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    • 15. 发明专利
    • Fluidized bed dryer
    • 流化床干燥机
    • JP2014145578A
    • 2014-08-14
    • JP2013016209
    • 2013-01-30
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TAKASHIMA RYUHEIOURA KOJI
    • F26B3/08C10J3/46F26B3/084F26B17/10
    • F26B3/082C10J3/466C10J3/506C10J2300/0909C10J2300/093C10J2300/1653Y02E20/18
    • PROBLEM TO BE SOLVED: To provide a fluidized bed dryer that can improve efficiency of drying by preventing movement defects of wet fuel between the fluidized beds.SOLUTION: A fluidized bed dryer includes: a drying container 101 provided with a coal input port 102 and a dry coal outlet 103; a distribution plate 109 for defining between an upper drying chamber and a lower air chamber 110 by that a plurality of through-holes are provided and disposed in the drying container 101 horizontally; partition plates 114, 115 dividing the drying chamber to form a plurality of drying chambers 111, 112, 113, and formed of coal passage opening parts 116, 117; division plates 118, 119 dividing the air chamber 110 to form a plurality of air chambers 110a, 110b, 110c, and disposed at the downstream side in the coal flow direction from the partition plates 114, 115; and a fluidization steam supply device for supplying fluidization steam to the air chambers 110a, 110b, 110c so that the superficial velocity becomes higher as the drying chambers 111, 112, 113 of the upstream in the coal flow direction.
    • 要解决的问题:提供一种流化床干燥器,其可以通过防止流化床之间的湿燃料的运动缺陷来提高干燥效率。解决方案:流化床干燥器包括:设置有煤输入口102和 干煤出口103; 用于通过多个通孔在上部干燥室和下部空气室110之间限定的分配板109设置并且水平地设置在干燥容器101中; 隔板114,115分隔干燥室以形成多个干燥室111,112,113,并由煤通道开口部分116,117形成; 分隔板118,119分隔空气室110以形成多个空气室110a,110b,110c,并且设置在煤分流板114,115的煤流方向的下游侧; 以及用于向空气室110a,110b,110c供应流化蒸汽的流化蒸汽供应装置,使得在煤流动方向上游的干燥室111,112,113的表面速度变高。