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    • 3. 发明申请
    • NOZZLE AND CASTING INSTALLATION
    • 喷嘴和铸件安装
    • WO2015067733A1
    • 2015-05-14
    • PCT/EP2014/074006
    • 2014-11-07
    • VESUVIUS CRUCIBLE COMPANYVESUVIUS GROUP, S.A.
    • RICHAUD, JohanKREIERHOFF, MartinWARMERS, Christian
    • B22D11/00B22D41/50
    • B22D41/50B22D11/009B22D35/04B22D41/08
    • The present invention concerns a submerged nozzle (1) for casting steel comprising: • an inlet portion (1A), • an elongated portion (1B) extending along a first longitudinal axis, X1, from said inlet portion (1A), or adjacent thereto, to, • an outlet portion (1C), defined by an outer peripheral wall and comprising a first outlet front port (35) opening on said outer peripheral wall, • a pouring bore (50) extending parallel to the first longitudinal axis, X1, opening at said inlet orifice (18) and extending at least partly in the outlet portion (1C) of the nozzle whence it opens to the atmosphere at least through said first front port (35), which extends along front port direction, Y1, transverse to said first longitudinal axis, X1, from a front port inlet end (35i) joining the bore (50) to a front port outlet end (35o) opening at the outer peripheral wall of the outlet portion of the nozzle, • wherein a planar cut of the nozzle outlet portion (1C) along a plane normal to the first longitudinal axis, X1, passing through the front port inlet (35i) comprises: o the outline of the bore (50), defined by the bore perimeter (50P) and by the bore centroid (50x) of the area defined by said bore perimeter and, o the outline of the outer peripheral wall of the outlet portion of the nozzle defined by the wall perimeter (1P) and the wall centroid (1x) of the area defined by said wall perimeter, and o a first transverse axis, Y, passing by the bore centroid (50x) and extending along a direction parallel to the orthogonal projection of the front port direction, Y1, onto the plane of the cut, characterised in that, in said planar cut: • the bore centroid (50x) and wall centroid (1x) are distinct and separated by a distance, d≠ 0. • The segment extending along the first transverse axis, Y, from the bore centroid (50x), to the wall perimeter (1P) is longer than the segment extending from the wall centroid (1X) to the intersecting point between the first transverse axis, Y, and the wall perimeter (1P).
    • 本发明涉及一种用于铸钢的浸没式喷嘴(1),包括:•入口部分(1A),•从所述入口部分(1A)或与其相邻的沿着第一纵向轴线X1延伸的细长部分(1B) ,一个出口部分(1C),由外周壁限定,并包括在所述外周壁上开口的第一出口前端口(35);·平行于第一纵向轴线延伸的倾倒孔(50),X1 ,在所述入口孔(18)处开口并且至少部分地在所述喷嘴的出口部分(1C)中延伸,其至少通过沿着前端口方向延伸的所述第一前端口(35)向大气开放, 从连接孔(50)的前端口入口端(35i)到在喷嘴的出口部分的外周壁处开口的前端口出口端(35o)横向于所述第一纵向轴线X1,其中a 喷嘴出口部分(1C)沿垂直于该平面的平面进行平面切割 通过前端口入口(35i)的第一纵向轴线X1包括:由孔周边(50P)限定的孔(50)的轮廓和由所述孔周边(50P)限定的区域的孔重心(50x) 周边,以及o由所述壁周界(1P)限定的所述喷嘴的出口部分的外周壁和由所述壁周界限定的区域的壁重心(1x)和所述第一横向轴线Y, 通过孔重心(50x)并且沿着平行于前端口方向Y1的正交突起的方向延伸到切割平面上,其特征在于,在所述平面切割中:•孔重心(50x)和 壁重心(1x)是不同的并且分开一段距离,d≠0。•沿着第一横向轴线Y从孔重心(50x)延伸到壁周长(1P)的段比延伸的段长 从墙壁重心(1X)到第一横向轴之间的相交点 s,Y和壁周长(1P)。
    • 4. 发明申请
    • 上ノズルの使用方法
    • 使用上喷嘴的方法
    • WO2014010136A1
    • 2014-01-16
    • PCT/JP2012/082181
    • 2012-12-12
    • 黒崎播磨株式会社
    • 溝部 有人古川 兼士続木 哲生山本 正樹栗栖 譲二
    • B22D11/10B22D41/50B22D41/58
    • B22D41/50B22D41/08B22D41/58
    • エネルギー損失の少ないスムーズ(一定)な溶鋼の流れを作り出すことで付着物の発生を抑えることが可能な内孔形状を備えた上ノズルに、ガス吹き込み機能を付加して、更に付着物の発生を抑えるために、ノズル長さをL、計算上のヘッド高さをH、上端部から下方への距離zにおける半径をr(z)としたとき、溶鋼が通過する内孔の軸に沿って切断した内孔壁面の断面形状が、log(r(z))=(1/1.5)×log((H+L)/(H+z))+log(r(L))と、log(r(z))=(1/6)×log((H+L)/(H+z))+log(r(L))で表される曲線の間のr(z)のz微分が連続する曲線であるノズルを使用し、内孔を通過する溶鋼の上ノズル最下端部の流速V L (m/s)と、溶鋼の流量Q L (L/s)と吹き込みガス流量Q G (NL/s)の体積比であるガス比率R G =(Q G /Q L )×100(%)が、R G ≦4.3×V L の関係を満足するようにする。
    • 为了通过向具有能够以最小的能量损失产生平滑(均匀)钢水流的孔形状的上喷嘴添加气体吹入功能来进一步限制增压的发生,以限制积聚的发生,喷嘴为 使用其中,当喷嘴长度为(L)时,计算出的头部高度为(H),从上端向下的距离(z)处的半径为(r(z)),横截面形状 钢水通过的孔的壁面,沿着孔的轴线切割的横截面是曲线,其中曲线之间的(r(z))的(z)的导数表示为 通过log(r(z))=(1 / 1.5)xlog((H + L)/(H + z))+ log(r(L))和log(r(z))=(1/6) xlog((H + L)/(H + z))+ log(r(L))是连续的。 喷嘴被配置为使得通过上喷嘴最下端的孔的钢水的流速(VL)(m / s)和气体比(RG)=(QG / QL)×100(%) (QG)(NL / s)与钢水流量(L / s)的体积比是满足关系式(RG)<= 4.3×(V L) 。
    • 6. 发明申请
    • MOLTEN METAL HANDLING VESSEL
    • MOLTEN金属处理船
    • WO01058623A1
    • 2001-08-16
    • PCT/GB2001/000464
    • 2001-02-07
    • B22D11/10B22D41/02B22D41/08
    • B22D41/08B22D41/02
    • A molten metal handling vessel (23), comprising a base and one or more sidewalls surrounding the base and extending upwardly therefrom, the interior surfaces of the base and sidewall(s) each comprising a lining formed from refractory material, the sidewall lining (11) including a ledge (21) spaced a distance (x) from the base lining, the ledge projecting inwardly into the interior of the vessel and extending around at least a quarter of the periphery of the base, and all parts of the sidewall lining below the ledge projecting at least as far into the vessel as does the ledge.
    • 一种熔融金属处理容器(23),其包括基部和围绕基部并从其向上延伸的一个或多个侧壁,基部和侧壁的内表面各自包括由耐火材料形成的衬里,侧壁衬里(11 )包括与基底间隔开距离(x)的凸缘(21),所述凸缘向内突出到所述容器的内部并且围绕所述基部的至少四分之一的边缘延伸,并且所述侧壁的所有部分在下面 突出部分至少与突出部一样突出到船只的远处。