CN212841701U - Safe energy-saving ignition burner device - Google Patents
Safe energy-saving ignition burner device Download PDFInfo
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- CN212841701U CN212841701U CN202021838392.6U CN202021838392U CN212841701U CN 212841701 U CN212841701 U CN 212841701U CN 202021838392 U CN202021838392 U CN 202021838392U CN 212841701 U CN212841701 U CN 212841701U
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Abstract
The utility model discloses a safe energy-saving ignition burner device, which relates to the field of metallurgical equipment.A gas steel pipe is sleeved outside a high-pressure igniter, a gas conveying cavity is formed between the outer wall of the high-pressure igniter and the inner wall of the gas steel pipe, and one side of the gas steel pipe is connected with a combustible gas branch pipe communicated with the gas conveying cavity; an upper combined pipe is sleeved outside the upper end of the gas steel pipe, a combustion-supporting gas conveying cavity is formed between the inner wall of the upper combined pipe and the outer wall of the gas steel pipe, and one side of the upper combined pipe is connected with a combustion-supporting gas branch pipe communicated with the combustion-supporting gas conveying cavity; the side wall of the lower end of the gas steel pipe is provided with a plurality of gas jet holes, and the bottom of the gas steel pipe is connected with a gas channel baffle; a combustion-supporting gas channel baffle plate positioned above the gas jet holes is sleeved outside the lower end of the gas steel pipe, and a plurality of combustion-supporting gas jet holes for combustion-supporting gas to pass through are formed in the combustion-supporting gas channel baffle plate; the outer part of the combustion-supporting gas channel baffle is sleeved with a lower positioning pipe, and the top end of the lower positioning pipe is connected with the upper combined pipe through a convex flat welding flange.
Description
Technical Field
The utility model relates to a metallurgical equipment field, concretely relates to use safe energy-conserving ignition nozzle device on ladle roaster be built by contract.
Background
The ignition device of the ladle roaster is an indispensable accessory for roasting a ladle, the defect that manual ignition is unsafe in the prior art is overcome, metallurgical equipment manufacturers constantly optimize equipment related to an automatic ignition device, and the problems more or less exist from the initial adoption of a silicon nitride ceramic ignition device to a later-pushed pilot burner, the common silicon nitride ceramic ignition device ignites, the ignition success probability is low, the service life is short, frequent replacement is needed, and the workload of field equipment maintenance personnel is additionally increased. In addition, the long open fire ignition device adopted by the steel works of the existing larger steel enterprises, the long open fire ignition device in the existing ladle roaster mixes air or compressed air and fuel gas in a steel pipe with the length of 400mm-500mm DN50, and then an ignition rod passes through the center of the steel pipe with the length of DN50 and is ignited at the outlet end of the steel pipe, the structure has the technical defects that 1) the concentration of combustible mixed gas is unbalanced because the pressure of the fuel gas delivery of the steel works is unstable; 2) generally, the pressure of compressed air used in steel plants is higher than the gas delivery pressure, so that gas delivered by a gas nozzle is easily blown away under the pressure action of the compressed air, and finally, the gas cannot be normally ignited due to too low concentration of combustible gas; 3) the uneven mixing of the fuel gas and the combustion-supporting gas (air or compressed air) can cause the fuel gas not to participate in the combustion process and be discharged, thereby not only causing the waste of the combustible gas, but also bringing about greater potential safety hazard.
SUMMERY OF THE UTILITY MODEL
For solving exist not enough among the prior art, the utility model provides an energy-conserving ignition nozzle device of safety, effectual improvement ignition efficiency makes the gas of carrying out fully participate in the middle of the burning, has both saved the consumption of gas, has eliminated the potential safety hazard because the gas leaks and bring again.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: a safe and energy-saving ignition burner device comprises a high-pressure igniter, wherein a gas steel pipe is sleeved outside the high-pressure igniter, a gas conveying cavity is formed between the outer wall of the high-pressure igniter and the inner wall of the gas steel pipe, a gas inlet is formed in one side of the gas steel pipe, a combustible gas branch pipe is connected to the gas inlet, and the combustible gas branch pipe is communicated with the gas conveying cavity;
an upper combined pipe is sleeved outside the upper end of the gas steel pipe, a combustion-supporting gas conveying cavity is formed between the inner wall of the upper combined pipe and the outer wall of the gas steel pipe, a combustion-supporting gas inlet is formed in one side of the upper combined pipe, a combustion-supporting gas branch pipe is connected to the combustion-supporting gas inlet, and the combustion-supporting gas branch pipe is communicated with the combustion-supporting gas conveying cavity;
the side wall of the lower end of the gas steel pipe is provided with a plurality of gas jet holes, and the bottom of the gas steel pipe is connected with a gas channel baffle; a combustion-supporting gas channel baffle plate positioned above the gas jet holes is sleeved outside the lower end of the gas steel pipe, and a plurality of combustion-supporting gas jet holes for combustion-supporting gas to pass through are formed in the combustion-supporting gas channel baffle plate; the outer part of the combustion-supporting gas channel baffle is sleeved with a lower positioning pipe, and the top end of the lower positioning pipe is connected with the upper combined pipe through a convex flat welding flange.
Furthermore, a gas steel pipe end cover is arranged at the joint of the top of the gas steel pipe and the high-pressure igniter, the top end of the high-pressure igniter penetrates out of the center of the gas steel pipe end cover, and the part of the high-pressure igniter, which is higher than the upper surface of the gas steel pipe end cover, is provided with an external thread structure.
Furthermore, an upper combined pipe end cover is arranged at the joint of the top of the upper combined pipe and the gas steel pipe.
Furthermore, the lower end of the high-pressure igniter penetrates out of the center of the gas channel baffle.
Furthermore, the distance between the lower surface of the combustion-supporting gas channel baffle and the lower end face of the gas steel pipe is 55 mm.
Furthermore, the diameter of the gas injection hole is not more than 6mm, and the number of the gas injection holes is not more than 5.
Furthermore, the diameter of the combustion-supporting gas injection hole is not less than 4mm, and the number of the combustion-supporting gas injection holes is at least 3.
The utility model has the advantages that: 1. the mixing space of the fuel gas and the combustion-supporting gas is reduced, so that the two gases are fully mixed, and the uneven condition is eliminated; 2. the baffle is arranged in the combustion-supporting gas conveying cavity, so that the pressure of the combustion-supporting gas is reduced, and the phenomenon that the fuel gas is blown away under the pressure action of the combustion-supporting gas is eliminated; 3. after the fuel gas and the combustion-supporting gas are mixed in a specific area, the ignition efficiency is effectively improved; meanwhile, the delivered gas is fully participated in the combustion, thereby not only saving the consumption of the gas, but also eliminating the potential safety hazard caused by the leakage of the gas.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The reference numbers in the figures are as follows: 1. the fuel gas combustion-supporting gas pipeline comprises a fuel gas branch pipe, 2 a combustion-supporting gas branch pipe, 3 a high-pressure igniter, 4 an upper combined pipe, 5 a convex surface flat welding flange, 6 a lower positioning pipe, 7 a fuel gas jet hole, 8 a combustion-supporting gas jet hole, 9 a fuel gas channel baffle, 10 a combustion-supporting gas channel baffle, 11 a fuel gas conveying cavity, 12 a combustion-supporting gas conveying cavity, 13 a fuel gas steel pipe, 14 a fuel gas steel pipe end cover, 15 an upper combined pipe end cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Example 1
The utility model provides a safe energy-conserving ignition burner device, includes high pressure igniter 3, adopts high temperature resistant stainless steel, semiconductor ceramic surface discharge structure to constitute, 3 outside gas steel pipe 13 that have cup jointed of high pressure igniter, gas steel pipe 13 top and 3 junctions of high pressure igniter are equipped with gas steel pipe end cover 14, 14 centers of gas steel pipe end cover are worn out on 3 tops of high pressure igniter, and its part that exceeds 14 upper surfaces of gas steel pipe end cover has the external screw thread structure, and this external screw thread structure is used for with external cable junction. A gas conveying cavity 11 is formed between the outer wall of the high-pressure igniter 3 and the inner wall of the gas steel pipe 13, a gas inlet is formed in one side of the gas steel pipe 13, the gas inlet is vertically connected with a combustible gas branch pipe 1, and the combustible gas branch pipe 1 is communicated with the gas conveying cavity 11;
the outer part of the upper end of the gas steel pipe 13 is sleeved with an upper combined pipe 4, and an upper combined pipe end cover 15 is arranged at the joint of the top of the upper combined pipe 4 and the gas steel pipe 13. A combustion-supporting gas conveying cavity 12 is formed between the inner wall of the upper combined pipe 4 and the outer wall of the gas steel pipe 13, a combustion-supporting gas inlet is formed in one side of the upper combined pipe 4, the combustion-supporting gas inlet is connected with a combustion-supporting gas branch pipe 2 in an inclined angle mode, and the combustion-supporting gas branch pipe 2 is communicated with the combustion-supporting gas conveying cavity 12;
the side wall of the lower end of the gas steel pipe 13 is provided with a plurality of gas jet holes 7, and the bottom of the gas steel pipe 13 is connected with a gas channel baffle plate 9; the lower end of the high-pressure igniter 3 penetrates out of the center of the gas channel baffle 9. A combustion-supporting gas channel baffle plate 10 positioned above the gas jet holes 7 is sleeved outside the lower end of the gas steel pipe 13, and a plurality of combustion-supporting gas jet holes 8 for combustion-supporting gas to pass through are formed in the combustion-supporting gas channel baffle plate 10; the outside of the combustion-supporting gas channel baffle 10 is sleeved with a lower positioning pipe 6, and the top end of the lower positioning pipe 6 is connected with the upper combined pipe 4 through a convex surface flat welding flange 5.
Preferably, the distance between the lower surface of the combustion-supporting gas channel baffle 10 and the lower end surface of the gas steel pipe 13 is 55 mm. The diameter of the gas injection holes 7 is not more than 6mm, the number of the gas injection holes is not more than 5, and the gas injection holes are distributed in two rows in an annular staggered manner. The diameter of the combustion-supporting gas injection holes 8 is not less than 4mm, and the number of the combustion-supporting gas injection holes is at least 3.
In the embodiment, the gas is coal gas, and the combustion-supporting gas is air or compressed air.
When the ladle roaster ladle cover is used, the bottom end of the lower positioning tube 6 and the ladle cover of the ladle roaster are obliquely inserted into the upper end surface of the ladle cover at an angle of at least 35 degrees and penetrate through the lower end surface of the ladle cover to point to the direction of a ladle.
The original single mode of directly conveying fuel gas (coal gas) and combustion-supporting gas (air) into DN50 pipeline for mixing is changed into the mode of respectively conveying the fuel gas (coal gas) and the combustion-supporting gas (air) to a designated area; a combustion-supporting gas channel baffle 10 is additionally arranged in the combustion-supporting gas conveying cavity 12, and a section of decompression cavity is formed in the combustion-supporting gas conveying cavity 12, so that the combustion-supporting gas is uniformly conveyed to a specified combustible gas mixing area through the combustion-supporting gas jet holes 8. Therefore, the combustion-supporting gas can be decompressed and can be uniformly conveyed to a specified mixing area. The end of the bottom of the gas steel pipe 13 is additionally provided with a gas channel baffle plate 9, two rows of gas injection holes 7 are radially and uniformly formed at a position 30mm away from the end of the bottom of the gas steel pipe, so that the sum of the areas of the gas injection holes 7 is larger than the cross section area of the port of the gas steel pipe 13, and the gas injection holes are uniformly distributed at a position 30mm away from the port of the bottom of the gas steel pipe 13, and further, gas (coal gas) and combustion-supporting gas (air) are fully.
The high-pressure igniter 3 penetrates out of the gas steel pipe 13, the ignition point exceeds the bottom end face of the gas steel pipe 13 by about 10mm, and then the mixed combustible gas is contacted with the ignition point of the high-pressure igniter 3 at the first time after flowing out of the mixing area, so that the purpose of one-touch instant combustion is achieved, the ignition efficiency is greatly improved, and the danger of gas leakage is eliminated.
The above description is only the specific implementation manner of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the design of the present invention within the technical scope of the present invention.
Claims (7)
1. A safe and energy-saving ignition burner device comprises a high-pressure igniter (3) and is characterized in that a gas steel pipe (13) is sleeved outside the high-pressure igniter (3), a gas conveying cavity (11) is formed between the outer wall of the high-pressure igniter (3) and the inner wall of the gas steel pipe (13), a gas inlet is formed in one side of the gas steel pipe (13), the gas inlet is connected with a combustible gas branch pipe (1), and the combustible gas branch pipe (1) is communicated with the gas conveying cavity (11);
an upper combined pipe (4) is sleeved outside the upper end of the gas steel pipe (13), a combustion-supporting gas conveying cavity (12) is formed between the inner wall of the upper combined pipe (4) and the outer wall of the gas steel pipe (13), a combustion-supporting gas inlet is formed in one side of the upper combined pipe (4), a combustion-supporting gas branch pipe (2) is connected to the combustion-supporting gas inlet, and the combustion-supporting gas branch pipe (2) is communicated with the combustion-supporting gas conveying cavity (12);
a plurality of gas jet holes (7) are formed in the side wall of the lower end of the gas steel pipe (13), and the bottom of the gas steel pipe (13) is connected with a gas channel baffle plate (9); a combustion-supporting gas channel baffle plate (10) positioned above the gas jet holes (7) is sleeved outside the lower end of the gas steel pipe (13), and a plurality of combustion-supporting gas jet holes (8) for combustion-supporting gas to pass through are formed in the combustion-supporting gas channel baffle plate (10); the outer part of the combustion-supporting gas channel baffle (10) is sleeved with a lower positioning pipe (6), and the top end of the lower positioning pipe (6) is connected with the upper combined pipe (4) through a convex surface flat welding flange (5).
2. The safe and energy-saving ignition burner device according to claim 1, wherein a gas steel pipe end cover (14) is arranged at the joint of the top of the gas steel pipe (13) and the high-pressure igniter (3), the top end of the high-pressure igniter (3) penetrates through the center of the gas steel pipe end cover (14), and the part of the high-pressure igniter, which is higher than the upper surface of the gas steel pipe end cover (14), is provided with an external thread structure.
3. A safe and energy-saving ignition burner device according to claim 1, characterized in that an upper combined pipe end cover (15) is arranged at the joint of the top of the upper combined pipe (4) and the gas steel pipe (13).
4. A safe and energy-saving ignition burner device as claimed in claim 1, characterized in that the lower end of the high-pressure igniter (3) penetrates through the center of the gas channel baffle (9).
5. A safe and energy-saving ignition burner device according to claim 1, wherein the distance between the lower surface of the combustion-supporting gas channel baffle (10) and the lower end surface of the gas steel pipe (13) is 55 mm.
6. A safe and energy-saving ignition burner device as claimed in claim 1, wherein the diameter of the gas injection holes (7) is not more than 6mm, and the number of the gas injection holes is not more than 5.
7. A safe and energy-saving ignition burner device according to claim 1, characterized in that the diameter of the combustion-supporting gas injection holes (8) is not less than 4mm, and the number is at least 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021838392.6U CN212841701U (en) | 2020-08-28 | 2020-08-28 | Safe energy-saving ignition burner device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021838392.6U CN212841701U (en) | 2020-08-28 | 2020-08-28 | Safe energy-saving ignition burner device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212841701U true CN212841701U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021838392.6U Active CN212841701U (en) | 2020-08-28 | 2020-08-28 | Safe energy-saving ignition burner device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212841701U (en) |
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2020
- 2020-08-28 CN CN202021838392.6U patent/CN212841701U/en active Active
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