CN101490474A - Non-centric oxy-fuel burner for glass melting systems - Google Patents

Non-centric oxy-fuel burner for glass melting systems Download PDF

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Publication number
CN101490474A
CN101490474A CNA2007800259207A CN200780025920A CN101490474A CN 101490474 A CN101490474 A CN 101490474A CN A2007800259207 A CNA2007800259207 A CN A2007800259207A CN 200780025920 A CN200780025920 A CN 200780025920A CN 101490474 A CN101490474 A CN 101490474A
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CN
China
Prior art keywords
burner
transmission parts
flow path
fuel
flue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2007800259207A
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Chinese (zh)
Inventor
N·G·辛普森
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde LLC
Original Assignee
Linde Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Linde Inc filed Critical Linde Inc
Publication of CN101490474A publication Critical patent/CN101490474A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
    • F23C5/02—Structural details of mounting
    • F23C5/06—Provision for adjustment of burner position during operation
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235—Heating the glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/235—Heating the glass
    • C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/02—Forehearths, i.e. feeder channels
    • C03B7/06—Means for thermal conditioning or controlling the temperature of the glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
    • C03B7/02—Forehearths, i.e. feeder channels
    • C03B7/06—Means for thermal conditioning or controlling the temperature of the glass
    • C03B7/065—Means for thermal conditioning or controlling the temperature of the glass by combustion with pure oxygen or oxygen-enriched air
    • 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
    • F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
    • F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
    • 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
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Melting And Manufacturing (AREA)
  • Pre-Mixing And Non-Premixing Gas Burner (AREA)
  • Gas Burners (AREA)

Abstract

The invention relates to a burner and a method of combustion for a furnace or a forehearth including a gas delivery member and a fuel delivery member having a portion thereof disposed at an interior of the gas delivery member and offset or angled from a longitudinal axis of the gas delivery member to provide gaseous oxidant and fuel flows for combustion.

Description

The non-central oxy-fuel burner that is used for glass melting systems
Technical field
The present invention relates to a kind of burner that is used for stove and furnace system.
Background technology
In the bizet of glass-melting furnace, used the conical concentric oxy-fuel burner in smelting furnace, to carry out the batch fusing already.Be installed in the hole in case in furnace crown, get out pre-determined bit hole and burner block, if can not change from the direction of the turbulent flame of burner emission then have restriction.If flame needs different directions, then need to get out and install alternative (different) burner aperture to relocate burner and to strengthen flame.Adopt the existing melter designs of steelwork and bizet expansion joint often to limit burner and can be installed in position in the smelting furnace, then can not always realize optimum flame coverage or over-tilting burner block, thereby the burner fire flame effect is relatively poor.Concentric oxy-fuel burners produces the taper flame perpendicular to melt, and this taper flame produces circular flame pattern at the melt place again.Limit total flame coverage at melt surface place by the gained flame pattern of a plurality of isolated burners generations.Evenly burning in the combustion space of concentric burners above melt.The uniformity of this burning and intensity can provide the free space between bizet and the melt interior overfire, produce the heat transmission of non-optimum and more nitrogen oxide (NO at the melt surface place x).Horizontal firing device and be used in the burner in the forehearth of smelting furnace and also can produce above-mentioned restriction and shortcoming.
Summary of the invention
A kind of burner such as oxy-fuel burner that is used for stove or forehearth is provided, and described burner comprises gas transmission parts and fuel transmission parts, and the fuel transmission parts has the part that is arranged on gas transmission parts inside and departs from the longitudinal axis of gas transmission parts.
A kind of method that is used at stove or forehearth burning product also is provided, comprises: provide gaseous oxidant stream to stove or forehearth along first flow path; Along providing gaseous fuel flow to stove or forehearth with first second flow path that flows path deviation; First flow path is exposed to second flow path; And burning gases oxidant and gaseous fuel are to provide non-circular combustion zone.
A kind of burner also is provided, and nationality can rotate one or more gases or fuel transmission parts with the discharging angle of control burner flame and the non-circular combustion zone of generation along its respective axis by it.
Description of drawings
In order to understand the present invention more fully, can be in conjunction with describing in detail with reference to accompanying drawing, in the accompanying drawing:
Figure 1A illustrates the sectional plan view of the burner of the present invention that is used for smelting furnace.
Figure 1B illustrates along the cutaway view of the burner of the line 1B-1B of Figure 1A.
Fig. 2 A illustrates the sketch of another embodiment of burner of the present invention.
Fig. 2 B illustrates along the diagrammatic cross-sectional view of the line 2B-2B of Fig. 2 A.
Fig. 3 A illustrates the sketch of another embodiment of burner of the present invention.
Fig. 3 B illustrates along the diagrammatic cross-sectional view of the line 3B-3B of Fig. 3 A.
The area of coverage (footprint) of the flame that is provided by burner of the present invention is provided Fig. 4.
Fig. 5 A illustrates the sketch of another embodiment of burner of the present invention.
Fig. 5 B illustrates along the diagrammatic cross-sectional view of the line 5B-5B of Fig. 5 A.
Fig. 6 A illustrates the partial sectional view of another embodiment of the burner of the present invention that is used for smelting furnace.
Fig. 6 B illustrates along the cutaway view of the burner of the line 6B-6B of Fig. 6 A.
Fig. 7 A illustrates the partial sectional view of the another embodiment of the burner of the present invention that is used for smelting furnace.
Fig. 7 B illustrates along the cutaway view of the burner of the line 7B-7B of Fig. 7 A.
Fig. 8 A illustrates the partial sectional view of another embodiment of the burner of the present invention that is used for smelting furnace.
Fig. 8 B illustrates along the cutaway view of the burner of the line 8B-8B of Fig. 8 A.
Fig. 9 illustrates the cutaway view of the burner of the present invention in the burner block that is installed in smelting furnace.
The specific embodiment
With reference to Figure 1A and 1B, be used for the burner of the present invention 10 of the stove such as the forehearth of oxygen fuel glass-melting furnace or smelting furnace shown in the figure.Mention the burner that is used for smelting furnace and also comprise the burner that is used for forehearth.Burner 10 comprises flue 12 or the pipeline that for example is used to transmit gas oxygen, and this pipe or pipeline have exterior side wall 14, and this exterior side wall is constructed and arranged to be arranged in the burner block of smelting furnace.The gas that offers flue 12 and transmit in flue 12 is that for example oxygen purity is at the gaseous oxidant of gaseous state oxygen of 85%-100% and so on, and under the situation less than 100% oxygen, surplus can be nitrogen and/or other inert gas and combination thereof.The size and dimension of the inner space 16 of flue 12 is enough to admit cartridge 18 or the pipeline that is arranged on wherein.Cartridge 18 has exterior side wall 20 and inner space 22.
Flue 12 or oxidant pipe are for example crooked, and the bend pipe 24 of flue 12 is provided thus.Pipe 12 is communicated with gas source (not shown) fluid.The threaded exterior end 26 of flue 12 is provided to the unclamped connection of gas source.The end opposite of flue 12 or far-end 28 end in the burner block of smelting furnace (not shown) and are arranged on the chosen position place of the product melt top of fusing in the smelting furnace.The gaseous oxidizer that is provided can be the oxidant of the single type such as oxygen, perhaps also can be selected from the composition of gas.
The size and dimension of the inside 16 of flue 12 is arranged to admit the cartridge 18 that is arranged on wherein, shown in Figure 1A and 1B.Cartridge 18 is made of the material that helps to be exposed to the oxidant in the flue 12.Cartridge 18 has from the end or the near-ends 30 that extend near the bend pipe 24 of flue 12, and the end opposite of cartridge 18 or far-end 32 end at the position roughly the same with the end 28 of flue 12.Flue 12 can end at identical position with cartridge 18.Cartridge 18 is communicated with gaseous fuel source fluid such as natural-gas, propane, liquefied petroleum gas, synthesis gas (obtaining from organic solid, liquid or gas source or its composition) and composition thereof.Employed fuel can comprise single composition of planting gaseous fuel or fuel.From the end 30 of the outstanding cartridge 18 of flue 12 can also be to be used for unclamping the threaded section 31 that is connected to the gas fuel source (not shown).
Be provided with at interval or supporting member 34,36,38 cartridge 18 be bearing in the flue 12 and spaced relationship therebetween is provided and does not interrupt air-flow by flue 12.Weld seam or hermetically-sealed construction 40 are set to be sealed in cartridge 18 with 42 the circumference of will entering the mouth and to be inserted in the flue 12 that passes.
Also, clearly show that the setting of the cartridge 18 at flue 12 inner 16 places with reference to Figure 1B.24 positions that carry out the transition to linear structure begin parallel to each other basically from flue 12 from bend pipe for flue 12 and cartridge 18.But as can be seen cartridge 18 in flue 12 that right and wrong are set is concentric, promptly flue 12 and cartridge 18 are not shared public longitudinal axis.But the longitudinal axis 44 of flue 12 is with respect to vertical axial dipole field of cartridge 18, and is such as will be further discussed, to be provided as specific smelting furnace and burner flame and flame footprint territory will be provided at the product of melt in furnace.Burner may be adjusted to the change flame footprint.Because being suitable for (such as structure and the layout by its parts), flue and cartridge realize this change around its corresponding longitudinal axis 44,46 rotations.
The burner 10 of Figure 1A and 1B also is configured to a body unit, makes the flue of combination and cartridge unit can rotate the setting that is transmitted into the flame footprint territory in the smelting furnace from burner 10 optionally to control thus in burner block.
Fig. 2 A, 2B; 3A, 3B; 6A, 5B; 7A, 7B; And 8A, 8B illustrate other exemplary embodiment of burner constructed according to the invention respectively.Shown in these figure corresponding to the member of above-mentioned member among Figure 1A, the 1B with the respective drawings labeling indicia that adds 100,200,300,400 etc. respectively.
Fig. 2 A and 2B illustrate the schematic diagram of another embodiment of the burner 110 of Figure 1A, 1B.In Fig. 2 A and 2B, cartridge 118 is arranged in the flue 112 with tilt relationship (promptly non-parallel), makes to be transmitted into the non-circular footprint that flame in the smelting furnace also provides melt in the smelting furnace from burner.Burner 110 can have the flue 112 and the cartridge 118 of the unit that forms as one, and can carry out thus provides flame footprint by the rotation of this unit of arrow 60 expression with chosen position place on the melt in smelting furnace.360 ° of the rotatable mistakes of burner unit.Fig. 2 A illustrates for example gaseous oxidant stream and the gaseous fuel flow of smelting furnace.
Cartridge 218 also fully tilts to make the far-end 232 of cartridge contact with the far-end 228 of flue 212 in flue 212.This layout shown in Fig. 3 A and the 3B.
The a plurality of flame footprint 62 that provide by burner among the figure 10 (110,210 etc.) embodiment shown in Figure 4.The area of coverage from its related burner is represented in each non-circular footprint 62 or combustion zone.
With reference to Fig. 5 A and 5B, the burner 310 that cartridge 318 has 316 places, inside that are arranged on flue 312 is shown.Cartridge 318 shown in Fig. 5 B is with respect to flue 312 skews.
In Fig. 6 A and 6B, burner 410 is similar to burner 110 sketches shown in Fig. 2 A and the 2B.Specifically, cartridge 418 is introduced flues 412 with angle 48, make flue 412 and cartridge 418 straight part or straight line portion is not parallel and decentraction.Cartridge 418 shown in Fig. 6 B is with respect to flue 412 skews.
Fig. 7 A and 7B disclose a plurality of cartridges 518 that are arranged in the flue 512.A plurality of cartridges 518 can be arranged to separately and discrete pipe, or alternatively form or be arranged to the nested array or a body unit of cartridge, shown in Fig. 7 B.The layout of cartridge 518 is parallel to each other and be parallel to the straight line portion of the flue 512 that wherein is provided with cartridge 518 among Fig. 7 A.As other embodiments of the invention, these cartridges 518 and flue 512 can form a body unit that is installed in the burner block and rotate in burner block to control the flame footprint territory 526 at melt place in the smelting furnace subsequently.Cartridge 518 is with respect to the skew of flue 512 shown in Fig. 7 B.The array of cartridge 518 can be shared public threaded portion 531 releasably cartridge 518 is connected to fuels sources.
Cartridge 631 in the flue that is arranged on concentric setting shown in Fig. 8 A and the 8B.That is, main extraneous gas pipe 612 has size and dimension and is arranged to auxiliary internal flue 50 is received in wherein inside.Internal gas pipe 50 has size and dimension and is arranged to cartridge 618 is received in wherein inside 52.Internal gas pipe 50 has the inlet of aiming at the inlet 642 of extraneous gas pipe 612 54, thereby cartridge 618 can be inserted in the internal gas pipe 50.In Fig. 8 A, 8B, internal gas pipe 50 and cartridge 618 have along the public longitudinal axis 646 at rear portion separately and are concentric therefore.The orientation of cartridge 618 and flue 612,50 also is shown among Fig. 8 B.As other embodiments of the invention, the burner 610 of Fig. 8 A can form a body unit of the burner block that is used to be installed to smelting furnace.Cartridge 618 shown in Fig. 8 B is with respect to the skew of flue 612,50.
With reference to Fig. 9, the part that burner block 58 is installed in the bizet 56 of smelting furnace 57 wherein is shown.The burner 10 of Figure 1A is arranged in the burner block 58.Other embodiment of the burner (110,210,310,410,510,610) that should be appreciated that here to be disclosed also can be installed in the burner block 58.Burner 10 grades are suitable for moving along the direction of arrow 66,68.With respect to arrow 66, burner 10 can move to chosen position according to carry out desirable quantity combusted in burner block 58.The far-end of cartridge 18 and flue 12 ends in the burner block 58 as shown in the figure, otherwise if these pipes expose from burner block 58, the heat of smelting furnace atmosphere can be with these pipe fusings.The location of burner 10 in burner block 58 influences the burning in the burner block 58, and the momentum and the thrust of the flame that is provided by burner 10 are provided again for this.The flame of higher momentum produces the zone of the less area of coverage 62, and produces the zone of the bigger area of coverage 62 than the flame of low-momentum.Because for example the gaseous fuel of combustion oxidant with photooxidant and the zone 72 that trends towards appealing to higher oxidant concentration burn, so lower oxidant concentration is arranged at regional 70 places.
As shown in Figure 9, cartridge the far-end of the burner of the sidewall of close flue form rich flame from burner.The far-end of the burner of the side-walls from cartridge further from flue forms oxidized poor flame.The oxygen zone increase that the latter is provided for burning or that enlarge more provides microscler relatively shape thus in the flame burning zone 62 of the melt that impacts smelting furnace or the area of coverage, rather than circular.Also can be referring to Fig. 4.
Also can form the non-circular footprint shown in Fig. 4 by any or the combination among the embodiment of burner among the figure.
Burner of the present invention can be used for glass melting, refining and distribution.The exhaust position of cartridge is not concentric with oxygen channel, but staggered or skew.This skew of burner and/or rotation can change the direction of flame and change resulting flame footprint.Interlock or the degree of skew or the amount that amount can increase attainable flame direction.This skew can be by making fuel channel tilt with respect to oxygen channel and further increasing the weight of.For example, flue and cartridge have circular arc interface, but burner design can comprise flue and the cartridge with different cross section shape, include but not limited to ellipse, square, triangle, hexagon etc.Cartridge can have the shape of cross section different with flue.Also can utilize the pipe of a plurality of or classification.
Arrow the 66, the 68th, with respect to all burners 10 etc., embodiments of the invention can rotate in piece 58 like this.Each parts by flue and cartridge can carry out this rotation, or can carry out this rotation by a body unit that is formed by flue and cartridge.
In combustion process, fuel and oxidant reaction.By skew pipe 12,18, form rich fuel flame in the hithermost position of two pipes, and form poor fuel region in the position that two pipes separate farthest.The rich fuel meat of flame can react with the oxidant of poor fuel-side.This classification also provides the nitrogen oxide (NOx) of reduction and increases the advantage that heat is transmitted.This classification reduces the amount of precombustion in the burner block 58 and reduces from the momentum of the flame of burner block appearance.When flame is turbulent flow, can reduces the lip-deep speed of batch of material and reduce the volatilization that includes but not limited to boron and plumbous batch of material composition than the flame of low-momentum.
Flame transmits with respect to increasing the time of parking of carbon in the fuel and form the luminosity and the heat that increase via radiation by carbon black than low-momentum of smelting furnace.The major advantage of this invention is flue 12 and cartridge 18 skews, and therefore gas stream and the skew of fuel stream, and the such offset delay gaseous fuel and the mixing of gaseous oxidant are till flame impingement raw batch surface 64.Excess of oxygen from the poor fuel meat of flame continues along its main direction away from remaining propellant composition.The flame footprint 62 or the combustion zone that produce are non-circular, shown in Fig. 4 and 9.The non-circular flame burn zone can make more energy be directed in the melting range.
Flame makes flame not impact the surface of melt with respect to forehearth that is used for smelting furnace or distributor than low-momentum, but " curling " or change direction to become the surface that is arranged essentially parallel to melt.
Should be appreciated that embodiment described here only is exemplary, and those skilled in the art can make various changes and modifications and without departing from the spirit and scope of the present invention.All these variants and modifications all mean in the scope that is included in claims described here.Should be appreciated that the various embodiments described above are not only alternative also capable of being combined.

Claims (19)

1. burner that is used for stove or forehearth, described burner comprises gas transmission parts and fuel transmission parts, described fuel transmission parts has that to be arranged on described gas transmission parts inner and deviate from the part of the longitudinal axis of described gas transmission parts.
2. burner as claimed in claim 1 is characterized in that, the described part of the part of described gas transmission parts and described fuel transmission parts is parallel to each other.
3. burner as claimed in claim 1 is characterized in that, the described part of described fuel transmission parts is arranged on the described inside of described gas transmission parts with an angle.
4. burner as claimed in claim 1 is characterized in that, described gas transmission parts and described fuel transmission parts form a body unit.
5. burner as claimed in claim 1 is characterized in that, each in described gas transmission parts and the described fuel transmission parts is suitable for being rotated motion.
6. burner as claimed in claim 1 is characterized in that, described gas transmission parts comprises flue.
7. burner as claimed in claim 1 is characterized in that, described gas transmission parts comprises first flue with first inside; And be arranged on the described first inner and have second flue of second inside of described first flue; The size and dimension of described second inside is arranged to the part of described fuel transmission parts is received in wherein.
8. burner as claimed in claim 1 is characterized in that, described fuel transmission parts comprises cartridge.
9. burner as claimed in claim 1 is characterized in that, described fuel transmission parts comprises a plurality of cartridges.
10. burner as claimed in claim 9 is characterized in that, described a plurality of cartridges are body units.
11. burner as claimed in claim 9 is characterized in that, described a plurality of cartridges are arranged on the described inside of described gas transmission parts with an angle.
12. burner as claimed in claim 1 is characterized in that, also comprises at least one supporting member, described supporting member is arranged to support described gas transmission parts with respect to described fuel transmission parts relation at interval.
13. a method that is used at stove or forehearth burning product comprises: provide gaseous oxidant stream along first flow path to described stove; Along providing gaseous fuel flow to described stove with described first second flow path that flows path deviation; Described first flow path is exposed to described second flow path; And burn described gaseous oxidant and described gaseous fuel are to provide non-circular combustion zone.
14. method as claimed in claim 13 is characterized in that, described first flow path and the relative to each other angled setting of described second flow path.
15. method as claimed in claim 13, it is characterized in that, comprise also along the 3rd flow path providing another gaseous oxidant stream that described the 3rd flow path is arranged in described first flow path and is arranged to described second flow path is received in wherein to described stove.
16. method as claimed in claim 13 is characterized in that, described first flow path and described second flow path relative to each other can change to control the setting of described non-circular combustion zone.
17. method as claimed in claim 13 is characterized in that, described gaseous oxidant is selected from by oxygen, oxygen and nitrogen, oxygen and other inert gas and a group of constituting thereof.
18. method as claimed in claim 13 is characterized in that, described gaseous fuel is selected from by natural gas, propane, liquefied petroleum gas, synthesis gas and a group of constituting thereof.
19. method as claimed in claim 18 is characterized in that, described forming gas obtains from being selected from by organic solid source, organic liquor body source, organic gas source and one group source constituting thereof.
CNA2007800259207A 2006-06-05 2007-05-25 Non-centric oxy-fuel burner for glass melting systems Pending CN101490474A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/446,738 2006-06-05
US11/446,738 US20070281264A1 (en) 2006-06-05 2006-06-05 Non-centric oxy-fuel burner for glass melting systems

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Publication Number Publication Date
CN101490474A true CN101490474A (en) 2009-07-22

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US (1) US20070281264A1 (en)
EP (1) EP2038582A2 (en)
CN (1) CN101490474A (en)
BR (1) BRPI0712076A2 (en)
RU (1) RU2008152802A (en)
WO (1) WO2007145798A2 (en)
ZA (1) ZA200810487B (en)

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BRPI0712076A2 (en) 2012-01-17
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