CN202947136U - Oxyhydrogen fuel gas cutting gun and cutting nozzle thereof - Google Patents
Oxyhydrogen fuel gas cutting gun and cutting nozzle thereof Download PDFInfo
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- CN202947136U CN202947136U CN 201220432965 CN201220432965U CN202947136U CN 202947136 U CN202947136 U CN 202947136U CN 201220432965 CN201220432965 CN 201220432965 CN 201220432965 U CN201220432965 U CN 201220432965U CN 202947136 U CN202947136 U CN 202947136U
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- cutting
- oxyhydrogen
- sealing cone
- cutting torch
- hydrogen
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Abstract
The utility model discloses a cutting nozzle of an oxyhydrogen fuel gas cutting gun. The cutting nozzle comprises a cutting nozzle body, the cutting nozzle body is provided with a high pressure oxygen sealing cone, a flameout gas sealing cone, an oxyhydrogen sealing cone, and a piercing oxyhydrogen sealing cone from the top end to the bottom end in sequence, and is further provided with a high pressure oxygen stream guidance hole which runs through the cutting nozzle body. The high pressure oxygen sealing cone, the flameout gas sealing cone, the oxyhydrogen sealing cone and the piercing oxyhydrogen sealing cone are located on the same cone. An annular groove is arranged between the high pressure oxygen sealing cone and the flameout gas sealing cone. A gas passageway is formed by the annular groove and a gun body of cutting gun. The cutting nozzle body is provided with a plurality of groups of stream guidance holes in the circumferential direction. Each group of stream guidance holes is provided with a flameout gas stream guidance hole, an oxyhydrogen stream guidance hole and a piercing oxyhydrogen stream guidance hole from the top to the bottom of the cutting nozzle in sequence. A cutting nozzle rectification cover is arranged below a pre-heating piercing oxyhydrogen sealing cone and above a cutting nozzle core rod in a sleeved mode, and an air injection passageway is formed between the cutting nozzle rectification cover and the cutting nozzle core rod. The problem that piercing due to pre-heating concentration is difficult is solved. The utility model further provides the oxyhydrogen fuel gas cutting gun.
Description
Technical field
The utility model relates to the cutting gun technical field, relates in particular to a kind of cutting torch of cutting gun of hydrogen and oxygen mixture, and the utility model also provides a kind of cutting gun with hydrogen and oxygen mixture of above-mentioned cutting torch.
Background technology
At present, along with the signature of each major country of the whole world to the 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 the clean fuel field.Particularly walked in global prostatitis in water electrolysis hydrogen production oxygen application facet China, begin 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 ℃) of oxyhydrogen burning, and the high-temperature region is more concentrated, and original cutting gun can cause the preheating area little in the process of preheating, and then causes difficulty when the 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; During steel plate cutting perforation preheating, owing to the molten bath frost boiling occurring, tempering phenomenon also easily occurs, cause the damage of pipeline.
In sum, the cutting gun that existing hydrogen and oxygen mixture acts as a fuel is concentrated and then is produced due to the high-temperature region in the process of work and cuts the hole hard problem, and how solving existing cutting gun, to cut the hole hard problem be present those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of cutting torch of cutting gun, with solve cutting gun in the perforate process because the perforate hard problem that causes is concentrated in preheating.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of cutting torch of hydrogen-oxygen gas cutting gun comprises:
the cutting torch body, it has successively to the bottom from the top and is positioned at hyperbaric oxygen sealing cone on same taper seat, the flame-out air seal conical surface, oxyhydrogen sealing cone and perforation oxyhydrogen sealing cone and the hyperbaric oxygen pod apertures that runs through this cutting torch body, be provided with between described hyperbaric oxygen sealing cone and the flame-out air seal conical surface and can form with the rifle body of cutting gun the cannelure of 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 the bottom, the oxyhydrogen pod apertures, perforation hydrogen-oxygen aerating pod apertures,
The cutting torch radome fairing is set under the pre-hot piercing oxyhydrogen sealing cone of described cutting torch body on the cutting nozzle core body rod, and and described cutting nozzle core body rod between form jet runner.
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, the 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, described cutting nozzle core body rod circumferentially be 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 utility model also provides a kind of hydrogen-oxygen gas cutting gun, comprise the rifle body of cutting gun and be arranged on 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 the formed a plurality of runners of rifle body of described cutting torch and described cutting gun, 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.
Preferably, in above-mentioned hydrogen-oxygen gas cutting gun, be provided with cutting torch between described cutting nozzle core body rod and described perforation oxyhydrogen sealing cone locating ring is installed, and be connected with the rifle body of described cutting gun by being connected to the cutting torch mounting nuts.
In the cutting torch of the hydrogen-oxygen gas cutting gun that the utility model embodiment provides, the 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 the hydrogen-oxygen gas amount, when preheating begins, perforation hydrogen-oxygen gas passage is opened and then instantaneous loss of pressure, the moment increase of hydrogen-oxygen gas amount, can make effective preheating area change, avoid because the phenomenon of the perforation difficulty that causes is concentrated in preheating.Simultaneously reduce preheating time preheating time owing to can increasing the hydrogen-oxygen gas amount moment in the process of preheating, making, can reduce the consumption of hydrogen-oxygen gas in whole warm, and then reach energy-saving and cost-reducing effect.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying 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 utility model embodiment;
The structural representation of the cutting torch radome fairing that Fig. 2 provides for the utility model embodiment;
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.
The specific embodiment
The utility model embodiment provides a kind of cutting torch of hydrogen-oxygen gas cutting gun, with solve existing cutting gun concentrate due to high-temperature area in the process of work so that produce cut the hole hard problem.
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1-7, the utility model embodiment provides a kind of cutting torch of hydrogen-oxygen gas cutting gun, comprises cutting torch body and cutting torch radome fairing 14, wherein:
the cutting torch body, it has successively to the bottom from the top and is positioned at hyperbaric oxygen sealing cone 2 on same taper seat, the flame-out air seal conical surface 4, oxyhydrogen sealing cone 6 and perforation oxyhydrogen sealing cone 8 and the hyperbaric oxygen pod apertures 1 that runs through this cutting torch body, be provided with between described hyperbaric oxygen sealing cone 2 and the flame-out air seal conical surface 4 and can form with the rifle body of cutting gun the cannelure of 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 the 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 hyperbaric oxygen sealing cone 2 on same taper seat, the flame-out air seal conical surface 4, seal between the rifle body of oxyhydrogen sealing cone 6 and perforation oxyhydrogen sealing cone 8 and cutting gun, 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 process that the inflow of hydrogen-oxygen gas and perforation hydrogen-oxygen gas is used for cutting makes the cutting torch aligning need the material of cutting to begin preheating and opens simultaneously perforation hydrogen-oxygen aerating pod apertures 7, making in large quantities, hydrogen-oxygen gas sprays from cutting torch, moment, a large amount of hydrogen-oxygen gas flows strengthened the purpose of flame, make whole preheating area strengthen and avoided in the prior art because the hard problem of the perforation that causes is too concentrated in preheating, opening high pressure oxygen pod apertures 1 begins perforation after preheating is completed, close after the hole penetrates and be connected to perforation hydrogen-oxygen aerating pod apertures 7, the normal cutting of beginning.Finish to close hyperbaric oxygen pod apertures 1 when cutting, stop working at the oxyhydrogen flame of opening the hole 3 blowing-out burnings of flame-out gas flow guiding, close at last 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, generally by dwindling the cross-sectional area realization of hyperbaric oxygen pod apertures 1, concrete can be converging transition (cross-sectional area reduces gradually) to above-mentioned accelerating sections 12, also can be shoulder hole (as shown in Figure 1).
For the structure of the cutting torch of optimizing 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 manufacturing of cutting torch.
In order to guarantee the axially evenly ejection at the 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 circumferentially be 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 that provides based on above-described embodiment, the utility model embodiment also provides a kind of hydrogen-oxygen gas cutting gun, comprise the rifle body of cutting gun and be arranged on 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 the formed a plurality of runners of rifle body of described cutting torch and described cutting gun, 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 utility model 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, be provided with cutting torch between described cutting nozzle core body rod 11 and described perforation oxyhydrogen sealing cone 8 locating ring 9 is installed, and be connected with the rifle body of described cutting gun by being connected to the cutting torch mounting nuts.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model 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 (8)
1. the cutting torch of a hydrogen-oxygen gas cutting gun, is characterized in that, comprising:
the cutting torch body, it has successively to the bottom from the top and is positioned at hyperbaric oxygen sealing cone (2) on same taper seat, the flame-out air seal conical surface (4), oxyhydrogen sealing cone (6) and perforation oxyhydrogen sealing cone (8) and the hyperbaric oxygen pod apertures (1) that runs through this cutting torch body, be provided with between described hyperbaric oxygen sealing cone (2) and the flame-out air seal conical surface (4) and can form with the rifle body of cutting gun the cannelure of 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 the bottom, oxyhydrogen pod apertures (5), perforation 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 on cutting nozzle core body rod (11), and and described cutting nozzle core body rod (11) between form jet runner.
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, is characterized in that, the described flame-out gas flow guiding hole (3) in every group of pod apertures, oxyhydrogen pod apertures (5), perforation hydrogen-oxygen aerating pod apertures (7) come together in a general export end.
5. the cutting torch of hydrogen-oxygen gas cutting gun according to claim 4, it is characterized in that, described cutting nozzle core body rod (11) circumferentially be 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.
6. 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 °.
7. hydrogen-oxygen gas cutting gun, comprise the rifle body of cutting gun and be arranged on cutting torch on the rifle body of described cutting gun, it is characterized in that, described cutting torch is the described cutting torch of any one in the claims 1-6, 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 the formed a plurality of runners of rifle body of described cutting torch and described cutting gun, 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.
8. hydrogen-oxygen gas cutting gun according to claim 6, it is characterized in that, be provided with cutting torch between described cutting nozzle core body rod (11) and described perforation oxyhydrogen sealing cone (8) locating ring (9) is installed, and be connected with the rifle body of described cutting gun by being connected to the cutting torch mounting nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432965 CN202947136U (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen fuel gas cutting gun and cutting nozzle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220432965 CN202947136U (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen fuel gas cutting gun and cutting nozzle thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202947136U true CN202947136U (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220432965 Expired - Fee Related CN202947136U (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen fuel gas cutting gun and cutting nozzle thereof |
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| Country | Link |
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| CN (1) | CN202947136U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809157A (en) * | 2012-08-28 | 2012-12-05 | 北京中气华辰新能源技术开发有限公司 | Oxyhydrogen gas cutting gun and cutting nozzle thereof |
| CN103968387A (en) * | 2014-04-28 | 2014-08-06 | 中国科学技术大学 | Fuel gas cutting torch with catalytic combustion |
| CN110566952A (en) * | 2019-09-30 | 2019-12-13 | 杭州富阳林长发科技有限公司 | Oblique eave step type anti-extinguishing combustor for stove |
-
2012
- 2012-08-28 CN CN 201220432965 patent/CN202947136U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809157A (en) * | 2012-08-28 | 2012-12-05 | 北京中气华辰新能源技术开发有限公司 | Oxyhydrogen gas cutting gun and cutting nozzle thereof |
| CN102809157B (en) * | 2012-08-28 | 2014-11-26 | 北京中气华辰新能源技术开发有限公司 | Oxyhydrogen gas cutting gun and cutting nozzle thereof |
| CN103968387A (en) * | 2014-04-28 | 2014-08-06 | 中国科学技术大学 | Fuel gas cutting torch with catalytic combustion |
| CN103968387B (en) * | 2014-04-28 | 2016-04-13 | 中国科学技术大学 | A kind of gas cutting torch with catalytic combustion |
| CN110566952A (en) * | 2019-09-30 | 2019-12-13 | 杭州富阳林长发科技有限公司 | Oblique eave step type anti-extinguishing combustor for stove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20140828 |
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| EXPY | Termination of patent right or utility model |