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    • 4. 发明申请
    • TUBE ROLLING PLANT
    • 管道轧制厂
    • WO2011083367A1
    • 2011-07-14
    • PCT/IB2010/050017
    • 2010-01-05
    • SMS INNSE SPAMARIN, PaoloPALMA, VincenzoZANELLA, Guido EmilioGRASSINO, Jacopo
    • MARIN, PaoloPALMA, VincenzoZANELLA, Guido EmilioGRASSINO, Jacopo
    • B21B23/00
    • B21B19/04B21B13/04B21B17/04B21B19/08B21B23/00B21B25/00B21B37/78B21B38/006B21B38/04B21B2013/025
    • The invention relates to a plant for performing the rolling of seamless tubes, typically with a large diameter. The plant comprises: a furnace for heating billets produced by means of continuous casting; a piercing mill for piercing longitudinally the billets so as to obtain a pierced blank; an expanding-elongating mill for expanding the diameter of the pierced blank and for elongating the pierced blank so as to obtain a semi-finished tube; a continuous main rolling mill of the type comprising stands with two or more rolls, in which the radial position of the rolls is adjustable, for performing rolling of a tube on a retained mandrel; a fixed-roll extracting-reducing mill positioned downstream of the main rolling mill and in series therewith, the extracting-reducing mill being designed to extract the tube from the mandrel and to define a predetermined value for the diameter of the tube; a sizing mill for defining the diameter of the finished tube, the sizing mill being of the type in which the radial position of the rolls is adjustable; and a cooling bed. The plant according to the invention also comprises a by-pass line for feeding the pierced blank leaving the piercing mill directly to the main rolling mill, thereby avoiding the expanding-elongating mill.
    • 本发明涉及一种用于执行通常具有大直径的无缝管的轧制的设备。 该设备包括:用于加热通过连续铸造生产的坯料的炉; 一个穿孔机,用于纵向地穿过坯料,以获得一个穿孔的坯料; 用于使穿孔毛坯的直径扩大并延长穿孔毛坯以获得半成品管的扩展延伸研磨机; 这种类型的连续主轧机包括具有两个或更多个辊的机架,其中辊的径向位置是可调节的,用于在保持的心轴上执行管的滚动; 位于主轧机下游并与其串联的固定辊提取 - 减少磨机,所述提取还原机被设计成从所述心轴提取所述管并且限定所述管的直径的预定值; 用于限定成品管的直径的定径磨机,该定径磨机是可调整辊子的径向位置的类型; 和一个冷却床。 根据本发明的设备还包括用于将穿孔毛坯输送到穿孔机的旁路管线直接送到主轧机,从而避免了膨胀延伸的磨机。
    • 7. 发明申请
    • PLANT FOR ROLLING TUBES
    • 用于轧管的设备
    • WO2011030273A3
    • 2011-03-17
    • PCT/IB2010/053993
    • 2010-09-06
    • SMS INNSE SPAPACHER, MarcelloPALMA, VincenzoZANELLA, Guido, Emilio
    • PACHER, MarcelloPALMA, VincenzoZANELLA, Guido, Emilio
    • B21B23/00
    • The invention relates to a plant for rolling seamless tubes, typically with a large diameter. The plant comprises: a furnace for billets produced by means of continuous casting; a piercer for piercing the billets; a main continuous rolling mill of the retained-mandrel type with stands having three or more adjustable rolls; a fixed-roll extraction/reducing mill; means for measuring the wall thickness of the semi-finished tube; the main rolling mill being designed to adjust the rolls on the basis of the wall thickness of the tube leaving the extraction/reducing mill; a first intermediate furnace for tubes; an expander for expanding the diameter of the semi-finished tube to a value which is close to that of the finished tube; a reeler for ensuring a uniform surface finish inside the tube; a second intermediate furnace for tubes; a first sizing mill with stands having three or more adjustable rolls for defining the finished diameter; the first sizing mill comprising means for measuring the temperature of the incoming tube and means for measuring the diameter of the outgoing tube and being suitable for adjusting the rolls on the basis of the temperature and diameter; and a cooling bed. The plant also comprises, downstream of the extraction/reducing mill, a bifurcation generating a second line comprising a second sizing mill and a cooling bed. The second sizing mill is similar to the first sizing mill and is positioned off-line with respect to the extraction/reducing mill. The invention also relates to a method for rolling seamless tubes.
    • 本发明涉及通常具有大直径的用于轧制无缝管的设备。 该设备包括:用于通过连续铸造生产的坯料的炉子; 用于刺穿钢坯的穿孔机; 具有三个或更多个可调节辊的机架的保持心轴型主连续轧机; 固定辊提取/还原磨机; 用于测量半成品管的壁厚的装置; 主轧机设计用于根据离开提取/减压磨机的管的壁厚来调节辊; 用于管的第一中间炉; 膨胀器,用于将半成品管的直径扩大到接近成品管的直径; 用于确保管内部均匀表面光洁度的卷边机; 用于管的第二中间炉; 具有三个或更多个可调辊的支架的第一定型碾磨机,用于限定成品直径; 第一定型碾磨机包括用于测量进入管温度的装置和用于测量输出管直径并且适于基于温度和直径调节辊的装置; 和一个冷床。 该设备还包括在提取/还原磨机下游的分叉,该分叉产生包括第二定型碾磨机和冷却床的第二管线。 第二台上浆机与第一台上浆机相似,并且相对于提取/减压机离线。 本发明还涉及一种用于轧制无缝管的方法。
    • 8. 发明申请
    • PLANT FOR ROLLING TUBES
    • 轧钢管厂
    • WO2011030273A2
    • 2011-03-17
    • PCT/IB2010053993
    • 2010-09-06
    • SMS INNSE SPAPACHER MARCELLOPALMA VINCENZOZANELLA GUIDO EMILIO
    • PACHER MARCELLOPALMA VINCENZOZANELLA GUIDO EMILIO
    • B21B23/00
    • B21B23/00B21B17/04B21B17/14B21B19/04B21B19/08B21B19/10B21B38/006B21B38/04B21B39/18B21B43/00B21B45/004B21B2261/08B21B2261/20
    • The invention relates to a plant for rolling seamless tubes, typically with a large diameter. The plant comprises: a furnace for billets produced by means of continuous casting; a piercer for piercing the billets; a main continuous rolling mill of the retained-mandrel type with stands having three or more adjustable rolls; a fixed-roll extraction/reducing mill; means for measuring the wall thickness of the semi-finished tube; the main rolling mill being designed to adjust the rolls on the basis of the wall thickness of the tube leaving the extraction/reducing mill; a first intermediate furnace for tubes; an expander for expanding the diameter of the semi-finished tube to a value which is close to that of the finished tube; a reeler for ensuring a uniform surface finish inside the tube; a second intermediate furnace for tubes; a first sizing mill with stands having three or more adjustable rolls for defining the finished diameter; the first sizing mill comprising means for measuring the temperature of the incoming tube and means for measuring the diameter of the outgoing tube and being suitable for adjusting the rolls on the basis of the temperature and diameter; and a cooling bed. The plant also comprises, downstream of the extraction/reducing mill, a bifurcation generating a second line comprising a second sizing mill and a cooling bed. The second sizing mill is similar to the first sizing mill and is positioned off-line with respect to the extraction/reducing mill. The invention also relates to a method for rolling seamless tubes.
    • 本发明涉及通常具有大直径的无缝管的轧制设备。 该设备包括:通过连续铸造生产的坯料炉; 用于穿孔的穿孔机; 具有三个或更多个可调节辊的支架的保持心轴型主连续轧机; 固定辊提取/还原磨; 用于测量半成品管壁厚度的方法; 主轧机被设计成基于离开提取/还原轧机的管的壁厚来调节轧辊; 第一个管中间炉; 用于将半成品管的直径扩大到接近成品管的直径的膨胀机; 用于确保管内均匀表面光洁度的卷取机; 用于管的第二中间炉; 具有用于限定最终直径的三个或更多个可调节辊的支架的第一上浆机; 第一定型磨机包括用于测量进入管的温度的装置和用于测量出口管的直径的装置,并且适于基于温度和直径来调节辊; 和一个冷却床。 该设备还包括在提取/还原磨机下游的产生包括第二施胶机和冷却床的第二管线的分叉。 第二种施胶机类似于第一种施胶机,并且相对于提取/还原磨机离线定位。 本发明还涉及无缝管的轧制方法。
    • 10. 发明申请
    • AUTOTHERMIC CATALYTIC REACTOR WITH FLAT TEMPERATURE PROFILE FOR THE PRODUCTION OF HYDROGEN FROM LIGHT HYDROCARBONS
    • 具有平面温度曲线的自动催化反应器,用于从轻烃生产氢
    • WO2010016027A2
    • 2010-02-11
    • PCT/IB2009/053430
    • 2009-08-06
    • UNIVERSITA DEGLI STUDI DI SALERNOPALMA, VincenzoCIAMBELLI, PaoloPALO, EmmaVILLA, Pierluigi
    • PALMA, VincenzoCIAMBELLI, PaoloPALO, EmmaVILLA, Pierluigi
    • C01B3/38C01B3/40B01J8/02
    • B01J19/2485B01J23/002B01J23/464B01J35/04B01J37/0215B01J37/0225B01J2219/00063B01J2219/00117B01J2219/00157B01J2523/00C01B3/382C01B3/40C01B2203/0244C01B2203/0883C01B2203/0894C01B2203/1023C01B2203/1029C01B2203/1047C01B2203/1052C01B2203/1058C01B2203/1064C01B2203/107C01B2203/1076C01B2203/1082C01B2203/1294C01B2203/1604Y02P20/129Y02P20/52B01J2523/25B01J2523/48B01J2523/822
    • The present invention relates to the make of a heterogeneous gas-solid catalytic reactor operated in autothermic conditions, but characterised by a flat temperature profile, to be used in the distributed production of hydrogen, obtained by catalytic conversion of light hydrocarbons, air and water. The autothermic reactor (ATR) as a whole consists of a central zone where the structured catalyst is positioned, of a zone where the reactants, pre-heated beforehand by the effluent gases of the reactor, meet up and mix, and of two heat exchangers for recovering the sensitive heat of output gases by the cold reactants. This system configuration allows feeding the reactor directly with cold reactants at room ambient temperature, in particular with water in liquid phase, which is vaporised and heated directly by the sensitive heat of the reaction products. The operating conditions of the reactor in terms of temperature are clearly fixed by the choice of the feeding ratios O 2 /C(x), H 2 O/C(y) and by spatial velocity (GHSV). Typical values of feeding ratios fall within the ranges 0.3-1 and 0.5-2, respectively for x and y, whereas spatial velocity is comprised between 10000 and 200000 h -1 , corresponding to contact times variable within the range 20-400 thousandths second. Generally, in typical ATR reactors used industrially, temperature profiles in the catalytic bed are characterised by large gradients between the inlet and the outlet section (usually even higher than 200°C). The forming of such gradients is due to at least three factors that operate in a concurrent manner. In fact, the first factor is related to the intrinsic mechanism by which the autothermic reforming reaction takes place on the catalyst surface, a second one to the typical features of bad heat conductors of the catalyst supports normally used, and the third one to the fluid-dynamic conditions that set in the catalytic bed, typically consisting of packed particles. This invention concurrently uses three actions aimed at limiting the negative effects of the three factors listed above, in order to obtain the temperature profile flattening so as to optimise the operation of the ATR reactor both in terms of energy and of catalytic activity. In particular, the proposal relates to the following three actions: 1. the adoption of a specifically formulated catalyst so as to favour a "direct type" reaction mechanism, as opposed to commonly used catalysts that operate through an indirect mechanism 2. the use and the make of the catalyst on a structured support with a high porosity and tortuosity, and characterised by a high thermal conductivity such as fecralloy and/or silicon carbide coated with noble elements inserted in a chemical structure of the perovskite type with formula BaZr 1-x (noble Metal) X O 3 . 3. the adoption of a radial flow geometry catalytic bed rather than axial, so as to locally optimize the contact time in the catalytic bed.
    • 本发明涉及在自热条件下操作的异相气体 - 固体催化反应器的制造方法,其特征在于通过轻质烃,空气和水的催化转化获得的氢的分布式生产中使用的平坦的温度分布。 自热反应器(ATR)整体由结构化催化剂所在的中心区域组成,其中反应物预先被反应器的废气预先加热并混合的区域和两个热交换器 用于回收冷反应物的输出气体的敏感热。 该系统配置允许反应器在室温下直接与冷反应物一起进料,特别是与液相中的水反应,该反应物被反应产物的敏感的热量直接蒸发和加热。 通过选择进料比例O2 / C(x),H 2 O / C(y)和空间速度(GHSV),反应器在温度方面的操作条件显然是固定的。 进给比率的典型值分别对于x和y分别在0.3-1和0.5-2的范围内,而空间速度在10000和200000h-1之间,对应于可变范围在20-400秒秒内的接触时间。 通常,在工业上使用的典型的ATR反应器中,催化床中的温度曲线的特征在于入口和出口部分之间的大梯度(通常甚至高于200℃)。 这种梯度的形成是由于至少三个以同时方式操作的因素。 事实上,第一个因素与催化剂表面上发生自热重整反应的内在机制有关,第二个因素是通常使用的催化剂载体的不良热导体的典型特征,第三个与流体 设置在催化床中的动力学条件,通常由填充颗粒组成。 本发明同时采取三种措施来限制上述三个因素的负面影响,以获得温度曲线平坦化,从而在能量和催化活性方面优化ATR反应器的运行。 特别是,该提案涉及以下三个行动:1.采用专门配制的催化剂,以便有利于“直接型”反应机制,而不是通过间接机制运行的常用催化剂。2.使用和 催化剂在具有高孔隙率和弯曲度的结构化载体上的制备,并且其特征在于高导热性,例如用以BaBr 1-x(式(B))钙钛矿型化学结构插入的贵金属涂覆的fecralloy和/或碳化硅 贵金属)XO3。 3.采用径向流几何催化床而不是轴向,以便局部优化催化床中的接触时间。