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    • 3. 发明授权
    • Burner and a fuel etc. supply method
    • 燃烧器和燃料等供应方式
    • US5997595A
    • 1999-12-07
    • US721335
    • 1996-09-26
    • Katsuhiko YokohamaToshiyuki TakegawaYoshinori KoyamaYoshiki Yamaguchi
    • Katsuhiko YokohamaToshiyuki TakegawaYoshinori KoyamaYoshiki Yamaguchi
    • F23C99/00C10J3/46C10J3/48C10J3/50C10J3/54F23D1/02
    • C10J3/487C10J3/506C10J2200/152C10J2300/1223
    • A burner for an entrained bed gasifier is provided in which a stable ignition is accelerated in the vicinity of a fuel jetting port and a good combustion state is maintained. A fuel (1, 3), such as coal and char etc., and a portion of a gasifying agent (2, 4, 5) are premixed in a burner before they a charged into a gasifier. The burner includes a triple tubular member including an outer tubular portion, an intermediate tubular portion, and an inner tubular portion. A seal gas tube is positioned within the inner tubular portion. At the time when the fuel, such as coal and char etc., and a premixing gas (a portion of the gasifying agent) are charged into the burner, at least any one of the fuel, such as coal and char etc., and the premixing gas is charged in a tangential direction relative to the burner central axis so as to be given a swirling directional velocity component.
    • 提供一种用于夹带式气化器的燃烧器,其中在燃料喷射口附近加速稳定的点火,并保持良好的燃烧状态。 燃料(1,3),例如煤和炭等,以及一部分气化剂(2,4,5)在燃烧器中充入气化器之前被预混合在燃烧器中。 燃烧器包括一个三重管状构件,其包括外部管状部分,中间管状部分和内部管状部分。 密封气管定位在内管状部分内。 当燃料(例如煤和炭等)和预混合气体(一部分气化剂)装入燃烧器时,至少任何一种燃料如煤和炭等,以及 预混合气体相对于燃烧器中心轴线在切向方向上充电,以便得到旋转的方向速度分量。
    • 7. 发明申请
    • SLAG-MELTING BURNER APPARATUS
    • SLAG-MELTING燃烧器装置
    • US20110265696A1
    • 2011-11-03
    • US13120791
    • 2009-10-05
    • Shinya HamasakiToshimi OhtsukaYoshinori KoyamaKatsuhiko YokohamaYasunari ShibataJun Kasai
    • Shinya HamasakiToshimi OhtsukaYoshinori KoyamaKatsuhiko YokohamaYasunari ShibataJun Kasai
    • F23D1/00
    • F23D14/78F23D14/22F23D14/32F27D99/0033Y02E20/344
    • It is possible to prevent a phenomenon by which the wall temperature of an outer cylinder rises abruptly as a layer of steam covers the inner circumferential surface of the outer cylinder and therefore decreases the heat transfer coefficient thereof, thus preventing a heat damage to the outer cylinder. Also prevented is burnout of the burner resulting from insufficient cooling due to variations in cooling efficiency at a leading end of the burner. A leading end located in a two-stage entrained-flow bed coal gasifier has a double-walled structure including an outer cylinder and an inner cylinder, and cooling water for cooling the leading end is supplied through an interior of the inner cylinder to cool the leading end and is then returned to a base end through a space formed between the outer cylinder and the inner cylinder. The space formed between the outer cylinder and the inner cylinder has a smaller channel area than the interior of the inner cylinder, and a swirling flow along a guide formed on an outer circumferential surface of the inner cylinder and a substantially linear flow in a longitudinal direction of the outer cylinder and the inner cylinder are applied to the cooling water returned to the base end through the space formed between the outer cylinder and the inner cylinder.
    • 可以防止外筒的壁温突然上升的现象,因为蒸汽层覆盖外筒的内周面,因此降低其传热系数,从而防止对外筒的热损伤 。 还可以防止由于燃烧器前端的冷却效率的变化而导致的冷却不足导致的燃烧器烧坏。 位于两级夹带式煤气化炉中的前端具有包括外筒和内筒的双壁结构,用于冷却前端的冷却水通过内筒的内部供应以冷却 然后通过形成在外筒和内筒之间的空间返回到基端。 形成在外筒和内筒之间的空间具有比内筒内部更小的通道面积,并且沿着形成在内筒的外周面上的引导件的旋转流和在纵向上的大致直线流动 通过外筒和内筒之间形成的空间将外筒和内筒施加到返回到基端的冷却水。