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    • 31. 发明专利
    • Lance pipe
    • LANCE PIPE
    • JP2011017529A
    • 2011-01-27
    • JP2010188342
    • 2010-08-25
    • Tokyo Yogyo Co Ltd東京窯業株式会社
    • FUKUDA TOMOMIYANAGI KENJIMATSUSHIMA TAKAAKI
    • F27D3/18C21C1/02C21C1/04C21C7/072
    • PROBLEM TO BE SOLVED: To provide a lance pipe having a curved part of a core metal, in which the core metal is hardly worn even when a solid molten metal treatment agent such as powder is introduced, and which can be easily manufactured.SOLUTION: The lance pipe 1 for supplying the solid molten metal treatment agent to molten metal includes the cylindrical core metal 10 made of metal, and a refractory layer 20 covering the outer circumferential surface of the core metal. The core metal includes a straight pipe part 11 linearly extended from an inlet port 21 for introducing the molten metal treatment agent and a curved pipe part 12 extended from the straight pipe part in a curved shape. The line pipe 1 includes one or more metallic protruding pieces P protruding from the inner circumferential surface on the side corresponding to the outside relative to the curve of the curved pipe part in the inner circumferential surface of the straight pipe part and the curved pipe part of the metal core in a height of 1/20-1/2 of the inside diameter of the core metal.
    • 要解决的问题:提供一种具有芯金属的弯曲部分的喷枪管,其中即使引入固体熔融金属处理剂如粉末,芯金属几乎不磨损,并且可以容易地制造。解决方案: 用于向熔融金属供应固体熔融金属处理剂的喷枪管1包括由金属制成的圆筒形芯金属10和覆盖芯金属的外圆周表面的耐火层20。 芯金属包括从用于引入熔融金属处理剂的入口21线性延伸的直管部分11和从直管部分弯曲形成的弯曲管部分12。 管线管1包括一个或多个金属突出片P,该金属突出片P从直管部分的内圆周表面中相对于弯曲管部分的曲线相对于外侧的内圆周表面突出,并且弯曲管部分 金属芯的高度为核心金属内径的1 / 20-1 / 2。
    • 34. 发明专利
    • Nozzle for injecting powdery material
    • 用于注射粉末材料的喷嘴
    • JP2009133007A
    • 2009-06-18
    • JP2008313349
    • 2008-12-09
    • Nippon Steel Corp新日本製鐵株式会社
    • AOKI RIICHIFUKUDA KAZUHISANOBEMOTO AKIRAKUMAZAWA HIROYUKI
    • C21C5/48C21C7/072F27D3/18
    • PROBLEM TO BE SOLVED: To provide a nozzle for injecting powdery material, in which an inner surface of an inner tube has excellent wear resistance and high mechanical strength, and each layer in the inner tube constituting the nozzle is firmly stuck while in use.
      SOLUTION: The nozzle for injecting powdery material has a three-layer structure formed by laminating an inner layer made of baked ceramics, an intermediate layer made of a buffer material, and an outer layer made of stainless steel or a unidirectional shape memory alloy. A fitting pin comprising the same material as the outer layer is inserted and fixed in a fitting hole which penetrates the outer and intermediate layers and is bored in the inner layer but does not penetrate the inner surface of the inner layer. The depth of the fitting hole is 50% or larger of a sum of the total thickness of the outer, intermediate, and inner layers, and 80% or smaller of a sum of the total thickness of the outer, intermediate, and inner layers.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种用于注入粉末状材料的喷嘴,其中内管的内表面具有优异的耐磨性和高的机械强度,并且构成喷嘴的内管中的每个层牢固地卡在 使用。 解决方案:用于注入粉末材料的喷嘴具有三层结构,其通过层压由烘焙陶瓷制成的内层,由缓冲材料制成的中间层和由不锈钢制成的外层或单向形状记忆 合金。 将包含与外层相同的材料的装配销插入并固定在穿透外层和中间层的嵌合孔中,并且在内层中钻孔但不穿透内层的内表面。 装配孔的深度为外层,中层和内层的总厚度之和的50%以上,外层,中层和内层的总厚度之和的80%以下。 版权所有(C)2009,JPO&INPIT
    • 35. 发明专利
    • Method and apparatus for treating dust
    • 用于处理污垢的方法和装置
    • JP2008086845A
    • 2008-04-17
    • JP2006267193
    • 2006-09-29
    • Nippon Spindle Mfg Co Ltd日本スピンドル製造株式会社
    • HORI TAKAAKIMIYOSHI AKIHIKO
    • B09B3/00B65G53/58C21C5/52C22B1/248F27D3/18
    • Y02P10/216
    • PROBLEM TO BE SOLVED: To provide a method, by which dust contained in the exhaust gas to be discharged from an electric furnace is treated hygienically while making efficient and effective use of useful metals contained in the dust, and also to provide an apparatus for the same. SOLUTION: The method for treating dust comprises the steps of: filtering the exhaust gas to be discharged from the electric furnace X by a dust collector S; forming the dust to be discharged from the dust collector S into a dust pellet by using a pelletizer P; and returning the molded dust pellet to an electric furnace facility by pneumatic transportation to treat the returned dust pellet in the electric furnace X. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种方法,通过该方法,在对电除尘器中排出的废气中包含的灰尘进行卫生处理的同时有效地利用灰尘中含有的有用金属,并且提供一种 装置相同。 解决方案:处理粉尘的方法包括以下步骤:通过集尘器S过滤从电炉X排出的废气; 通过使用造粒机P将从集尘器S排出的灰尘形成粉尘颗粒; 并通过气动输送将成型的粉尘颗粒返回到电炉设备,以处理电炉X中返回的灰尘颗粒。版权所有(C)2008,JPO&INPIT
    • 36. 发明专利
    • Distribution ratio adjusting method of raw material supply passage of raw material blowing apparatus, and raw material blowing apparatus using it
    • 原材料吹制装置的原材料供给的分配比调整方法和使用其的原材料吹制装置
    • JP2008051400A
    • 2008-03-06
    • JP2006227711
    • 2006-08-24
    • Mitsubishi Materials Corp三菱マテリアル株式会社
    • MATSUTANI TERUYUKIONISHI KAZUTAKA
    • F27D3/18C21C7/072C22B5/08C22B15/00
    • PROBLEM TO BE SOLVED: To provide a distribution ratio adjusting method of raw material supplied to the respective lances and a raw material blowing apparatus using the method, restraining digging of a bottom located below the lance by controlling the supply amount of raw material pneumatic-transported to the respective lances, in a raw material blowing apparatus including a plurality of lances having an inner pipe and an outer pipe.
      SOLUTION: This raw material blowing apparatus 1 includes: the plurality of lances10; a lance air supply passage 21; and a raw material supply passage 30 having a branch supply passage 31. The pressures of lance air A are measured during non-transport of raw material and during transport of raw material through the raw material branch supply passage 31 by a pressure sensor 23 provided in the lance air supply passage 21, and the measured values are plotted on orthogonal coordinates. The pressure of the raw material transport air C is adjusted by a raw material transport air flow adjusting means so that the distance between sets of measured values obtained concerning the respective lances 10 becomes small, thereby reducing a difference in weight distribution ratio of raw material.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:为了提供供给到各个喷枪的原料的分配比率调节方法和使用该方法的原料吹送装置,通过控制原料的供给量来限制位于喷枪下方的底部的挖掘 在包括具有内管和外管的多个喷枪的原料吹送装置中气动输送到各个喷枪。 该原料吹送装置1包括:多个喷枪10; 喷枪空气供给通道21; 具有分支供给通道31的原材料供给通道30.在不输送原材料期间以及在通过原料分支供给通道31通过原料分支供给通道31输送原料的过程中测量喷枪空气A的压力, 喷枪空气供给通道21和测量值绘制在正交坐标上。 原料输送空气C的压力通过原料输送空气流量调节机构进行调整,使得相对于各个喷枪10获得的测定值的集合的距离变小,从而减少原料的配重比的差异。 版权所有(C)2008,JPO&INPIT