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    • 1. 发明专利
    • Internal melting furnace for waste incineration apparatus
    • 用于废物焚烧装置的内部熔化炉
    • JP2000074352A
    • 2000-03-14
    • JP24757198
    • 1998-09-01
    • Ishikawajima Harima Heavy Ind Co Ltd石川島播磨重工業株式会社
    • NARISAWA MICHINORIINOUE SATOSHI
    • F23J1/00F23J1/08
    • PROBLEM TO BE SOLVED: To obtain a small-sized internal melting furnace and eliminate the failure of melting of incineration ash.
      SOLUTION: A hearth 15 is provided, which is downwardly slantingly inclined toward a discharge side, and an internal melting furnace 13 is constructed by disposing a plasma torch 14 on an upper portion or a side of a furnace wall 13a, in which furnace incineration ash 8a is melted and is discharged as melted slag 8b. A hot water reservoir 19 is provided in a melted slag discharge side end of the hearth 15, through which reservoir 19 the melted slag 8b is discharged. In the hot water reservoir 19, the melted slag 8b and the non-melted incinerated ash 8b are inverted with the aid of a specific gravity difference, and the incinerated ash 8a is positioned on an upper layer to promote heat transfer to the incinerated ash 8a.
      COPYRIGHT: (C)2000,JPO
    • 要解决的问题:获得小型内部熔炉,消除焚烧灰熔化失败。 解决方案:设置炉床15,其朝向排出侧向下倾斜倾斜,并且通过在炉壁13a的上部或侧面上设置等离子体焰炬14来构造内部熔化炉13,炉焚烧炉 8a熔化并作为熔渣8b排出。 在炉床15的熔渣排出侧端部设置有热水贮存器19,通过该储存器19将熔融渣8b排出。 在热水贮存器19中,借助于比重差使熔融炉渣8b和未熔化的焚烧灰分8b反转,并且焚烧灰分8a位于上层,以促进热量传递到焚烧灰分8a 。
    • 2. 发明专利
    • REFUSE INCINERATION PLANT
    • JPH1054522A
    • 1998-02-24
    • JP21266896
    • 1996-08-12
    • ISHIKAWAJIMA HARIMA HEAVY IND
    • INOUE SATOSHIYAMADA SADAHIROHAGIWARA HITOSHI
    • F23J1/00F23G5/14F23G5/46
    • PROBLEM TO BE SOLVED: To improve recovery efficiencies of heat held in combustion gas by providing a combustion gas line to cause combustion gas to flow to a combustion furnace between the combustion furnace and a melting furnace so as to be connected to both the furnaces. SOLUTION: An exhaust port 24 is formed in an exhaust passage 17 to discharge combustion gas produced by the combustion in a furnace body 15. Further one end of a combustion gas line 25 is connected to the port 24 and the other end thereof is connected to a combustion furnace so that combustion gas produced in the body 15 is caused to flow to the side of the combustion furnace through the combustion gas line. And an assist burner 22 helps the combustion in the furnace body 15 and a plasma torch 23 blows off ultrahigh temperature air toward incineration ash in the body 15, and a filter 21a filtrates combustion air to purify it. A heat recovery means 26 recovers heat in combustion gas flowing through the line 25, which is a high temperature gas air type preheater for preheating combustion air sent from a blower 21.
    • 4. 发明专利
    • MELTING DISPOSING METHOD FOR INCINERATION ASH
    • JPS6488020A
    • 1989-04-03
    • JP24407787
    • 1987-09-30
    • ISHIKAWAJIMA HARIMA HEAVY IND
    • MOTOMURA TAKEHIKOMIYAKOSHI MINORUINOUE SATOSHISEKI MASAOUMEDA JUJIRO
    • F23G5/00F23G5/14F23G5/50
    • PURPOSE:To eliminate a heat source and to enable stable continuous melting of incineration ash, by a method wherein, after an unburnt substance remaining in incineration ash is burnt, high temperature melting gas is guided to the downstream side of conveyance to melt incineration ash. CONSTITUTION:A waste S incinerated in an incinerator 1 produces incineration ash A to convey it from an incinerator body 3 to an after-combustion stoker 6, and operation is controlled so that a given amount of an unburnt substance remains in the incineration ash A. The incineration ash A fed from the after-combustion stoker 6 to a melting furnace 2 is burnt at a high temperature at a front part 17, and is molten as it is orderly conveyed. Melting is controlled by means of a pressure detecting device 22 and a melting gas flow rate control device 23. A controller 26 calculates a difference between pressure P1 and P2 detected by means of pressure sensors 24 and 25. When a deferential pressure DELTAP attains a given value DELTAP0, regulation of a flow rate is stopped, melting gas flows to the downstream side along the upper surface of an incinerator floor part 16, and the incineration ash A is melted, in order, in a conveyance direction E. After the molten incineration ash A is contained in a slug box 9, it is air-cooled and cured for disposal. Meanwhile, the melt gas is discharged to the outside of the incinerator after it heats air for melting.
    • 5. 发明专利
    • METHOD OF STABLE COMBUSTION OF FLUIDIZED BED FURNACE
    • JPS62182518A
    • 1987-08-10
    • JP2200786
    • 1986-02-05
    • ISHIKAWAJIMA HARIMA HEAVY IND
    • NARUSOKO MINORUINOUE SATOSHI
    • F23G5/30F23G5/50
    • PURPOSE:To provide stable combustion by transferring and crushing an object to be incinerated and throwing it into a fluidized bed and blowing out secondary air from a plurality of stages arranged in the direction of height in the freeboard section with the lowest stage close to the upper face of the fluidized bed. CONSTITUTION:An object 3 to be incinerated which is supplied from a dust supplying machine 5 may be pressed tight during transportation, but since it is crushed to be suitably loose by a crusher 10, its state of fluidization becomes good. Fire flames formed on the fluidized layer 14 are spread over the whole area of the bed by an air flow 22A that is blown out like a lattice from the nozzles in the lowest stage and controls the combustion temperature of the fluidized layer 14 and also can disperse uniformly combustible gases that are generated by thermal decomposition. Those combustible gases thus generated are burned completely by the secondary air flows 22B and 22C which are blown in a lattice form from the groups of nozzles 22b and 22c at respective stages while the combustible gases ascend in the freeboard section 21.
    • 6. 发明专利
    • SECONDARY COMBUSTION PROMOTING METHOD FOR FLUIDIZED BED FURNACE
    • JPS62169916A
    • 1987-07-27
    • JP894686
    • 1986-01-21
    • ISHIKAWAJIMA HARIMA HEAVY IND
    • NARISOKO MINORUINOUE SATOSHI
    • F23G5/027F23G5/30F23G5/50
    • PURPOSE:To perform uniform and stable combustion in a free board part and to enable control of the temperature of a fluidized bed, by a method wherein secondary air is blown in the shape of a lattice through nozzle groups horizontally situated in plural stages in the direction of the height of the free board part, and air from a group of the nozzles at a lowermost stage is approached to the upper surface of a fluidized bed. CONSTITUTION:A nozzle group 17 is situated so that secondary air is blown off, as shown by arrow marks 17A-17D, toward a center 0 of a furnace body 1. Flame is spread throughout the whole surface of a fluidized bed 9 by means of the air flow 17A through the nozzle group at a lowermost stage to control the temperature thereof and uniformly disperse decomposition gas generated resulting from thermal decomposition. Secondary air flows 17B-17D are blown off in the shape of a lattice in a manner to flow across a free board part 16 to vertically divide the interior of the free board part 16 into stages which are respectively covered therewith. Thereby, decomposition gas rising from the fluidized bed is sufficiently mixed with secondary air without blowing through to perform a stable combustion.
    • 10. 发明专利
    • Fusion control method and device for burner type fusion furnace
    • 用于燃烧器型熔融炉的熔融控制方法和装置
    • JP2005077081A
    • 2005-03-24
    • JP2003312276
    • 2003-09-04
    • Ishikawajima Harima Heavy Ind Co Ltd石川島播磨重工業株式会社
    • INOUE SATOSHI
    • F23J1/00F23G5/50F27D19/00
    • PROBLEM TO BE SOLVED: To accurately grasp a position of a surface fusion part in a burner type fusion furnace to be held in a proper position.
      SOLUTION: This burner type fusion furnace with the surface fusion part 20 of incineration ashes 5 formed in an exit 19a of a combustion chamber 19 in one side of a lateral-directed cylindrical fusion furnace main body 13, and with an oxygen burner 24 provided to direct a high-temperature jet flow 25 ranging over from the surface fusion part 20 to a well 16 is provided with a position detector 28 for detecting noncontactly the position of the surface fusion part 20 in the fusion furnace main body 13. A computation controller 29 is provided to input with a positional signal a detected by the position detector 28 and to compare it with a normal position of the surface fusion part 20 to issue a command. The computation controller 29 is connected to an oxygen supply line 30 to the oxygen burner 24 and flow control valves 32, 33 of an auxiliary fuel oil supply line 31. An amount of oxygen and an amount of the auxiliary fuel oil are increased or decreased based on positional information in the surface fusion part 20.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:准确地掌握要保持在适当位置的燃烧器型熔炉中的表面熔融部件的位置。 解决方案:具有焚烧灰5的表面熔融部分20的燃烧器型熔炉,形成在侧向圆筒形熔融炉主体13的一侧的燃烧室19的出口19a上,并具有氧气燃烧器 设置有用于引导从表面熔融部20到阱16的高温喷射流25的位置检测器28,用于非接触地检测熔融炉主体13中的表面熔融部20的位置。 计算控制器29被设置为输入由位置检测器28检测到的位置信号α,并将其与表面融合部20的正常位置进行比较以发出命令。 计算控制器29连接到氧气燃烧器24的氧气供给管线30和辅助燃料油供应管线31的流量控制阀32,33。辅助燃料油的量的量和辅助燃料油的量基于 表面融合部分20中的位置信息。(C)2005,JPO&NCIPI