CN111828972A - Energy-saving layered combustor with good heat transfer effect - Google Patents

Energy-saving layered combustor with good heat transfer effect Download PDF

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Publication number
CN111828972A
CN111828972A CN202010729531.XA CN202010729531A CN111828972A CN 111828972 A CN111828972 A CN 111828972A CN 202010729531 A CN202010729531 A CN 202010729531A CN 111828972 A CN111828972 A CN 111828972A
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CN
China
Prior art keywords
air
heat
temperature regenerator
layer
combustor
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Granted
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CN202010729531.XA
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Chinese (zh)
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CN111828972B (en
Inventor
徐国胤
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Jiangsu Xurun Electromechanical Technology Co ltd
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Jiangsu Xurun Electromechanical Technology Co ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/48—Nozzles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/62—Mixing devices; Mixing tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details, e.g. noise reduction means
    • F23D14/66—Preheating the combustion air or gas
    • 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
    • F23J15/003—Arrangements of devices for treating smoke or fumes for supplying chemicals to fumes, e.g. using injection devices
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention discloses a layered combustor with good energy-saving and heat transfer effects, which comprises a combustor body, an air flow driving piece, a catalyst inlet, an opening, a coal gas inlet and a boiler, wherein the combustor body comprises an air flow channel, a regenerator and a combustion chamber which are sequentially communicated, the regenerator comprises an inner-layer high-temperature regenerator and an outer-layer low-temperature regenerator, and the inner-layer high-temperature regenerator is communicated with the combustion chamber. The outer-layer low-temperature heat storage chamber is surrounded on the outer surface of the inner-layer high-temperature heat storage chamber. Has the advantages that: provide the fan electric energy to play energy-conserving effect to its fan, play the purpose of heat retrieval and utilization, the amortization chamber wraps up its combustor body in the work, and the cotton layer of amortization can fall the noise that produces the combustor body work and make its worker work in good environment, makes the normal atmospheric temperature air supply to the combustion chamber after preheating through inlayer high temperature regenerator and gas mixture burns for combustor body heat supply.

Description

Energy-saving layered combustor with good heat transfer effect
Technical Field
The invention relates to the field of boiler combustion, in particular to a layered combustor with good energy-saving and heat transfer effects.
Background
The combustor is also called as a combustor and can be divided into an oil combustor and a gas combustor according to fuel; dividing the furnace into a kiln burner and a boiler burner according to the use object; it can be divided into industrial burners, civil burners and special burners according to the field of application. The fuel oil burner is divided into light oil burner and heavy oil burner, and the fuel gas burner is divided into natural gas burner, liquefied gas burner, city gas burner, methane burner and the like. By combustor we mean in common a boiler combustor. More than 90% of the human activity emissions of NOx come from the fuel combustion process. When the fuel in various industrial furnaces, civil stoves, automobiles and other internal combustion engines is burnt at high temperature, nitrogen-containing substances in the fuel are oxidized to generate nitrogen oxides, and N2 and O2 in air participating in the combustion also generate the nitrogen oxides, so that the emission of the nitrogen oxides in flue gas is a main factor causing the pollution of the nitrogen oxides in the atmosphere for a long time.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide a layered burner with good energy-saving and heat-transfer effects so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an effectual layering combustor of energy-conserving heat transfer, combustor body, air current driving piece, catalyst entry, opening and coal gas entry and boiler, the combustor body is including air current passageway, regenerator and the combustion chamber that communicates in proper order, the regenerator includes inlayer high temperature regenerator and skin low temperature regenerator, inlayer high temperature regenerator with the combustion chamber intercommunication. The outer low-temperature regenerator surrounds the outer surface of the inner high-temperature regenerator, a heat insulation plate is arranged between the inner high-temperature regenerator and the outer low-temperature regenerator, the outer low-temperature regenerator sequentially comprises a denitration regenerator and a low-temperature regenerator along the direction away from the air flow channel, the air flow driving piece is arranged between the inner high-temperature regenerator and the combustion chamber, the catalyst inlet is arranged on the air flow channel, the opening is arranged on the burner body and communicated with the outer low-temperature regenerator, the coal gas inlet is communicated with the combustion chamber, the outer surfaces of the air flow channel, the regenerators and the combustion chamber are provided with heat insulation layers, the outer surface of each heat insulation layer is provided with a heat insulation layer, the number of the openings is a plurality, the openings are all provided with connecting inclined pipes together, and the other ends of the connecting inclined pipes are all fixedly communicated with vertical pipelines together, the vertical pipeline is connected with the output of the fan, the fan is provided with an air suction pipeline, the boiler is provided with an air outlet pipeline, the outer surface of the air outlet pipeline is sleeved with a circular water sump, steam water is arranged in the circular water sump, one end of the circular water sump is connected with a steam delivery pipe, the other end of the steam delivery pipe is connected with a steam turbine, a generator is arranged below the steam turbine, a power transmission port arranged on the generator is connected with the fan, the combustion chamber is provided with a combustion nozzle, the combustion chamber is communicated with the interior of the boiler through the combustion nozzle, the combustor body is sleeved with a silencing cavity, the silencing cavity is arranged in a manner of being tightly attached to the outer surface of the combustor body, a silencing cotton layer is filled between the silencing cavity and the combustor body, the combustion nozzle is provided with a plurality of nozzle separating pipes, and the caliber of one end of each nozzle pipe, which is far away, the air inlet pipe is characterized in that three-quarter round cavities are fixedly arranged on the inner wall of the outlet end of the nozzle separating pipe through supporting rods, air inlet round cavities are arranged in the three-quarter round cavities, final air outlets are formed in one ends of the air inlet round cavities, the air inlet round cavities and the three-quarter round cavities are installed through connecting pieces, the outer surfaces of the air inlet round cavities are in contact with the inner surfaces of the three-quarter round cavities, the connecting pieces are screws, threaded holes are formed in the air inlet round cavities and the three-quarter round cavities, and the screws penetrate through the threaded holes.
Further, the heat insulation plate is divided into a high temperature resistant partition wall and a limestone wall, and the limestone wall is arranged on the outer surfaces of the airflow channel, the regenerative chamber and the combustion chamber.
Furthermore, the heat insulation layer is made of refractory bricks, and the heat insulation layer can be made of light castable.
Further, the head of the air suction pipeline is a square pipeline, a square filtering frame is arranged in the square pipeline, an installation cavity is formed in the middle of the square filtering frame, a filtering dustproof net is installed in the installation cavity in the middle of the square filtering frame, a connecting plate is fixedly arranged at the top end of the square filtering frame, a slot matched with the square filtering frame is formed in the outer surface of the square pipeline, the square filtering frame penetrates through the slot and is placed into the square pipeline, the outer surface of the square filtering frame is in contact with the inner wall of the square pipeline, the connecting plate is fixed to the outer surface of the square pipeline through screws, and the number of the square filtering frames is two.
Furthermore, a water inlet and a water outlet are arranged on the circular water bin, and manual control valves are arranged on the water inlet and the water outlet.
Furthermore, the airflow driving part comprises an outer air duct and an inner air duct, the inner air duct is located inside the outer air duct, the outer surface of the inner air duct is provided with a plurality of outer ring swirl blades, the outer ring swirl blades are distributed in an annular array by taking the inner air duct as the center, the other ends of the outer ring swirl blades are respectively fixed on the annular inner wall of the outer air duct, the annular inner surface of the inner air duct is provided with a plurality of inner ring swirl blades in an annular shape, one ends of the plurality of inner ring swirl blades, which are close to each other, are jointly fixed with a circular rod, a direct current nozzle is arranged on the circular rod, inclined splitter plates which lean against the inner ring swirl blades are all fixed on the outer ring swirl blades, and circular ventilation openings are all arranged on the inclined splitter plates.
Further, the steam turbine with all be connected with ground through the pillar on the generator, the fan bottom is through support and ground contact.
Further, the fan is a variable frequency fan.
Furthermore, a notch is formed in one end face of the three-quarter circular cavity, and one end of the air inlet circular cavity penetrates through the notch and extends to the outside of the three-quarter circular cavity.
Furthermore, the outlet ends of the final air outlets are not inclined in the same direction.
Compared with the prior art, the invention has the following beneficial effects:
the normal temperature air is supplied to the burner through the opening arranged on the upper surface and the lower surface of the burner body, meanwhile, the coal gas is supplied to the combustion chamber through the coal gas inlet, under the action of the air flow driving piece, the coal gas and the air are mixed in the combustion chamber and then are combusted to supply heat to the boiler, when the inner layer high-temperature regenerator and the outer layer low-temperature regenerator are in a heat storage state, the supply of the normal temperature air at the opening is cut off, the catalyst inlet is opened, the high-temperature flue gas of the boiler enters the inner layer high-temperature regenerator to exchange heat under the action of the air flow driving piece, the flue gas after heat exchange enters the air flow channel and is mixed with the catalyst and then enters the denitration regenerator in the outer layer low-temperature regenerator to be denitrated and heat stored, finally, the flue gas is discharged through the opening after heat exchange of the low-temperature regenerator, and when the inner layer high-temperature, when the combustor body works, the generated hot gas is discharged through the smoke outlet pipeline, the steam water in the circular water sump is heated by the hot gas in the discharging process, the generated steam is discharged into the steam turbine from the steam delivery pipe, the steam turbine is connected with the generator, finally the generator generates electric energy which is connected with the fan and can supply the electric energy to the fan, so that the fan can play a role of saving energy and the purpose of recycling heat, the combustor body is wrapped by the sound-absorbing cavity in work, the sound-absorbing cotton layer can reduce the noise generated by the work of the combustor body, workers can work in a good environment, normal-temperature air is accelerated to be supplied to the combustor after being preheated by the inner-layer high-temperature heat storage chamber and is mixed with the coal gas to be combusted to supply heat to the combustor body, a plurality of nozzle pipes are arranged on the combustion nozzle, and the coal gas and the air are mixed in the combustor to supply heat and shunt, because the air inlet circle chamber sets up in the third of the quarter round intracavity, the air inlet circle chamber is slidable in the third of the quarter round intracavity, can carry out certain regulation, make the exit end slope of the final air outlet after its regulation, adjust the back screw that accomplishes and pass branch mouth pipe, third of the quarter round chamber and air inlet circle chamber, the cooperation screw hole, thereby make the fixing after its air inlet circle chamber has been adjusted, notice, the regulation of air inlet circle chamber belongs to the fine setting, consequently, the direction that the heat supply blew off can change, consequently, the direction of making its heat supply is diversified, and the internal diameter in air inlet circle chamber is greater than final air outlet internal diameter, consequently, the heat flow that blows off is urgent, thereby improve the heat supply effect, notice that divide the setting of mouth pipe to two vertical rows, and every vertical row divides mouth pipe quantity to be a plurality of.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a layered burner with good heat transfer and energy saving according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a muffling chamber of a layered combustor with good energy-saving and heat-transfer effects according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a heat shield of a layered burner with good energy-saving and heat-transfer effects according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an air suction duct of a stratified burner with good energy-saving and heat-transfer effects according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a square filter frame of a layered burner with good energy-saving and heat-transfer effects according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an outer wind barrel of a layered burner with good energy-saving and heat-transfer effects according to an embodiment of the invention;
FIG. 7 is a schematic diagram of outer ring swirl vanes of a layered combustor with good energy-saving heat transfer effect according to an embodiment of the invention;
FIG. 8 is a schematic view of a burner tip of a stratified burner with good heat transfer efficiency and energy conservation in accordance with an embodiment of the present invention.
Reference numerals:
1. a burner body; 2. an airflow driver; 3. a catalyst inlet; 4. an opening; 5. a gas inlet; 6. an air flow channel; 7. a regenerator; 8. a combustion chamber; 9. an inner high-temperature regenerator; 10. an outer low-temperature regenerator; 11. a denitration regenerative chamber; 12. a low temperature regenerator; 13. a heat insulation plate; 14. a thermal insulation layer; 15. a heat-insulating layer; 16. connecting the inclined pipe; 17. a mounting cavity; 18. a vertical conduit; 19. a fan; 20. an air suction pipeline; 21. a boiler; 22. a smoke outlet pipeline; 23. a circular water sump; 24. steam water; 25. a steam delivery pipe; 26. a steam turbine; 27. a generator; 28. a sound-deadening chamber; 29. a sound-deadening cotton layer; 30. a high temperature resistant partition wall; 31. a limestone wall; 32. a square pipe; 33. a screw; 34. a square filter frame; 35. a dust screen; 36. a connecting plate; 37. a water inlet; 38. a water outlet; 39. an outer air duct; 40. an inner air duct; 41. outer ring swirl vanes; 42. inner ring swirl vanes; 43. a circular rod; 44. a direct current nozzle; 45. inclining the splitter plate; 46. a circular vent; 47. a burner tip; 48. a nozzle pipe; 49. three-quarters circular cavity; 50. an air inlet round cavity; 51. finally, air outlet; 52. a screw; 53. a threaded bore.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
in order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The first embodiment is as follows:
referring to fig. 1 to 8, according to the layered burner with good energy saving and heat transfer effects of the embodiment of the present invention, the burner body 1, the airflow driving member 2, the catalyst inlet 3, the opening 4, the coal gas inlet 5 and the boiler 21 are provided, the burner body 1 includes an airflow passage 6, a regenerator 7 and a combustion chamber 8 which are sequentially communicated, the regenerator 7 includes an inner high-temperature regenerator 9 and an outer low-temperature regenerator 10, and the inner high-temperature regenerator 9 is communicated with the combustion chamber 8. The outer-layer low-temperature regenerator 10 surrounds the partial outer surface of the inner-layer high-temperature regenerator 9, a heat insulation plate 13 is arranged between the inner-layer high-temperature regenerator 9 and the outer-layer low-temperature regenerator 10, the outer-layer low-temperature regenerator 10 sequentially comprises a denitration regenerator 11 and a low-temperature regenerator 12 along the direction far away from the airflow channel 6, the airflow driving piece 2 is arranged between the inner-layer high-temperature regenerator 9 and the combustion chamber 8, the catalyst inlet 3 is arranged on the airflow channel 6, the opening 4 is arranged on the burner body 1 and is communicated with the outer-layer low-temperature regenerator 10, the coal gas inlet 5 is communicated with the combustion chamber 8, the outer surfaces of the airflow channel 6, the regenerators 7 and the combustion chamber 8 are provided with heat insulation layers 14, the outer surface of the heat insulation layer 14 is provided with a heat insulation layer 15, and the number of the openings 4 is several, the openings 4 are provided with connecting inclined pipes 16, the other ends of the connecting inclined pipes 16 are fixedly communicated with vertical pipelines 18, the vertical pipelines 18 are connected with an output of a fan 19, the fan 19 is provided with an air suction pipeline 20, the boiler 21 is provided with an air outlet pipeline 22, the outer surface of the air outlet pipeline 22 is sleeved with a circular water sump 23, a steam water 24 is arranged in the circular water sump 23, one end of the circular water sump 23 is connected with a steam delivery pipe 25, the other end of the steam delivery pipe 25 is connected with a steam turbine 26, a generator 27 is arranged below the steam turbine 26, a power transmission port arranged on the generator 27 is connected with the fan 19, a combustion nozzle 47 is arranged on the combustion chamber 8, the combustion chamber 8 is communicated with the interior of the boiler 21 through the combustion nozzle 47, a silencing cavity 28 is sleeved on the combustor body 1, and the silencing cavity 28 is arranged on the outer surface of the combustor body 1 in a clinging manner, the utility model discloses a three-quarter round cavity energy-saving burner, including combustor body 1, muffler cotton layer 29, nozzle pipe 48, air inlet round cavity 50, air outlet round cavity 50, air inlet round cavity 50 and last air outlet 51, install through the connecting piece between air inlet round cavity 50 and the three-quarter round cavity 49, air inlet round cavity 50 surface with three-quarter round cavity 49 internal surface contacts, the connecting piece is screw 52, threaded hole 53 has all been seted up on air inlet round cavity 50 and the three-quarter round cavity 49, screw 52 passes threaded hole 53, be equipped with on the screw hole 53 is gone up to the screw 52.
Example two:
referring to fig. 1 and 3, as for the insulation board 13, the insulation board 13 is divided into a high temperature resistant partition wall 30 and a limestone wall 31, and the limestone wall 31 is provided on the outer surfaces of the air flow path 6, the regenerator 7 and the combustion chamber 8.
Through the scheme of the invention, the beneficial effects are as follows: the limestone wall 31 also has a certain sound penetration preventing effect, so that the limestone wall 31 has a certain sound attenuation effect.
Example three:
referring to fig. 1, for the heat insulation layer 14, the heat insulation layer 14 is made of refractory bricks, and the heat insulation layer 15 may be made of a lightweight castable material.
Example four:
referring to fig. 1, for the air suction pipe 20, the head of the air suction pipe 20 is a square pipe 32, a square filter frame 34 is arranged in the square pipe 32, an installation cavity 17 is formed in the middle of the square filter frame 34, a filter dust screen 35 is installed in the installation cavity 17 in the middle of the square filter frame 34, a connecting plate 36 is fixedly arranged at the top end of the square filter frame 34, a slot matched with the square filter frame 34 is formed in the outer surface of the square pipe 32, the square filter frame 34 penetrates through the slot and is placed into the square pipe 32, the outer surface of the square filter frame 34 is in contact with the inner wall of the square pipe 32, the connecting plate 36 is fixed on the outer surface of the square pipe 32 through a screw 33, and the number of the square filter frames 34 is two.
Through the scheme of the invention, the beneficial effects are as follows: because the fan 19 is located the outside setting, consequently can be fine filter the outside dust through dust screen 35, can avoid outside bulky dust particle to get into inside the fan 19, if it is the inside combustion boiler of mill, the dust volume of production is very big, can protect its fan 19.
Example five:
referring to fig. 1, for the circular water tank 23, a water inlet 37 and a water outlet 38 are provided on the circular water tank 23, and manual control valves are provided on both the water inlet 37 and the water outlet 38.
Example six:
referring to fig. 6-7, for the airflow actuator 2, the airflow actuator 2 includes an outer air duct 39 and an inner air duct 40, the inner wind barrel 40 is positioned inside the outer wind barrel 39, the outer surface of the inner wind barrel 40 is provided with a plurality of outer ring swirl vanes 41, the outer ring swirl blades 41 are arranged in an annular array with the inner wind barrel 40 as the center, the other ends of the outer ring swirl blades 41 are respectively fixed on the annular inner wall of the outer wind barrel 39, a plurality of inner ring swirl vanes 42 are annularly arranged on the annular inner surface of the inner wind barrel 40, a round rod 43 is fixedly arranged at one end of each of the plurality of inner ring swirl vanes 42 close to each other, the circular rod 43 is provided with a direct current nozzle 44, the outer ring swirl vanes 41 are fixed with inclined splitter plates 45 which lean against the inner ring swirl vanes 42 in an inclined manner, and the inclined splitter plates 45 are provided with circular ventilation openings 46.
Through the scheme of the invention, the beneficial effects are as follows: some air produces inside rotary motion through inner circle whirl blade 42, some air produces outside rotary motion through outer lane whirl blade 41, the straight efflux is formed through direct current spout 44 to the sub-part air, be favorable to strengthening the mixture of gas and air, and during outside rotary motion, the outside rotation of air is through the blockking of slope flow distribution plate 45, outside rotary air partly blows inside rotary air, carry out certain big scattering to inside rotary air, can further be favorable to strengthening the mixture of gas and air, make its burning more abundant.
Example seven:
referring to fig. 1, for the steam turbine 26, the steam turbine 26 and the generator 27 are connected to the ground through struts, and the bottom end of the fan 19 is in contact with the ground through a bracket.
Example eight:
referring to fig. 1, for the fan 19, the fan 19 is a variable frequency fan.
Through the scheme of the invention, the beneficial effects are as follows: the fan 19 is a variable frequency fan, and can change wind power control according to the requirement of the combustion object in the boiler.
Example nine:
referring to fig. 8, for the three-quarter round cavity 49, a gap is provided on one end surface of the three-quarter round cavity 49, and one end of the air inlet round cavity 50 passes through the gap and extends to the outside of the three-quarter round cavity 49.
Through the scheme of the invention, the beneficial effects are as follows: one end face of the three-quarter round cavity 49 is provided with a notch, so that one end of the air inlet round cavity 50 extends to the outside of the three-quarter round cavity 49 from the notch, and the part of the air inlet round cavity 50 extending out is in an opening shape, so that heat conduction is facilitated.
Example ten:
referring to fig. 8, for the final air outlet 51, the outlet ends of the final air outlet 51 are not inclined uniformly.
Through the scheme of the invention, the beneficial effects are as follows: the final adjustment means that the outlet end of the final air outlet 51 is not inclined in the same direction.
For the convenience of understanding the above technical solutions of the present invention, the following detailed description is made of the working principle or the operation mode of the present invention in the practical process:
in practical application, normal temperature air is supplied to the burner through the opening 4 arranged on the upper surface and the lower surface of the burner body 1, coal gas is supplied into the combustion chamber 8 through the coal gas inlet 5, the coal gas and the air are mixed in the combustion chamber 8 under the action of the air flow driving piece 2 to be combusted to supply heat to the boiler 21, when the inner layer high-temperature regenerator 9 and the outer layer low-temperature regenerator 10 are in a heat storage state, the supply of the normal temperature air at the opening 4 is cut off, the catalyst inlet 3 is opened, high-temperature flue gas of the boiler 21 enters the inner layer high-temperature regenerator 9 under the action of the air flow driving piece 2 to exchange heat, the flue gas after heat exchange enters the air flow channel 6 to be mixed with the catalyst and then enters the denitration regenerator 11 in the outer layer low-temperature regenerator 10 to be denitrated and stored, and finally is discharged through the opening after heat exchange in the low-temperature regenerator 12, and when the inner layer high-temperature regenerator 9 and the, the catalyst inlet 3 is closed, normal temperature air is supplied through the opening 4, generated hot air is discharged through the smoke outlet pipeline 22 during the operation of the burner body 1, the hot air heats steam water 24 in the circular water sump 23 during the discharge process, the generated steam is discharged into the steam turbine 26 from the steam delivery pipe 25, the steam turbine 26 is connected with the generator 27, finally the generator 27 generates electric energy which is connected with the fan 19 and can be supplied to the fan 19, thereby saving energy for the fan 19 and achieving the purpose of heat recycling, the noise elimination cavity 28 wraps the burner body 1 during the operation, the noise elimination cotton layer 29 can eliminate noise generated during the operation of the burner body 1, workers can operate in a good environment, the normal temperature air is supplied to the combustion chamber 8 after being preheated by the inner high temperature heat storage chamber 9 to be mixed with coal gas for heating the burner body 1, the burner nozzle 47 is provided with a plurality of nozzle pipes 48, so that the gas and the air are mixed in the combustion chamber 8 and then heat supply is carried out for flow distribution, because the circular air intake chamber 50 is disposed within the three-quarter circular chamber 49, the circular air intake chamber 50 is slidable within the three-quarter circular chamber 49, the outlet end of the final air outlet 51 after being adjusted can be inclined by certain adjustment, and after the adjustment is finished, the screw 52 passes through the nozzle pipe 48, the three-quarter round cavity 49 and the air inlet round cavity 50 and is matched with the threaded hole 53, thereby the air inlet round cavity 50 is fixed after being adjusted, and it is noted that the adjustment of the air inlet round cavity 50 belongs to fine adjustment, therefore, the direction of heat supply and blowing out can be changed, so that the direction of heat supply can be diversified, and the inner diameter of the air inlet circular cavity 50 is larger than that of the final air outlet 51, so that the blown-out heat flow is rapid, thereby improving the heating effect, and it is noted that the arrangement of the nozzle pipes 48 is two vertical rows, and the number of each vertical row of nozzle pipes 48 is a plurality.
The heat insulating layer 14 and the heat insulating layer 15 avoid heat dissipation of the heat storage chamber, further improve the full utilization of the waste heat of the flue gas, and finally improve the efficiency of standard emission of the flue gas.
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 (9)

1. The layered combustor is characterized by comprising a combustor body (1), an airflow driving piece (2), a catalyst inlet (3), an opening (4), a coal gas inlet (5) and a boiler (21), wherein the combustor body (1) comprises an airflow channel (6), a regenerator (7) and a combustion chamber (8) which are sequentially communicated.
2. The layered burner with good energy-saving and heat-transferring effects as claimed in claim 1, characterized in that the regenerators (7) comprise an inner high-temperature regenerator (9) and an outer low-temperature regenerator (10), and the inner high-temperature regenerator (9) is communicated with the combustor (8). The outer-layer low-temperature regenerator (10) surrounds the outer surface of the inner-layer high-temperature regenerator (9), a heat insulation plate (13) is arranged between the inner-layer high-temperature regenerator (9) and the outer-layer low-temperature regenerator (10), the outer-layer low-temperature regenerator (10) sequentially comprises a denitration regenerator (11) and a low-temperature regenerator (12) along the direction away from the air flow channel (6), an air flow driving piece (2) is arranged between the inner-layer high-temperature regenerator (9) and the combustion chamber (8), a catalyst inlet (3) is arranged on the air flow channel (6), an opening (4) is arranged on the combustor body (1) and communicated with the outer-layer low-temperature regenerator (10), a coal gas inlet (5) is communicated with the combustion chamber (8), and heat insulation layers (14) are arranged on the outer surfaces of the air flow channel (6), the regenerator (7) and the combustion chamber (8), the outer surface of the heat insulation layer (14) is provided with a heat insulation layer (15), the number of the openings (4) is a plurality of, the openings (4) are provided with connecting inclined pipes (16) jointly, the other ends of the connecting inclined pipes (16) are fixedly communicated with vertical pipelines (18) jointly, the vertical pipelines (18) are connected with the output of a fan (19), an air suction pipeline (20) is arranged on the fan (19), a smoke outlet pipeline (22) is arranged on a boiler (21), a round water bin (23) is sleeved on the outer surface of the smoke outlet pipeline (22), steam water (24) is arranged in the round water bin (23), one end of the round water bin (23) is connected with a steam conveying pipe (25), the other end of the steam conveying pipe (25) is connected with a steam turbine (26), a generator (27) is arranged below the steam turbine (26), and a power transmission port arranged on the generator (27) is connected with the fan (19), be equipped with burner tip (47) on combustion chamber (8), combustion chamber (8) pass through burner tip (47) with boiler (21) are inside to communicate with each other, the cover is equipped with amortization chamber (28) on combustor body (1), amortization chamber (28) are for hugging closely the setting of combustor body (1) surface, amortization chamber (28) with be filled with amortization cotton layer (29) between combustor body (1), be equipped with a plurality of branch mouth pipe (48) on burner tip (47), divide mouth pipe (48) to keep away from the one end bore of burner tip (47) diminishes, the exit end inner wall of branch mouth pipe (48) all is fixed through branch and is equipped with three quartering chamber (49), all placed in three quartering chamber (49) and all is equipped with air inlet circle chamber (50), air inlet circle chamber (50) one end is equipped with final air outlet (51), the air inlet circular cavity (50) and the three-quarter circular cavity (49) are mounted through a connecting piece, the outer surface of the air inlet circular cavity (50) is in contact with the inner surface of the three-quarter circular cavity (49), the connecting piece is a screw (52), threaded holes (53) are formed in the air inlet circular cavity (50) and the three-quarter circular cavity (49), and the screw (52) penetrates through the threaded holes (53); the airflow driving part (2) comprises an outer air barrel (39) and an inner air barrel (40), the inner air barrel (40) is positioned inside the outer air barrel (39), a plurality of outer ring swirl vanes (41) are arranged on the outer surface of the inner air barrel (40), the outer ring swirl vanes (41) are distributed in an annular array by taking the inner air barrel (40) as the center, the other ends of the outer ring swirl vanes (41) are respectively fixed on the annular inner wall of the outer air barrel (39), a plurality of inner ring swirl vanes (42) are annularly arranged on the annular inner surface of the inner air barrel (40), one ends of the plurality of inner ring swirl vanes (42) close to each other are jointly and fixedly provided with a circular rod (43), the circular rod (43) is provided with a direct current nozzle (44), and inclined splitter plates (45) which are inclined to the inner ring vanes (42) are fixedly arranged on the outer ring swirl vanes (41), circular ventilation openings (46) are formed in the inclined flow distribution plates (45); the heat insulation plate (13) is divided into a high-temperature-resistant partition wall (30) and a limestone wall (31), and the limestone wall (31) is arranged on the outer surfaces of the airflow channel (6), the regenerative chamber (7) and the combustion chamber (8).
3. The layered burner with good energy-saving and heat-transfer effects as claimed in claim 2, wherein the heat-insulating layer (14) is made of refractory bricks, and the heat-insulating layer (15) is made of lightweight castable.
4. The layered burner with the advantages of energy conservation and good heat transfer effect according to claim 2, characterized in that the head of the air suction pipe (20) is a square pipe (32), a square filtering frame (34) is arranged in the square pipe (32), a mounting cavity (17) is formed in the middle of the square filtering frame (34), a filtering dust screen (35) is installed in the mounting cavity (17) in the middle of the square filtering frame (34), a connecting plate (36) is fixedly arranged at the top end of the square filtering frame (34), a slot matched with the square filtering frame (34) is formed in the outer surface of the square pipe (32), the square filtering frame (34) passes through the slot and is placed in the square pipe (32), the outer surface of the square filtering frame (34) is in contact with the inner wall of the square pipe (32), and the connecting plate (36) is fixed on the outer surface of the square pipe (32) through a screw (33), the number of the square filter frames (34) is two.
5. The layered burner with good energy-saving and heat transfer effects as claimed in claim 2, wherein the circular water bin (23) is provided with a water inlet (37) and a water outlet (38), and the water inlet (37) and the water outlet (38) are both provided with manual control valves.
6. The layered combustor with good energy saving and heat transfer effects as claimed in claim 2, wherein the steam turbine (26) and the generator (27) are connected with the ground through struts, and the bottom end of the fan (19) is in contact with the ground through a bracket.
7. The layered burner with good energy saving and heat transfer effects as claimed in claim 2, characterized in that the fan (19) is a variable frequency fan.
8. The layered burner with good energy-saving and heat-transfer effects as claimed in claim 2, wherein a notch is formed in one end face of the three-quarter round cavity (49), and one end of the air inlet round cavity (50) passes through the notch and extends to the outside of the three-quarter round cavity (49).
9. The layered burner with good energy-saving and heat-transfer effects as claimed in claim 2, wherein the outlet ends of the final air outlets (51) are not inclined uniformly.
CN202010729531.XA 2020-07-27 2020-07-27 Energy-saving layered combustor with good heat transfer effect Active CN111828972B (en)

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CN206803784U (en) * 2017-06-21 2017-12-26 华北理工大学 The recuperative heater of heat storage is removed based on flue gas
CN207857303U (en) * 2018-01-19 2018-09-14 青岛海瑞涂装设备有限公司 A kind of baking and curing device of coating process
CN208332668U (en) * 2018-04-10 2019-01-04 河南森东实业有限公司 A kind of direct-fired gas-burning hot-blast machine
CN110274222A (en) * 2019-07-12 2019-09-24 合肥工业大学智能制造技术研究院 Burn method for arranging in a kind of opposite-flushing type oil burning boiler and its furnace
CN111442259A (en) * 2020-04-01 2020-07-24 华中科技大学 Front and back wall opposed boiler

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201606875U (en) * 2009-12-18 2010-10-13 岳中一 Bispin constant-current dispersing pulverized coal burner
JP5576786B2 (en) * 2010-12-29 2014-08-20 東邦瓦斯株式会社 Regenerative Radiant Tube Burner
CN102268266A (en) * 2011-06-21 2011-12-07 中冶焦耐(大连)工程技术有限公司 Controllable multi-section-combustion heating molded coke oven
CN106855236A (en) * 2015-12-08 2017-06-16 山东英派节能环保科技有限公司 A kind of heat accumulating type catalysis direct combustion system for the treatment of VOCs waste gas
CN106765103A (en) * 2016-12-26 2017-05-31 北京神雾环境能源科技集团股份有限公司 Layering heat accumulating type denitration burner
CN206803784U (en) * 2017-06-21 2017-12-26 华北理工大学 The recuperative heater of heat storage is removed based on flue gas
CN207857303U (en) * 2018-01-19 2018-09-14 青岛海瑞涂装设备有限公司 A kind of baking and curing device of coating process
CN208332668U (en) * 2018-04-10 2019-01-04 河南森东实业有限公司 A kind of direct-fired gas-burning hot-blast machine
CN110274222A (en) * 2019-07-12 2019-09-24 合肥工业大学智能制造技术研究院 Burn method for arranging in a kind of opposite-flushing type oil burning boiler and its furnace
CN111442259A (en) * 2020-04-01 2020-07-24 华中科技大学 Front and back wall opposed boiler

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