CN102809157B - Oxyhydrogen gas cutting gun and cutting nozzle thereof - Google Patents
Oxyhydrogen gas cutting gun and cutting nozzle thereof Download PDFInfo
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- CN102809157B CN102809157B CN201210311614.2A CN201210311614A CN102809157B CN 102809157 B CN102809157 B CN 102809157B CN 201210311614 A CN201210311614 A CN 201210311614A CN 102809157 B CN102809157 B CN 102809157B
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- oxyhydrogen
- cutting torch
- pod apertures
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Abstract
The invention discloses a cutting nozzle of an oxyhydrogen gas cutting gun. The cutting nozzle comprises a cutting nozzle body and a cutting nozzle rectifying cover, wherein the cutting nozzle body is provided with a high-pressure oxygen sealing conical surface, a flameout gas sealing conical surface, an oxyhydrogen gas sealing conical surface and a perforated oxyhydrogen gas sealing conical surface which are positioned on the same conical surface, and a high-pressure oxygen diversion hole penetrating through the cutting nozzle body from a top end to a bottom end in sequence; an annular groove which can be used for forming a gas flow channel together with a gun body of the cutting gun is formed between the high-pressure oxygen sealing conical surface and the flameout gas sealing conical surface; multiple groups of diversion holes are formed in the circumferential direction of the cutting nozzle body; each group of diversion holes comprises a flameout gas diversion hole, an oxyhydrogen gas diversion hole and a perforated oxyhydrogen gas filling diversion hole which are formed from the top to the bottom of the cutting nozzle in sequence; the cutting nozzle rectifying cover is sleeved below the preheated perforated oxyhydrogen gas sealing conical surface of the cutting nozzle body and on a cutting nozzle core body rod; and a gas spray flow channel is formed between the cutting nozzle rectifying cover and the cutting nozzle core body rod. Due to the adoption of the cutting nozzle, the problem of difficulty in perforating caused by preheating concentration is solved. The invention further provides the oxyhydrogen gas cutting gun.
Description
Technical field
The present invention relates to cutting gun technical field, relate in particular to a kind of cutting torch of hydrogen-oxygen gas cutting gun, the present invention also provides a kind of hydrogen-oxygen gas cutting gun with above-mentioned cutting torch.
Background technology
At present, along with the signature of each major country of the whole world to greenhouse gas emission agreement, clean energy resource is all being greatly developed in recent years in the whole world.China is also in a planned way implementing energy-saving and emission-reduction, and has strengthened the scientific research investment to clean fuel field.Particularly walk in global prostatitis in water electrolysis hydrogen production oxygen application aspect China, start to be applied on a large scale industry cutting iron and steel and the contour hot industry of oxygen welding copper, replaced the fossil fuel of the high pollutions such as acetylene, benzene alkane, coal gas, natural gas, heavy oil, maximum discharge.
Due to the temperature high (3200 DEG C) of oxyhydrogen burning, and high-temperature region is more concentrated, and original cutting gun can cause preheating area little in the process of preheating, and then causes difficulty in the time of cutting perforation, is that the alternative industrial fuel of oxyhydrogen causes adverse effect.In addition, due to oxyhydrogen burning velocity fast (2920mm/sec), therefore original cutting gun all very easily causes the generation of tempering at Guan Huoshi, and the high pressure flue gas that tempering produces easily causes the damage of pipeline; When steel plate cutting perforation preheating, owing to occurring molten bath frost boiling, also easily there is tempering phenomenon, cause the damage of pipeline.
In sum, existing hydrogen and oxygen mixture concentrates and then produces the problem of cut hole difficulty in the process of work due to high-temperature region as the cutting gun of fuel, the problem that how to solve existing cutting gun cut hole difficulty is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of cutting torch of hydrogen-oxygen gas cutting gun, in perforate process, concentrate the problem of the perforate difficulty causing to solve cutting gun due to preheating.
In order to achieve the above object, the invention provides following technical scheme:
A cutting torch for hydrogen-oxygen gas cutting gun, comprising:
Cutting torch body, it has the hyperbaric oxygen sealing cone being positioned on same taper seat successively to bottom from top, the flame-out air seal conical surface, oxyhydrogen sealing cone and perforation oxyhydrogen sealing cone and run through the hyperbaric oxygen pod apertures of this cutting torch body, between described hyperbaric oxygen sealing cone and the flame-out air seal conical surface, be provided with the cannelure that can form with the rifle body of cutting gun gas flow, this cutting torch body circumferentially has many group pod apertures, every group of pod apertures comprises and is disposed with flame-out gas flow guiding hole from the top of cutting torch to bottom, oxyhydrogen pod apertures, perforation hydrogen-oxygen aerating pod apertures,
Cutting torch radome fairing, is set under the pre-hot piercing oxyhydrogen sealing cone of described cutting torch body on cutting nozzle core body rod, and and described cutting nozzle core body rod between form jet runner;
Described flame-out gas flow guiding hole in every group of pod apertures, oxyhydrogen pod apertures, perforation hydrogen-oxygen aerating pod apertures come together in a general export end.
Preferably, in the cutting torch of above-mentioned hydrogen-oxygen gas cutting gun, the cutting nozzle core body rod position of described cutting torch body has accelerating sections.
Preferably, in the cutting torch of above-mentioned hydrogen-oxygen gas cutting gun, described hyperbaric oxygen pod apertures is shoulder hole.
Preferably, in the cutting torch of above-mentioned hydrogen-oxygen gas cutting gun, described cutting nozzle core body rod be circumferentially distributed with many oxyhydrogen splitter boxs that extend along its axis direction, each described oxyhydrogen splitter box is relative one by one with described general export end.
Preferably, in the cutting torch of above-mentioned hydrogen-oxygen gas cutting gun, the conicity of each sealing surface is 29.8 °～45.2 °.
The present invention also provides a kind of hydrogen-oxygen gas cutting gun, comprise the rifle body of cutting gun and be arranged on the cutting torch on the rifle body of described cutting gun, the inwall of the cutting torch installation portion of the rifle body of described cutting gun and the hyperbaric oxygen sealing cone of cutting torch, the flame-out air seal conical surface, oxyhydrogen sealing cone and pre-hot piercing oxyhydrogen sealing cone are sealed and matched to form multiple runners that the rifle body of described cutting torch and described cutting gun forms, and each runner is connected with hyperbaric oxygen pod apertures, flame-out gas flow guiding hole, oxyhydrogen pod apertures, the hydrogen-oxygen aerating pod apertures of boring a hole respectively.
In the cutting torch of the hydrogen-oxygen gas cutting gun that the embodiment of the present invention provides, cutting torch body is set up perforation oxyhydrogen sealing cone and perforation hydrogen-oxygen aerating pod apertures on the basis of prior art, in the process of boring a hole, the combustion gas that utilizes perforation hydrogen-oxygen aerating pod apertures to discharge has strengthened hydrogen-oxygen gas amount, the hydrogen-oxygen gas passage of boring a hole when preheating starts is opened and then instantaneous loss of pressure, hydrogen-oxygen gas amount moment increases, can make effective preheating area change, avoid concentrating due to preheating the phenomenon of the perforation difficulty causing.Owing to can increase hydrogen-oxygen gas amount moment in the process of preheating, make to reduce preheating time preheating time simultaneously, can reduce the consumption of hydrogen-oxygen gas in whole warm, and then reach energy-saving and cost-reducing effect.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The sectional side elevation of the cutting torch that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the cutting torch radome fairing that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is that the B of Fig. 1 is to partial view;
Fig. 4 is that the C of Fig. 1 is to partial view;
Fig. 5 is that the D of Fig. 1 is to view;
Fig. 6 is another sectional side elevation of the cutting nozzle core body rod in Fig. 1;
Fig. 7 is the upward view of Fig. 6.
In upper Fig. 1-Fig. 7
Hyperbaric oxygen pod apertures 1, hyperbaric oxygen sealing cone 2, flame-out gas flow guiding hole 3, the flame-out air seal conical surface 4, oxyhydrogen pod apertures 5, oxyhydrogen sealing cone 6, perforation oxyhydrogen aerating pod apertures 7, perforation oxyhydrogen sealing cone 8, cutting torch are installed locating ring 9, connecting thread 10, cutting nozzle core body rod 11, accelerating sections 12, oxyhydrogen splitter box 13, cutting torch radome fairing 14.
Detailed description of the invention
The embodiment of the present invention provides a kind of cutting torch of hydrogen-oxygen gas cutting gun, to solve existing cutting gun problem due to the cut hole difficulty that high-temperature area is concentrated and then produce in the process of work.
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1-7, the embodiment of the present invention provides a kind of cutting torch of hydrogen-oxygen gas cutting gun, comprises cutting torch body and cutting torch radome fairing 14, wherein:
Cutting torch body, it has successively to bottom and is positioned at hyperbaric oxygen sealing cone 2 on same taper seat from top, the flame-out air seal conical surface 4, oxyhydrogen sealing cone 6 and perforation oxyhydrogen sealing cone 8 and run through the hyperbaric oxygen pod apertures 1 of this cutting torch body, between described hyperbaric oxygen sealing cone 2 and the flame-out air seal conical surface 4, be provided with the cannelure that can form with the rifle body of cutting gun gas flow, this cutting torch body circumferentially has many group pod apertures, every group of pod apertures comprises and is disposed with flame-out gas flow guiding hole 3 from the top of cutting torch to bottom, oxyhydrogen pod apertures 5, perforation hydrogen-oxygen aerating pod apertures 7,
Cutting torch radome fairing 14, be set under the pre-hot piercing oxyhydrogen sealing cone 8 of described cutting torch body on cutting nozzle core body rod 11, and and forming jet runner between described cutting nozzle core body rod 11, in general situation, cutting nozzle core body rod 11 is fixedly linked by connecting thread 10 and cutting torch body.
The cutting torch of above-mentioned cutting gun work process in by being positioned at the hyperbaric oxygen sealing cone 2 on same taper seat, the flame-out air seal conical surface 4, between oxyhydrogen sealing cone 6 and perforation oxyhydrogen sealing cone 8 and the rifle body of cutting gun, seal, and the cannelure on the cannelure between sealing cone and cutting gun rifle body forms gas flow, to realize respectively hyperbaric oxygen, Low Pressure Oxygen, the inflow of hydrogen-oxygen gas and perforation hydrogen-oxygen gas makes cutting torch aligning need the material of cutting to start preheating for the process of cutting and opens perforation hydrogen-oxygen aerating pod apertures 7 simultaneously, hydrogen-oxygen gas is in large quantities sprayed from cutting torch, moment, a large amount of hydrogen-oxygen gas flows strengthened the object of flame, make whole preheating area increasing avoid too concentrating due to preheating in prior art the difficult problem of the perforation causing, after preheating completes, open hyperbaric oxygen pod apertures 1 and start perforation, after hole penetrates, close and be connected to perforation hydrogen-oxygen aerating pod apertures 7, start normal cutting.In the time that cutting finishes, close hyperbaric oxygen pod apertures 1, stop working at the oxyhydrogen flame of opening the 3 blowing-out burnings of flame-out gas flow guiding hole, finally close again and be connected to oxyhydrogen pod apertures 5, whole cutting process finishes.
Concrete, in the cutting torch of above-mentioned hydrogen-oxygen gas cutting gun, cutting nozzle core body rod 11 positions of described cutting torch body have accelerating sections 12, have realized the high speed of hyperbaric oxygen, a large amount of ejections.Concrete, above-mentioned accelerating sections 12 is generally realized by the cross-sectional area that dwindles hyperbaric oxygen pod apertures 1, and concrete can, for converging transition (cross-sectional area reduces gradually), can be also shoulder hole (as shown in Figure 1).
In order to optimize the structure of cutting torch of above-mentioned hydrogen-oxygen gas cutting gun, the described flame-out gas flow guiding hole 3 in above-mentioned every group of pod apertures, oxyhydrogen pod apertures 5, perforation hydrogen-oxygen aerating pod apertures 7 come together in a general export end.This structure has facilitated the manufacture of cutting torch.
In order to ensure the axially evenly ejection at rifle body of air-flow in the course of the work of hydrogen-oxygen gas cutting gun, the described cutting nozzle core body rod 11 of above-mentioned cutting torch be circumferentially distributed with many oxyhydrogen splitter boxs 13 that extend along its axis direction, each described oxyhydrogen splitter box 13 is relative one by one with described general export end.
Preferably, the cutting torch of above-mentioned hydrogen-oxygen gas cutting gun, each sealing surface is positioned on same taper seat, has improved sealing effectiveness, and specifically the conicity of each sealing surface can be 29.8 °～45.2 °.
The cutting torch providing based on above-described embodiment, the embodiment of the present invention also provides a kind of hydrogen-oxygen gas cutting gun, comprise the rifle body of cutting gun and be arranged on the cutting torch on the rifle body of described cutting gun, the inwall of the cutting torch installation portion of the rifle body of described cutting gun and the hyperbaric oxygen sealing cone 2 of cutting torch, the flame-out air seal conical surface 4, oxyhydrogen sealing cone 6 and pre-hot piercing oxyhydrogen sealing cone 8 are sealed and matched to form multiple runners that the rifle body of described cutting torch and described cutting gun forms, and each runner respectively with hyperbaric oxygen pod apertures 1, flame-out gas flow guiding hole 3, oxyhydrogen pod apertures 5, perforation hydrogen-oxygen aerating pod apertures 7 is connected.
Because the improvement of hydrogen-oxygen gas cutting gun of the present invention is brought by cutting torch, concrete beneficial effect please refer to the description of above-mentioned cutting torch part, do not repeat them here.
Concrete, in above-mentioned hydrogen-oxygen gas cutting gun, between described cutting nozzle core body rod 11 and described perforation oxyhydrogen sealing cone 8, be provided with cutting torch locating ring 9 is installed, and be connected with the rifle body of described cutting gun by being connected on cutting torch mounting nuts.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a cutting torch for hydrogen-oxygen gas cutting gun, is characterized in that, comprising:
Cutting torch body, it has the hyperbaric oxygen sealing cone (2) being positioned on same taper seat successively to bottom from top, the flame-out air seal conical surface (4), oxyhydrogen sealing cone (6) and pre-hot piercing oxyhydrogen sealing cone (8) and run through the hyperbaric oxygen pod apertures (1) of this cutting torch body, between each sealing cone, be provided with the cannelure that can form with the rifle body of cutting gun gas flow, this cutting torch body circumferentially has many group pod apertures, every group of pod apertures comprises and is disposed with flame-out gas flow guiding hole (3) from the top of cutting torch to bottom, oxyhydrogen pod apertures (5), pre-hot piercing hydrogen-oxygen aerating pod apertures (7),
Cutting torch radome fairing (14), is set under the pre-hot piercing oxyhydrogen sealing cone (8) of described cutting torch body cutting nozzle core body rod (11) upper, and and described cutting nozzle core body rod (11) between form jet runner;
Described flame-out gas flow guiding hole (3) in every group of pod apertures, oxyhydrogen pod apertures (5), pre-hot piercing hydrogen-oxygen aerating pod apertures (7) come together in a general export end.
2. the cutting torch of hydrogen-oxygen gas cutting gun according to claim 1, is characterized in that, cutting nozzle core body rod (11) position of described cutting torch body has accelerating sections (12).
3. the cutting torch of hydrogen-oxygen gas cutting gun according to claim 2, is characterized in that, described hyperbaric oxygen pod apertures (1) is shoulder hole.
4. the cutting torch of hydrogen-oxygen gas cutting gun according to claim 1, it is characterized in that, described cutting nozzle core body rod (11) be circumferentially distributed with many oxyhydrogen splitter boxs (13) that extend along its axis direction, each described oxyhydrogen splitter box (13) is relative one by one with described general export end.
5. the cutting torch of hydrogen-oxygen gas cutting gun according to claim 1, is characterized in that, the conicity of each sealing surface is 29.8 °～45.2 °.
6. a hydrogen-oxygen gas cutting gun, comprise the rifle body of cutting gun and be arranged on the cutting torch on the rifle body of described cutting gun, it is characterized in that, described cutting torch is the cutting torch described in any one in claim 1-5, the hyperbaric oxygen sealing cone (2) of the inwall of the cutting torch installation portion of the rifle body of described cutting gun and cutting torch, the flame-out air seal conical surface (4), oxyhydrogen sealing cone (6) and pre-hot piercing oxyhydrogen sealing cone (8) are sealed and matched to form multiple runners that the rifle body of described cutting torch and described cutting gun forms, and each runner respectively with hyperbaric oxygen pod apertures (1), flame-out gas flow guiding hole (3), oxyhydrogen pod apertures (5), pre-hot piercing hydrogen-oxygen aerating pod apertures (7) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210311614.2A CN102809157B (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen gas cutting gun and cutting nozzle thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210311614.2A CN102809157B (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen gas cutting gun and cutting nozzle thereof |
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| Publication Number | Publication Date |
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| CN102809157A CN102809157A (en) | 2012-12-05 |
| CN102809157B true CN102809157B (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210311614.2A Active CN102809157B (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen gas cutting gun and cutting nozzle thereof |
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| CN (1) | CN102809157B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948496A (en) * | 1975-01-16 | 1976-04-06 | Airco, Inc. | Oxygen-fuel cutting torch |
| US4431167A (en) * | 1982-07-16 | 1984-02-14 | The Boc Group Plc | Adaptor |
| CN2913862Y (en) * | 2006-06-23 | 2007-06-20 | 安士英 | Oxyhydrogen flame cutting mouth |
| CN202947136U (en) * | 2012-08-28 | 2013-05-22 | 北京中气华辰新能源技术开发有限公司 | Oxyhydrogen fuel gas cutting gun and cutting nozzle thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3435150B2 (en) * | 2001-05-31 | 2003-08-11 | 日本スピング株式会社 | High pressure high speed cutting crater |
-
2012
- 2012-08-28 CN CN201210311614.2A patent/CN102809157B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3948496A (en) * | 1975-01-16 | 1976-04-06 | Airco, Inc. | Oxygen-fuel cutting torch |
| US4431167A (en) * | 1982-07-16 | 1984-02-14 | The Boc Group Plc | Adaptor |
| CN2913862Y (en) * | 2006-06-23 | 2007-06-20 | 安士英 | Oxyhydrogen flame cutting mouth |
| CN202947136U (en) * | 2012-08-28 | 2013-05-22 | 北京中气华辰新能源技术开发有限公司 | Oxyhydrogen fuel gas cutting gun and cutting nozzle thereof |
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| Publication number | Publication date |
|---|---|
| CN102809157A (en) | 2012-12-05 |
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Effective date of registration: 20151020 Address after: 410000, building 1904, building L3, Dongfang new town (East Gate), Furong farm, Furong district, Hunan, Changsha Patentee after: CHANGSHA KINGKAR ENVIRONMENT PROTECTION TECHNOLOGY CO., LTD. Address before: 100210, building 3, building 3, No. 7851, West well road, Badachu hi tech park, Beijing, Shijingshan District Patentee before: Beijing Zhongqi Huachen New Energy Technology Development Co.,Ltd. |