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    CIRCULATING FLUIDIZED BED BOILER
    1.
    发明公开
    CIRCULATING FLUIDIZED BED BOILER 审中-公开
    KESSEL MIT ZIRKULIERENDEM WIRBELBETT

    公开(公告)号：EP2634484A4

    公开(公告)日：2017-07-05

    申请号：EP11835637

    申请日：2011-10-27

    申请人： INST ENG THERMOPHYSICS CAS

    发明人： LV QINGGANG ,  SUN YUNKAI ,  SONG GUOLIANG ,  WANG DONGYU ,  BAO SHAOLIN ,  GAO MING ,  LI SHIYUAN

    IPC分类号： F23C10/18 ,  F22B21/02 ,  F22B31/00 ,  F23M5/08

    CPC分类号： F22B31/003 ,  F22B21/02 ,  F22B31/0084 ,  F23C10/10 ,  F23C10/18

    摘要： A circulating fluidized bed boiler is disclosed. The circulating fluidized bed boiler comprising: a furnace defined and enclosed by water walls, a ceiling and an air distributor, the water walls comprising front and rear walls and left and right side walls (AJ, TK) formed by water cooling tubes, and the water walls are provided with secondary air ports (Y) in the lower part thereof, and furnace flue gas outlets (AB, EF, IJ, KL, OP, ST) being provided in an upper part of the furnace; at least two cyclones connected with the furnace flue gas outlets (AB, EF, IJ, KL, OP, ST); a loop-seal is connected with solid outlets of the cyclones and the lower part of the furnace, respectively; and a flue gas duct connected with flue gas outlets of the cyclones wherein the water cooling wall tubes of the water wall form at least one vertical columnar recessed segment (BCDE, FGHI, SRQP, ONML) recessed toward the inside of the furnace, and the at least one columnar recessed segment (BCDE, FGHI, SRQP, ONML) extends at least 15% of the furnace height in a vertical direction.

    摘要翻译： 公开了一种循环流化床锅炉。 该循环流化床锅炉包括：由水冷壁，天花板和空气分配器限定并封闭的炉子，水冷壁包括由水冷管形成的前壁和后壁以及左右侧壁（AJ，TK），并且 在水冷壁的下部设置二次风口（Y），在炉上部设置炉排出口（AB，EF，IJ，KL，OP，ST） 至少两个与炉烟气出口（AB，EF，IJ，KL，OP，ST）连接的旋风分离器; 回路密封分别与旋风分离器的固体出口和炉下部连接， 以及与旋风分离器的烟气出口连接的烟气管道，其中水冷壁的水冷壁管形成至少一个向炉内凹陷的垂直柱状凹部（BCDE，FGHI，SRQP，ONML），并且 至少一个柱状凹进段（BCDE，FGHI，SRQP，ONML）沿竖直方向延伸炉高的至少15％。

    LARGE-SCALE CIRCULATING FLUIDIZED BED BOILER
    3.
    发明公开
    LARGE-SCALE CIRCULATING FLUIDIZED BED BOILER 审中-公开
    GROSSFLÄCHIGERZIRKULATIONS-WIRBELBETTKESSEL

    公开(公告)号：EP2672179A4

    公开(公告)日：2017-06-28

    申请号：EP12741879

    申请日：2012-01-19

    申请人： INST ENG THERMOPHYSICS CAS

    发明人： LU QINGGANG ,  GAO MING ,  SUN YUNKAI ,  SONG GUOLIANG ,  WANG XIAOFANG ,  NA YONGJIE ,  WANG DONGYU ,  WANG HAIGANG

    IPC分类号： F23C10/10 ,  F23C10/18

    CPC分类号： F22B31/0084 ,  F23C10/10 ,  F23C10/18 ,  F23J15/027 ,  F23J2217/40

    摘要： A large-size circulating fluidized bed boiler, comprising: a furnace having a vertical furnace center line; and at least two groups of cyclones, each cyclone of each group of cyclones having an inlet gas pass communicated with the furnace. A furnace cross section formed by outer sidewalls and located at the inlet gas pass of the cyclone is a polygon having 2 × n sides, and n is a positive integer greater than 1. The polygon is axially symmetric with respect to a perpendicular bisector of each side of the polygon, and when n is 2, the polygon is a square. Triangles formed by two endpoints of an inlet of the inlet gas pass of each cyclone at the cross section and an intersection of the furnace center line and the cross section are congruent. A single flow field in communication with each of the inlet is formed in the cross section.

    摘要翻译： 1.一种大型循环流化床锅炉，其特征在于，包括：具有立式炉中心线的炉; 和至少两组旋风器，每组旋风器的每个旋风器具有与炉子连通的入口气体通道。 由外侧壁形成并位于旋风分离器的入口气体通路处的炉横截面是具有2×n侧的多边形，并且n是大于1的正整数。多边形相对于每一个的垂直平分线轴对称 多边形的一侧，当n是2时，多边形是正方形。 由横截面上的每个旋风分离器的入口气体通道的入口的两个端点以及炉中心线与横截面的交点形成的三角形全等。 在横截面中形成与每个入口连通的单个流场。