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    • 3. 发明申请
    • Process for Producing Metallic Ultrafine Powder
    • 生产金属超细粉的工艺
    • US20080145657A1
    • 2008-06-19
    • US11793424
    • 2005-12-22
    • Hiroshi IgarashiTakayuki MatsumuraShinichi Miyake
    • Hiroshi IgarashiTakayuki MatsumuraShinichi Miyake
    • B32B15/02B22F9/22
    • B22F9/22B22F9/28B22F2998/00F23D14/22F23D14/32F23D14/78Y02E20/344Y10T428/2982B22F1/0048B22F1/0018
    • A process for producing metallic ultra-fine powder, which can use a raw material which is spread over a wide range, and control freely the grain size of the metallic powder to be produced, at low cost and high safety. The process for producing the metallic ultra fine powder consists of using a burner and a furnace which can generate a high temperature reductive atmosphere, and an apparatus for separating gas which is generated in the furnace from powder to recover the powder. The burner has a function of blowing a powdery metallic compound as a raw material into a high temperature reductive flame. The raw material powder is efficiently heated in airflow of a high temperature reductive flame, thereby being reduced rapidly into metallic ultra-fine powder. At this time, the grain size of the metallic ultra-fine powder is controlled by adjusting the oxygen ratio (i.e. the ratio of amount of the burning-assist gas supplied to the burner to the amount of the burning-assist gas required for completely burning the fuel).
    • 一种生产金属超细粉末的方法,其可以使用在宽范围内分散的原料,并且以低成本和高安全性自由地控制待生产的金属粉末的晶粒尺寸。 金属超细粉末的制造方法由使用能够产生高温还原气氛的燃烧器和炉子构成,以及用于从炉中产生的气体从粉末中分离以回收粉末的装置。 燃烧器具有将作为原料的粉末状金属化合物吹入高温还原火焰的功能。 原料粉末在高温还原火焰气流中被有效地加热,从而迅速地被还原成金属超细粉末。 此时,通过调节氧比(即,供给燃烧器的燃烧辅助气体的量与完全燃烧所需的燃烧辅助气体的量的比例)来控制金属超细粉末的粒径 燃料)。
    • 8. 发明授权
    • Sphering apparatus and operating method thereof
    • 悬挂装置及其操作方法
    • US07787984B2
    • 2010-08-31
    • US12066752
    • 2005-09-22
    • Yoshiyuki HagiwaraShinichi Miyake
    • Yoshiyuki HagiwaraShinichi Miyake
    • G06F19/00C03B13/14C03B9/00
    • C01B33/12
    • A sphering apparatus includes a sphering furnace on a body of which a plurality of adhesion preventing air-introducing holes is formed and at a lower position of which a carrier air-introducing hole and a carrier air-withdrawing hole are formed; an air blower introducing both an adhesion preventing air and a carrier air; a first pipe one end of which is connected to a discharging part of the air blower and the other end of which is biforked, one biforked end being connected to the carrier air-introducing hole and the other biforked end being connected to a manifold bundling the plurality of adhesion preventing air-introducing holes; a first damper provided in any one of two pipes in the biforked part of the first pipe; a cyclone connected to the carrier air-withdrawing hole through a second pipe; and a bag filter connected to the cyclone through a third pipe.
    • 悬挂装置包括在其上形成有多个防粘连空气引入孔的主体上的气相炉,并且在其下部形成有载体空气引入孔和载体抽吸孔; 引入防粘气体和载气的鼓风机; 第一管一端连接到鼓风机的排放部分并且另一端被分叉,一个分叉端连接到载体空气引入孔,另一个分叉端连接到歧管 多个防粘附空气导入孔; 设置在第一管道的分叉部分中的两个管道中的任一个中的第一阻尼器; 通过第二管连接到载体抽气孔的旋风分离器; 以及通过第三管连接到旋风分离器的袋式过滤器。
    • 10. 发明授权
    • Burner for production of inorganic spheroidized particle
    • 燃烧器生产无机球状颗粒
    • US08393892B2
    • 2013-03-12
    • US12602408
    • 2007-05-30
    • Yoshiyuki HagiharaKazuro SuzukiShinichi MiyakeYasuyuki Yamamoto
    • Yoshiyuki HagiharaKazuro SuzukiShinichi MiyakeYasuyuki Yamamoto
    • F23D14/24
    • F23D14/24F23D14/32Y02E20/344Y10T428/2982
    • A burner for production of inorganic spheroidized particles according to the present invention includes a raw material powder supply path that supplies raw material powder by using oxygen or an oxygen-enriched air as a carrier gas; a powder diffusion plate having a plurality of fine holes, which is provided at a downstream end of the raw material powder supply path; a raw material diffusion chamber that is formed in a diffusion pipe provided at a downstream end of the powder diffusion plate; a fuel supply path disposed around the outer circumference of the raw material powder supply path; an oxygen supply path disposed around the outer circumference of the fuel supply path; and a combustion chamber disposed at a downstream side of the raw material diffusion chamber, which has an inside diameter increasing along the downstream direction and communicates with the fuel supply path and the oxygen supply path.
    • 本发明的无机球状粒子的制造用燃烧器包括使用氧气或富氧空气作为载气供给原料粉末的原料粉末供给路径, 具有多个细孔的粉末扩散板,其设置在原料粉末供给路径的下游端; 原料扩散室,其形成在设置在所述粉末扩散板的下游端的扩散管中; 燃料供给路径,设置在原料粉末供给路径的外周附近; 设置在燃料供给路径的外周的供氧路径; 以及设置在所述原料扩散室的下游侧的燃烧室,所述燃烧室的内径沿着所述下游方向增大并与所述燃料供给路径和所述氧气供给路径连通。