CN204806392U - Ceramic kiln gas combustion device head - Google Patents

Ceramic kiln gas combustion device head Download PDF

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Publication number
CN204806392U
CN204806392U CN201520500110.4U CN201520500110U CN204806392U CN 204806392 U CN204806392 U CN 204806392U CN 201520500110 U CN201520500110 U CN 201520500110U CN 204806392 U CN204806392 U CN 204806392U
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gas
feature
hole
plane
wind
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秦志强
覃洪波
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XINYIDAI ENERGY-SAVING EQUIPMENT FACTORY LUCHUAN COUNTY GUANGXI
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Individual
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

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Abstract

The utility model provides a ceramic kiln gas combustion device head has gas spray gun head on gas combustion device head, its characterized in that: tuber pipe gentleness pipe in being provided with in the structure of gas spray gun head outside the tuber pipe, has interior wind channel including the trachea cover within the interior tuber pipe including, and the exit end in wind channel is provided with the hood, windy squit hole on the hood, there is gas fuel passag between trachea and the interior tuber pipe, is provided with the air cap at gas fuel passag's exit end, have at least 2 gas blowouts to portal on the air cap. The utility model discloses flame catches fire stably, and it is more complete to burn, and combustion -supporting wind utilization ratio is higher to reduce the coking phenomenon.

Description

A kind of ceramic kiln gas burner head
Technical field
The utility model relates to fuel gas buring technical field.
Background technology
The gas combustion apparatus that current domestic ceramic kiln uses, much there is gas gun structural design unreasonable, and gas gun and burner block or combustion chamber cylindrical shell mate the problems such as reasonable not, its performance comparatively outstanding behaviours to be that existence is caught fire stable not, burn complete not, combustion air utilization rate is not high, is easy to the problems such as coking, has influence on the energy consumption of kiln and the quality of ceramic.
Utility model content
In order to overcome the deficiency of prior art, applicant has carried out a large amount of research work specially to the aerodynamic arrangement of the gas combustion apparatus of ceramic kiln, a kind of ceramic kiln gas burner head is proposed, flame is caught fire stable, burn more complete, combustion air utilization rate is higher, and reduces coking phenomenon.
The utility model solves the technical scheme that its technical problem adopts: a kind of ceramic kiln gas burner head, gas combustion apparatus head has gas gun head, interior airduct and tracheae is provided with in the structure of gas gun head, air pipe sleeve is outside interior airduct, interior air channel is had within interior airduct, the port of export in interior air channel is provided with blast cap, blast cap has wind squit hole; There is blast tube between tracheae and interior airduct, the port of export of blast tube is provided with gas cap, gas cap has at least 2 gas blowouts portal.
During the work of this gas gun head, combustion air is along interior air channel flow forward, and the wind squit hole ejection on blast cap, because gas molecule is ceaselessly doing irregular warm-up movement, combustion air is after the ejection of wind squit hole, can spray forward on one side, carry out diffusion motion to surrounding, also can produce ejector action to the gas around it simultaneously; Combustion gas is along blast tube flow forward, and the ejection and the gas blowout on gas cap is portalled, combustion gas is portalled from gas blowout after ejection, also can spray forward, while carry out diffusion motion to surrounding, also can produce ejector action to the gas around it simultaneously.Flow field between each stock jet-flow that each stock wind jet sprayed from each wind squit hole and portalling from each gas blowout sprays has low regime or zero-speed district, due to the existence of diffusion motion, the proportioning that can form combustion gas and combustion air in some low regime or zero-speed district is in the region of flammable range, the mixed gas of gas and combustion air burns in these flammable area, form stable incendiary source, and from these stable incendiary source propagates down stream, form stable flame, make the ignition process of flame more stable.Air pipe sleeve is outside interior airduct, such structure is conducive to realizing gas blowout and portals the aerodynamic arrangement of the periphery being positioned at wind squit hole, thus be conducive to realizing the cingens distribution of four periderm combustion gas at wind squit hole, test shows, be conducive to like this catching fire stable, and the utilization rate of combustion air can be improved.
Combustion gas described herein, refers to the general name of fuel gas, comprises natural gas, oil liquefied gas, producer gas and other gaseous fuels, also comprises various mixed fuel, also comprises various gaseous fuel and passes through the mixture obtained with air pre-mixing.Wind as herein described, refers to the abbreviation of combustion air, may also be referred to as combustion air.Wind squit hole on gas gun head or gas blowout are portalled can be cylindrical, also can be other geometries.
Gas cap can have at least 3 gas blowouts portal and have TA feature, described TA feature refers to: establish Q ihole is that the gas blowout that any one has a TA feature is portalled, and crosses Q ithe central point F of the exit end face in hole imake a plane P A perpendicular to gas gun head axes iif, plane P A ibe a some O with the intersection point of gas gun head axes i, cross some F ido and straight line O if ivertical plane P S i, cross some F imake Q ithe tangent line F of the axis in hole iv i, this tangent line F iv iwith plane P S ibetween angle be α i, α iscope be: 15 °≤α i≤ 60 °, this is TA feature.α itime within the scope of this, the flame that the gas blowout with TA feature can be made to portal formed be a cone angle comparatively reasonably umbrella shape, and test shows, is conducive to flame like this and catches fire and stablizing of propagating, be conducive to raising efficiency of combustion, make burning more complete.
Be explained as follows at this:
1.. the central point of the exit end face in any one hole (hole described herein, comprises that gas blowout is portalled, wind squit hole, and the hole of other types), refer to the centre of form of the end face of one end of the outlet in this hole.
2.. the angle of described straight line and plane, in solid geometry, is divided into following three kinds of situations to determine: (1) if. straight line and a plane orthogonal, the angle of this straight line and plane is 90 °; (2) if. straight line with one plane is parallel or planar, the angle of this straight line and plane is O °; (3). the angle of an oblique line and a plane is oblique line and its acute angle formed by the projection of plane.
In the middle of the gas blowout that gas cap has TA feature is portalled, 3 can be had at least to have TB feature, and described TB feature refers to: establish Q jhole is that the gas blowout that any one has a TB feature is portalled, and crosses Q jthe central point F of the exit end face in hole jmake a plane P B perpendicular to gas gun head axes jif, this plane P B jbe O with the intersection point of gas gun head axes j, cross some F jdo and straight line O jf jvertical plane P S j, plane P S jwith plane P B jintersection be M jn j, cross some F jmake Q jthe tangent line F of the axis in hole jv j, this tangent line F jv jwith straight line M jn jangle be β j, β jscope be: 70 °≤β j≤ 90 °, this is TB feature.β jtime within the scope of this, the spouting velocity that the gas blowout with TB feature can be made to portal at one with O jfor the center of circle, O jf jfor the component in the tangential direction of the circle of radius is less, thus it is made not produce strong eddy flow effect, to meet the needs of part ceramic kiln to flame characteristics.Remark additionally at this: according to the definition of solid geometry, angle acute angle or right angle formed by these two straight lines of two crossing straight lines.
If the scope that the circulation area sum that gas blowouts all on gas cap is portalled is SS, SS can be chosen at following preferred segments: 78mm 2≤ SS≤1020mm 2; The circulation area that any one described gas blowout is portalled, refer to the area of the channel cross-section of narrowest position in the bore passages that this gas blowout is portalled, narrowest position described herein, minimum in the middle of the area referring to all cross sections of the bore passages that the area of the channel cross-section at this place portals in this gas blowout.Test shows, when SS is within the scope of this, the rigidity of flame is in a more moderate scope, and with mating better of wind, combustion efficiency is ideal, and mating of flame and existing burner block or combustion chamber cylindrical shell is ideal.
Be explained as follows at this: the circulation area (hole described herein in any one hole, comprise wind squit hole, gas blowout portals, and the hole of other types), refer to the area of the channel cross-section of narrowest position in the bore passages in this hole, narrowest position described herein, minimum in the middle of the area referring to all cross sections of the bore passages of the area of the channel cross-section at this place in this hole.Such as, three holes are had in Figure 21 to Figure 23, be respectively K1 hole, K2 hole, K3 hole, the inner chamber in the K1 hole shown in Figure 21 is in shrinking shape gradually, and the axes normal in its hole is in the solid outside wall surface of its present position, narrowest position in the bore passages in this hole is the outlet in this hole, and the area in this cross section is exactly the circulation area in K1 hole, the inner chamber in the K2 hole shown in Figure 22 is in first shrinking the shape then expanded gradually again gradually, and the narrowest position in the bore passages in this hole is the throat section in this hole, the area of this throat section i.e. the circulation area in K2 hole, K3 hole shown in Figure 23, in the axis in this hole and solid, outside wall surface is certain inclination angle, narrowest position in the bore passages in this hole is all cross sections of the inner chamber in that section of cylindrical hole between cross section JA and cross section JB, and their cross-sectional area is all equal, all equal the cross-sectional area of JA or JB, then the circulation area in K3 hole equals the cross-sectional area of JA or JB cross section, illustrate at this: the cross section of the inner chamber in described hole refer on the axis of via hole certain a bit make axis perpendicular to hole in the plane of the tangent line at this some place, again with the cross section that this plane goes the inner chamber of cut-out hole to obtain.
If the circulation area sum that gas blowouts all on gas cap is portalled is SS, if the circulation area sum that gas blowout gas cap with TB feature is portalled is S tB, ratio R tB=S tB/ SS, R tBscope can choose at following preferred segments: 0.66≤R tB≤ 1.R tBtime within the scope of this, account for the most gas blowout of circulation area and portal within the scope of a more rational cone of fire angular region and swirl strength, make to catch fire more stable, the needs of part ceramic kiln to flame characteristics can be met simultaneously.
In the middle of the gas blowout that gas cap has TA feature is portalled, 3 can be had at least to have TC feature, if Q khole is that the gas blowout that any one has a TC feature is portalled, Q kthe central point of the exit end face in hole is a F k, set up an office F kbe HTC with the distance of gas gun head axes k, HTC kscope can choose at following preferred segments: 11mm≤HTC k≤ 38mm.HTC ktime within the scope of this, gas blowout is easy to the stronger fire area of formation energy between portalling, and in this fire area, gas blowout is mutual transferring heat and activated centre between portalling, and makes the ignition process of overall flame more stable.
If the circulation area sum that gas blowouts all on gas cap is portalled is SS, the circulation area sum that setting tool has the gas blowout of TC feature to portal is S tC, ratio R tC=S tC/ SS, R tCscope can choose at following preferred segments: 0.66≤R tC≤ 1.R tCtime within the scope of this, the gas blowout concentrated in proper diameter range of combustion gas major part is portalled ejection, and gas blowout forms the stronger fire area of an energy between portalling, and makes to catch fire reliable and stable, makes the ignition process of overall flame more stable.
If gas cap has TC feature and the circulation area in single hole between 7mm 2to 50mm 2between the gas blowout number of portalling be that the scope of NG, NG can be chosen at following preferred segments: 6≤NG≤80.Test shows, the circulation area in single hole is at 7mm 2to 50mm 2scope in be both not easy blocking, combustion gas and wind blending are also better, and hole count can form a more stable fire area within the scope of this, to processing and cleaning etc. all than being easier to.
Blast cap is formed in one with gas cap or through being connected and forming a sub-unit, be called TT sub-unit, TT sub-unit is connected with interior airduct, is matched in clearance between gas cap and tracheae.Such project organization is compact, and makes easy to process, and easy to use.
Gas cap is connected with tracheae, and blast cap is connected with interior airduct, is matched in clearance between gas cap and blast cap.Such design also can reach compact conformation, makes easy to process, and use also facilitates.
The central point of the exit end face that gas cap can have at least 5 gas blowouts portal is respectively between the coaxial face of cylinder of 26mm and 46mm at two diameters, accordingly two faces of cylinder are called face of cylinder UKA and face of cylinder UKB, and the axle on two faces of cylinder is called LQ axle, if the circulation area sum that the gas blowout of central point between face of cylinder UKA and face of cylinder UKB of gas cap upper outlet end face is portalled is S u, the circulation area sum that gas blowouts all on gas cap is portalled is SS, ratio R u=S u/ SS, R uscope can choose at following preferred segments: 0.6≤R u≤ 1; Blast cap can have at least 3 wind squit holes.Test shows, the gas blowout on gas cap is portalled between the coaxial face of cylinder of two of being distributed within the scope of this, is conducive to forming stronger fire area in a rational spatial dimension, is conducive to catching fire and flame propagation stable.At least want 3 wind squit holes, combustion gas and wind could blending obtain relatively good.
If the scope that the circulation area sum that gas blowouts all on gas cap is portalled is SS, SS can be chosen at following preferred segments: 98mm 2≤ SS≤626mm 2; And the scope that the axiality of LQ axle and gas gun head axes is EQA, EQA can be chosen at following preferred segments: 0≤EQA≤9mm.Test shows, SS is within the scope of this, and axiality EQA is within the scope of this, is conducive to forming a core fire area near gas gun head axes, is conducive to the stable of overall flame and is evenly distributed.
Blast cap can have at least 3 wind squit holes have WA feature, described WA feature refers to: establish G mhole is that any one has the wind squit hole of WA feature, crosses G mthe central point E of the exit end face in hole mmake a plane P WA perpendicular to gas gun head axes mif, plane P WA mbe O with the intersection point of gas gun head axes m, cross some E mdo and straight line O me mvertical plane P S m, cross some E mmake G mthe tangent line E of the axis in hole mv m, this tangent line E mv mwith plane P S mbetween angle be θ m, θ mscope be: 15 °≤θ m≤ 90 °, this is WA feature.θ mtime within the scope of this, the jet that the wind squit hole that can make to have WA feature is formed be a umbrella shape similar to the jet that gas blowout goes out, and test shows, is conducive to flame like this and catches fire and stablizing of propagating, be conducive to raising efficiency of combustion, make burning more complete.
In the middle of the wind squit hole that blast cap has WA feature, 3 can be had at least to have WB feature, and described WB feature refers to: establish G nhole is that any one has the wind squit hole of WB feature, crosses G nthe central point E of the exit end face in hole nmake a plane P WB perpendicular to gas gun head axes nif, this plane P WB nbe O with the intersection point of gas gun head axes n, cross some E ndo and straight line O ne nvertical plane P S n, plane P S nwith plane P WB nintersection be M nn n, cross some E nmake G nthe tangent line E of the axis in hole nv n, this tangent line E nv nwith straight line M nn nangle be ψ n, ψ nscope be: 60 °≤ψ n≤ 90 °, this is WB feature.ψ ntime within the scope of this, the spouting velocity of the wind squit hole with WB feature can be made at one with O nfor the center of circle, O ne nfor the component in the tangential direction of the circle of radius is less, thus make it not produce strong eddy flow effect, match with jet-flow, make to catch fire stable, the eddy flow direction of eddy flow direction and combustion gas can identical also can be reverse.
If the circulation area sum of wind squit holes all on blast cap is SW, setting tool has the circulation area sum of the wind squit hole of WB feature to be S wB, ratio R wB=S wB/ SW, R wBscope can choose at following preferred segments: 0.66≤R wB≤ 1.R wBtime within the scope of this, account for circulation area most wind squit hole injection gas and catch fire, make it within the scope of a more rational cone of fire angular region and swirl strength, make to catch fire more stable, the needs of part ceramic kiln to flame characteristics can be met simultaneously.
In the middle of the wind squit hole that blast cap has WA feature, 3 can be had at least to have WC feature, if G phole is that any one has the wind squit hole of WC feature, G pthe central point of the exit end face in hole is an E p, set up an office E pbe HWC with the distance of gas gun head axes p, HWC pscope can choose at following preferred segments: 5mm≤HWC p≤ 30mm.HWC ptime within the scope of this, be easy to the fire area that formation energy is stronger between wind squit hole, in this fire area, combustion gas transferring heat and the activated centre each other that wind squit hole injection is come, makes the ignition process of overall flame more stable.If the circulation area sum of wind squit holes all on blast cap is SW, setting tool has the circulation area sum of the wind squit hole of WC feature to be S wC, ratio R wC=S wC/ SW, R wCscope can choose at following preferred segments: 0.66≤R wC≤ 1.R wCtime within the scope of this, the squit hole place that the combustion gas major part that such wind squit hole injection is come concentrates in proper diameter range catches fire, and shows through current test situation, and flame rigidity can be made like this to strengthen, and it is strong that flame is sprayed.
If blast cap has WC feature and the circulation area in single hole between 1.2mm 2to 40mm 2between the number of wind squit hole be that the scope of NK, NK can be chosen at following preferred segments: 4≤NK≤80.Test shows that namely the circulation area in single hole not too easily blocks within the scope of this, and wind and gas mixing are also better, and hole count can form a more stable fire area within the scope of this, to processing and cleaning etc. all than being easier to.
If the scope that the circulation area sum of wind squit holes all on blast cap is SW, SW can be chosen at following preferred segments: 15mm 2≤ SW≤800mm 2.Test shows, when SW is within the scope of this, under certain blast, the gentle required combusted proportion of wind easily mates, the rigidity of flame is in a more moderate scope, and combustion efficiency is ideal, and mating of flame and existing burner block or combustion chamber cylindrical shell is ideal.
Gas cap can have at least 5 gas blowouts portal and have TD feature, described TD feature refers to: establish Q ehole is that the gas blowout that any one has a TD feature is portalled, and crosses Q ethe central point F of the exit end face in hole emake a plane P A perpendicular to gas gun head axes eif, plane P A ebe O with the intersection point of gas gun head axes e, cross some F edo and straight line O ef evertical plane P S e, cross some F emake Q ethe tangent line F of the axis in hole ev e, this tangent line F ev ewith plane P S ebetween angle be α e, α escope be: 22 °≤α e≤ 40 °, this is TD feature.α etime within the scope of this, can make the gas blowout with TD feature portal formed flame be a cone angle more reasonably umbrella shape, test shows, be so more conducive to flame catch fire and propagates stablize, be conducive to raising efficiency of combustion, make burning more complete.
If the scope that the circulation area sum that gas blowouts all on gas cap is portalled is SS, SS can be chosen at following preferred segments: 113mm 2≤ SS≤546mm 2.Test shows, when SS is within the scope of this, the rigidity of flame is comparatively appropriate, and combustion efficiency is even more ideal, and mating of flame and existing burner block or combustion chamber cylindrical shell is even more ideal.
If the circulation area sum that gas blowouts all on gas cap is portalled is SS, the circulation area sum that setting tool has the gas blowout of TD feature to portal is S tD, ratio R tD=S tD/ SS, R tDscope can choose at following preferred segments: 0.75≤R tD≤ 1.R tDtime within the scope of this, combustion gas major part concentrates on the squit hole ejection in more suitably diameter range, show through current test situation, can make like this gas blowout portal between form energy stronger fire area more reliable and more stable, make the ignition process of overall flame more stable.
In the middle of the gas blowout that gas cap has TD feature is portalled, 4 gas blowouts can be had at least to portal and have TE feature, described TE feature refers to: establish Q fhole is that the gas blowout that any one has a TE feature is portalled, and crosses Q fthe central point F of the exit end face in hole fmake a plane P B perpendicular to gas gun head axes fif, this plane P B fbe O with the intersection point of gas gun head axes f, cross some F fdo and straight line O ff fvertical plane P S f, plane P S fwith plane P B fintersection be M fn f, cross some F fmake Q fthe tangent line F of the axis in hole fv f, this tangent line F fv fwith straight line M fn fangle be β f, β fscope be: 76 °≤β f≤ 90 °, this is TE feature.β ftime within the scope of this, the spouting velocity that the gas blowout with TE feature can be made to portal at one with O ffor the center of circle, O ff ffor the component in the tangential direction of the circle of radius is less, thus it is made not produce strong eddy flow effect, to meet the needs of part ceramic kiln to flame characteristics.
In the middle of the gas blowout that gas cap has TE feature is portalled, 4 can be had at least to have TF feature, if Q ghole is that the gas blowout that any one has a TF feature is portalled, Q gthe central point of the exit end face in hole is a F g, set up an office F gbe HTF with the distance of gas gun head axes g, HTF gscope can choose at following preferred segments: 14mm≤HTF g≤ 28mm.HTF gtime within the scope of this, gas blowout is easier to the stronger fire area of formation energy between portalling, and in this fire area, gas blowout is mutual transferring heat and activated centre between portalling, and makes the ignition process of overall flame more stable.If the circulation area sum that gas blowouts all on gas cap is portalled is SS, the circulation area sum that setting tool has the gas blowout of TF feature to portal is S tF, ratio R T f=S tF/ SS, R tFscope can choose at following preferred segments: 0.75≤R tF≤ 1.R tFtime within the scope of this, most of combustion gas concentrates on a more rational fire area of distribution to be made to catch fire stable.
If gas cap has TF feature and the circulation area in single hole between 9mm 2to 40mm 2between the gas blowout number of portalling be that the scope of NF, NF can be chosen at following preferred segments: 6≤NF≤76.Test shows that namely the circulation area in single hole is not easy blocking within the scope of this, combustion gas and wind blending, and hole count can form a more stable fire area within the scope of this, all more convenient to processing and cleaning etc.
Blast cap is formed in one with gas cap or through being connected and forming a sub-unit, be called TT sub-unit, TT sub-unit is connected with interior airduct, and be matched in clearance between gas cap and tracheae, such project organization is compact, and makes easy to process, and easy to use.
Blast cap can have at least 5 wind squit holes have WD feature, described WD feature refers to: establish G qhole is that any one has the wind squit hole of WD feature, crosses G qthe central point E of the exit end face in hole qmake a plane P WD perpendicular to gas gun head axes qif, plane P WD qbe O with the intersection point of gas gun head axes q, cross some E qdo and straight line O qe qvertical plane P S q, cross some E qmake G qthe tangent line E of the axis in hole qv q, this tangent line E qv qwith plane P S qbetween angle be θ q, θ qscope be: 20 °≤θ q≤ 60 °, this is WD feature.θ qtime within the scope of this, the jet that the wind squit hole that can make to have WD feature is formed be a umbrella shape similar to the jet that gas blowout goes out, and test shows, is conducive to flame like this and catches fire and stablizing of propagating, be conducive to raising efficiency of combustion, makes to catch fire more complete.
In the middle of the wind squit hole that blast cap has WD feature, 4 can be had at least to have WE feature, and described WE feature refers to: establish G rhole is that any one has the wind squit hole of WE feature, crosses G rthe central point E of the exit end face in hole rmake a plane P WE perpendicular to gas gun head axes rif, this plane P WE rbe O with the intersection point of gas gun head axes r, cross some E rdo and straight line O re rvertical plane P S r, plane P S rwith plane P WE rintersection be M rn r, cross some E rmake G rthe tangent line E of the axis in hole rv r, this tangent line E rv rwith straight line M rn rangle be ψ r, ψ rscope be: 66 °≤ψ r≤ 90 °, this is WE feature.ψ rtime within the scope of this, the spouting velocity of the wind squit hole with WE feature can be made at one with O rfor the center of circle, O re rfor the component in the tangential direction of the circle of radius is less, thus make it not produce strong eddy flow effect, match with jet-flow, make to catch fire stable, the eddy flow direction of eddy flow direction and combustion gas can identical also can be reverse.
If the circulation area sum of wind squit holes all on blast cap is SW, if circulation area sum blast cap with the wind squit hole of WD feature is S wD, ratio R wD=S wD/ SW, R wDscope can choose at following preferred segments: 0.75≤R wD≤ 1; R wDtime within the scope of this, account for circulation area most wind squit hole within the scope of a more rational cone of fire angular region and swirl strength, the needs of part ceramic kiln to flame characteristics can be met.
In the middle of the wind squit hole that blast cap has WD feature, 4 can be had at least to have WF feature, if G shole is that any one has the wind squit hole of WF feature, G sthe central point of the exit end face in hole is an E s, set up an office E sbe HWF with the distance of gas gun head axes s, HWF sscope can choose at following preferred segments: 8mm≤HWF s≤ 23mm.HWF stime within the scope of this, be easy to the fire area that formation energy is stronger between wind squit hole, in this fire area, between the combustion gas of wind squit hole injection, mutual transferring heat and activated centre, make the ignition process of overall flame more stable.
If the circulation area sum of wind squit holes all on blast cap is SW, setting tool has the circulation area sum of the wind squit hole of WF feature to be S wF, ratio R wF=S wF/ SW, R wFscope can choose at following preferred segments: 0.75≤R wF≤ 1.R wFtime within the scope of this, the combustion gas that such wind squit hole injection is come more concentrates on the maximum squit hole of circulation area in exit, show through current test situation, and flame rigidity can be made like this to strengthen, and it is strong that flame is sprayed.
If blast cap has WF feature and the circulation area in single hole between 2mm 2to 25mm 2between the number of wind squit hole be that the scope of NP, NP can be chosen at following preferred segments: 5≤NP≤76.Test shows that air holes footpath is not only not easy blocking within the scope of this, and wind and combustion gas mixing are better, and burn, hole count is also more suitable within the scope of this, easily forms a more stable fire area, and process and cleaning etc. all convenient.
If the scope that the circulation area sum of wind squit holes all on blast cap is SW, SW can be chosen at following preferred segments: 38mm 2≤ SW≤530mm 2.Test shows, when SS is within the scope of this, under certain blast, the gentle coupling of wind is better, and the rigidity of flame is in a more moderate scope, and combustion efficiency is ideal, and mating of flame and existing burner block or combustion chamber cylindrical shell is ideal.
In the structure of described gas gun head, be also provided with outer airduct and aerofoil, outer duct sleeve, outside tracheae, has outer air duct between outer airduct and tracheae, and aerofoil is arranged on the port of export of outer air duct, aerofoil offers wind squit hole.Described wind squit hole can be cylindrical, also can be square groove shape, also can be other geometries; Namely can be straight hole, also can be inclined hole.The combustion air of outer air duct can be different for wind pressure from the combustion air in interior air channel.The wind of outer air duct plays the effect of supplementary combustion air to flame, the adjustable extent of burner is widened.
Combuster sleeve is also overlapped outside gas gun head, combuster barrel bore within combustion chamber sleeve, the central point crossing the exit end face that any one gas blowout is portalled makes a plane perpendicular to gas gun head axes, the intersection point of this plane and gas gun head axes is called vertical intersection point, the vertical intersection point that portals of all gas blowouts on contrast gas gun, is called that vertical intersection point of wherein swimming most on the lower in the positive direction of gas gun head axis to hang down intersection point C in most downstream g, the positive direction of described gas gun head axis, refers to the direction advanced in one end of the close kiln burner hearth central authorities along gas gun head axes towards gas gun head; If the axis of combustion chamber sleeve inner chamber is LT line, cross some C gmake a plane P C perpendicular to LT line g, do and plane P C gdistance be respectively the plane of 10mm and 76mm, be called plane P F and plane PH accordingly, the port of export of plane P F, plane P H and combustion chamber sleeve inner chamber is positioned at plane P C gthe same side; The area being set in the channel cross-section of narrowest position in the passage that section of combustion chamber sleeve inner chamber between plane P F and plane P H formed is the scope of SN, SN: 1666mm 2≤ SN≤6460mm 2, narrowest position described herein, minimum in the middle of the area referring to all channel cross-sections of the passage that the area of the channel cross-section at this place is formed at this section of combustion chamber sleeve inner chamber.Each scheme above-mentioned of gas gun head of the present utility model, design in above-mentioned scope with reference to SN, so above-mentioned each scheme of gas gun and the corresponding SN combustion chamber cylinder lumen in above-mentioned scope mate better, catch fire, flame propagation and other each side combustion efficiencies all more satisfactory.
In these supplementary notes: described combustion chamber sleeve inner chamber can cylindrical shape, and also can be truncated conical shape, also can be other geometries.
The central point of the exit end face of combustion chamber sleeve inner chamber is called a C r, some C gwith a C rdistance be H gR, H gRscope can choose at following preferred segments: H gR>=176mm, test shows, H gR> 176mm, most of combustion gas could be burnt at combustion chamber sleeve inner chamber completely.The central point of the exit end face of combustion chamber sleeve inner chamber, refers to the centre of form of the end face of one end of the outlet of combustion chamber sleeve inner chamber.
If the scope that the axiality of the inner chamber of interior airduct and tracheae inner chamber is EZA, EZA can be chosen at following preferred segments: 0mm≤EZA≤7mm.Experiment shows, the summer sunshine that the axiality flame that guarantee gas gun head ejects within the scope of this is formed is evenly complete, makes flameholding, completely, processing also facilitates.
Compared with prior art, the utility model tool has the following advantages and beneficial effect:
1. catch fire and flame propagation process stabilization, flame holding is strengthened, improves combustion position, make burning more fully completely, improve efficiency of combustion, energy-conservation, decreasing pollution.
2. the utilization rate of combustion air is high, thus can reduce the flow of the unnecessary superfluous combustion air of gas gun, plays energy-conservation effect, the energy consumption of kiln is reduced.
3. can improve the mixed effect of combustion product and kiln gas, the oxidation of ceramic can be improved, improve the quality of products.
4. can reduce coking phenomenon, reduce coking material to the pollution of ceramic, improve the quality of products.
5. the utility model shows through a large amount of tests, and this burner efficiency of combustion is high, and flame is clear, and required combustion air coefficient of excess is little, flame stabilization, and adjustable range is wider, and coking is few.Natural gas, oil liquefied gas, producer gas can be used, also can use other fuel gas, preferably result of use can be reached.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment one of the present utility model;
Fig. 2 is the left view of embodiment one;
Fig. 3 is the C direction view of Fig. 2;
Fig. 4 is the Q in the middle of embodiment one iα corresponding to hole iangle schematic diagram;
Fig. 5 is the Q in the middle of embodiment one jβ corresponding to hole jangle schematic diagram;
Fig. 6 is the G in the middle of embodiment one mθ corresponding to hole mangle schematic diagram;
Fig. 7 is the G in the middle of embodiment one nψ corresponding to hole nangle schematic diagram;
Fig. 8 is the structural representation of embodiment two of the present utility model;
Fig. 9 is the left view of embodiment two;
Figure 10 is the F direction view of Fig. 9;
Figure 11 is the Q in the middle of embodiment two eα corresponding to hole eangle schematic diagram;
Figure 12 is the Q in the middle of embodiment two fβ corresponding to hole fangle schematic diagram;
Figure 13 is the G in the middle of embodiment two qθ corresponding to hole qangle schematic diagram;
Figure 14 is the G in the middle of embodiment two rψ corresponding to hole rangle schematic diagram;
Figure 15 is the structural representation of embodiment three of the present utility model;
Figure 16 is the left view of embodiment three;
Figure 17 is the structural representation of embodiment four;
Figure 18 is the left view of embodiment four;
Figure 19 is the structural representation of embodiment five of the present utility model;
Figure 20 is the structural representation of embodiment six of the present utility model;
Figure 21 is K1 pore structure schematic diagram;
Figure 22 is K2 pore structure schematic diagram;
Figure 23 is K3 pore structure schematic diagram;
In figure, 1 be interior airduct, 2 be tracheae, 3 be interior air channel, 4 is blast cap, 5 be wind squit hole, 6 on blast cap to be blast tube, 7 be gas cap, 8 for the axis LT line, 19 of gas blowout is portalled, the 9 wind squit holes, 15 that be gas gun head, 10 be gas gun head axes, 11 be outer air duct, 12 be outer airduct, 13 to be aerofoil, 14 be on aerofoil are refractory material material burner block, the 16 combustion chamber cylindrical shell, 17 that is silicon carbide material to be combustion chamber sleeve inner chamber, 18 be combustion chamber sleeve inner chamber be furnace brickwork.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail.
Embodiment one, as shown in Figures 1 to 7, in Fig. 1 to Fig. 3, gas combustion apparatus head is made up of gas gun head 9, interior airduct 1 is provided with in the structure of gas gun head 9, be provided with tracheae 2 outside interior airduct 1, within interior airduct 1, be provided with interior air channel 3, the port of export in interior air channel 3 is provided with blast cap 4, blast cap 4 there is wind squit hole 5, there is blast tube 6 between tracheae 2 and interior airduct 1, the port of export of blast tube 6 is provided with gas cap 7, gas cap 7 has gas blowout portal 8.
In the present embodiment, gas cap 7 there are 8 gas blowouts portal 8, and all there is TA feature, as shown in Figure 4, if Q ihole is that the gas blowout that any one has a TA feature portals 8, crosses Q ithe central point F of the exit end face in hole imake a plane P A perpendicular to gas gun head axes 10 iif, plane P A ibe a some O with the intersection point of gas gun head axes 10 i, cross some F ido and straight line O if ivertical plane P S i, cross some F imake Q ithe tangent line F of the axis in hole iv i, this tangent line F iv iwith plane P S ibetween angle be α i, in the present embodiment, 8 gas blowouts portal 8 axis be all straight line, therefore cross tangent line and this dead in line of this axis that wherein any one gas blowout any point portalled on the axis of 8 is done; This Q iα corresponding to hole i=40 °, in addition, α ialso other values can be chosen at following preferred segments: 15 °≤α i≤ 60 °; By α iangle is called Q itA characteristic angle corresponding to hole, in the present embodiment, 8 gas blowouts with TA feature, 8 corresponding separately TA characteristic angle of portalling are all equal; In the middle of practical application, the gas blowout with TA feature portal 8 corresponding separately TA characteristic angle also can mutual different.On gas cap 7,8 gas blowouts portal 8 except having TA feature, also have TB feature, as shown in Figure 5, if Q jhole is that the gas blowout that any one has a TB feature portals 8, crosses Q jthe central point F of the exit end face in hole jmake a plane P B perpendicular to gas gun head axes 10 jif, this plane P B jbe O with the intersection point of gas gun head axes 10 j, cross some F jdo and straight line O jf jvertical plane P S j, plane P S jwith plane P B jintersection be M jn j, cross some F jmake Q jthe tangent line F of the axis in hole jv j, this tangent line F jv jwith straight line M jn jangle be β j, this Q jβ corresponding to hole j=75 °, in addition, β jalso other values can be chosen at following preferred segments: 70 °≤β j≤ 90 °; By β jangle is called Q jtB characteristic angle corresponding to hole, in the present embodiment, 8 gas blowouts with TB feature, 8 corresponding separately TB characteristic angle of portalling are all equal; In the middle of practical application, the gas blowout with TB feature portal 8 corresponding separately TB characteristic angle also can mutual different.
The definition of SS as mentioned before, the present embodiment SS=288mm 2; In addition, SS can also choose other values at following preferred segments: 78mm 2≤ SS≤1020mm 2.In the present embodiment, on gas cap 7,8 gas blowouts are portalled and 8 are all had TB feature, the present embodiment S tB=288mm 2, therefore ratio R tB=S tB/ SS=1; In addition, R tBalso other values can be chosen at following preferred segments: 0.66≤R tB≤ 1.In the present embodiment, on gas cap 7,8 gas blowouts are portalled and 8 are also had TC feature, if Q khole is that gas blowout that any one has a TC feature is portalled 8, Q kthe central point of the exit end face in hole is a F k, some F kbe HTC with the distance of gas gun head axes 10 k, this Q khTC corresponding to hole k=25mm, in addition, HTC kalso other values can be chosen at following preferred segments: 11mm≤HTC k≤ 38mm.By HTC kbe called Q ktC characteristic distance corresponding to hole, in the present embodiment, 8 gas blowouts with TC feature, the 8 corresponding separately TC characteristic distances that portal are all equal; In the middle of practical application, the gas blowout with TC feature portal 8 corresponding separately TC characteristic distances also can mutual different.On gas cap 7,8 gas blowouts are portalled and 8 are all had TC feature, the present embodiment S tC=288mm 2, therefore ratio R tC=S tC/ SS=1; In addition, R tCalso other values can be chosen at following preferred segments: 0.66≤R tB≤ 1.In the present embodiment, the portal circulation area in 8 single holes of the gas blowout with TC feature is all 36mm 2; There is the circulation area in the single hole of TC feature between 7mm 2to 50mm 2between gas blowout portal 8 number be NG, the present embodiment NG=8, in addition, NG can also choose other values at following preferred segments: 6≤NG≤80.The present embodiment blast cap and gas cap connect through being weldingly connected and forming a sub-unit, are called TT sub-unit, and TT sub-unit and interior airduct connect through being weldingly connected, and are matched in clearance between gas cap and tracheae.In the present embodiment, on gas cap 78 gas blowouts portal 8 the central point of exit end face be all respectively between the coaxial face of cylinder of 26mm and 46mm at two diameters, accordingly two faces of cylinder are called face of cylinder UKA and face of cylinder UKB, and the axle on two faces of cylinder is called LQ axle, if the gas blowout of central point between face of cylinder UKA and face of cylinder UKB of gas cap 7 upper outlet end face portal 8 circulation area sum be S u, gas blowouts all on gas cap 7 portal 8 circulation area sum be SS, ratio R u=S u/ SS=1, in addition, R ucan also choose other values at following preferred segments is: 0.6≤R u≤ 1; In the present embodiment, blast cap 4 has 5 wind squit holes 5.
If gas blowouts all on gas cap 7 portal 8 circulation area sum be SS, the present embodiment SS=300mm 2; In addition, SS also can choose other values at following preferred segments: 98mm 2≤ SS≤626mm 2; And the axiality of LQ axle and gas gun head axes 10 is EQA, the present embodiment LQ axle is coaxial with gas gun head axes 10, therefore EQA=0mm; In addition, the scope that EQA also can choose other value EQA at following preferred segments is: 0≤EQA≤9mm.
In the present embodiment one, blast cap 4 has 5 wind squit holes 5, wherein have 4 wind squit holes 5 to have WA feature, as shown in Figure 6, if G mhole is that any one has the wind squit hole 5 of WA feature, crosses G mthe central point E of the exit end face in hole mmake a plane P WA perpendicular to gas gun head axes 10 mif, plane P WA mbe O with the intersection point of gas gun head axes 10 m, cross some E mdo and straight line O me mvertical plane P S m, cross some E mmake G mthe tangent line E of the axis in hole mv m, this tangent line E mv mwith plane P S mbetween angle be θ m, in the present embodiment, the axis of 4 wind squit holes 5 is all straight line, therefore crosses tangent line and this dead in line of this axis that any point on the axis of wherein any one wind squit hole 5 is done; This G mθ corresponding to hole m=60 °; In addition, θ mother values can also be chosen: 15 °≤θ at following preferred segments m≤ 90 °.By θ mangle is called G mwA characteristic angle corresponding to hole, in the present embodiment, 4 respective corresponding WA characteristic angle of wind squit hole 5 with WA feature are all equal; In the middle of practical application, the respective corresponding WA characteristic angle of wind squit hole 5 with WA feature also can mutual difference.
On blast cap 4,4 wind squit holes 5 are except having WA feature, also have WB feature, as shown in Figure 7, if G nhole is that any one has the wind squit hole 5 of WB feature, crosses G nthe central point E of the exit end face in hole nmake a plane P WB perpendicular to gas gun head axes 10 nif, this plane P WB nbe O with the intersection point of gas gun head axes 10 n, cross some E ndo and straight line O ne nvertical plane P S n, plane P S nwith plane P WB nintersection be M nn n, cross some E nmake G nthe tangent line E of the axis in hole nv n, this tangent line E nv nwith straight line M nn nangle be ψ n, this G nψ corresponding to hole n=75 °; In addition, ψ nother values can also be chosen: 60 °≤ψ at following preferred segments n≤ 90 °.By ψ nangle is called G nwB characteristic angle corresponding to hole, in the present embodiment, 4 respective corresponding WB characteristic angle of wind squit hole 5 with WB feature are all equal; In the middle of practical application, the respective corresponding WB characteristic angle of wind squit hole 5 with WB feature also can mutual difference.
The definition of SW as mentioned before, the present embodiment SW=192mm 2; In addition, SW can also choose other values at following preferred segments: 15mm 2≤ SW≤800mm 2.In the present embodiment, on blast cap 4,4 wind squit holes 5 possessing WA feature all have WB feature, and 1 centre wind squit hole 5 does not have WB feature, the present embodiment S wB=144mm 2, therefore ratio R wB=S wB/ SW=0.75; In addition, R wBother values can also be chosen: 0.66≤R at following preferred segments tB≤ 1.In the present embodiment, on blast cap 4,4 wind squit holes 5 possessing WB feature have WC feature, if G phole is that any one has the wind squit hole 5, G of WC feature pthe central point of the exit end face in hole is an E p, set up an office E pbe HWC with the distance of gas gun head axes 10 p, this G phWC corresponding to hole p=15mm, in addition, HWC pother values can also be chosen: 5mm≤HWC at following preferred segments p≤ 30mm.By HWC pbe called G pwC characteristic distance corresponding to hole, in the present embodiment, 4 respective corresponding WC characteristic distances of wind squit hole 5 with WC feature are all equal; In the middle of practical application, the respective corresponding WC characteristic distance of wind squit hole 5 with WC feature also can mutual difference.On blast cap 4,4 wind squit holes 5 have WC feature, and 1 wind squit hole 5 does not have WC feature, the present embodiment S wC=144mm 2, therefore ratio R wC=S wC/ SW=0.75; In addition, R wCother values can also be chosen: 0.66≤R at following preferred segments wC≤ 1.In the present embodiment, the circulation area with the single hole of WC feature is 36mm 2; There is the circulation area in the single hole of WC feature between 1.2mm 2to 40mm 2between the number of wind squit hole 5 be NK, the present embodiment NK=4; In addition, NK can also choose other values at following preferred segments: 4≤NK≤80.
If the axiality of the inner chamber of interior airduct 1 and tracheae 2 inner chamber is EZA, the inner chamber of airduct 1 and the dead in line of tracheae 2 inner chamber in the present embodiment, therefore EZA=0; In addition, EZA also can choose other values at following preferred segments: 0mm≤EZA≤7mm.
Embodiment two, as shown in Fig. 8 to Figure 14, in the present embodiment, gas cap 7 has 12 gas blowouts portal 8, and all has TD feature, as shown in figure 11, if Q ehole is that the gas blowout that any one has a TD feature portals 8, crosses Q ethe central point F of the exit end face in hole emake a plane P A perpendicular to gas gun head axes 10 eif, plane P A ebe O with the intersection point of gas gun head axes 10 e, cross some F edo and straight line O ef evertical plane P S e, cross some F emake Q ethe tangent line F of the axis in hole ev e, this tangent line F ev ewith plane P S ebetween angle be α e, this Q eα corresponding to hole e=22 °, in addition, α ealso other values can be chosen at following preferred segments: 22 °≤α e≤ 40 °.By α eangle is called Q etD characteristic angle corresponding to hole, in the present embodiment, 12 gas blowouts with TD feature, 8 corresponding separately TD characteristic angle of portalling are all equal; In the middle of practical application, the gas blowout with TD feature portal 8 corresponding separately TD characteristic angle also can mutual different.On gas cap 7,12 gas blowouts portal 8 except having TD feature, also have TE feature, as shown in figure 12, and Q fhole is that the gas blowout that any one has a TD feature portals 8, crosses Q fthe central point F of the exit end face in hole fmake a plane P B perpendicular to gas gun head axes 10 fif, this plane P B fbe O with the intersection point of gas gun head axes 10 f, cross some F fdo and straight line O ff fvertical plane P S f, plane P S fwith plane P B fintersection be M fn f, cross some F fmake Q fthe tangent line F of the axis in hole fv f, this tangent line F fv fwith straight line M fn fangle be β f, this Q fβ corresponding to hole f=90 °, in addition, β falso other values can be chosen at following preferred segments: 76 °≤β f≤ 90 °.By β fangle is called Q ftE characteristic angle corresponding to hole, in the present embodiment, 12 gas blowouts with TE feature, 8 corresponding separately TE characteristic angle of portalling are all equal; In the middle of practical application, the gas blowout with TE feature portal 8 corresponding separately TE characteristic angle also can mutual different.
The definition of SS as mentioned before, the present embodiment SS=300mm 2; In addition, SS also can choose other values at following preferred segments: 113mm 2≤ SS≤546mm 2.In the present embodiment, on gas cap 7,12 gas blowouts are portalled and 8 are all had TD feature, the present embodiment S tD=300mm 2, therefore ratio R tD=S tD/ SS=1; In addition, R tDalso other values can be chosen at following preferred segments: 0.75≤RT d≤ 1.In the present embodiment, on gas cap 7,12 gas blowouts are portalled and 8 are also had TF feature, if Q ghole is that gas blowout that any one has a TF feature is portalled 8, Q gthe central point of the exit end face in hole is a F g, some F gbe HTF with the distance of gas gun head axes 10 g, this Q ghTF corresponding to hole g=18mm, in addition, HTF galso other values can be chosen at following preferred segments: 14mm≤HTF g≤ 28mm.By HTF gbe called Q gtD characteristic distance corresponding to hole, in the present embodiment, 12 gas blowouts with TD feature, the 8 corresponding separately TD characteristic distances that portal are all equal; In the middle of practical application, the gas blowout with TD feature portal 8 corresponding separately TD characteristic distances also can mutual different.On gas cap 7,8 gas blowouts are portalled and 8 are all had TF feature, the present embodiment S tF=300mm 2, therefore ratio R tF=S tF/ SS=1; In addition, R tFalso other values can be chosen at following preferred segments: 0.75≤R tF≤ 1.In the present embodiment, the circulation area with the single hole of TF feature is 25mm 2, there is the circulation area in the single hole of TF feature between 9mm 2to 40mm 2between gas blowout portal 8 number be NF, the present embodiment NF=8; In addition, NF can also choose other values at following preferred segments: 6≤NF≤76.
In the present embodiment, blast cap and gas cap are formed in one, and the sub-unit of these two one-body molded formation of part is called TT sub-unit, and TT sub-unit and interior airduct connect through being weldingly connected, and are matched in clearance between gas cap and tracheae.
In the present embodiment two, blast cap 4 has 9 wind squit holes 5, wherein have 8 wind squit holes 5 to have WD feature, as shown in figure 13, if G qhole is that any one has the wind squit hole 5 of WD feature, crosses G qthe central point E of the exit end face in hole qmake a plane P WD perpendicular to gas gun head axes 10 qif, plane P WD qbe O with the intersection point of gas gun head axes 10 q, cross some E qdo and straight line O qe qvertical plane P S q, cross some E qmake G qthe tangent line E of the axis in hole qv q, this tangent line E qv qwith plane P S qbetween angle be θ q, this G qθ corresponding to hole q=35 °, in addition, θ qalso other values can be chosen at following preferred segments: 20 °≤θ q≤ 60 °; By θ qangle is called G qwD characteristic angle corresponding to hole, in the present embodiment, 8 respective corresponding WD characteristic angle of wind squit hole 5 with WD feature are all equal; In the middle of practical application, the respective corresponding WD characteristic angle of wind squit hole 5 with WD feature also can mutual difference.On blast cap 4,8 wind squit holes 5 are except having WD feature, also have following WE feature, as shown in figure 14, and G rhole is that any one has the wind squit hole 5 of WE feature, crosses G rthe central point E of the exit end face in hole rmake a plane P WE perpendicular to gas gun head axes 10 rif, this plane P WE rbe O with the intersection point of gas gun head axes 10 r, cross some E rdo and straight line O re rvertical plane P S r, plane P S rwith plane P WE rintersection be M rn r, cross some E rmake G rthe tangent line E of the axis in hole rv r, this tangent line E rv rwith straight line M rn rangle be ψ r, this G rψ corresponding to hole r=90 °, in addition, ψ ralso other values can be chosen at following preferred segments: 66 °≤ψ r≤ 90 °.By ψ rangle is called G rwE characteristic angle corresponding to hole, in the present embodiment, 8 respective corresponding WE characteristic angle of wind squit hole 5 with WE feature are all equal; In the middle of practical application, the respective corresponding WE characteristic angle of wind squit hole 5 with WE feature also can mutual difference.
The definition of SW as mentioned before, the present embodiment SW=150mm 2; In addition, SW also can choose other values at following preferred segments: 38mm 2≤ SW≤530mm 2.In the present embodiment, on blast cap 4,8 wind squit holes 5 have WD feature, and 1 centre wind squit hole 5 does not have WD feature, the present embodiment S wD=135mm 2, therefore ratio R wD=S wD/ SW=0.9, in addition, R wDalso other values can be chosen at following preferred segments: 0.75≤R wD≤ 1.In the present embodiment, on blast cap 4,8 wind squit holes 5 with WD feature all have WF feature, if G shole is that any one has the wind squit hole 5, G of WF feature sthe central point of the exit end face in hole is an E s, set up an office E sbe HWF with the distance of gas gun head axes 10 s, this G shWF corresponding to hole s=10mm, in addition, HWF salso other values can be chosen at following preferred segments: 8mm≤HWF s≤ 23mm.By HWF sbe called G swF characteristic distance corresponding to hole, in the present embodiment, 8 respective corresponding WF characteristic distances of wind squit hole 5 with WF feature are all equal; In the middle of practical application, the respective corresponding WF characteristic distance of wind squit hole 5 with WF feature also can mutual difference.On blast cap 4,8 wind squit holes 5 have WF feature, and 1 centre wind squit hole 5 does not have WF feature, the present embodiment S wF=135mm 2, therefore ratio R wF=S wF/ SW=0.9; In addition, R wFalso other values can be chosen at following preferred segments: 0.75≤R wF≤ 1.In the present embodiment, there is WF feature and the circulation area in single hole between 2mm 2to 25mm 2between the number of wind squit hole 5 be NP, NP=8; In addition, NP can also choose other values at following preferred segments: 5≤NP≤76.
Embodiment three, as shown in Figure 15, Figure 16, the gas blowout outlet on gas cap 7 and the wind squit hole 5 on blast cap 4 are scattered in two rounds all respectively, in addition, in actual applications, gas blowout portal 8 or wind squit hole 5 also can adopt the distribution of more than two rows.Other structures of the present embodiment are identical with embodiment two.
Embodiment four, as shown in Figure 17, Figure 18, outer airduct 12 and aerofoil 13 is also provided with in the structure of described gas gun head 9, outer airduct 12 is enclosed within outside tracheae 2, outer air duct 11 is had between outer airduct 12 and tracheae 2, aerofoil 13 is arranged on the port of export of outer air duct 11, aerofoil 13 offers wind squit hole 5.All the other structures of the present embodiment are identical with embodiment two.
Embodiment five, as shown in figure 19, also overlaps combuster sleeve outside gas gun head 9, in the present embodiment, combustion chamber sleeve is the burner block 15 of refractory material material, and combuster barrel bore 17 within combustion chamber sleeve, the burner block of refractory material material is arranged on furnace brickwork.Cross any one gas blowout portal 8 the central point of exit end face make a plane perpendicular to gas gun head axes 10, the intersection point of this plane and gas gun head axes 10 is called vertical intersection point, due to the present embodiment 12 gas blowouts portal 8 the central point of exit end face in same plane, so embodiment only has 1 vertical intersection point.On contrast gas gun, all gas blowouts are portalled the vertical intersection point of 8, that vertical intersection point of wherein swimming most on the lower in the positive direction of gas gun head 9 axis are called hang down intersection point C in most downstream g, 8 only have 1 vertical intersection point because the present embodiment 12 gas blowouts are portalled, therefore unique vertical intersection point is exactly most downstream hangs down intersection point C g.The positive direction of described gas gun head axis, refers to the direction advanced in one end of the close kiln burner hearth central authorities along gas gun head axes 10 towards gas gun head 9; If the axis of combustion chamber sleeve inner chamber 17 is LT line, cross some C gmake a plane P C perpendicular to LT line g, do and plane P C gdistance be respectively the plane of 10mm and 76mm, be called plane P F and plane PH accordingly, the port of export of plane P F, plane P H and combustion chamber sleeve inner chamber 17 is positioned at plane P C gthe same side; The area being set in the channel cross-section of narrowest position in the passage that section of combustion chamber sleeve inner chamber 17 between plane P F and plane P H formed is SN, the present embodiment SN=400mm 2; In addition, SN can also choose other values at following preferred segments: 1666mm 2≤ SN≤6460mm 2.The central point of the exit end face of combustion chamber sleeve inner chamber 17 is called a C r, some C gwith a C rdistance be H gR, the present embodiment H gR=200mm 2; In addition, H gRalso other values can be chosen at following preferred segments: H gRscope be: H gR>=176mm.Gas cap 7 is connected with tracheae 2, and blast cap 4 welds with interior airduct 1, is matched in clearance between gas cap 7 and blast cap 4.Other structures of the present embodiment are identical with embodiment four.
Embodiment six, as shown in figure 20, in the present embodiment, combustion chamber sleeve is the combustion chamber cylindrical shell 16 of silicon carbide material, combuster barrel bore 17 within combustion chamber sleeve.The combustion chamber cylindrical shell of carbofrax material material is arranged in the burner block of a refractory material material, and the burner block of refractory material material is arranged on furnace brickwork.Gas cap 7 is connected with tracheae 2, and blast cap 4 is connected with interior airduct 1, is matched in clearance between gas cap 7 and blast cap 4.The present embodiment gas gun head construction is identical with embodiment three.Other structures of the present embodiment are identical with embodiment five.
In addition, above TT sub-unit also can adopt with interior airduct and be threaded.
Certainly; here several preferably embodiment is only listed; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.

Claims (34)

1. a ceramic kiln gas burner head, gas combustion apparatus head has gas gun head, it is characterized in that: in the structure of gas gun head, be provided with interior airduct and tracheae, air pipe sleeve is outside interior airduct, interior air channel is had within interior airduct, the port of export in interior air channel is provided with blast cap, blast cap has wind squit hole; There is blast tube between tracheae and interior airduct, the port of export of blast tube is provided with gas cap, gas cap has at least 2 gas blowouts portal.
2. ceramic kiln gas burner head according to claim 1, is characterized in that: on gas cap, have at least 3 gas blowouts to portal have TA feature, described TA feature refers to: establish Q ihole is that the gas blowout that any one has a TA feature is portalled, and crosses Q ithe central point F of the exit end face in hole imake a plane P A perpendicular to gas gun head axes iif, plane P A ibe a some O with the intersection point of gas gun head axes i, cross some F ido and straight line O if ivertical plane P S i, cross some F imake Q ithe tangent line F of the axis in hole iv i, this tangent line F iv iwith plane P S ibetween angle be α i, α iscope be: 15 °≤α i≤ 60 °, this is TA feature.
3. ceramic kiln gas burner head according to claim 2, is characterized in that: in the middle of the gas blowout on gas cap with TA feature is portalled, have at least 3 to have TB feature, described TB feature refers to: establish Q jhole is that the gas blowout that any one has a TB feature is portalled, and crosses Q jthe central point F of the exit end face in hole jmake a plane P B perpendicular to gas gun head axes jif, this plane P B jbe O with the intersection point of gas gun head axes j, cross some F jdo and straight line Q jf jvertical plane P S j, plane P S jwith plane P B jintersection be M jn j, cross some F jmake Q jthe tangent line F of the axis in hole jv j, this tangent line F jv jwith straight line M jn jangle be β j, β jscope be: 70 °≤β j≤ 90 °, this is TB feature.
4. ceramic kiln gas burner head according to claim 3, is characterized in that: the circulation area sum of setting gas blowouts all on gas cap to portal as the scope of SS, SS is: 78mm 2≤ SS≤1020mm 2; The circulation area that any one described gas blowout is portalled, refer to the area of the channel cross-section of narrowest position in the bore passages that this gas blowout is portalled, narrowest position described herein, minimum in the middle of the area referring to all cross sections of the bore passages that the area of the channel cross-section at this place portals in this gas blowout.
5. ceramic kiln gas burner head according to claim 3, is characterized in that: the circulation area sum of setting gas blowouts all on gas cap to portal as SS, if the circulation area sum that gas blowout gas cap with TB feature is portalled is S tB, ratio R tB=S tB/ SS, R tBscope be: 0.66≤R tB≤ 1.
6. ceramic kiln gas burner head according to claim 5, is characterized in that: in the middle of the gas blowout on gas cap with TA feature is portalled, have at least 3 to have TC feature, described TC feature refers to: establish Q khole is that the gas blowout that any one has a TC feature is portalled, Q kthe central point of the exit end face in hole is a F k, set up an office F kbe HTC with the distance of gas gun head axes k, HTC kscope be: 11mm≤HTC k≤ 38mm, this is TC feature; And the circulation area sum of setting the gas blowout that gas cap has TC feature to portal is as S tC, ratio R T c=S tC/ SS, R tCscope be: 0.66≤R tC≤ 1.
7. ceramic kiln gas burner head according to claim 6, is characterized in that: establish gas cap has TC feature and the circulation area in single hole between 7mm 2to 50mm 2between the gas blowout number of portalling to be the scope of NG, NG be: 6≤NG≤80; The circulation area that any one described gas blowout is portalled, refer to the area of the channel cross-section of narrowest position in the bore passages that this gas blowout is portalled, narrowest position described herein, minimum in the middle of the area referring to all cross sections of the bore passages that the area of the channel cross-section at this place portals in this gas blowout.
8. ceramic kiln gas burner head according to claim 6, it is characterized in that: blast cap is formed in one with gas cap or passes through and is connected and forms a sub-unit, be called TT sub-unit, TT sub-unit is connected with interior airduct, is matched in clearance between gas cap and tracheae.
9. ceramic kiln gas burner head according to claim 6, it is characterized in that: gas cap is connected with tracheae, blast cap is connected with interior airduct, is matched in clearance between gas cap and blast cap.
10. ceramic kiln gas burner head according to claim 1, it is characterized in that: the central point of the exit end face having at least 5 gas blowouts to portal on gas cap is respectively between the coaxial face of cylinder of 26mm and 46mm at two diameters, accordingly two faces of cylinder are called face of cylinder UKA and face of cylinder UKB, and the axle on two faces of cylinder is called LQ axle, if the circulation area sum that the gas blowout of central point between face of cylinder UKA and face of cylinder UKB of gas cap upper outlet end face is portalled is S u, the circulation area sum that gas blowouts all on gas cap is portalled is SS, ratio R u=S u/ SS, R uscope be: 0.6≤R u≤ 1; Blast cap has at least 3 wind squit holes; The circulation area that any one described gas blowout is portalled, refer to the area of the channel cross-section of narrowest position in the bore passages that this gas blowout is portalled, narrowest position described herein, minimum in the middle of the area referring to all cross sections of the bore passages that the area of the channel cross-section at this place portals in this gas blowout.
11. ceramic kiln gas burner heads according to claim 10, is characterized in that: the circulation area sum of setting gas blowouts all on gas cap to portal as the scope of SS, SS is: 98mm 2≤ SS≤626mm 2; And the scope that the axiality of LQ axle and gas gun head axes is EQA, EQA is 0≤EQA≤9mm.
12. ceramic kiln gas burner heads according to any one in the middle of claim 1 to 11, is characterized in that: on blast cap, have at least 3 wind squit holes to have WA feature, described WA feature refers to: establish G mhole is that any one has the wind squit hole of WA feature, crosses G mthe central point E of the exit end face in hole mmake a plane P WA perpendicular to gas gun head axes mif, plane P WA mbe O with the intersection point of gas gun head axes m, cross some E mdo and straight line O me mvertical plane P S m, cross some E mmake G mthe tangent line E of the axis in hole mv m, this tangent line E mv mwith plane P S mbetween angle be θ m, θ mscope be: 15 °≤θ m≤ 90 °, this is WA feature.
13. ceramic kiln gas burner heads according to claim 12, is characterized in that: in the middle of the wind squit hole on blast cap with WA feature, have at least 3 to have WB feature, described WB feature refers to: establish G nhole is that any one has the wind squit hole of WB feature, crosses G nthe central point E of the exit end face in hole nmake a plane P WB perpendicular to gas gun head axes nif, this plane P WB nbe O with the intersection point of gas gun head axes n, cross some E ndo and straight line O ne nvertical plane P S n, plane P S nwith plane P WB nintersection be M nn n, cross some E nmake G nthe tangent line E of the axis in hole nv n, this tangent line E nv nwith straight line M nn nangle be Ψ n, Ψ nscope be: 60 °≤Ψ n≤ 90 °, this is WB feature.
14. ceramic kiln gas burner heads according to claim 12, is characterized in that: set the circulation area sum of wind squit holes all on blast cap as SW, if circulation area sum blast cap with the wind squit hole of WB feature is S wB, ratio R wB=S wB/ SW, R wBscope be: 0.66≤R wB≤ 1.
15. ceramic kiln gas burner heads according to claim 12, is characterized in that: in the middle of the wind squit hole on blast cap with WA feature, have at least 3 to have WC feature, described WC feature refers to: establish G phole is that any one has the wind squit hole of WC feature, G pthe central point of the exit end face in hole is an E p, set up an office E pbe HWC with the distance of gas gun head axes p, HWC pscope be: 5mm≤HWC p≤ 30mm, this is WC feature; And set the circulation area sum of wind squit holes all on blast cap as SW, if circulation area sum blast cap with the wind squit hole of WC feature is S wC, ratio R wC=S wC/ SW, R wCscope be: 0.66≤R wC≤ 1; The circulation area of any one described wind squit hole, refer to the area of the channel cross-section of narrowest position in the bore passages of this wind squit hole, narrowest position described herein, refers to that the area of the channel cross-section at this place is minimum in the middle of the area in all cross sections of the bore passages of this wind squit hole.
16. ceramic kiln gas burner heads according to claim 15, is characterized in that: establish blast cap has WC feature and the circulation area in single hole between 1.2mm 2to 40mm 2between the number of wind squit hole to be the scope of NK, NK be: 4≤NK≤80.
17. ceramic kiln gas burner heads according to claim 15, is characterized in that: set the circulation area sum of wind squit holes all on blast cap as the scope of SW, SW to be: 15mm 2≤ SW≤800mm 2.
18. ceramic kiln gas burner heads according to claim 1, is characterized in that: gas cap has at least 5 gas blowouts portal and have TD feature, described TD feature refers to: establish Q ehole is that the gas blowout that any one has a TD feature is portalled, and crosses Q ethe central point F of the exit end face in hole emake a plane P A perpendicular to gas gun head axes eif, plane P A ebe O with the intersection point of gas gun head axes e, cross some F edo and straight line O ef evertical plane P S e, cross some F emake Q ethe tangent line F of the axis in hole ev e, this tangent line F ev ewith plane P S ebetween angle be α e, α escope be: 22 °≤α e≤ 40 °, this is TD feature.
19. ceramic kiln gas burner heads according to claim 18, is characterized in that: the circulation area sum of setting gas blowouts all on gas cap to portal as the scope of SS, SS is: 113mm 2≤ SS≤546mm 2; The circulation area that any one described gas blowout is portalled, refer to the area of the channel cross-section of narrowest position in the bore passages that this gas blowout is portalled, narrowest position described herein, minimum in the middle of the area referring to all cross sections of the bore passages that the area of the channel cross-section at this place portals in this gas blowout.
20. ceramic kiln gas burner heads according to claim 19, is characterized in that: the circulation area sum of setting gas blowouts all on gas cap to portal as SS, if the circulation area sum that gas blowout gas cap with TD feature is portalled is S tD, ratio R tD=S tD/ SS, R tDscope be: 0.75≤R tD≤ 1.
21. ceramic kiln gas burner heads according to claim 18, is characterized in that: in the middle of the gas blowout on gas cap with TD feature is portalled, have at least 4 gas blowouts to portal and have TE feature, described TE feature refers to: establish Q fhole is that the gas blowout that any one has a TE feature is portalled, and crosses Q fthe central point F of the exit end face in hole fmake a plane P B perpendicular to gas gun head axes fif, this plane P B fbe O with the intersection point of gas gun head axes f, cross some F fdo and straight line O ff fvertical plane P S f, plane P S fwith plane P B fintersection be M fn f, cross some F fmake Q fthe tangent line F of the axis in hole fv f, this tangent line F fv fwith straight line M fn fangle be β f, β fscope be: 76 °≤β f≤ 90 °, this is TE feature.
22. ceramic kiln gas burner heads according to claim 21, is characterized in that: in the middle of the gas blowout on gas cap with TE feature is portalled, have at least 4 to have TF feature, described TF feature refers to: establish Q ghole is that the gas blowout that any one has a TF feature is portalled, Q gthe central point of the exit end face in hole is a F g, set up an office F gbe HTF with the distance of gas gun head axes g, HTF gscope be: 14mm≤HTF g≤ 28mm, this is TF feature; And the circulation area sum that setting tool has the gas blowout of TF feature to portal is S tF, ratio R tF=S tF/ SS, R tFscope be: 0.75≤R tF≤ 1; The circulation area that any one described gas blowout is portalled, refer to the area of the channel cross-section of narrowest position in the bore passages that this gas blowout is portalled, narrowest position described herein, minimum in the middle of the area referring to all cross sections of the bore passages that the area of the channel cross-section at this place portals in this gas blowout.
23. ceramic kiln gas burner heads according to claim 22, is characterized in that: establish gas cap has TF feature and the circulation area in single hole between 9mm 2to 40mm 2between the gas blowout number of portalling to be the scope of NF, NF be: 6≤NF≤76.
24. ceramic kiln gas burner heads according to claim 20, it is characterized in that: blast cap is formed in one with gas cap or passes through and is connected and forms a sub-unit, be called TT sub-unit, TT sub-unit is connected with interior airduct, is matched in clearance between gas cap and tracheae.
25., according to claim 18 to the ceramic kiln gas burner head described in any one in the middle of 24, is characterized in that: on blast cap, have at least 5 wind squit holes to have WD feature, described WD feature refers to: establish G qhole is that any one has the wind squit hole of WD feature, crosses G qthe central point E of the exit end face in hole qmake a plane P WD perpendicular to gas gun head axes qif, plane P WD qbe O with the intersection point of gas gun head axes q, cross some E qdo and straight line O qe qvertical plane P S q, cross some E qmake G qthe tangent line E of the axis in hole qv q, this tangent line E qv qwith plane P S qbetween angle be θ q, θ qscope be: 20 °≤θ q≤ 60 °, this is WD feature.
26. ceramic kiln gas burner heads according to claim 25, is characterized in that: in the middle of the wind squit hole on blast cap with WD feature, have at least 4 to have WE feature, described WE feature refers to: establish G rhole is that any one has the wind squit hole of WE feature, crosses G rthe central point E of the exit end face in hole rmake a plane P WE perpendicular to gas gun head axes rif, this plane P WE rbe O with the intersection point of gas gun head axes r, cross some E rdo and straight line O re rvertical plane P S r, plane P S rwith plane P WE rintersection be M rn r, cross some E rmake G rthe tangent line E of the axis in hole rv r, this tangent line E rv rwith straight line M rn rangle be Ψ r, Ψ rscope be: 66 °≤Ψ r≤ 90 °, this is WE feature.
27. ceramic kiln gas burner heads according to claim 25, is characterized in that: set the circulation area sum of wind squit holes all on blast cap as SW, if circulation area sum blast cap with the wind squit hole of WD feature is S wD, ratio R wD=S wD/ SW, R wDscope be: 0.75≤R wD≤ 1; The circulation area of any one described wind squit hole, refer to the area of the channel cross-section of narrowest position in the bore passages of this wind squit hole, narrowest position described herein, refers to that the area of the channel cross-section at this place is minimum in the middle of the area in all cross sections of the bore passages of this wind squit hole.
28. ceramic kiln gas burner heads according to claim 25, is characterized in that: in the middle of the wind squit hole on blast cap with WD feature, have at least 4 to have WF feature, described WF feature refers to: establish G shole is that any one has the wind squit hole of WF feature, G sthe central point of the exit end face in hole is an E s, set up an office E sbe HWF with the distance of gas gun head axes s, HWF sscope be: 8mm≤HWF s≤ 23mm, this is WF feature; And set the circulation area sum of wind squit hole blast cap with WF feature as S wF, ratio R wF=S wF/ SW, R wFscope be: 0.75≤R wF≤ 1; The circulation area of any one described wind squit hole, refer to the area of the channel cross-section of narrowest position in the bore passages of this wind squit hole, narrowest position described herein, refers to that the area of the channel cross-section at this place is minimum in the middle of the area in all cross sections of the bore passages of this wind squit hole.
29. ceramic kiln gas burner heads according to claim 28, is characterized in that: establish blast cap has WF feature and the circulation area in single hole between 2mm 2to 25mm 2between the number of wind squit hole to be the scope of NP, NP be: 5≤NP≤76.
30. ceramic kiln gas burner heads according to claim 25, is characterized in that: set the circulation area sum of wind squit holes all on blast cap as the scope of SW, SW to be: 38mm 2≤ SW≤530mm 2; The circulation area of any one described wind squit hole, refer to the area of the channel cross-section of narrowest position in the bore passages of this wind squit hole, narrowest position described herein, refers to that the area of the channel cross-section at this place is minimum in the middle of the area in all cross sections of the bore passages of this wind squit hole.
31. ceramic kiln gas burner heads according to any one in the middle of claim 1 to 11, it is characterized in that: in the structure of described gas gun head, be also provided with outer airduct and aerofoil, outer duct sleeve is outside tracheae, outer air duct is had between outer airduct and tracheae, aerofoil is arranged on the port of export of outer air duct, aerofoil offers wind squit hole.
32. ceramic kiln gas burner heads according to any one in the middle of claim 1 to 11, it is characterized in that: outside gas gun head, also overlap combuster sleeve, combuster barrel bore within combustion chamber sleeve, the central point crossing the exit end face that any one gas blowout is portalled makes a plane perpendicular to gas gun head axes, the intersection point of this plane and gas gun head axes is called vertical intersection point, the vertical intersection point that on contrast gas gun, all gas blowouts are portalled, that vertical intersection point of wherein swimming most on the lower in the positive direction of gas gun head axis is called hang down intersection point C in most downstream g, the positive direction of described gas gun head axis, refers to the direction advanced in one end of the close kiln burner hearth central authorities along gas gun head axes towards gas gun head, if the axis of combustion chamber sleeve inner chamber is LT line, cross some C gmake a plane P C perpendicular to LT line g, do and plane P C gdistance be respectively the plane of 10mm and 76mm, be called plane P F and plane PH accordingly, the port of export of plane P F, plane P H and combustion chamber sleeve inner chamber is positioned at plane P C gthe same side, the area being set in the channel cross-section of narrowest position in the passage that section of combustion chamber sleeve inner chamber between plane P F and plane P H formed is the scope of SN, SN: 1666mm 2≤ SN≤6460mm 2, narrowest position described herein, minimum in the middle of the area referring to all channel cross-sections of the passage that the area of the channel cross-section at this place is formed at this section of combustion chamber sleeve inner chamber.
33. ceramic kiln gas burner heads according to claim 32, is characterized in that: the central point of the exit end face of combustion chamber sleeve inner chamber is called a C r, some C gwith a C rdistance be H gR, H gRscope be: H gR>=176mm.
34. ceramic kiln gas burner heads according to any one in the middle of claim 1 to 11, is characterized in that: set the axiality of the inner chamber of interior airduct and tracheae inner chamber as the scope of EZA, EZA to be: 0mm≤EZA≤7mm.
CN201520500110.4U 2015-07-04 2015-07-04 Ceramic kiln gas combustion device head Expired - Fee Related CN204806392U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916863A (en) * 2018-06-28 2018-11-30 广州市艾欣能能源科技有限责任公司 A kind of more burning point boilers axially supplied oxygen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916863A (en) * 2018-06-28 2018-11-30 广州市艾欣能能源科技有限责任公司 A kind of more burning point boilers axially supplied oxygen

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Address after: 537700 Luchuan County Railway Station, Guangxi Zhuang Autonomous Region, 400 meters west of cargo platform

Patentee after: Xinyidai Energy-Saving Equipment Factory, Luchuan County, Guangxi

Address before: 528041 Foshan Aeronautical Energy Saving Technology Co., Ltd. No. 1, 13th Lane, Changjie, Tangtou Village, Shiwan Street, Chancheng District, Foshan City, Guangdong Province

Patentee before: Qin Hongbo

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Granted publication date: 20151125

Termination date: 20210704