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    • 1. 发明公开
    • 분급기, 상기 분급기를 구비한 수직형분쇄기, 및 상기수직형분쇄기를 구비한 석탄분보일러장치
    • 分类器,具有分类器的垂直碎片机,以及具有垂直碎屑机的燃煤锅炉装置
    • KR1020070012474A
    • 2007-01-25
    • KR1020067023740
    • 2005-05-12
    • 바브콕-히다찌 가부시끼가이샤
    • 다케노유타카가네모토히로아키다츠마데루아키하라다다카시다나베다케토시
    • B07B7/083B02C15/12F23K1/00
    • F23K1/00B02C2015/002B07B7/01B07B7/04B07B7/083B07B11/04F23K2201/10F23K2201/30
    • A classifier capable of stably providing particles by further reducing the mixing ratio of coarse particles, a vertical crusher having the classifier, and a coal fired boiler apparatus having the vertical crusher. The classifier comprises a rotating fin (21) classifying solid particles by a centrifugal force, a cylindrical downward flow forming member (13) installed on the outer peripheral side of the rotating fin (21), a recovery cone (11) disposed under the rotating fin (21) and the downward flow forming member (13), and a housing (41). A contraction flow area (16) is formed between the housing (41) and the recovery cone (11), and a two-phase flow (52) formed of the mixture of the solid particles and gases blown up through the contraction flow area (16) is collided with the downward flow forming member (13) on the upper side of the housing (41) to form it in a downward flow. Then, that flow is led to the rotating fin side, classified into the fine particles and the coarse particles, and the fine particles are carried together with an airstream, passed through the rotating fin (21), and removed. A circulating swirl flow development suppressing part (30) is installed at the upper part of the contraction flow area (16) and on the outer periphery of the downward flow forming member (13). ® KIPO & WIPO 2007
    • 通过进一步降低粗粒子的混合比,具有分级机的立式破碎机和具有立式破碎机的燃煤锅炉装置,能够稳定地提供粒子的分选机。 分选机包括通过离心力对固体颗粒进行分选的旋转翅片(21),安装在旋转翅片(21)的外周侧的圆柱形向下流动形成构件(13),设置在旋转翅片 翅片(21)和向下流动形成构件(13),以及壳体(41)。 在壳体(41)和回收锥体(11)之间形成有收缩流动区域(16),以及由固体颗粒和通过收缩流动区域吹出的气体的混合物形成的两相流(52) 16)与壳体(41)的上侧的向下流动形成构件(13)碰撞,以向下流动形成。 然后,将该流动引导到旋转翅片侧,分为细颗粒和粗颗粒,并将微粒与气流一起携带,通过旋转翅片(21)并除去。 在收缩流动区域(16)的上部和向下流动形成部件(13)的外周设置有循环涡流形成抑制部(30)。 ®KIPO&WIPO 2007