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公开(公告)号：EP1982000A1
公开(公告)日：2008-10-22
申请号：EP07704184.6
申请日：2007-01-26
申请人： PAUL WURTH S.A.
CPC分类号： F16K1/38 , C21B7/005 , C21B9/12 , F16K17/025 , F16K17/168 , F16K31/52 , Y10T137/7922
摘要： A shaft furnace bleeder valve for controlling a gas outflow from the interior of a pressurized furnace to the ambient atmosphere through an exhaust conduit is proposed. The bleeder valve comprises a valve seat associated with the exhaust conduit, a movable closure member having a central closure surface and a peripheral sealing surface cooperating with the valve seat, the closure surface comprising a convex surface at least in proximity to the sealing surface. The valve further has an actuating mechanism, which is connected to the closure member for moving the closure member between a closed position on the valve seat and an open position distant from the valve seat. According to the invention, the closure member comprises a recurved deflection portion at the periphery of the peripheral sealing surface, the recurved deflection portion comprising a deflection surface inclined against the convex surface by an angle in the range of 30° to 70° for imparting to a gas outflow passing between the valve seat and the closure member a velocity component which is opposite to the initial opening movement of the closure member.
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公开(公告)号：EP2529037A1
公开(公告)日：2012-12-05
申请号：EP11701398.7
申请日：2011-01-25
申请人： Paul Wurth S.A.
摘要： A charging device for a metallurgical reactor comprises a stationary housing having a lower housing part (104) with an annular rotor (108) therein and an upper housing part (106) having at least one charge material inlet (112; 114) that is offset from the axis of rotation of the rotor (108). The rotor (108) supports a distribution member (116) for distributing charge material circumferentially about its axis of rotation. A feeder spout (120) inside the stationary housing has a longitudinal axis and channels charge material through a central passage (110) in the rotor (108) onto the distribution member (116). A conduit-connecting rotary joint (130) has a stationary part (134) and a rotary part (132) and connects a stationary conduit (154; 155) to a rotary conduit (152; 153) for fluid supply to the rotor (108) and/or to the distribution member (116). The feeder spout (120) has an inlet section (122) arranged in the upper housing part (106) and an outlet section (124) arranged at least partially in the lower housing part (104). The feeder spout (120) is rotatably supported and coupled in rotation to the rotor (108) to rotate together therewith. According to the invention, the rotary joint (130) has a joint diameter that is smaller than the width of the central passage (110) in the rotor. The feeder spout (120) further comprises a support (140) having at least one spoke member (142) fixed to the feeder spout (120) and supporting the rotary part (132) of the rotary joint (130) coaxially with the longitudinal spout axis and above the outlet section (124). The rotary conduit (152; 153) passes from the rotary part (132) of the rotary joint (130) via the support (140) and via the outside of the feeder spout (120) to the rotor (108) and/or to the distribution member (116).
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公开(公告)号：EP2734650B1
公开(公告)日：2018-10-03
申请号：EP12735893.5
申请日：2012-07-19
申请人： Paul Wurth S.A.
CPC分类号： F27D3/06 , C21B7/20 , C21B7/24 , F27B1/20 , F27D19/00 , F27D2019/0009 , F27D2019/0068 , Y10T137/0396 , Y10T137/2278
摘要： A charging device for a shaft furnace comprises a main casing and at least one nozzle for introducing a clean gas into the casing. According to an important aspect of the invention, a controller is configured to adapt the supply (the flow rate) or pressure of clean gas in the main casing based on charging status information.
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6.发明公开CHARGING DEVICE FOR SHAFT FURNACE WITH CONTROLLER FOR CLEAN GAS FED TO ITS MAIN CASING 审中-公开搬送装置对于有控制用于清洁气供应主壳体竖炉
公开(公告)号：EP2734650A1
公开(公告)日：2014-05-28
申请号：EP12735893.5
申请日：2012-07-19
申请人： Paul Wurth S.A.
CPC分类号： F27D3/06 , C21B7/20 , C21B7/24 , F27B1/20 , F27D19/00 , F27D2019/0009 , F27D2019/0068 , Y10T137/0396 , Y10T137/2278
摘要： A charging device for a shaft furnace comprises a main casing and at least one nozzle for introducing a clean gas into the casing. According to an important aspect of the invention, a controller is configured to adapt the supply (the flow rate) or pressure of clean gas in the main casing based on charging status information.
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公开(公告)号：EP1982000B1
公开(公告)日：2009-04-01
申请号：EP07704184.6
申请日：2007-01-26
申请人： PAUL WURTH S.A.
CPC分类号： F16K1/38 , C21B7/005 , C21B9/12 , F16K17/025 , F16K17/168 , F16K31/52 , Y10T137/7922
摘要： A shaft furnace bleeder valve for controlling a gas outflow from the interior of a pressurized furnace to the ambient atmosphere through an exhaust conduit is proposed. The bleeder valve comprises a valve seat associated with the exhaust conduit, a movable closure member having a central closure surface and a peripheral sealing surface cooperating with the valve seat, the closure surface comprising a convex surface at least in proximity to the sealing surface. The valve further has an actuating mechanism, which is connected to the closure member for moving the closure member between a closed position on the valve seat and an open position distant from the valve seat. According to the invention, the closure member comprises a recurved deflection portion at the periphery of the peripheral sealing surface, the recurved deflection portion comprising a deflection surface inclined against the convex surface by an angle in the range of 30° to 70° for imparting to a gas outflow passing between the valve seat and the closure member a velocity component which is opposite to the initial opening movement of the closure member.
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