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115 条记录 (耗时 0.017 秒)

    Continuous casting method with rolls and relative device
    6.
    发明公开
    Continuous casting method with rolls and relative device 审中-公开
    Stranggiessverfahren mit Rollen und entsprechende Anlage

    公开(公告)号：EP1160028A1

    公开(公告)日：2001-12-05

    申请号：EP01112792.5

    申请日：2001-05-28

    申请人： DANIELI & C. OFFICINE MECCANICHE S.p.A.

    发明人： Poloni, Alfredo ,  Kapaj, Nuredin

    IPC分类号： B22D11/06 ,  B22D11/126

    CPC分类号： B22D11/0625 ,  B21B1/463 ,  B22D11/126

    摘要： Continuous casting method and device (10) with rolls for plane products such as strips (13), wherein counter-rotating rolls (11) are partly immersed in a container (21) containing molten metal (22), said rolls (11) being arranged parallel and adjacent to define a gap (12) through which the strip (13) to be produced is extracted upward, said strip (13) being formed by the union of two semi-skins which are formed on the respective surfaces of said rolls (11) and are joined together in correspondence with a line of contact (30), said method providing that shearing means (27), arranged substantially in cooperation with the periphery of said rolls (11), act on the sides of said strip (13) to define at least the width of said strip (13) extracted from said rolls (11).

    摘要翻译： 连续铸造方法和装置（10）具有用于诸如条带（13）的平面产品的辊，其中反向旋转辊（11）部分浸没在包含熔融金属（22）的容器（21）中，所述辊（11）为 平行并相邻地限定出间隙（12），待生产的条带（13）通过所述间隙向上抽出，所述条带通过两个半皮的结合形成，所述两个半表面形成在所述辊的相应表面上 （11）并且与接触线（30）相对应地接合在一起，所述方法提供了基本上与所述辊（11）的周边配合设置的剪切装置（27）作用在所述条的侧面 以限定从所述辊（11）提取的所述条带（13）的至少宽度。

    Gas and oxygen reactor and method for the production of reducing elements
    7.
    发明公开
    Gas and oxygen reactor and method for the production of reducing elements 审中-公开
    Gasen und Sauerstoffreaktor和Methode zur Herstellung von reduzierenden Elementen

    公开(公告)号：EP1136443A1

    公开(公告)日：2001-09-26

    申请号：EP01106413.6

    申请日：2001-03-21

    申请人： DANIELI & C. OFFICINE MECCANICHE S.p.A.

    发明人： Pavlicevic, Milorad ,  Poloni, Alfredo ,  Primavera, Alessandra ,  Milic, Ljuban

    IPC分类号： C01B3/36 ,  B01J12/00 ,  B01J19/24 ,  F23C6/04 ,  F23D14/66 ,  F23D14/62

    CPC分类号： F23C6/047 ,  B01J12/00 ,  B01J19/244 ,  B01J19/26 ,  B01J2219/00051 ,  C01B3/36 ,  C01B3/363 ,  F23D14/62 ,  F23D14/66 ,  Y02E20/348

    摘要： A natural gas and oxygen reactor (1) having a main combustion chamber (5) fed by two feeding ducts (2, 6), for natural gas (G1) and oxygen (O) which mix and combust in the pre-combustion chamber (4) placed between the feeding ducts (2, 6) and the main combustion chamber (5). A second gaseous mixture, made by natural gas (G2) and oxidising gas (S), is first mixed in a mixing chamber (3) coaxially surrounding the second chamber (4) and subsequently introduced in the main combustion chamber (5) wherein it mixes with the burnt gas coming out of the pre-combustion chamber (4) and undergoes the second combustion. The produced final gases, rich in reducing compounds are useful for the reduction of iron ores. A method for reduction of iron ores by means of a gas and oxygen reactor is also disclosed.

    摘要翻译： 一种天然气和氧气反应器（1），其具有由两个供给管道（2,6）供应的主燃烧室（5），用于天然气（G1）和氧气（O），其在预燃烧室中混合和燃烧 4）放置在进料管道（2,6）和主燃烧室（5）之间。 由天然气（G2）和氧化气体（S）制成的第二气体混合物首先在同轴地围绕第二室（4）的混合室（3）中混合，随后引入主燃烧室（5） 与从燃烧室（4）出来的燃烧气体混合并进行第二次燃烧。 产生的富含还原性化合物的最终气体可用于还原铁矿石。 还公开了一种通过气体和氧气反应器还原铁矿石的方法。

    Double hearth electric arc furnace for continuous melting
    10.
    发明公开
    Double hearth electric arc furnace for continuous melting 失效
    多萜科植物维生素Lichtbogenofen zum kontinueierlichen Schmelzen

    公开(公告)号：EP0843020A1

    公开(公告)日：1998-05-20

    申请号：EP97119472.5

    申请日：1997-11-06

    申请人： DANIELI & C. OFFICINE MECCANICHE S.p.A.

    发明人： Pavlicevic, Milorad ,  Della Negra, Angelico ,  Poloni, Alfredo ,  Gensini, Gianni

    IPC分类号： C21C5/52 ,  C21C5/56 ,  F27D13/00 ,  C22B1/00

    CPC分类号： C21C5/565 ,  C21C5/5252 ,  F27D13/002

    摘要： Electric arc furnace to continuously melt steel and its alloys including at least a first body (11) comprising an upper zone (35) for the loading of the raw material (17) and a lower zone (36) for the melting and the first refining of the molten metal, and at least a second body (12) including a zone (37) with the function of decanting and refining the liquid metal and with a tapping hole (30) for the liquid metal, the first (11) and second (12) bodies forming a single body connected by means of a channel (13) through which the liquid metal is transferred, the upper zone (35) of the first body (11) cooperating at least with loading means (24), the first (11) and second (12) bodies including at least a respective central and vertical electrode (14,114) and relative anodes (15) located on the bottom part, the first body (11) including on the side walls heating burners (22) and supersonic lances (23) to blow in oxygen and the second body (12) including on the bottom part tuyères (26) to blow in carbon, the loading means (24) to load the raw material (17) being of the continuous type and associated with means to stir and distribute (19, 20) the raw material (17) in a homogeneous manner, the channel (13) being associated with means to regulate the flow from one body (11) to the other (12).

    摘要翻译： 电弧炉连续地熔化钢及其合金，其包括至少第一主体（11），第一主体（11）包括用于装载原料（17）的上部区域（35）和用于熔化和第一精炼的下部区域（36） 的熔融金属，以及至少第二主体（12），其包括具有倾析和澄清液体金属的功能的区域（37）和用于液体金属的出口孔（30），第一（11）和第二 （12）通过通道（13）连接的单体，液体金属通过该通道连接，第一主体（11）的上部区域（35）至少与加载装置（24）配合，第一 （11）和至少包括位于所述底部上的相应中心和垂直电极（14,114）和相对阳极（15）的第二主体（12），所述第一主体（11）包括在侧壁上加热燃烧器（22）和 超音速喷枪（23）吹入氧气，第二主体（12）包括在底部风口（26）上，至 吹入碳，装载装置（24）将原料（17）装载为连续型，并与均匀地搅拌和分配（19,20）原料（17）的装置相关联，通道（ 13）与调节从一个主体（11）到另一个（11）的流动的手段相关联。