CN115989325A - 拉伐尔喷嘴及其制造方法 - Google Patents

拉伐尔喷嘴及其制造方法 Download PDF

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Publication number
CN115989325A
CN115989325A CN202080103594.2A CN202080103594A CN115989325A CN 115989325 A CN115989325 A CN 115989325A CN 202080103594 A CN202080103594 A CN 202080103594A CN 115989325 A CN115989325 A CN 115989325A
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China
Prior art keywords
laval nozzle
oxygen
channel
wall
cooling liquid
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Pending
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CN202080103594.2A
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English (en)
Inventor
李长鹏
张卿卿
吴琪
陈国锋
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Siemens AG
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Siemens AG
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Publication of CN115989325A publication Critical patent/CN115989325A/zh
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/068—Decarburising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/072—Treatment with gases

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Nozzles (AREA)

Abstract

拉伐尔喷嘴(100)及其制造方法，其中拉伐尔喷嘴(100)包括：外壳(160)；第一冷却液体通道(110)，其设置于第一容纳空间中并具有冷却液入口(110a)；第二冷却液通道(120)，其设置于第一容纳空间中并具有冷却液出口(120a)，第一冷却液体通道(110)和第二冷却液通道(120)联通并具有循环流动的冷却液体；第一氧气通道(130)，其容纳并输送氧气至拉伐尔喷嘴(100)的出气口；氧腔(180)；扩散壁(170)，其设置于拉伐尔喷嘴(100)底部并横向延伸至外壳(160)，第二氧气通道(140)，第二氧气通道(140)的底部开口向四周横向延伸至外壳(160)以形成一个隔离壁(150)，隔离壁(150)和扩散壁(170)之间具有一个第二容纳空间，使得氧气从所述第一氧气通道(130)输送至第二氧气通道(140)并在第二容纳空间中通过扩散壁(170)的多个气孔扩散，从而提高了拉伐尔喷嘴(100)的冷却效率和使用寿命。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN202080103594.2A 2020-09-08 2020-09-08 拉伐尔喷嘴及其制造方法 Pending CN115989325A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2020/114078 WO2022051912A1 (zh) 2020-09-08 2020-09-08 拉伐尔喷嘴及其制造方法

Publications (1)

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CN115989325A true CN115989325A (zh) 2023-04-18

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ID=80632432

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CN202080103594.2A Pending CN115989325A (zh) 2020-09-08 2020-09-08 拉伐尔喷嘴及其制造方法

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CN (1) CN115989325A (zh)
WO (1) WO2022051912A1 (zh)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT389710B (de) * 1988-04-25 1990-01-25 Voest Alpine Ind Anlagen Blaslanze
US5575636A (en) * 1994-06-21 1996-11-19 Praxair Technology, Inc. Porous non-fouling nozzle
DE10253463A1 (de) * 2002-11-16 2004-06-03 Gecon Engineering Gmbh Verfahren und Vorrichtung zur Kühlung von Blaslanzen
CN100552189C (zh) * 2007-11-16 2009-10-21 清华大学 受热壁面冷却结构以及使用该冷却结构的燃气轮机叶片
US9003657B2 (en) * 2012-12-18 2015-04-14 General Electric Company Components with porous metal cooling and methods of manufacture
DE102015114202A1 (de) * 2015-07-17 2017-01-19 Sms Group Gmbh Sprühkopf zur Kühlschmierung mindestens eines Gesenks einer Umformmaschine sowie Verfahren zur Herstellung eines derartigen Sprühkopfs
BE1023609B1 (fr) * 2016-04-15 2017-05-16 Soudobeam Sa Nez de lance de soufflage
CN107719630B (zh) * 2017-09-25 2019-08-16 中国人民解放军国防科技大学 一种层板式燃气发汗鼻锥
CN207713764U (zh) * 2017-12-28 2018-08-10 首钢集团有限公司 一种用于吹氧脱碳的氧枪
CN108423154B (zh) * 2018-03-13 2020-03-31 中国科学技术大学 基于梯度多孔材料的高超声速飞行器前缘热防护方法

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