CN219656067U - Gas oxygen burning gun - Google Patents
Gas oxygen burning gun Download PDFInfo
- Publication number
- CN219656067U CN219656067U CN202320342591.5U CN202320342591U CN219656067U CN 219656067 U CN219656067 U CN 219656067U CN 202320342591 U CN202320342591 U CN 202320342591U CN 219656067 U CN219656067 U CN 219656067U
- Authority
- CN
- China
- Prior art keywords
- oxygen
- gas
- pipe
- gas pipe
- primary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000007789 gas Substances 0.000 title claims abstract description 159
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 113
- 239000001301 oxygen Substances 0.000 title claims abstract description 113
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 113
- 239000000945 filler Substances 0.000 claims abstract description 26
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 18
- 238000002485 combustion reaction Methods 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 abstract description 15
- 239000010959 steel Substances 0.000 abstract description 15
- 239000003034 coal gas Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a coal gas oxygen burning gun, and belongs to the technical field of oxygen burning guns. The utility model provides a coal gas oxygen burning rifle, oxygen burning rifle includes ignition device, first order burning region, second grade burning region and medium pipeline and flange constitution: the medium pipeline consists of an oxygen pipe, a main gas pipe, a primary gas pipe and a secondary gas pipe, wherein the oxygen pipe is fixedly inserted into the primary gas pipe through a flame stabilizing cover, heat-resistant filler is arranged in the main gas pipe, and the primary gas pipe is inserted into the main gas pipe through the heat-resistant filler; through gas and oxygen intensive mixing, and then make gas intensive combustion, the gas of intensive combustion can provide stable flame temperature, and then improves the preheating efficiency of steel scrap, has accelerated preheating rate, has improved output, through the heat-resisting filler that is equipped with in the total gas pipe, can effectually keep apart the temperature that gas was released when being lighted, and then protected the oxygen burning rifle, increased the life of oxygen burning rifle.
Description
Technical Field
The utility model relates to the technical field of oxygen burning guns, in particular to a gas oxygen burning gun.
Background
The scrap steel is one of two large ferrite raw materials for steel smelting, is the only steel-making raw material capable of replacing iron ores, has the characteristics of being green and carrying energy compared with the iron ores, and can replace part of the iron ores by using the scrap steel, thereby being beneficial to energy conservation and emission reduction in the steel industry.
The oxygen burning gun in the prior art is widely applied to steel-making engineering in China, the steel scrap ratio of raw materials in the steel-making process in China is low at present, the energy consumption and the cost of ton steel are relatively high, in the steel scrap heating process, insufficient mixing of coal gas and oxygen in the oxygen burning gun possibly exists, the flame temperature during combustion is poor, the preheating efficiency of the steel scrap is influenced, the preheating speed of the steel scrap is also possibly slow, the yield of the steel scrap is influenced, the production efficiency is required to be further improved, and the waste of resources is caused because the coal gas in the oxygen burning gun cannot be fully utilized.
Aiming at the problems in the prior art, we propose a gas oxygen burning gun.
Disclosure of Invention
The utility model aims to solve the problems of low flame temperature, low gas utilization rate and short service life of an oxygen burning gun in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a coal gas oxygen burning rifle, oxygen burning rifle includes ignition device, first order burning region, second grade burning region and medium pipeline and flange constitution:
the medium pipeline consists of an oxygen pipe, a main gas pipe, a primary gas pipe and a secondary gas pipe, wherein the oxygen pipe is fixedly inserted into the primary gas pipe through a flame stabilizing cover, heat-resistant filler is arranged in the main gas pipe, and the primary gas pipe is inserted into the main gas pipe through the heat-resistant filler;
the flame stabilizing cover, the oxygen pipe and the first-stage gas pipe form the first-stage combustion area close to the port of the flame stabilizing cover, the heat-resistant filler is enclosed to form a fire storage hole, the second-stage gas pipe is fixedly arranged in the heat-resistant filler, one end of the second-stage gas pipe is arranged in the total gas pipe, and the other end of the second-stage gas pipe is arranged in the fire storage hole; the secondary gas pipe, the heat-resistant filler and the fire storage holes form the secondary combustion area;
the primary gas pipe is provided with a gas inlet hole for mixing gas with oxygen;
an oxygen nozzle is fixedly connected to the oxygen pipe, and an oxygen outlet hole is formed in the oxygen nozzle and used for outputting oxygen output by the oxygen pipe;
the flame stabilizing cover is provided with an exhaust hole for exhausting the gas in the primary gas pipe.
Preferably, the ignition device comprises an igniter, one end of the igniter is arranged outside the total gas pipe, and the other end of the igniter is arranged in the secondary combustion area.
Preferably, the flange comprises an oxygen pipe flange and a gas pipe flange, wherein the oxygen pipe flange is fixedly connected to the oxygen pipe, and the gas pipe flange is fixedly connected to the total gas pipe.
Preferably, the number of the exhaust holes is 8, and the angle between the holes is 45 degrees.
Preferably, the number of the oxygen outlet holes is 8, the angle between the oxygen outlet holes is 45 degrees, and the oxygen outlet holes formed in the oxygen pipe correspond to the exhaust holes formed in the flame stabilizing cover.
Preferably, the number of the secondary gas pipes is 4, the secondary gas pipes are uniformly distributed in the heat-resistant filler, and the angle between the adjacent secondary gas pipes is 90 degrees.
Compared with the prior art, the utility model provides a gas oxygen burning gun, which comprises the following components
The beneficial effects are that:
1. the high-thrust low-calorific-value gas oxygen burning gun is characterized in that gas entering the first gas pipe is discharged through the exhaust hole formed in the flame stabilizing cover, the discharged oxygen and the discharged gas are fully mixed at the bottom end of the first gas pipe, the discharged oxygen and the gas are ignited by the igniter after being fully mixed, the discharged oxygen and the gas are fully mixed, the gas is fully combusted, the stable flame temperature can be provided by the fully combusted gas, the preheating efficiency of waste steel is improved, the preheating speed is accelerated, and the yield is improved.
2. The high-thrust low-calorific-value gas oxygen burning gun can ignite gas sprayed out from the second gas pipe in the fire storage hole, the ignited gas can further improve the flame temperature, the preheating efficiency of scrap steel is further improved, the preheating speed is further accelerated, and the yield is further improved.
3. The high-thrust low-calorific-value gas oxygen burning gun can effectively isolate the temperature applied when the gas is ignited by the heat-resistant filler arranged in the total gas pipe in the use process, thereby protecting the oxygen burning gun and prolonging the service life of the oxygen burning gun.
Drawings
FIG. 1 is a schematic diagram of a gas oxygen burning gun according to the present utility model;
fig. 2 is a left side view of the inside of a primary gas pipe of a gas oxygen burning gun according to the present utility model.
In the figure: 1. an oxygen pipe; 2. an oxygen nozzle; 3. a flame stabilizing cover; 4. a primary gas pipe; 5. a total gas pipe; 6. a secondary gas pipe; 7. a heat-resistant filler; 8. an oxygen pipe flange; 9. a gas pipe flange; 10. an igniter; 11. an air inlet hole; 12. an oxygen outlet hole; 13. an exhaust hole; 14. and a fire storage hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-2, a gas oxy-fuel gun includes an ignition device, a primary combustion zone, a secondary combustion zone, and a media conduit:
the medium pipeline comprises an oxygen pipe 1, a main gas pipe 5, a first-stage gas pipe 4 and a second-stage gas pipe 6, wherein the oxygen pipe 1 is fixedly inserted into the first-stage gas pipe 4 through a flame stabilizing cover 3, a heat-resistant filler 7 is arranged in the main gas pipe 5, and the first-stage gas pipe 4 is inserted into the main gas pipe 5 through the heat-resistant filler 7;
the end port area of the flame stabilizing cover 3, which is close to the primary gas pipe 4, is a primary combustion area, the heat-resistant filler 7 is enclosed to form a flame storage hole 14, the secondary gas pipe 6 is fixedly arranged in the heat-resistant filler 7, one end of the secondary gas pipe 6 is arranged in the total gas pipe 5, and the other end of the secondary gas pipe 6 is arranged in the flame storage hole 14; the area of the gas outlet end of the secondary gas pipe 6 where the fire storage hole 14 is positioned is a secondary combustion area;
an air inlet 11 is formed in the primary gas pipe 4 and is used for conveying the gas in the total gas pipe 5 into the primary gas pipe 4;
an oxygen nozzle 2 is fixedly connected to the oxygen pipe 1, and an oxygen outlet 12 is formed in the oxygen nozzle 2 and used for outputting oxygen output by the oxygen pipe 1;
the flame stabilizing cover 3 is provided with an exhaust hole 13 for exhausting the gas in the primary gas pipe 4.
In the high-thrust low-calorific-value gas oxygen burning gun, in the use process, oxygen is conveyed through an oxygen pipe 1, conveyed oxygen is emitted through an oxygen hole 12 formed in an oxygen nozzle 2, gas is conveyed through a total gas pipe 5, conveyed gas enters the first gas pipe 4 through an air inlet hole 11 formed in the first gas pipe 4, gas entering the first gas pipe 4 is discharged through an air outlet hole 13 formed in a flame stabilizing cover 3, the emitted oxygen and discharged gas are fully mixed at the bottom end of the first gas pipe 4 and are ignited by an igniter 10 after being fully mixed, the air outlet hole 13 formed in the flame stabilizing cover 3 corresponds to the oxygen hole 12 formed in the oxygen nozzle 2, and the discharged oxygen and the gas can be fully mixed by forming corresponding holes, so that the gas can be fully combusted, stable flame temperature can be provided for the fully combusted gas, the preheating efficiency of waste steel is further improved, the preheating speed is accelerated, and the output is improved.
In the high-thrust low-calorific-value gas oxygen burning gun, in the use process, part of gas conveyed by the total gas pipe 5 does not enter the first gas pipe 4 and is conveyed by the second gas pipe 6, gas sprayed out of the second gas pipe 6 is ignited in the fire storage hole 14, the ignited gas further improves the flame temperature, the preheating efficiency of scrap steel is further improved, the preheating speed is further accelerated, and the yield is further improved.
Referring to fig. 1, the ignition device comprises an igniter 10, one end of the igniter 10 is arranged outside the main gas pipe 5, the other end of the igniter 10 is arranged in a secondary combustion area, and the igniter 10 is used for ignition, so that the ignition device is safer and more convenient.
Referring to fig. 1, the flange includes oxygen pipe flange 8 and gas pipe flange 9, and oxygen pipe flange 8 fixed connection is on oxygen pipe 1, and gas pipe flange 9 fixed connection is on total gas pipe 5, through 8 gas pipe flanges 9 of oxygen pipe flange, is more convenient for realize installing and dismantle oxygen pipe 1 and total gas pipe 5 fast.
Referring to fig. 2, the number of vent holes 13 is 8, and the angle between adjacent vent holes 13 and the axial center of oxygen pipe 1 is 45 °.
The number of the oxygen outlet holes 12 is 8, the angle between the two adjacent air outlet holes 12 relative to the axis of the oxygen pipe 1 is 45 degrees, and the oxygen outlet holes 12 arranged on the oxygen pipe 1 correspond to the air outlet holes 13 arranged on the flame stabilizing cover 3;
the adoption of the plurality of exhaust holes 13 and the oxygen outlet holes 12 can enable oxygen and gas to be uniformly sprayed out, and the plurality of holes can enable the gas and the oxygen to be uniformly mixed in a large area, so that the flame intensity is further improved.
The number of the secondary gas pipes 6 is 4, the secondary gas pipes 6 are uniformly distributed in the heat-resistant filler 7, the angle between the two adjacent secondary gas pipes 6 relative to the axis of the oxygen pipe 1 is 90 degrees, the intensity of secondary flame can be further improved through the plurality of secondary gas pipes 6, and the gas outlet end of the secondary gas pipe 6 adopts an inward inclination angle, so that the secondary flame is gathered towards the fire storage hole 14, the flame intensity is further improved, and the heating rate is improved.
In the use, through the heat-resistant filler 7 that is equipped with in the total gas pipe 5, the heat-resistant filler 7 that uses is heat-resistant aluminium hydroxide filler, and aluminium hydroxide filler has good heat absorption and thermal insulation nature, and then can effectually keep off the temperature that the gas was released when being lighted, and then protected the oxygen burning torch, increased the life of oxygen burning torch, and the conical groove that heat-resistant filler 7 that is equipped with in the total gas pipe 5 closed, be convenient for fix first gas pipe 4, make its inseparable grafting on total gas pipe 5, further improved the life of oxygen burning torch.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. A gas oxygen lance comprising an ignition device, a primary combustion zone, a secondary combustion zone and a medium conduit:
the medium pipeline comprises an oxygen pipe (1), a total gas pipe (5), a primary gas pipe (4) and a secondary gas pipe (6), wherein the oxygen pipe (1) is fixedly inserted into the primary gas pipe (4) through a flame stabilizing cover (3), a heat-resistant filler (7) is arranged in the total gas pipe (5), and the primary gas pipe (4) is inserted into the total gas pipe (5) through the heat-resistant filler (7);
the primary gas pipe (4) is close to the port area of one end of the flame stabilizing cover (3) and is the primary combustion area, the heat-resistant filler (7) is enclosed to form a fire storage hole (14), the secondary gas pipe (6) is fixedly arranged in the heat-resistant filler (7), one end of the secondary gas pipe (6) is arranged in the total gas pipe (5), and the other end of the secondary gas pipe (6) is arranged in the fire storage hole (14); the area of the fire storage hole (14) positioned at the air outlet end of the secondary gas pipe (6) is the secondary combustion area;
an air inlet hole (11) is formed in the primary gas pipe (4) and is used for conveying the gas in the total gas pipe (5) into the primary gas pipe (4);
an oxygen nozzle (2) is fixedly connected to the oxygen pipe (1), and an oxygen outlet hole (12) is formed in the oxygen nozzle (2) and used for outputting oxygen output by the oxygen pipe (1);
the flame stabilizing cover (3) is provided with an exhaust hole (13) for exhausting the gas in the primary gas pipe (4).
2. A gas oxygen lance as claimed in claim 1, wherein the ignition means comprises an igniter (10), one end of the igniter (10) being disposed outside the main gas pipe (5), the other end of the igniter (10) being disposed in the secondary combustion zone.
3. A gas oxygen lance as claimed in claim 2, characterized in that the lance further comprises a flange comprising an oxygen pipe flange (8) and a gas pipe flange (9), the oxygen pipe flange (8) being fixedly connected to the oxygen pipe (1), the gas pipe flange (9) being fixedly connected to the total gas pipe (5).
4. A gas oxygen lance as claimed in claim 2, wherein the number of said exhaust holes (13) is 8, and the angle between adjacent exhaust holes (13) is 45 ° with respect to the axis of the oxygen pipe (1).
5. The gas oxygen burning gun according to claim 4, wherein the number of the oxygen outlet holes (12) is 8, the angle between two adjacent oxygen outlet holes (12) relative to the axis of the oxygen pipe (1) is 45 degrees, and the oxygen outlet holes (12) arranged on the oxygen pipe (1) correspond to the exhaust holes (13) arranged on the flame stabilizing cover (3).
6. A gas oxygen lance as claimed in claim 2, wherein the number of secondary gas pipes (6) is 4, the secondary gas pipes (6) are uniformly distributed in the heat-resistant filler (7), and the angle between two adjacent secondary gas pipes (6) is 90 ° relative to the axis of the oxygen pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320342591.5U CN219656067U (en) | 2023-02-28 | 2023-02-28 | Gas oxygen burning gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320342591.5U CN219656067U (en) | 2023-02-28 | 2023-02-28 | Gas oxygen burning gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219656067U true CN219656067U (en) | 2023-09-08 |
Family
ID=87860948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320342591.5U Active CN219656067U (en) | 2023-02-28 | 2023-02-28 | Gas oxygen burning gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219656067U (en) |
-
2023
- 2023-02-28 CN CN202320342591.5U patent/CN219656067U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |