CN103912875A - Adjustable premixing type gas nozzle and method - Google Patents
Adjustable premixing type gas nozzle and method Download PDFInfo
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- CN103912875A CN103912875A CN201310021599.2A CN201310021599A CN103912875A CN 103912875 A CN103912875 A CN 103912875A CN 201310021599 A CN201310021599 A CN 201310021599A CN 103912875 A CN103912875 A CN 103912875A
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- air hose
- fixed support
- mixing tube
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- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
Provided are an adjustable premixing type gas nozzle and method. A plug 17 is arranged at the front end of a gas pipe 19, a plurality of gas outlets 18 are arranged at one end of the front end of the gas pipe 19 close to the plug 17, a second fixing support 9 is arranged at the position of the gas pipe 19 close to the gas outlets 18, a connecting disc b21 is arranged at one end of the tail end of the gas pipe 19, a gas nozzle 7 is arranged at the front end of a mixing pipe 16, a first fixed support 5 is arranged at one end of the mixing pipe 16 close to the gas nozzle 7, an auxiliary air port 15 is arranged at one end of the mixing pipe 16 close to a flange b22, a connecting disc a12 is arranged at one end of the mixing pipe 16 close to the secondary air port 15, and a main air port 4 is arranged at one end of the adjustable air pipe 3 close to a flange a13. A front section of the adjustable air pipe 3 is sleeved with an air pipe 2, and the air pipe 2 is fixed on a kiln wall 1 through an expansion bolt 23 and a fastening steel plate 24 fixedly arranged on a tail section.
Description
Technical field:
The present invention is specifically related to a kind of adjustable premix gas burner and method, belongs to the field of combustion technology of kiln, is adapted to the burn application of refractory material.
Background technology:
Known to inventor, the domestic burner using for refractory material sintering process is diffusion type burning at present, and conventional diffusion type burning is that combustion-supporting gas and the burning of mixing limit, combustion gas limit have several shortcomings; First causes the surplus of combustion-supporting gas owing to mixing bad meeting, and the temperature that has improved smoke evacuation strengthens kiln thermal loss.Second can not fully burn combustion gas because mixing is bad has caused fuel surplus, has therefore wasted fuel.On the other hand, the burner using for refractory material sintering process is all installed with fixed position, and the burner on conventional burner has a segment distance apart from tunnel cave interior wall within the walls at the kiln of tunnel cave, just farther apart from sinter.The working method of the burner on existing designed combustion device is under thermal-radiating condition, to carry out sintering by external flame, simultaneously maximum temperature position on kiln wall not at agglomerate bodies, interior kiln wall and sinter are by radiation delivery part heat energy, it not flame direct sintering, so the crater of kiln wall is because of sintering warpage especially severe in concrete operations, in addition kiln within the walls temperature be to have wasted fuel higher than agglomerate bodies temperature.
Summary of the invention:
Object of the present invention is exactly in order to overcome above-mentioned defect, provides one can make combustion-supporting gas and combustion gas fully mix, and can make combustion-supporting gas, combustion gas and combustion flame rationally utilize and high adjustable premix gas burner and the method for efficiency of combustion.
The present invention realizes according to following technical scheme.Described adjustable premix gas burner and method, it is characterized in that arranging a Gas Pipe 19, be provided with plug 17 at the front end of Gas Pipe 19, the front end of Gas Pipe 19 is near being provided with multiple gas outlets 18 on plug 17 one end, Gas Pipe 19 is provided with the second fixed support 9 near gas outlet 18 places, on the second fixed support 9, be evenly provided with multiple fumaroles 10, tail end one end of Gas Pipe 19 is provided with terminal pad-b21, terminal pad-b21 is fastenedly connected by flange plate bolt-b20 and the ring flange-b22 that is fixed on mixing tube 16 ends, the front end of mixing tube 16 is provided with fuel burner nozzle 7, on fuel burner nozzle 7, be provided with multiple mixed gas outlets 6, mixing tube 16 is provided with the first fixed support 5 near fuel burner nozzle 7 one end, on the first fixed support 5, be evenly provided with multiple air outlet slits 8, mixing tube 16 is provided with time air port 15 near ring flange-b22 one end, mixing tube 16 is provided with terminal pad-a12 near time 15 one end, air port, on terminal pad-a12, be provided with flame-observing hole 14, terminal pad-a12 is fastenedly connected by flange plate bolt-a11 and the ring flange-a13 that is fixed on adjustable air hose 3 ends, adjustable air hose 3 is provided with main air port 4 near ring flange-a13 one end, the leading portion of adjustable air hose 3 is set in air hose 2, air hose 2 is fixed on kiln wall 1 by the fastening steel plate 24 use expansion bolts 23 that are fixedly installed on latter end.
Adjustable premix gas burner of the present invention and method, that Gas Pipe is passed through in combustion gas, combustion gas is sprayed from gas outlet, combustion gas and combustion-supporting gas mix in advance at mixing tube, then make gaseous mixture spray from fuel burner nozzle, fuel burner nozzle, to flame in tunnel cave, has been realized tunnel cave to firing the sintering of thing, comprises; Air hose, adjustable air hose, fixed support, Gas Pipe, fuel burner nozzle, in kiln, interlock is flexible, can make combustion flame move any position in kiln, for the sinter in kiln provides required sintering temperature.
Adjustable premix gas burner of the present invention and method, have and improved significantly sintering quality and sintering velocity, can correctly meet kiln temperature constant, be implemented in refractory material sintering process, effectively utilize the flame of fuel burner nozzle, reduce the consumption of fuel, the advantage of efficient energy-saving.
Accompanying drawing explanation:
Accompanying drawing 1 is adjustable premix gas burner structure chart
Wherein: 1. kiln wall, 2. air hose, 3. adjustable air hose, 4. main air port, 5. the first fixed support, 6. mixed gas outlet, 7. fuel burner nozzle, 8. air outlet slit, 9. the second fixed support, 10. fumarole, 11. flange plate bolts-a, 12. terminal pads-a, 13. ring flanges-a, 14. flame-observing holes, 15. air ports, 16. mixing tubes, 17. plugs, 18. gas outlets, 19. Gas Pipe, 20. flange plate bolts-b, 21. terminal pads-b, 22. ring flanges-b, 23. expansion bolts, 24. fastening steel plates.
The specific embodiment;
The adjustable premix gas burner of the present invention and the method specific embodiment as shown in Figure 1, it is characterized in that arranging a Gas Pipe 19, be provided with plug 17 at the front end of Gas Pipe 19, the front end of Gas Pipe 19 is near being provided with multiple gas outlets 18 on plug 17 one end, Gas Pipe 19 is provided with the second fixed support 9 near gas outlet 18 places, on the second fixed support 9, be evenly provided with multiple fumaroles 10, tail end one end of Gas Pipe 19 is provided with terminal pad-b21, terminal pad-b21 is fastenedly connected by flange plate bolt-b20 and the ring flange-b22 that is fixed on mixing tube 16 ends, the front end of mixing tube 16 is provided with fuel burner nozzle 7, on fuel burner nozzle 7, be provided with multiple mixed gas outlets 6, mixing tube 16 is provided with the first fixed support 5 near fuel burner nozzle 7 one end, on the first fixed support 5, be evenly provided with multiple air outlet slits 8, mixing tube 16 is provided with time air port 15 near ring flange-b22 one end, mixing tube 16 is provided with terminal pad-a12 near time 15 one end, air port, on terminal pad-a12, be provided with flame-observing hole 14, terminal pad-a12 is fastenedly connected by flange plate bolt-a11 and the ring flange-a13 that is fixed on adjustable air hose 3 ends, adjustable air hose 3 is provided with main air port 4 near ring flange-a13 one end, the leading portion of adjustable air hose 3 is set in air hose 2, air hose 2 is fixed on kiln wall 1 by the fastening steel plate 24 use expansion bolts 23 that are fixedly installed on latter end.
In the present invention, for make fuel gas buring fully, the Gas Pipe of telling, the air hose of telling, adjustable air hose of telling, the mixing tube of telling are intercommunications, tell air hose and burner hearth is communicated with.
As further implementation column of the present invention, as told in Fig. 1, adjustable air hose 3 of telling is communicated with mixing tube 16 and in air channel, is provided with the first fixed support 5.Can make like this combustion air current amount ratio regulate, make the flame combustion of fuel burner nozzle 7 abundant, flame rigidity is good, the object of minimizing pollutant emission.
As further implementation column of the present invention, as told in Fig. 1, the plug of telling and the setting that leaves certain gap between fuel burner nozzle and expand gradually of telling, thereby reach combustion gas and combustion-supporting gas can mix the object that fully can also regulate flame intensity and flame profile.
In the present invention, for fuel burner nozzle combustion flame is effectively utilized, regulating main air mouth and time air port air inflow are rationally mixed the consumption that can reduce combustion gas to combustion gas.
Claims (7)
1. an adjustable premix gas burner and method, this adjustable premix gas burner arranges a Gas Pipe (19), be provided with plug (17) at the front end of Gas Pipe (19), the front end of Gas Pipe (19) is near being provided with multiple gas outlets (18) on plug (17) one end, Gas Pipe (19) locates to be provided with the second fixed support (9) near gas outlet (18), on the second fixed support (9), be evenly provided with multiple fumaroles (10), tail end one end of Gas Pipe (19) is provided with terminal pad-b (21), terminal pad-b (21) is fastenedly connected by flange plate bolt-b (20) and the ring flange-b (22) that is fixed on mixing tube (16) end, the front end of mixing tube (16) is provided with fuel burner nozzle (7), on fuel burner nozzle (7), be provided with multiple mixed gas outlets (6), mixing tube (16) is provided with the first fixed support (5) near fuel burner nozzle (7) one end, on the first fixed support (5), be evenly provided with multiple air outlet slits (8), mixing tube (16) is provided with time air port (15) near ring flange-b (22) one end, mixing tube (16) is provided with terminal pad-a (12) near time one end, air port (15), on terminal pad-a (12), be provided with flame-observing hole (14), terminal pad-a (12) is fastenedly connected by flange plate bolt-a (11) and the ring flange-a (13) that is fixed on adjustable air hose (3) end, adjustable air hose (3) is provided with main air port (4) near ring flange-a (13) one end, the leading portion of adjustable air hose (3) is set in air hose (2), air hose (2) is fixed on kiln wall (1) by fastening steel plate (24) expansion bolt (23) that is fixedly installed on latter end.
2. adjustable premix gas burner and the method told as claim 1, it is characterized in that the internal diameter of air hose (2) is greater than the external diameter of adjustable air hose (3), the length of air hose (2) is less than the length of adjustable air hose (3), the internal diameter of adjustable air hose (3) is greater than the external diameter of mixing tube (16), the length of adjustable air hose (3) is greater than the length of mixing tube (16), the internal diameter of mixing tube (16) is greater than the external diameter of Gas Pipe (19), the length of mixing tube (16) is greater than the length of Gas Pipe (19).
3. adjustable premix gas burner and the method told as claim 1, the external diameter that it is characterized in that the first fixed support (5) is the same with the internal diameter of adjustable air hose (3), the internal diameter of the first fixed support (5) is the same with the external diameter of mixing tube (16), the center same level line of air outlet slit (8) intersects parallel in a direction, the external diameter of the second fixed support (9) is the same with the internal diameter of mixing tube (16), the internal diameter of the second fixed support (9) is the same with the external diameter of Gas Pipe (19), the center same level line of fumarole (10) intersects parallel in a direction, the external diameter of the first fixed support (5) is greater than the external diameter of the second fixed support (9), the internal diameter of the first fixed support (5) is greater than the second fixed support (9) internal diameter.
4. adjustable premix gas burner and the method told as claim 1, it is characterized in that there is certain gap between plug (17) and fuel burner nozzle (7), the diameter of plug (17) is less than the diameter of fuel burner nozzle (7), the same direction of center same level line of mixed gas outlet (6) tilts, and the central vertical of gas outlet (18) is in the center line of Gas Pipe (19).
5. the concrete implementation method of adjustable premix gas burner and method is; It is characterized in that the setting that has certain gap and expand gradually between plug (17) and fuel burner nozzle (7), can make combustion gas and help combustion gas mixing fully can also regulate flame intensity and flame profile.
6. the premix gas burner of telling as claim 5 and the concrete implementation method of method are; The air inflow that it is characterized in that regulating main air mouth (4) and time air port (15) is rationally mixed the consumption that can reduce combustion gas to combustion gas.
7. the premix gas burner of telling as claim 5 and the concrete implementation method of method are; It is characterized in that adjustable air hose (3), mixing tube (16), fuel burner nozzle (7) and Gas Pipe (19) are synchronously in the upper adjusting of Yao Qiang (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021599.2A CN103912875A (en) | 2013-01-06 | 2013-01-06 | Adjustable premixing type gas nozzle and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310021599.2A CN103912875A (en) | 2013-01-06 | 2013-01-06 | Adjustable premixing type gas nozzle and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103912875A true CN103912875A (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310021599.2A Pending CN103912875A (en) | 2013-01-06 | 2013-01-06 | Adjustable premixing type gas nozzle and method |
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| CN (1) | CN103912875A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03191202A (en) * | 1989-12-16 | 1991-08-21 | Tokyo Gas Co Ltd | Burner for generating low amount of nitrogen oxide of high load for boiler |
| CN101936531A (en) * | 2010-10-22 | 2011-01-05 | 湖南金龙国际铜业有限公司 | Gas nozzle for industrial kiln and distribution method using same |
| CN102141247A (en) * | 2011-04-13 | 2011-08-03 | 中冶京诚工程技术有限公司 | Flame adjusting burner of soaking pit furnace |
| CN102200280A (en) * | 2011-05-25 | 2011-09-28 | 朱复定 | Secondary air premixed gas burner for ceramic kiln |
| CN203068525U (en) * | 2013-01-06 | 2013-07-17 | 梁燕龙 | Adjustable premixing gas burner |
-
2013
- 2013-01-06 CN CN201310021599.2A patent/CN103912875A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03191202A (en) * | 1989-12-16 | 1991-08-21 | Tokyo Gas Co Ltd | Burner for generating low amount of nitrogen oxide of high load for boiler |
| CN101936531A (en) * | 2010-10-22 | 2011-01-05 | 湖南金龙国际铜业有限公司 | Gas nozzle for industrial kiln and distribution method using same |
| CN102141247A (en) * | 2011-04-13 | 2011-08-03 | 中冶京诚工程技术有限公司 | Flame adjusting burner of soaking pit furnace |
| CN102200280A (en) * | 2011-05-25 | 2011-09-28 | 朱复定 | Secondary air premixed gas burner for ceramic kiln |
| CN203068525U (en) * | 2013-01-06 | 2013-07-17 | 梁燕龙 | Adjustable premixing gas burner |
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Application publication date: 20140709 |