CN1715748A - Jet-suction type constant pressure gasoline cutting torch - Google Patents
Jet-suction type constant pressure gasoline cutting torch Download PDFInfo
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- CN1715748A CN1715748A CN 200510083085 CN200510083085A CN1715748A CN 1715748 A CN1715748 A CN 1715748A CN 200510083085 CN200510083085 CN 200510083085 CN 200510083085 A CN200510083085 A CN 200510083085A CN 1715748 A CN1715748 A CN 1715748A
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- jet
- cutting torch
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Abstract
The jet-suction normal pressure gasoline cutting torch is superior to available ones, which has the troubles of oil leakage, depositing carbon, instability, etc. It consists of cutting torch head, cutting oxygen pipe, oil-gas conveyer, and oil-gas mixer. The oil-gas mixer includes jet-suction generator and mixed flow vaporizer, which mixes oil-gas mixture fully by means of blocking oil-gas mixture to generate intense turbulent flow and eddy flow and has ends connected separately to the cutting torch head and the jet-suction generator. The mixed flow vaporizer is one spiral vaporizer including screw bolt and outer straight tube holding the screw bolt. The present invention is applied in metal processing, and in glass, electric light source and other industry.
Description
Technical field
The present invention relates to a kind of gasoline cutting torch, particularly relate to a kind of jet-suction type constant pressure gasoline cutting torch.
Background technology
Cutting torch is widely used in the metal material processing industry.It ejects HTHP flame in torch head nozzle place to metal material is concentrated by control fuel gas and combustion-supporting oxygen, makes metal through processes such as ablations, reaches the purpose to Metal Cutting or welding processing.
Gasoline-fueled gasoline cutting torch, no-pressure gasoline cutting torch particularly, in the oil-gas mixer of cutting torch itself with gasoline and oxygen mix, and become burning mixture, it is with respect to traditional acetylene cutting torch and oil gas cutting torch, have energy-saving and environmental protection, draw materials conveniently, not tempering of safety, cost savings 70% are with first-class characteristics, and are applied to the metal processing industry more and more widely.
The applicant had had also once manufactured and designed a kind of hand-held jet-suction type constant pressure gasoline cutting torch for this reason, and had applied for national patent (application number: 200420094934.8).But this technical scheme and present other no-pressure gasoline cutting torches of public use are in use found still to have some defectives: as oil dripping, breathe, cutoff, many carbon deposits, fluctuation of service etc.Its reason is that the mixing quality of gasoline and oxygen is poor, also has a certain distance with complete aerosolization to ensure fully stable burning.Even in oil gas mixing tube, increase the secondary atomizing, or on the torch head nozzle, increase the loop, make the oil droplet gasification with the thermal radiation that utilizes flame, its effect is not remarkable yet, and causes easily to cut and chew carbon deposit, still treats further perfect.Gasoline cutting torch must fully be gasificated as gas to gasoline in cutting torch just can reach sufficient combustion and stable, adapts to the needs of producing.So the inventor has solved problems of the prior art finally through long development test, has proposed new improvement project.
Summary of the invention
Purpose of the present invention promptly is to overcome the deficiencies in the prior art, provides a kind of burning more abundant, stable jet-suction type constant pressure gasoline cutting torch.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of jet-suction type constant pressure gasoline cutting torch, comprise torch head, cutting oxygen pipe, oil gas conveyer and oil-gas mixer, wherein, described oil-gas mixer comprises penetrating inhales generator and mixed flow vaporizer, thereby described mixed flow vaporizer can make by wherein the time gas mixture be subjected to forcing retardation producing fully mixing gasifying of high turbulences and eddy current at gas mixture, and the two ends of this mixed flow vaporizer are respectively with torch head with penetrate and inhale generator and link.
Further, described mixed flow vaporizer is the spiral vaporizer.
Further, described spiral vaporizer comprises the outer tube of screw rod and straight tube-like, and described screw rod is inserted in the described outer tube.
Compared with prior art, the present invention can obtain following useful technique effect:
Adopt as mixed flow vaporizers such as spiral vaporizers, can make the fuel-air mixture of inhaling after generator is once vaporized through penetrating, high velocity jet enters its inlet, gas mixture runs to the process of outlet from inlet, and stroke increases, and is blocked because of constantly washing away helicoid, its direction of motion constantly changes, fluid produces violent turbulent flow and eddy current, the drop that retains in the mixture thereby be reinforced fully and disperse heat absorption, and gasify with oxygen mix.The drop that retains in the mixture constantly reduces, and oil gas increases, and during to outlet, oxygen was gasified with mixing to greatest extent of gasoline, and became fuel gas completely.
And, because fuel-air mixture is able to abundant mixing gasifying, also thereby eliminated the oil dripping that exists in the prior art, breathed, defectives such as cutoff, many carbon deposits, fluctuation of service.
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the enlarged drawing of A portion among Fig. 1.
The specific embodiment
As shown in Figure 1 and Figure 2, the described jet-suction type constant pressure gasoline cutting torch of the embodiment of the invention comprises oil gas conveyer 1, oil-gas mixer 2, cutting oxygen pipe 4 and torch head 5.
Wherein, described oil-gas mixer 2 comprises penetrating inhales generator 2d and mixed flow vaporizer (i.e. spiral gasifier 3 shown in the figure), thereby described mixed flow vaporizer can make by wherein the time gas mixture be subjected to forcing retardation producing fully mixing gasifying of high turbulences and eddy current at gas mixture, and the two ends of this mixed flow vaporizer are respectively with torch head 5 with penetrate and inhale generator 2d and link.
Described oil gas conveyer 1 is linked by diagram by oxygen straight tube 1c and gasoline straight tube 1d, connected body 1a and gasoline control valve 1b, is used for to cutting torch gasoline feed and oxygen on demand.
Described oil-gas mixer 2 is provided with oxygen feed path 2a and gas supply passage 2b, and its upper end (top) links with the 1c and the 1d of oil gas conveyer 1 respectively, and the lower end leads to respectively to be penetrated the oxygen spray in-position and the gasoline vacuum of inhaling generator 2d and suck the position.
Cutting oxygen pipe 4 is a straight tube, and its right-hand member (top) connects (not shown) with the cutting oxygen delivery outlet of oil-gas mixer 2, and is subjected to cutting the adjusting of oxygen valve 2f, and left end (end) then links with torch head 5.
In when work, in oxygen straight tube 1c, feed bottle oxugen, and enter to penetrate through oxygen feed path 2a and inhale generator 2d, spray through the nozzle throttling, so near the fluid of its high velocity jet (flowing) (on every side) formation negative pressure.Gasoline liquid then is inhaled into by several micropores 2c of its negative pressuren zone radial equipartition, (after gasoline liquid carries out the flow size adjustment through gasoline control valve 1b, be delivered to penetrate through gasoline straight tube 1d and gas supply pipeline 2b and inhale generator 2d), become gas mixture, and can finish the once suction atomization process of gasoline and oxygen by the flow of preheat oxygen control valve 2e adjusting gas mixture.
Afterwards, gas mixture enters spiral vaporizer 3 and carries out second gasification, enters torch head 5 and become desirable fuel gas, after the external jacket pipe inspection of torch head 5 and going out becomes thermal-flame after lighting, is used for metalwork is cut and welds; Meanwhile, the cutting oxygen also be transported to torch head 5 through cutting oxygen pipe 4, spouting through inner spout, produce during to work piece cut carbon deposit blow brush.
That is, the present invention adopts spiral gasifier 3 to connect and penetrates and inhales generator 2d, through penetrating the gas mixture after inhaling generator 2d primary atomization, can follow the inlet that high velocity jet enters spiral gasifier 3 and carry out the secondary steam fogization.And this gas mixture runs to the process of outlet through helical duct being forced to from inlet, straight tube passage cutting torch with respect to prior art, can increase the stroke of gas mixture effectively, promptly increased the gasification reaction time, and because of constantly washing away the helicoid of screw rod 3a, and the mechanical movement direction of its fluid is constantly changed, fluid is subjected to the machinery retardance and produces violent turbulent flow and eddy current, gasoline and oxygen are fully mixed, drop that retains in the mixture or mist pearl, thereby be reinforced the dispersion heat absorption fully, and fully mix and steam fogization with oxygen.Promptly the drop that retains in the mixture in this process constantly reduces, and oil gas increases, and when exporting, the mixture of oxygen and gasoline is gasified to greatest extent, becomes burning mixture completely, sends in the torch head.Thereby improved oil dripping that the prior art gasoline cutting torch exists significantly, breathed, defectives such as cutoff, many carbon deposits, fluctuation of service.
Should be noted that at last: above embodiment only is used to the present invention is described and unrestricted technical scheme described in the invention.Therefore, although this specification has been done detailed explanation with reference to the above embodiments to the present invention,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention.For example, force retardance also can pass through as long as convection cell plays, can produce high turbulences and eddy current and be reinforced also i.e. gasification of dispersion, the built-in screw rod of spiral gasifier also can become other shapes.Use the technical program and also and not only be confined to use, also can be used as the sintering rifle as the glass-dead seal of glass industry or electric light source industry as cutting torch, more can be first-class as the cooking stove in the kitchen tools.And all do not break away from the technical scheme and the improvement thereof of design spirit and scope of the present invention, and it all should be encompassed in the scope of claim of the present invention.
Claims (6)
1. jet-suction type constant pressure gasoline cutting torch, comprise torch head, cutting oxygen pipe, oil gas conveyer and oil-gas mixer, it is characterized in that, described oil-gas mixer comprises penetrating inhales generator and mixed flow vaporizer, thereby described mixed flow vaporizer can make by wherein the time gas mixture be subjected to forcing retardation producing fully mixing gasifying of high turbulences and eddy current at gas mixture, and the two ends of this mixed flow vaporizer are respectively with torch head with penetrate and inhale generator and link.
2. jet-suction type constant pressure gasoline cutting torch as claimed in claim 1 is characterized in that, described mixed flow vaporizer is the spiral vaporizer.
3. jet-suction type constant pressure gasoline cutting torch as claimed in claim 2 is characterized in that described spiral vaporizer comprises the outer tube of screw rod and straight tube-like, and described screw rod is inserted in the described outer tube.
4. as any one described jet-suction type constant pressure gasoline cutting torch among the claim 1-3, it is characterized in that described oil gas conveyer comprises and joining oxygen straight tube of described oil-gas mixer and gasoline straight tube that described gasoline straight tube is provided with the gasoline control valve.
5. as any one described jet-suction type constant pressure gasoline cutting torch among the claim 1-3, it is characterized in that described oil-gas mixer is provided with the cutting oxygen valve.
6. as any one described jet-suction type constant pressure gasoline cutting torch among the claim 1-3, it is characterized in that described oil-gas mixer is provided with the preheat oxygen control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100830855A CN100460754C (en) | 2005-07-08 | 2005-07-08 | Jet-suction type constant pressure gasoline cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100830855A CN100460754C (en) | 2005-07-08 | 2005-07-08 | Jet-suction type constant pressure gasoline cutting torch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1715748A true CN1715748A (en) | 2006-01-04 |
| CN100460754C CN100460754C (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100830855A Expired - Fee Related CN100460754C (en) | 2005-07-08 | 2005-07-08 | Jet-suction type constant pressure gasoline cutting torch |
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| Country | Link |
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| CN (1) | CN100460754C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008141494A1 (en) * | 2007-05-18 | 2008-11-27 | Shisu Wu | Method and device for flame cutting and welding using liquid pentane as fuel |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62288407A (en) * | 1986-06-04 | 1987-12-15 | Souji Kobayashi | Fusing machine |
| CN2240103Y (en) * | 1995-10-16 | 1996-11-13 | 乌鲁木齐市天山机械厂 | Multi-functional combined cutting-and-welding blowpipe |
| CN2325952Y (en) * | 1997-12-31 | 1999-06-30 | 海伦市农机修造厂 | Mini-size general stubble-cutting machine |
| CN2339863Y (en) * | 1998-10-09 | 1999-09-22 | 上海捷锐气压设备有限公司 | Gas mixing apparatus for welding-cutting torch |
| CN2348252Y (en) * | 1998-10-31 | 1999-11-10 | 刘作印 | Gasoline cutting and welding gun |
| CN2366696Y (en) * | 1999-05-20 | 2000-03-01 | 刘作印 | Hand holding type torch for welding and cutting using gasoline as fuel |
| CN2399608Y (en) * | 1999-12-17 | 2000-10-04 | 刘作印 | Jet sucking gasoline welding-cutting torch |
| WO2003010467A1 (en) * | 2001-07-26 | 2003-02-06 | Shile Gao | The gasoline and oxygen auto-igniting method of a hand-held cutting and welding gasoline torch, and its cutting and welding torch |
| CN2549326Y (en) * | 2002-07-02 | 2003-05-07 | 上海文田机电科技有限公司 | Suction-jet gasoline welding and cutting machine |
| CN2586068Y (en) * | 2002-11-04 | 2003-11-12 | 上海捷锐气压设备有限公司 | Jet sucking cutting torch |
| CN2622562Y (en) * | 2003-05-31 | 2004-06-30 | 李学华 | Cutting torch |
| CN2804625Y (en) * | 2005-07-08 | 2006-08-09 | 吴世苏 | Injection sucking atmosphere gasoline torch |
-
2005
- 2005-07-08 CN CNB2005100830855A patent/CN100460754C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008141494A1 (en) * | 2007-05-18 | 2008-11-27 | Shisu Wu | Method and device for flame cutting and welding using liquid pentane as fuel |
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| Publication number | Publication date |
|---|---|
| CN100460754C (en) | 2009-02-11 |
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Granted publication date: 20090211 |