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    • 2. 发明申请
    • Spray nozzles
    • 喷嘴
    • US20070221540A1
    • 2007-09-27
    • US11606591
    • 2006-11-29
    • Douglas DziadzioDaniel deLesdernierMatthew BetsoldRonald Emerson
    • Douglas DziadzioDaniel deLesdernierMatthew BetsoldRonald Emerson
    • C10G11/00A62C31/02B05B1/00
    • B05B1/14A62C31/05B01J8/1827B01J2208/00902B05B1/04B05B7/06B05B7/065B05B7/067
    • A nozzle for discharging first and second fluids in a spray pattern into a vessel, such as oil and steam in a catalytic cracking unit, includes various configurations for preventing erosion of the outlet portion of the nozzle that otherwise might be due, for example, to contact with a catalyst or other predetermined substance. In one such nozzle, the exterior surface of the outlet portion substantially conforms to the internal contour of the vessel. In another such nozzle, the outlet portion defines a plurality of substantially concentric, substantially elliptical-shaped outlet apertures. In another nozzle, the outlet portion is formed of ceramic and is connected to the inlet portion by a metal connector. In another nozzle, the outlet portion defines a plurality of apertures angularly spaced about a peripheral region of the outlet portion for discharging a substantially flat fan spray pattern, and a second outlet portion extending along an upstream portion of the outlet portion for discharging at least part of its spray to prevent any catalyst from contacting the downstream surfaces of the outlet portion.
    • 用于以喷射图案将第一和第二流体排放到容器中的喷嘴,例如在催化裂化装置中的油和蒸汽,包括用于防止喷嘴出口部分的侵蚀的各种构造,否则可能是由于例如 与催化剂或其它预定物质接触。 在一个这样的喷嘴中,出口部分的外表面基本上符合容器的内部轮廓。 在另一个这样的喷嘴中,出口部分限定了多个基本上同心的,基本上椭圆形的出口孔。 在另一个喷嘴中,出口部分由陶瓷形成,并通过金属连接器连接到入口部分。 在另一个喷嘴中,出口部分限定了围绕出口部分的周边区域成角度地间隔开的多个孔口,用于排放基本平坦的风扇喷雾图案,以及沿出口部分的上游部分延伸的第二出口部分,用于排放至少部分 的喷雾以防止任何催化剂接触出口部分的下游表面。
    • 4. 发明授权
    • Swirl unit, orifice plate, and spray nozzle including same
    • 涡流单元,孔板和包括其的喷嘴
    • US06193172B1
    • 2001-02-27
    • US09322792
    • 1999-05-28
    • Lincoln S. SouleDouglas J. DziadzioMark W. YornsPaul MuellerDaniel deLesdernierThomas A. BassettMatthew P. BetsoldShane Taylor
    • Lincoln S. SouleDouglas J. DziadzioMark W. YornsPaul MuellerDaniel deLesdernierThomas A. BassettMatthew P. BetsoldShane Taylor
    • B05B134
    • B05B1/3442B05B1/3436
    • In a spray nozzle (10), a carrier (12) defines a spray aperture (20), a groove (30) surrounding the spray aperture for receiving an o-ring (32), a first locating bore (26) for slidably receiving an orifice plate (14) seated against the o-ring (32) and for aligning the orifice plate with the spray aperture, and a second locating bore (28) for slidably receiving a swirl unit and aligning the swirl unit (16) with the orifice plate and spray aperture. The swirl unit (16) defines on its peripheral surface a recessed flat (58) forming a fluid passageway between the swirl unit and carrier. The swirl unit (16) includes a swirl chamber (60) defined by a curvilinear surface (62) formed within the swirl unit, and an inlet port (64) formed in fluid communication between the swirl chamber and fluid passageway. The nozzle body (18) is threadedly received within the carrier (12) behind the swirl unit (16) to axially press the swirl unit, and in turn press the orifice plate (14) against the adjacent surface of the carrier.
    • 在喷嘴(10)中,载体(12)限定了喷射孔(20),围绕喷射孔的凹槽(30),用于容纳O形环(32),第一定位孔(26),用于可滑动地接收 安置在所述O形环(32)上并用于使所述孔板与所述喷射孔对准的孔板(14)和用于可滑动地容纳旋转单元并使所述旋流单元(16)与所述旋转单元 孔板和喷孔。 旋转单元(16)在其外周表面上限定形成在旋转单元和载体之间的流体通道的凹入平面(58)。 涡流单元(16)包括由形成在旋转单元内的曲线表面(62)限定的涡流室(60)和形成为在涡流室和流体通道之间流体连通的入口(64)。 喷嘴主体(18)螺旋地容纳在旋转单元(16)后面的载体(12)内,以轴向地按压旋转单元,并且再次将孔板(14)压靠在载体的相邻表面上。