Low-nitrogen efficient incinerator burner

Abstract

The application relates to a low-nitrogen high-efficiency incinerator burner, and belongs to the technical field of burners, which comprises a base, a cylinder, a fuel supply assembly, a staged combustion supporting assembly and a rotational flow stable combustion assembly; the cylinder is in a hollow cylindrical structure and is horizontally fixed on the base, a combustion nozzle is integrally arranged at the front end of the cylinder, and a stable combustion cavity, a mixing cavity and an air inlet cavity are sequentially arranged in the cylinder from front to back; the fuel supply assembly penetrates through the air inlet cavity and the mixing cavity and extends to the stable combustion cavity; the staged combustion supporting assembly is arranged in the air inlet cavity; and the rotational flow stable combustion assembly is arranged at the joint of the mixing cavity and the stable combustion cavity. The staged combustion supporting assembly realizes independent supply of staged combustion air, ensures that the combustion air is accurately sent into the corresponding cavity, improves the mixed combustion efficiency, eliminates local oxygen-deficient combustion, and incinerates more thoroughly; the rotational flow stable combustion assembly strengthens the mixing effect of the fuel and the staged combustion supporting assembly, stably supports the flame root, prevents flameout and fireout, and guarantees the combustion continuity.

Description

Technical Field

[0001] This application relates to the technical field of burners, and in particular to a low-NOx, high-efficiency incinerator burner. Background Technology

[0002] A burner is a general term for a device that sprays fuel and air in a specific manner for combustion. Burners are classified into several types based on their application: industrial burners, combustion engines, civil burners, and special burners. They are mostly made of corrosion-resistant and high-temperature-resistant materials such as stainless steel or titanium. The function of a burner is to atomize a sample through flame combustion. The atomized sample enters the burner, and under the influence of the flame temperature and atmosphere, undergoes processes such as drying, melting, evaporation, and dissociation, producing a large number of ground-state atoms, as well as some excited-state atoms, ions, and molecules.

[0003] In related technologies, the burner includes a hollow base. The base houses an air supply duct, a combustion duct, a fuel pipe, an ignition pipe, and a flame stabilizer. One end of the air supply duct connects to the base, and the other end connects to the combustion duct. The fuel pipe and ignition pipe pass sequentially through the base and the air supply duct, respectively, and are located within the combustion duct. The flame stabilizer is fixedly mounted on the fuel pipe via a connecting rod and has a through-hole for the ignition pipe to pass through. The burner achieves combustion through conventional fuel supply and an air-assisted combustion structure, thus meeting basic combustion requirements to a certain extent.

[0004] Regarding the aforementioned technologies, the inventors believe that they have the following drawbacks: the use of a single air supply duct and a jet-type fuel injection structure makes it impossible for fuel and combustion air to be fully premixed, which easily leads to local oxygen-rich and local oxygen-deficient combustion conditions, resulting in incomplete combustion of waste and the generation of a large amount of residual carbon and tar. This not only reduces the thermal energy utilization rate but also easily causes coking in the furnace, increasing the cost of equipment cleaning and maintenance. Summary of the Invention

[0005] To address the above issues, this application provides a low-NOx, high-efficiency incinerator burner.

[0006] The low-NOx, high-efficiency incinerator burner provided in this application adopts the following technical solution: A low-NOx, high-efficiency incinerator burner includes a base, a cylinder, a fuel supply assembly, a staged combustion-aiding assembly, and a swirl-stabilized combustion assembly. The cylinder is a hollow cylindrical structure and is horizontally fixed on the base. A combustion nozzle is integrally formed at the front end of the cylinder. The cylinder interior is provided with a stabilized combustion chamber, a mixing chamber, and an air inlet chamber from front to back. The fuel supply assembly passes through the air inlet chamber and the mixing chamber and extends into the stabilized combustion chamber. The staged combustion-aiding assembly is located in the air inlet chamber, and the swirl-stabilized combustion assembly is located at the junction of the mixing chamber and the stabilized combustion chamber.

[0007] By adopting the above technical solutions, the staged combustion-supporting components achieve independent supply of combustion air in stages, ensuring that the combustion air is accurately delivered to the corresponding chambers, improving the mixing and combustion efficiency, eliminating local oxygen deficiency combustion, and making combustion more thorough; the swirl-stabilizing combustion components enhance the mixing effect of fuel and staged combustion-supporting components, while stabilizing the flame root, preventing flameout and flameout, and ensuring continuous combustion.

[0008] Preferably, the fuel supply assembly includes a central fuel pipe, side fuel branches, and atomizing nozzles. The central fuel pipe is coaxially arranged inside the cylinder, with its rear end extending beyond the rear end of the cylinder. A first control component for driving the central fuel pipe to slide is provided outside the cylinder. The side fuel branches are located at the front end of the central fuel pipe and are arranged inclined towards the combustion nozzle. Multiple side fuel branches are provided and are evenly spaced along the outer circumference of the central fuel pipe. The atomizing nozzles are installed one-to-one at the front outlet of the side fuel branches.

[0009] By adopting the above technical solution, the side fuel pipes are evenly spaced along the outer circumference of the central fuel pipe to form a ring-shaped multi-point fuel injection structure, which increases the fuel diffusion range; the atomizing nozzle can break the fuel into fine droplets, which greatly increases the contact area between the fuel and the combustion air, and helps to achieve complete combustion.

[0010] Preferably, the staged combustion aid assembly includes a primary air inlet pipe, a secondary air inlet pipe, and a flow divider. A fixed plate separating the mixing chamber and the air inlet chamber is disposed within the air inlet chamber. The outer diameter of the fixed plate is tightly fitted and fixed to the inner wall of the cylinder, and its inner diameter is tightly fitted to the outer wall of the central fuel pipe. The flow divider divides the air inlet chamber into a primary air chamber and a secondary air chamber, with the primary air chamber located at the rear end of the cylinder. The outer circumference of the cylinder at the primary air chamber location is evenly spaced with through holes communicating with the primary air chamber. Each through hole is connected to a guide pipe, and the guide pipe is located away from... One end of the through hole is connected to the mixing chamber; one end of the primary air inlet pipe is connected to the primary air chamber, and the other end is connected to the external first fan; a ring-shaped air distribution groove is provided on the inner side wall of the mixing chamber near the combustion stabilization chamber, and several air distribution channels are opened along its axial direction on the inner side wall of the mixing chamber. The several air distribution channels are evenly spaced along the inner circumference of the mixing chamber. One end of the air distribution channel is connected to the ring-shaped air distribution groove, and the other end is connected to the secondary air chamber. One end of the secondary air inlet pipe is connected to the secondary air chamber, and the other end is connected to the external second fan.

[0011] By adopting the above technical solutions, the fixed plate achieves a sealed separation between the mixing chamber and the air intake chamber, preventing air leakage between chambers and ensuring directional airflow; the air duct is evenly arranged in a ring shape to achieve multiple points and uniform delivery of primary combustion air into the mixing chamber, which is fully premixed with the atomized fuel; the annular air distribution groove and air distribution channel provide directional supply of secondary combustion air to achieve staged combustion of fuel.

[0012] Preferably, the swirl combustion stabilization assembly includes a plurality of swirl blades and a combustion stabilization toothed ring; the swirl blades are evenly spaced along the inner circumferential direction of the mixing chamber, and the swirl blades are inclined toward the combustion stabilization chamber; the combustion stabilization toothed ring includes a ring plate and serrations continuously arranged along the inner circumferential direction of the ring plate, and the ring plate is fixed on the inner sidewall of the combustion stabilization chamber near the combustion nozzle.

[0013] By adopting the above technical solutions, the swirl blades guide the primary combustion air to form a swirling field, which drives the atomized fuel to swirl synchronously, enhances the uniform mixing of fuel and air, and avoids local oxygen deficiency combustion; the serrated structure can form a local vortex zone, stabilize the flame root, prevent flameout, and improve combustion stability.

[0014] Preferably, the device further includes a flame adjustment assembly, which includes a wind shroud fitted around the outside of the combustion nozzle. An arc-shaped guide vane is fixedly connected to the inner wall of the wind shroud, with the concave direction of the arc-shaped guide vane facing the axis of the cylinder. A sliding groove is formed on the outer wall of the combustion nozzle along its axis. A slider that slides and engages with the sliding groove is fixedly connected to the wind shroud. A mounting plate is fixedly connected to the outer wall of the combustion nozzle. An adjusting screw is horizontally threaded onto the mounting plate. One end of the adjusting screw that passes through the mounting plate is rotatably connected to the wind shroud via a ball joint.

[0015] By adopting the above technical solution, adjusting the screw rotation drives the wind shroud to move back and forth along the combustion nozzle axis, changing the cross-sectional area of ​​the combustion nozzle outlet and the guide angle, thereby controlling the flame length and diffusion angle to adapt to furnaces of different sizes.

[0016] Preferably, the device further includes a soot blowing assembly, which includes several pulse soot blowing pipes, a main gas collecting pipe, and branch ring pipes. The main gas collecting pipe is located outside the cylinder and is connected to an external pulse gas source. The branch ring pipes are located inside the cylinder and are arranged coaxially with the cylinder. The branch ring pipes are connected to the main gas collecting pipe through a connecting pipe. There are two sets of pulse soot blowing pipes, and the two sets of pulse soot blowing pipes are evenly staggered along the circumference of the branch ring pipes. One set of pulse soot blowing pipes faces the inner wall of the combustion nozzle, and the other set faces the atomizing nozzle.

[0017] By adopting the above technical solution, one set of pulse soot blowing pipes faces the inner wall of the combustion nozzle to specifically clean the coke and ash buildup on the inner wall of the nozzle and prevent nozzle blockage; the other set faces the atomizing nozzle to clean the fuel and coke adhering to the nozzle surface and ensure atomization effect. The dual soot cleaning design greatly improves the anti-clogging performance of the equipment and ensures the continuous and stable operation of the burner.

[0018] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting up a staged combustion-supporting component and a swirl-stabilized combustion component, the primary air and fuel are fully premixed, the secondary air is staged for supplemental combustion, and the fuel is refined by atomizing nozzles, which greatly improves the uniformity of gas-liquid mixing, eliminates local oxygen-deficient combustion, and ensures thorough incineration of various wastes. The emissions of residual carbon and tar are greatly reduced, and the thermal energy utilization rate is significantly improved.

[0019] 2. By setting the wind hood and adjusting screw, the length and diffusion angle of the flame can be finely adjusted without changing the fuel and total air volume. The flame can be flexibly controlled to adapt to incinerators of different volumes and structures, ensuring a uniform temperature distribution in the furnace, which not only improves the combustion effect but also extends the service life of the furnace.

[0020] 3. By setting up pulse soot blowing pipes, main gas collecting pipes, and branch ring pipes, the combustion nozzles and atomizing nozzles are purged respectively, realizing online soot cleaning, extending the continuous operation cycle, reducing the frequency of manual soot cleaning during shutdown and maintenance costs, and ensuring that the burner maintains a high-efficiency and low-emission state for a long time. Attached Figure Description

[0021] Figure 1 This is a schematic diagram illustrating the structure of the burner in the embodiments of this application.

[0022] Figure 2 This is a schematic diagram illustrating the structure of the flame adjustment component in the embodiments of this application.

[0023] Figure 3 This is a schematic diagram illustrating the connection relationship between the fuel supply component and the staged combustion-supporting component in the embodiments of this application.

[0024] Figure 4 yes Figure 3 The enlarged view of section A shows the structural schematic of the soot blowing assembly.

[0025] Explanation of reference numerals in the attached drawings: 1. Cylinder body; 11. Combustion stabilization chamber; 12. Mixing chamber; 13. Air inlet chamber; 2. Fuel supply assembly; 21. Central fuel pipe; 22. Side fuel branch pipe; 23. Atomizing nozzle; 3. Staged combustion aid assembly; 31. Primary air chamber; 311. Primary air inlet pipe; 312. Air guide pipe; 32. Secondary air chamber; 321. Secondary air inlet pipe; 322. Annular air distribution groove; 323. Air distribution channel; 324. Diversion baffle; 34. 4. Fixed plate; 5. Swirl flame stabilization assembly; 6. Swirl blades; 7. Flame stabilization toothed ring; 8. Ring plate; 9. Sawtooth; 10. Flame adjustment assembly; 11. Wind hood; 12. Arc-shaped guide vane; 13. Slider; 14. Slide groove; 15. Adjusting screw; 16. Mounting plate; 17. Soot blowing assembly; 18. Pulse soot blowing pipe; 19. Main gas collection pipe; 20. Branch ring pipe; 10. Base; 11. Ignition tube; 12. First cylinder; 13. Second cylinder. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0027] This application discloses a low-NOx, high-efficiency incinerator burner, referring to... Figure 1 , Figure 2 , Figure 3 and Figure 4 The system includes a base 7 and a cylinder 1. The cylinder 1 is a hollow cylindrical structure fixed to the base 7. A converging combustion nozzle is integrally formed at the front end of the cylinder 1. An ignition tube 8 is slidably installed inside the cylinder 1. The rear end of the ignition tube 8 extends out of the cylinder 1 away from the combustion nozzle. A second control component, a second cylinder 10, is installed outside the cylinder 1 to drive the ignition tube 8 to slide. A flame adjustment assembly 5 is provided at the combustion nozzle, including a wind shield 51. The wind shield 51 is fitted outside the combustion nozzle. A slider 53 is fixedly connected to the outer wall of the wind shield 51. A groove 54 adapted to the slider 53 is opened along the axial direction of the outer wall of the combustion nozzle. The slider 53 is slidably disposed in the groove 54. A mounting plate 56 is fixedly connected to the outer wall of the combustion nozzle. An adjusting screw 55 is horizontally threaded onto the mounting plate 56. The axis of the adjusting screw 55 is parallel to the axis of the cylinder 1. The end of the adjusting screw 55 near the wind shroud 51 is rotatably connected to the outer wall of the wind shroud 51 via a ball joint. Several arc-shaped guide vanes 52 are fixedly connected to the inner wall of the wind shroud 51, with the concave direction of the arc-shaped guide vanes 52 facing the axis of the cylinder 1. Rotating the adjusting screw 55 pushes or pulls the wind shroud 51 back and forth, thereby changing the relative position of the arc-shaped guide vanes 52 and the flame, and thus adjusting the flame shape.

[0028] Reference Figure 1 and Figure 4The cylinder body 1 contains, from back to front, an air intake chamber 13, a mixing chamber 12, and a combustion stabilizing chamber 11. A fixed plate 34 separates the mixing chamber 12 and the combustion stabilizing chamber 11 within the air intake chamber 13. The mixing chamber 12 is connected to the combustion stabilizing chamber 11. A fuel supply assembly 2 is located within the air intake chamber 13. The fuel supply assembly 2 includes a central fuel pipe 21, side fuel branch pipes 22, and an atomizing nozzle 23. The central fuel pipe 21 is coaxially arranged within the cylinder body 1, with its rear end extending beyond the rear end of the cylinder body 1. A first control element, a first cylinder 9, is located outside the cylinder body 1 to drive the central fuel pipe 21 to slide. The front end of the central fuel pipe 21 extends to the combustion stabilization chamber 11. The outer diameter of the fixing plate 34 is tightly fitted and fixed to the inner wall of the cylinder 1, and the inner diameter is tightly fitted to the outer wall of the central fuel pipe 21. Multiple side fuel branch pipes 22 are evenly spaced along the outer circumference of the central fuel pipe 21. The side fuel branch pipes 22 are located at the front end of the central fuel pipe 21 and are inclined towards the combustion nozzle direction at an angle of 15 degrees. Multiple atomizing nozzles 23 are also provided and are installed at the front outlet of the side fuel branch pipes 22 respectively. The atomizing nozzles 23 break the liquid fuel or slurry fuel into fine particles.

[0029] Reference Figure 3 and Figure 4 The intake chamber 13 is equipped with a staged combustion-supporting component 3, which includes a primary air intake pipe 311, a secondary air intake pipe 321, and a flow divider 324. The outer diameter of the flow divider 324 is tightly fitted and fixed to the inner wall of the intake chamber 13, dividing the intake chamber 13 into a primary air chamber 31 and a secondary air chamber 32. The primary air chamber 31 is located at the rear end of the cylinder 1, and the secondary air chamber 32 is located between the primary air chamber 31 and the mixing chamber 12. Several through holes are evenly spaced on the inner circumference of the primary air chamber 31, and each through hole is connected to a guide pipe 312. The end of the guide pipe 312 away from the through hole is connected to the mixing chamber 12. One end of the primary air intake pipe 311 is connected to the primary air chamber 31, and the other end is connected to an external first fan.

[0030] A ring-shaped air distribution groove 322 is provided on the inner side wall of the mixing chamber 12 near the combustion stabilization chamber 11. Several air distribution channels 323 are opened along the axial direction on the inner side wall of the mixing chamber 12. The several air distribution channels 323 are evenly distributed along the inner circumference of the mixing chamber 12. One end of the air distribution channel 323 is connected to the ring-shaped air distribution groove 322, and the other end passes through the diversion baffle 324 and is connected to the secondary air chamber 32. One end of the secondary air inlet pipe 321 is connected to the secondary air chamber 32, and the other end is connected to the external second fan.

[0031] Reference Figure 3 and Figure 4A swirling combustion stabilizing assembly 4 is provided at the connection between the mixing chamber 12 and the combustion stabilizing chamber 11. The swirling combustion stabilizing assembly 4 includes several swirling blades 41 and a combustion stabilizing toothed ring 42. The swirling blades 41 are evenly spaced along the inner circumference of the mixing chamber 12, and the installation angle of the swirling blades 41 is consistent, all inclined towards the combustion stabilizing chamber 11 at an angle of 45-75 degrees, thereby giving the passing airflow a strong tangential velocity. The combustion stabilizing toothed ring 42 includes a ring plate 421 and serrations 422. The ring plate 421 is fixed on the inner sidewall of the combustion stabilizing chamber 11 near the combustion nozzle. The serrations 422 are continuously arranged along the inner circumference of the ring plate 421. The serrations 422 can be triangular, trapezoidal, or other shapes, used to further disturb the flame root.

[0032] Reference Figure 4 The combustion chamber 11 is equipped with a soot blowing assembly 6, which includes several pulse soot blowing pipes 61, a main gas collecting pipe 62, and branch ring pipes 63. The main gas collecting pipe 62 is located outside the cylinder 1, and one end of the main gas collecting pipe 62 is connected to an external pulse gas source through an electromagnetic pulse valve. The branch ring pipes 63 are coaxially arranged inside the cylinder 1, and the other end of the branch ring pipes 63 and the main gas collecting pipe 62 are connected by a connecting pipe. There are two sets of pulse soot blowing pipes 61, and the two sets of pulse soot blowing pipes 61 are evenly staggered along the circumference of the branch ring pipes 63. One set of pulse soot blowing pipes 61 faces the inner wall of the combustion nozzle, and the other set faces the atomizing nozzle 23.

[0033] When cleaning is required, the control system opens the pulse valve, and a burst of high-pressure gas instantly rushes into the main gas collection pipe 62, then exits through the branch ring pipes 63 and out of each pulse soot blowing pipe 61. The gas ejected from the first set of soot blowing pipes directly impacts the inner wall of the combustion nozzle, removing accumulated ash; the gas ejected from the second set of soot blowing pipes washes the surface of each atomizing nozzle 23, preventing blockage or coking. Pulse cleaning can be performed during burner operation or during short shutdowns, without affecting long-term continuous operation.

[0034] The implementation principle of a low-NOx high-efficiency incinerator burner in this application embodiment is as follows: Fuel is delivered through the central fuel pipe 21 and the side fuel distribution pipes 22, and finally ejected from the atomizing nozzle 23 to form an atomized fuel cone. Primary air enters the primary air chamber 31 through the primary air inlet pipe 311, and then is injected into the front end of the mixing chamber 12 in multiple direct currents through multiple air guide pipes 312, where it is initially mixed with the atomized fuel. Secondary air enters the secondary air chamber 32 through the secondary air inlet pipe 321, and then enters the annular air distribution groove 322 through numerous air distribution channels 323, finally entering the rear end of the mixing chamber 12 in a uniform, annular surface airflow. As the mixed airflow of primary air and fuel flows towards the stabilizing combustion chamber 11, it is further mixed with the secondary air flowing in from the rear, and generates high-speed rotation after passing through the swirl blades 41. After the rotating airflow enters the stabilizing combustion chamber 11, a negative pressure recirculation zone is formed in the center, which draws in the high-temperature flue gas downstream and recirculates it to the flame root, continuously igniting the fresh mixture, thereby achieving stable combustion. The serrated structure 422 of the stabilizing ring 42 can "anchor" the flame front. The flames generated by combustion are eventually injected into the incinerator furnace through the combustion nozzle.

[0035] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A low-NOx, high-efficiency incinerator burner, characterized in that: It includes a base (7), a cylinder (1), a fuel supply assembly (2), a staged combustion-supporting assembly (3), and a swirl combustion-stabilizing assembly (4); the cylinder (1) is a hollow cylindrical structure and is horizontally fixed on the base (7). The front end of the cylinder (1) is integrally provided with a combustion nozzle. The cylinder (1) is provided with a combustion-stabilizing chamber (11), a mixing chamber (12), and an air intake chamber (13) from front to back; the fuel supply assembly (2) passes through the air intake chamber (13) and the mixing chamber (12) and extends to the combustion-stabilizing chamber (11); the staged combustion-supporting assembly (3) is located in the air intake chamber (13); and the swirl combustion-stabilizing assembly (4) is located at the junction of the mixing chamber (12) and the combustion-stabilizing chamber (11).

2. The low-NOx high-efficiency incinerator burner according to claim 1, characterized in that: The fuel supply assembly (2) includes a central fuel pipe (21), side fuel branch pipes (22), and atomizing nozzles (23). The central fuel pipe (21) is coaxially arranged inside the cylinder (1), and the rear end of the central fuel pipe (21) extends out of the rear end of the cylinder (1). A first control component for driving the central fuel pipe (21) to slide is provided outside the cylinder (1). The side fuel branch pipes (22) are located at the front end of the central fuel pipe (21) and are arranged obliquely towards the combustion nozzle. Multiple side fuel branch pipes (22) are provided and are evenly spaced along the outer circumference of the central fuel pipe (21). The atomizing nozzles (23) are installed one-to-one at the front end outlet of the side fuel branch pipes (22).

3. The low-NOx high-efficiency incinerator burner according to claim 2, characterized in that: The staged combustion aid assembly (3) includes a primary air inlet pipe (311), a secondary air inlet pipe (321), and a flow divider (324). A fixing plate (34) is provided inside the air inlet chamber (13) to separate the mixing chamber (12) and the air inlet chamber (13). The outer diameter of the fixing plate (34) is tightly fitted to the inner wall of the cylinder (1), and its inner diameter is tightly fitted to the outer wall of the central fuel pipe (21). The flow divider (324) divides the air inlet chamber (13) into a primary air chamber (311). The cylinder (1) has a primary air chamber (31) and a secondary air chamber (32), and the primary air chamber (31) is located at the rear end of the cylinder (1); the outer circumference of the cylinder (1) located at the primary air chamber (31) is evenly spaced with through holes that communicate with the primary air chamber (31), and each through hole is connected to a guide pipe (312), the end of the guide pipe (312) away from the through hole is connected to the mixing chamber (12); one end of the primary air inlet pipe (311) is connected to the primary air chamber (31), and the other end is connected to the external first fan; The mixing chamber (12) has an annular air distribution groove (322) on the inner side wall near the combustion stabilization chamber (11). Several air distribution channels (323) are opened along the axial direction on the inner side wall of the mixing chamber (12). The several air distribution channels (323) are evenly spaced along the inner circumference of the mixing chamber (12). One end of the air distribution channel (323) is connected to the annular air distribution groove (322), and the other end is connected to the secondary air chamber (32). One end of the secondary air inlet pipe (321) is connected to the secondary air chamber (32), and the other end is connected to the external second fan.

4. The low-NOx high-efficiency incinerator burner according to claim 3, characterized in that: The swirling combustion stabilizing component (4) includes a plurality of swirling blades (41) and a combustion stabilizing toothed ring (42); the swirling blades (41) are evenly spaced along the inner circumferential direction of the mixing chamber (12), and the swirling blades (41) are inclined toward the combustion stabilizing chamber (11); the combustion stabilizing toothed ring (42) includes a ring plate (421) and serrations (422) continuously arranged along the inner circumferential direction of the ring plate (421), and the ring plate (421) is fixed on the inner sidewall of the combustion stabilizing chamber (11) near the combustion nozzle.

5. The low-NOx high-efficiency incinerator burner according to claim 1, characterized in that: It also includes a flame adjustment assembly (5), which includes a wind shroud (51) fitted on the outside of the combustion nozzle. An arc-shaped guide vane (52) is fixedly connected to the inner wall of the wind shroud (51), and the concave direction of the arc-shaped guide vane (52) faces the axis of the cylinder (1). A sliding groove (54) is provided on the outer wall of the combustion nozzle along its axis. A slider (53) that slides and cooperates with the sliding groove (54) is fixedly connected to the wind shroud (51). An installation plate (56) is fixedly connected to the outer wall of the combustion nozzle. An adjusting screw (55) is horizontally threaded on the installation plate (56). One end of the adjusting screw (55) that passes through the installation plate (56) is rotatably connected to the wind shroud (51) through a ball head.

6. The low-NOx high-efficiency incinerator burner according to claim 1, characterized in that: It also includes a soot blowing assembly (6), which includes several pulse soot blowing pipes (61), a main gas collecting pipe (62), and a branch ring pipe (63). The main gas collecting pipe (62) is located outside the cylinder (1) and is connected to an external pulse gas source. The branch ring pipe (63) is located inside the cylinder (1) and is arranged coaxially with the cylinder (1). The branch ring pipe (63) is connected to the main gas collecting pipe (62) through a connecting pipe. There are two sets of pulse soot blowing pipes (61), and the two sets of pulse soot blowing pipes (61) are evenly staggered along the circumference of the branch ring pipe (63). One set of pulse soot blowing pipes (61) faces the inner wall of the combustion nozzle, and the other set faces the atomizing nozzle (23).

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