CN210004397U - gas burner - Google Patents
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- CN210004397U CN210004397U CN201920780869.0U CN201920780869U CN210004397U CN 210004397 U CN210004397 U CN 210004397U CN 201920780869 U CN201920780869 U CN 201920780869U CN 210004397 U CN210004397 U CN 210004397U
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Abstract
The utility model relates to a combustion apparatus technical field discloses gas combustion wares, including the combustor organism, still include times burning air distribution system, set up on the combustor organism, times burning air distribution system includes times air regulation apparatus, a plurality of gas shower nozzles, a plurality of gas shower nozzle intervals set up in times burning air distribution system's export, and the clearance between a plurality of gas shower nozzles is used for the combustion-supporting gas through times burning air distribution system delivery, the afterburning air distribution system, encircle and set up in times burning air distribution system's the outside, and with times burning air distribution system axis coincidence, the afterburning air distribution system includes secondary air regulation apparatus 6332 gas combustion ware has not only increased the diameter of burning flame, make flame distribution even, carry out the low-nitrogen combustion, still through times burning air distribution system and afterburning air distribution system's mutual regulation, adjust the flame size, make this gas combustion ware can be suitable for the combustion chamber of multiple pattern and size.
Description
Technical Field
The utility model relates to a combustion apparatus technical field especially relates to gas combustion wares.
Background
At present, common gas burners in the market are all composed of components such as a gas pipe component, a combustion-supporting air pipe component, a gas nozzle, a stable combustion cover, a pilot lamp, a high-energy ignition device, a flame detector, a fire observation hole and the like, and can inject gas and air into a combustion chamber according to required proportion, speed and mixing mode, and enable the gas to be stably and completely combusted in the combustion chamber.
Although the existing gas burner can meet the combustion effect, the size of flame generated by combustion cannot be adjusted, the model gas burner can only adapt to a combustion chamber with a special type and size, but can not adapt to combustion chambers with other sizes and more complicated combustion condition changes, and the universality is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide kinds of gas burner to solve current gas burner burning flame and concentrate, the combustion chamber temperature is inhomogeneous, the high problem of nitrogen oxide emission.
To achieve the purpose, the utility model adopts the following technical proposal:
A gas burner, comprising a burner body, further comprising:
the -time combustion air distribution system is arranged on the burner body, and the -time combustion air distribution system comprises a -time air volume adjusting device;
the gas nozzles are arranged at the outlet of the -time combustion air distribution system at intervals, and gaps among the gas nozzles are used for combustion-supporting gas distributed by the -time combustion air distribution system;
and the secondary combustion air distribution system is arranged on the outer side of the -time combustion air distribution system in a surrounding manner and is superposed with the axis of the -time combustion air distribution system, and the secondary combustion air distribution system comprises a secondary air quantity adjusting device.
Preferably, the -time combustion air distribution system comprises a -time air distribution pipeline, a plurality of gas nozzles are arranged at the tail end of the -time air distribution pipeline, the -time air distribution pipeline is used for distributing direct-flow combustion-supporting gas, and the air distribution quantity of the -time air distribution pipeline is adjusted by the -time air quantity adjusting device.
Preferably, the secondary combustion air distribution system comprises a cyclone and a secondary air distribution pipeline, the cyclone is installed in the secondary air distribution pipeline, the cyclone is in sliding connection with the outer wall of the times air distribution pipeline, the secondary air distribution pipeline is used for distributing swirling combustion-supporting gas, and the air distribution quantity of the secondary air distribution pipeline is adjusted by the secondary air quantity adjusting device.
Preferably, the secondary combustion air distribution system further comprises a secondary combustion air distribution chamber, and the secondary combustion air distribution chamber is communicated with the secondary air distribution pipeline.
Preferably, the secondary air distribution pipeline comprises a large-diameter secondary air distribution pipeline, a middle secondary air distribution pipeline and a small-diameter secondary air distribution pipeline which are sequentially communicated along the flow direction of combustion-supporting gas, the large-diameter secondary air distribution pipeline is communicated with the secondary combustion air distribution chamber, and the swirler is positioned in the large-diameter secondary air distribution pipeline and can slide into the secondary air distribution pipeline so as to adjust the amount of swirl combustion-supporting gas entering the middle secondary air distribution pipeline.
Preferably, the intermediate secondary air distribution pipeline and the swirler are both in a tapered structure, and the taper of the intermediate secondary air distribution pipeline is the same as that of the swirler.
Preferably, the secondary combustion air distribution system further comprises a swirler adjusting pull rod, the end of the swirler adjusting pull rod is connected with the swirler, and the swirler adjusting pull rod can drive the swirler to slide.
Preferably, the gas distribution system comprises a plurality of gas spray pipes, a gas ring chamber and a gas inlet assembly, wherein each gas spray pipe is connected with at least gas spray heads, the plurality of gas spray pipes are arranged in the air distribution pipelines and communicated with the gas ring chamber, and the gas ring chamber is communicated with the gas inlet assembly.
Preferably, the -time combustion air distribution system further comprises a -time combustion air distribution chamber, the -time combustion air distribution chamber is communicated with the -time air distribution pipeline, and the -time air quantity adjusting device is located in the -time combustion air distribution chamber.
Preferably, the combustion-supporting air inlet assembly is further included, and is communicated with the -time combustion air distribution chamber and the secondary combustion air distribution chamber and used for controlling the total amount of combustion-supporting air distributed by the gas burner.
The beneficial effects of the utility model are that this gas burner sets up a plurality of gas shower nozzles through the export interval of the air distribution system that burns times, and the clearance between a plurality of gas shower nozzles lets in combustion-supporting gas, combustion flame's diameter has been increased, make flame distribution even, the temperature of burning flame has been reduced, make flame carry out the low-nitrogen combustion, the formation of control nitrogen oxide, through setting up in times burning air distribution system's the outside with the air distribution system of postcombustion encircleing, the whirl wind that utilizes the air distribution system of postcombustion to distribute reduces combustion temperature, strengthen the heat transfer of combustion chamber, be favorable to nitrogen oxide reduction, realize the low-nitrogen combustion.
This gas burner passes through mutual regulations of burning air distribution system and afterburning air distribution system distribution amount of wind, the rethread swirler slide and adjust afterburning air distribution system through the swirl combustion-supporting gaseous swirl intensity of the whirl of distribution, thereby adjust the burning flame size, make this gas burner can be suitable for the combustion chamber of multiple pattern and size, can be applicable to more complicated operating mode change.
Drawings
Fig. 1 is a cross-sectional view of a swirler of a gas burner positioned in a middle secondary air distribution pipe according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a swirler of a gas burner in a large-diameter secondary air distribution pipeline according to an embodiment of the present invention;
fig. 3 is a left side view of a gas burner according to an embodiment of the present invention;
fig. 4 is a schematic flow diagram of the combustion-supporting gas of the gas burner according to the embodiment of the present invention.
In the figure:
1. a burner body;
2. -time combustion air distribution system, 21-time air quantity adjusting device, -time air distribution device, 22-time air distribution pipeline, -time combustion air distribution chamber, 23-time combustion air distribution chamber and -time combustion air distribution chamber;
3. a gas burner; 31. a gas nozzle; 32. a gas ring chamber; 33. a gas inlet assembly;
41. a secondary air volume adjusting device; 42. a swirler 43 and a secondary air distribution pipeline; 431. a large-diameter secondary air distribution pipeline; 432. a middle secondary air distribution pipeline; 433. a small-diameter secondary air distribution pipeline; 44. a secondary combustion air distribution chamber; 45. a swirler adjusting pull rod;
5. a combustion supporting air inlet assembly;
6. a pneumatic explosion-proof propeller;
7. a flame detector;
8. and 4, fire observation holes.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted and the technical effect achieved by the present invention clearer, the following will combine the drawings to do steps of detailed description on the technical solution of the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the of the present invention, rather than all embodiments.
In the description of the present invention, unless otherwise expressly stated or limited, the terms "connected," "connected," and "fixed" shall be construed , for example, as being fixedly connected, detachably connected, or in body, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, connected between two elements, or interacting between two elements.
In the present disclosure, unless otherwise expressly stated or limited, "above" or "below" a second feature includes features directly contacting the second feature, and may also include features contacting the second feature not directly but through another feature in between, furthermore, features "above", "over" and "on" the second feature include features directly above and obliquely above the second feature, or merely indicate that feature is at a higher level than the second feature, features "below", "beneath" and "under" the second feature include features directly below and obliquely below the second feature, or merely indicate that feature is at a lower level than the second feature.
As shown in fig. 1 to 3, the present embodiment provides gas burners, which include a burner body 1, a -time combustion air distribution system 2, a gas nozzle 3, a secondary combustion air distribution system, a gas distribution system, and a combustion-supporting air inlet assembly 5.
The times of combustion air distribution system 2 is arranged on the combustor body 1, the gas nozzles 3 are arranged in a plurality of numbers, the gas nozzles 3 are arranged on the outlet of the times of combustion air distribution system 2 at intervals, gaps among the gas nozzles 3 are used for combustion-supporting gas distributed by the times of combustion air distribution system 2, the secondary combustion air distribution system is arranged on the outer side of the times of combustion air distribution system 2 in a surrounding mode and coincides with the axis of the times of combustion air distribution system 2, the times of combustion air distribution system 2 and the secondary combustion air distribution system are both connected with the combustion-supporting air inlet assembly 5, and the gas distribution system is connected with the gas nozzles 3 and used for providing gas for the gas nozzles 3.
This embodiment is through the gas shower nozzle 3 that a plurality of intervals set up, can increase the diameter of burning flame, make flame distribution even, reduce flame temperature, make flame carry out the low nitrogen combustion combustion air distribution system 2 and the combustion-supporting gas interact of afterburning air distribution system delivery, can adjust burning flame size, make this gas burner can be suitable for the combustion chamber of multiple pattern and size, can be applicable to more complicated operating mode change.
As shown in fig. 1-2, in this embodiment, the times combustion air distribution system 2 further includes times air distribution pipeline 22 and 0 times combustion air distribution chamber 23, the end of times air distribution pipeline 22 is provided with a plurality of gas nozzles 3, the front end is communicated with times combustion air distribution chamber 23, times air distribution pipeline 22 is used for distributing direct-flow combustion-supporting gas to the gap between the plurality of gas nozzles 3, the original flames are divided into a plurality of small flames, the flame diameter is increased, and the flame length is reduced.
As shown in fig. 1-2, in the present embodiment, the secondary combustion air distribution system includes a cyclone 42, a secondary air distribution duct 43, a secondary combustion air distribution chamber 44 and a cyclone adjustment pull rod 45, as shown in fig. 4, preferably, the secondary air distribution duct 43 includes a large-diameter secondary air distribution duct 431, a middle secondary air distribution duct 432 and a small-diameter secondary air distribution duct 433, the large-diameter secondary air distribution duct 431 is communicated with the secondary combustion air distribution chamber 44, the cyclone 42 is located in the large-diameter secondary air distribution duct 431 and can convert the direct-flow combustion-supporting gas distributed in the secondary air distribution duct 43 into swirling combustion-supporting gas, the cyclone 42 can slide into the middle secondary air distribution duct 432 to adjust the amount of swirling combustion-supporting gas entering the middle secondary air distribution duct 432, the swirling combustion-supporting gas distributed by the secondary combustion air distribution system not only can stabilize flame combustion, but also can reduce combustion temperature, enhance heat exchange of the combustion chamber, and is beneficial for reducing nitrogen oxides as soon as possible, and the end of the secondary air distribution duct 433 opens to the outside of the end secondary air distribution duct 22 for distributing the swirling combustion-supporting gas to the flame.
Preferably, the middle secondary air distribution duct 432 and the swirler 42 are both of a tapered structure, and the taper of the middle secondary air distribution duct 432 is the same as that of the swirler 42, the end of the swirler adjusting pull rod 45 is connected with the swirler 42, the swirler adjusting pull rod 45 can drive the swirler 42 to slide along the outer wall of the -time air distribution duct 22, and the size of the gap between the swirler 42 and the middle secondary air distribution duct 432 is adjusted.
In the present embodiment, a secondary air volume adjusting device 41 is disposed in the secondary combustion air distribution chamber 44 for adjusting the volume of the combustion-supporting gas distributed into the secondary combustion air distribution chamber 44 by the secondary air volume adjusting device 41, preferably, the secondary air volume adjusting device is a secondary air volume adjusting air , and the opening degree of the secondary air volume adjusting air is adjusted by an adjusting air handle with a dial scale, so that the structure is simple and the operation is convenient.
As shown in fig. 1-3, the gas distribution system includes a plurality of gas nozzles 31, a gas ring chamber 32 and a gas inlet assembly 33, each gas nozzle 31 is connected to at least gas nozzles 3, preferably, the number of gas nozzles 31 is equal to the number of gas nozzles 3, each gas nozzle 31 is connected to gas nozzles 3, which not only facilitates control of each gas nozzle 3, but also facilitates disassembly and maintenance of the gas nozzles 31 and the gas nozzles 3, the plurality of gas nozzles 31 are disposed in the times gas distribution pipe 22 and are communicated with the gas ring chamber 32, the gas ring chamber 32 is communicated with the gas inlet assembly 33, the gas ring chamber 32 can ensure that the gas pressure introduced by each gas nozzle 31 is equal, which is favorable for ensuring the same gas supply of each gas nozzle 3 and the same combustion condition of each small flame, preferably, the number of the gas nozzles 3 and the number of the gas nozzles 31 are eight, and are uniformly arranged in the times gas distribution pipe 22 along the circumference, so that the heat dissipation area of the dispersed small flames is larger, and the temperature distribution of the combustion chamber is uniform.
Preferably, the combustion-supporting air inlet assembly 5 is communicated with the times of combustion air distribution chambers 23 and the secondary combustion air distribution chambers 44, and is used for controlling the total amount of combustion-supporting gas distributed by the gas burner, so as to be beneficial to controlling the ratio of the total amount of combustion-supporting gas introduced into the gas burner to the total amount of gas, and ensure that the ratio is within a relatively high ratio range, so that the combustion is sufficient.
In this embodiment, the gas burner further comprises a pneumatic explosion-proof thruster 6, a flame detector 7 and a fire observation hole 8, wherein the pneumatic explosion-proof thruster 6 is mounted on an end plate of the gas burner, the pneumatic explosion-proof thruster 6 can realize the advance and retreat of components such as an explosion-proof ignition gun, an ignition cable, a high-energy igniter and the like on the pneumatic explosion-proof thruster 6 on the gas burner through the movement of a cylinder, the flame detector 7 is an existing type device and can detect the combustion working condition in real time according to the combustion characteristics of flame, denier of the combustion state of the flame does not meet the normal condition or is extinguished, the flame detector 7 gives a signal according to a mode to ensure that the fuel supply is stopped when the flame is extinguished, and the fire observation hole 8 is a hole formed in the end plate of the gas burner.
The operation of the gas burner provided in the present embodiment will be described below.
As shown in FIG. 4, when the gas burner is in operation, gas enters the gas annular chamber 32 through the gas inlet assembly 33 and then enters the eight gas nozzles 31, and then the gas is sprayed out of the gas nozzles 3 and is combusted, combustion-supporting gas enters the gas burner through the combustion-supporting air inlet assembly 5 and then enters the combustion air distribution system 2 and the secondary combustion air distribution system respectively, combustion air distribution system 2 distributes direct-current combustion-supporting gas through gaps among the gas nozzles 3 and performs anoxic combustion with the gas sprayed by the gas nozzles 3 in the combustion zone (located in the combustion chamber used with the gas burner of the present embodiment), and as the oxygen ratio in the zone is relatively small, generation of nitrogen oxides can be inhibited, the secondary combustion air distribution system distributes the combustion-supporting gas to the secondary combustion zone (located in the combustion chamber used with the gas burner of the present embodiment) through the secondary air distribution pipeline 43, so as to reduce the combustion temperature, strengthen heat exchange in the combustion chamber, reduce the nitrogen oxides which are not reduced, and promote incomplete combustion products generated in the combustion zone to be exhausted as soon as possible, thereby realizing low-nitrogen combustion.
In order to make the gas burner suitable for a large-size combustion chamber, under the condition of ensuring that the total amount of combustion-supporting gas introduced into the gas burner is unchanged, times of direct-flow combustion-supporting gas distributed by the combustion air distribution system 2 is increased, the direct-flow combustion-supporting gas passing through the gap between the gas nozzles 3 is increased, so that flames sprayed by the gas nozzles 3 are driven by the direct-flow combustion-supporting gas to extend forwards, meanwhile, the amount of combustion-supporting gas distributed by the secondary combustion air distribution system is reduced, the swirler 42 is driven by the swirler adjusting pull rod 45 to slide relative to the outer wall of the times of air distribution pipeline 22, so that the gap between the swirler 42 and the middle secondary air distribution pipeline 432 is increased, and the swirl strength of the formed swirl combustion-supporting gas is reduced.
In order to make the gas burner suitable for a combustion chamber with a smaller size, under the condition of ensuring that the total amount of combustion-supporting gas introduced into the gas burner is unchanged, the direct-flow combustion-supporting gas distributed by the times of combustion air distribution system 2 is reduced, the direct-flow combustion-supporting gas passing through the gap between the gas nozzles 3 is reduced, so that flames sprayed by the gas nozzles 3 are not easy to extend forwards, meanwhile, the quantity of combustion-supporting gas distributed by the secondary combustion air distribution system is increased, the swirler 42 is driven by the swirler adjusting pull rod 45 to slide relative to the outer wall of the times of air distribution pipeline 22, so that the gap between the swirler 42 and the middle secondary air distribution pipeline 432 is reduced, and the swirl strength of the formed swirl combustion-supporting gas is increased.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1, kind of gas burner, including combustor organism (1), its characterized in that still includes:
the -time combustion air distribution system (2) is arranged on the burner body (1), and the -time combustion air distribution system (2) comprises a -time air volume adjusting device (21);
the multiple gas nozzles (3) are arranged at the outlet of the -time combustion air distribution system (2) at intervals, and gaps among the multiple gas nozzles (3) are used for combustion-supporting gas distributed by the -time combustion air distribution system (2);
and the secondary combustion air distribution system is arranged on the outer side of the -time combustion air distribution system (2) in a surrounding manner and is superposed with the axis of the -time combustion air distribution system (2), and the secondary combustion air distribution system comprises a secondary air volume adjusting device (41).
2. The gas burner of claim 1, wherein said -time combustion air distribution system (2) comprises -time air distribution pipes (22), said -time air distribution pipes (22) are provided with a plurality of said gas nozzles (3) at the ends, said -time air distribution pipes (22) are used for distributing the direct flow combustion-supporting gas, and the air distribution amount of said -time air distribution pipes (22) is adjusted by said -time air amount adjusting device (21).
3. The gas burner of claim 2, wherein the secondary combustion air distribution system comprises a swirler (42) and a secondary air distribution duct (43), the swirler (42) is installed in the secondary air distribution duct (43), the swirler (42) is slidably connected with the outer wall of the secondary air distribution duct (22), the secondary air distribution duct (43) is used for distributing swirling combustion-supporting gas, and the air distribution amount of the secondary air distribution duct (43) is adjusted by the secondary air amount adjusting device (41).
4. The gas burner of claim 3, wherein said post-combustion air distribution system further comprises a post-combustion air distribution chamber (44), said post-combustion air distribution chamber (44) being in communication with said secondary air distribution duct (43).
5. The gas burner of claim 4, wherein the secondary air distribution duct (43) includes a large-diameter secondary air distribution duct (431), a middle secondary air distribution duct (432), and a small-diameter secondary air distribution duct (433) which are sequentially communicated in a combustion-supporting gas flow direction, the large-diameter secondary air distribution duct (431) is communicated with the secondary combustion air distribution chamber (44), and the swirler (42) is located in the large-diameter secondary air distribution duct (431) and can slide into the middle secondary air distribution duct (432) to adjust the amount of swirling combustion-supporting gas entering the middle secondary air distribution duct (432).
6. The gas burner of claim 5, wherein the intermediate secondary air distribution duct (432) and the swirler (42) are both of a tapered configuration, and the intermediate secondary air distribution duct (432) is tapered the same as the swirler (42).
7. The gas burner of claim 3, wherein said post-combustion air distribution system further comprises a swirler adjustment pull rod (45), said swirler adjustment pull rod (45) end is connected with said swirler (42), said swirler adjustment pull rod (45) can drive said swirler (42) to slide.
8. Gas burner according to claim 2, further comprising a gas distribution system comprising a plurality of gas lances (31), a gas ring chamber (32) and a gas inlet assembly (33), each gas lance (31) being connected to at least gas nozzles (3), a plurality of gas lances (31) being arranged in the secondary air distribution duct (22) and communicating with the gas ring chamber (32), the gas ring chamber (32) communicating with the gas inlet assembly (33).
9. The gas burner of claim 4, wherein said -time combustion air distribution system (2) further comprises -time combustion air distribution chamber (23), said -time combustion air distribution chamber (23) is communicated with said -time air distribution pipe (22), and said -time air quantity adjusting device (21) is located in said -time combustion air distribution chamber (23).
10. The gas burner of claim 9, further comprising a combustion air inlet assembly (5), said combustion air inlet assembly (5) communicating with said secondary combustion air distribution chamber (23) and said secondary combustion air distribution chamber (44) for controlling the total amount of combustion air dispensed by the gas burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780869.0U CN210004397U (en) | 2019-05-28 | 2019-05-28 | gas burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920780869.0U CN210004397U (en) | 2019-05-28 | 2019-05-28 | gas burner |
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| CN210004397U true CN210004397U (en) | 2020-01-31 |
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| CN201920780869.0U Active CN210004397U (en) | 2019-05-28 | 2019-05-28 | gas burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107897A (en) * | 2019-05-28 | 2019-08-09 | 南京博纳能源环保科技有限公司 | A kind of gas burner |
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2019
- 2019-05-28 CN CN201920780869.0U patent/CN210004397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107897A (en) * | 2019-05-28 | 2019-08-09 | 南京博纳能源环保科技有限公司 | A kind of gas burner |
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