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    • 2. 发明申请
    • IMPROVED PROCESS AND PLANT FOR PREHEATING A METAL CHARGE FED IN CONTINUOUS TO AN ELECTRIC MELTING FURNACE
    • WO2021144637A1
    • 2021-07-22
    • PCT/IB2020/061879
    • 2020-12-14
    • TENOVA S.P.A.
    • GIAVANI, CesareREALI, Silvio Maria
    • C21C5/52C21C5/56F27D13/00F27D17/00F27B3/18C21C2100/06C21C5/565F27D13/002F27D7/02
    • A process and plant for preheating a metal charge (11) fed in continuous to an electric melting furnace (12) through a preheating tunnel (16) provided with side walls, a vault and horizontal conveyor (13), wherein said metal charge (11) is enveloped in countercurrent by the fumes or exhaust gases (17) exiting from said electric melting furnace (12). According to said process and plant, the air intake for completing the combustion of said fumes or exhaust gases (17) is effected from the surrounding environment through openings along the preheating tunnel, preferably openings present at the interface between said preheating tunnel and said electric melting furnace, said intake being regulated by acting on suction fans and/or on said openings, on the basis of measurements revealed by temperature sensors (21) and/or composition of the outgoing gases located in the terminal part of said tunnel (16) or downstream of said part; the metal charge is enveloped by jets of gas ejected through a plurality of nozzles (15) arranged on the vault of said tunnel (16), the jets of gas injected by said nozzles (15) being non- uniformly distributed transversely on the vault of the preheating tunnel (16), with a greater concentration on the top of the vault of said tunnel (16) and the jets of gas being non- uniformly distributed longitudinally along said preheating A process and plant for preheating a metal charge (11) fed in continuous to an electric melting furnace (12) through a preheating tunnel (16) provided with side walls, a vault and horizontal conveyor (13), wherein said metal charge (11) is enveloped in countercurrent by the fumes or exhaust gases (17) exiting from said electric melting furnace (12). According to said process and plant, the air intake for completing the combustion of said fumes or exhaust gases (17) is effected from the surrounding environment through openings along the preheating tunnel, preferably openings present at the interface between said preheating tunnel and said electric melting furnace, said intake being regulated by acting on suction fans and/or on said openings, on the basis of measurements revealed by temperature sensors (21) and/or composition of the outgoing gases located in the terminal part of said tunnel (16) or downstream of said part; the metal charge is enveloped by jets of gas ejected through a plurality of nozzles (15) arranged on the vault of said tunnel (16), the jets of gas injected by said nozzles (15) being non- uniformly distributed transversely on the vault of the preheating tunnel (16), with a greater concentration on the top of the vault of said tunnel (16) and the jets of gas being non- uniformly distributed longitudinally along said preheating tunnel (16), transverse sections being provided along which said nozzles (15) are distributed, interspersed with longitudinal sections of tunnel (16) without said nozzles (15) so as to avoid interference phenomena.
    • 4. 发明申请
    • VERFAHREN ZUR STAHLERZEUGUNG UNTER EINSATZ STÜCKIGER EISENTRÄGER
    • 使用冰载体的钢生产方法
    • WO2018000004A1
    • 2018-01-04
    • PCT/AT2017/050014
    • 2017-06-19
    • FRITZ, Ernst
    • FRITZ, Ernst
    • C21C5/35C21C5/46C21C5/48C21C5/50C21C5/56F27D13/00
    • Es wird ein Verfahren zur Stahlerzeugung unter Einsatz stückiger Eisenträger in einem Konverter (1) beschrieben, wobei in den heißen mit stückigen Eisenträgern beschickten Konverter (1) Brennstoff und oxidierendes Gas durch Düsen (4) im Konverterboden (3) eingedüst und die heißen Brenngase durch das Beschickungsgut (12) geleitet werden, bevor dem vorgeheizten Beschickungsgut (12) Eisenschmelze zugeführt und die Schmelze zu Stahl gefrischt wird. Zur Vorheizung wird vorgeschlagen, dass der mit stückigen Eisenträgern beschickte Konverter (1) nach einem Verschließen der Konvertermündung (8) mit einem Rost (13) aus seiner Beschickungsstellung in eine Vorheizstellung mit nach oben weisendem Konverterboden (3) gedreht wird, bevor der Brennstoff und das oxidierende Gas durch die Düsen (4) in den sich oberhalb des Beschickungsguts (12) bildenden Brennraum (15) eingedüst und die das Beschickungsgut (12) durchströmenden Brenngase durch den Rost (13) abgeführt werden, und dass nach dem Vorheizen des Beschickungsguts (12) der Konverter (1) zum Zuführen der Eisenschmelze in seine Beschickungsstellung zurückgedreht und die Konvertermündung (8) geöffnet wird.
    • 用于使用第一导航使用ckiger Eisentr&AUML生产钢的方法; GER在一个转换器(1),其特征在于,大街在HOT;像带电转换器(1)的燃料s的第一导航用途ckigen Eisentr BEAR和 通过d导航氧化气体使用仙(4)在所述转换器底座(3)EVAP导航使用ST和热连接的燃烧气体通过预热的进料材料之前充电材料(12)通过(12)铁水供给导航使用动态熔体细化到钢 , 对于预热建议,所述ST导航用途ckigen Eisentr BEAR像带电转换器根据一个Verschlie ROAD烯的Konverterm导航用途发明(1)(8)用的格栅(13)从它的供给位置到预热位置朝上转换器底部(3 )通过d导航使用的燃料和氧化剂气体之前旋转仙(4)本身(形成所述燃烧室中的进料12)上述(15)EVAP导航使用第一和充​​电材料(12),通流&oUML;通过所述炉篦门登燃烧气体 (13)Deflec导航用途来进行,并且所述用于Zuf导航使用预热转换器的充电材料(12)(1)导致在用于导航使用ckgedreht和Konverterm导航用途发明其装载位置的铁水(8)GE&oUML之后;被打开

    • 5. 发明申请
    • BURNER FOR GAS HEATED FURNACE AND METHOD OF OPERATION THEREOF
    • 燃气加热炉的燃烧器及其操作方法
    • WO2017173537A1
    • 2017-10-12
    • PCT/CA2017/050413
    • 2017-04-05
    • MÉTAL 7 INC.
    • DORVAL, EricBEAUDIN, SteveDE CARUFEL, Guy
    • F23D11/40F23D11/10F27D13/00
    • A method of operating a burner assembly is provided. The method includes the steps of: providing combustible fuel at the input end of the burner assembly; providing atomization air at the input end of the burner assembly; transporting the combustible fuel and the atomization air to the output end of the burner assembly through concentric fluid lines; mixing the combustible fuel and the atomization air to atomize the combustible fuel; adjusting a flow of the combustible fuel and the atomization air to obtain atomized fuel with an air-to-fuel atomization ratio of less than 0.6; outputting the atomized fuel from a nozzle at the output end of the burner assembly; and igniting the atomized fuel to produce a flame. A burner assembly operable by said method, and a corresponding nozzle are also provided.
    • 提供了一种操作燃烧器组件的方法。 该方法包括以下步骤:在燃烧器组件的输入端提供可燃燃料; 在燃烧器组件的输入端提供雾化空气; 通过同心流体管线将可燃燃料和雾化空气输送到燃烧器组件的输出端; 混合可燃燃料和雾化空气以雾化可燃燃料; 调节可燃燃料和雾化空气的流量,以获得空气与燃料雾化比小于0.6的雾化燃料; 从燃烧器组件的输出端处的喷嘴输出雾化燃料; 并点燃雾化燃料产生火焰。 还提供了一种可通过所述方法操作的燃烧器组件以及相应的喷嘴。
    • 6. 发明申请
    • METHOD AND SYSTEM FOR DETERMINING THE MASS OF FEEDSTOCK ON A CONVEYOR
    • 用于确定输送机上原料质量的方法和系统
    • WO2017109543A1
    • 2017-06-29
    • PCT/IB2015/059871
    • 2015-12-22
    • ARCELORMITTAL
    • BAUMERT, Jean-ClaudeTHIBAUT, Jean-ClaudePICCO, Marco
    • F27B3/18F27B3/28F27D13/00F27D21/02F27D19/00B65G43/08C21C5/56
    • F27B3/18C21C5/565F27B3/28F27D13/002F27D19/00F27D21/02F27D2019/0096F27D2021/026Y02P10/216
    • A method and a system for determining a mass of feedstock discharged by a conveyor during a first time interval Δt are disclosed. The method comprises: taking successive digital images of the feedstock in a specific zone of the conveyor, two successive images being separated by a second time interval δt of smaller duration than the first time interval Δt; for each of the second time intervals δt: computing the advancing distance of a sub-volume of feedstock during the second time interval δt in the specific zone of the conveyor by numerical treatment of the two successive images associated with the second time interval δt; determining at least one transversal height profile of the sub-volume of feedstock; determining an effective feedstock density for the sub-volume of feedstock; and computing the mass of feedstock discharged by the conveyor during the first time interval Δt into the metallurgical furnace on the basis of the advancing distance, the at least one transversal height profile and the effective feedstock density, computed or determined for each of the second time intervals δt.
    • 公开了一种用于在第一时间间隔Δt期间确定由输送机排出的原料的质量的方法和系统。 该方法包括:在输送机的特定区域中获取原料的连续的数字图像,两个连续的图像以比第一时间间隔Δt更小的持续时间的第二时间间隔δt分开; 对于每个第二时间间隔δt:通过对与第二时间间隔δt相关联的两个连续图像的数字处理,计算在传送机的特定区域中的第二时间间隔δt期间原料的子体积的前进距离; 确定所述原料的所述子体积的至少一个横向高度分布; 确定原料的子体积的有效原料密度; 以及基于前进距离,至少一个横向高度分布和有效原料密度,计算在第一时间间隔Δt内由传送器排出的原料的质量,并计算或确定每个第二时间的冶金炉 间隔δt。
    • 7. 发明申请
    • SCHMELZVORRICHTUNG UND SCHMELZVERFAHREN
    • 熔化设备和融合
    • WO2016066163A1
    • 2016-05-06
    • PCT/DE2015/100454
    • 2015-10-28
    • FUCHS, Gerhard
    • FUCHS, Gerhard
    • F27B3/18C21C5/56F27D13/00F27D99/00
    • F27D13/002C21C5/565F27B3/183F27B14/02F27B14/06F27B2014/085F27D11/08F27D99/0073F27D99/0076Y02P10/216
    • Die vorliegende Erfindung betrifft eine Schmelzvorrichtung mit einem Beschickungsschacht (13, 13a) und einer Kippvorrichtung (4), durch die ein Ofengefäß (1) mit einem Ofengefäßdeckel (10) in unterschiedliche Kipppositionen um eine Kippachse (5a) kippbar ist, wobei der Ofengefäßdichtungsbereich als konvexe, zylindermantelabschnittsförmige Fläche ausgebildet ist und der Schachtdichtungsbereich des Beschickungsschachtes (13, 13a) als komplementäre konkave, zylindermantelabschnittsförmigen Dichtungsfläche ausgebildet ist, sodass sich Abschnitte der Dichtungsflächen der beiden Dichtungsbereiche in den unterschiedlichen Kipppositionen der Kippvorrichtung (4) einander jeweils so gegenüber liegen, dass der Übergangsbereich zwischen Beschickungsschacht (13, 13a) und Ofengefäß (1) in allen Kipppositionen des Ofengefäßes (1) zumindest weitgehend abgedichtet ist, sowie ein Schmelzverfahren, bei dem dem Beschickungsschacht (13, 13a) beschickungsseitig ein Bunkerbehälter (17, 17a) mit Chargiergut (39, 40, 41) vorangestellt ist, wobei im weiteren Verlauf dieses Verfahrens das Chargiergut (39, 40, 41) in dem Bunkerbehälter (17) durch Ofengas vorgewärmt wird, und nach dem Weiterbefördern dieses Chargierguts (39, 40, 41) von dem Bunkerbehälter (17, 17a) in den Beschickungsschacht (13) dieses Chargiergut (39, 40, 41 ) in dem Beschickungsschacht (13) durch Ofengas weiter vorgewärmt wird.
    • 本发明涉及具有充电轴(13,13A)和一个倾斜装置熔化设备(4),通过该炉容器(1)与在绕倾斜轴(5a)的不同倾斜位置的炉容器盖(10)是可倾斜的,其中所述炉容器的密封部作为 凸柱面护套分段成形的表面上形成,并且轴密封充电轴部(13,13A)被形成为互补的凹面的,柱体外壳扇形密封表面,以便在所述摇杆的不同倾斜位置上的两个密封区域的密封表面的部分(4)分别如此彼此相对,该 过渡进料槽之间在(1)被至少基本上密封的熔炉容器的所有倾斜位置炉容器(1)熔融法(区域(13,13A)和,并且其中所述进料槽(13,13a)的进料侧的料斗容器17,17A )随着充电材料(39,40,41)的前面,其特征在于,在该方法的进一步的过程中(充电材料39,40,41)(在注料容器17)由炉气预热,该充电材料(39,40的进一步输送之后, 41)(从料斗容器17,图17A)(在充电轴13)(以进料槽13)还通过炉气预热该充电材料(39,40,41)。
    • 8. 发明申请
    • APPARATUS TO MOVE AND PREHEAT METAL MATERIAL
    • 移动和预加金属材料的装置
    • WO2015181781A1
    • 2015-12-03
    • PCT/IB2015/054048
    • 2015-05-29
    • DANIELI & C. OFFICINE MECCANICHE S.P.A.
    • ANSOLDI, MarcoRAFFAGLIO, YuriPETREI, Daniele
    • F27B5/12F27D13/00C21C5/56F27B14/08
    • C21C5/565F27B5/12F27B14/0806F27B2014/085F27D13/002F27D17/002Y02P10/216
    • An apparatus (10) to move and preheat metal material (M) to be fed to a container (12) comprises a containing structure (14), having an internal compartment (14a) and provided with a support wall (18), a conveyor (20) for the material (M), a fume transit section (21) whose volume reduces as it is distanced from said container (12) along the longitudinal development of said containing structure (14), and a collector (22) for hot fumes (F) whose volume increases in a manner correlated to said reduction in the fume transit section (21). The collector (22) is located below said conveyor (20) inside the internal compartment (14a) essentially along the entire longitudinal development of said containing structure (14). Moreover, one or more through apertures (1 18a- 1 18h) are made in said support wall (18) to put the conveyor (20) and the collector (22) into fluidic connection.
    • 用于移动和预热待供给到容器(12)的金属材料(M)的装置(10)包括容纳结构(14),其具有内部隔室(14a)并且设置有支撑壁(18),输送机 (20),用于所述材料(M)的容纳空间(21),其沿着所述容纳结构(14)的纵向展开而与所述容器(12)分开的体积减小的烟道运送部分(21)和用于热的收集器 烟雾(F)的体积以与烟气转运部分(21)中的所述减少相关的方式增加。 收集器(22)基本上沿着所述容纳结构(14)的整个纵向展开位于内部隔室(14a)内的所述输送机(20)的下方。 此外,在所述支撑壁(18)中制造一个或多个通孔(118a-18h),以将输送机(20)和收集器(22)流体连接。