CN113819456A - Combustor is used in burning of thermal power plant with purify mechanism - Google Patents
Combustor is used in burning of thermal power plant with purify mechanism Download PDFInfo
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- CN113819456A CN113819456A CN202111149979.5A CN202111149979A CN113819456A CN 113819456 A CN113819456 A CN 113819456A CN 202111149979 A CN202111149979 A CN 202111149979A CN 113819456 A CN113819456 A CN 113819456A
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- combustion
- combustion furnace
- pipe
- heat exchange
- reaction tower
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/76—Gas phase processes, e.g. by using aerosols
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
- F23J15/025—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/10—Nitrogen; Compounds thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2215/00—Preventing emissions
- F23J2215/20—Sulfur; Compounds thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J2217/00—Intercepting solids
- F23J2217/10—Intercepting solids by filters
- F23J2217/102—Intercepting solids by filters electrostatic
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The invention relates to the technical field of burners, and discloses a burner with a purification mechanism for combustion in a thermal power plant, which comprises a combustion furnace, wherein the combustion furnace is provided with the purification mechanism, the purification mechanism comprises a primary purification tower, a reaction tower and an electrostatic dust collector, a heat exchange cavity is formed in the primary purification tower, a spiral heat exchange tube is fixedly arranged in the heat exchange cavity, and the top of the heat exchange cavity is provided with an active carbon filter plate; according to the invention, by arranging the primary purification tower, the reaction tower and the electrostatic dust collector, dust and macromolecular particles in the waste gas are filtered by the primary purification tower, the waste gas is cooled and enters the reaction tower for reaction, the air flow entering the reaction tower is used as power to drive the driving paddle inside the reaction tower to rotate, the reaction is accelerated, and then the separation is carried out in the electrostatic dust collector, so that the purification treatment of sulfur dioxide and nitrogen oxide can be effectively carried out, and the purification effect is improved.
Description
Technical Field
The invention relates to the technical field of burners, in particular to a burner with a purification mechanism for combustion in a thermal power plant.
Background
A thermal power plant, called thermal power plant for short, is a plant for producing electric energy by using combustible materials as fuel, and the basic production process is as follows: when the fuel is combusted, water is heated to generate steam, chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, and the combustor can fully combust the fuel.
In prior art, the staff puts into the combustor with fuel and burns, but the coal can produce sulfur dioxide and nitrogen oxide after the burning, and direct emission can produce comparatively serious environmental pollution, and the combustor is difficult to carry out effectual purification and processing to waste gas.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a burner with a purification mechanism for combustion in a thermal power plant, which solves the problems that sulfur dioxide and nitrogen oxide are generated after coal is combusted, and serious environmental pollution is generated due to direct emission.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a burner with a purification mechanism for combustion in a thermal power plant comprises a combustion furnace, wherein the combustion furnace is provided with the purification mechanism, and the purification mechanism comprises a primary purification tower, a reaction tower and an electrostatic dust collector;
a heat exchange cavity is formed in the primary purification tower, a spiral heat exchange tube is fixedly mounted in the heat exchange cavity, an active carbon filter plate is arranged at the top of the heat exchange cavity, an air supply tube is arranged on one side of the top of the active carbon filter plate, cooling water tubes and heating tubes are respectively mounted on the front side and the rear side of the heat exchange cavity, the end part of each heating tube extends into a combustion furnace, an evaporation bin is mounted in the combustion furnace, the end part of each evaporation bin is connected with an air inlet tube, and a booster pump is mounted on the air inlet tube;
install ammonia intake pipe and high energy electron accelerator on the reaction tower, the inside rotation of reaction tower is connected with the pole setting, fixedly connected with drive oar in the pole setting, pole setting bottom fixedly connected with rotating gear, the equal meshing in rotating gear both sides is connected with connecting gear, connecting gear tip fixedly connected with pivot, pivot fixed surface is connected with the flabellum, the connecting pipe is installed to reaction tower top one side.
Preferably, the end part of the cooling water pipe is connected with a cooling water source, and the other end of the cooling water pipe is communicated with the heat exchange cavity.
Preferably, one end of the heating pipe is communicated with the heat exchange cavity, and the other end of the heating pipe is communicated with the evaporation bin.
Preferably, one end of the air supply pipe is communicated with the primary purification tower, and the other end of the air supply pipe is communicated with the reaction tower.
Preferably, one end of the air inlet pipe is communicated with an evaporation bin in the combustion furnace, and the other end of the air inlet pipe is communicated with the reaction tower.
Preferably, the reaction tower is communicated with an electrostatic dust collector through a connecting pipe, and an exhaust gas discharge pipe is installed on the electrostatic dust collector.
Preferably, a material distribution hopper is rotatably connected to a feed inlet of the combustion furnace, a hydraulic rod is arranged between the end part of the material distribution hopper and the combustion furnace, and two ends of the hydraulic rod are rotatably connected with the material distribution hopper and the interior of the combustion furnace respectively.
Preferably, two combustion frames are fixedly connected inside the combustion furnace, an elastic connecting band is fixedly connected between the combustion frames on the material distribution hopper and the upper portion, a material distribution port is formed between the elastic connecting band and the material distribution hopper, and an igniter is installed on each combustion frame.
Preferably, the combustion furnace is internally provided with an ash removing mechanism, the ash removing mechanism comprises a sliding chute, an ash removing screw rod is rotatably connected inside the sliding chute, the surface of the ash removing screw rod is in threaded connection with a sliding frame, two ends of the sliding frame are rotatably connected with scraping plates, the end parts of the scraping plates are fixedly connected with a driving motor, one end of the ash removing screw rod is fixedly connected with a driven gear, one side of the driven gear is meshed with a driving gear, the end parts of the driving gear are fixedly connected with an ash removing motor, and one side of the combustion furnace is hinged with a switch door.
Preferably, a water tank is arranged on one side of the combustion furnace, a blower is arranged on one side of the water tank, a mixing box is connected to one side of the blower, an atomizer is installed inside the mixing box and connected with the water tank, a water pump is installed in the water tank, and a spray pipe is installed between the end of the mixing box and the inside of the combustion furnace.
(III) advantageous effects
The invention provides a burner with a purification mechanism for combustion in a thermal power plant, which has the following beneficial effects:
(1) according to the invention, by arranging the primary purification tower, the reaction tower and the electrostatic dust collector, dust and macromolecular particles in waste gas are filtered by the primary purification tower, meanwhile, the waste gas is cooled, then the reaction tower generates electron beams to radiate the waste gas, so that sulfur dioxide and nitrogen oxides in the waste gas are oxidized by oxygen, and the air flow entering the reaction tower is used as power to drive the internal driving paddle to rotate, thereby driving the fan blades to fully flow and mix the internal gas, accelerating the reaction, simultaneously reacting with water vapor and ammonia gas to form ammonium sulfate and ammonium nitrate, then introducing the ammonium sulfate and the ammonium nitrate into the electrostatic dust collector to be separated, effectively purifying the sulfur dioxide and the nitrogen oxides in the waste gas, and further improving the purification effect.
(2) According to the invention, by arranging the material distribution hopper, part of coal enters the combustion rack at the bottom layer through the material distribution port, and the other part of coal enters the combustion rack at the top layer through the elastic connecting belt, so that a large amount of coal stacked together can be subjected to component combustion, the air feeder continuously feeds air into the combustion furnace, the water pump feeds water in the water tank into the atomizer, and the atomizer atomizes the water and combines the atomized water with the air fed by the air feeder, so that the air with water mist can react with coke in the combustion furnace to produce water gas, the coal can be fully combusted, and the combustion degree is effectively improved.
(3) According to the invention, the ash removing mechanism is arranged, the ash removing motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the ash removing screw to rotate, the ash removing screw rotates to drive the sliding frame to move, and the sliding frame moves to drive the scraper to move, so that coal ash combusted on the combustion frame is scraped out, and the ash removing effect and the ash removing efficiency are improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the primary purification tower of the present invention;
FIG. 3 is a schematic view of the internal structure of a reaction column of the present invention;
FIG. 4 is a schematic view of a partial structure of the interior of a combustion furnace according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 4 at A in accordance with the present invention;
FIG. 6 is a schematic view of the connection structure of the scraping plate and the sliding frame according to the present invention;
FIG. 7 is a schematic view of the internal structure of the mixing box of the present invention.
In the figure: 1. a combustion furnace; 2. a primary purification tower; 3. a reaction tower; 4. an electrostatic precipitator; 5. a spiral heat exchange tube; 6. a heat exchange cavity; 7. an active carbon filter plate; 8. an air supply pipe; 9. heating a tube; 10. an air inlet pipe; 11. an ammonia gas inlet pipe; 12. a high-energy electron accelerator; 13. erecting a rod; 14. driving the paddle; 15. a rotating gear; 16. a connecting gear; 17. a rotating shaft; 18. a fan blade; 19. a connecting pipe; 20. an exhaust gas discharge pipe; 21. a distributing hopper; 22. a hydraulic lever; 23. a combustion rack; 24. an elastic connecting band; 25. a material distributing port; 26. an igniter; 27. a dust removing mechanism; 28. a deashing screw; 29. a carriage; 30. a drive motor; 31. a squeegee; 32. a driven gear; 33. opening and closing the door; 34. a water tank; 35. a blower; 36. a mixing box; 37. an atomizer; 38. and (4) a spray pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the present invention provides a technical solution: a burner with a purification mechanism for combustion in a thermal power plant comprises a combustion furnace 1, wherein the combustion furnace 1 is provided with the purification mechanism, the purification mechanism comprises a primary purification tower 2, a reaction tower 3 and an electrostatic dust collector 4, waste gas generated by the combustion furnace 1 can be treated by the purification mechanism, dust and macromolecular particles in the waste gas are firstly filtered by the primary purification tower 2, meanwhile, the waste gas is cooled, then, the reaction tower 3 generates electron beam radiation waste gas, so that sulfur dioxide and nitrogen oxides in the waste gas are oxidized by oxygen, and air flow entering the reaction tower 3 is used as power to drive an internal driving paddle 14 to rotate, so as to drive fan blades 18 to fully flow and mix the internal gas, accelerate reaction, and react with water vapor and ammonia gas to form ammonium sulfate and ammonium nitrate, then, the ammonium sulfate and the ammonium nitrate are introduced into the electrostatic dust collector 4 for separation, so that the waste gas can be effectively purified;
the primary purification tower 2 is internally provided with a heat exchange cavity 6, a spiral heat exchange tube 5 is fixedly arranged in the heat exchange cavity 6, the spiral shape of the spiral heat exchange tube 5 can prolong the flowing time of waste gas, so that the heat exchange effect can be improved, an activated carbon filter plate 7 is arranged at the top of the heat exchange cavity 6, the activated carbon filter plate 7 can effectively filter dust and macromolecular particles in the waste gas, so that the filtering effect is improved, one side of the top of the activated carbon filter plate 7 is provided with an air supply tube 8, the front side and the rear side of the heat exchange cavity 6 are respectively provided with a cooling water tube and a heating tube 9, the end part of the heating tube 9 extends into the combustion furnace 1, the combustion furnace 1 is internally provided with an evaporation bin, so that low-temperature cooling water can be continuously injected into the heat exchange cavity 6, and then the cooling water after heat exchange is injected into the evaporation bin in the combustion furnace 1, so that the cooling water can be used as the source of water vapor, the end part of the evaporation bin is connected with an air inlet pipe 10, and the air inlet pipe 10 is provided with a booster pump which can increase the pressure of water vapor;
the reaction tower 3 is provided with an ammonia gas inlet pipe 11 and a high-energy electron accelerator 12, the ammonia gas inlet pipe 11 can be connected with an ammonia gas source so as to send ammonia gas into the reaction tower 3, the high-energy electron accelerator 12 can radiate waste gas entering the reaction tower 3 so as to perform sufficient oxidation action on sulfur dioxide and nitrogen oxides in the waste gas, the reaction tower 3 is rotatably connected with a vertical rod 13, the vertical rod 13 is fixedly connected with a driving paddle 14 which can use airflow entering the reaction tower 3 as power so as to push the driving paddle 14 to rotate, the bottom end of the vertical rod 13 is fixedly connected with a rotating gear 15, two sides of the rotating gear 15 are respectively connected with a connecting gear 16 in a meshing manner, the end part of the connecting gear 16 is fixedly connected with a rotating shaft 17, and the surface of the rotating shaft 17 is fixedly connected with fan blades 18, make the drive oar 14 can drive the pole setting 13 when rotating and rotate, pole setting 13 rotates and drives rotating gear 15 and rotate, and rotating gear 15 rotates and drives connecting gear 16 and rotate, and connecting gear 16 rotates and drives pivot 17 and rotate, and pivot 17 rotates and drives its surperficial flabellum 18 and rotate, promotes inside gas and flows and mix to can effectively improve reaction rate, connecting pipe 19 is installed to 3 top one sides of reaction tower, can take out the inside resultant of reaction tower 3 through installing corresponding pump on connecting pipe 19, makes things convenient for electrostatic precipitator 4 to handle.
Furthermore, the end of the cooling water pipe is connected with a cooling water source, and the other end of the cooling water pipe is communicated with the heat exchange cavity 6, so that the cooling water source can continuously introduce cooling water into the heat exchange cavity 6 through the cooling water pipe, a good heat exchange effect can be achieved, and meanwhile, a source of water vapor can be obtained.
Furthermore, one end of the heating pipe 9 is communicated with the heat exchange cavity 6, and the other end of the heating pipe 9 is communicated with the evaporation bin, so that cold water after heat exchange can flow into the heating pipe 9 from the heat exchange cavity 6, and then flow into the evaporation bin in the combustion furnace 1 from the heating pipe 9 for evaporation.
Furthermore, one end of the air supply pipe 8 is communicated with the primary purification tower 2, and the other end of the air supply pipe 8 is communicated with the reaction tower 3, so that the waste gas purified by the primary purification tower 2 can be sent into the reaction tower 3 through the air supply pipe 8 for further purification treatment, and the treatment effect is improved.
Furthermore, one end of the air inlet pipe 10 is communicated with an evaporation bin in the combustion furnace 1, and the other end of the air inlet pipe 10 is communicated with the reaction tower 3, so that water in the evaporation bin is heated to form water vapor, and then the water vapor enters the reaction tower 3 from the air inlet pipe 10 to react.
Further, the reaction tower 3 is communicated with the electrostatic dust collector 4 through a connecting pipe 19, and an exhaust gas discharge pipe 20 is installed on the electrostatic dust collector 4, so that a product after reaction in the reaction tower 3 can enter the electrostatic dust collector 4 through the connecting pipe 19 for treatment.
Furthermore, a material distribution hopper 21 is rotatably connected to the feed inlet of the combustion furnace 1, a hydraulic rod 22 is arranged between the end of the material distribution hopper 21 and the combustion furnace 1, and two ends of the hydraulic rod 22 are rotatably connected with the material distribution hopper 21 and the interior of the combustion furnace 1 respectively, so that the material distribution hopper 21 can be driven to rotate by the hydraulic rod 22, and the opening and closing function of the feed inlet of the combustion furnace 1 can be achieved.
Furthermore, two combustion frames 23 are fixedly connected inside the combustion furnace 1, an elastic connecting band 24 is fixedly connected between the material distribution hopper 21 and the combustion frame 23 on the upper portion, a material distribution port 25 is formed between the elastic connecting band 24 and the material distribution hopper 21, two ignition frames 23 are respectively provided with an igniter 26, so that coal enters the material distribution hopper 21, part of the coal enters the combustion frames 23 on the bottom layer through the material distribution port 25, the other part of the coal enters the combustion frames 23 on the top layer through the elastic connecting band 24, and a large amount of piled coal can be subjected to component combustion, so that the coal can be fully combusted, and the combustion degree is effectively improved.
Further, an ash removing mechanism 27 is installed inside the combustion furnace 1, the ash removing mechanism 27 includes a chute, an ash removing screw 28 is rotatably connected inside the chute, a sliding frame 29 is connected to the surface of the ash removing screw 28 through a thread, two ends of the sliding frame 29 are rotatably connected with scrapers 31, a driving motor 30 is fixedly connected to the end of each scraper 31, the driving motor 30 can drive the scraper 31 to rotate, so that the scraper 31 can be steered to prevent coal from entering the combustion frame 23 to be blocked, one end of the ash removing screw 28 is fixedly connected with a driven gear 32, one side of the driven gear 32 is engaged with a driving gear, the end of the driving gear is fixedly connected with an ash removing motor, one side of the combustion furnace 1 is hinged with a switch door 33, so that the driving gear can be driven by the ash removing motor to rotate, and the driving gear drives the driven gear 32 to rotate, driven gear 32 rotates and drives deashing screw 28 to rotate, deashing screw 28 rotates and drives carriage 29 to remove, and carriage 29 removes and drives scraper blade 31 and remove, scrapes out the coal ash that burns on burning frame 23, has improved deashing effect and deashing efficiency.
Further, a water tank 34 is arranged on one side of the combustion furnace 1, a blower 35 is arranged on one side of the water tank 34, a mixing tank 36 is connected to one side of the blower 35, an atomizer 37 is installed inside the mixing tank 36, the atomizer 37 is connected with the water tank 34, a water pump is installed in the water tank 34, a shower pipe 38 is installed between the end of the mixing tank 36 and the interior of the combustion furnace 1, so that air can be continuously fed into the combustion furnace 1 through the blower 35, water in the water tank 34 is fed into the atomizer 37 through the water pump, the atomizer 37 atomizes the water and combines the atomized water with the air fed by the blower 35, so that the air with water mist can react with coke in the combustion furnace to produce water gas, and the combustion effect can be improved.
In conclusion, the working process of the invention is as follows: in practical use of the invention, coal is put into the distribution hopper 21, part of the coal enters the combustion rack 23 at the bottom layer through the distribution port 25, the other part of the coal enters the combustion rack 23 at the top layer through the elastic connecting belt 24, so that a large amount of coal piled together can be subjected to component combustion, the coal can be fully combusted, the combustion degree is effectively improved, then the hydraulic rod 22 drives the distribution hopper 21 to rotate, the combustion furnace 1 is closed, then the coal is ignited through the igniter 26, meanwhile, the air blower 35 continuously feeds air into the interior of the combustion furnace 1, the water in the water tank 34 is fed into the atomizer 37 by the water pump, the atomizer 37 atomizes the water and combines the water with the air fed by the air blower 35, so that the air with water mist can react with coke in the interior to produce water gas, the combustion effect can be improved, and waste gas generated by combustion enters the spiral heat exchange pipe 5 in the primary purification tower 2, the spiral heat exchange tube 5 can increase the flowing time of waste gas, and exchange heat with cooling water in the heat exchange cavity 6, and then dust and macromolecular particles in the waste gas are effectively filtered by the activated carbon filter plate 7, primary purification is completed, the waste gas after primary purification enters the reaction tower 3, the ammonia gas inlet tube 11 can be connected with an ammonia gas source, so that the ammonia gas can be sent into the reaction tower 3, the high-energy electron accelerator 12 can radiate the waste gas entering the reaction tower 3, so that sufficient oxidation can be performed on the waste gas and sulfur dioxide and nitrogen oxides in the waste gas, the cooling water is evaporated by the evaporation bin to provide vapor, and the airflow entering the reaction tower 3 is used as power, so that the driving paddle 14 can be pushed to rotate, the vertical rod 13 can be driven to rotate when the driving paddle 14 rotates, the vertical rod 13 rotates to drive the rotating gear 15 to rotate, the rotating gear 15 rotates to drive the connecting gear 16 to rotate, the connecting gear 16 rotates to drive the rotating shaft 17 to rotate, the rotating shaft 17 rotates to drive the fan blades 18 on the surface of the rotating shaft to rotate, and the inside gas is promoted to flow and mix, so that the reaction rate can be effectively improved, ammonium nitrate and ammonium sulfate are produced, the electrostatic dust collector 4 carries out final treatment, sulfur dioxide and nitrogen oxide in waste gas can be effectively subjected to purification treatment, and the purification effect of the waste gas is improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A burner for combustion in a thermal power plant with a purification mechanism, comprising a combustion furnace (1), characterized in that: the combustion furnace (1) is provided with a purification mechanism, and the purification mechanism comprises a primary purification tower (2), a reaction tower (3) and an electrostatic dust collector (4);
a heat exchange cavity (6) is formed in the primary purification tower (2), a spiral heat exchange tube (5) is fixedly mounted in the heat exchange cavity (6), an activated carbon filter plate (7) is arranged at the top of the heat exchange cavity (6), an air feed pipe (8) is arranged on one side of the top of the activated carbon filter plate (7), cooling water pipes and heating pipes (9) are respectively mounted on the front side and the rear side of the heat exchange cavity (6), the end part of each heating pipe (9) extends into the combustion furnace (1), an evaporation bin is mounted in the combustion furnace (1), the end part of the evaporation bin is connected with an air inlet pipe (10), and a booster pump is mounted on the air inlet pipe (10);
install ammonia intake pipe (11) and high energy electron accelerator (12) on reaction tower (3), reaction tower (3) internal rotation is connected with pole setting (13), fixedly connected with drive oar (14) on pole setting (13), pole setting (13) bottom fixedly connected with rotating gear (15), rotating gear (15) both sides all mesh and are connected with connecting gear (16), connecting gear (16) tip fixedly connected with pivot (17), pivot (17) fixed surface is connected with flabellum (18), connecting pipe (19) are installed to reaction tower (3) top one side.
2. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: the end part of the cooling water pipe is connected with a cooling water source, and the other end of the cooling water pipe is communicated with the heat exchange cavity (6).
3. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: one end of the heating pipe (9) is communicated with the heat exchange cavity (6), and the other end of the heating pipe (9) is communicated with the evaporation bin.
4. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: one end of the air supply pipe (8) is communicated with the primary purification tower (2), and the other end of the air supply pipe (8) is communicated with the reaction tower (3).
5. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: one end of the air inlet pipe (10) is communicated with an evaporation bin in the combustion furnace (1), and the other end of the air inlet pipe (10) is communicated with the reaction tower (3).
6. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: the reaction tower (3) is communicated with the electrostatic dust collector (4) through a connecting pipe (19), and an exhaust gas discharge pipe (20) is installed on the electrostatic dust collector (4).
7. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: the feeding hole of the combustion furnace (1) is rotatably connected with a material distribution hopper (21), a hydraulic rod (22) is arranged between the end part of the material distribution hopper (21) and the combustion furnace (1), and two ends of the hydraulic rod (22) are rotatably connected with the material distribution hopper (21) and the interior of the combustion furnace (1) respectively.
8. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 7, wherein: the combustion furnace is characterized in that two combustion frames (23) are fixedly connected inside the combustion furnace (1), an elastic connecting band (24) is fixedly connected between the material distribution hopper (21) and the combustion frames (23) on the upper portion, a material distribution port (25) is formed between the elastic connecting band (24) and the material distribution hopper (21), and two igniters (26) are mounted on the combustion frames (23).
9. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: the ash removing device is characterized in that an ash removing mechanism (27) is mounted inside the combustion furnace (1), the ash removing mechanism (27) comprises a sliding groove, an ash removing screw rod (28) is rotatably connected inside the sliding groove, the surface of the ash removing screw rod (28) is in threaded connection with a sliding frame (29), two ends of the sliding frame (29) are rotatably connected with scraping plates (31), the end portions of the scraping plates (31) are fixedly connected with a driving motor (30), one end of the ash removing screw rod (28) is fixedly connected with a driven gear (32), one side of the driven gear (32) is meshed with a driving gear, the end portions of the driving gear are fixedly connected with an ash removing motor, and one side of the combustion furnace (1) is hinged with a switch door (33).
10. A burner for combustion in a heat-engine plant having a purge mechanism according to claim 1, wherein: the boiler is characterized in that a water tank (34) is arranged on one side of the combustion furnace (1), a blower (35) is arranged on one side of the water tank (34), a mixing tank (36) is connected to one side of the blower (35), an atomizer (37) is installed inside the mixing tank (36), the atomizer (37) is connected with the water tank (34), a water pump is installed in the water tank (34), and a spray pipe (38) is installed between the end of the mixing tank (36) and the inside of the combustion furnace (1).
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| Publication number | Publication date |
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| CN113819456B (en) | 2023-10-13 |
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