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    • 4. 发明授权
    • Gate valve
    • 闸阀
    • US07780143B2
    • 2010-08-24
    • US11987309
    • 2007-11-29
    • Yasunari ShibataYoshinori KoyamaSoken TakaseTaizo HoshinoShuji KameyamaYasuhiro SuzukiYoshihiko HorieHitoshi TeradaHirofumi Yamada
    • Yasunari ShibataYoshinori KoyamaSoken TakaseTaizo HoshinoShuji KameyamaYasuhiro SuzukiYoshihiko HorieHitoshi TeradaHirofumi Yamada
    • F16K25/00
    • F16K3/20
    • An object is to provide a gate valve capable of preventing operational deficiencies caused by particulate materials accumulating in a valve box, thus providing superior sealing properties and high durability, having a simple structure, and allowing inspection and maintenance to be performed easily. A gate valve installed in a transport line for transporting fluid containing particulate material at a coal gasification plant includes a valve box having an inlet portion and an outlet portion in which a channel constituting a part of the transport line is formed; a valve unit, provided between the inlet portion and the outlet portion, which extends in an opening-and-closing direction orthogonal to an axial direction of the channel, and which is movable in the opening-and-closing direction; a wedge plate provided between the valve unit and the inlet portion so as to extend in the opening-and-closing direction; and a guide plate provided between the valve unit and the outlet portion so as to extend in the opening-and-closing direction. Areas between the valve unit and the wedge plate and between and the valve unit and guide plate are sealed by means of surface contact.
    • 本发明的目的是提供一种闸阀,其能够防止由于在阀箱中积聚的颗粒材料引起的操作缺陷,从而提供优异的密封性和高耐久性,结构简单,并且容易进行检查和维护。 安装在用于在煤气化装置中输送含有颗粒材料的流体的输送管线的闸阀包括具有入口部分和出口部分的阀箱,其中构成输送线路的一部分的通道; 阀单元,设置在入口部和出口部之间,其沿与通道的轴向正交的开闭方向延伸,并且能够沿开闭方向移动; 楔形板,设置在所述阀单元和所述入口部之间,以沿所述开闭方向延伸; 以及设置在所述阀单元和所述出口部之间以沿所述开闭方向延伸的引导板。 阀单元和楔形板之间以及阀单元和引导板之间的区域通过表面接触而被密封。
    • 6. 发明申请
    • Gate valve
    • 闸阀
    • US20090140195A1
    • 2009-06-04
    • US11987309
    • 2007-11-29
    • Yasunari ShibataYoshinori KoyamaSoken TakaseTaizo HoshinoShuji KameyamaYasuhiro SuzukiYoshihiko HorieHitoshi TeradaHirofumi Yamada
    • Yasunari ShibataYoshinori KoyamaSoken TakaseTaizo HoshinoShuji KameyamaYasuhiro SuzukiYoshihiko HorieHitoshi TeradaHirofumi Yamada
    • F16K3/30
    • F16K3/20
    • An object is to provide a gate valve capable of preventing operational deficiencies caused by particulate materials accumulating in a valve box, thus providing superior sealing properties and high durability, having a simple structure, and allowing inspection and maintenance to be performed easily. A gate valve installed in a transport line for transporting fluid containing particulate material at a coal gasification plant includes a valve box having an inlet portion and an outlet portion in which a channel constituting a part of the transport line is formed; a valve unit, provided between the inlet portion and the outlet portion, which extends in an opening-and-closing direction orthogonal to an axial direction of the channel, and which is movable in the opening-and-closing direction; a wedge plate provided between the valve unit and the inlet portion so as to extend in the opening-and-closing direction; and a guide plate provided between the valve unit and the outlet portion so as to extend in the opening-and-closing direction. Areas between the valve unit and the wedge plate and between and the valve unit and guide plate are sealed by means of surface contact.
    • 本发明的目的是提供一种闸阀,其能够防止由于在阀箱中积聚的颗粒材料引起的操作缺陷,从而提供优异的密封性和高耐久性,结构简单,并且容易进行检查和维护。 安装在用于在煤气化装置中输送含有颗粒材料的流体的输送管线的闸阀包括具有入口部分和出口部分的阀箱,其中构成输送线路的一部分的通道; 阀单元,设置在入口部和出口部之间,其沿与通道的轴向正交的开闭方向延伸,并且能够沿开闭方向移动; 楔形板,设置在所述阀单元和所述入口部之间,以沿所述开闭方向延伸; 以及设置在所述阀单元和所述出口部之间以沿所述开闭方向延伸的引导板。 阀单元和楔形板之间以及阀单元和引导板之间的区域通过表面接触而被密封。