CN103343971A - Automatic ignition linear burner - Google Patents
Automatic ignition linear burner Download PDFInfo
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- CN103343971A CN103343971A CN2013103064405A CN201310306440A CN103343971A CN 103343971 A CN103343971 A CN 103343971A CN 2013103064405 A CN2013103064405 A CN 2013103064405A CN 201310306440 A CN201310306440 A CN 201310306440A CN 103343971 A CN103343971 A CN 103343971A
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- linear burner
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 239000003034 coal gas Substances 0.000 claims abstract description 15
- 239000008246 gaseous mixture Substances 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 9
- 238000003466 welding Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention relates to an automatic ignition linear burner, which comprises an ignition electrode (2), a nozzle plate (13), an open gas collection box (5), a gas distribution plate (6), a mixed gas pipeline (7) and a mixer (8); a plurality of nozzle holes (23) are arranged on the nozzle plate (13), a long and narrow combustion chamber (15) is arranged above the nozzle plate (13), a tapered cavity (16) with a small top and a big bottom is arranged below the nozzle plate (13), and a gas distribution plate (6) is arranged inside the open gas collection box (5); the bottom of the open gas collection box (5) is communicated with a mixed gas pipeline (7), and the mixed gas pipeline (7) is connected with a mixer (8). The invention can ensure that air and coal gas are uniformly mixed on a shorter pipeline, realize higher-power combustion, ensure the rigidity and stability of flame, and ensure the uniformity of the flame in the length direction of the combustor.
Description
Technical field
The present invention relates to the automatic igniting linear burner in a kind of fuel gas buring and low-temperature bake, dry field.
Background technology
The line style burner is a kind of novel burner that adopts premixed combustion technology.Since coming out, be widely used at industrial circle, generally be applied to the lower occasion of heated object target heating-up temperature, all use the logical heating apparatus of the band steel before the entry loop of typical applications such as large-size horizontal continuous annealing furnace, outlet kink and the crimping machine to some extent as fields such as environment heating, air circulation heating, workpiece heating, industrial packaging, welding.Single burner rating generally between 10～200kW, can carry out the 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 premixed combustion technology, air and combustion gas elder generation premix, after-combustion.The general straight-through mode of mixing of air and gaspipe line that adopts is carried out premix, needs one section long gaseous mixture pipeline to guarantee mixing uniformity after the mixing; General linear burner adopts the manual ignition mode to light a fire, and is not with flame to detect, and has perhaps adopted the electronic ignition technology but can't realize that flame continues to monitor, and namely can't realize long-range pulse-combustion control; General linear burner is when the burning high heating value gas, and gaseous mixture ejection flow velocity is lower, and burner rating is less than normal, and flame rigidity and flame holding are relatively poor; General linear burner can only be on relatively short length (burner length is less than 700mm) guarantee the uniformity of flame shape, produce easily after burner length lengthens that flame height is inconsistent, the defective of local instability.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of automatic igniting linear burner is provided, can guarantee that air and coal gas mix at short pipeline, when realizing more high-power burning, guarantee the rigidity and stability of flame, and can guarantee the uniformity consistency of flame on the burner length direction.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of automatic igniting linear burner, comprise ignitor, nozzle plate, uncovered plenum chamber, pneumatic panel, gaseous mixture pipeline and blender; Described nozzle plate is provided with a plurality of 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; Described uncovered plenum chamber bottom is communicated with described gaseous mixture pipeline, and described gaseous mixture pipeline is connected with described blender, and described blender is provided with air inlet and gas inlet; By the indoor air of described ignitor ignition combustion and the gaseous mixture of coal gas.
In automatic igniting linear burner of the present invention, the upper end of the long side of described nozzle plate is provided with the 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 by the sealing of 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 igniting linear burner of the present invention, described spout end plate is provided with the electrode installing plate, and described ignitor is installed on the described electrode installing plate, and the end of described ignitor is positioned at described spout end plate upper end.
In automatic igniting linear burner of the present invention, the bottom of described gradual shrinkage cavity is provided with the spout base plate.
In automatic igniting 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 igniting 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 igniting linear burner of the present invention, described ignitor also is connected with high voltage package with flame detecting device, and described flame detecting device is connected with controller with high voltage package, and described electromagnetic valve also is connected with described controller.
In automatic igniting linear burner of the present invention, also be provided with the first pressure mouth installing hole and standby pressure mouth installing hole on the described blender, in the described first pressure mouth installing hole pressure mouth is installed, described pressure mouth is connected with air gauge, in the described standby pressure mouth installing hole plug is installed.
In automatic igniting linear burner of the present invention, the angle between described nozzle plate and the spout baffle plate is 90 °.
Implement automatic igniting linear burner of the present invention, have following beneficial effect:
1, the present invention adopts blender to carry out air and coal gas premix, has guaranteed the mixing uniformity of air and coal gas;
2, the nozzle plate of sleeve configuration and combustion chamber can guarantee burner in more high-power burning, obtain a stable line style rigidity flame, have strengthened to add thermal effect, guarantee the rigidity and stability of flame;
3, air and coal gas enter in the uncovered plenum chamber by the gaseous mixture pipeline after mixing, and pneumatic panel is realized gaseous mixture uniform distribution on the length direction of combustion chamber, and the gradual shrinkage cavity is reallocated to gaseous mixture, has improved the uniformity of flame height.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is light a fire the automatically structural representation of linear burner of the present invention;
Fig. 2 is light a fire the automatically side view of linear burner of the present invention;
Fig. 3 is the vertical view of combustion chamber;
Fig. 4 is light a fire the automatically structural representation of another embodiment of linear burner of the present invention;
Fig. 5 is light a fire the automatically control principle schematic diagram of linear burner of the present invention.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present invention in detail.
As shown in Figure 1-Figure 3, automatic igniting 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.
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 fully burn, and plays the effect of anti-anti-avulsion fire simultaneously, and its degree of depth and width are by the flame characteristics decision that requires.By the gaseous mixture of ignitor 2 igniting in can ignition combustion chamber 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 that the gaseous mixture that uncovered plenum chamber 5 is come is reallocated.
Uncovered plenum chamber 5 is up big and down small structures, and air and coal gas mix the back and enters in the uncovered plenum chamber 5 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 to sky combustion gaseous mixture uniform distribution on the length direction of nozzle plate 13 of coming from gaseous mixture pipeline 7, guarantees the flame characteristics uniformity in the longitudinal direction of nozzle plate 13.
Uncovered plenum chamber 5 bottoms are communicated with gaseous mixture pipeline 7, and 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, guaranteed 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 by 3 sealings of spout end plate.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 spout baffle plates 12 can adopt continuous seal welding to fix, and guarantee to be 90 ° of angles between the two, form a sleeve configuration spout, and the width of spout is determined according to the flame width of technological requirement.Nozzle plate 13 can adopt continuous welding to fix with bending plate 14, spout end plate 3 is fixed with spout baffle plate 12 and bending plate 14 continuous weldings, the end face of sleeve configuration spout and bending plate 14 is shut, and the combustion chamber 15 of a sleeve configuration band porous spout is formed at top, and a gradual shrinkage cavity 16 is formed at the bottom.
Uncovered plenum chamber 5 is the welding of steel plate more than a structure, and deformed steel flats accurate excision forming in front and back is with the continuous seal welding of sidepiece two block length bar steel plates.Uncovered plenum chamber 5 bottoms are connected with the little steel plate boxing that circular hole is opened at a middle part, form mixed gas inlet, and 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 preferred, the breach of the two ends downside of gradual shrinkage cavity 16 is fixed with two spout base plate 4 seal weldings, guarantees 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 installed on the electrode installing plate 1.Electrode installing plate 1 is provided with electrode mounting hole, and after ignitor 2 penetrated by electrode mounting hole, the end of ignitor 2 was positioned spout end plate 3 upper ends, guarantees the 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.Can adjust space gas flow and proportioning by air hand valve 21 and coal gas hand valve 26, to reach more satisfactory combustion efficiency.
As shown in Figure 5, further, ignitor 2 also is connected with high voltage package 24 with flame detecting device 25, and flame detecting device 25 is connected with controller 18 with high voltage package 24, and electromagnetic valve 20 also is connected with controller 18.
In a preferred embodiment, controller 18 loads 220V voltage at same ignitor 2, the mode of flame detecting device 25 by ion detection detects between the end of ignitor 2 and the spout baffle plate 12 whether the retention flame is arranged, if any the retention flame, then can form a closed circuit, return one to controller 18 simultaneously and detect current value, realize the automatic measuring ability of flame.
Earlier air hand valve 21 is transferred to correct position before apparatus of the present invention igniting, when controller 18 is received ignition order, 24 discharges of control high voltage package make ignitor 2 sparkings, electromagnetic valve 20 on the gaspipe line 19 is opened simultaneously, coal gas feeds combustion chamber 15, with the combustion air mixed combustion that feeds combustion chamber 15 always, return the detection electric current by ignitor 2 and flame detecting device 25 behind the flame stabilization.When controller 18 receives flame-out signal, close the electromagnetic valve 20 on the gaspipe line 19, fray-out of flame, combustion air continues to feed the effect of playing cooling protection.The present invention can obtain a kind of special strip flame, when can realize more high-power burning, guarantee the rigidity and stability of flame, 15 length direction possesses the good homogeneous uniformity to flame in the combustion chamber, and can realize that long-range pulse controls to guarantee the accurately adjustable of heating-up temperature, therefore can be widely used in to carry out low-temperature heat and the heat treatment field of pulse-combustion control.
As shown in Figure 1, further, also be provided with the first pressure mouth installing hole and standby pressure mouth installing hole on the blender 8.In the first pressure mouth installing hole pressure mouth 17 is installed, pressure mouth 17 is connected with air gauge, for detection of air pressure.In the standby pressure mouth installing hole plug 11 is installed.
Further, gaseous mixture pipeline 7 comprises two straight tubes and elbow, and two straight tubes are connected with uncovered plenum chamber 5 with blender 8 respectively.Two straight tubes vertically and by elbow connect mutually, and are preferred, and 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 the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (9)
1. the linear burner of lighting a fire automatically 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 a plurality of 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 air in described ignitor (2) the ignition combustion chamber (15) and the gaseous mixture of coal gas.
2. automatic igniting 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 igniting 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 installed on the described electrode installing plate (1), and the end of described ignitor (2) is positioned at described spout end plate (3) upper end.
4. automatic igniting 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 igniting 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 igniting 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 igniting linear burner according to claim 6, it is characterized in that, described ignitor (2) also is connected with high voltage package (24) with flame detecting device (25), described flame detecting device (25) is connected with controller (18) with high voltage package (24), and described electromagnetic valve (20) also is connected with described controller (18).
8. automatic igniting linear burner according to claim 1, it is characterized in that, also be provided with the first pressure mouth installing hole and standby pressure mouth installing hole on the described blender (8), in the described first pressure mouth installing hole pressure mouth (17) is installed, described pressure mouth (17) is connected with air gauge, in the described standby pressure mouth installing hole plug (11) is installed.
9. automatic igniting linear burner according to claim 1 is characterized in that, the angle between described nozzle plate (13) and the 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 burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310306440.5A CN103343971B (en) | 2013-07-19 | 2013-07-19 | Automatic ignition linear burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103343971A true CN103343971A (en) | 2013-10-09 |
| CN103343971B CN103343971B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310306440.5A Expired - Fee Related CN103343971B (en) | 2013-07-19 | 2013-07-19 | Automatic ignition linear burner |
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| Country | Link |
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Cited By (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 | Air-gas mixer suitable for burner |
| CN103591581A (en) * | 2013-11-15 | 2014-02-19 | 中冶南方(武汉)威仕工业炉有限公司 | Automatic ignition multi-unit combined flat plate heating device |
| CN105441613A (en) * | 2014-08-29 | 2016-03-30 | 宝山钢铁股份有限公司 | Blast furnace hearth leaked coal gas collecting and processing apparatus and collecting and processing method thereof |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160123A (en) * | 1996-11-29 | 1998-06-19 | Sanyo Electric Co Ltd | Initial mixing type planar flame burner |
| 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 |
-
2013
- 2013-07-19 CN CN201310306440.5A patent/CN103343971B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10160123A (en) * | 1996-11-29 | 1998-06-19 | Sanyo Electric Co Ltd | Initial mixing type planar flame burner |
| 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 |
Cited By (5)
| 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 | Air-gas mixer suitable for burner |
| CN103591581A (en) * | 2013-11-15 | 2014-02-19 | 中冶南方(武汉)威仕工业炉有限公司 | Automatic ignition multi-unit combined flat plate heating device |
| 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 multi-unit combined flat plate heating device |
| CN105441613A (en) * | 2014-08-29 | 2016-03-30 | 宝山钢铁股份有限公司 | Blast furnace hearth leaked coal gas collecting and processing apparatus and collecting and processing method thereof |
| 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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| Publication number | Publication date |
|---|---|
| CN103343971B (en) | 2015-05-13 |
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Granted publication date: 20150513 Termination date: 20160719 |