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    • 2. 发明专利
    • Method for specifying inspection work result on internal surface of container surrounded by faces and working position, and information management method
    • 用于指定检查工作结果的方法,其结果是通过面和工作位置进行集装箱内部表面和信息管理方法
    • JP2012132844A
    • 2012-07-12
    • JP2010286631
    • 2010-12-22
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MIYAJI MASAKAZUYAMADA TETSUYAFUJITA MASAAKIMATSUMOTO SHINTAROIDA KEIJI
    • G01S5/30G01B17/00G01B17/02
    • PROBLEM TO BE SOLVED: To provide a method for specifying an inspection work result on an internal surface of a container surrounded by faces and a working position, which is used for inspecting the inside of the container, such as a boiler furnace, surrounded by faces, is capable of easily determining a reference point, and even when an inspection position to be specified is in the inside of a large container, capable of simply specifying the position, and simultaneously performing inspection and inspection position specification.SOLUTION: In a method for specifying an inspection work result on the internal surface of a container surrounded by faces and a working position, a transmitter capable of transmitting sound waves from two or more different positions is arranged on the known positional coordinates on the internal surface, an integrated object which can be carried by a worker and in which a receiver capable of receiving sound waves and an inspection tool capable of performing the inspection are integrated is arranged on a position where the inspection work is to be performed, the inspection work result is obtained by using the inspection tool, sound waves are transmitted from two or more positions of the transmitter, time required for arrival of each of the sound waves transmitted from the two or more positions at the receiver is measured, and the positional coordinates of the receiver are specified by using the arrival time of the sound waves and the positional coordinates of transmitting positions of the two or more sound waves.
    • 要解决的问题:为了提供一种用于在由用于检查诸如锅炉的容器的内部的面和工作位置包围的容器的内表面上指定检查作业结果的方法, 能够容易地确定基准点,即使在要指定的检查位置在大容器的内部,能够简单地指定位置,同时执行检查和检查位置指定。 解决方案:在由面部和工作位置围绕的容器的内表面上指定检查作业结果的方法中,能够从两个或更多个不同位置发送声波的发送器被布置在已知的位置坐标上 内部表面,能够由工作人员携带并且能够接收声波的接收器和能够执行检查的检查工具的集成对象被集成在布置在要进行检查工作的位置, 通过使用检查工具获得检查工作结果,从发送器的两个以上的位置发送声波,测量从接收器的两个以上位置发送的每个声波的到达所需的时间, 通过使用声波的到达时间和发送位置o的位置坐标来指定接收机的坐标 f两个或更多声波。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • CORROSION FATIGUE TESTING METHOD
    • JPH10213532A
    • 1998-08-11
    • JP1406497
    • 1997-01-28
    • MITSUBISHI HEAVY IND LTD
    • TOKIYOSHI TAKUMIFUJITA MASAAKI
    • G01N3/32G01N3/60
    • PROBLEM TO BE SOLVED: To perform many tests for various factors within a short time by applying stress using thermal stress caused by the influence of a disk loaded in the outer periphery of a test tube when high-temperature and high-pressure water is poured into the test tube. SOLUTION: A disk 6 is welded to the outer periphery of an evaporation tube 5 as a test tube and a test piece is made. By repeatedly pouring high- temperature and high-pressure water into this evaporation tube 5, a temperature difference is produced between the evaporation tube 5 and the disk 6 and stress is applied by using thermal stress occurring by the temperature difference between both. By repeatedly applying this stress, corrosion fatigue is produced in the inner surface of the evaporation tube 5. By variously changing the thickness W and the radius V of the disk 6, stress acted on the evaporation tube 5 is changed according to various factors affecting corrosion fatigue. Also, by arranging a plurality of such test pieces in series or in parallel, tests where various factors affecting corrosion fatigue are simultaneously executed.
    • 5. 发明专利
    • BOILER PLANT
    • JPS6414503A
    • 1989-01-18
    • JP16887087
    • 1987-07-08
    • MITSUBISHI HEAVY IND LTD
    • YOKOYAMA TOMOMITSUFUJITA MASAAKI
    • F22B37/00F22B37/42
    • PURPOSE: To prevent occurrence of a repeated thermal stress by eliminating a temperature difference generated at a furnace wall by continuously or intermittently reversely supplying gas or air in a boiler from a rear flue into a furnace during banking. CONSTITUTION: A unit is stopped, and during banking an air preheater gas inlet damper 11 and an air preheater air outlet damper 9 are closed. And, an inlet damper 15 and an outlet damper 16 are also closed. Changeover dampers 19, 20 are opened, a gas recirculating fan 14 is operated, gas in a lower part of a furnace 1 is sucked from a gas recirculating duct 13, and introduced into an exhaust gas duct 10 and further to a rear flue 3. The gas or air in the boiler is reversely fed from the flue 3 to the furnace 1. And, gas of high temperature in an upper part of the furnace 1 and the flue 3 is fed to a lower part of the furnace 1 to prevent bold gas or air from flowing thereto. Accordingly, during banking, a furnace wall temperature difference is eliminated.
    • 6. 发明专利
    • COAL GASIFYING APPARATUS
    • JPS61207493A
    • 1986-09-13
    • JP4820385
    • 1985-03-13
    • MITSUBISHI HEAVY IND LTD
    • KASHIWAZAKI MASAMICHIFUJITA MASAAKISHINADA OSAMU
    • C10J3/46
    • PURPOSE:To provide the titled apparatus capable of economically gasifying coal with excellent adaptability to coal and starting characteristics and high gasification efficiency and heat exchange capacity, by gasifying a fuel such as coal using a gasifying oven comprising a specific water-cooled wall and a thin heat-resistant and refractory material lined on the inner wall surface of the gasifying oven. CONSTITUTION:A part of a finely divided coal, a circulating char and O2 or air which is a pressurized gasifying agent are fed to a combustor 18 of a gasifying oven comprising a combustor 18, diffuser 19 and reductor 20, surrounded with water-cooled wall 5 formed with a rifle tube and a fin and lined on the inside wall surface with a relatively thin heat- resistant and refractory material 6 in a thickness of 50mm or less and ignited at 1,400-1,800 deg.C under a pressure of about 40kg/cm G. The high temperature gas and fuel are fed to the diffuser 19 while the remaining coal is also fed to conduct the carbonization. The carbonization products are homogeneously mixed, and the flow thereof is uniformalized. The endothermic gasifying reaction of the carbon particles is conducted in a reductor 20. The gas is fed to a heat exchanger 21. A drain is passed from a steam drum 1 through a downcomer 2, pressurized with a circulating pump 3, passed from a tube end 4 through the rifle tube forming the water cooled tube 5 and the heat resistant and refractory material 6 to absorb the heat, returned to the drum 1 through a tube end 7. The steam which has been separated in the drum 1 is taken out through a superheater 15.
    • 8. 发明专利
    • Pipe creep life evaluation method
    • 管E生活评估方法
    • JP2013122411A
    • 2013-06-20
    • JP2011270899
    • 2011-12-12
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • OZAKI MASASHISAITO NOBUHIKOTORII MASAAKITOKIYOSHI TAKUMIMIYAZAWA NORIYUKITAWARA TETSUOFUJITA MASAAKI
    • G01N17/00G01N3/00G01N33/20
    • PROBLEM TO BE SOLVED: To provide a pipe creep life evaluation method capable of performing life evaluation with high accuracy by estimating the degree of progress of a creep damage from the amount of change in outer diameter by accurately specifying a swelling place in a pipe covering a wide range.SOLUTION: A life evaluation method of a pipe (1) relating to this invention includes the steps of: preliminarily and tentatively calculating a relation between the life consumption rate and the swelling amount of the pipe, and calculating an allowable swelling amount Rs by applying the current life consumption rate to the relation with the swelling amount that is preliminarily and tentatively calculated (step S103); converting the allowable swelling amount into an allowable outer diameter Ls (step S104); specifying a swelling range (3) by using a first gauge (2) having an inner diameter corresponding to the allowable outer diameter (step S105); specifying the maximum swelling point (6) by using a second gauge (5) having a larger inner diameter (step S107); and calculating a life consumption rate by calculating the maximum swelling rate from an outer diameter measured at the maximum swelling point (step S109).
    • 要解决的问题:提供一种能够通过在外径的变化量中通过精确地指定膨胀部位来估计蠕变损伤的进行程度而能够高精度地进行寿命评估的管蠕变寿命评价方法 管道覆盖范围广泛。 解决方案:涉及本发明的管道(1)的寿命评估方法包括以下步骤:初步和暂时地计算寿命消耗率与管道的膨胀量之间的关系,并计算允许溶胀量Rs 通过将目前的寿命消耗率应用于与初步和暂时计算的溶胀量的关系(步骤S103); 将允许溶胀量转换为允许外径Ls(步骤S104); 通过使用具有对应于允许外径的内径的第一量规(2)来指定溶胀范围(3)(步骤S105); 通过使用具有较大内径的第二规(5)指定最大溶胀点(6)(步骤S107); 以及通过从最大溶胀点测量的外径计算最大溶胀率来计算寿命消耗率(步骤S109)。 版权所有(C)2013,JPO&INPIT