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WO2002038322A1 - Atomiseur utilise lors de l'oxycoupage et le soudage au gaz et au combustible - Google Patents

Atomiseur utilise lors de l'oxycoupage et le soudage au gaz et au combustible Download PDF

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Publication number
WO2002038322A1
WO2002038322A1 PCT/CN2001/001517 CN0101517W WO0238322A1 WO 2002038322 A1 WO2002038322 A1 WO 2002038322A1 CN 0101517 W CN0101517 W CN 0101517W WO 0238322 A1 WO0238322 A1 WO 0238322A1
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WO
WIPO (PCT)
Prior art keywords
tube
gasoline
oxygen
atomizer
thin
Prior art date
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Ceased
Application number
PCT/CN2001/001517
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English (en)
French (fr)
Inventor
Guangqi Liang
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU2002220470A priority Critical patent/AU2002220470A1/en
Priority to US10/416,374 priority patent/US20050067505A1/en
Publication of WO2002038322A1 publication Critical patent/WO2002038322A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/10—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour
    • F23D11/106—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the spraying being induced by a gaseous medium, e.g. water vapour medium and fuel meeting at the burner outlet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
    • F23D11/36—Details
    • F23D11/38—Nozzles; Cleaning devices therefor

Definitions

  • the invention relates to a gasoline-oxygen cutting and welding ejection atomizer, and belongs to the technical field of machining.
  • the gasoline-oxygen cutting series currently designed by the applicant can cut steel of various thicknesses.
  • the cutting tool consists of a special cutting nozzle, a special cutting torch and a stabilized gasoline tank. Its patent numbers are ZL95211651.0, ZL94247487.2, ZL97250604.7.
  • the disadvantages of the above patented products are: When using compressed air to send gasoline from the oil tank to the torch and torch, the gasoline is fogged in the torch The chemical is still not ideal; oil drips often occur at the cutting nozzle outlet during improper operation; if the rubber tube connecting the oil tank and the torch is accidentally disconnected, gasoline will be sprayed out, which is not safe.
  • the purpose of the present invention is to design a gasoline-oxygen cutting and welding jet atomizer.
  • the jet atomizer is installed in the torch according to the principle of fluid dynamics, and the gasoline is sucked out of the gasoline tank by a high-speed oxygen jet. It is atomized in the cutting torch and the cutting nozzle, and is mixed with oxygen and sprayed from the cutting nozzle to ignite to obtain the cutting flame.
  • the gasoline-oxygen cutting and welding ejection atomizer of the present invention is composed of an ejection atomizer body, a diffusion tube, a preheated oxygen thin tube and a gasoline thin tube.
  • the diffusion tube and the preheated oxygen thin tube are coaxially located at the center of the body.
  • the two pipes communicate with each other, and the gasoline thin pipe extends into the body from the two sides of the body and communicates with the diffusion pipe.
  • the diffusion tube is a conical tube.
  • the thick end of the conical tube coincides with the end surface of the body, and the thin end is connected with the preheated oxygen thin tube.
  • the angle ⁇ 2 0 to 45 between the gasoline thin tube and the diffusion tube perpendicular. .
  • the ejection atomizer of the present invention is fixed in the torch head or the preheated oxygen tube. After the preheated oxygen tube is turned on, the gasoline is pumped into the torch and atomized to obtain sufficient combustion, flame concentration, and easy adjustment. Ideal for cutting flames.
  • the obvious advantages of this gasoline-oxygen cutting machine are: The gasoline tank does not need to be inflated, which makes it more convenient for the author; the phenomenon of oil dripping and fuel injection during the operation is eliminated, and the atomized gasoline and gasoline are sprayed when the oxygen valve cutting nozzle is opened. Oxygen mixture. After the oxygen valve is closed, the gasoline will be cut off immediately, which greatly improves the safety during use and the cost has been reduced significantly.
  • FIG. 1 is a schematic structural diagram of a gasoline-oxygen cutting and welding ejection atomizer of the present invention.
  • Fig. 2, Fig. 3, and Fig. 4 are schematic diagrams of three different structural forms of gasoline-oxygen torch used with the ejection atomizer of the present invention.
  • reference numeral 1 is the body of the ejection atomizer
  • 2 is the gasoline inlet
  • 3 is the preheated oxygen inlet
  • 4 is the preheated oxygen thin tube
  • 5 is the gasoline thin tube
  • 6 is the diffuser tube.
  • Figures 2 to 4 are schematic diagrams of the structure of the gasoline-oxygen torch used with the ejector atomizer.
  • 7 is the fuel supply pipe
  • 8 is the oxygen supply pipe
  • 9 is the gasoline trim valve
  • 10 is the cutting torch body
  • 11 is the cutting oxygen pipe
  • 12 is the cutting nozzle joint
  • 13 is the cutting nozzle
  • 14 is Preheating oxygen valve
  • 15 is a cutting oxygen valve
  • 16 is a preheating oxygen pipe.
  • the gasoline-oxygen cutting and welding ejection atomizer of the present invention is composed of an ejection atomizer body 1, a diffusion tube 6, a preheated oxygen thin tube 4, and a gasoline thin tube 5.
  • the diffusion tube 6 and the preheated oxygen thin tube 4 are coaxially located at the center of the body 1 and communicate with each other.
  • the gasoline thin tube 5 extends into the body from one side of the body and communicates with the diffusion tube 6.
  • the diffusion tube is a conical tube.
  • the thick end of the ⁇ -shaped tube coincides with the end surface of the body, and the thin end is connected with the preheated oxygen thin tube.
  • the length of the preheated oxygen capillary ⁇ is 3 ⁇ 5 ⁇ m.
  • the working principle of the ejection atomizer of the present invention is: When the preheated oxygen enters the thin tube 4 from the inlet 3, the oxygen flow is accelerated, and when it enters the diffuser tube, a negative pressure is generated at the outlet of the gasoline thin tube 5, and the suction force follows. It is continuously increased. The gasoline is sucked into the diffusion pipe 6 and interacts with the high-speed oxygen flow entering from the preheated oxygen thin pipe. The gasoline is atomized and mixed with oxygen uniformly, and then it is ejected from the diffusion pipe into the cutting nozzle. ignite.
  • An embodiment of the present invention is: the preheated oxygen thin tube has a diameter of 0.8 mm and a length of 4 mm.
  • the diameter of petrol thin tube is 1.5mm.
  • the diameter of the small end of the diffusion tube is 2mm, the length is 12mm, and the taper is 6 °.
  • the position of the gasoline thin tube in the diffusion tube is 3mm from the outlet of the preheated oxygen tube.
  • the ejection atomizer is placed in the cutting tip joint 12, and a solid metal rod smaller than 1 mm in diameter is fixed in the oil supply pipe 7, and the oil is fed through the oblique hole in the joint 12.
  • the preheated oxygen tube 16 communicates with the oxygen inlet of the ejection atomizer.
  • the outlet of the diffuser pipe communicates with the cavity in the head of the cutting nozzle 13.
  • the diameter of the preheated oxygen thin tube is 0.8 mm
  • the diameter of the gasoline thin tube is 1.5 mm
  • the diameter of the small end of the diffusion tube is 2 mm
  • the taper is 6 °
  • the length is 12 mm.
  • the ejection atomizer is fixed in the preheated oxygen pipe 16, the oxygen inlet is connected with the preheated oxygen pipe in the torch body, the fuel supply pipe 7 sends gasoline to the gasoline thin pipe, and the diffuser pipe exit It communicates with the cavity in the upper part of the cutting nozzle 13.
  • the diameter of the preheated oxygen thin tube 4 is 0.8 mm
  • the length is 3 mm
  • the diameter of the gasoline thin tube 5 is 1.5 mm
  • the diameter of the diffusion tube 6 is 2 mm
  • the length is 12 mm. Meter.
  • the ejection atomizer of the present invention is used for the dispenser head of a semi-automatic cutting machine.
  • the ejection atomizer is placed at the joint between the preheated oxygen pipe 16 and the cutting nozzle joint, and the gasoline thin tube and the fuel supply
  • the tube 7 communicates, the preheated oxygen thin tube communicates with the preheated oxygen tube 16, and the diffusion tube exits.
  • the mouth communicates with the cavity in the head of the cutting nozzle 13.
  • the diameter of the preheated oxygen thin tube 4 is 0.9mm
  • the length is 3mm
  • the diameter of the gasoline thin tube 5 is 1.5mm
  • the taper of the diffusion tube is 6 °
  • the diameter of the small end is 2mm
  • the length is 12mm Meter.
  • cutting processing can be used to cut steel materials of various thicknesses.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles For Spraying Of Liquid Fuel (AREA)

Description

汽油一氧气割焊引射雾化器
技术领域
本发明涉及一种汽油 -氧气割焊引射雾化器， 属机械加工技 术领域。
背景技术
目前由本申请人设计的汽油 -氧气切割系列产品可切割各 种厚度的钢材， 该切割工具由专用割嘴、 专用割炬和稳压汽油罐 組成。 其专利号分别为 ZL95211651.0 , ZL94247487.2 , ZL97250604.7, 上述专利产品的缺点是： 用压缩空气将汽油从油 罐中压送至割炬和割嘴中时， 汽油在割炬中雾化仍不够理想； 操 作不当时割嘴出口处常产生滴油； 连接油罐和割炬的橡胶管如意 外断开， 汽油会喷洒出来， 很不安全。
发明内容
本发明的目的是设计一种汽油-氧气割焊引射雾化器， 根据 流体动力学原理将引射雾化器安装在割炬内， 通过高速氧气射流 从汽油罐中将汽油抽吸出来， 在割炬和割嘴中被雾化， 并与氧气 掺混在一起后从割嘴处喷出， 即可点燃获得切割火焰。
本发明的汽油-氧气割焊引射雾化器由引射雾化器本体、 扩 散管、 预热氧细管和汽油细管組成， 扩散管和预热氧细管同轴位 于本体中心， 二者之间相通， 汽油细管从本体二侧伸进本体后与 扩散管相通。 扩散管为锥形管， 锥形管的粗端与本体端面相重合， 细端与预热氧细管相接， 锥形管的锥度为 0^ = 5。 ~ 10。， 锥形管的 长度为预热氧细管长度的 2 ~ 5倍， 即 1。= ( 2 ~ 5 ) 1χ, 预热氧细 管的长度 ^为 3 ~ 5亳米。汽油细管和扩散管相交之处与扩散管和 预热氧管相接之处的距离 12 = 2 ~ 8亳米。 上述雾化器中， 汽油细管与扩散管垂线的夹角 α2 = 0 ~ 45。。 预热氧细管直径（^ = 0.5 - 2.5亳米。 扩散管小端直径 d2 = 1.5 ~ 3 亳米。 汽油细管直径 d3 = 0.5 ~ 2亳米。
将本发明的引射雾化器固定在割炬头部或预热氧管中， 开启 预热氧管后汽油就被抽入割炬并被雾化， 获得燃烧充分、 火焰集 中、 调节容易的理想切割火焰。 这种汽油-氧气切割机具的明显 优点是： 汽油罐不用打气， 因而使搡作者更方便； 杜绝了搡作过 程中滴油和喷油的现象， 开启氧气阀门割嘴就喷出雾化汽油和氧 气混合物。 关闭氧阀门后汽油随即截止， 大大提高了使用过程中 的安全性， 成本也下降了许多。
附图概述
图 1是本发明的汽油 -氧气割焊引射雾化器的结构示意图。 图 2、 图 3、 图 4是与本发明的引射雾化器配套使用的三种 不同结构形式的汽油 -氧气割炬示意图。
本发明的最佳实施方式
下面结合附图详细介绍本发明的内容：
图 1 中， 标号 1是引射雾化器本体， 2是汽油进口， 3是预 热氧进口， 4是预热氧细管， 5是汽油细管， 6是扩散管。 图 2 ~ 图 4是与引射雾化器配套使用的汽油-氧气割炬的结构示意图。 图 2 ~图 4中， 7是供油管， 8是供氧管， 9是汽油微调阀门， 10 是割炬主体， 11是切割氧管， 12是割嘴接头， 13是割嘴， 14是 预热氧阀门， 15是切割氧阀门， 16是预热氧管。
如图 1所示， 本发明的汽油 -氧气割焊引射雾化器由引射雾 化器本体 1、 扩散管 6、 预热氧细管 4和汽油细管 5组成。 扩散管 6和预热氧细管 4同轴位于本体 1的中心， 二者之间相通。 汽油 细管 5从本体一侧伸进本体后与扩散管 6相通。扩散管为锥形管， 雉形管的粗端与本体端面相重合， 细端与预热氧细管相接， 锥形 管的锥度为 αι = 5。~ 10。，锥形管的长度为预热氧细管长度的 2 ~ 5 倍， 即 1。= ( 2 ~ 5 ) 115 预热氧细管的长度 ^为 3 ~ 5亳米。 汽油 细管和扩散管相交之处与扩散管和预热氧管相接之处的距离 12 = 2 ~ 8亳米。
本发明的引射雾化器的工作原理是： 预热氧从进口 3进入细 管 4时氧气流被加速， 再进入扩散管时在汽油细管 5出口处产生 负压， 抽吸力随之不断增加， 将汽油吸入扩散管 6 中， 与从预热 氧细管进入的高速氧流相互作用， 汽油即被雾化， 并与氧气掺混 均匀后， 从扩散管喷出进入割嘴即可点燃。
本发明的一个实施例是： 预热氧细管直径为 0.8亳米， 长度 为 4亳米。 汽油细管直径 1.5亳米。 扩散管小端直径为 2亳米， 长度 12亳米， 锥度为 6°, 汽油细管在扩散管中位置为距预热氧细 管出口处 3亳米。
如图 2所示， 引射雾化器置于割嘴接头 12中， 供油管 7内 固定一根小于管内径 1亳米的实心金属棒，并将油通过接头 12上 的斜孔送入汽油细管中，预热氧管 16与引射雾化器的氧气进口相 通。 扩散管出口与割嘴 13头部的空腔相通。 本割炬实施例中预热 氧细管直径为 0.8亳来， 汽油细管直径 1.5亳米， 扩散管小端直径 2毫米， 锥度 6°, 长度 12亳米。
如图 3所示， 引射雾化器固定在预热氧管 16中， 氧气进口 与割炬本体中的预热氧管连接，供油管 7将汽油送至汽油细管处， 扩散管出口与割嘴 13上部的空腔相通。 本割炬实施例中， 预热氧 细管 4的直径为 0.8亳米， 长度为 3亳米， 汽油细管 5的直径为 1.5亳米， 扩散管 6直径为 2亳米， 长度为 12亳米。
如图 4所示， 是将本发明的引射雾化器用于半自动切割机的 分配器头， 引射雾化器置于预热氧管 16与割嘴接头连接处， 汽油 细管与供油管 7相通， 预热氧细管与预热氧管 16相通， 扩散管出 口与割嘴 13 头部空腔相通。 本实施例中， 预热氧细管 4 直径为 0.9亳米， 长度为 3亳米， 汽油细管 5直径为 1.5亳米， 扩散管锥 度 6°, 小端直径为 2毫米， 长度为 12亳米。
工业应用
本发明可用切割加工， 切割各种厚度的钢材。

Claims

1. 一种汽油-氧气割焊引射雾化器， 其特征在于该雾化器由 引射雾化器本体、 扩散管、 预热氧细管和汽油细管组成； 所迷的 扩散管和预热氧细管同轴位于本体中心， 二者之间相通， 汽油细 管从本体一侧伸进本体后与扩散管相通；所述的扩散管为锥形管， 锥形管的粗端与本体端面相重合， 细端与预热氧细管相接， 锥形 管的雉度为 5。~ 10。，锥形管的长度为预热氧细管长度的 2~ 5 倍， 即 1。= (2~5) 115 预热氧细管的长度 ^为 3~5亳米； 所述 的汽油细管和扩散管相交之处与扩散管和预热氧管相接之处的距 离 12 = 2~8亳米。
2. 如权利要求 1所述的引射雾化器， 其特征在于所迷的汽油 细管与扩散管垂线的夹角 α2 = 0 ~ 45。。
3. 如权利要求 1所述的引射雾化器， 其特征在于所迷的预热 氧细管直径 = 0.5 - 2.5毫米。
4- 如权利要求 1所述的引射雾化器， 其特征在于所迷的扩散 管小端直径 d2=1.5~3亳米。
5- 如权利要求 1所述的引射雾化器， 其特征在于所述的汽油 细管直径 d3 = 0.5~2亳米。
PCT/CN2001/001517 2000-11-13 2001-10-30 Atomiseur utilise lors de l'oxycoupage et le soudage au gaz et au combustible Ceased WO2002038322A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002220470A AU2002220470A1 (en) 2000-11-13 2001-10-30 Sucking atomizer for gasoline-oxygen cutting and welding
US10/416,374 US20050067505A1 (en) 2000-11-13 2001-10-30 Sucking atomizer for gasoline-oxygen cutting-welding

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN00261663U CN2449853Y (zh) 2000-11-13 2000-11-13 汽油－氧气割焊引射雾化器
CN00261663.7 2000-11-13

Publications (1)

Publication Number Publication Date
WO2002038322A1 true WO2002038322A1 (fr) 2002-05-16

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Country Link
US (1) US20050067505A1 (zh)
CN (1) CN2449853Y (zh)
AU (1) AU2002220470A1 (zh)
WO (1) WO2002038322A1 (zh)

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US8645666B2 (en) * 2006-12-28 2014-02-04 Intel Corporation Means to share translation lookaside buffer (TLB) entries between different contexts

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CN2254019Y (zh) * 1995-12-25 1997-05-14 梁光启 汽油氧气焊炬
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RU2055711C1 (ru) * 1994-09-30 1996-03-10 АО "Мидасот" Московский инновационный дом автогенного сварочного оборудования и технологий Резак для кислородной резки металла
CN2254019Y (zh) * 1995-12-25 1997-05-14 梁光启 汽油氧气焊炬
CN2300471Y (zh) * 1997-08-12 1998-12-16 梁光启 汽油－氧气割焊雾化器

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AU2002220470A1 (en) 2002-05-21
US20050067505A1 (en) 2005-03-31
CN2449853Y (zh) 2001-09-26

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