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    • 43. 发明专利
    • Method for manufacturing impeller
    • 制造叶轮的方法
    • JP2012176417A
    • 2012-09-13
    • JP2011040005
    • 2011-02-25
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • ISHII KENNAKAJIMA HIROSHIYAMASHITA AKIO
    • B21K3/04B23P13/00F04D29/28
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing an impeller that can enhance working efficiency while avoiding an increase in cost, and also can obtain a high-strength impeller.SOLUTION: The method for manufacturing an impeller includes a forging step of subjecting an outer circumferential region 16 that is a predetermined range from an outer circumferential side toward a radially inner side of an inclined curved surface 12 of an impeller material 11, to forge processing using molds 21, 21 corresponding to a flow path, sequentially in a circumferential direction of the material to form a groove 13 in a part to be formed into the flow path and also to form a raised part 14 in a part to be formed into a blade.
    • 要解决的问题:提供一种制造可以提高工作效率同时避免成本增加的叶轮的制造方法,并且还可以获得高强度的叶轮。 解决方案:用于制造叶轮的方法包括锻造步骤,其将来自叶轮材料11的倾斜曲面12的外周侧和预定范围的外周区域16的径向内侧经受锻造步骤, 使用与流路相对应的模具21,21,沿材料的圆周方向进行锻造加工,以在要形成流路的部分中形成凹槽13,并且在待形成的部分中形成凸起部分14 变成刀片。 版权所有(C)2012,JPO&INPIT
    • 44. 发明专利
    • Method for treating casting waste, and casting system
    • 铸造废料和铸造系统的处理方法
    • JP2006089801A
    • 2006-04-06
    • JP2004276532
    • 2004-09-24
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NAKAJIMA HIROSHI
    • C22B5/06B09B3/00B22C5/00B22D46/00C22B7/00
    • Y02P10/214Y02W30/78
    • PROBLEM TO BE SOLVED: To provide a method for treating casting waste, which reduces an amount of the waste produced during sand casting, and at the same time, inexpensively recovers a hazardous material and a valuable material from the waste. SOLUTION: This treatment method includes reducing oxides of Cr, Fe and Zn contained in wasted sand and exhaust dust, which are produced in a casting process using a sand mold, in a heat treatment furnace 40 by using carbide, to recover Cr, Fe and Zn. The carbide necessary for the reduction treatment is made of the wasted tree of a wooden mold which has been used in a process for preparing a sand mold. Furthermore, heat treatment for the reduction treatment is carried out at a temperature between 1,100 and 1,400°C, which is lower than the melting points of Cr and Fe. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种处理铸造废弃物的方法,其减少了在铸砂期间产生的废物的量,同时廉价地从废物中回收有害材料和有价值的材料。 解决方案:该处理方法包括在热处理炉40中通过使用碳化物来减少在使用砂模的铸造工艺中产生的废砂和废气中所含的Cr,Fe和Zn的氧化物,以回收Cr ,Fe和Zn。 用于还原处理所需的碳化物由在用于制备砂模的方法中使用的木模的废弃树形成。 此外,还原处理的热处理在1,100和1400℃之间的温度下进行,该温度低于Cr和Fe的熔点。 版权所有(C)2006,JPO&NCIPI
    • 45. 发明专利
    • Reduction apparatus and reduction method for direct-reduced iron with low reduction ratio
    • 具有低降低比例的直接还原铁的还原装置和还原方法
    • JP2004169140A
    • 2004-06-17
    • JP2002337628
    • 2002-11-21
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KAJITANI HIROSHINAKAJIMA HIROSHISATO KEIICHI
    • C22B1/16C21B13/10C22B1/216C22B1/242
    • PROBLEM TO BE SOLVED: To provide a reduction apparatus and a reduction method for direct-reduced iron with a low reduction ratio, whereby a reduction product with a low reduction ratio can be produced without decreasing the crushing strength of the direct-reduced iron.
      SOLUTION: The SiO
      2 and CaO contents in a reduction product raw material measured with a reduction product measuring instrument 11, the SiO
      2 and CaO contents in a raw material measured with a reducing agent measuring instrument 12, and the SiO
      2 and CaO contents in a binder measured with a binder measuring instrument 13 are taken in as numerical signals, and a material for basicity adjustment is measured so as to set the basicity of the materials at a specified value and supplied to mixer 21. The reduction product raw material, the carbon-material-containing raw material, the binder, and the material for basicity adjustment supplied to the mixer 21 are kneaded in the presence of water, then molded into a massive state with a molding machine 22 to produce a massive raw material 70, dried with a dryer 23, and supplied with a raw material supplying machine 24 to the inside of a rotating bed type reduction furnace 30.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:为了提供一种具有低还原率的直接还原铁的还原装置和还原方法,由此可以生产具有低还原率的还原产物,而不降低直接还原铁的抗压强度 铁。 解决方案:用还原产物测量仪11测量的还原产物原料中的SiO 2 和CaO含量,原料中的SiO 2 和CaO含量 用粘合剂测量仪器13测量的粘合剂测量仪器13测量的粘合剂测量仪器12中测量的SiO 2 和CaO含量作为数字信号,测量碱度调节材料,以便 将材料的碱度设定在规定值并供给到混合机21.供给到混合机21的还原产物原料,含碳材料的原料,粘合剂和碱度调整用材料在 存在水,然后用成型机22成型为大块状态,以生产大块原料70,用干燥器23干燥,并将原料供给机24供给到旋转床型还原炉30的内部。 版权所有(C)2004,JPO
    • 49. 发明专利
    • EQUIPMENT FOR HEAT TREATMENT OF SLAB
    • JPH09184009A
    • 1997-07-15
    • JP34253595
    • 1995-12-28
    • MITSUBISHI HEAVY IND LTD
    • HIRATA KOICHINAKAJIMA HIROSHIFUJIOKA HIRONORI
    • C21D1/00C21D9/00F27B9/24F27B9/30
    • PROBLEM TO BE SOLVED: To restrain the increase of an equipment size in the case of heat treating a long slab. SOLUTION: A slab heat treatment equipment is provided with a heating furnace body 1, a fixed side furnace hearth 8, a movable side furnace hearth 10, a slab supplying line 2 and a slab sending out line 3. Further, groove type skids 9a for standing-up and inserting the slab 11 arranged on the fixed side furnace hearth 8 and the movable side furnace hearth 10, respectively and standing up and supporting the slabs over plural lines in the direction of connecting an inlet part 1a to an outlet part 1b of the heating furnace body 1, a slab transferring device 5a for transferring the slab 11 from the slab supplying line 2 to near the inlet part 1a of the heating furnace body 1, a slab standing-up device 4a for standing up the slab 11 from the slab transferring device 5a and delivering it to the skids 8a, a slab falling-down device 4b for receiving and falling down the stood-up slab 11 at the end of the outlet part 1b of the hearing furnace body 1 and a slab transferring device 5b for receiving the slab 11 from the slab falling-down device 4b and delivering it to the slab sending-out line 3, are provided.