Apparatus for cooling a middle region of the wall of a hearth in a
fluidized bed boiler
    2.
    发明授权
    Apparatus for cooling a middle region of the wall of a hearth in a fluidized bed boiler 失效
    用于冷却流化床锅炉中的心脏壁的中间区域的装置

    公开(公告)号:US5168819A

    公开(公告)日:1992-12-08

    申请号:US765747

    申请日:1991-09-26

    IPC分类号: F22B31/00 F22B37/40

    CPC分类号: F22B31/003 F22B37/40

    摘要: Apparatus for cooling the wall of a fluidized bed hearth in a middle join region of generally upsidedown V-shaped vertical right cross-section between the upsidedown truncated pyramid-shaped bottom portions of the furnace above two parallel floors and a top portion of rectangular right cross-section, having a front face and a rear face parallel to the ridge of the upsidedown V-shape and having side faces perpendicular to said ridge, said wall being provided with heat exchanger tubes conveying water or an emulsion of water and steam, wherein the heat exchanger tubes are essentially horizontal and disposed in the flanks of the upsidedown truncated pyramid-shaped lower portions in line with the upsidedown V-shape and open out into tubes lining the side faces perpendicular to the ridge thereof. This makes it possible to perform cooling by natural circulation.

    摘要翻译: 用于冷却中间连接区域中的流化床底部的壁的装置,该中间连接区域在两个平行的地板之间的炉的上升的截头棱锥形底部和矩形右十字形的顶部之间的大致上升的V形垂直右侧横截面 其具有平行于上升V形的脊的前表面和后表面,并且具有垂直于所述脊的侧面,所述壁设置有输送水或水和蒸汽的乳液的热交换器管,其中, 热交换器管基本上是水平的,并且设置在上升的截头棱锥形下部的侧面中,与上升的V形一致,并且开放到垂直于其脊的侧面的管中。 这使得可以通过自然循环进行冷却。