CN203240891U - Premixing type combustion device - Google Patents
Premixing type combustion device Download PDFInfo
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- CN203240891U CN203240891U CN 201220616192 CN201220616192U CN203240891U CN 203240891 U CN203240891 U CN 203240891U CN 201220616192 CN201220616192 CN 201220616192 CN 201220616192 U CN201220616192 U CN 201220616192U CN 203240891 U CN203240891 U CN 203240891U
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- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
Disclosed is a premixing type combustion device. The premixing type combustion device is characterized in that a gas nozzle (26) is arranged at the front end of a gas pipe (31); a second fixed support (23) is arranged at one end, close to the gas nozzle (26), of the front end of the gas pipe (31); an air pipe (9) is sleeved outside the gas pipe (31); a primary air port (14) is arranged at one end, close to a ring flange-b (28), of an air pipe wall (13); a mixing pipe (5) is sleeved at the front end of the air pipe (9); a first fixed support (18) is arranged at one end, close to a gas burner (6), of the front end of the mixing pipe (5); a fixed pipe (2) is sleeved outside the mixing pipe (5); a secondary air port (4) is arranged at one end, close to a ring flange-a (20), of a fixed pipe wall (3). The premixing type combustion device has the advantages of energy conservation and high efficiency, and adapts to combustion of various kilns.
Description
Technical field:
The utility model is specifically related to a kind of premixed burner, belongs to the field of combustion technology of kiln, is adapted to the burn application of refractory material.
Background technology:
Known to the inventor, at present the domestic burner that uses for the refractory material sintering process is the diffusion type burning, and diffusion type burning commonly used is that combustion-supporting gas and combustion gas are burnt while mixing several shortcomings are arranged; First owing to mix the surplus that bad meeting causes combustion-supporting gas, and the temperature that has improved smoke evacuation strengthens the kiln thermal loss.Second can not fully burn combustion gas owing to mixing is bad has caused fuel superfluous, therefore wastes fuel.
Summary of the invention:
The purpose of this utility model is exactly in order to overcome defects, provides a kind of combustion-supporting gas and combustion gas are fully mixed, and combustion-supporting gas and combustion gas are rationally utilized and the high premixed burner of efficiency of combustion.
The utility model in order to achieve the above object, premixed burner described in the utility model is characterized in that arranging Gas Pipe 31, front end in Gas Pipe 31 is provided with gas nozzle 26, evenly be provided with a plurality of gas outlets 27 on the gas nozzle wall 25, the tail end of Gas Pipe 31 is provided with combustion gas interface 32, the front end of Gas Pipe 31 is provided with the second fixed support 23 near gas nozzle 26 1 ends, evenly be provided with a plurality of airports 24 on the second fixed support 23, Gas Pipe 31 is fixedly installed terminal pad-b29 near combustion gas interface 32 places, Gas Pipe 31 outer surface covers are shaped with air hose 9, air hose 9 front ends are provided with combining nozzle 10, evenly be provided with a plurality of gaseous mixture spray orifices 12 on the combining nozzle wall 11, air hose 9 tail ends are fixedly installed ring flange-b28, ring flange-b28 and terminal pad-b29 are fastenedly connected with flange plate bolt-b30, air hose tube wall 13 is provided with main air port 14 near ring flange-b28 one end, air hose 9 is provided with terminal pad-a21 at main air port 14 ends, be provided with flame-observing hole 15 on terminal pad-a21, air hose 9 front end sleeves are shaped with mixing tube 5, mixing tube 5 front ends are provided with fuel burner nozzle 6, evenly be provided with a plurality of fumaroles 8 on the burner wall 7, mixing tube 5 front ends are provided with the first fixed support 18 near fuel burner nozzle 6 one ends, evenly be provided with a plurality of air outlet slits 19 on the first fixed support 18, mixing tube 5 outer surface covers are shaped with stationary pipes 2, the leading portion of stationary pipes 2 is fixed in the kiln wall 1, tail end is provided with ring flange-a20, ring flange-a20 is fixedly connected with flange plate bolt-a22 with terminal pad-a21, be provided with time air port 4 at stationary pipes tube wall 3 near ring flange-a20 one end, stationary pipes 2 leading portions are provided with kiln ring flange 17 near kiln wall 1 place, be fixed on the kiln wall wall mouth by kiln ring flange 17 by expansion bolt 16 between stationary pipes 2 and the kiln mouth, the internal diameter of stationary pipes 2 is greater than the external diameter of mixing tube 5, the length of stationary pipes 2 is wider than the length of mixing tube 5, the length of stationary pipes 2 is wider than the width of kiln wall 1, the internal diameter of mixing tube 5 is greater than the external diameter of air hose 9, the length of air hose 9 is wider than the length of mixing tube 5, the internal diameter of air hose 9 is greater than the external diameter of Gas Pipe 31, the length of Gas Pipe 31 is wider than the length of air hose 9, the external diameter of the first fixed support 18 is the same with the internal diameter of stationary pipes 2, the internal diameter of the first fixed support 18 is the same with the external diameter of mixing tube 5, the external diameter of the second fixed support 23 is the same with the internal diameter of air hose 9, the internal diameter of the second fixed support 23 is the same with the external diameter of Gas Pipe 31, the external diameter of the first fixed support 18 and internal diameter are greater than external diameter and the internal diameter of the second fixed support 23, gas nozzle 26, combining nozzle 10, all leave certain gap between the fuel burner nozzle 6, distance between gas nozzle 26 and the combining nozzle 10 is less than the distance between combining nozzle 10 and the fuel burner nozzle 6, the external diameter of gas nozzle 26 is less than the external diameter of combining nozzle 10, the external diameter of combining nozzle 10 is less than the external diameter of fuel burner nozzle 6, gas nozzle wall 25, combining nozzle wall 11, the inwall of burner wall 7, outer wall all is taper, the internal diameter of ring flange-a20 is greater than the internal diameter of ring flange-b28, and the internal diameter of terminal pad-a21 is greater than the internal diameter of terminal pad-b29.
The beneficial effects of the utility model are:
1. the utility model adopts Gas Pipe, air hose, mixing tube, stationary pipes to be set with, and can realize that combustion gas and combustion-supporting gas fully mix.
2. the utility model mixes before adopting combustion gas and combustion-supporting air lift, and then Secondary Air carries out the combustion-supporting length that has lengthened flame and effectively utilizes combustion flame to reduce consumption to fuel, has the advantage of efficient energy-saving.
3. the utility model adopts the air outlet slit and the airport that arrange on the first fixed support, the second fixed support all to tilt, and can make combustion-supporting gas be the eddy flow shape and improve combustion-supporting gas and combustion gas mixing efficient.
4. the utility model adopts the setting of staying certain gap and enlarging gradually between gas nozzle, combining nozzle, the fuel burner nozzle, thereby reaches the purpose of regulating flame intensity and flame profile.
5. the utility model adopts regulating main air mouth and time air port intake, effectively reduces the heat loss that kiln wife combustion gas coefficient of excess reduces kiln.
Description of drawings:
Fig. 1 is premixed burner structure chart;
Among the figure: 1. kiln wall, 2. stationary pipes, 3. stationary pipes tube wall, 4. time air port, 5. mixing tube, 6. fuel burner nozzle, 7. burner wall, 8. fumarole, 9. air hose, 10. combining nozzle, 11. combining nozzle walls, 12. the gaseous mixture spray orifice, 13. air hose tube walls, 14. main air ports, 15. flame-observing hole, 16. expansion bolts, 17. kiln ring flanges, 18. the first fixed support, 19. air outlet slits, 20. ring flanges-a, 21. terminal pad-a, 22. flange plate bolts-a, 23. second fixed supports, 24. airport, 25. gas nozzle walls, 26. gas nozzles, 27. gas outlet, 28. ring flanges-b, 29. terminal pads-b, 30. flange plate bolt-b, 31. Gas Pipe, 32. combustion gas interface.
The specific embodiment
Below in conjunction with accompanying drawing and implementation column the utility model is further described.
As shown in Figure 1, premixed burner described in the utility model, formed by kiln wall 1 and premixed burner, it is characterized in that arranging Gas Pipe 31, front end in Gas Pipe 31 is provided with gas nozzle 26, evenly be provided with a plurality of gas outlets 27 on the gas nozzle wall 25, the tail end of Gas Pipe 31 is provided with combustion gas interface 32, the front end of Gas Pipe 31 is provided with the second fixed support 23 near gas nozzle 26 1 ends, evenly be provided with a plurality of airports 24 on the second fixed support 23, Gas Pipe 31 is fixedly installed terminal pad-b29 near combustion gas interface 32 places, Gas Pipe 31 outer surface covers are shaped with air hose 9, air hose 9 front ends are provided with combining nozzle 10, evenly be provided with a plurality of gaseous mixture spray orifices 12 on the combining nozzle wall 11, air hose 9 tail ends are fixedly installed ring flange-b28, ring flange-b28 and terminal pad-b29 are fastenedly connected with flange plate bolt-b30, air hose tube wall 13 is provided with main air port 14 near ring flange-b28 one end, air hose 9 is provided with terminal pad-a21 at main air port 14 ends, be provided with flame-observing hole 15 on terminal pad-a21, air hose 9 front end sleeves are shaped with mixing tube 5, mixing tube 5 front ends are provided with fuel burner nozzle 6, evenly be provided with a plurality of fumaroles 8 on the burner wall 7, mixing tube 5 front ends are provided with the first fixed support 18 near fuel burner nozzle 6 one ends, evenly be provided with a plurality of air outlet slits 19 on the first fixed support 18, mixing tube 5 outer surface covers are shaped with stationary pipes 2, the leading portion of stationary pipes 2 is fixed in the kiln wall 1, tail end is provided with ring flange-a20, ring flange-a20 is fixedly connected with flange plate bolt-a22 with terminal pad-a21, be provided with time air port 4 at stationary pipes tube wall 3 near ring flange-a20 one end, stationary pipes 2 leading portions are provided with kiln ring flange 17 near kiln wall 1 place, be fixed on the kiln wall wall mouth by kiln ring flange 17 by expansion bolt 16 between stationary pipes 2 and the kiln mouth, the internal diameter of stationary pipes 2 is greater than the external diameter of mixing tube 5, the length of stationary pipes 2 is wider than the length of mixing tube 5, the length of stationary pipes 2 is wider than the width of kiln wall 1, the internal diameter of mixing tube 5 is greater than the external diameter of air hose 9, the length of air hose 9 is wider than the length of mixing tube 5, the internal diameter of air hose 9 is greater than the external diameter of Gas Pipe 31, the length of Gas Pipe 31 is wider than the length of air hose 9, the external diameter of the first fixed support 18 is the same with the internal diameter of stationary pipes 2, the internal diameter of the first fixed support 18 is the same with the external diameter of mixing tube 5, the external diameter of the second fixed support 23 is the same with the internal diameter of air hose 9, the internal diameter of the second fixed support 23 is the same with the external diameter of Gas Pipe 31, the external diameter of the first fixed support 18 and internal diameter are greater than external diameter and the internal diameter of the second fixed support 23, gas nozzle 26, combining nozzle 10, all leave certain gap between the fuel burner nozzle 6, distance between gas nozzle 26 and the combining nozzle 10 is less than the distance between combining nozzle 10 and the fuel burner nozzle 6, the external diameter of gas nozzle 26 is less than the external diameter of combining nozzle 10, the external diameter of combining nozzle 10 is less than the external diameter of fuel burner nozzle 6, gas nozzle wall 25, combining nozzle wall 11, the inwall of burner wall 7, outer wall all is taper, the internal diameter of ring flange-a20 is greater than the internal diameter of ring flange-b28, and the internal diameter of terminal pad-a21 is greater than the internal diameter of terminal pad-b29.
In the utility model, in order to make the abundant of fuel gas buring, described Gas Pipe, described air hose, described mixing tube, described stationary pipes are intercommunications, and described stationary pipes and burner hearth are communicated with.
As further implementation column of the present utility model, as shown in Figure 1, described stationary pipes 2 is communicated with mixing tube 5 and is provided with the first fixed support 18 in the air channel, combustion air current amount ratio is regulated, make the flame combustion of fuel burner nozzle 6 abundant, flame rigidity is good, the purpose of minimizing pollutant emission.
As further implementation column of the present utility model, the setting of staying certain gap between gas nozzle as shown in Figure 1, described combining nozzle, the described fuel burner nozzle and enlarging gradually, thus reach combustion gas and combustion-supporting gas can mix the purpose that fully can also regulate flame intensity and flame profile.
In the utility model, effectively utilize in order to make the fuel burner nozzle combustion flame, regulating main air mouth and time air port air inflow are rationally mixed the consumption that can reduce combustion gas to combustion gas.
Claims (6)
1. premixed burner, it is characterized in that arranging Gas Pipe (31), front end in Gas Pipe (31) is provided with gas nozzle (26), evenly be provided with a plurality of gas outlets (27) on the gas nozzle wall (25), the tail end of Gas Pipe (31) is provided with combustion gas interface (32), the front end of Gas Pipe (31) is provided with the second fixed support (23) near gas nozzle (26) one ends, evenly be provided with a plurality of airports (24) on the second fixed support (23), Gas Pipe (31) locates to be fixedly installed terminal pad-b (29) near combustion gas interface (32), the outer surface cover of Gas Pipe (31) is shaped with air hose (9), air hose (9) front end is provided with combining nozzle (10), evenly be provided with a plurality of gaseous mixture spray orifices (12) on the combining nozzle wall (11), air hose (9) tail end is fixedly installed ring flange-b (28), ring flange-b (28) and terminal pad-b (29) are fastenedly connected with flange plate bolt-b (30), air hose tube wall (13) is provided with main air port (14) near ring flange-b (28) one ends, air hose (9) is provided with terminal pad-a (21) at main air port (14) end, be provided with flame-observing hole (15) on terminal pad-a (21), air hose (9) front end sleeve is shaped with mixing tube (5), mixing tube (5) front end is provided with fuel burner nozzle (6), evenly be provided with a plurality of fumaroles (8) on the burner wall (7), mixing tube (5) front end is provided with the first fixed support (18) near fuel burner nozzle (6) one ends, evenly be provided with a plurality of air outlet slits (19) on the first fixed support (18), the outer surface cover of mixing tube (5) is shaped with stationary pipes (2), the leading portion of stationary pipes (2) is fixed in the kiln wall (1), tail end is provided with ring flange-a (20), ring flange-a (20) is fixedly connected with flange plate bolt-a (22) with terminal pad-a (21), be provided with time air port (4) at stationary pipes tube wall (3) near ring flange-a (20) one ends, stationary pipes (2) leading portion locates to be provided with kiln ring flange (17) near kiln wall (1), is fixed on the kiln wall wall mouth by kiln ring flange (17) by expansion bolt (16) between stationary pipes (2) and the kiln mouth.
2. premixed burner as claimed in claim 1, it is characterized in that the internal diameter of stationary pipes (2) is greater than the external diameter of mixing tube (5), the length of stationary pipes (2) is wider than the length of mixing tube (5), the length of stationary pipes (2) is wider than the width of kiln wall (1), the internal diameter of mixing tube (5) is greater than the external diameter of air hose (9), the length of air hose (9) is wider than the length of mixing tube (5), the internal diameter of air hose (9) is greater than the external diameter of Gas Pipe (31), and the length of Gas Pipe (31) is wider than the length of air hose (9).
3. premixed burner as claimed in claim 1, the external diameter that it is characterized in that the first fixed support (18) is the same with the internal diameter of stationary pipes (2), the internal diameter of the first fixed support (18) is the same with the external diameter of mixing tube (5), the external diameter of the second fixed support (23) is the same with the internal diameter of air hose (9), the internal diameter of the second fixed support (23) is the same with the external diameter of Gas Pipe (31), and the external diameter of the first fixed support (18) and internal diameter are greater than external diameter and the internal diameter of the second fixed support (23).
4. premixed burner as claimed in claim 1, it is characterized in that gas nozzle (26), combining nozzle (10), fuel burner nozzle all leaves certain gap between (6), distance between gas nozzle (26) and the combining nozzle (10) is less than the distance between combining nozzle (10) and the fuel burner nozzle (6), the external diameter of gas nozzle (26) is less than the external diameter of combining nozzle (10), the external diameter of combining nozzle (10) is less than the external diameter of fuel burner nozzle (6), gas nozzle wall (25), combining nozzle wall (11), the inwall of burner wall (7), outer wall all is taper.
5. premixed burner as claimed in claim 1 is characterized in that the diameter of a plurality of gas outlets (27) and less than the internal diameter of combustion gas interface (32), the diameter of gaseous mixture spray orifice (12) is greater than the diameter of gas outlet (27).
6. premixed burner as claimed in claim 1 is characterized in that the internal diameter of ring flange-a (20) greater than the internal diameter of ring flange-b (28), and the internal diameter of terminal pad-a (21) is greater than the internal diameter of terminal pad-b (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616192 CN203240891U (en) | 2012-11-07 | 2012-11-07 | Premixing type combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220616192 CN203240891U (en) | 2012-11-07 | 2012-11-07 | Premixing type combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203240891U true CN203240891U (en) | 2013-10-16 |
Family
ID=49318179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220616192 Expired - Fee Related CN203240891U (en) | 2012-11-07 | 2012-11-07 | Premixing type combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203240891U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808145A (en) * | 2012-11-07 | 2014-05-21 | 梁燕龙 | Premixing type combustion device and method |
-
2012
- 2012-11-07 CN CN 201220616192 patent/CN203240891U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808145A (en) * | 2012-11-07 | 2014-05-21 | 梁燕龙 | Premixing type combustion device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20161107 |