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    • 9. 发明申请
    • INJECTOR FOR METAL MELTING FURNACES
    • 金属熔炼炉注射器
    • WO2004007776A2
    • 2004-01-22
    • PCT/EP2003/007431
    • 2003-07-09
    • DANIELI & C. OFFICINE MECCANICHE S.P.A.VECCHIET, FabioPAVLICEVIC, MiloradPOLONI, Alfredo
    • VECCHIET, FabioPAVLICEVIC, MiloradPOLONI, Alfredo
    • C21C5/52
    • F27D99/0033C21C5/4606C21C5/5217F23D14/24F23D14/32F23D14/78Y02P10/216
    • The following invention relates to an injector-burner for applications in the metalwork field, in particular for use in electric arc furnace melting processes having a frontal head with two series of holes arranged in two concentric crowns, the inner crown of holes used to feed fuel and the outer crown used to supply a supporter of combustion. A central hole is also provided, which is fitted with an oxygen injection nozzle. The holes of the two crowns are divided into groups separated by circular sectors without holes, in order to create a number of flames and are inclined in such a way as to give the gases supplied, and consequentially the flame generated, a rotation around the injector-burner axis. By regulating the flow-rates of the fuel and the supporter of combustion supplied to the various holes, the injector-burner is able to regulate the flame shape in burner mode and also in injection mode, thus guaranteeing optimum performance in all modes.
    • 以下发明涉及一种用于金属加工领域的喷射器 - 燃烧器,特别是用于电弧炉熔化过程中,其具有具有布置在两个同心冠中的两个孔系列的前端头,用于供给燃料的孔的内冠 和用于提供燃烧支持者的外冠。 还设有一个中心孔,配有一个氧气喷嘴。 两个冠的孔被分成几组,没有孔的圆形扇区分开,以便产生多个火焰,并且以这样的方式倾斜,以便产生供应的气体,从而产生火焰,产生的火焰围绕喷射器旋转 - 加力轴。 通过调节供给各种孔的燃料和燃烧支撑体的流量,喷射器 - 燃烧器能够调节燃烧器模式和喷射模式下的火焰形状,从而保证所有模式下的最佳性能。
    • 10. 发明申请
    • APPARATUS FOR IN-LINE THERMALLY TREATING SEMI-FINISHED PRODUCTS
    • 用于在线热处理半成品的设备
    • WO2012156302A2
    • 2012-11-22
    • PCT/EP2012/058752
    • 2012-05-11
    • DANIELI & C. OFFICINE MECCANICHE S.P.A.BORDIGNON, GiuseppePOLONI, AlfredoZERAJIC, Miroslav
    • BORDIGNON, GiuseppePOLONI, AlfredoZERAJIC, Miroslav
    • B21B45/02
    • B21B45/0215B21B45/0224
    • An apparatus (1) for cooling a bar (10) comprising: - an outer casing (3), - a passageway (2) defining a crossing direction (X) for the bar (10), - at least one drum (4) comprising a plurality of cooling lines (6) each having at least one respective through cavity (9) parallel to the crossing direction (X) and a respective cover (15) which can move between an open position and a closed position, the drum (4) being accommodated in the casing (3) and rotational about a rotation axis (Y) to move the cooling lines (6) between an operating position (11), in which the cavity (9) is aligned with the passageway (2), and at least one resting position (12), in which the cavity (9) is separated from the passageway (2), the casing (3) being shaped so as to touch and hold the respective cover (15) in the closed position when the cooling line (6) is in the resting position (12).
    • 一种用于冷却杆(10)的装置(1),包括: - 外壳(3), - 限定所述杆(10)的交叉方向(X)的通道(2), - 至少一个滚筒(4) 包括多个冷却管线(6),每个冷却管线具有平行于交叉方向(X)的至少一个相应的通孔(9)和能够在打开位置和关闭位置之间移动的相应的盖(15),所述滚筒 4)被容纳在壳体(3)中并且围绕旋转轴线(Y)旋转以使冷却管线(6)在空腔(9)与通道(2)对准的操作位置(11)之间移动, ,以及至少一个静止位置(12),其中所述空腔(9)与所述通道(2)分离,所述壳体(3)成形为使相应的盖(15)接触并保持在关闭位置 当冷却管线(6)处于静止位置(12)时。