CN103343971B - Automatic ignition linear type combustor - Google Patents
Automatic ignition linear type combustor Download PDFInfo
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- CN103343971B CN103343971B CN201310306440.5A CN201310306440A CN103343971B CN 103343971 B CN103343971 B CN 103343971B CN 201310306440 A CN201310306440 A CN 201310306440A CN 103343971 B CN103343971 B CN 103343971B
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- plate
- nozzle
- automatic ignition
- spout
- linear burner
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Abstract
The invention relates to an automatic ignition linear type combustor which comprises an ignition electrode (2), a nozzle plate (13), an opened air collecting box (5), a pneumatic panel (6), an air mixing pipeline (7) and a mixer (8). The nozzle plate (13) is provided with a plurality of nozzle holes (23), a combustion chamber (15) which is of a long narrow shape is arranged above the nozzle plate (13), a gradually-narrowed cavity (16) with a small end up is formed below the nozzle plate (13), and the pneumatic panel (6) is arranged inside the opened air collecting box (5). The bottom of the opened air collecting box (5) is communicated with the gas mixing pipeline (7), and the gas mixing pipeline (7) is connected with the mixer (8). The automatic ignition linear type combustor can guarantee air and gas to be mixed evenly in a short pipeline, relative large power combustion is achieved, the stiffness and the stability of flames are ensured, and evenness and conformity of the flames in the length direction of the combustor can be ensured.
Description
Technical field
The present invention relates to the automatic ignition linear burner in a kind of fuel gas buring and low-temperature bake, dry field.
Background technology
Line style burner is a kind of novel burner adopting premix combustion technology.Since appearance, be widely used at industrial circle, generally be applied to the occasion that heated object target heating temperature is lower, as the field such as environment heating, air circulating-heating, workpiece heat, industrial packaging, welding is applied all to some extent, typical applications such as the band steel before the entry loop of large-size horizontal continuous annealing furnace, outlet looping and crimping machine leads to heating apparatus.Single burner rating, generally between 10 ~ 200kW, can carry out burner length adjustment according to the difference of heating function demand, and the burner rating of unit length is generally at 0.3 ~ 1kW/cm.
Linear burner adopts premix combustion technology, air and the first premix of combustion gas, after-combustion.General employing air and gaspipe line lead directly to the mode mixed and carry out premix, need one section of longer gaseous mixture pipeline to ensure mixing uniformity after mixing; General linear burner adopts manual ignition mode to light a fire, and is not with fire defector, or have employed electronic ignition technology but cannot realize fire endurance period monitoring, namely cannot realize remote impulse Combustion System; General linear burner burn high heating value gas time, gaseous mixture ejection flow velocity lower, burner rating is less than normal, flame rigidity and flame holding poor; General linear burner can only in shorter length (burner length is less than 700mm) ensure the uniformity of flame shape, easily produce after burner extended length that flame height is inconsistent, the defect of local instability.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of automatic ignition linear burner is provided, can ensure that air and coal gas mix on shorter pipeline, while realizing relatively high power burning, ensure rigidity and the stability of flame, and the uniformity consistency of flame on burner length direction can be ensured.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of automatic ignition linear burner, comprises ignitor, nozzle plate, uncovered plenum chamber, pneumatic panel, gaseous mixture pipeline and blender; Described nozzle plate is provided with multiple nozzle holes, the top of described nozzle plate is provided with the combustion chamber of sleeve configuration, the below of described nozzle plate is provided with up-small and down-big gradual shrinkage cavity, described gradual shrinkage cavity is communicated with described uncovered plenum chamber, the inside of described uncovered plenum chamber is provided with pneumatic panel, and described pneumatic panel is provided with the passage corresponding with described nozzle holes; With described gaseous mixture pipeline connection bottom described uncovered plenum chamber, described gaseous mixture pipeline is connected with described blender, and described blender is provided with air inlet and gas inlet; By the described air of ignitor ignition combustion indoor and the gaseous mixture of coal gas.
In automatic ignition linear burner of the present invention, the upper end of the long side of described nozzle plate is provided with spout baffle plate, the lower end of long side is provided with bending plate, the two ends of described spout baffle plate and described bending plate are sealed by spout end plate, described combustion chamber is surrounded by described spout baffle plate and spout end plate, and described gradual shrinkage cavity is surrounded by described bending plate and spout end plate.
In automatic ignition linear burner of the present invention, described spout end plate is provided with electrode installing plate, and described ignitor is arranged on described electrode installing plate, and the end of described ignitor is positioned at described spout end plate upper end.
In automatic ignition linear burner of the present invention, the bottom of described gradual shrinkage cavity is provided with spout base plate.
In automatic ignition linear burner of the present invention, described air inlet is communicated with air pipe line, and described air pipe line is provided with air hand valve.
In automatic ignition linear burner of the present invention, described gas inlet is communicated with gaspipe line, and described gaspipe line is provided with coal gas hand valve and electromagnetic valve.
In automatic ignition linear burner of the present invention, described ignitor is also connected with flame detecting device and high voltage package, and described flame detecting device is connected with controller with high voltage package, and described electromagnetic valve is also connected with described controller.
In automatic ignition linear burner of the present invention, described blender is also provided with the first pressure-tapping nozzle installing hole and pressure-tapping nozzle installing hole for subsequent use, in described first pressure-tapping nozzle installing hole, pressure-tapping nozzle is installed, described pressure-tapping nozzle is connected with air gauge, is provided with plug in described pressure-tapping nozzle installing hole for subsequent use.
In automatic ignition linear burner of the present invention, the angle between described nozzle plate and spout baffle plate is 90 °.
Implement automatic ignition linear burner of the present invention, there is following beneficial effect:
1, the present invention adopts blender to carry out air and coal gas premix, ensure that the mixing uniformity of air and coal gas;
2, the nozzle plate of sleeve configuration and combustion chamber can ensure that burner is while relatively high power burning, obtain a stable line style rigidity flame, enhance heating effect, ensure rigidity and the stability of flame;
3, enter in uncovered plenum chamber by gaseous mixture pipeline after air and coal gas mixing, pneumatic panel realizes gaseous mixture uniform distribution on chamber length direction, and gradual shrinkage cavity is reallocated to gaseous mixture, improves the uniformity of flame height.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of automatic ignition linear burner of the present invention;
Fig. 2 is the side view of automatic ignition linear burner of the present invention;
Fig. 3 is the top view of combustion chamber;
Fig. 4 is the structural representation of another embodiment of automatic ignition linear burner of the present invention;
Fig. 5 is the control principle schematic diagram of automatic ignition linear burner of the present invention.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and effect, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1-Figure 3, automatic ignition linear burner of the present invention comprises ignitor 2, nozzle plate 13, uncovered plenum chamber 5, pneumatic panel 6, gaseous mixture pipeline 7 and blender 8.
Nozzle plate 13 is provided with multiple nozzle holes 23.Nozzle plate 13 adopts heat resisting steel machine-shaping, and its length and width are determined according to the technological requirement of heated object.The flame characteristics that the size of nozzle holes 23 and number require according to use occasion actual conditions and fuel used kind are determined by calculating.Generally, the own combustion speed of fuel is faster, and ignition temperature is lower, and burner design power is less, and the design aperture of nozzle holes 23 is less, otherwise design aperture is larger; The flame that use occasion requires is more wide longer, then the number of openings is more, and the flame of requirement is more narrow shorter, then the number of openings is fewer.
The top of nozzle plate 13 is provided with the combustion chamber 15 of sleeve configuration, and combustion chamber 15 provides requisite space for air and coal gas Thorough combustion, plays the effect of anti-anti-avulsion fire simultaneously, and its degree of depth and width are determined by the flame characteristics required.Being lighted a fire by ignitor 2 can gaseous mixture in ignition combustion room 15.The below of nozzle plate 13 is provided with up-small and down-big gradual shrinkage cavity 16, and gradual shrinkage cavity 16 is communicated with uncovered plenum chamber 5, and the effect of gradual shrinkage cavity 16 is reallocated to the gaseous mixture that uncovered plenum chamber 5 is come.
Uncovered plenum chamber 5 is up big and down small structures, is entered in uncovered plenum chamber 5 after air and coal gas mixing by gaseous mixture pipeline 7.The inside of uncovered plenum chamber 5 is provided with pneumatic panel 6, and pneumatic panel 6 is provided with the passage corresponding with nozzle holes 23.The effect of pneumatic panel 6 is the sky combustion gaseous mixture uniform distributions on the length direction of nozzle plate 13 to coming from gaseous mixture pipeline 7, ensures the flame characteristics uniformity in the longitudinal direction of nozzle plate 13.
Be communicated with gaseous mixture pipeline 7 bottom uncovered plenum chamber 5, gaseous mixture pipeline 7 is connected with blender 8, and blender 8 is provided with air inlet 9 and gas inlet 10.Adopt blender 8 to carry out air and coal gas premix, ensure that the mixing uniformity of space gas.
Further, the upper end of the long side of nozzle plate 13 is provided with spout baffle plate 12, and the lower end of long side is provided with bending plate 14, and the two ends of spout baffle plate 12 and bending plate 14 are sealed by spout end plate 3.Combustion chamber 15 is surrounded by spout baffle plate 12 and spout end plate 3, and gradual shrinkage cavity 16 is surrounded by bending plate 14 and spout end plate 3.Nozzle plate 13 and two panels spout baffle plate 12 can adopt continuous sealing to be welded and fixed, and ensure that form a sleeve configuration spout, the width of spout is determined according to the flame width of technological requirement between the two in 90 ° of angles.Nozzle plate 13 and bending plate 14 can adopt continuous welding to fix, spout end plate 3 is fixed with spout baffle plate 12 and bending plate 14 continuous welding, shut by the end face of sleeve configuration spout and bending plate 14, the combustion chamber 15 of a sleeve configuration band porous spout is formed at top, and a gradual shrinkage cavity 16 is formed at bottom.
Uncovered plenum chamber 5 is the structure of steel plate butt welding more than, and the accurate excision forming of front and back deformed steel flats, welds with sidepiece two block length bar steel plate continuous sealing.Uncovered plenum chamber 5 bottom is connected with the little steel plate boxing of opening circular hole in the middle part of in the of, and form mixed gas inlet, this mixed gas inlet steel plate and gaseous mixture pipeline 7 adopt boxing to be tightly connected.The bottom of gradual shrinkage cavity 16 is provided with spout base plate 4, and preferably, two pieces of spout base plate 4 seal weldings of the breach on the downside of the two ends of gradual shrinkage cavity 16 are fixed, and ensure the air-tightness of whole uncovered plenum chamber 5 and gradual shrinkage cavity 16.
Further, spout end plate 3 is provided with electrode installing plate 1, and ignitor 2 is arranged on electrode installing plate 1.Electrode installing plate 1 is provided with electrode mounting hole, and after ignitor 2 is penetrated by electrode mounting hole, the end of ignitor 2 is positioned spout end plate 3 upper end, ensures sparking effect.
As shown in Figure 4, further, air inlet 9 is communicated with air pipe line 22, and air pipe line 22 is provided with air hand valve 21.Gas inlet 10 is communicated with gaspipe line 19, and gaspipe line 19 is provided with coal gas hand valve 26 and electromagnetic valve 20.By air hand valve 21 and coal gas hand valve 26 adjustable space gas flow and proportioning, to reach more satisfactory combustion efficiency.
As shown in Figure 5, further, ignitor 2 is also connected with flame detecting device 25 and high voltage package 24, and flame detecting device 25 is connected with controller 18 with high voltage package 24, and electromagnetic valve 20 is also connected with controller 18.
In a preferred embodiment, controller 18 loads 220V voltage on same ignitor 2, whether flame detecting device 25 is detected between the end of ignitor 2 and spout baffle plate 12 by the mode of ion detection and stabilizes the flame, if any stabilizing the flame, then can form a closed circuit, return one to controller 18 simultaneously and detect current value, realize the automatic detection function of flame.
First air hand valve 21 is adjusted to correct position before apparatus of the present invention igniting, when ignition order received by controller 18, controlling high voltage package 24 electric discharge makes ignitor 2 strike sparks, electromagnetic valve 20 simultaneously on gaspipe line 19 is opened, coal gas passes into combustion chamber 15, with the combustion air mixed combustion passing into combustion chamber 15 always, after flame stabilization, return detection electric current by ignitor 2 and flame detecting device 25.When controller 18 receives misfire signals, close the electromagnetic valve 20 on gaspipe line 19, fray-out of flame, combustion air continues to pass into the effect playing cooling protection.The present invention can obtain a kind of special strip flame, while relatively high power burning can be realized, ensure rigidity and the stability of flame, flame possesses good uniformity consistency on the length direction of combustion chamber 15, and remote impulse can be realized control to ensure the accurately adjustable of heating-up temperature, therefore can be widely used in the low-temperature heat that needs to carry out pulse burning control technique and Field of Heat-treatment.
As shown in Figure 1, further, blender 8 is also provided with the first pressure-tapping nozzle installing hole and pressure-tapping nozzle installing hole for subsequent use.Be provided with pressure-tapping nozzle 17 in first pressure-tapping nozzle installing hole, pressure-tapping nozzle 17 is connected with air gauge, for detecting air pressure.In pressure-tapping nozzle installing hole for subsequent use, plug 11 is installed.
Further, gaseous mixture pipeline 7 comprises two straight tubes and elbow, and two straight tubes are connected with blender 8 and uncovered plenum chamber 5 respectively.Two straight tubes are mutually vertical and connected by elbow, and preferably, straight tube can be connected by the mode of welding with bend pipe.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (9)
1. an automatic ignition linear burner, is characterized in that, comprises ignitor (2), nozzle plate (13), uncovered plenum chamber (5), pneumatic panel (6), gaseous mixture pipeline (7) and blender (8);
Described nozzle plate (13) is provided with multiple nozzle holes (23), the top of described nozzle plate (13) is provided with the combustion chamber (15) of sleeve configuration, the below of described nozzle plate (13) is provided with up-small and down-big gradual shrinkage cavity (16), described gradual shrinkage cavity (16) is communicated with described uncovered plenum chamber (5), the inside of described uncovered plenum chamber (5) is provided with pneumatic panel (6), and described pneumatic panel (6) is provided with the passage corresponding with described nozzle holes (23);
Described uncovered plenum chamber (5) bottom is communicated with described gaseous mixture pipeline (7), and described gaseous mixture pipeline (7) is connected with described blender (8), and described blender (8) is provided with air inlet (9) and gas inlet (10);
By the gaseous mixture of the air in described ignitor (2) ignition combustion room (15) and coal gas.
2. automatic ignition linear burner according to claim 1, it is characterized in that, the upper end of the long side of described nozzle plate (13) is provided with spout baffle plate (12), the lower end of long side is provided with bending plate (14), the two ends of described spout baffle plate (12) and described bending plate (14) are by spout end plate (3) sealing, described combustion chamber (15) is surrounded by described spout baffle plate (12) and spout end plate (3), and described gradual shrinkage cavity (16) is surrounded by described bending plate (14) and spout end plate (3).
3. automatic ignition linear burner according to claim 2, it is characterized in that, described spout end plate (3) is provided with electrode installing plate (1), described ignitor (2) is arranged on described electrode installing plate (1), and the end of described ignitor (2) is positioned at described spout end plate (3) upper end.
4. automatic ignition linear burner according to claim 1, is characterized in that, the bottom of described gradual shrinkage cavity (16) is provided with spout base plate (4).
5. automatic ignition linear burner according to claim 1, is characterized in that, described air inlet (9) is communicated with air pipe line (22), and described air pipe line (22) is provided with air hand valve (21).
6. automatic ignition linear burner according to claim 1, is characterized in that, described gas inlet (10) is communicated with gaspipe line (19), and described gaspipe line (19) is provided with coal gas hand valve (26) and electromagnetic valve (20).
7. automatic ignition linear burner according to claim 6, it is characterized in that, described ignitor (2) is also connected with flame detecting device (25) and high voltage package (24), described flame detecting device (25) is connected with controller (18) with high voltage package (24), and described electromagnetic valve (20) is also connected with described controller (18).
8. automatic ignition linear burner according to claim 1, it is characterized in that, described blender (8) is also provided with the first pressure-tapping nozzle installing hole and pressure-tapping nozzle installing hole for subsequent use, in described first pressure-tapping nozzle installing hole, pressure-tapping nozzle (17) is installed, described pressure-tapping nozzle (17) is connected with air gauge, is provided with plug (11) in described pressure-tapping nozzle installing hole for subsequent use.
9. automatic ignition linear burner according to claim 2, is characterized in that, the angle between described nozzle plate (13) and spout baffle plate (12) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306440.5A CN103343971B (en) | 2013-07-19 | 2013-07-19 | Automatic ignition linear type combustor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306440.5A CN103343971B (en) | 2013-07-19 | 2013-07-19 | Automatic ignition linear type combustor |
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| Publication Number | Publication Date |
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| CN103343971A CN103343971A (en) | 2013-10-09 |
| CN103343971B true CN103343971B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310306440.5A Expired - Fee Related CN103343971B (en) | 2013-07-19 | 2013-07-19 | Automatic ignition linear type combustor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486590A (en) * | 2013-10-11 | 2014-01-01 | 中冶南方(武汉)威仕工业炉有限公司 | Vacant air and gas mixer suitable for nozzle |
| CN103591581B (en) * | 2013-11-15 | 2015-11-18 | 中冶南方(武汉)威仕工业炉有限公司 | Automatic ignition multicell combined type flat heating device |
| CN105441613B (en) * | 2014-08-29 | 2017-10-31 | 宝山钢铁股份有限公司 | A kind of collection and treatment device and its collection processing method of blast furnace crucibe leakage gas |
| CN107300172A (en) * | 2017-08-17 | 2017-10-27 | 上海钜荷热力技术有限公司 | A kind of full premix surface combustion burner with multi-point spark and detecting system |
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| CN101165401A (en) * | 2006-10-18 | 2008-04-23 | 裕富宝厨具设备（深圳）有限公司 | Pre-mixing type combustion apparatus |
| CN102679352A (en) * | 2012-05-05 | 2012-09-19 | 中冶南方(武汉)威仕工业炉有限公司 | Flat-flame nozzle with automatic ignition and flame detection device |
| CN202501467U (en) * | 2012-02-08 | 2012-10-24 | 西安拓沃能动科技有限公司 | Fully-premixed automatic ignition nozzle |
| CN203454144U (en) * | 2013-07-19 | 2014-02-26 | 中冶南方(武汉)威仕工业炉有限公司 | Automatic ignition linear burner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3702057B2 (en) * | 1996-11-29 | 2005-10-05 | 三洋電機株式会社 | Original mixed surface flame burner |
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2013
- 2013-07-19 CN CN201310306440.5A patent/CN103343971B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165401A (en) * | 2006-10-18 | 2008-04-23 | 裕富宝厨具设备（深圳）有限公司 | Pre-mixing type combustion apparatus |
| CN202501467U (en) * | 2012-02-08 | 2012-10-24 | 西安拓沃能动科技有限公司 | Fully-premixed automatic ignition nozzle |
| CN102679352A (en) * | 2012-05-05 | 2012-09-19 | 中冶南方(武汉)威仕工业炉有限公司 | Flat-flame nozzle with automatic ignition and flame detection device |
| CN203454144U (en) * | 2013-07-19 | 2014-02-26 | 中冶南方(武汉)威仕工业炉有限公司 | Automatic ignition linear burner |
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| CN103343971A (en) | 2013-10-09 |
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Granted publication date: 20150513 Termination date: 20160719 |