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    • 1. 发明专利
    • Cooling equipment for steel plate
    • 钢板冷却设备
    • JP2006205225A
    • 2006-08-10
    • JP2005021471
    • 2005-01-28
    • Nippon Steel Corp新日本製鐵株式会社
    • NAKAGAWA MICHIHIRONAGAYA MASAHITOTSUKAGOSHI KAZUMOTO
    • B21B45/02B21B1/38C21D1/00
    • PROBLEM TO BE SOLVED: To provide cooling equipment for steel plate in which a steel plate conveyed in a high-temperature state in a hot rolling line can be uniformly cooled in the transverse direction thereof and production and maintenance are easy.
      SOLUTION: The cooling equipment 10 for the steel plate 13 is equipped with a plurality of upper and lower spray units 15, 16 for cooling the steel plate 13 conveyed by upper and lower draining rolls 12, 11, in which either or both of the upper and lower spray units 15, 16 are equipped with a housing 18 of a box type equipped with a water supply member 17, a casing 20 formed with a water chamber 19 which is removably stored in the housing 18 and is communicated with the water supply member 17, a plurality of water nozzles 21 connected to the water chamber 19, and an aperture 22 into which the tip of the each water nozzle 21 projecting from the casing 20 is fitted. The equipment has an apron 24 which is integrally connected to the casing 20 and is removably attached together with the casing 20 by means of a plurality of screws 23 to the housing 18.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种钢板的冷却设备,其中在热轧生产线中高温状态输送的钢板可以在其横向均匀地冷却,并且生产和维护容易。 解决方案:用于钢板13的冷却设备10配备有多个上下喷射单元15,16,用于冷却由上下排水辊12,11输送的钢板13,其中任一或两者均为 上部和下部喷射单元15,16配备有装有供水构件17的箱型壳体18,壳体20,其形成有水室19,水室19可移除地存储在壳体18中并与 供水构件17,连接到水室19的多个水喷嘴21和从壳体20突出的每个水喷嘴21的前端装配的孔22。 该设备具有一个与壳体20一体连接的挡板24,并通过多个螺钉23与壳体20可拆卸地连接到壳体18.版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • Apparatus and method for cooling hot-rolled wire material
    • 用于冷却热轧丝材料的装置和方法
    • JP2008100245A
    • 2008-05-01
    • JP2006283305
    • 2006-10-18
    • Nippon Steel Corp新日本製鐵株式会社
    • TSUKAGOSHI KAZUMOTO
    • B21B45/02B21B1/16
    • PROBLEM TO BE SOLVED: To provide an apparatus and a method for cooling a hot-rolled wire material, by which apparatus and method, the uniformity of cooling and the degree of freedom of installation can be advantageously secured.
      SOLUTION: The apparatus for cooling the hot-rolled wire material comprises a cooling pipe for forcedly cooling the hot-rolled wire material running through the inside thereof. The cooling pipe is divided into a plurality of sections in the circumference of the rolled material, and has a system for supplying refrigerant for every section. Further, every system for supplying refrigerant has a gas blowing system for mixing gas into the refrigerant liquid at an arbitrary ratio. In addition, thermometers for measuring the temperature of the rolled material in at least two sections of a plurality of circumferential sections of the rolled material are arranged on an inlet side and an outlet side of the cooling apparatus. Further, the cooling pipe in the cooling apparatus is arranged such that the pass line of the rolled material has a required curvature or a gradually changing curvature. The cooling condition is controlled for every section in the circumference of the rolled material using the apparatus.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种用于冷却热轧线材的设备和方法,通过该装置和方法可以有利地确保冷却的均匀性和安装的自由度。 解决方案:用于冷却热轧线材的设备包括用于强制冷却穿过其内部的热轧线材的冷却管。 冷却管在轧制材料的周围被分成多个部分,并且具有用于为每个部分供应制冷剂的系统。 此外,制冷剂供给系统具有将气体以任意比例混入制冷剂液体的气体吹出系统。 此外,在冷却装置的入口侧和出口侧设置用于测量轧制材料的多个周向部分的至少两个部分中的轧制材料的温度的温度计。 此外,冷却装置中的冷却管被布置成使得轧制材料的轧制线具有所需的曲率或逐渐变化的曲率。 使用该装置对轧制材料的圆周中的每个部分控制冷却条件。 版权所有(C)2008,JPO&INPIT
    • 3. 发明专利
    • Water spraying unit
    • 水喷涂单元
    • JP2006218515A
    • 2006-08-24
    • JP2005034860
    • 2005-02-10
    • Nippon Steel Corp新日本製鐵株式会社
    • TSUKAGOSHI KAZUMOTONISHIYAMA KAZUHIROYAMAMOTO RYUJIUENO HIRONORINAKAGAWA MICHIHIRO
    • B21B45/02B21B1/38C21D9/52C21D9/573
    • PROBLEM TO BE SOLVED: To provide a water spraying unit by which a high-temperature steel sheet is cooled at a high cooling rate, and moreover the in-plane and surface and back faces of the steel sheet are uniformly cooled and the maintenance of which is easy. SOLUTION: The water spraying unit has: a plurality of water nozzles 14 which is arranged between adjacent pairs of upper and lower dewatering rolls 11, 12 and from which water is sprayed onto either or both of the upside and the downside of the steel sheet 13 in a high-temperature state, which is restrained and conveyed with a plurality of sets of the pairs of the upper and lower dewatering rolls 11, 12; and a water chamber 19 which is connected to a water supply source and also the water nozzles 14. The water inlets 37 of the water nozzles 14 and the water outlet 41 of the water supplied from the water supply source are respectively arranged in the water chamber 19, and in the case of an upper unit 15, the water inlets 37 are set at the higher position than the water outlet 41, and in the case of a lower unit 16, the water inlet 37 is set at the lower position than the water outlet 41a. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供一种高温钢板以高冷却速度冷却的喷水单元,此外钢板的面内和表面和背面被均匀地冷却, 维护方便。 解决方案:喷水装置具有:多个水喷嘴14,其布置在相邻的上下脱水辊11,12之间,并将水喷洒到上下脱水辊11,12的上下两侧之一或两侧 钢板13处于高温状态,其被多组成对的上下脱水辊11,12约束并输送; 以及连接到供水源和水喷嘴14的水室19.水喷嘴14的入水口37和从供水源供应的水的出水口41分别设置在水室 如图19所示,在上部单元15的情况下,水入口37设定在比出水口41更高的位置,在下部单元16的情况下,进水口37设定在比下侧位置 出水口41a。 版权所有(C)2006,JPO&NCIPI
    • 4. 发明专利
    • Method and device for guiding steel material when rolling bar
    • 用于在轧制棒上引导钢材的方法和装置
    • JP2005177855A
    • 2005-07-07
    • JP2003426189
    • 2003-12-24
    • Nippon Steel Corp新日本製鐵株式会社
    • SADANO YUTAKANAKAMURA YOSHITAKATSUKAGOSHI KAZUMOTO
    • B21B39/18B21B39/00B21B39/14B21B39/28B21B41/08
    • PROBLEM TO BE SOLVED: To provide a method and a device for guiding a steel material when rolling a bar in which a hot steel material while rolling a bar can reasonably and stably be guided to different lines separate in the height direction and the transverse direction to the shortest distance, mistaken roll or abrasion caused by defective guide can be reduced, temperature drop of the steel material caused by reduction of the pass line length can be prevented, and the cost of guide equipment can be reduced.
      SOLUTION: In a guide pass line for guiding a steel material from the direction A to another direction (B) parallel thereto, the steel material is guided along an S-shaped oblique in-plane curved line formed in connecting an arc in contact with a line in the direction (A) and a middle point of a line segment (C) to an arc in contact with a line in the direction (B) and the middle point of the line segment (C) when the line section (C) with one point on each line being an end thereof is drawn on the plane including two lines in the direction (A) and the direction (B).
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于在轧制钢条时引导钢材的方法和装置,其中在轧制棒材的过程中,热钢材料可以合理且稳定地被引导到在高度方向上分开的不同的管线, 横向方向最短距离,引导故障引起的错误滚动或磨损可以降低,可以防止由于通过线路长度的减小引起的钢材温度下降,从而可以降低导向设备的成本。 解决方案:在将钢材从方向A向平行于另一方向(B)引导的导向线中,钢材沿着连接弧形的S形倾斜面内曲线引导 与线段(C)的方向(B)和中间点的线接触的方向(A)的线和线段(C)的中点与弧线接触, (C),其每一行上的一个点为其端部,在包括在方向(A)和方向(B)上的两条线的平面上被绘制。 版权所有(C)2005,JPO&NCIPI
    • 5. 发明专利
    • Method and device for cooling steel bar and wire, and nozzle member
    • 用于冷却钢棒和电线的方法和装置,以及喷嘴构件
    • JP2011156575A
    • 2011-08-18
    • JP2010021409
    • 2010-02-02
    • Nippon Steel Corp新日本製鐵株式会社
    • TSUKAGOSHI KAZUMOTO
    • B21B45/02
    • PROBLEM TO BE SOLVED: To provide a method and a device for cooling a steel bar and wire, by which cooling length and heat-recuperation length are comparatively freely set to produce a steel bar and wire of high quality by uniformly cooling them, and to provide a nozzle member suitable for the cooling device.
      SOLUTION: The cooling method for a steel bar and wire is used in a hot-rolling step of a steel bar and wire. A plurality of nozzle units 30, each of which is provided with a cooling nozzle part 41 for jetting a cooling fluid to a steel bar and wire S passing and with a removing nozzle part 46 for removing the cooling fluid adhered to the surface of the steel bar and wire S by jetting a removing fluid to the steel bar and wire S, is arranged in series along the advancing direction of the steel bar and wire S. The cooling length and the heat-recuperation length of the steel bar and wire S are set by selectively using or not using the a cooling nozzle part 41 and the removing nozzle part 46 in each of the nozzle units 30.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供一种用于冷却钢筋和钢丝的方法和装置,冷却长度和热回收长度相对自由地设定,以通过均匀冷却来生产高质量的钢棒和钢丝 并且提供适于冷却装置的喷嘴构件。 解决方案:钢筋和钢丝的冷却方法用于钢筋和钢丝的热轧步骤。 多个喷嘴单元30,每个喷嘴单元30设置有冷却喷嘴部分41,用于将冷却流体喷射到钢棒和通过的丝线S以及用于去除附着到钢的表面上的冷却流体的去除喷嘴部分46 沿着钢棒和钢丝S的前进方向串联地排列向钢筋和钢丝S喷射除去流体的棒材和钢丝S.钢棒和钢丝S的冷却长度和热回收长度为 通过选择性地使用或不使用每个喷嘴单元30中的冷却喷嘴部分41和去除喷嘴部分46来设定。版权所有(C)2011,JPO&INPIT
    • 6. 发明专利
    • Adjustable cooling apparatus and method for thick steel plate
    • 可调式冷却装置和厚钢板的方法
    • JP2005305490A
    • 2005-11-04
    • JP2004124182
    • 2004-04-20
    • Nippon Steel Corp新日本製鐵株式会社
    • SADANO YUTAKASERIZAWA YOSHIHIROTSUKAGOSHI KAZUMOTO
    • B21B1/38B21B45/02
    • PROBLEM TO BE SOLVED: To provide an adjustable cooling apparatus and an adjustable cooling method of a thick steel plate in which cooling conditions are adjustable in accordance with the size of a thick steel plate, the uniform cooling of the thick steel plate is made possible, the uniformity in a shape property and a material property is ensured easily at a low cost and stably in the case the thick steel plate after hot rolling is adjustably cooled by jet cooling medium from spray nozzles while restraining and conveying the plate between front and rear restraining rolls.
      SOLUTION: The adjustable cooling apparatus for the thick steel plate is constituted so that the spray nozzles for jetting the cooling medium onto the side of upper surface and the side of back surface across the thick steel plate which is restrained and conveyed with front and rear restraining rolls and cooling medium guide plates for adjusting the thickness of a cooling-medium flow are arranged vertically movably and a plurality of pairs of side plates for adjusting the discharge of the cooling medium flow from both side ends of the thick steel plate in the proximity position of both the side end parts of the thick steel plate are arranged vertically movably between these upper and lower cooling medium guide plates by selecting the pair corresponding to the width of the thick steel plate. And the adjustable cooling method using this adjustable cooling apparatus is provided.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供可根据厚钢板的尺寸调节冷却条件的厚钢板的可调冷却装置和可调冷却方法,厚钢板的均匀冷却是 可以在低成本的情况下容易地确保形状特性和材料性质的均匀性,并且在热轧后的厚钢板通过喷射冷却介质从喷嘴可调节地冷却的情况下稳定地稳定地将板在前面 和后限制辊。 解决方案:用于厚钢板的可调节冷却装置构成为用于将冷却介质喷射到横过厚钢板的上表面和后表面侧的喷嘴,该钢板被前面约束并传送 并且用于调节冷却介质流的厚度的后限制辊和冷却介质导向板被布置成可垂直移动,并且用于调节冷却介质的排放的多对侧板从厚钢板的两个侧端流出 通过选择对应于厚钢板的宽度的对,厚钢板的两个侧端部的接近位置被布置成在这些上下冷却介质导板之间垂直移动。 并提供使用该可调节冷却装置的可调冷却方法。 版权所有(C)2006,JPO&NCIPI
    • 8. 发明专利
    • WALKING HEARTH TYPE HEATING FURNACE AND METHOD FOR CARRYING ROUND CROSS SECTIONAL MATERIAL
    • JP2000017325A
    • 2000-01-18
    • JP17992198
    • 1998-06-26
    • NIPPON STEEL CORP
    • TSUKAGOSHI KAZUMOTOKAWAHARA SHIGEOISHIZAKI MITSUGI
    • C21D1/00F27B9/24
    • PROBLEM TO BE SOLVED: To provide a method and a device for turning a material at a suitable position in a furnace in order to achieve the decrease of uneven heat at the upper and the lower parts of a material to be heated while restraining the lowering of a furnace capacity and the increase of an equipment cost to the minimum in a walking hearth type heating furnace. SOLUTION: In the limited range of at least either one of a moving furnace hearth or a fixed furnace hearth in this walking hearth type heating furnace for a steel material, one pair or more of slopes 2 rolling down a round cross sectional material with the material dead wt., are formed and a furnace hearth in a range except the slopes is almost flattened. The shape of the slope is formed so that the length B2 in the slope horizontal direction of a side where the material steps over, is got over even in the shortest carrying pitch. Further, the length B1 of the slope on which the material rolls down, is made so as to obtain the necessary material rotation per one time. Then, the material is rolled down by laying the slope at each one time of carrying. In this way, even in the case that the interval of the material is not specially widened, the material is uniformly heated from the all surfaces in order according to the turning to decrease the uneven heat at the upper and the lower parts.
    • 10. 发明专利
    • WALKING HEARTH TYPE HEATING FURNACE AND METHOD FOR TRANSPORTING MATERIAL TO BE HEATED
    • JPH11302722A
    • 1999-11-02
    • JP10818498
    • 1998-04-17
    • NIPPON STEEL CORP
    • TSUKAGOSHI KAZUMOTOKAWADA ISAMUISHIZAKI MITSUGI
    • C21D1/00F27B9/24
    • PROBLEM TO BE SOLVED: To change the spacings between materials to be heated in a suitable position in a walking hearth type heating furnace in order to minimize the degradation in capability at the time of opening the spacings between the materials so as to reduce the vertical heat deviation of the materials to be heated in this furnace. SOLUTION: A moving hearth is divided at several points in the longitudinal direction of the furnace. Horizontal transporting devices 17, 18 are discretely installed to the respective moving hearths 1, 2 to make the spacings between the adjacent materials 5 to be heated changeable by demarcating at their respective dividing parts 6. The hearth of the dividing parts of the moving hearths are composed of >=1 pair of rugged parts viewed flatly and are so formed as to prevent the disengagement of the fitting of the rugged parts in spite of a change in the distances between the respective moving hearths by transportation, by which the instantaneous fall of the materials to be heated into the spacings of the dividing parts 16 during the transportation is prevented. Further, in the case of the materials to be heated of a circular shape in section, the stationary hearth side is provided with a slope for rolling down the materials from the dividing parts to an extraction side. The lower part of the slope is provided with stoppers facing backward from the slope from which the materials fall.