CN102380686B - Oxyhydrogen cutting machine and cutting gun thereof - Google Patents
Oxyhydrogen cutting machine and cutting gun thereof Download PDFInfo
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- CN102380686B CN102380686B CN 201110295131 CN201110295131A CN102380686B CN 102380686 B CN102380686 B CN 102380686B CN 201110295131 CN201110295131 CN 201110295131 CN 201110295131 A CN201110295131 A CN 201110295131A CN 102380686 B CN102380686 B CN 102380686B
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- rifle head
- oxygen nozzle
- cutting
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Abstract
The embodiment of the invention discloses a cutting gun. The cutting gun comprises a barrel-shaped structural shell, a gun head, a gas nozzle, an oxygen nozzle, and an end cover, wherein the gun head is arranged at one end of the shell; the gun head is provided with a shrinking-expanding hole and a gas channel; the gas nozzle is sleeved on the gun head; a conical hole is formed in the gas nozzle; one end of the oxygen nozzle is connected with the gun head and the end face at the other end of the oxygen nozzle is matched with the conical hole to form a gap; and an expanding-shrinking hole communicated with the shrinking-expanding hole is formed in middle of the oxygen nozzle; and the end cover is arranged at the other end of the shell. When the cutting gun of the embodiment of the invention is applied to an oxyhydrogen cutting machine, compared with the cutting gun of the oxyhydrogen cutting machine in the prior art, a pre-heating oxygen pipeline is saved; a cutting mouth consists of the oxygen nozzle with a slag blocking function and the gas nozzle; and the centre of the gun head is provided with the shrinking-expanding hole which forms an oxygen jet device with the expanding-shrinking hole in the oxygen nozzle so as to improve the flow speed of cutting oxygen and reduce a cutting gap. The invention also discloses the oxyhydrogen cutting machine using the cutting gun.
Description
Technical field
The present invention relates to a kind of cutter sweep field, more particularly, relate to a kind of oxyhydrogen cutting machine and burning torch thereof.
Background technology
Oxyhydrogen cutting machine (oxy-hydrogen cutting machine) is that the hydrogen and oxygen mixture that utilizes water electrolysis to produce is done a kind of gas generating equipment that fuel substitutes the cutting gas such as acetylene, propane, carbon three gas, liquefied gas.
Existing oxyhydrogen cutting machine generally is comprised of electrolysis power, electrolytic cell, the circulatory system, cooling system, water vapor separation system, washing system, anti-backfire system, control system, burning torch etc.
Electrolysis power becomes the 60V direct current with alternating current (380V or 220V) rectification step-down, be applied to electrolytic cell two ends, electrolytic cell electrolyte inside (25% potassium hydroxide solution or 30% sodium hydroxide solution) is subjected to the direct current effect, electrochemical reaction occurs, produce hydrogen at negative electrode, produce oxygen at anode.The oxyhydrogen of electrolytic cell electrolyte inside and generation is subjected to the magnetic force circulating pump to drive forced flow to reduce temperature to cooling system, then through water vapor separation system with electrolyte and hydrogen, oxygen separation, cooled electrolyte is again drawn back electrolytic cell by magnetic drive pump and is carried out electrolysis.Oxyhydrogen advances to enter again washing system and washes away the micro-alkali lye of carrying secretly, and then cool drying, and system exports the hydrogen-oxygen burning torch to through anti-backfire, and igniting can be used.
For example, application number is 200720063048.2 Chinese patent, discloses a kind of water electrolytic hydrogen-oxygen welding cutting machine.Above-mentioned oxyhydrogen cutting machine hydrogen separates with oxygen, in use, the hydrogen preheating flame sprays oxygen cutting by the cutting torch centre bore by the rear mixed combustion of cutting torch aperture ejection during cutting, because flame is dispersed, the center oxygen jet is not concentrated, speed is not high, waste energy, slot is larger, cuts slag and very easily stops up cutting torch, change inconvenience, have a strong impact on the physical and mental health of fiery cut.
Summary of the invention
In view of this, the invention provides the first purpose and be to provide a kind of burning torch, to reduce the burning torch slot.
For achieving the above object, the invention provides following technical scheme:
A kind of burning torch comprises:
The barrel-like structure shell;
Be arranged on the rifle head of described shell one end, described rifle head has shrinkage expansion hole and blast tube;
Be set in the combustion gas mouth on described rifle head, have bellmouth in described combustion gas mouth;
The one end is connected with described rifle head, and the end face of the other end coordinates with described bellmouth the oxygen nozzle that forms the gap, and described oxygen nozzle middle part has the expansion shrinkage hole that is connected with described shrinkage expansion hole; With
Be arranged on the end cap of the described shell other end.
Wherein, be provided with the first installing hole that matches with described oxygen nozzle on described rifle head, and the second installing hole that matches with the distribution pipeline.
Wherein, also be provided with annular groove on described rifle head, described annular groove matches with the inwall of described shell and forms annular water-cooling channel.
Wherein, be provided with the pushing off the slag wing in the middle part of described oxygen nozzle, the described pushing off the slag wing extends along the radial direction of described oxygen nozzle.
Wherein, described pushing off the slag wing regular hexagon.
Wherein, described oxygen nozzle is arranged on described rifle head by screw thread.
Another object of the present invention provides a kind of oxyhydrogen cutting machine that uses above-mentioned burning torch, the slot when reducing to cut.
Burning torch in the embodiment of the present invention comprises the barrel-like structure shell; Be arranged on the rifle head of described shell one end, described rifle head has shrinkage expansion hole and blast tube; Be set in the combustion gas mouth on described rifle head, have bellmouth in described combustion gas mouth; The one end is connected with described rifle head, and the end face of the other end coordinates with described bellmouth the oxygen nozzle that forms the gap, and described oxygen nozzle middle part has the expansion shrinkage hole that is connected with described shrinkage expansion hole; With the end cap that is arranged on the described shell other end.Burning torch in the embodiment of the present invention is in being applied to oxyhydrogen cutting machine the time, compare with the burning torch in the oxyhydrogen cutting machine of prior art, save the preheat oxygen pipeline, cutting torch is divided into oxygen nozzle and combustion gas mouth composition, and rifle head center is with contraction expanding hole, consist of the oxygen jet device with expanding shrinkage hole in oxygen nozzle and cut oxygen flow speed to improve, thereby reduce slot.Oxygen nozzle and combustion gas mouth all form with diminishing fuel gas hole with taper fit, form to shrink flame and make in use flame concentrate, and further reduce slot, reduce oxygen and gas consumption, and be more energy-conservation.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present invention 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 only some embodiments of the present invention, 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 burning torch structural representation that Fig. 1 provides for the embodiment of the present invention;
The rifle header structure schematic diagram that Fig. 2 provides for the embodiment of the present invention;
The oxygen nozzle structural representation that Fig. 3 provides for the embodiment of the present invention;
The combustion gas mouth structure schematic diagram that Fig. 4 provides for the embodiment of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The invention provides the first purpose and be to provide a kind of burning torch, to reduce the burning torch slot.
As shown in Figure 1, this burning torch comprises shell 1, rifle head 3, combustion gas mouth 5, oxygen nozzle 4 and end cap 2, and wherein, this shell 1 is barrel-like structure, and an end of shell 1 is provided with rifle head 3, and the other end is provided with end cap 2; Rifle head 3 middle parts have shrinkage expansion hole 31 and blast tube 36; Combustion gas mouth 5 is set on rifle head 3, and its middle part has bellmouth; Oxygen nozzle 4 one ends are connected with rifle head 3, and the end face of the other end coordinates with bellmouth and forms gap A, can concentrate spoutingly by this gap A fuel gas, and this combustion gas mouth 5 middle parts are provided with the expansion shrinkage hole, and this expansion shrinkage hole is connected with shrinkage expansion hole 31.
Burning torch in the embodiment of the present invention is in being applied to oxyhydrogen cutting machine the time, compare with the burning torch in the oxyhydrogen cutting machine of prior art, save the preheat oxygen pipeline, cutting torch is divided into oxygen nozzle 4 and combustion gas mouth 5 compositions, and rifle head 3 centers are with contraction expanding hole, consist of the oxygen jet device with expanding shrinkage hole in oxygen nozzle 4 and cut oxygen flow speed to improve, thereby reduce slot.Oxygen nozzle 4 all forms with diminishing fuel gas hole with taper fit with combustion gas mouth 5, forms to shrink flame and make in use flame concentrate, and further reduces slot, reduces oxygen and gas consumption, and is more energy-conservation.
Rifle head 3 as shown in Figure 2 is provided with the first installing hole 32 that matches with oxygen nozzle 4 on this rifle head 3, and the second installing hole 35 that matches with distribution pipeline 6.Oxygen nozzle 4 and/or distribution pipeline are separately positioned on above-mentioned installing hole by screw thread or welding procedure.In more preferred scheme, the end that oxygen nozzle 4 is not provided with the conical surface inserts in the first installing hole 32, and carries out radial location by the sleeve that is set on oxygen nozzle 4, in case block valve 4 rocks; Then distribution pipeline 6 further is fixed on rifle head 3 through welding after being arranged on the second installing hole 35 by screw thread.In above-mentioned connection procedure, distribution pipeline 6 is connected with blast tube 36, and shrinkage expansion hole 31 is connected with the expansion shrinkage hole.
Above-mentioned shrinkage expansion hole 31 is comprised of shrinkage hole section 311 and expanded bore section 312, and wherein, shrinkage hole section 311 can be the smooth transition structure with expanded bore section 312, also can be direct transition structure.In embodiments of the present invention, its shrinkage hole section 311 is round taper hole, and its expanded bore section 312 is cylindrical bore.
In order to optimize the structure of above-mentioned rifle head 3, reduce the temperature in rifle head 3 courses of work, also be provided with annular groove 34 on this rifle head 3, this annular groove 34 matches with shell 1 and forms annular water-cooling channel B, shell 1 inside is provided with water inlet pipe and the outlet pipe that is connected with annular water-cooling channel B, burning torch in the course of the work, constantly having cooling water to enter is annular water-cooling channel B, and heat exchange occurs with rifle head 3, to reduce the temperature of rifle head 3.
Has the first mating surface 38 that matches with shell 1 inwall on this rifle head 3, when rifle head 3 is loaded to shell 1, this first mating surface 38 is controlled on shell 1 inwall, be provided with external screw thread on preferred this first mating surface 38, be provided with the internal thread that matches with this screw thread on shell 1, and in order to guarantee the tightness of the annular water-cooling channel B of shell 1, also be provided with filler at shell 1 with rifle head 3 lap-joints.
In order to prevent rifle head 3 excessively deeply to shell 1 inside, also be provided with annular retaining ring 37 with the first mating surface 38 places of matching shell 1 is inner.
In addition, also have the second mating surface 33 on rifle head 3, when combustion gas mouth 5 was set on rifle head 3, the inwall of combustion gas mouth 5 and the second mating surface 33 cooperatively interacted, and rifle head 3 also can adopt the threaded engagement form with the fixing of combustion gas mouth 5.And for the sealing in the combustion gas chamber that guarantees that combustion gas mouth 5 and rifle head 3 form, the filler of filling also between combustion gas mouth 5 and the second mating surface 33.
Oxygen nozzle 4 as shown in Figure 3, this oxygen nozzle 4 is provided with the expansion shrinkage hole, specifically is divided into expanded bore section 431 and shrinkage hole section 432, and wherein expanded bore section 431 is corresponding with the expanded bore section 312 of rifle head 3, and its shrinkage hole section 432 forms the spout of combustion gas mouth 5.The hole wall that is provided with the first installing hole 32 on the 4th mating surface 41, the four mating surfaces 41 and rifle head 3 on this combustion gas mouth 5 matches.Oxygen nozzle 4 is provided with taper surface 42 and matches with the bellmouth of combustion gas mouth 5, has gap A between the hole wall of its this taper surface 42 and bellmouth, to facilitate the combustion gas ejection.In order to prevent from stopping up blast tube 36, be provided with the pushing off the slag wing 44 on the side face of this oxygen nozzle 4, this pushing off the slag wing 44 is along the radially extension of oxygen nozzle 4.
For this oxygen nozzle 4 for convenience detach, this pushing off the slag wing 44 is regular hexagon, can match with existing spanner, dismantles easy.
Another object of the present invention provides a kind of oxyhydrogen cutting machine, the slot when reducing to cut.
This oxyhydrogen cutting machine comprises electrolysis power, electrolytic cell, the circulatory system, cooling system, water vapor separation system, washing system, anti-backfire system, control system and burning torch.
As shown in Figure 1, this burning torch comprises shell 1, rifle head 3, combustion gas mouth 5, oxygen nozzle 4 and end cap 2, and wherein, this shell 1 is barrel-like structure, and an end of shell 1 is provided with rifle head 3, and the other end is provided with end cap 2; Rifle head 3 middle parts have shrinkage expansion hole 31 and blast tube 36; Combustion gas mouth 5 is set on rifle head 3, and its middle part has bellmouth; Oxygen nozzle 4 one ends are connected with rifle head 3, and the end face of the other end coordinates with bellmouth and forms gap A, can concentrate spoutingly by this gap A fuel gas, and this combustion gas mouth 5 middle parts are provided with the expansion shrinkage hole, and this expansion shrinkage hole is connected with shrinkage expansion hole 31.
Burning torch in the embodiment of the present invention is in being applied to oxyhydrogen cutting machine the time, compare with the burning torch in the oxyhydrogen cutting machine of prior art, save the preheat oxygen pipeline, cutting torch is divided into oxygen nozzle 4 and combustion gas mouth 5 compositions, and rifle head 3 centers are with contraction expanding hole, consist of the oxygen jet device with expanding shrinkage hole in oxygen nozzle 4 and cut oxygen flow speed to improve, thereby reduce slot.Oxygen nozzle 4 all forms with diminishing fuel gas hole with taper fit with combustion gas mouth 5, forms to shrink flame and make in use flame concentrate, and further reduces slot, reduces oxygen and gas consumption, and is more energy-conservation.
Rifle head 3 as shown in Figure 2 is provided with the first installing hole 32 that matches with oxygen nozzle 4 on this rifle head 3, and the second installing hole 35 that matches with distribution pipeline 6.Oxygen nozzle 4 and distribution pipeline are separately positioned on above-mentioned installing hole by screw thread or welding procedure.In more preferred scheme, the end that oxygen nozzle 4 is not provided with the conical surface is threaded connection in insertion the first installing hole 32, and installing hole 32 end faces 322 and oxygen nozzle 4 end face 433 close contacts form complete cylindrical dilatation hole; Then distribution pipeline 6 further is fixed on rifle head 3 through welding after being arranged on the second installing hole 35 by screw thread.In above-mentioned connection procedure, distribution pipeline 6 is connected with blast tube 36, and shrinkage expansion hole 31 is connected with the cutting oxygen hole.
Above-mentioned shrinkage expansion hole 31 is comprised of shrinkage hole section 311 and expanded bore section 312, and wherein, shrinkage hole section 311 can be the smooth transition structure with expanded bore section 312, also can be direct transition structure.In embodiments of the present invention, its shrinkage hole section 311 is round taper hole, and its expanded bore section 312 is cylindrical bore.
In order to optimize the structure of above-mentioned rifle head 3, reduce the temperature in rifle head 3 courses of work, also be provided with annular groove 34 on this rifle head 3, this annular groove 34 matches with shell 1 and forms annular water-cooling channel B, shell 1 inside is provided with water inlet pipe and the outlet pipe that is connected with annular water-cooling channel B, burning torch in the course of the work, constantly having cooling water to enter is annular water-cooling channel B, and heat exchange occurs with rifle head 3, to reduce the temperature of rifle head 3.
Has the first mating surface 38 that matches with shell 1 inwall on this rifle head 3, when rifle head 3 is loaded to shell 1, this first mating surface 38 is controlled on shell 1 inwall, be provided with external screw thread on preferred this first mating surface 38, be provided with the internal thread that matches with this screw thread on shell 1, and in order to guarantee the tightness of the annular water-cooling channel B of shell 1, also be provided with filler at shell 1 with rifle head 3 lap-joints.
In order to prevent rifle head 3 excessively deeply to shell 1 inside, also be provided with annular retaining ring 37 with the first mating surface 38 places of matching shell 1 is inner.
In addition, also have the second mating surface 33 on rifle head 3, when combustion gas mouth 5 was set on rifle head 3, the inwall of combustion gas mouth 5 and the second mating surface 33 cooperatively interacted, and rifle head 3 also can adopt the threaded engagement form with the fixing of combustion gas mouth 5.And the sealing for the combustion gas chamber that guarantees that combustion gas mouth 5 and rifle head 3 form is threaded connection between combustion gas mouth 5 and the second mating surface 33.
Oxygen nozzle 4 as shown in Figure 3, this oxygen nozzle 4 is provided with the expansion shrinkage hole, specifically is divided into expanded bore section 431 and shrinkage hole section 432, and wherein expanded bore section 431 is corresponding with the expanded bore section 312 of rifle head 3, and its shrinkage hole section 432 forms the spout of combustion gas mouth 5.The hole wall that is provided with the first installing hole 32 on the 4th mating surface 41, the four mating surfaces 41 and rifle head 3 on this combustion gas mouth 5 matches.Oxygen nozzle 4 is provided with taper surface 42 and matches with the bellmouth of combustion gas mouth 5, has gap A between the hole wall of its this taper surface 42 and bellmouth, to facilitate the combustion gas ejection.In order to prevent from stopping up blast tube 36, be provided with the pushing off the slag wing 44 on the side face of this oxygen nozzle 4, this pushing off the slag wing 44 is along the radially extension of oxygen nozzle 4.
For this oxygen nozzle 4 for convenience detach, this pushing off the slag wing 44 is regular hexagon, can match with existing spanner, dismantles easy.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.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 the spirit or scope of the present invention, realization 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 (7)
1. a burning torch, is characterized in that, comprising:
The barrel-like structure shell;
Be arranged on the rifle head of described shell one end, described rifle head has shrinkage expansion hole and blast tube, and described shrinkage expansion hole comprises shrinkage hole section and expanded bore section, and described shrinkage hole section is round taper hole, and described expanded bore section is cylindrical bore;
Be set in the combustion gas mouth on described rifle head, have bellmouth in described combustion gas mouth;
The one end is connected with described rifle head, and the end face of the other end coordinates with described bellmouth the oxygen nozzle that forms the gap, and described oxygen nozzle middle part has the expansion shrinkage hole that is connected with described shrinkage expansion hole; With
Be arranged on the end cap of the described shell other end.
2. burning torch as claimed in claim 1, is characterized in that, is provided with the first installing hole that matches with described oxygen nozzle and the second installing hole that matches with the distribution pipeline on described rifle head.
3. burning torch as claimed in claim 2, is characterized in that, also is provided with annular groove on described rifle head, and described annular groove matches with the inwall of described shell and forms annular water-cooling channel.
4. burning torch as claimed in claim 1, is characterized in that, is provided with the pushing off the slag wing in the middle part of described oxygen nozzle, and the described pushing off the slag wing extends along the radial direction of described oxygen nozzle.
5. burning torch as claimed in claim 4, is characterized in that, described pushing off the slag wing regular hexagon.
6. burning torch as claimed in claim 5, is characterized in that, described oxygen nozzle is arranged on described rifle head by screw thread.
7. an oxyhydrogen cutting machine, is characterized in that, comprises the described burning torch of claim 1-6 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110295131 CN102380686B (en) | 2011-09-27 | 2011-09-27 | Oxyhydrogen cutting machine and cutting gun thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110295131 CN102380686B (en) | 2011-09-27 | 2011-09-27 | Oxyhydrogen cutting machine and cutting gun thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102380686A CN102380686A (en) | 2012-03-21 |
| CN102380686B true CN102380686B (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110295131 Expired - Fee Related CN102380686B (en) | 2011-09-27 | 2011-09-27 | Oxyhydrogen cutting machine and cutting gun thereof |
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| Country | Link |
|---|---|
| CN (1) | CN102380686B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724253A (en) * | 2017-11-22 | 2018-02-23 | 天津城建大学 | A kind of hollow drill and sweep-out method for being used to remove cantilever construction prestressing tendon |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3803444C1 (en) * | 1988-02-05 | 1989-04-13 | Messer Griesheim Gmbh, 6000 Frankfurt, De | Gas-cutting or heating torch |
| CN2125773U (en) * | 1992-06-26 | 1992-12-23 | 田苗 | Reflection self-preheating torch cutter |
| CN2340554Y (en) * | 1998-01-22 | 1999-09-29 | 张发明 | Quick action cutting nozzle |
| CN202240056U (en) * | 2011-09-27 | 2012-05-30 | 莱芜钢铁集团有限公司 | Oxyhydrogen cutting machine and burning torch thereof |
-
2011
- 2011-09-27 CN CN 201110295131 patent/CN102380686B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3803444C1 (en) * | 1988-02-05 | 1989-04-13 | Messer Griesheim Gmbh, 6000 Frankfurt, De | Gas-cutting or heating torch |
| CN2125773U (en) * | 1992-06-26 | 1992-12-23 | 田苗 | Reflection self-preheating torch cutter |
| CN2340554Y (en) * | 1998-01-22 | 1999-09-29 | 张发明 | Quick action cutting nozzle |
| CN202240056U (en) * | 2011-09-27 | 2012-05-30 | 莱芜钢铁集团有限公司 | Oxyhydrogen cutting machine and burning torch thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102380686A (en) | 2012-03-21 |
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| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shi Hansheng Inventor after: Jiang Xingchen Inventor after: Chen Xianzhu Inventor after: Diao Yulan Inventor after: Wu Maocheng Inventor after: Sun Cuihua Inventor after: Wang Rubo Inventor before: Shi Hansheng Inventor before: Jiang Xingchen Inventor before: Chen Xianzhu Inventor before: Wu Maocheng Inventor before: Sun Cuihua Inventor before: Wang Rubo |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: SHI HANSHENG JIANG XINGCHEN CHEN XIANZHU WU MAOCHENG SUN CUIHUA WANG RUBO TO: SHI HANSHENG JIANG XINGCHEN CHEN XIANZHU DIAO YULAN WU MAOCHENG SUN CUIHUA WANG RUBO |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20170927 |