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公开(公告)号：US4418414A
公开(公告)日：1983-11-29
申请号：US126569
申请日：1980-03-03
申请人： Fred Esser , Detlev Klopper , Walter Lachner , Albrecht Kruger
发明人： Fred Esser , Detlev Klopper , Walter Lachner , Albrecht Kruger
CPC分类号： F27B3/085
摘要： A metallurgical plasma melting furnace for the melting of metals and alloys is provided with a substantially cylindrical melting vessel and a plurality of plasma burners disposed in burner openings in the walls of the vessel for creating flow stable plasma arcs. The vessel includes a first vertical cylindrical domain and a second vertical cylindrical domain divided by a vertical longitudinal plane and wherein the burners are located in the first cylindrical domain facing the second cylindrical domain and positioned such that the points of intersection of the projections of the burner axes are disposed in the second cylindrical domain and the distance between the intersection points is less than the radius of the vessel.
摘要翻译： 用于熔化金属和合金的冶金等离子体熔化炉具有基本上圆柱形的熔化容器和多个等离子体燃烧器，其设置在容器的壁中的燃烧器开口中，用于产生流动稳定的等离子弧。 容器包括第一垂直圆柱形结构域和由垂直纵向平面分开的第二垂直圆柱形区域，并且其中燃烧器位于面向第二圆柱形区域的第一圆柱形区域中，并且定位成使得燃烧器的突起的相交点 轴设置在第二圆柱形区域中，并且交点之间的距离小于容器的半径。
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公开(公告)号：US4626654A
公开(公告)日：1986-12-02
申请号：US427376
申请日：1982-09-29
申请人： Fred Esser , Detlev Klopper , Walter Lachner , Gerhard Scharf
发明人： Fred Esser , Detlev Klopper , Walter Lachner , Gerhard Scharf
CPC分类号： H05B7/00 , C21B13/125 , C21C5/5205 , C21C5/5229 , C22B9/226 , F27B3/08 , F27D2099/0031 , Y02P10/216
摘要： A metallurgical plasma melting process wherein a plasma burner and a separate start-up burner disposed alongside same in the same port have their axes intersecting in the furnace at an acute angle. Only the start-up burner is operated initially to form a crater in material in the furnace. Thereafter the plasma burner is ignited and the start-up burner is turned off when the plasma burner is operating at full efficiency.
摘要翻译： 一种冶金等离子体熔融工艺，其中等离子体燃烧器和在相同端口中同时设置的单独的起动燃烧器的轴线以锐角在炉中相交。 只有起动燃烧器最初被操作才能在炉中的材料中形成一个火山口。 此后等离子体燃烧器被点燃并且当等离子体燃烧器以全效率运行时，起动燃烧器关闭。
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3.发明授权
公开(公告)号：US4390773A
公开(公告)日：1983-06-28
申请号：US231606
申请日：1981-02-05
申请人： Fred Esser , Detlev Klopper , Walter Lachner , Gerhard Scharf
发明人： Fred Esser , Detlev Klopper , Walter Lachner , Gerhard Scharf
IPC分类号： C21B13/12 , C21C5/52 , C22B9/22 , F27B3/08 , F27B3/20 , F27D99/00 , H05B7/00 , H05H1/00 , B23K1/00
CPC分类号： H05B7/00 , C21B13/125 , C21C5/5205 , C21C5/5229 , C22B9/226 , F27B3/08 , F27D2099/0031 , Y02P10/216
摘要： The invention relates to a metallurgical plasma melting furnace used for the melting of metals and alloys wherein at least one auxiliary start-up burner for liquid or gaseous fuels is so arranged adjacent to each plasma burner that the hot combustion gases enter into the plasma melting furnace through the same opening in the sidewall of the furnace vessel and melt a crater into the charge material in front of the plasma burner. After the crater has reached a sufficient size, the plasma burners can be reliably operated industrially.
摘要翻译： 本发明涉及一种用于熔化金属和合金的冶金等离子体熔化炉，其中用于液体或气体燃料的至少一个辅助启动燃烧器被布置成邻近每个等离子体燃烧器，热燃烧气体进入等离子体熔化炉 通过炉容器的侧壁中的相同的开口，并将火山口熔化到等离子体燃烧器前面的充电材料中。 在火山口达到足够的尺寸后，等离子体燃烧器可以在工业上可靠地工作。
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4.发明授权
公开(公告)号：US4434494A
公开(公告)日：1984-02-28
申请号：US231605
申请日：1981-02-05
CPC分类号： H05B7/06 , C21C5/5229 , Y02P10/216
摘要： The invention relates to a contact electrode for melting and heating furnaces with DC plasma heating wherein the flow body assures a uniform removal of heat over the entire end surface of the contact electrode, a temperature transmitter signals exceptional thermal loads, and a steel head is metallically connected as wear part to the end surface of the contact electrode.
摘要翻译： 本发明涉及一种用于用DC等离子体加热熔化和加热炉的接触电极，其中流体确保在接触电极的整个端面上均匀地除去热量，温度传感器指示出异常的热负荷，钢头是金属的 作为耐磨部分连接到接触电极的端面。
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