CN107702117A - A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion - Google Patents
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion Download PDFInfo
- Publication number
- CN107702117A CN107702117A CN201711039124.0A CN201711039124A CN107702117A CN 107702117 A CN107702117 A CN 107702117A CN 201711039124 A CN201711039124 A CN 201711039124A CN 107702117 A CN107702117 A CN 107702117A
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- China
- Prior art keywords
- burner
- combustion
- gas
- air
- steam
- Prior art date
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- Granted
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 85
- 239000007921 spray Substances 0.000 claims abstract description 31
- 238000005507 spraying Methods 0.000 claims abstract description 22
- 238000009792 diffusion process Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 92
- 238000002156 mixing Methods 0.000 claims description 29
- 239000002737 fuel gas Substances 0.000 claims description 20
- 239000000567 combustion gas Substances 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 7
- 238000005266 casting Methods 0.000 claims description 7
- 239000003546 flue gas Substances 0.000 claims description 7
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000001839 endoscopy Methods 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 230000003134 recirculating effect Effects 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/002—Gaseous fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/002—Supplying water
- F23L7/005—Evaporated water; Steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M11/00—Safety arrangements
- F23M11/04—Means for supervising combustion, e.g. windows
- F23M11/045—Means for supervising combustion, e.g. windows by observing the flame
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M5/00—Casings; Linings; Walls
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Environmental & Geological Engineering (AREA)
Abstract
The present invention provides a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion.The gas gun is dismountable diffusion type spray gun, is arranged in the center of burner shell head venturi, and two steam spraying guns are arranged at burner shell close to exit, are arranged symmetrically along the tangential direction of burner shell；Described combustion-supporting airduct is arranged in burner shell head center position, and inside combustion-supporting airduct and exit is sequentially arranged air register and air cyclone along combustion air flow direction；Described altar lamp is arranged in inside burner insulated lining close to the position of aditus laryngis；Described insulated lining is arranged in burner casing body, forms a stable burning room.The present invention use Modular Structure Design, has that easy to operate elasticity is big, flameholding efficiency high, use design do not analysed in the range of fuel and operational load carbon, noncoking, do not block, long lifespan the advantages that.
Description
Technical field
The present invention is applied to combustion gas and enters places Stoichiometric combustion in reacting furnace with combustion air, decomposes or reacts generation
The sulfur-containing tail gas processing unit burner of the reducibility gas of hydrogen.
Background technology
In sulfur recovery tail gas processing unit, reduction gas producer burner, which carries, produces reducibility gas -- the work of hydrogen
Skill task, while the combustion heat is carried, mix, concurrently survive former anti-with entering the sulfur-bearing of mixing chamber and the tail gas of sulfide in stove
Should, the sulphur in recovery tail gas as much as possible, the temperature of mixed flue gas is improved to the temperature needed for hydrogenation and hydrolysis
Degree.A certain amount of water vapour is tangentially symmetrically sprayed into by the afterbody in combustion chamber, both can suitably reduce ignition temperature, is protected
Lining, reactant is provided for hydrogen making again, improve the yield of hydrogen and the efficiency of sulfur recovery.
The content of the invention
It is an object of the invention to provide one kind by secondary Stoichiometric combustion, for the purpose of producing reducibility gas hydrogen
Gas burner.
Realize purpose of the present invention technical scheme：A kind of burning that reducibility gas is produced by secondary Stoichiometric combustion
Device, the burner include burner shell, gas gun, steam spraying gun, combustion-supporting airduct, air register, air cyclone, length
Bright lamp, heat shield liner；Described gas gun is dismountable diffusion type spray gun, is arranged in the center of burner shell head venturi
Position, two steam spraying guns are arranged at burner shell close to exit, are arranged symmetrically along the tangential direction of burner shell；Institute
The combustion-supporting airduct stated is arranged in burner shell head center position, and inside combustion-supporting airduct and exit is along combustion-supporting wind flow side
To being sequentially arranged air register and air cyclone；Described altar lamp is arranged in inside burner insulated lining close to aditus laryngis
Position, also serve as burning torch use；Described insulated lining is arranged in burner casing body, forms a stable burning room.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, the whole combustion described in it
Burner enclosure interior is respectively provided with fire resisting and insulated lining；There are two visors and two flame detectors on described burner,
It is separately positioned on the position that burner shell head is easy to observe and detected；Combustion air according to secondary chemical equivalent control flow enters
After entering combustion-supporting airduct, first by air register, a part is up along air register outer wall, along air register after turning back
Inner barrel is descending, goes out air register, another part is descending along air register outer wall, is mixed with another part, makes combustion air
It is uniformly distributed along combustion-supporting airduct outlet.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, its center visor pass through
Flange is arranged on the center sleeve of gas gun, and gas gun is arranged on combustion-supporting airduct by flange, the combustion of gas gun
Gas blowout head is reached at the mixing chamber of burner shell, and combustion-supporting airduct is connected with air cyclone by flange, is sequentially fixed at combustion
Burner housing upper, air register are served as a contrast by the way that guide vane point is welded on the fuel gas pipeline outer wall of gas gun to fix
In be arranged on by anchor studs on burner shell, and be enclosed on outside outside mixing chamber, form thermal protection structure, attachment interface welding
It is used to igniter, visor and flame detector are installed on burner shell and through lining.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, the center described in it regards
Mirror includes visor sealing gland, endoscopy glass and stainless steel ball valve；Endoscopy glass be fixed on visor gland and stainless steel ball valve it
Between, it is easy to observe flame of centre and online dismounting.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, the gas injection described in it
Rifle includes visor cooling air inlet, fuel gas inlet, mounting flange, fuel gas pipeline, center sleeve and gas spray head；Wherein, fire
Gas spray gun is sleeved structure, and center sleeve is visor passage, and front end is provided with visor cooling air inlet, when unlatching center visor
Ball valve observation flame when, can prevent high-temperature flue gas from scalding；Fuel gas inlet is arranged on the front portion of fuel gas pipeline, and gas spray head is set
In the afterbody of fuel gas pipeline, mounting flange is used to gas gun being fixed on combustion-supporting airduct；In the front end conical surface of gas spray head
On be provided with multiple tangential gas jet orifices, jet-flow is sprayed in eddy flow state, rotation direction and air cyclone blade rotation direction are kept
Unanimously.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, the combustion air described in it
Pipe includes combustion air inlet and combustion air pipeline；Combustion air inlet is arranged in the middle part of combustion air pipeline, gas injection
Rifle and air register are arranged in combustion air pipeline.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, the air described in it are posted
Storage includes two register cover plates, air flow channel, guide vanes；Wherein, two register cover plates are respectively arranged at air stream
The front-end and back-end in road, guide vane are respectively arranged at the front-end and back-end inside air flow channel, and are in interlaced arrangement, make combustion-supporting
Air after air flow channel along axis by can uniformly flow out, the boss ratio n/N of air inlet cyclone, in design register
Take between 0.4~0.6；Described air cyclone includes combustion air runner, swirl vane；Wherein, swirl vane is bending
Blade, in combustion air runner.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, the burner described in it
Housing includes housing, burner mounting flange, mixing chamber and mixing chamber outlet；Wherein, housing forward end, which is provided with, is used to fix air
The Internal thread flange of cyclone and combustion-supporting airduct, shell end connection burner mounting flange, mixing chamber are welded on spiral shell in front end
It is shrinkage type structure on line, angle of throat β, β choose 60 °~90 °.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, lining described in it
Including anchor studs, heat insulating casting material and castable refractory；Described heat insulating casting material and castable refractory passes through interlaced arrangement
Anchor studs are cast in burner shell wall.
A kind of burner that reducibility gas is produced by secondary Stoichiometric combustion as described above, the steam spray described in it
Rifle includes steam inlet, mounting flange, steam pipework and steam jet；Wherein, steam inlet is arranged at steam pipework front end, steams
Vapour shower nozzle is arranged at steam pipework end, and a steam fumarole is provided with steam jet, and opening direction is steam jet obliquely
Subtended angle is δ, generally takes 15 °~30 °；Two steam spraying guns are tangentially symmetrical to be arranged on burner shell, makes two strands of steam jets
It is sufficiently mixed in eddy flow state with high-temperature flue gas, and necessary water vapour is provided for hydrogen production reaction；The circle of contact of two steam spraying guns
Radius is L, and in order to reach preferable mixed effect, design L/D is taken between 0.25~0.35.
Effect of the invention is that：
The basic structure of the present invention includes：Gas gun, steam spraying gun, airduct, air register, air cyclone, length
The parts such as bright lamp, housing, lining and attachment interface.Gas gun is dismountable diffusion type spray gun, is arranged in burner throat
Center, two steam spraying guns are arranged symmetrically along the tangential direction of housing, and combustion air is via airduct, register and rotation
Stream device enters burner throat, and altar lamp is arranged in the position that aditus laryngis side is easy to igniting, also serves as burning torch use, and lining passes through anchoring
Nail is arranged in burner casing body, forms a Small Combustion room, while plays a part of thermal protection, also has two on burner
Visor and two fire inspections, are separately positioned on the position for being easy to observe and detecting.
The major function of the present invention has two：
The combustion gas of function one carries out baker with oxygen enriching burning and body of heater heats up；This is the prerequisite bar for carrying out technique productions
Part, detailed process are：Combustion gas enters nozzle of the gas gun through spray gun afterbody and sprayed, and forms multiply dispersive jet；Combustion air
Enter by airduct, rationally classification distribution is carried out by register pair combustion air, then the cyclone through aditus laryngis front end produces rotation
Turn jet, form stable recirculating zone, air rotating jet mixes through igniter point with combustion gas dispersive jet in small combustion chamber
Combustion, produce swirl flame and baker and heating are carried out to heating furnace.
The combustion gas of function two carries out technique productions with the oxygen debt burning of air；This is the major function of the burner, detailed process
For：Combustion gas enters nozzle of the gas gun through spray gun afterbody and sprayed, and forms multiply dispersive jet；In order to meet hydrogen yield, help
Air is fired according to excess air coefficient 0.7~0.75, is entered through airduct, is passed sequentially through register, cyclone, air rotating jet
It is sufficiently mixed and burns with combustion gas dispersive jet, sprays into 0.25~0.35 times that measures gas quantity of steam, respectively enter two
Steam spraying gun, the spray orifice through spray gun afterbody spray, and steam spraying gun is arranged at small combustion chamber postmedian in housing, due to two spray guns
In tangentially symmetrical arrangement, two strands of steam jets in small burning in eddy flow state and with Some gases hybrid reaction, generate hydrogen,
The steam sprayed into simultaneously also acts as reduction flame temperature, so as to the effect of protective lining.
Burner of the present invention uses Modular Structure Design, has easy to operate elasticity big, flameholding efficiency high, is firing
With design fuel and operational load in the range of do not analyse carbon, noncoking, do not block, long lifespan the advantages that.
Burner of the present invention can blend the measures such as position, angle by changing swirl strength with steam, reach control flame
Moulding and the purpose in temperature field, make natural gas that redox reaction occur under oxygen debt state, produce reducibility gas, meet work
Process system needs.
During burner operation of the present invention, natural gas, combustion air and steam Set scale adjustment control, model can adjust
Enclose relatively extensively, between wherein the adjustable extent of excess air coefficient is 0.6~1.2, the proportion adjustment scope of steam and gas is
Between 0.25~0.5.Surveyed through scene operation, analysis carbon point of this burner in natural gas fuel is 6.5, and flame keeps steady
It is fixed not extinguish.
Brief description of the drawings
Fig. 1：The burner installation diagram of the present invention；
Fig. 2：The center mirror structure figure of the present invention；
Fig. 3：The gas gun structure chart of the present invention；
Fig. 4：The combustion-supporting air duct structure figure of the present invention；
Fig. 5：The air register architecture figure of the present invention；
Fig. 6：The air cyclone structure chart of the present invention；
Fig. 7：The burner shell structure chart of the present invention；
Fig. 8：The lining structure figure of the present invention；
Fig. 9：The steam spraying gun structure chart of the present invention；
Figure 10：The gas spray head perforate schematic diagram of the present invention；
Figure 11：The steam spraying gun layout drawing of the present invention；
In figure：1. center visor, 2. gas guns, 3. combustion-supporting airducts, 4. air registers, 5. attachment interfaces, 6. air
It is cyclone, 7. burner shells, 8. insulated linings, 9. steam spraying guns, 11. visor sealing glands, 12. endoscopy glass, 13. stainless
Steel ball valve, 14. visor cooling air inlets, 15. fuel gas inlets, 16. mounting flanges, 17. fuel gas pipelines, 18. center sleeves, 19.
Gas spray head, 20. combustion air inlets, 21. combustion air pipelines, 22. register cover plates, 23. air flow channels, 24. water conservancy diversion leaves
Piece, 25. combustion air runners, 26. swirl vanes, 27. housings, 28. burner mounting flanges, 29. mixing chambers, 30. mixing chambers
Outlet, 31. anchor studs, 32. heat insulating casting materials, 33. castable refractories, 34. steam inlets, 35. mounting flanges, 36. steam pipes
Road, 37. steam jets；
Wherein：α is jet-flow axial direction subtended angle；β is mixing chamber angle of throat；D is mixing chamber outlet diameter；N is register
Internal diameter, i.e. fuel gas pipeline external diameter；N is register external diameter；γ is the refractory liner angle of flare；H is combustion chamber axial length；D is combustion
Burn room outlet diameter；δ is steam jet subtended angle；θ is the tangential deflection angle of spray orifice；L is spray gun axis runout distance between center line, i.e.,
The circle of contact radius of spray gun.
Embodiment
Reproducibility is produced by secondary Stoichiometric combustion to one kind of the present invention with instantiation below in conjunction with the accompanying drawings
The burner of gas is further described.
As shown in figure 1, a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion of the present invention, its
Including burner shell 7, gas gun 2, steam spraying gun 9, combustion-supporting airduct 3, air register 4, air cyclone 6, altar lamp,
Lining 8.Described gas gun 2 is dismountable diffusion type spray gun, is arranged in the centre bit of the head venturi of burner shell 7
Put, two steam spraying guns 9 are arranged at burner shell 7 close to exit, are arranged symmetrically along the tangential direction of burner shell 7；
Described combustion-supporting airduct 3 is arranged in the head center position of burner shell 7, in the inside of combustion-supporting airduct 3 and exit along combustion air
Flow direction is sequentially arranged air register 4 and air cyclone 6；Described altar lamp is arranged in burner insulated lining 8
Portion also serves as burning torch use close to the position of aditus laryngis；Described lining 8 is arranged in burner shell 7, forms a stable burning room.
Fire resisting and insulated lining 8 are respectively provided with inside whole burner shell 7；Also have on described burner two visors and
Two flame detectors, it is separately positioned on the position that the head of burner shell 7 is easy to observe and detected；According to secondary chemical equivalent control
After the combustion air of flow processed enters combustion-supporting airduct 3, first by air register 4, a part is along the outer wall of air register 4
OK, it is descending along the inner barrel of air register 4 after turning back, go out air register 4, another part is descending along the outer wall of air register 4,
Mixed with another part, combustion air is uniformly distributed along the combustion-supporting outlet of airduct 3.
As shown in Fig. 2 the primary structure of the center visor 1 of the present invention includes：Visor sealing gland 11, the and of endoscopy glass 12
Stainless steel ball valve 13.Endoscopy glass 12 is fixed between visor gland 11 and stainless steel ball valve 13, be easy to observe flame of centre and
Online dismounting.Center visor 1 of the present invention is arranged on by flange on the center sleeve 18 of gas gun 2.
As shown in figure 3, the primary structure of the gas gun 2 of the present invention includes：Visor cooling air inlet 14, fuel gas inlet
15th, mounting flange 16, fuel gas pipeline 17, center sleeve 18 and gas spray head 19.Gas gun 2 is sleeved structure, center
Pipe 18 is visor passage, and front end is provided with visor cooling air inlet 14, can when the ball valve for opening center visor 1 observes flame
Prevent high-temperature flue gas from scalding.Fuel gas inlet 15 is arranged on the front portion of fuel gas pipeline 17, and gas spray head 19 is arranged on fuel gas pipeline 17
Afterbody, mounting flange 16 is used to gas gun 2 being fixed on airduct 3.The gas spray head 19 of gas gun 2 reaches burner
At the mixing chamber 29 of housing 7.Multiple tangential gas jet orifices are provided with the front end conical surface of gas spray head 19, make jet-flow in rotation
Stream mode is sprayed, and rotation direction is consistent with air cyclone blade rotation direction, referring to Figure 10.The axial subtended angle of jet-flow is α, is cut
It is θ to deflection angle, by adjusting α and θ, the size of swirl strength and Central backflow area can be controlled, obtains stable combustion gas
The effect of burning, α is more big, and then recirculating zone is bigger, and θ is more big, and then swirl strength is bigger.
As shown in figure 4, the primary structure of the combustion-supporting airduct 3 of the present invention includes：Combustion air inlet 20 and combustion-aid air pipe
Road 21.Combustion air inlet 20 is arranged on the middle part of combustion air pipeline 21.Gas gun 2 and air register 4 are arranged on combustion-supporting
In air pipe line 21.
As shown in figure 5, the primary structure of the air register 4 of the present invention includes：Register cover plate 22, air flow channel 23,
Guide vane 24.Two register cover plates 22 are respectively arranged at the front-end and back-end of air flow channel 23, and guide vane 24 is set respectively
Front-end and back-end being placed in inside air flow channel 23, and be in interlaced arrangement, make combustion air by can be along axle after air flow channel 23
Line uniformly flows out, air inlet cyclone 6.The internal diameter n of register depends on the diameter of fuel gas pipeline 17, and external diameter N size is determined
Determine the amount into the air of register, while the excessive resistances that can also make combustion-supporting airduct 3 of external diameter N increase, n/N takes in design
Between 0.4~0.6 (such as：N/N takes 0.4,0.5 or 0.6).Combustion-supporting airduct 3 is connected with air cyclone 6 by flange, successively
The top of housing 7 is fixed on, air register 4 passes through on 24 points of outer walls of fuel gas pipeline 17 for being welded in gas gun 2 of guide vane
To fix,
As shown in fig. 6, the primary structure of the air cyclone 6 of the present invention includes：Combustion air runner 25, swirl vane
26.Swirl vane 26 is camber blades, and in combustion air runner 25, the swirl strength of combustion air can pass through adjustment
The leaf and quantity of swirl vane 26 realizes that increase swirl strength can strengthen root air-supply, flame is become tubbiness and become clear.
As shown in fig. 7, the primary structure of the burner shell 7 of the present invention includes：Housing 27, burner mounting flange 28,
Mixing chamber 29 and mixing chamber outlet 30.The front end of housing 27 is provided with the Internal thread flange for being used for fixing air cyclone 6 and airduct 3,
The end of housing 27 connection burner mounting flange 28, mixing chamber 29 is welded in the Internal thread flange of front end, is shrinkage type structure, is received
Contracting angle beta, the section of mixing chamber outlet 30 is minimum, a diameter of d.Angle of throat β typically 60 °~90 ° of selections (such as：60 °, 75 ° or
90°).The diameter d of mixing chamber outlet 30 decides the pressure drop of flame diameter, length and burner, and mixing chamber outlet diameter d is smaller,
The swirl strength of mixing chamber outlet is lower, and burner pressure drop is bigger, and flame diameter is smaller, and flame increases.Diameter d big I is led to
The axial velocity design of mixing chamber exit flow is crossed, design chooses 30m/s, should suitably increase gas velocity for inflammable process gas,
It should suitably reduce gas velocity for fire retardant process gas.
As shown in figure 8, the primary structure of the lining 8 of the present invention includes：Anchor studs 31, heat insulating casting material 32 and refractory casting
Material 33.Heat insulating casting material 32 and castable refractory 33 are cast in burner shell 27 with mixing by the anchor studs 31 of interlaced arrangement
In the outside wall surface of room 29, and an a diameter of D is formed, length is H inner combustion chamber, and γ is mixing chamber outlet 30 to combustion chamber
The angle of flare.The main function of inner combustion chamber is to ensure that combustion gas is burnt with time equivalent combustion air in stable recirculating zone, and is
Steam blending cooling provides space.The diameter D of inner combustion chamber is mainly relevant with the axial jet angle of flare α of gas spray head, length H
It is mainly relevant with recirculating zone size and steam blending position.Lining 8 is arranged on burner shell 7 by anchor studs 31, and
It is enclosed on outside outside mixing chamber 29, forms thermal protection structure, attachment interface 5 is welded on burner shell 7 and is used for through lining 8
The accessories such as igniter, visor and flame detector are installed.
As shown in figure 9, the primary structure of the steam spraying gun 9 of the present invention includes：Steam inlet 34, mounting flange 35, steam
Pipeline 36 and steam jet 37.Steam inlet 34 is arranged at the front end of steam pipework 36, and steam jet 37 is arranged at steam pipework 36
End, a steam fumarole is provided with steam jet 37, opening direction is obliquely, steam jet subtended angle is δ, generally takes 15 °
~30 ° (such as：15 °, 25 ° or 30 °).Referring to Figure 11, two steam spraying guns 9 are tangentially symmetrical be arranged in inner combustion chamber after
Portion, two strands of steam jets is sufficiently mixed in eddy flow state with high-temperature flue gas, and necessary water vapour is provided for hydrogen production reaction.Two
The circle of contact radius of root steam spraying gun is L, in order to reach preferable mixed effect, L/D generally take 0.25~0.35 (such as：0.25、
0.30 or 0.35).
Claims (10)
- A kind of 1. burner that reducibility gas is produced by secondary Stoichiometric combustion, it is characterised in that：The burner includes combustion Burner housing (7), gas gun (2), steam spraying gun (9), combustion-supporting airduct (3), air register (4), air cyclone (6), Altar lamp, insulated lining (8)；Described gas gun (2) is dismountable diffusion type spray gun, is arranged in the centre bit of burner shell (7) head venturi Put, two steam spraying guns (9) are arranged at burner shell (7) close to exit, symmetrical along the tangential direction of burner shell (7) Arrangement；Described combustion-supporting airduct (3) is arranged in burner shell (7) head center position, in combustion-supporting airduct (3) inside and outlet Place is sequentially arranged air register (4) and air cyclone (6) along combustion air flow direction；Described altar lamp is arranged in the position of the internal close aditus laryngis of burner insulated lining (8), also serves as burning torch use；Described insulated lining (8) is arranged in burner shell (7), forms a stable burning room.
- 2. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Fire resisting and insulated lining (8) are respectively provided with inside described whole burner shell (7)；Also have two on described burner Individual visor and two flame detectors, it is separately positioned on the position that burner shell (7) head is easy to observe and detected；According to secondary It is a part of along air first by air register (4) after the combustion air of chemical equivalent control flow enters combustion-supporting airduct (3) Register (4) outer wall is up, descending along air register (4) inner barrel after turning back, and goes out air register (4), another part edge Air register (4) outer wall is descending, is mixed with another part, combustion air is uniformly distributed along combustion-supporting airduct (3) outlet.
- 3. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Center visor (1) is arranged on by flange on the center sleeve (18) of gas gun (2), and gas gun (2) passes through flange On combustion-supporting airduct (3), the gas spray head (19) of gas gun (2) reaches mixing chamber (29) place of burner shell (7), Combustion-supporting airduct (3) is connected with air cyclone (6) by flange, is sequentially fixed at burner shell (7) top, air register (4) by the way that guide vane (24) point is welded on fuel gas pipeline (17) outer wall of gas gun (2) to fix, lining (8) passes through Anchor studs (31) are arranged on burner shell (7), and are enclosed on mixing chamber (29) outside outside, form thermal protection structure, annex connects Mouth (5) is welded on burner shell (7) and is used to install igniter, visor and flame detector through lining (8).
- 4. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Described center visor (1) includes visor sealing gland (11), endoscopy glass (12) and stainless steel ball valve (13)；Visor Glass (12) is fixed between visor gland (11) and stainless steel ball valve (13), is easy to observe flame of centre and online dismounting.
- 5. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Described gas gun (2) includes visor cooling air inlet (14), fuel gas inlet (15), mounting flange (16), combustion gas Pipeline (17), center sleeve (18) and gas spray head (19)；Wherein, gas gun (2) is sleeved structure, center sleeve (18) For visor passage, front end is provided with visor cooling air inlet (14), can when the ball valve for opening center visor (1) observes flame Prevent high-temperature flue gas from scalding；Fuel gas inlet (15) is arranged on the front portion of fuel gas pipeline (17), and gas spray head (19) is arranged on combustion gas The afterbody of pipeline (17), mounting flange (16) are used to gas gun (2) being fixed on combustion-supporting airduct (3)；In gas spray head (19) multiple tangential gas jet orifices are provided with the front end conical surface, jet-flow is sprayed in eddy flow state, rotation direction and air swirl Device blade rotation direction is consistent.
- 6. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Described combustion-supporting airduct (3) includes combustion air inlet (20) and combustion air pipeline (21)；Combustion air inlet (20) it is arranged in the middle part of combustion air pipeline (21), gas gun (2) and air register (4) are arranged on combustion air pipeline (21) in.
- 7. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Described air register (4) includes two register cover plates (22), air flow channel (23), guide vane (24)；Its In, two register cover plates (22) are respectively arranged at the front-end and back-end of air flow channel (23), and guide vane (24) is set respectively In the internal front-end and back-end of air flow channel (23), and it is in interlaced arrangement, combustion air is passed through energy edge after air flow channel (23) Axis is uniformly flowed out, air inlet cyclone (6), and the boss ratio n/N of register is taken between 0.4~0.6 in design；Described air cyclone (6) includes combustion air runner (25), swirl vane (26)；Wherein, swirl vane (26) is Camber blades, in combustion air runner (25).
- 8. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Described burner shell (7) goes out including housing (27), burner mounting flange (28), mixing chamber (29) and mixing chamber Mouth (30)；Wherein, housing (27) front end is provided with the Internal thread flange for being used for fixing air cyclone (6) and combustion-supporting airduct (3), shell Body (27) end connection burner mounting flange (28), mixing chamber (29) is welded on the internal thread of front end, is shrinkage type structure, is received Contracting angle beta, β choose 60 °~90 °.
- 9. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Described lining (8) includes anchor studs (31), heat insulating casting material (32) and castable refractory (33)；Described is heat-insulated Castable (32) and castable refractory (33) are cast in burner shell (7) wall by the anchor studs (31) of interlaced arrangement.
- 10. a kind of burner that reducibility gas is produced by secondary Stoichiometric combustion according to claim 1, its feature It is：Described steam spraying gun (9) includes steam inlet (34), mounting flange (35), steam pipework (36) and steam jet (37)；Wherein, steam inlet (34) are arranged at steam pipework (36) front end, and steam jet (37) is arranged at steam pipework (36) end Hold, a steam fumarole is provided with steam jet (37), opening direction is obliquely, steam jet subtended angle is δ, generally takes 15 ° ~30 °；Two steam spraying guns (9) are tangentially symmetrical to be arranged on burner shell (7), make two strands of steam jets in eddy flow state with High-temperature flue gas is sufficiently mixed, and provides necessary water vapour for hydrogen production reaction；The circle of contact radius of two steam spraying guns is L, in order to Reach preferable mixed effect, design L/D is taken between 0.25~0.35.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039124.0A CN107702117B (en) | 2017-10-30 | 2017-10-30 | Combustor for preparing reducing gas by secondary stoichiometric burning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711039124.0A CN107702117B (en) | 2017-10-30 | 2017-10-30 | Combustor for preparing reducing gas by secondary stoichiometric burning |
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| CN107702117A true CN107702117A (en) | 2018-02-16 |
| CN107702117B CN107702117B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237494A (en) * | 2018-09-20 | 2019-01-18 | 方政 | A kind of environment-protection low-consumption burner |
| CN113494708A (en) * | 2021-07-14 | 2021-10-12 | 长沙理工大学 | Modular gas burner and operation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406610A (en) * | 1975-12-30 | 1983-09-27 | Shell Oil Company | Process and burner for the partial combustion of a liquid or gaseous fuel |
| JPS63252903A (en) * | 1987-04-08 | 1988-10-20 | Kobe Steel Ltd | Device for generating reducing gas |
| CN101297157A (en) * | 2005-10-28 | 2008-10-29 | 乔治洛德方法研究和开发液化空气有限公司 | Low-nitrogen oxide combustion technique and device |
| CN101881441A (en) * | 2010-06-18 | 2010-11-10 | 王兴道 | Gasification combustion hydrolyzing auxiliary combustion device and method of pulverized coal |
| KR20100137203A (en) * | 2009-06-22 | 2010-12-30 | 주식회사 건화 | Super heating steam water gas burner |
| CN204607936U (en) * | 2014-10-30 | 2015-09-02 | 莫银斌 | A kind of long lifetime burner of coal gasification process |
| CN206112948U (en) * | 2016-10-21 | 2017-04-19 | 上海蓝州环保科技有限公司 | Gasification gas pyrolysis burner |
| CN206207419U (en) * | 2016-11-02 | 2017-05-31 | 广州汇迪新能源科技有限公司 | The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus |
| CN207610219U (en) * | 2017-10-30 | 2018-07-13 | 北京航化节能环保技术有限公司 | A kind of burner for producing reducibility gas by secondary Stoichiometric combustion |
-
2017
- 2017-10-30 CN CN201711039124.0A patent/CN107702117B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406610A (en) * | 1975-12-30 | 1983-09-27 | Shell Oil Company | Process and burner for the partial combustion of a liquid or gaseous fuel |
| JPS63252903A (en) * | 1987-04-08 | 1988-10-20 | Kobe Steel Ltd | Device for generating reducing gas |
| CN101297157A (en) * | 2005-10-28 | 2008-10-29 | 乔治洛德方法研究和开发液化空气有限公司 | Low-nitrogen oxide combustion technique and device |
| KR20100137203A (en) * | 2009-06-22 | 2010-12-30 | 주식회사 건화 | Super heating steam water gas burner |
| CN101881441A (en) * | 2010-06-18 | 2010-11-10 | 王兴道 | Gasification combustion hydrolyzing auxiliary combustion device and method of pulverized coal |
| CN204607936U (en) * | 2014-10-30 | 2015-09-02 | 莫银斌 | A kind of long lifetime burner of coal gasification process |
| CN206112948U (en) * | 2016-10-21 | 2017-04-19 | 上海蓝州环保科技有限公司 | Gasification gas pyrolysis burner |
| CN206207419U (en) * | 2016-11-02 | 2017-05-31 | 广州汇迪新能源科技有限公司 | The built-in steam protection of biological flue gas nozzles and low nitrogen reduction apparatus |
| CN207610219U (en) * | 2017-10-30 | 2018-07-13 | 北京航化节能环保技术有限公司 | A kind of burner for producing reducibility gas by secondary Stoichiometric combustion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109237494A (en) * | 2018-09-20 | 2019-01-18 | 方政 | A kind of environment-protection low-consumption burner |
| CN113494708A (en) * | 2021-07-14 | 2021-10-12 | 长沙理工大学 | Modular gas burner and operation method thereof |
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|---|---|
| CN107702117B (en) | 2023-11-14 |
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