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    • 1. 发明专利
    • Method and member for repair welding
    • 维修方法和会员
    • JP2006198658A
    • 2006-08-03
    • JP2005013543
    • 2005-01-21
    • Kyushu Electric Power Co IncMitsubishi Heavy Ind Ltd三菱重工業株式会社九州電力株式会社
    • OZAKI MASASHINISHIMURA NOBUHIKOTOKIYOSHI TAKUMIKANETANI AKIHIROKOBA KIMIHIRO
    • B23K31/00
    • PROBLEM TO BE SOLVED: To easily repair a welded portion damaged by creep so as to surely elongate its life.
      SOLUTION: A prescribed zone including a welded metal 2 and a heat affected zone (HAZ) 4 at a boundary portion of a base material 1 is removed by performing a grooving operation. A repair welding operation is performed on the removed prescribed zone, and the removed zone is filled with new welding metal 6. In this case, the prescribed zone is removed by performing the grooving operation so as to satisfy the following relationships, 0.01≤a/T≤0.3, where T is the thickness of the base material 1, and "a" is the thickness of the base material 1 after removing the prescribed zone. The thickness "a" after removing the prescribed zone is determined to be smaller than the heat affected zone caused by the repair welding.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:易于修复由蠕变损坏的焊接部分,以确保延长其使用寿命。 解决方案:通过执行切槽操作,去除在基材1的边界部分处包括焊接金属2和热影响区(HAZ)4的规定区域。 在去除的规定区域进行修补焊接操作,并且移除的区域填充有新的焊接金属6.在这种情况下,通过执行切槽操作来去除规定的区域,以满足以下关系:0.01≤a/ T≤0.3,其中T是基材1的厚度,“a”是去除规定区域之后的基材1的厚度。 移除规定区域后的厚度“a”被确定为小于由修补焊接引起的热影响区域。 版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • Method for evaluating lifetime
    • 评估生命的方法
    • JP2008051659A
    • 2008-03-06
    • JP2006228339
    • 2006-08-24
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TORII MASAAKINISHIMURA NOBUHIKOKUMANO SHINTAROCHAZONO SATOSHIWADA KYOKOMIYAZAWA NORIYUKI
    • G01N19/08
    • PROBLEM TO BE SOLVED: To provide a method for evaluating lifetime that enables simple and rapid evaluation of the crack depth of the cracks of fire furnace wall pipes, or the like of a boiler, or the like, with higher accuracy.
      SOLUTION: The determination technique of the lifetime evaluation method comprises a blast treatment process (S101) for performing blast treatment of the surface of an inspection object; a crack width measuring process (S102) for measuring the length of the width of the crack formed on the surface of the inspection object; a first crack depth deducing process (S103) for applying and fitting the obtained value of the depth of the crack to a relational diagram showing the relation between the preliminarily calculated width and depth of the crack; and calculating the depth of the crack and deducing the depth of the crack and a damage section evaluation process (S104) for applying and fitting the depth value of the crack, which is deduced in the first crack depth deducing process, to at least two divided damage sections, corresponding to the distribution of the preliminarily calculated depths of a plurality of the cracks, and to evaluate whether the inspection object needs to be replaced.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种用于评估寿命的方法,其能够以更高的精度简单且快速地评估锅炉等的火炉壁管等的裂纹的裂纹深度等。 寿命评估方法的测定技术包括:对检查对象的表面进行喷砂处理的喷砂处理工序(S101) 裂纹宽度测量处理(S102),用于测量在检查对象表面上形成的裂纹的宽度的长度; 第一裂纹深度推导处理(S103),用于将获得的裂纹深度的值施加和拟合到示出预先计算的裂缝的宽度和深度之间的关系的关系图; 并计算裂纹的深度和推断裂纹的深度,以及将在第一裂纹深度推导过程中推导出的裂纹的深度值施加和拟合的损伤部分评价过程(S104)至少分割为 损伤部分,对应于多个裂纹的预先计算的深度的分布,并且评估检查对象是否需要更换。 版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Tube temperature measuring apparatus
    • 管温度测量装置
    • JP2005077108A
    • 2005-03-24
    • JP2003209749
    • 2003-08-29
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • SAKATA FUMITOSHINISHIMURA NOBUHIKOKUROISHI TAKUJIHASHIMOTO YASUSHIISHIHARA YOSHIYUKIKUMANO SHINTARO
    • G01K7/02
    • PROBLEM TO BE SOLVED: To measure the temperature of a large number of tubes without the need for large-scale and complicated wiring.
      SOLUTION: In this apparatus, a heating medium flows inside through a plurality of nozzles 5, and the temperature of a wall part of each nozzle 5 in a structure in which the plurality of nozzles 5 are arranged in parallel with one anther is measured. The apparatus is provided with a contact thermometer 11 for measuring the temperature of the wall part of each nozzle 5; a guide rail 13 for supporting the contact thermometer 11 in such a way that it may move along the direction in which the nozzles 5 are arranged and guiding its movement; and a wire rope body 21 for moving the thermometer along a guide member.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:测量大量管的温度,而不需要大规模和复杂的布线。 解决方案:在该装置中,加热介质通过多个喷嘴5流入内部,并且多个喷嘴5与一个花药平行布置的结构中的每个喷嘴5的壁部的温度为 测量。 该装置设置有用于测量每个喷嘴5的壁部的温度的接触温度计11; 用于支撑接触式温度计11的导轨13,其可以沿着喷嘴5的布置方向移动并引导其运动; 以及用于沿着引导构件移动温度计的钢丝绳主体21。 版权所有(C)2005,JPO&NCIPI
    • 9. 发明专利
    • In-pipe insertion type ultrasonic flaw detection and inspection apparatus
    • IN-PIPE插入式超声波检测和检测装置
    • JP2009229451A
    • 2009-10-08
    • JP2009006984
    • 2009-01-15
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • URATA MIKIYASUTORII MASAAKIAOKI KIYOTAKAYAMADA TETSUYAMIYAJI MASAKAZUNISHIMURA NOBUHIKOKUSHIOKA KIYONORISHIJO RIKUMA
    • G01N29/04G01N29/26
    • PROBLEM TO BE SOLVED: To provide an in-pipe insertion type ultrasonic flaw detection and inspection apparatus smoothly movable in a pipe only by water pressure without using a cable for power supply to an ultrasonic probe and signal transmission and reception, and a cable using a coil spring or the like for the in-pipe transfer of the ultrasonic flaw detection and inspection apparatus.
      SOLUTION: The in-pipe insertion type ultrasonic flaw detection and inspection apparatus is composed of a waterproof structure 20 storing the ultrasonic probe 11, an ultrasonic wave generating and receiving device 12 having a storage device for received echo signals, and a battery 13 which are connected to one another by flexible structures; and an aligning tool 14 holding at least the ultrasonic probe almost at the center of the pipe. The waterproof structure is provided with a float for causing buoyancy in water flow, a structure or member for easily receiving water pressure, and a member for reducing contact friction with a pipe wall. The contact resistance to the pipe wall is thereby reduced to allow movement by water flow in the pipe.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种管道内插入型超声波探伤检查装置,其能够在不使用用于向超声波探头供电的信号线和信号发送和接收的情况下通过水压在水管中平稳移动, 电缆,使用螺旋弹簧等进行超声波探伤检查装置的管内传送。 管内插入式超声波探伤检查装置由存储超声波探头11的防水结构20,具有接收回波信号的存储装置的超声波发生接收装置12,以及电池 13通过柔性结构彼此连接; 以及至少将超声波探头保持在管的中心的对准工具14。 防水结构设置有用于引起水流浮力的浮子,容易接收水压的结构或构件,以及用于减小与管壁的接触摩擦的构件。 因此,减小了对管壁的接触阻力,以允许管道中的水流移动。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • Method for evaluating lifetime
    • 评估生命的方法
    • JP2009175110A
    • 2009-08-06
    • JP2008042140
    • 2008-01-25
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KONDO MANABUNISHIMURA NOBUHIKOCHAZONO SATOSHIMURATA HIDEAKICHO YOSHI
    • G01N19/08G01N21/954
    • PROBLEM TO BE SOLVED: To provide a lifetime evaluation method for the simple and quick evaluation of the depth of cracks in a furnace wall tube, and so on of a boiler, and so on, with a higher precision.
      SOLUTION: The lifetime evaluation method enables the measurement of a crack evaluation item consisting of one of a crack length distribution, a crack width distribution and a crack area ratio of a surface of a test object or their combination by image processing, and estimates the crack depth out of the measured crack evaluation item based on correlations between the preset crack evaluation item and the crack depth. The plurality of correlations have been preset as relational expressions of the crack evaluation item and the crack depth. A relational expression, which has been selected out of the plurality of relational expressions based on a working environment of the test object and environmental factors including a temperature condition, and so on, is used to estimate the crack depth out of the crack evaluation item detected by image processing out of a photographed image of a surface of the crack.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于简化和快速评估锅炉等的炉壁管等中的裂纹深度的寿命评估方法,其精度更高。 寿命评估方法能够通过图像处理测量由测试对象的表面的裂纹长度分布,裂纹宽度分布和裂纹面积比率组成的裂纹评价项目,以及 根据预先设定的裂纹评估项和裂缝深度之间的相关性,估算裂纹深度。 多个相关性已被预设为裂纹评估项目的关系表达式和裂纹深度。 使用基于测试对象的工作环境和包括温度条件等的环境因素在多个关系表达式中选择的关系表达式来估计检测到的裂纹评估项目中的裂纹深度 通过从裂纹的表面的拍摄图像中的图像处理。 版权所有(C)2009,JPO&INPIT