过具有煤管连接处的煤供给系统布置在锅炉外壳上, 包括多个平行分隔壁,所述平行分隔壁形成从上游煤管到至少两个下游煤管中的每一个的多个流动通道以及在所述多个分隔壁上游的多个单独可枢转叶片,并且控制下游管之间的煤分配 通过枢转至少一个叶片。 优选地,在下游煤管中监测煤流量,并且响应于测量的煤流量分布来枢转至少一个叶片。