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    • 1. 发明专利
    • Fluidized-bed drying device and gasification composite power generating system using coal
    • 流化床干燥装置和使用煤的气化复合发电系统
    • JP2013174415A
    • 2013-09-05
    • JP2012040736
    • 2012-02-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • ARIMA KENICHISUZUKI TAKESHITAKASHIMA RYUHEISAWATSUBASHI TETSUYAURAKA YASUTAKAKINOSHITA MASAAKIOURA KOJIGOSHIMA TADAHACHI
    • F26B3/084C10J3/46F26B17/10F26B21/10
    • Y02E20/18
    • PROBLEM TO BE SOLVED: To provide a fluidized-bed drying device which can enhance drying efficiency.SOLUTION: A drum 101 is divided in a moving direction of wetting fuel of a fluidized bed to form an inlet part drying chamber 111a, a middle part drying chamber 111b, and an outlet part drying chamber 111c of at least three or more ones, each inside the respective drying chambers includes heat exchanger tubes 106a, 106b, and 106c of three or more ones for heating the wetting fuel of the fluidized bed, the heat exchanger tube 106a inside the inlet part drying chamber 111a is more roughly arranged than the standard heat exchanger tube 106b of a middle part, and also the velocity of flow of fluidization vapor or fluidization gas into the inlet part drying chamber 111a is made fast, and the heat exchanger tube 106c inside the outlet part drying chamber 111c is more densely arranged than the standard heat exchanger tube, and also the velocity of flow of the fluidization vapor or fluidization gas into the outlet part drying chamber 111c is made fast.
    • 要解决的问题:提供一种能够提高干燥效率的流化床干燥装置。解决方案:鼓101沿流动床润湿燃料的移动方向分开以形成入口部分干燥室111a,中间部分干燥 室111b和至少三个以上的出口部干燥室111c,各自在各干燥室的内部包括用于加热流化床的润湿燃料的三个或更多个热交换器管106a,106b和106c, 入口部干燥室111a内的热交换器管106a比中间部分的标准热交换器管106b更加粗略地布置,并且使流化气体或流化气体进入入口部干燥室111a的流速快, 出口部干燥室111c内的热交换器管106c比标准热交换器管更密集地排列,流化蒸气或流化g的流速 因为进出口部分干燥室111c的速度快。
    • 2. 发明专利
    • Fluidized-bed cooling device
    • 流化床冷却装置
    • JP2013173086A
    • 2013-09-05
    • JP2012037944
    • 2012-02-23
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • ARIMA KENICHISUZUKI TAKESHITAKASHIMA RYUHEISAWATSUBASHI TETSUYAURAKA YASUTAKAKINOSHITA MASAAKIOURA KOJIGOSHIMA TADAHACHI
    • B01J8/24
    • PROBLEM TO BE SOLVED: To provide a fluidized-bed cooling device the equipment cost/maintenance cost of which are reduced and in which spontaneous combustion of coal is prevented when coal is dried.SOLUTION: A fluidized-bed cooling device includes: fluidizing gas supply parts 105A, 105B for supplying a fluidizing gas to the lower part of a cooling vessel 102 to form a fluidized bed together with a cooled material; gas discharge parts 106A, 106B for discharging the supplied fluidizing gas from the upper part of the cooling vessel 102; and cooling means 108a-108d disposed in two or more cooling chambers 102a-102d formed by dividing the inside of the cooling vessel 102 by partition plates 107a-107c in the moving direction of a cooled raw coat 101C being the cooled material in the fluidized bed. A partition plate 107a which divides the fluidized bed freeboard F1 of the first cooling chamber 102a from the fluidized bed freeboard F2 of the second cooling chamber 102b adjacent thereto, is hanged from the ceiling side of the cooling vessel 102 and an inert gas 109A is used as the fluidizing gas to be supplied to the first cooling chamber 102a.
    • 要解决的问题:提供一种流化床冷却装置,其设备成本/维护成本降低,并且当煤干燥时防止煤的自燃。解决方案:流化床冷却装置包括:流化气体供应 用于向冷却容器102的下部供应流化气体以与冷却材料一起形成流化床的部件105A,105B; 用于从冷却容器102的上部排出供给的流化气体的气体排出部106A,106B; 以及设置在两个或更多个冷却室102a-102d中的冷却装置108a-108d,其通过在冷却的原料涂层101C的移动方向上由分隔板107a-107c分隔冷却容器102的内部而形成,冷却的原料涂层101C是流化床中的冷却材料 。 将第一冷却室102a的流化床干舷F1与与其相邻的第二冷却室102b的流化床干舷F2分隔开的隔板107a从冷却容器102的顶侧悬挂起来,使用惰性气体109A 作为供给到第一冷却室102a的流化气体。
    • 3. 发明专利
    • Exhaust heat recovery device
    • 排气热回收装置
    • JP2012057860A
    • 2012-03-22
    • JP2010201537
    • 2010-09-09
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • GOSHIMA TADAHACHIICHIHARA TARO
    • F22D1/02F22D1/12
    • PROBLEM TO BE SOLVED: To provide an exhaust heat recovery device capable suppressing the occurrence of problems such as the corrosion of a heat transfer tube caused by the alternate wetting and drying of an economizer by the load fluctuation of a burning appliance.SOLUTION: In the exhaust heat recovery device 10 in which the dry-type economizer 11 for heating supply water by utilizing the sensible heat of an exhaust gas and a condensation economizer 12 disposed at a downstream side in the exhaust gas flowing direction with respect to the dry-type economizer for heating the supply water by utilizing the condensation latent heat of the exhaust gas are disposed in a duct 5 in which the exhaust gas is circulated, and which is constituted to guide the supply water to the dry-type economizer 11 through the condensation economizer 12, an exhaust gas temperature changing means 20 for changing the temperature of the exhaust gas is disposed between the dry-type economizer 11 and the condensation-type economizer 12, and the exhaust gas temperature changing means 20 is a means for changing an exhaust gas temperature so that an exhaust gas temperature at an outlet of the dry-type economizer reaches a water dew point or higher, or a means for changing the exhaust gas temperature so that the exhaust gas temperature at an inlet of the condensation economizer reaches the water dew point or lower.
    • 解决问题的方案:提供一种排气热回收装置,其能够抑制由燃烧器具的负载波动引起的节能器的交替润湿和干燥所导致的传热管的腐蚀等问题的发生。 解决方案:在排气热回收装置10中,其中通过利用排气的显热加热供水的干式节能器11和排气流动方向上的下游侧的冷凝节能器12, 对于通过利用废气的冷凝潜热来加热供水的干式节能器,设置在废气循环的管道5中,构成为将供水引导到干式 节能器11通过冷凝节能器12,在干式节能器11和冷凝型节能器12之间设置有用于改变排气温度的废气温度改变装置20,排气温度改变装置20是 用于改变排气温度使得干式节能器的出口处的排气温度达到水露点或更高的装置,或用于改变 排气温度使得冷凝节能器入口处的废气温度达到水露点或更低。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Method and equipment for melting asbestos waste
    • 用于熔化ASBESTOS WASTE的方法和设备
    • JP2007307548A
    • 2007-11-29
    • JP2007023597
    • 2007-02-01
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • ONODERA NORIMASANOMA AKIRAGOSHIMA TADAHACHISENBA NORIAKIINOUE KEITA
    • B09B3/00A62D3/40A62D101/41
    • PROBLEM TO BE SOLVED: To provide a method for melting an asbestos waste, which can fully melt an asbestos waste without raising the temperature inside of a melting furnace to a very high temperature, can realize a stable operation even in the case of asbestos waste which is unstable in properties, and, at the same time, can prevent scattering and discharge of the asbestos outside of the system to ensure safety, and to provide equipment for the melting treatment.
      SOLUTION: The method for melting an asbestos waste is a method in which an asbestos waste 51 and ash 50 are mixed and melted in a melting furnace 1. The asbestos waste is introduced into the melting furnace 1 so that an unmelted layer 10 composed mainly of ash is formed on the surface of a molten slag layer within the melting furnace 1 and the asbestos waste 51 is dropped on the unmolten layer. The asbestos waste, together with ash introduced properly into the furnace, is melted. Preferably, ash 50 is introduced into the melting furnace 1 to raise the temperature within the furnace, and, after the temperature of slag detected with a slag thermometer reaches a specified temperature or above, the asbestos waste 51 is introduced to melt the asbestos waste 51 together with the ash 50.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供一种熔融石棉废料的方法,其可以在不将熔炉内部的温度升高而不会使石棉废物熔化的同时将其熔化至非常高的温度,即使在 性质不稳定的石棉废物,同时可以防止系统外的石棉散开和排出,确保安全,并提供熔化处理设备。 解决方案:石棉废料的熔化方法是将石棉废料51和灰50在熔炉1中混合并熔化的方法。将石棉废料引入熔融炉1,使未熔化层10 在熔融炉1内的熔渣层的表面形成灰分,石棉废物51落在未熔融层上。 将石棉废物和与炉中正确引入的灰料一起熔化。 优选地,将灰50引入熔化炉1中以升高炉内的温度,并且在用炉渣温度计检测到的炉渣的温度达到特定温度或更高温度之后,引入石棉废物51以熔化石棉废物51 加上灰50。版权所有(C)2008,JPO&INPIT
    • 5. 发明专利
    • Melting pretreatment process and apparatus for asbestos waste
    • 熔化预处理工艺和装置用于ASBESTOS WASTE
    • JP2007253117A
    • 2007-10-04
    • JP2006083639
    • 2006-03-24
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NOMA AKIRAINOUE KEITAGOSHIMA TADAHACHI
    • B02C23/00B09B3/00
    • PROBLEM TO BE SOLVED: To provide a melting pretreatment process of asbestos waste capable of perfectly preventing scattering of asbestos, high in safety and making the maintenance of an apparatus easy, and an apparatus therefor.
      SOLUTION: The apparatus comprises a primary crushing roller 6 and a secondary crushing roller 7 provided on the front stage side of a melting furnace for carrying out melting treatment of the asbestos waste 50 to crush the asbestos waste 50, wherein these crushing rollers 6 and 7 are placed in a casing 4 extended in a vertical direction with a waste introduction chute 2 installed above the casing 4 and a crushed material discharge port installed on the lower end 8 of the casing, and with the lower end of the casing immersed in a water tank 9 to seal it by water, thereby forming a closed space to maintain the closed space in a negative condition.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够完全防止石棉散射,安全性高,易于维护设备的石棉废料的熔化预处理工艺及其装置。 解决方案:该设备包括一个初级破碎辊6和一个二次破碎辊7,该二次破碎辊7设置在熔化炉的前段侧,用于对石棉废物50进行熔融处理以粉碎石棉废料50,其中这些破碎辊 6和7放置在沿垂直方向延伸的壳体4中,在壳体4上方安装有废物引入槽2,并且在壳体的下端8上安装有破碎的材料排出口,并且壳体的下端浸没 在水箱9中用水密封,从而形成封闭空间,以将封闭空间维持在负状态。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Method and device for measuring furnace bottom temperature, and method and device for monitoring bottom of melting furnace
    • 用于测量炉底温度的方法和装置,以及用于监测熔融炉底部的方法和装置
    • JP2006308497A
    • 2006-11-09
    • JP2005133562
    • 2005-04-28
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NOMA AKIRAINOUE KEITAHARADA TOMOHIROGOSHIMA TADAHACHI
    • G01J5/00F27D21/00G01J5/48
    • PROBLEM TO BE SOLVED: To provide a method and device for measuring furnace bottom temperature capable of broadly measuring the temperature on the surface of the furnace bottom, and a method and device for monitoring the bottom of a melting furnace capable of detecting abnormality of the furnace bottom based on the measured temperature.
      SOLUTION: A thermography device 30 is installed at a position including the surface of the bottom 17 of the melting furnace 10 within a measuring range, a black body 31 of which emissivity is set 1.0 or approximate to this is disposed near an arbitrary temperature measurement point 32 included in the measuring range. A reference emissivity is previously set at 1.0 or an approximate value to this, black body temperature is measured based on the radiant energy of the black body 31 by the thermography device 30. Emissivity where measuring point temperature measured based on the radiant energy of the measuring point by the thermography device substantially matches with the black body temperature is determined, the determined emissivity is set as emissivity in the measuring range, and the temperature distribution of the measuring range is measured by the thermography device.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种能够广泛测量炉底表面温度的炉底温度测量方法和装置,以及用于监测能够检测异常的熔炉底部的方法和装置 的炉底基于测量的温度。 解决方案:将热成像装置30安装在包括熔化炉10的底部17的表面在测量范围内的位置,将发射率设定为1.0或近似的黑体31设置在任意的附近 温度测量点32包含在测量范围内。 参考发射率预先设定为1.0或近似值,黑体温是基于热成像设备30的黑体31的辐射能量来测量的。根据测量的辐射能测量的测量点温度的发射率 通过热成像装置基本上与黑体温度相匹配的点,将测定的发射率设定为测量范围内的发射率,并且通过热成像装置测量测量范围的温度分布。 版权所有(C)2007,JPO&INPIT
    • 10. 发明专利
    • Exhaust valve of internal combustion engine
    • 内燃机排气阀
    • JPS5928005A
    • 1984-02-14
    • JP13683482
    • 1982-08-07
    • Mitsubishi Heavy Ind Ltd
    • YAMAMOTO SHIGERUGOSHIMA TADAHACHITATEIWA MIKIO
    • F01L3/18
    • F01L3/18
    • PURPOSE:To effectively cool an exhaust valve and to prevent it from being corroded owing to high temperature, by circulating cooling water through the inside of a valve, by forming a cooling water chamber to cool a seat part in the inner part of a valve head, as well as to form an inlet and an outlet passages for cooling water in the valve stem of an exhaust valve. CONSTITUTION:A groove 9a of which end reaches a valve head 1b is provided in a v alve steam 1a, and a tube 8 is inserted into he groove 9a to form an inlet passage for cooling water. At the same time, an outlet passage 9 for cooling water is formed in the gap between the tube 8 and the groove 9a. On the other hand, an annular cooling water chamber 10 is formed close to a seat part 2, and cooling water discharge passages 11 and cooling water return passages 12 are formed radially, respectively, between the cooling water chamber 10 and the end part of a groove 9a, and vanes 13 and 14 are respectively provided to each inside wall of the passage. With such an arrangement, the cooling water is fed into the cooling water chamber 10 from the inlet passage 8, passing through the discharge passage 11, and then is flowed out of the chamber 10, passing through the return passage 12, and via the outlet passage 9. At this time, a pump is operated so that the vanes 13 and 14 can produce the water flow which have a directional characteristic, in order to increase the efficiency of heat conduction of the cooling water.
    • 目的:为了有效地冷却排气阀并防止其由于高温而被腐蚀,通过将冷却水循环通过阀的内部,通过形成冷却水室来冷却阀头内部的座部件 ,以及形成用于在排气阀的阀杆中冷却水的入口和出口通道。 构成:其一端到达阀头1b的槽9a设置在蒸汽1a中,并且管8插入槽9a中以形成用于冷却水的入口通道。 同时,在管8和槽9a之间的间隙中形成用于冷却水的出口通道9。 另一方面,环形冷却水室10靠近座部2形成,冷却水排出通道11和冷却水返回通道12分别形成在冷却水室10和冷却水室10的端部之间。 槽9a和叶片13和14分别设置在通道的每个内壁上。 通过这样的布置,冷却水从入口通道8进入冷却水室10,通过排放通道11,然后从室10中流出,通过返回通道12,并通过出口 此时,为了提高冷却水的热传导效率,操作泵使得叶片13和14能够产生具有方向特性的水流。