Combustion and denitration integrated burner device

Abstract

The invention provides a combustion and denitration integrated burner device, and relates to the technical field of tail gas treatment equipment parts, the combustion and denitration integrated burner device comprises a denitration agent pumping machine and a cracking furnace, the cracking furnace is installed at the upper end of the denitration agent pumping machine, combustion chamber tables are arranged on the two sides of the cracking furnace, and a plurality of graded coaxial spray burner assemblies are installed on the combustion chamber tables; the lower end of the graded coaxial spray burner assembly is connected with a denitration agent pumping pipe; the graded coaxial spray burner assembly is arranged on the side face of the combustion chamber table, the combustion chamber table is arranged on the side face of the cracking furnace, the graded coaxial spray burner assembly can treat tail gas in the cracking furnace, meanwhile, a denitration spray gun of the graded coaxial spray burner assembly is designed to be of a two-stage coaxial spray structure, and an inner-layer spray nozzle is adopted; and close to a flame core area, the annular nozzle sprays diluted air, the outer layer sprays a high-concentration denitration agent and a reducing agent, a denitration agent-air coaxial jet flow is formed, and the mixing proportion of the denitration agent and the high-temperature flue gas is accurately controlled.

Description

Technical Field

[0001] The present invention relates to the technical field of tail gas treatment equipment components, in particular to a burner device integrating combustion and denitration. Background Art

[0002] Selective non-catalytic reduction (SNCR) involves injecting a reducing agent within the ideal temperature window for denitrification, without the presence of a catalyst, to reduce nitrogen oxides (NOx) in the flue gas to harmless nitrogen and water. This technology typically uses ammonia, urea, or hydroxylamine as a reducing agent to reduce NOx. The reducing agent reacts only with NOx in the flue gas and generally does not react with oxygen. This method, which does not utilize a catalyst, is known as selective non-catalytic reduction (SNCR). Because this process does not utilize a catalyst, the reducing agent must be added to a high-temperature zone. The reducing agent is injected into the furnace at a temperature of 850-1100°C, where it rapidly decomposes into NH3, which reacts with NOx in the flue gas to produce N2 and water. For example, a low-nitrogen combustion denitrification device and control method with application number CN202311549709.2, in which the above-mentioned technical solution is specifically implemented, a burner is used for combustion in a cracking furnace. The burner needs to use natural gas (cracking oil) and auxiliary air for combustion through a burner during use. The flue gas emitted after combustion contains nitrogen oxides that need to be treated and can only be discharged after the treatment meets the standards. The existing liquid medicine injection may reduce the flame temperature or destroy the combustion stability, thereby increasing the risk of CO emissions. Summary of the Invention

[0003] In view of the deficiencies in the prior art, the present invention provides a burner device integrating combustion and denitration, which solves the problems raised in the background art.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a burner device integrating combustion and denitration, comprising a denitrification agent pumping machine and a cracking furnace, wherein the cracking furnace is installed on the upper end of the denitrification agent pumping machine, combustion chamber platforms are provided on both sides of the cracking furnace, and a plurality of graded coaxial burner assemblies are installed on the combustion chamber platforms, and the lower ends of the graded coaxial burner assemblies are connected to denitrification agent pumping pipes; The side of the denitrifying agent pumping machine is connected to a plurality of denitrifying agent nozzles which are correspondingly connected to the denitrifying agent pumping pipes, and the denitrifying agent nozzles are provided with pumping boosting pipes.

[0005] Preferably, a tail gas connecting pipe is provided on the side of the cracking furnace, an induced draft fan is fixedly installed on the outer end of the tail gas connecting pipe, a spray tower mounting base is provided above the induced draft fan, and a cooling spray tower is fixedly installed on the upper end of the spray tower mounting base.

[0006] Preferably, a fan mounting base plate is provided at the lower end of the induced draft fan, and an equipment operating table is provided at the lower end of the fan mounting base plate.

[0007] Preferably, the graded coaxial burner assembly comprises: a burner mounting flange, a swirl sleeve, a denitrification agent distribution ring group, an air induction cover, a swirl airflow expansion cover, a combustion nozzle group, and an air pressure distribution hole slot; The burner nozzle mounting flange is fixedly mounted on the outer surface of the combustion chamber platform, a vortex sleeve is integrally provided at the rear end of the burner nozzle mounting flange, an air induction cover is provided at the outer end of the vortex sleeve, and a denitrification agent distribution circle group is sleeved on the air induction cover and at the rear end of the vortex sleeve; The inner end of the burner mounting flange is connected to a combustion nozzle group, and the inner end of the burner mounting flange is integrally provided with a vortex airflow expansion cover located outside the combustion nozzle group.

[0008] Preferably, a motor mounting bracket is fixedly mounted on the inner wall of the air induction cover, a booster fan is provided at the outer end of the motor mounting bracket, and a plurality of turbine blades are provided at the outer end of the booster fan.

[0009] Preferably, a plurality of axial guide plates are integrated on the inner wall of the vortex sleeve, a pressurized air duct is integrated in the middle of the axial guide plate, a vortex guide plate is integrated at one end of the axial guide plate, and a fuel connecting pipe is also provided at the lower end of the vortex sleeve.

[0010] Preferably, the denitrification agent distribution circle group includes: a distribution outer circle, a connecting partition, a distribution inner circle, a gap spraying groove, a denitrification agent atomizing nozzle, a spacer back plate, and a denitrification agent gathering cabin; A connecting partition is integrally provided on the inner wall of the distribution outer ring, the inner end of the connecting partition is integrally provided with the distribution inner ring, the rear end of the connecting partition is integrally provided with a spacing back plate, the front end of the spacing back plate and a denitrifying agent atomizing nozzle is provided between each connecting partition, and the rear end of the spacing back plate and the distribution outer ring form a denitrifying agent gathering cabin.

[0011] Preferably, the lower end of the denitrification agent collection chamber is connected to a denitrification agent connecting pipe, the lower end of the denitrification agent connecting pipe is connected to the denitrification agent pumping pipe, and the connecting partition is integrally connected to the axial guide plate.

[0012] Preferably, the combustion nozzle assembly includes: a nozzle connection base sleeve, a combustion extension nozzle, a splash-proof isolation cover, a fuel distribution pipe, a fuel nozzle, a gas collecting ring pipe, a fuel distribution pipe, and a fuel pipe connector; The nozzle connecting base sleeve is connected to the inner end of the supercharged air duct, the front end of the nozzle connecting base sleeve is integrated with a combustion extension nozzle, the side of the nozzle connecting base sleeve is integrated with a splash-proof isolation cover, the inner wall of the combustion extension nozzle is integrated with a plurality of fuel distribution pipes, and the outer end of the fuel distribution pipe is provided with a fuel nozzle; The nozzle is connected to the inner wall of the bottom sleeve and is integrated with a gas gathering ring tube at the rear end of the fuel distribution pipe. The inner side of the gas gathering ring tube is integrated with several fuel distribution pipes, and the inner end of the fuel distribution pipe is integrated with a fuel pipe connector.

[0013] Preferably, the rear end of the fuel pipe connector is connected to the fuel connecting pipe.

[0014] The present invention provides a burner device that integrates combustion and denitrification. It has the following beneficial effects: (1) The present invention arranges the graded coaxial burner assembly on the side of the combustion chamber platform, which is arranged on the side of the cracking furnace, so that the graded coaxial burner assembly can treat the tail gas in the cracking furnace. At the same time, the graded coaxial burner assembly adopts a denitrification spray gun designed as a two-stage coaxial injection structure. The inner nozzle (close to the flame core area) is an annular nozzle that injects dilution air, and the outer nozzle injects a high-concentration denitrification agent reducing agent to form a "denitrification agent-air" coaxial jet, which accurately controls the mixing ratio of the denitrification agent and the high-temperature flue gas. (2) The present invention starts the booster fan to drive the turbine blades to rotate, pressurizes and inhales the air outside the air guide hood, and introduces the dye into the combustion nozzle group through the fuel connecting pipe. The flame ejected by the pressurized air can burn more violently, thereby improving the reaction efficiency in the cracking furnace. The high-concentration denitrifier is evenly sprayed into the gap between the axial guide plates through the denitrifier distribution ring group, and the high-pressure air separated by the air pressure dividing hole groove carries the atomized denitrifier to form a strong vortex in the vortex guide plate, which shortens the reaction time with the atomized denitrifier. The atomized denitrifier is prevented from concentrating and affecting the inner core flame of the coaxial classification by diffusing outward through the vortex airflow expansion hood. (3) The present invention pumps a high-concentration denitrifier into the denitrifier collection chamber through a denitrifier pumping pipe. When the entire denitrifier collection chamber is full, the full pressure is used to spray the denitrifier out of one side of the partition back plate and between the connecting partitions through the denitrifier atomizing nozzle, thereby making it possible to spray a uniform amount of atomized denitrifier in each interstitial spraying slot; (4) The present invention pumps the fuel required for combustion into the fuel pipe connector through the fuel connecting pipe, and then distributes it to each fuel distribution pipe through the fuel distribution pipe, and then ignites and burns at the end of the fuel nozzle. The splash-proof isolation cover on the side of the nozzle can prevent the denitrification agent sprayed out of the outer ring from affecting the combustion of the flame through the side combustion extension, and the atomized denitrification agent and the vortex airflow expansion cover are combined to form a strong vortex. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of another perspective of the present invention; Figure 3Schematic diagram of the structure of the graded coaxial burner assembly of the present invention; Figure 4 Schematic diagram of the front view of the structure of the graded coaxial burner assembly of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the cross-sectional structure along line aa; Figure 6 This is a schematic structural diagram of the denitrification agent distribution circle group in the present invention; Figure 7 It is a side view structural diagram of the denitrification agent distribution circle group in the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the cross-sectional structure along the bb line; Figure 9 It is a structural schematic diagram of the combustion nozzle group in the present invention; Figure 10 Schematic diagram of the side view of the combustion nozzle assembly in the present invention; Figure 11 For the present invention Figure 10 Schematic diagram of the cross-sectional structure along the mid-cc line; Figure 12 For the present invention Figure 11 Schematic diagram of the enlarged structure at point A in the middle.

[0016] Among them, 1. Denitrification agent pumping machine; 2. Cracking furnace; 3. Combustion chamber platform; 4. Graded coaxial burner assembly; 401. Burner mounting flange; 402. Swirl sleeve; 403. Denitrification agent distribution ring group; 4031. Distribution outer ring; 4032. Connecting partition; 4033. Distribution inner ring; 4034. Interval spraying slot; 4035. Denitrification agent atomizing nozzle; 4036. Spacer back plate; 4037. Denitrification agent gathering chamber; 4038. Denitrification agent connecting pipe; 404. Air induction cover; 405. Swirl airflow expansion cover; 406. Combustion nozzle group; 4061. Nozzle connecting bottom sleeve; 4062. Combustion extension nozzle; 406 3. Splash-proof isolation cover; 4064. Fuel distribution pipe; 4065. Fuel nozzle; 4066. Gas gathering ring pipe; 4067. Fuel distribution pipe; 4068. Fuel pipe connector; 407. Motor mounting bracket; 408. Booster fan; 409. Turbine blades; 410. Pressurized air duct; 411. Axial guide plate; 412. Vortex guide plate; 413. Air pressure dividing hole slot; 414. Fuel connecting pipe; 5. Denitrification agent nozzle; 6. Pumping boost pipe; 7. Denitrification agent pumping pipe; 8. Exhaust gas connecting pipe; 9. Induced draft fan; 10. Spray tower mounting base; 11. Cooling spray tower; 12. Fan mounting base; 13. Equipment operating table. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] like Figures 1 to 2 As shown, an embodiment of the present invention provides a burner device with integrated combustion and denitrification, comprising a denitrification agent pumping machine 1 and a cracking furnace 2, wherein the cracking furnace 2 is installed on the upper end of the denitrification agent pumping machine 1, and combustion chamber platforms 3 are provided on both sides of the cracking furnace 2, and a plurality of graded coaxial burner assemblies 4 are installed on the combustion chamber platform 3, and the lower end of the graded coaxial burner assembly 4 is connected to a denitrification agent pumping pipe 7; a plurality of denitrification agent nozzles 5 correspondingly connected to the denitrification agent pumping pipe 7 are connected to the side of the denitrification agent pumping machine 1, and a pumping booster pipe 6 is provided on the denitrification agent nozzle 5, and a tail gas connecting pipe 8 is provided on the side of the cracking furnace 2, and an induced draft fan 9 is fixedly installed on the outer end of the tail gas connecting pipe 8, a spray tower mounting base 10 is provided above the induced draft fan 9, a cooling spray tower 11 is fixedly installed on the upper end of the spray tower mounting base 10, a fan mounting base plate 12 is provided at the lower end of the induced draft fan 9, and an equipment operating table 13 is provided at the lower end of the fan mounting base plate 12.

[0019] In the above technical solution, by arranging the graded coaxial burner assembly 4 on the side of the combustion chamber platform 3, and the combustion chamber platform 3 is arranged on the side of the cracking furnace 2, the graded coaxial burner assembly 4 can treat the tail gas in the cracking furnace 2. At the same time, the graded coaxial burner assembly 4 adopts a denitrification spray gun designed as a two-stage coaxial injection structure. The inner nozzle (close to the flame core area) is a ring nozzle that injects dilution air, and the outer nozzle injects high-concentration denitrification agent reducing agent to form a "denitrification agent-air" coaxial jet, thereby accurately controlling the mixing ratio of the denitrification agent and the high-temperature flue gas.

[0020] like Figure 1 、 Figures 3 to 5As shown, the graded coaxial burner assembly 4 includes: a burner mounting flange 401, a vortex sleeve 402, a denitrification agent distribution circle group 403, an air induction cover 404, a vortex airflow expansion cover 405, a combustion nozzle group 406, and an air pressure dividing hole groove 413; the burner mounting flange 401 is fixedly mounted on the outer surface of the combustion chamber platform 3, and the rear end of the burner mounting flange 401 is integrated with a vortex sleeve 402, and the outer end of the vortex sleeve 402 is provided with an air induction cover 404, and the denitrification agent distribution circle group 403 is sleeved on the air induction cover 404 and located at the rear end of the vortex sleeve 402; the inner end of the burner mounting flange 401 is connected to the combustion nozzle group 40 6. A vortex airflow expansion cover 405 is integrated at the inner end of the burner mounting flange 401 and outside the combustion nozzle group 406. A motor mounting bracket 407 is fixedly installed on the inner wall of the air guide cover 404. A booster fan 408 is provided at the outer end of the motor mounting bracket 407. A plurality of turbine blades 409 are provided at the outer end of the booster fan 408. A plurality of axial guide plates 411 are integrated on the inner wall of the vortex sleeve 402. A pressurized air duct 410 is integrated in the middle of the axial guide plate 411. A vortex guide plate 412 is integrated at one end of the axial guide plate 411. A fuel connecting pipe 414 is also provided at the lower end of the vortex sleeve 402.

[0021] In the above technical solution, the booster fan 408 is started to drive the turbine blades 409 to rotate, and the air outside the air guide cover 404 is pressurized and sucked in, and the dye is introduced into the combustion nozzle group 406 through the fuel connecting pipe 414. The pressurized air can make the ejected flame burn more violently, thereby improving the reaction efficiency in the cracking furnace 2, and the high-concentration denitrifier is evenly sprayed into the gap between the axial guide plate 411 through the denitrifier distribution circle group 403. The high-pressure air separated by the air pressure dividing hole groove 413 carries the atomized denitrifier to form a strong vortex in the vortex guide plate 412, which shortens the reaction time with the atomized denitrifier, and diffuses outward through the vortex airflow expansion cover 405 to prevent the atomized denitrifier from concentrating and affecting the coaxial graded inner core flame.

[0022] like Figure 3 、 Figures 6 to 8As shown, the denitrification agent distribution circle group 403 includes: a distribution outer circle 4031, a connecting partition 4032, a distribution inner circle 4033, a gap spraying groove 4034, a denitrification agent atomizing nozzle 4035, a spacing back plate 4036, and a denitrification agent gathering cabin 4037; the inner wall of the distribution outer circle 4031 is integrated with a connecting partition 4032, the inner end of the connecting partition 4032 is integrated with a distribution inner circle 4033, and the rear end of the connecting partition 4032 is integrated with a spacing back plate. The partition back plate 4036 has a denitrifying agent atomizing nozzle 4035 at the front end thereof and between each connecting partition plate 4032. The rear end of the partition back plate 4036 and the distribution outer ring 4031 form a denitrifying agent gathering chamber 4037. The lower end of the denitrifying agent gathering chamber 4037 is connected to a denitrifying agent connecting pipe 4038. The lower end of the denitrifying agent connecting pipe 4038 is connected to the denitrifying agent pumping pipe 7. The connecting partition plate 4032 is integrally connected to the axial guide plate 411.

[0023] In the above technical solution, a high concentration of denitrifier is pumped into the denitrifier collection chamber 4037 through the denitrifier pumping pipe 7. When the entire denitrifier collection chamber 4037 is full, the full pressure causes the denitrifier to be sprayed out of one side of the partition back plate 4036 and between the connecting partitions 4032 through the denitrifier atomizing nozzle 4035, thereby enabling the atomized denitrifier sprayed out of each gap ejection slot 4034 to be uniform and equal.

[0024] like Figure 3 、 Figures 9 to 12 As shown, the combustion nozzle group 406 includes: a nozzle connecting bottom sleeve 4061, a combustion extension nozzle 4062, a splash-proof isolation cover 4063, a fuel distribution pipe 4064, a fuel nozzle 4065, a gas collection ring pipe 4066, a fuel diversion pipe 4067, and a fuel pipe connector 4068; the nozzle connecting bottom sleeve 4061 is connected to the inner end of the supercharged air duct 410, and the front end of the nozzle connecting bottom sleeve 4061 is integrated with the combustion extension nozzle 4062, and the side of the nozzle connecting bottom sleeve 4061 is integrated with the splash-proof isolation cover 4063. A plurality of fuel distribution pipes 4064 are integrally provided on the inner wall of the combustion extension nozzle 4062, and a fuel nozzle 4065 is provided at the outer end of the fuel distribution pipe 4064; an air gathering ring pipe 4066 is integrally provided on the inner wall of the nozzle connecting base sleeve 4061 and located at the rear end of the fuel distribution pipe 4064, and a plurality of fuel diversion pipes 4067 are integrally connected to the inner side of the air gathering ring pipe 4066, and a fuel pipe connector 4068 is integrally connected to the inner end of the fuel diversion pipe 4067, and the rear end of the fuel pipe connector 4068 is connected to the fuel connecting pipe 414.

[0025] In the above technical solution, the fuel required for combustion is pumped into the fuel pipe connector 4068 through the fuel connecting pipe 414, and then distributed to each fuel distribution pipe 4064 through the fuel distribution pipe 4067, and then ignited and burned at the end of the fuel nozzle 4065. The splash-proof isolation cover 4063 on the side of the side combustion extension nozzle 4062 can prevent the denitrification agent sprayed out of the outer ring stage from affecting the combustion of the flame, and the atomized denitrification agent and the vortex airflow expansion cover 405 are combined to form a strong vortex.

[0026] Working principle: The present invention arranges the graded coaxial burner assembly 4 on the side of the combustion chamber platform 3, which is arranged on the side of the cracking furnace 2, so that the graded coaxial burner assembly 4 can treat the tail gas in the cracking furnace 2. At the same time, the graded coaxial burner assembly 4 adopts a denitrification spray gun designed as a two-stage coaxial injection structure. The inner nozzle (close to the flame core area) uses an annular nozzle to inject dilution air, and the outer nozzle injects a high-concentration denitrification agent and reducing agent, forming a "denitrification agent-air" coaxial jet, which accurately controls the mixing ratio of the denitrification agent and the high-temperature flue gas. Among them, by starting the booster fan 408 to drive the turbine blades 409 to rotate, the air outside the air guide cover 404 is pressurized and sucked in, and the dye is introduced into the combustion nozzle group 406 through the fuel connecting pipe 414. The flame ejected by the pressurized air can burn more violently, thereby improving the reaction efficiency in the cracking furnace 2. The high-concentration denitrifier is evenly sprayed into the gap between the axial guide plate 411 through the denitrifier distribution circle group 403, and the high-pressure air separated by the air pressure dividing hole groove 413 carries the atomized denitrifier to form a strong vortex in the vortex guide plate 412, which shortens the reaction time with the atomized denitrifier. The atomized denitrifier is prevented from concentrating and affecting the coaxial graded inner core flame by diffusing outward through the vortex airflow expansion cover 405. A high-concentration denitrifier is pumped into the denitrifier collection chamber 4037 through the denitrifier pumping pipe 7. When the entire denitrifier collection chamber 4037 is filled, the full pressure causes the denitrifier to be sprayed out of one side of the partition back plate 4036 and between the connecting partitions 4032 through the denitrifier atomizing nozzle 4035, thereby ensuring that the atomized denitrifier sprayed out of each interstitial spraying slot 4034 is uniform and equal in amount. Among them, the fuel required for combustion is pumped into the fuel pipe connector 4068 through the fuel connecting pipe 414, and then distributed to each fuel distribution pipe 4064 through the fuel distribution pipe 4067, and then ignited and burned at the end of the fuel nozzle 4065. The splash-proof isolation cover 4063 on the side of the side combustion extension nozzle 4062 can prevent the denitrification agent sprayed out of the outer ring stage from affecting the combustion of the flame, and the atomized denitrification agent and the vortex airflow expansion cover 405 are combined to form a strong vortex.

[0027] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is impossible to list all the implementation methods here. Any obvious changes or modifications derived from the technical solution of the present invention are still within the scope of protection of the present invention.

Claims

1. A burner device integrating combustion and denitration, comprising a denitrification agent pump (1) and a cracking furnace (2), characterized in that: A cracking furnace (2) is installed at the upper end of the denitrification agent pumping machine (1), combustion chamber platforms (3) are provided on both sides of the cracking furnace (2), a plurality of graded coaxial burner assemblies (4) are installed on the combustion chamber platforms (3), and a denitrification agent pumping pipe (7) is connected to the lower end of the graded coaxial burner assemblies (4); The side of the denitrifying agent pumping machine (1) is connected to a plurality of denitrifying agent nozzles (5) correspondingly connected to the denitrifying agent pumping pipes (7), and the denitrifying agent nozzles (5) are provided with pumping boosting pipes (6).

2. The burner device for integrated combustion and denitrification according to claim 1, characterized in that: A tail gas connecting pipe (8) is provided on the side of the cracking furnace (2), an induced draft fan (9) is fixedly installed on the outer end of the tail gas connecting pipe (8), a spray tower mounting base (10) is provided above the induced draft fan (9), and a cooling spray tower (11) is fixedly installed on the upper end of the spray tower mounting base (10).

3. The burner device for integrated combustion and denitrification according to claim 2, characterized in that: A fan installation base plate (12) is provided at the lower end of the induced draft fan (9), and an equipment operating table (13) is provided at the lower end of the fan installation base plate (12).

4. The burner device for integrated combustion and denitrification according to claim 3, characterized in that: The staged coaxial burner assembly (4) comprises: a burner mounting flange (401), a vortex sleeve (402), a denitrification agent distribution ring group (403), an air induction cover (404), a vortex airflow expansion cover (405), a combustion nozzle group (406), and an air pressure distribution hole groove (413); The burner nozzle mounting flange (401) is fixedly mounted on the outer surface of the combustion chamber platform (3); a vortex sleeve (402) is integrally provided at the rear end of the burner nozzle mounting flange (401); an air guide cover (404) is provided at the outer end of the vortex sleeve (402); a denitrification agent distribution circle group (403) is provided on the air guide cover (404) and at the rear end of the vortex sleeve (402); The inner end of the burner mounting flange (401) is connected to a combustion nozzle group (406), and a vortex airflow expansion cover (405) is integrally provided at the inner end of the burner mounting flange (401) and outside the combustion nozzle group (406).

5. The burner device for integrated combustion and denitrification according to claim 4, characterized in that: A motor mounting frame (407) is fixedly mounted on the inner wall of the air guide cover (404), a booster fan (408) is provided at the outer end of the motor mounting frame (407), and a plurality of turbine blades (409) are provided at the outer end of the booster fan (408).

6. The burner device for integrated combustion and denitrification according to claim 5, characterized in that: A plurality of axial guide plates (411) are integrally provided on the inner wall of the vortex sleeve (402), a pressurized air duct (410) is integrally provided in the middle of the axial guide plate (411), a vortex guide plate (412) is integrally provided at one end of the axial guide plate (411), and a fuel connecting pipe (414) is further provided at the lower end of the vortex sleeve (402).

7. The burner device for integrated combustion and denitrification according to claim 6, characterized in that: The denitrification agent distribution circle group (403) includes: a distribution outer circle (4031), a connecting partition (4032), a distribution inner circle (4033), a gap spraying groove (4034), a denitrification agent atomizing nozzle (4035), a spacer back plate (4036), and a denitrification agent gathering chamber (4037); A connecting partition (4032) is integrally provided on the inner wall of the distribution outer ring (4031), a distribution inner ring (4033) is integrally provided on the inner end of the connecting partition (4032), a spacing back plate (4036) is integrally provided at the rear end of the connecting partition (4032), a denitrification agent atomizing nozzle (4035) is provided at the front end of the spacing back plate (4036) and between each connecting partition (4032), and the rear end of the spacing back plate (4036) and the distribution outer ring (4031) form a denitrification agent gathering chamber (4037).

8. The burner device for integrated combustion and denitrification according to claim 7, characterized in that: The lower end of the denitrification agent collection chamber (4037) is connected to a denitrification agent connecting pipe (4038), the lower end of the denitrification agent connecting pipe (4038) is connected to a denitrification agent pumping pipe (7), and the connecting partition (4032) is integrally connected to the axial guide plate (411).

9. The burner device for integrated combustion and denitrification according to claim 8, characterized in that: The combustion nozzle assembly (406) comprises: a nozzle connection base sleeve (4061), a combustion extension nozzle (4062), a splash-proof isolation cover (4063), a fuel distribution pipe (4064), a fuel nozzle (4065), a gas gathering ring pipe (4066), a fuel distribution pipe (4067), and a fuel pipe connector (4068); The nozzle connection base sleeve (4061) is connected to the inner end of the pressurized air pipe (410); a combustion extension nozzle (4062) is integrally provided at the front end of the nozzle connection base sleeve (4061); a splash-proof isolation cover (4063) is integrally provided at the side of the nozzle connection base sleeve (4061); a plurality of fuel distribution pipes (4064) are integrally provided on the inner wall of the combustion extension nozzle (4062); and a fuel nozzle (4065) is provided at the outer end of the fuel distribution pipe (4064); An air gathering ring tube (4066) is integrally provided on the inner wall of the nozzle connection base sleeve (4061) and located at the rear end of the fuel distribution pipe (4064). A plurality of fuel distribution pipes (4067) are integrally connected to the inner side of the air gathering ring tube (4066). The inner ends of the fuel distribution pipes (4067) are integrally connected to a fuel pipe connector (4068).

10. The burner device for integrated combustion and denitrification according to claim 9, characterized in that: The rear end of the fuel pipe connector (4068) is connected to the fuel connecting pipe (414).

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