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1. 发明专利

JPH06341764A IN-FURNACE HANGING TYPE SPRAYING MACHINE HAVING ROTARY NOZZLE 失效
公开(公告)号：JPH06341764A
公开(公告)日：1994-12-13
申请号：JP12971693
申请日：1993-05-31
申请人： KUROSAKI REFRACTORIES CO , NIPPON STEEL CORP
发明人： MATSUO TAIYO , KURODA KOTARO , SEKI KAZUNORI , KOJIMA AKIRA , NOMURA MITSUO , KAKIUCHI KAZUMOTO
IPC分类号： C21B7/06 , B05D1/02 , F27B1/14 , F27D1/16
摘要： PURPOSE:To improve the accuracy of spraying and simplify the whole of a facility by a method wherein a power hoisting mechanism for a winching body, winching a spraying machine in a furnace, is constituted in a furnace so as to be operable through remote control and a rotary nozzle, added with a func tion to inch the hoisting operation of the hoisting body with a given interval, is provided. CONSTITUTION:Upon spraying work, a spraying machine 2 is introduced into a main body 1 for a blast furnace at first from an upper opening to hang it by a hanging body 3. Next, a motor winch 5 is operated utilizing the marking of a hanging chain 4 to position the spraying machine 2 at a predetermined height. Subsequently, a spray nozzle 6 is turned to spray. In this case, the number of rotation of the spray nozzle 6, the supplying amount of water and the operation of the motor winch 5 are controlled by a control board 7 and a neck hanging operation board 8 respectively. According to this method, the spray nozzle 6 is turned and inched in up-and-down through remote control whereby spraying accuracy can be improved. On the other hand, the water supplying pipe 11 of a feed water tank 10 is connected to an utility hose 9.

2. 发明专利

JPH06341766A IN-FURNACE HANGING TYPE SPRAYER HAVING ROTARY NOZZLE 失效
公开(公告)号：JPH06341766A
公开(公告)日：1994-12-13
申请号：JP12972393
申请日：1993-05-31
申请人： KUROSAKI REFRACTORIES CO , NIPPON STEEL CORP
发明人： MATSUO TAIYO , KURODA KOTARO , SEKI KAZUNORI , KOJIMA AKIRA , SATO TAKAYOSHI , ANZAI OSAMU
IPC分类号： C21B7/06 , B05D3/12 , F27B1/14 , F27D1/16
摘要： PURPOSE:To effect an efficient cleaning of a previously determined spray surface by detachably attaching a choke nozzle ejecting compressed air to a spray nozzle, in a spraying device consisting of a sprayer equipped with the spray nozzle, and hung rotatably in a furnace. CONSTITUTION:Upon spraying work, a sprayer 2 is introduced from the upper opening of main body 1 of a blast furnace at first and is hung by a hanging body 3. Next, an electric which 5 is operated utilizing the marking of a hanging chain 4 to position the sprayer 2 at a predetermined height. Subsequently, the spray nozzle 6 is turned to effect spraying. In this case, a choking nozzle 12 is attached to the spray nozzle 6 detachably by attaching a pin 15 to the pin hole 14 of an engaging unit 13. Compressed air is ejected out of the choking nozzle 12 previously whereby a previously determined spray surface A is cleaned efficiently. On the other hand, the number of rotation as well as the supplying amount of water of the spray nozzle 6 and the operation of the electric winch 5 are controlled respectively by a control board 7 and a neck-hanging control board 8.

3. 发明专利

JPH06341765A IN-FURNACE HANGING TYPE SPRAYING MACHINE HAVING ROTARY NOZZLE 失效
公开(公告)号：JPH06341765A
公开(公告)日：1994-12-13
申请号：JP12972293
申请日：1993-05-31
申请人： KUROSAKI REFRACTORIES CO , NIPPON STEEL CORP
发明人： MATSUO TAIYO , KURODA KOTARO , SEKI KAZUNORI , KOJIMA AKIRA , ENDO MASAMI , ANZAI OSAMU
IPC分类号： C21B7/06 , F27B1/14 , F27D1/16
摘要： PURPOSE:To improve the accuracy of spraying and simplify the whole of a facility by a method wherein a power hoisting mechanism for a hanging body, hanging a sprayer in a furnace, is controlled through remote control and the sprayer is provided with a rotary nozzle capable of being inched while a utility hose is operated synchronously. CONSTITUTION:Upon spraying work, a sprayer 2 is introduced from the upper opening of the main body 1 of a blast furnace at first to hang the sprayer by a hanging body 3. Next, an electric winch 5 is operated utilizing the marking of a hanging chain 4 to position the sprayer 2 at a predetermined height. Subsequently, a spray nozzle 6 is turned to effect spraying. In this case, the number of rotation and the amount of supplying water of the spray nozzle 6 as well as the operation of the electric winch 5 are controlled respectively by a control board 7 and a neck-hanging control board 8. According to this method, the spray nozzle 6 can be turned and inched up-and-down by remote control whereby spraying accuracy is improved. On the other hand, the hanging body 18 of an utility hose, connected to the feed water pipe 11 of a feed water tank 10, is also operated synchronously with the hanging body 3 of the sprayer 2.

4. 发明专利

JPH05118768A SPRAY DEVICE FOR BLAST FURNACE WALL 失效
公开(公告)号：JPH05118768A
公开(公告)日：1993-05-14
申请号：JP28479091
申请日：1991-10-30
申请人： KUROSAKI REFRACTORIES CO , NIPPON STEEL CORP
发明人： SEKI KAZUNORI , KURODA KOTARO , UCHIDA YOSHIHIKO , KOJIMA AKIRA , NOMURA MITSUO
IPC分类号： C21B7/06 , F27D1/16
摘要： PURPOSE:To prevent rocking of a spray gun in order to improve the operational efficiency by a method wherein, in a suspension mechanism for the spray gun for use in wall spray inside a blast furnace for the repair work thereof, at least one of the gun slings has a predetermined load exerted thereon for the balancing purpose. CONSTITUTION:A plurality of slings 2-4 are introduced from outside into a blast furnace body 1 through the openings provided on its circumference concentric with the furnace top and the lower ends of the slings are attached to a spray gun 5 fitted with a freely rotatable spray nozzle 6 to suspend it. By moving the spray gun 5 upwards and downwards and rotating the spray nozzle 6 by a driving mechanism contained in the spray gun 5, the inner wall of the furnace is sprayed with fire resisting material in a spiral form for its repair work. During this time, a predetermined load is exerted on the sling 4 throughout the spray operation by a counterweight mechanism 7 to balance the other slings in order to give tensile force in the direction of spray of the fire resisting material by the spray nozzle 6, thereby preventing the rocking of the spray gun 5.

5. 发明专利

JPH07248195A CONSTRUCTING METHOD OF WATER TUBE WALL 失效
公开(公告)号：JPH07248195A
公开(公告)日：1995-09-26
申请号：JP932694
申请日：1994-01-31
申请人： KUROSAKI REFRACTORIES CO , MITSUBISHI HEAVY IND LTD
发明人： TACHIKAWA AKIHIRO , MIZOBE ARIHITO , ISHIMATSU SHIGEKI , SEKI KAZUNORI , HATTA TOKUAKI
IPC分类号： F23M5/08 , F22B37/24 , F23M5/00 , F27D1/12 , F27D1/16 , F28F1/00
摘要： PURPOSE:To shorten sharply a term of works at a construction site and also to enable attainment of a water tube wall of a uniform and compact structure being free from porosity by a method wherein the water tube wall prepared by covering a water-tube metallic material with a refractory is manufactured as divided bodies of a required unit and constructed at the site by assembling and joining. CONSTITUTION:When divided bodies 11 are brought to a construction site and assembled and joined together by welding at a prescribed position so as to construct a water tube wall, each divided body 11 is constructed by applying internal castable refractory 3 on one surface of a water-tube metallic material 12 having water tubes 1 and fins 2 provided integrally and also by applying an external heat-insulating material 5 and a furnace body shell 6 on the other surface thereof. In the water-tube metallic material 12, on the occasion, an exposed part of the water tube 1 and the fin 2 is left at a length of about 50 to 100mm in the width at the end part, as a part wherein the castable refractory is not yet applied, and it is provided as a place for welding. The divided bodies 11 are assembled and joined together by the welding 4 at the site and the exposed part is covered with the castable refractory after joining.

6. 发明专利

JP2010265538A Heating furnace and heating method 有权
标题翻译：加热炉和加热方法
公开(公告)号：JP2010265538A
公开(公告)日：2010-11-25
申请号：JP2009120213
申请日：2009-05-18
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： HIRAMOTO YUJI , SAITO TOSHIAKI , SHIBATA MASAFUMI , SEKI KAZUNORI , FUKUSHIMA YUTAKA
IPC分类号： C21D9/00 , C21D1/52 , C21D11/00 , F23L15/02 , G01J5/00 , G01J5/48
CPC分类号： Y02E20/348
摘要： PROBLEM TO BE SOLVED: To provide a heating furnace and a heating method by which the temperature distribution in the longitudinal direction of a metallic material can be controlled more precisely while improving energy efficiency by using a heat storage type burner. SOLUTION: In the heating furnace 1, while conveying a metallic material F arranged with the furnace width direction as a longitudinal direction to the furnace length direction, the metallic material is heated. The heating furnace comprises: heat storage type burners 2 plurally arranged along the respective furnace length directions of the furnace side walls on both the sides in the furnace width direction so as to be confronted each other in the furnace width direction and making a pair in alternating combustion so as to form combustion flame in an alternating manner; and at least one or more non-heat storage type burners 10 arranged in the heating furnace in a space in the heat storage type burners relatively adjoining in the furnace length direction, and independently forming combustion flame respectively independently so as to locally heat the metallic material. The non-heat storage type burner is arranged in a range from the position of the 1/3 of the furnace length on the extraction side in the heating furnace to the extraction port OUT of the heating furnace. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种加热炉和加热方法，通过该加热炉和加热方法可以更精确地控制金属材料的纵向温度分布，同时通过使用储热型燃烧器提高能量效率。解决方案：在加热炉1中，在沿炉长度方向作为长度方向输送以炉宽方向布置的金属材料F时，金属材料被加热。加热炉包括：储热式燃烧器2，其沿着炉宽方向的两侧沿着炉侧壁的各自的炉长方向多个排列，以在炉宽方向上彼此面对，并使一对交替燃烧以便以交替的方式形成燃烧火焰; 以及至少一个以上的非蓄热型燃烧器10，其配置在与炉长方向相邻的储热型燃烧器的空间内的加热炉内，分别独立地形成燃烧火焰，以局部加热金属材料。非蓄热型燃烧器配置在从加热炉的抽出侧的炉长1/3的位置到加热炉的抽出口OUT的范围内。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2008050687A Method for manufacturing pearlite-based rail having superior abrasion resistance and ductility 有权
标题翻译：用于制造具有超级耐磨性和密度的基于PEARLITE的轨道的方法
公开(公告)号：JP2008050687A
公开(公告)日：2008-03-06
申请号：JP2007174800
申请日：2007-07-03
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： UEDA MASAHARU , SEKI KAZUNORI , SATO TAKUYA , YAMAMOTO TAKESHI
IPC分类号： C21D9/04 , B21B1/085 , C21D8/00 , C22C38/00 , C22C38/04 , C22C38/58
CPC分类号： C22C38/04 , B21B1/085 , C21D8/0205 , C21D9/04 , C21D2211/009 , C22C38/02
摘要： PROBLEM TO BE SOLVED: To improve the abrasion resistance and ductility of a rail, by controlling a component of steel, a ratio of an opposing force in a finish rolling process and a heat treatment condition after the finish rolling process to make a structure of a head portion of the rail fine and control the hardness to a predetermined range. SOLUTION: A steel slab comprises, by mass%, 0.65 to 1.20% C, 0.05 to 2.00% Si, 0.05 to 2.00% Mn and the balance Fe with unavoidable impurities. The method for manufacturing the pearlite-based rail includes at least the steps of rough-rolling the slab and finish-rolling a rail. In the above finish rolling step, the manufacturing method includes rolling the rail at a temperature range of 900°C or lower but the Ar3 transformation temperature or the Arcm transformation temperature or higher on the surface of the head portion of the rail, at a cumulative area-reduction rate of 20% or more, and at an opposing force ratio of 1.25 or more; and then acceleratingly or naturally cooling the surface of the head portion of the rail after having been finish-rolled down to 550°C at highest, at a cooling velocity of 2 to 30°C/sec. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提高轨道的耐磨性和延展性，通过控制钢的成分，精轧过程中的相反力与精轧后的热处理条件的比例，使轨道头部的结构精细，并将硬度控制在预定范围。钢板以质量％计，含有0.65〜1.20％的C，0.05〜2.00％的Si，0.05〜2.00％的Mn，余量为Fe和不可避免的杂质。珠光体系轨道的制造方法至少包括对板坯进行粗轧和轨道精轧的工序。在上述精轧步骤中，制造方法包括在轨道的头部的表面上在900℃以下的温度范围，或者Ar 3相变温度或Arcm相变温度以上的Arcm相变温度，以累积面积减少率为20％以上，相对力比为1.25以上; 然后在以2〜30℃/秒的冷却速度在最终冷轧至550℃之后将轨道的头部的表面加速或自然地冷却。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007291418A Method of manufacturing pearlitic rail excellent in toughness 审中-公开
标题翻译：珍珠岩生产韧性的方法
公开(公告)号：JP2007291418A
公开(公告)日：2007-11-08
申请号：JP2006117381
申请日：2006-04-21
申请人： Nippon Steel Corp , 新日本製鐵株式会社
发明人： MIYAZAKI TERUHISA , UEDA MASAHARU , YAMAMOTO TAKESHI , SEKI KAZUNORI
IPC分类号： C21D9/04 , B21B1/085 , C21D8/00 , C21D9/00 , C22C38/00 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a pearlitic rail using high carbon rail steel by which the production of pro-eutectoid cementite structure inside a rail head part is suppressed and thereby a decrease in the toughness of the rail is prevented. SOLUTION: The method of manufacturing the pearlitic rail excellent in toughness is provided by which a steel slab used for being rolled into the rail, comprising, by mass%, 0.85-1.20% C, 0.10-2.00% Si, 0.10-2.00% Mn, 0.01-0.30% V and the balance Fe with inevitable impurities, is heated in a heating furnace and thereafter, is hot-rolled to manufacture the pearlitic rail. The method is characterized in that in the heating treatment, the heating temperature of the steel slab (T,°C) satisfies T L H with respect to values (T H , T L ) expressed by a function composed of C content (C,%) and V content (V,%) in the steel rail and the holding time (t, min) at the heating temperature satisfies t L H with respect to values (t H , t L ) expressed by a function composed of the C content (C,%) and the V content (V,%) in the steel rail. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种使用高碳钢轨钢制造珠光体钢轨的方法，通过该方法可以抑制钢轨头部内的先共析渗碳体结构的产生，从而导轨的韧性降低预防。解决方案：制造韧性优异的珠光体钢轨的方法，通过该方法将用于轧制到钢轨中的钢坯以质量％计含有0.85-1.20％的C，0.10-2.00％的Si，0.10- 2.00％Mn，0.01-0.30％V，余量为Fe和不可避免的杂质，在加热炉中加热，然后热轧制造珠光体钢轨。该方法的特征在于，在加热处理中，钢板的加热温度（T，℃）相对于值满足T L H （C，％）和V含量（V，％）构成的函数表示的钢轨中的保持时间（T SB L SB）（t，min）在加热温度下满足t L H （C，％）和V含量（V，％）组成的函数表示的L 。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JPH10235404A METHOD FOR CONTROLLING DIMENSION OF STEEL SHAPE 失效
公开(公告)号：JPH10235404A
公开(公告)日：1998-09-08
申请号：JP4445297
申请日：1997-02-27
申请人： NIPPON STEEL CORP
发明人： SEKI KAZUNORI , NOGUCHI YUKIO , YAMAMOTO HIROYASU , SAEKI KAZUHIKO , KUBO SEITARO , KAWABATA TOKIO , HATTORI YOSHITAKA
IPC分类号： B21B37/18 , B21B1/08 , B21B1/088 , B21B37/16
摘要： PROBLEM TO BE SOLVED: To improve accuracy in the rear end part of a product and to obtain the product having high dimensional accuracy over the entire length by determining the length equivalent to the distance between the final finishing stand and its preceding stand in control stands and controlling the roll gap in the control stand so as to dissolve the increment of a cross-sectional area by no-tension rolling about the rear end part of a rolled stock having this equivalent length. SOLUTION: As the control stand, one stand on the upstream side of the final finishing stand is selected. In the control stand, the distance L from the starting position of roll-gap change to the rear end of the rolled stock is determined from the distance between the final finishing stand and its preceding stand by the prescribed formula. The increase of the cross-sectional area in the rear end part of the rolled stock is calculated. About the length L of the rear end part of the rolled stock which is above determined, the roll gap in the rear end part at the control stand necessary to dissolve the increase of the cross-sectional area is determined and rolling is executed based on this gap. Consequently, the dimension of the rear end part on the inlet side of the final finishing stand becomes smaller than that of the other part.

10. 发明专利

JPH07303901A ROLLING MILL TRAIN FOR SHAPES 失效
公开(公告)号：JPH07303901A
公开(公告)日：1995-11-21
申请号：JP10030994
申请日：1994-05-13
申请人： NIPPON STEEL CORP
发明人： SEKI KAZUNORI , HAMAUZU SHUICHI
IPC分类号： B21B1/088 , B21B1/08
摘要： PURPOSE:To manufacture shapes of a wide range of sizes by consisting of a 1st universal mill provided with horizontal rolls having the barrel of variable width on which a caliber is provided, edger mill behind that universal mill and a 2nd universal mill on the rolls of which a caliber is not provided. CONSTITUTION:This rolling mill train consists of the 1st universal mill 1 for forming additional thickness, edger mill 2 for reducing the width of flange behind this universal mill and the 2nd universal mill 3 on the horizontal rolls of which the caliber is not provided. The horizontal rolls 6, 6' of the 1st universal mill 1 are bisected in the width direction, the change of barrel width is possible and, when the barrel width is made to coincide with the min. inside width of the web of products which are separately manufactured with the same rolls, the rolls are made so that a clearance is made in the middle part. And the caliber for forming additional thickness is provided to the horizontal rolls. In this way, since the control of the additional thickness and inside width of web is enabled in an intermediate process, the shapes of a wide range of sizes are manufactured without changing rolls.

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