CN219283332U - Premixed hot air type ultralow nitrogen burner - Google Patents
Premixed hot air type ultralow nitrogen burner Download PDFInfo
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- CN219283332U CN219283332U CN202320832530.7U CN202320832530U CN219283332U CN 219283332 U CN219283332 U CN 219283332U CN 202320832530 U CN202320832530 U CN 202320832530U CN 219283332 U CN219283332 U CN 219283332U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a premixed hot air type ultralow nitrogen burner, which comprises a T-shaped three-way pipe; the air valve is fixedly arranged at the left end of the T-shaped three-way pipe, the hot air pipe is fixedly arranged at the outer end of the air valve, the outer end of the hot air pipe is provided with a premixing hot air inlet, and the premixing hot air inlet is communicated with the T-shaped three-way pipe through the air valve; the front end of the T-shaped three-way pipe is fixedly provided with a cover plate, a gas interface is formed on the cover plate, the outer end of the gas interface is fixedly provided with a gas proportional valve, and the inner end of the gas interface is communicated with the T-shaped three-way pipe; the front side of the fuel gas proportional valve is fixedly provided with a right-angle side plate, the upper side of the right-angle side plate is fixedly provided with an air door actuator, the fuel gas proportional valve is provided with a first valve handle, the air valve is provided with a second valve handle, and the air door actuator drives the first valve handle and the second valve handle to rotate simultaneously. The utility model can preset the proportion between the hot air and the fuel, realize low-nitrogen combustion, reduce environmental pollution and prolong the service life.
Description
Technical Field
The utility model relates to the field of combustor design, in particular to a premixed hot air type ultralow nitrogen combustor.
Background
Natural gas is one of the most widely used energy sources in the industrial heat supply field, and with the vigorous development of production equipment, the energy consumption is high, and the challenges for environmental pollution are more and more serious.
Therefore, in the prior patent (publication No. CN210624526U, publication No. 2020.05.26), a premix low-nitrogen burner system is disclosed, which recovers heat for supporting combustion in a tail gas backflow mode, but most of the air quantity is directly extracted by a blower, and then the air quantity is combusted by combining fuel, so that the premixed low-nitrogen burner system has a certain energy-saving effect, but belongs to cold air type equipment, in addition, the blower cannot bear high-temperature tail gas, and the tail gas is not filtered, so that the service life is low.
The burner on the market generally does not have the low-nitrogen combustion function, for example, the burner is disclosed in the prior patent (publication number: CN218154211U, publication date: 2022.12.27), holes are diffused to the periphery of the combustion chamber through a cover body, so that the full combustion is realized, but oxygen and fuel required by the diffusion are very much, and the low-nitrogen effect is difficult to realize.
Disclosure of Invention
The utility model provides a technical scheme capable of solving the problems in order to overcome the defects of the prior art.
A premixing hot air type ultralow nitrogen burner comprises a T-shaped three-way pipe;
the air valve is fixedly arranged at the left end of the T-shaped three-way pipe, the hot air pipe is fixedly arranged at the outer end of the air valve, the outer end of the hot air pipe is provided with a premixing hot air inlet, and the premixing hot air inlet is communicated with the T-shaped three-way pipe through the air valve;
the front end of the T-shaped three-way pipe is fixedly provided with a cover plate, a gas interface is formed on the cover plate, the outer end of the gas interface is fixedly provided with a gas proportional valve, and the inner end of the gas interface is communicated with the T-shaped three-way pipe;
the front side of the fuel gas proportional valve is fixedly provided with a right-angle side plate, the upper side of the right-angle side plate is fixedly provided with an air door actuator, the fuel gas proportional valve is provided with a first valve handle, the air valve is provided with a second valve handle, and the air door actuator drives the first valve handle and the second valve handle to rotate simultaneously.
As a further scheme of the utility model: the T-shaped three-way pipe is internally and fixedly provided with a gas pipe, the front end of the gas pipe is connected with the inner end of the gas interface, the rear end of the gas pipe is provided with a flame stabilizing disc, the rear end of the T-shaped three-way pipe is provided with a flame outlet, the flame stabilizing disc is arranged on the inner side of the flame outlet, two ignition electrodes are embedded and installed on the cover plate, the two ignition electrodes are mutually separated and arranged, the rear ends of the two ignition electrodes are connected with the T-shaped three-way pipe, and the rear ends of the ignition electrodes are positioned on the inner side of the flame outlet.
As a further scheme of the utility model: the rear end of the gas pipe is connected with a dispersing sleeve, a plurality of gas outlets are formed in the outer side of the dispersing sleeve, the plurality of gas outlets are all arranged towards the flame stabilizing disc, and a plurality of flame outlets which are uniformly distributed are formed in the flame stabilizing disc.
As a further scheme of the utility model: two electrode sockets are formed on the flame stabilizing plate, and the rear ends of the two ignition electrodes are respectively inserted into the electrode sockets in a clearance fit manner.
As a further scheme of the utility model: the flame outlet is in a conical surface structure with wide front and narrow rear.
As a further scheme of the utility model: an adjustable connecting rod is installed between the first valve handle and the second valve handle in a hinged fit mode.
As a further scheme of the utility model: the outer end of the first valve handle is fixedly provided with a rotary drum, the rotary drum is vertically arranged, the front end of the adjustable connecting rod is hinged and matched with the upper end of the rotary drum, and the height of the upper end of the rotary drum is the same as that of the second valve handle.
As a further scheme of the utility model: the fuel gas proportional valve adopts an svp proportional valve.
Compared with the prior art, the utility model has the beneficial effects that:
1. the air valve and the fuel gas proportional valve are arranged, the air valve actuator drives the first valve handle and the second valve handle simultaneously, so that the air valve and the fuel gas proportional valve are opened or closed simultaneously, the rotation speed ratio between the first valve handle and the second valve handle can be preset, the proportional control between hot air and fuel is realized, low-nitrogen combustion can be realized, and environmental pollution is reduced;
2. the premixed hot air inlet for introducing hot air into the hot air pipe does not need to be provided with a blower, so that the problems that flue gas impurities and the blower cannot bear high heat are avoided, and the service life of the premixed hot air inlet is ensured.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a schematic view of the mounting structure of the gas pipe;
fig. 4 is a schematic view of the structure of fig. 3 at another view angle.
The figure shows: 1. t-shaped three-way pipe; 2. an air valve; 3. a hot air pipe; 4. a premix hot air inlet; 5. a cover plate; 6. a gas interface; 7. a fuel gas proportional valve; 8. right-angle side plates; 9. a damper actuator; 10. a first valve handle; 11. a second valve handle; 12. a gas pipe; 13. a flame stabilizing disc; 14. a flame outlet; 15. an ignition electrode; 16. a dispersion kit; 17. an air outlet; 18. a flame outlet; 19. an electrode socket; 20. an adjustable connecting rod; 21. a rotating drum.
Description of the embodiments
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in figures 1-4, the premixed hot air type ultralow nitrogen burner comprises a T-shaped tee pipe 1;
the left end of the T-shaped three-way pipe 1 is fixedly provided with an air valve 2, the outer end of the air valve 2 is fixedly provided with a hot air pipe 3, the outer end of the hot air pipe 3 is provided with a premixed hot air inlet 4, and the premixed hot air inlet 4 is communicated with the T-shaped three-way pipe 1 through the air valve 2;
the front end of the T-shaped three-way pipe 1 is fixedly provided with a cover plate 5, a gas port 6 is formed on the cover plate 5, the outer end of the gas port 6 is fixedly provided with a gas proportional valve 7, and the inner end of the gas port 6 is communicated with the T-shaped three-way pipe 1 for setting;
the front side of the fuel gas proportional valve 7 is fixedly provided with a right-angle side plate 8, the upper side of the right-angle side plate 8 is fixedly provided with an air door actuator 9, the fuel gas proportional valve 7 is provided with a first valve handle 10, the air valve 2 is provided with a second valve handle 11, and the air door actuator 9 simultaneously drives the first valve handle 10 and the second valve handle 11 to rotate;
the principle is as follows: the air valve 2 and the fuel gas proportional valve 7 are arranged, the air door actuator 9 is used for simultaneously driving the first valve handle 10 and the second valve handle 11, so that the air valve 2 and the fuel gas proportional valve 7 are simultaneously opened or simultaneously closed, the rotation speed ratio between the first valve handle 10 and the second valve handle 11 can be preset, the proportion control between hot air and fuel is further realized, low-nitrogen combustion is realized, environmental pollution is reduced, the hot air is used for introducing the premixed hot air inlet 4 of the hot air pipe 3, a blower is not required, the problem that flue gas impurities and the blower cannot bear high heat is avoided, and the service life of the air conditioner is ensured.
As a further scheme of the utility model: the T-shaped three-way pipe 1 is internally and fixedly provided with a gas pipe 12, the front end of the gas pipe 12 is connected with the inner end of the gas interface 6, the rear end of the gas pipe 12 is provided with a flame stabilizing disc 13, the rear end of the T-shaped three-way pipe 1 is provided with a flame outlet 14, the flame stabilizing disc 13 is arranged on the inner side of the flame outlet 14, the cover plate 5 is embedded and provided with two ignition electrodes 15, the two ignition electrodes 15 are mutually separated, the rear ends of the two ignition electrodes 15 are respectively connected with the T-shaped three-way pipe 1, and the rear ends of the ignition electrodes 15 are positioned on the inner side of the flame outlet 14; the gas pipe 12 conveys flame to the combustion chamber through the flame stabilizing disc 13, the flame stabilizing disc 13 can achieve the effect of stabilizing flame, full combustion is achieved, the two ignition electrodes 15 are used for ignition, a detector can be arranged in the combustor to detect whether ignition is successful, hot air and fuel are continuously introduced when the ignition is successful, the hot air and the fuel are disconnected when the ignition is unsuccessful, pollution is reduced, and meanwhile safety is higher.
As a further scheme of the utility model: the rear end of the gas pipe 12 is connected with a dispersing sleeve 16, a plurality of gas outlets 17 are formed on the outer side of the dispersing sleeve 16, the plurality of gas outlets 17 are arranged towards the flame stabilizing disc 13, and a plurality of flame outlets 18 which are uniformly arranged are formed on the flame stabilizing disc 13; the arrangement of the air outlet 17 can disperse the fuel, so that the fuel can be uniformly fused with hot air, further, full combustion is realized, and the flame is output through the flame outlet 18 of the flame stabilizing disc 13, so that a stable and low-nitrogen combustion effect is realized.
As a further scheme of the utility model: two electrode sockets 19 are formed on the flame stabilizing disc 13, and the rear ends of the two ignition electrodes 15 are respectively inserted into the electrode sockets 19 in a clearance fit manner; it is possible to ensure stable installation of the two ignition electrodes 15.
As a further scheme of the utility model: the flame outlet 14 is in a conical surface structure with wide front and narrow rear; so that the fuel and the hot air are fully fused and can be fully combusted after being ignited by the two ignition electrodes 15.
As a further scheme of the utility model: an adjustable connecting rod 20 is arranged between the first valve handle 10 and the second valve handle 11 in a hinged fit; the transmission ratio between the first valve handle 10 and the second valve handle 11 is controlled by the length of the adjustable connecting rod 20, so that the ratio between hot air and fuel is conveniently controlled, and low-nitrogen combustion is realized.
As a further scheme of the utility model: the outer end of the first valve handle 10 is fixedly provided with a rotary drum 21, the rotary drum 21 is vertically arranged, the front end of the adjustable connecting rod 20 is hinged and matched with the upper end of the rotary drum 21, and the height of the upper end of the rotary drum 21 is the same as that of the second valve handle 11; the second valve handle 11 can be driven to rotate more stably when the first valve handle 10 rotates, so that the air valve 2 and the fuel gas proportional valve 7 are opened or closed simultaneously.
As a further scheme of the utility model: the fuel gas proportional valve 7 adopts a svp proportional valve.
The present embodiment is not limited in any way by the shape, material, structure, etc. of the present utility model, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present utility model are all included in the scope of protection of the technical solution of the present utility model.
Claims (8)
1. A premixing hot air type ultralow nitrogen burner comprises a T-shaped three-way pipe; the method is characterized in that:
the air valve is fixedly arranged at the left end of the T-shaped three-way pipe, the hot air pipe is fixedly arranged at the outer end of the air valve, the outer end of the hot air pipe is provided with a premixing hot air inlet, and the premixing hot air inlet is communicated with the T-shaped three-way pipe through the air valve;
the front end of the T-shaped three-way pipe is fixedly provided with a cover plate, a gas interface is formed on the cover plate, the outer end of the gas interface is fixedly provided with a gas proportional valve, and the inner end of the gas interface is communicated with the T-shaped three-way pipe;
the front side of the fuel gas proportional valve is fixedly provided with a right-angle side plate, the upper side of the right-angle side plate is fixedly provided with an air door actuator, the fuel gas proportional valve is provided with a first valve handle, the air valve is provided with a second valve handle, and the air door actuator drives the first valve handle and the second valve handle to rotate simultaneously.
2. The premix hot air type ultralow nitrogen burner according to claim 1, wherein: the T-shaped three-way pipe is internally and fixedly provided with a gas pipe, the front end of the gas pipe is connected with the inner end of the gas interface, the rear end of the gas pipe is provided with a flame stabilizing disc, the rear end of the T-shaped three-way pipe is provided with a flame outlet, the flame stabilizing disc is arranged on the inner side of the flame outlet, two ignition electrodes are embedded and installed on the cover plate, the two ignition electrodes are mutually separated and arranged, the rear ends of the two ignition electrodes are connected with the T-shaped three-way pipe, and the rear ends of the ignition electrodes are positioned on the inner side of the flame outlet.
3. The premix hot air type ultralow nitrogen burner according to claim 2, wherein: the rear end of the gas pipe is connected with a dispersing sleeve, a plurality of gas outlets are formed in the outer side of the dispersing sleeve, the plurality of gas outlets are all arranged towards the flame stabilizing disc, and a plurality of flame outlets which are uniformly distributed are formed in the flame stabilizing disc.
4. A premix hot air type ultra low nitrogen burner according to claim 3, wherein: two electrode sockets are formed on the flame stabilizing plate, and the rear ends of the two ignition electrodes are respectively inserted into the electrode sockets in a clearance fit manner.
5. The premix hot air type ultralow nitrogen burner according to claim 2, wherein: the flame outlet is in a conical surface structure with wide front and narrow rear.
6. The premix hot air type ultralow nitrogen burner according to claim 1, wherein: an adjustable connecting rod is installed between the first valve handle and the second valve handle in a hinged fit mode.
7. The premixed hot air type ultralow nitrogen burner according to claim 6, wherein: the outer end of the first valve handle is fixedly provided with a rotary drum, the rotary drum is vertically arranged, the front end of the adjustable connecting rod is hinged and matched with the upper end of the rotary drum, and the height of the upper end of the rotary drum is the same as that of the second valve handle.
8. The premix hot air type ultralow nitrogen burner according to claim 1, wherein: the fuel gas proportional valve adopts an svp proportional valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832530.7U CN219283332U (en) | 2023-04-14 | 2023-04-14 | Premixed hot air type ultralow nitrogen burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832530.7U CN219283332U (en) | 2023-04-14 | 2023-04-14 | Premixed hot air type ultralow nitrogen burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219283332U true CN219283332U (en) | 2023-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320832530.7U Active CN219283332U (en) | 2023-04-14 | 2023-04-14 | Premixed hot air type ultralow nitrogen burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219283332U (en) |
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2023
- 2023-04-14 CN CN202320832530.7U patent/CN219283332U/en active Active
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