CN104854405B - Burner tip and burner - Google Patents
Burner tip and burner Download PDFInfo
- Publication number
- CN104854405B CN104854405B CN201380065579.3A CN201380065579A CN104854405B CN 104854405 B CN104854405 B CN 104854405B CN 201380065579 A CN201380065579 A CN 201380065579A CN 104854405 B CN104854405 B CN 104854405B
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- China
- Prior art keywords
- wall
- burner tip
- burner
- pressing body
- outside
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—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
- F23D14/24—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 at least one of the fluids being submitted to a swirling motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
-
- 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
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/58—Nozzles characterised by the shape or arrangement of the outlet or outlets from the nozzle, e.g. of annular configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/76—Protecting flame and burner parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q9/00—Pilot flame igniters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2214/00—Cooling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Nozzles For Spraying Of Liquid Fuel (AREA)
- Gas Burners (AREA)
Abstract
The tip has a burner tip portion (21) provided with a burner tip wall (21A). The burner tip portion is provided with a hollow space that extends to an end wall (47). The burner tip wall is provided with an inner side that faces toward the hollow space. A displacement body (15) is arranged in the hollow space. The displacement body is provided with an outer side that faces toward the inner side of the burner tip wall. A flow channel (20) is formed between the inner side of the burner tip wall and the outer side of the displacement body.
Description
Technical field
The present invention relates to a kind of burner tip, in particular for the burning of the high temperature application in forming gas generating means
Device spray point.Additionally, the present invention relates to a kind of burner, especially a kind of burner for forming gas generating means.
Background technology
For syngas reactor burner schematically described in the A1 of DE 10 2,008 006 572.The conjunction
Include outside burner element into gas reactor, there is cavity in the spray point of the burner element together with being arranged on it
In pressing body.Around pressing body guide cooling water passage, the cooling-water duct is used to cool down burner tip.Burner is also
Including internal burner element, burner element and the pipe of outside of the inside are concentrically disposed with.Burner internally
Formed between element and the burner element of outside for the passage of conveying burning dust, such as coal dust.Internal burner
Element also has cavity together with the pressing body being disposed therein in the region of its spray point, cold to surround the pressing body guiding
But aquaporin, the spray for cooling down internal burner element by the cooling-water duct is sharp.In burner element internally
The heart is provided with lighter, wherein being formed for the defeated of oxygen/vapour mixture between burner element internally and lighter
Enter passage.Such as outside and internal burner element, the hollow wall-like ground of lighter is constituted, wherein the area of the spray point in lighter
Pressing body is provided with domain, around the pressing body guide cooling water passage, so as to cool down lighter.
The burner tip of the burner in syngas reactor bears high temperature when reactor runs so that real
Now introduce to the great heat in burner tip.The heat being introduced into by flowing to the cooling-water duct of description in cooling
Water cooling.In order to reduce energy introduce, burner tip can this be externally provided with thermal insulation layer, such as in DE 10 2,008 006 572
Described in A1.
The spray point that corresponding burner element is generally connected to each other by multiple pipes and by pipe is constituted, and is also set in the spray point
It is equipped with pressing body.Here, spray point is generally made up of the annular element of outside annular element and inside, wherein outside ring part
Part is connected with the pipe of outside and the annular element of inside is connected with the pipe of inside.Additionally, annular element deviates from outside at it
It is welded to one another on the end of the pipe of pipe or inside.Pressing body be connected with the pipe arranged in central authorities, and the pipe is by the pipe and interior of outside
Intermediate space between the pipe in portion is divided into the annular input channel for cooling water and the annular output for cooling water is logical
Road.Therefore each burner element has complicated construction.Additionally, burner tip is relatively large, enter but weight, this example
Such as reduce its operability in the case of maintenance.
For the reason for production aspect, pipe or spray tip part wall thickness is typically 3nm, and this makes radiating become difficult
And improve the susceptible relative to temperature fluctuation.Additionally, suspended particle and cooling water can cause over time cold
But aquaporin narrowing in the region of burner tip or or even cause the blocking of cooling-water duct, this brings the dimension of raising
Shield demand, so as to find this narrowing in time.
Additionally, the material for manufacturing burner tip is expensive and work in-process is to expend, because must be by
Part for constituting burner tip is welded to one another.By part welding with formed corresponding burner tip be it is remarkable,
Because the nickel based super alloy for typically using needs special welding process.
The content of the invention
Relative to described prior art, it is an object of the present invention to provide a kind of favourable burner tip, especially
For the burner tip of the burner element of forming gas burner.Moreover, it is an object that a kind of favourable
Burner, in particular for generating the burner of forming gas.
The purpose is realized by a kind of burner tip or a kind of burner.Hereafter set comprising the favourable of the present invention
Meter scheme.
According to the first aspect of the invention, there is provided a kind of burner tip, the burner tip has burner outlet
The burner tip part for surrounding burner outlet with least one, the burner tip part has burner tip wall,
The burner tip wall has the end wall of the end of the closing for forming burner tip part.Burner tip part is in it
Portion has to the cavity for reaching end wall, and burner tip wall is with the wall inner side for pointing to cavity.Pressing body is provided with the cavities,
The pressing body has towards the pressing body outside on the inside of the wall of burner tip wall, wherein on the inside of the wall of burner tip wall
At least one flow channel is formed and pressing body outside between.Pressing body is via from pressing body outside towards burner tip wall
The supporting construction that wall inner side extends is connected with the wall inner side of burner tip wall.
By supporting construction, being capable of position of the fixed press body in the inside of burner tip wall.Additionally, by burner
The overall structure that the sharp wall of spray and pressing body are constituted can be constituted more stably on the whole.
Supporting construction enables in particular to be configured to connect lamellar or sagittate structure, and wherein at least is at burner tip end
In the region of wall, adjacent connection lamellar or sagittate structure on the outside of the pressing body on and/or in burner tip wall
Wall pools arched member on inner side.The arched member enables in particular to be configured to Gothic arch part, similar to the arch in Gothic architecture
Shape part.Supporting construction can be realized as the design of connection lamellar the or sagittate structure with the arched member for converging
By layered manufacturing technique, (English is：Additive manufacturing process), it is for example molten by selective laser
Change that (English is：Selective laser melting) manufacturing burner tip.
In a special design of the burner tip with supporting construction, by pressing body and burner tip
The density of the supporting construction of wall connection increases at least in the region of end wall compared with other regions of burner tip wall.Burning
The sharp wall of device spray can be more compared with the region that the density of supporting construction does not increase at the position that the density of supporting construction increases
Unfertile land is constructed.In particular, it can have the thickness less than 3mm, such as thickness in the scope of 0.5 to 2mm.With the side
Formula, in the region of especially high temperature and/or particularly evident temperature fluctuation is born, the heat absorbed by burner tip wall
Export to more quickly in cooling fluid, thus compared with thicker wall, relatively thin wall can be kept as colder, this is again beneficial
Act on it is governable until safeguard the duration of operation.
In the scope of burner tip of the invention, pressing body is enabled in particular to and supporting construction and burner tip
Wall single type ground is constituted.This allows especially stable structure, and this can fully achieve and be made in the case of multiple structures
Make.Manufacture here can as already mentioned by layered manufacturing technique, (English be：additive manufacturing
Process), for example by selective laser melting, (English is：Selective laser melting) carrying out.
Burner tip wall energy enough at least uses thermal insulation layer coating in the region of end wall.In particular, when burner tip wall
During with relatively thin and thicker region, following designs are favourable, in the design, thermal insulation layer be applied to compared with
On thin region, especially it is applied in the region of end wall.Due to firing in the region with thermal insulation layer in the design
The sharp wall of burner spray is thinner, can be realized, although being applied with thermal insulation layer in this region, overall wall thickness is not above
The thickness in other not regions with thermal insulation layer.
Pressing body in burner tip of the invention enables in particular to hollowly constitute.With according to prior art its
Middle pressing body is configured to the burner tip of solid and compares, and by the hollow design of pressing body weight and material are saved
Material.For example in the scope of maintenance or maintenance process, due to less weight, the spray of the burner with 50cm and bigger diameter
Point can be operated more easily.
In the improvement project of the enforcement variations with hollow pressing body, the pressing body has relative to end wall
The end of nearside, the end relative to end wall distally, extruding intracoelomic cavity and in the region of the end in distally have at least one
Towards the pressing body opening that extruding intracoelomic cavity is unlimited.In this way it is possible that can make by the outside of pressing body and burning
The cooling fluid or cooling water of the flow channel flowing between the wall inner side of the sharp wall of device spray enters hollow pressing body.In this regard, example
Such as, diversion member can be provided with pressing body opening so that pressing body opening is divided into the section that becomes a mandarin by the diversion member
And go out to flow section and the flow path that formed between section around diversion member is flowed in the section and going out of becoming a mandarin.As an alternative, exist
Following probabilities, pressing body has at least one towards the unlimited other pressing body opening of extruding intracoelomic cavity.Therefore, it is described another
Outer pressing body opening is arranged on the end of the nearside of pressing body and the pressing body opening being arranged in the region of the end in distally
Between.Between pressing body opening and other pressing body opening, extruding intracoelomic cavity is formed for the cooling of for example, cooling water
The flow path of fluid.
When the flow path for cooling fluid is formed in the inside of hollow pressing body, the energy in extruding intracoelomic cavity
It is enough exist from flow path branch for flowing through the fluid of flow path in impurity collecting chamber.Here, it is advantageous to squeeze
Collecting chamber in laminate inner chamber is located in the region that the flow direction of flow path changes.It is particularly advantageous that flowing side
To change bring significantly flowing turn to.Here, have in hollow pressing body to can be used in providing sufficiently large collecting chamber
Enough spaces.Collect the impurity such as the suspended particle in cooling fluid to cause, around the stream of the guided outside of pressing body
Body passage more slowly weares and teares and then can longerly delay narrowing for flow cross section.This valuably affects to safeguard interval again.
In burner tip of the invention, additionally, extending at least partially into the eddy flow leaf in burner opening
Piece can be constituted with burner wall single type.So far, swirl vane is initially inserted into from the combustion side away from burner tip
In the burner outlet surrounded by burner wall.In the case of the insertion, can result in swirl vane and/or burner
The damage of the sharp wall of spray.Constituted with the single type of burner tip wall by swirl vane, insertion swirl vane is unnecessary.This
Outward, there are following probabilities, on the inside of the wall of burner tip wall and on the outside of pressing body between formed flow channel at least portion
Also extend across swirl vane with dividing.In this way, the common cooling to burner tip and swirl vane is realized.Pass through
Special production method (layered manufacturing technique), it is also possible to additionally give the shape of swirl vane nozzle, the nozzle is in spy
Reduce the flow channel of oxygen-steam mixture in fixed region.
In burner tip of the invention, burner tip wall and pressing body can be constituted circlewise.
According to the second aspect of the invention, there is provided a kind of burner tip, the burner tip has burner outlet
The burner tip part for surrounding burner outlet with least one, the burner tip part has burner tip wall,
The burner tip wall has the end wall of the end of the closing for forming burner tip part.Second party of the invention
Face, the swirl vane extended at least partially in burner outlet is constituted with burner tip wall single type.
So far, swirl vane goes out from the burner that the combustion side away from burner tip is initially inserted into surrounding burner wall
In mouthful.In the case of described pushing, swirl vane and/or burner tip wall damage is can result in.By eddy flow leaf
The composition of the single type of piece and burner tip wall, it is unnecessary to push swirl vane.
In an improvement project of burner tip according to the second aspect of the invention, in the wall of burner tip wall
The flow channel formed between inner side and pressing body outside also extends across at least in part swirl vane.In this way, it is real
The common cooling of existing burner tip and swirl vane.
By means of special production method (layered manufacturing technique), can realize, swirl vane forms the shape with nozzle
Shape blade, the nozzle reduces transversal for flowing through the flowing of the oxygen-steam mixture of blade in the specific region of blade
Face.
Burner of the invention is provided with burner tip of the invention.Characteristic related to this and advantage are from root
According to the present invention burner tip characteristic and advantage in draw.
Description of the drawings
Other features, characteristic and the advantage of the present invention is from the description below with reference to appended accompanying drawing to embodiment
Go out.
Fig. 1 illustrates the schematic diagram of burner, and the burner is for example used in syngas reactor.
Fig. 2 illustrates the spray point of the first burner element.
Fig. 3 illustrates the spray point of the second burner element.
Fig. 4 illustrates the spray point of the lighter for using in the burner.
Fig. 5 illustrates the design of an alternative of the spray point in Fig. 3.
Fig. 6 illustrates the design of another alternative of the spray point in Fig. 3.
Fig. 7 illustrates the design of another alternative of the spray point in Fig. 3.
Fig. 8 illustrates the profile along line VIII-VIII of the design in Fig. 7.
Specific embodiment
The principle construction of the burner for syngas reactor is described below with reference to Fig. 1.
Burner is symmetrically constructed around burner axis A and led including tubular importing section and being connected to
Enter the burner tip 1 of section, the burner tip surrounds burner opening 3.
Burner includes the first outside burner element 2, and first burner element is in the tubular portion of burner
Formed by three folded pipes 4,6,8 of contracting in section.Cooling fluid input channel 7 and cooling fluid output channel 9 are formed between the tubes,
Cooling fluid can be transported in burner tip 1 or the output from the burner tip via it.As cooling stream
Body especially considers water.In the region of burner tip 1, outside burner element 2 deviates pure tube shape and towards combustion
The direction at the center of burner outlet 3 inclines.Additionally, it has cavity, in the cavity, pressing body 5 in the region of spray point
It is arranged in the region with the determining deviation of wall one away from burner element 2.Here, the wall 11A in burner 2 in the sharp region of spray
Inner side and pressing body outside between, formed flow channel 10, by the flow channel guide cooling fluid, such as cooling water
The spray point is cooled down through the spray point of outside burner element 2.The portion different from tube shape of outside burner element 2
It is divided into the burner tip part 11 of outside, the burner tip part is configured to independent part and its wall 11A is welded
To in the tubular section of outside burner element 2.Here, the wall 11A of burner tip part 11 have it is generally U-shaped curved
It is bent so that it not only can connect with outside pipe 4, also with the pipe 8 of the inside of the tubular section of outside burner element 2
Connect.Pressing body 5 is inserted on the pipe 6 of centre.In this regard, the width that the pressing body has groove 5A, the groove is matched with tubular portion
The wall thickness of the pipe 6 of the centre of section.
Burner also includes internal burner element 12, and the burner element of the inside is except in burner tip 1
Region in outside same formed by three folded pipes 14,16,18 of contracting.In the region of burner tip 1, with being located therein
Cavity inside burner tip part be connected to inside burner element 12 tubular section.Set in the cavity
Pressing body 15 is equipped with, with burner tip wall 21A wherein in the scope of pressing body outside burner tip part 21 internally
Inner side tool it is at regular intervals so that form flow channel between.By cooling fluid be transported in flow channel via
The flow channel 17 formed between the folded pipe 14,16 of the contracting of the tubular section of burner element 12 internally is carried out, from interior
Export cooling fluid in the region of the combustor component 21 in portion to enter via the output channel 19 formed between the folded pipe 16,18 of contracting
OK.Internal burner tip part is also configured to independent part, and its wall 21A is welded to the pipe 14 of the outside of tubular section
On internal pipe 18.In this regard, wall 21A bends to u shapes in broadest sense so that the wall energy is reached and tubular section
The folded pipes 14,16,18 of three contractings the pipe 14 of outside and the pipe 18 of inside weld.Pressing body 15 is inserted in tubular section
Between pipe 16 on.In this regard, it has groove 15A, the width of the groove is matched with the wall thickness of the pipe 16 of centre.
Internal burner element 12 has overall diameter, and the overall diameter is less than the interior diameter of outside burner element 2,
So that forming circular passage between, the circular passage is used for conveying burning dust, such as pulverized coal conveying dirt.
Internal burner element 12 surrounds the space of column as far as possible, and lighter 21 is provided with the space.Institute
Lighter is stated including tubular section 22A, the tubular section is formed and lighter spray tip by three pipes 24,26,28
Part 31 is connected to the tubular section in the region of burner tip 1.Lighter spray tip part 31 has cavity, described
Pressing body 25 is provided with cavity, wherein pressing body outside is sprayed the determining deviation of inner side one of the wall 31A of tip part 31 away from lighter, made
Obtain and formed between flow channel 30.As in the combustion elements 12 that outside burner element 2 is neutralized internally,
The wall 31A of spray tip part 31 is welded in tubular section.The wall 31A heres of lighter spray tip part 31 are in broadest sense
The bending of middle u shapes ground so that its can on the one hand with the pipe 24 and the pipe of lighter 21 of the outside of the tubular section of lighter 21
The pipe 28 of the inside of the section of shape is welded.Pressing body 25 is inserted on the pipe 26 of the centre of tubular section.In this regard, it has groove
25A, the width of the groove is matched with the wall thickness of the pipe 26 of centre.
The tubular section of lighter 22 has overall diameter, and the overall diameter is interior straight less than internal burner element 12
Footpath so that oxygen/steam channel 23 is formed between both.Oxygen/the steam channel is used to convey vapor, the water
Steam needs for burning dust to be changed into into forming gas in syngas reactor, and is used to convey oxygen if necessary
Or air.In order to promote forming gas to react, the oxygen of conveying or the air of conveying are made the vapor of conveying and if necessary
There is vortex, to promote forming gas to react.In this regard, swirl vane 32 is arranged on inside in the region of burner tip 1
Burner element 12 and lighter 22 between.
Lighter 22 surrounds the cavity of substantially column, a burner is provided with the cavity and for monitoring fire
The equipment of flame.The two elements only big degree in figure is schematically illustrated and summarized with reference 33.
Fig. 2 illustrates the construction of the burner tip component 11 of outside.Additionally, the burner element 2 of visible external is tubular
Section the folded pipe 4,6,8 of contracting.Outside burner tip part 11 terminates in end wall 34, and the end wall is outside combustion
Burner sprays the end of tip part.Cavity is formed in outside burner tip part 11, in the cavity as already described
As, there is pressing body 5.The pressing body is configured to as shown in Figure 2 hollow.The pressing body has phase
End 36 for the nearside of end wall 34 and the end 38 in the distally relative to end wall, the end in the distally has groove 5A,
For being inserted on the pipe 6 of the centre of the tubular section of burner element.In the region of the end 38 in distally, especially remote
Directly there is pressing body opening 40 before groove 5A in the end of side, the pressing body opening is towards in hollow pressing body 5
Chamber 42 is opened wide so that inner chamber 42 can be entered by pressing body opening 40.Substantially u shapes ground bending burner tip wall 11A with it is outer
The pipe 4 of the outside of the tubular section of the burner element 2 in portion and the pipe 8 of inside connect, and pressing body 5 and outside burner
The pipe 6 of the centre of the tubular section of element 2 connects so that pressing body opening 40 towards the pipe 6 in outside pipe 4 and centre it
Between formed input channel 7 open wide.Thus extruding intracoelomic cavity 42 fluidly connects with the input channel 7 for cooling fluid.
The hollow pressing body 5 being substantially made up of the extruding body wall 44 of relative thin sprays via supporting construction 46 and burner
The inner side connection of sharp wall 2.It is constituted in which can connect lamellar ground or arrow shaped so that it hinders as few as possible and if necessary
Even flowing of the guiding in fluid passage 10.
Fig. 3 illustrates the tubular section of the construction of the burner tip part 21 of inside and the burner element 12 of inside
The pipe 14,16,18 that the contracting for connecting wherein is folded.Internal burner tip part 21 has burner tip wall 21A, the combustion
The sharp wall of burner spray has end wall 47, and the end wall forms the end of the closing of the burner tip part 21 of inside.As joined
As examining Fig. 1 descriptions, there is pressing body 15 in the cavity of burner tip part 21 internally.The pressing body is again in itself
Hollowly constitute and with the extruding body wall 54 for surrounding extruding intracoelomic cavity 52.Additionally, pressing body 15 has relative to end wall 47
Nearside end 48 and the end 49 in the distally relative to end wall 47, the end in the distally has groove 15A, for being inserted into
On the pipe 16 of the centre of the tubular section of burner element.In the region of the end 49 in distally, especially in the end in distally
In directly between groove 15A, pressing body opening 50 is provided with, via the accessible extruding intracoelomic cavity 52 of the pressing body opening.It is interior
The burner tip wall 21A of the burner tip part 21 in the portion substantially bending of u shapes ground, the wherein end of burner tip wall 21A
It is connected with the pipe 14 and the pipe 18 internal with it of the outside of the tubular section of internal burner element 12.Extruding body wall 54
Therefore be connected with the pipe 16 of the centre of the tubular section of internal burner element 12 so that pressing body opening 50 in addition including
It is unlimited between the pipe 14 of the outside of the tubular section of the burner element 12 in portion and the pipe 16 of centre.In this way,
Extruding intracoelomic cavity 52 is fluidly connected with the input channel 17 for cooling fluid.Extruding body wall 54 is via for example can be via connection
Lamellar ground or arrow shaped ground formed supporting construction be connected with the inner side of burner tip wall 21A so that on the outside of pressing body with
There is the spacing of restriction between the inner side of burner tip wall 21A, to form flow channel 20.Such as spray in outside burner
In the part of tip like that, supporting construction also can be configured to so that it is directed across the flowing of flow channel, under any circumstance,
But the supporting construction is all configured to so that it hinders as few as possible flowing.
Swirl vane 32 is constituted with the single type of burner tip part 21 ground of the burner element 12 of inside.Swirl vane
32 is hollow and respectively with swirl vane inner chamber 58, and the swirl vane inner chamber is via cooling fluid inlet 59 and cooling
Fluid issuing 60 is fluidly connected with the fluid passage 20 guided around pressing body 15.Therefore eddy flow intracoelomic cavity 58 is cooling circulation
A part so that swirl vane 32 is cooled down together with the burner tip part 21 of inside by cooling fluid.
Similarly, in the present embodiment, pipe 62 and internal burner tip part 21 and the single type of swirl vane 32 ground
Constitute, it is described effective as inserting the guide of lighter 22.There is no the enforcement for guiding the pipe of lighter 22
Example however be also possible.Therefore, the pipe 62 for illustrating in figure is only a kind of selection.
Figure 4 illustrates the structure of the lighter 22 in the region of burner tip 1.The visible lighter spray point in figure
The tubular section formed by three folded pipes 24,26,28 of contracting of part 31 and lighter 22.
Lighter spray tip part 31 has the burner tip wall 31A of substantially u shaped bending, and the burner tip wall is surrounded
Lighter sprays the inner chamber of tip part 31.Pressing body 25 is provided with the lumen.Such as outside burner element 2 and inside
In the burner tip part 11,21 of burner element 12 like that, the pressing body in the inner chamber for spraying tip part 21 positioned at lighter
25 are also hollowly constituted.The pressing body has the end 66 and the end in the distally away from the end of the nearside for pointing to side 76
Portion 68, the end in the distally has groove 25A, for being inserted on the pipe 26 of the centre of the tubular section of burner element.
In the region of the end 68 in distally, directly there is pressing body opening 70, Jing before groove 25A especially in the end in distally
By the inner chamber 72 of the accessible pressing body 25 of the pressing body opening.Extruding intracoelomic cavity 72 is surrounded by extruding body wall 74, the extruding
Body wall is via supporting construction 76, for example via the structure and burner tip wall of the sagittate or connection lamellar having been described above
The inner side connection of 31A.On the burner tip wall of lighter, it is also possible to supporting construction 76 is constituted in the way of water conservancy diversion.It is in office
In the case of what, however, the supporting construction is configured to so that its without prejudice to is passed through on the outside of pressing body and burner tip wall
The flowing of the flow channel 30 formed between the inner side of 31A.
Two ends of the burner tip wall 31A of the substantially u shapes ground bending of lighter spray point 31 and the pipe of lighter 22
The pipe 24 of the outside of the section of shape and the pipe 28 of inside connect, and extruding body wall 74 is connected with the pipe 26 of the centre of tubular section.
Connection here is carried out on following positions of extruding body wall 74, and the position is chosen to so that pressing body 70 is towards in lighter
It is unlimited that input channel is formed between the pipe 24 of the outside of 22 tubular section and the pipe 26 in the middle of it.Extruding intracoelomic cavity 72
Thus in being integrated into cooling fluid circulation.
The overall diameter of lighter 22 is chosen to so that it is inserted in the pipe 62 of the burner wall 12 of inside.Ignite
Device 22 surrounds in addition the inner chamber of column as far as possible, and pilot jet and flame monitoring equipment can be provided with the inner chamber.
Not only in the burner element 12 of outside burner element 2 and inside but also in lighter 22, burning
The tubular section that device spray tip part 11,21,31 is dividually formed respectively by the pipe folded by contracting is made.Subsequently, then will contract
Folded pipe is for example connected by means of welding procedure with corresponding burner tip part.
Burner tip part enables in particular to be made by means of layered manufacturing technique respectively single type.Thus, it is hollow
Pressing body via supporting construction be connected with burner tip wall described by complicated structure be possible.In particular, one
Formula ground manufacture swirl vane 32 and the pipe 62 with internal burner tip part 21 can be by by means of layer manufacturing process
Layered manufacturing 5 guaranteeing.Enable in particular to use selective laser sintering as layered manufacturing technique.
The variations of the embodiment that figure 3 illustrates below with reference to Fig. 5 descriptions.Modification essentially consist of pressing body and its
The design of extruding intracoelomic cavity.Therefore the other elements, such as of the embodiment for having described in figure 3 are not shown in Figure 5
Swirl vane.Corresponding to the element in Fig. 3 element with illustrating with identical reference in Fig. 3 and do not illustrate again, with
Just avoid repeating.
The difference base of the pressing body of the embodiment that figure 5 illustrates and the pressing body of the embodiment that figure 3 illustrates
It is that its pressing body opening 50 increases on this.Additionally, diversion member 80 extend into pressing body from the inside of internal burner wall
In opening 50 so that opening is divided into becoming a mandarin and section 81 and goes out to flow section 82 by diversion member 80.
Flow path 83 is formed around diversion member 80.On the end of diversion member 80, through the stream of flow path 83
Influencing meridian is turned to 84 by flowing.Flowing turn to 84 region in, collecting chamber 85 from the branch of flow path 83, wherein into collecting chamber
Enter the substantially original flow direction of opening's edge, i.e. along flowing turn to before flow direction arrange.It is outstanding in cooling fluid
Float granule easily can not follow unexpected direction to change as fluid itself due to its inertia when flowing is turned to, and make
Obtaining suspended particle can reach in collecting chamber 85 and there gather.In this way, on the outside of pressing body and burner
Before the fluid passage 20 formed between the inner side of the sharp wall 21A of spray is by percolation, can be by a part for suspended particle from cooling
Remove in fluid, thus, it is possible to reduce suspended particle accumulation in the flow channel so that avoid or at least can prolong
Late fluid passage narrows.
Although with regard to the embodiment of the description with collecting chamber 85 of burner tip part 21 of internal burner element 12,
But corresponding design can also be present in the burner tip part 11 of the burner element 2 of outside and also draw
Exist in burner spray tip part 31.
Figure 6 illustrates another alternative of the embodiment in Fig. 3.Corresponding to the element here of the element in Fig. 3
With representing with identical reference in figure 3 and not illustrating again, to avoid repeating.As in Figure 5, in Fig. 6
In the pipe 62 of swirl vane 32 and column is not shown because it is identical with the embodiment that figure 3 illustrates.
With main difference is that for the embodiment that figure 3 illustrates, end wall 147 and the enforcement that figure 3 illustrates
End wall in example compares more unfertile land composition.In order that thin end wall 147 is stablized, the close of supporting construction 146 is improved in its region
Degree.Supporting construction 146 is configured to sagittate structure, and the sagittate structure pools arched member on pressing body 15.
In the present embodiment, arched member is configured to Gothic arch part so that sagittate supporting construction forms a kind of vault, and the vault has
The form of Gothic vault.
Although only the more unfertile land of end wall 147 is constituted in the embodiment that figure 6 illustrates, thin wall can also extend beyond end wall
147 and or even the whole burner tip wall 21A of formation.Burner tip wall 21A in the region high by reducing thermic load
Thickness, can realize rapidly rejecting heat in cooling fluid.Additionally, thinner wall is less susceptible to the impact of thermal fluctuation.
The design of the described Gothic arch of supporting construction can be come by means of already mentioned layered manufacturing technique
Realize.Also can be in outside burner element 2 and lighter with regard to supporting construction and wall thickness the design of Fig. 6 descriptions
Realize in 22 burner tip part 11,31.
The form of one alternative of the wall thickness that equally can realize reducing burner tip wall of supporting construction in Fig. 7 and
Illustrate in 8.Here, Fig. 8 is showing along the profile of the line VIII-VIII that figure 7 illustrates.
The supporting construction for illustrating in figures 7 and 8 has the shape of connection sheet 86, and the connection sheet is in extruding body wall 54 and combustion
Formed between the sharp wall 21A of burner spray and surround the end of its nearside and back towards near from the end in the distally of pressing body 15
The end of side extends.Here, connection sheet 86 abreast stretch and not only on the outside of the pressing body on and also in burner wall
Arched member is pooled on inner side.In the present embodiment, arched member is Gothic arch part so that flowing is formed between each connection sheet
Passage 20, the flow channel has corresponding to the oval cross section for coming to a point on its end.The design of supporting construction
Scheme also allows to reduce wall thickness in the case of the stability height of thinner wall.With regard to Fig. 7 and 8 description supporting construction outside
The burner tip part 21 of the burner tip part 11 of the burner element 2 in portion and/or the burner element 12 of inside and/
Or used in lighter spray tip part 31.Although describing Gothic arch part with regard to Fig. 7 and 8, it is also possible to using other curved shapes,
Wherein corresponding curved shape is furthermore possible to be selected with regard to selected manufacture method.
The present invention is for illustrative purposes according to specific embodiment elaborating.Here, the element of each embodiment
Being capable of combination with one another.Therefore, the present invention should not necessarily be limited to each embodiment, but only be limited by appended claim
System.
Claims (14)
1. there is a kind of burner tip (1), the burner tip burner outlet (3) and at least one to surround the burning
Device outlet (3) burner tip part (11,21,31), the burner tip part have burner tip wall (11A,
21A, 31A), the burner tip wall have formed the burner tip part (11,21, the end of the end of closing 31)
Wall (47,67,147), wherein
- burner tip the part (11,21,31) have in its inside to reach the end wall (34,47,64,147)
The wall inner side of cavity and the burner tip wall (11A, 21A, 31A) with the sensing cavity,
- pressing body is provided with the cavity, and (5,15,25), the pressing body has towards the burner tip wall
Pressing body outside on the inside of the wall of (11A, 21A, 31A),
- form at least one between the wall inner side and pressing body outside of the burner tip wall (11A, 21A, 31A)
Flow channel (10,20,30), and
- the pressing body (5,15,25) via supporting construction (46,56,76,86) with the burner tip wall (11A, 21A,
31A) wall inner side connection, the supporting construction from the pressing body outside towards the burner tip wall (11A, 21A,
Wall inner side 31A) extends,
Wherein the pressing body (5,15,25) with the supporting construction (46,56,76,86) and the burner tip wall (11A,
21A, 31A) single type ground composition, and
Wherein at least is partially projecting into the swirl vane (32) and the burner tip wall of the burner outlet (3)
(21A) single type ground is constituted.
2. burner tip (1) according to claim 1,
Wherein the supporting construction (46,56,76,86) be configured to connect lamellar or sagittate structure and at least described
End wall (34,47, in region 64), adjacent connection lamellar or sagittate structure on the outside of the pressing body on and/or
Arched member is pooled on the wall inner side of the burner tip wall (11A, 21A, 31A).
3. burner tip (1) according to claim 2,
Wherein described arched member is configured to Gothic arch part.
4. burner tip (1) according to claim 1,
Wherein by the pressing body (5,15,25) with the burner tip wall (11A, 21A, 31A) connection supporting construction
(46,56, density 76) at least the end wall (34,47, in region 64) with the burner tip wall (11A, 21A,
Increase is compared in other regions 31A).
5. burner tip (1) according to claim 4,
Wherein described burner tip wall (21A) is at the position that the density of the supporting construction (56) increases and in supporting construction
(56) more unfertile land composition is compared in the region that density does not increase.
6. burner tip (1) according to claim 1,
Wherein described burner tip wall (11A, 21A, 31A) is at least in the region of the end wall on the outside by thermal insulation layer
Coating.
7. burner tip (1) according to claim 1,
Wherein the pressing body (5,15,25) hollowly constitute.
8. burner tip (1) according to claim 7,
Wherein the pressing body (5,15,25) with relative to the end wall (34,47,64) nearside end (36,48,66),
Relative to the end wall (34,47,64) distally end (38,49,68), extruding intracoelomic cavity (42,52,72) and in the distally
End (38,49, at least one of region 68) towards the extruding intracoelomic cavity (42,52,72) unlimited pressing body open
Mouthful (40,50,70).
9. burner tip (1) according to claim 8,
Wherein diversion member (80) starts to extend into the pressing body opening from the wall inner side of the burner tip wall (21A)
(50) in so that the pressing body opening (50) is divided into the section that becomes a mandarin (81) and goes out to flow section (82) by it, and around described
Diversion member (80) becomes a mandarin section (81) and described to go out to flow the flow path between section (82) described in being formed.
10. burner tip (1) according to claim 8,
Wherein the pressing body (5,15,25) with least one towards the extruding intracoelomic cavity (42,52,72) open wide in addition
Pressing body opening, the other pressing body opening be arranged on the pressing body (5,15, the end of nearside 25) (36,48,
66) and distally end (38,49, the pressing body opening that arranges in region 68) (40,50,70) between, and institute
State extruding intracoelomic cavity (42,52,72) formed the pressing body opening (40,50,70) and the other pressing body opening between
Flow path.
11. burner tips (1) according to claim 9,
Wherein in extruding intracoelomic cavity (50), exist from the flow path branch for flowing through the flow path
(20) collecting chamber (85) of the impurity in fluid.
12. burner tips (1) according to claim 11,
The entrance for wherein arriving the collecting chamber (85) is located in the region that the flow direction (84) of the flow path changes.
13. burner tips (1) according to claim 1,
The flow channel for wherein being formed between the wall inner side and pressing body outside of the burner tip wall (21A)
(20) swirl vane (32) is extended through at least in part.
14. burner tips (1) according to claim 1,
Wherein the burner tip part (11,21,31) and the pressing body (5,15,25) annularly constitute.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12197209.5 | 2012-12-14 | ||
| EP12197209.5A EP2743579A1 (en) | 2012-12-14 | 2012-12-14 | Burner tip and burner |
| PCT/EP2013/072422 WO2014090476A1 (en) | 2012-12-14 | 2013-10-25 | Burner tip and burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104854405A CN104854405A (en) | 2015-08-19 |
| CN104854405B true CN104854405B (en) | 2017-05-17 |
Family
ID=47351518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380065579.3A Expired - Fee Related CN104854405B (en) | 2012-12-14 | 2013-10-25 | Burner tip and burner |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150300633A1 (en) |
| EP (2) | EP2743579A1 (en) |
| CN (1) | CN104854405B (en) |
| WO (1) | WO2014090476A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202014105403U1 (en) | 2014-11-11 | 2014-12-08 | Choren Industrietechnik GmbH | Swirl body and burner with swirl body |
| DE102014116411B4 (en) | 2014-11-11 | 2024-05-29 | Choren Industrietechnik GmbH | Swirl body and burner with swirl body and method for producing the swirl body |
| DE102015115409A1 (en) | 2015-07-09 | 2017-01-12 | Choren Industrietechnik GmbH | Process for the design of fluid-flow components |
| FR3067946A1 (en) | 2017-06-23 | 2018-12-28 | IFP Energies Nouvelles | DISPENSER TRAY FOR EXCHANGE COLUMN WITH HOUSING FOR GAS DISTRIBUTION |
| DE202017107794U1 (en) | 2017-12-20 | 2018-01-22 | Choren Industrietechnik GmbH | Burner tip and pilot burner |
| CN108485714B (en) * | 2018-05-28 | 2024-03-26 | 北京精益增材科技有限公司 | Integrated process burner nozzle with built-in water-cooled wall |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035172A (en) * | 1988-02-17 | 1989-08-30 | 国际壳牌研究有限公司 | The partial combustion burner of band spiral-flow cooled face |
| WO2009095144A2 (en) * | 2008-01-29 | 2009-08-06 | Siemens Aktiengesellschaft | Ceramic coating of gasification burner parts |
| CN101839481A (en) * | 2009-03-02 | 2010-09-22 | 通用电气公司 | The single-piece tubular type burner of cascading water cooling |
| CN102712468A (en) * | 2010-01-16 | 2012-10-03 | 卢尔吉有限公司 | Method and burner for producing synthesis gas |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4813867A (en) * | 1985-10-31 | 1989-03-21 | Nihon Nensho System Kabushiki Kaisha | Radiant tube burner |
| US4865542A (en) * | 1988-02-17 | 1989-09-12 | Shell Oil Company | Partial combustion burner with spiral-flow cooled face |
| JP4739090B2 (en) * | 2006-04-06 | 2011-08-03 | 大陽日酸株式会社 | Burner or lance cooling structure |
| CN101363626B (en) * | 2007-08-06 | 2015-05-20 | 国际壳牌研究有限公司 | Method of manufacturing a burner front face |
| KR101096632B1 (en) * | 2009-12-10 | 2011-12-21 | 에스케이이노베이션 주식회사 | Top feeding dual swirling gasifier |
| EP2728260A1 (en) * | 2012-11-06 | 2014-05-07 | Alstom Technology Ltd | Axial swirler |
-
2012
- 2012-12-14 EP EP12197209.5A patent/EP2743579A1/en not_active Withdrawn
-
2013
- 2013-10-25 EP EP13786205.8A patent/EP2898266A1/en not_active Withdrawn
- 2013-10-25 CN CN201380065579.3A patent/CN104854405B/en not_active Expired - Fee Related
- 2013-10-25 US US14/648,810 patent/US20150300633A1/en not_active Abandoned
- 2013-10-25 WO PCT/EP2013/072422 patent/WO2014090476A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035172A (en) * | 1988-02-17 | 1989-08-30 | 国际壳牌研究有限公司 | The partial combustion burner of band spiral-flow cooled face |
| WO2009095144A2 (en) * | 2008-01-29 | 2009-08-06 | Siemens Aktiengesellschaft | Ceramic coating of gasification burner parts |
| CN101839481A (en) * | 2009-03-02 | 2010-09-22 | 通用电气公司 | The single-piece tubular type burner of cascading water cooling |
| CN102712468A (en) * | 2010-01-16 | 2012-10-03 | 卢尔吉有限公司 | Method and burner for producing synthesis gas |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2898266A1 (en) | 2015-07-29 |
| US20150300633A1 (en) | 2015-10-22 |
| EP2743579A1 (en) | 2014-06-18 |
| CN104854405A (en) | 2015-08-19 |
| WO2014090476A1 (en) | 2014-06-19 |
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Granted publication date: 20170517 Termination date: 20171025 |