CN109000226A - A kind of air-cooled burner - Google Patents
A kind of air-cooled burner Download PDFInfo
- Publication number
- CN109000226A CN109000226A CN201811009413.0A CN201811009413A CN109000226A CN 109000226 A CN109000226 A CN 109000226A CN 201811009413 A CN201811009413 A CN 201811009413A CN 109000226 A CN109000226 A CN 109000226A
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- air
- blade
- cone
- cylinder
- component
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- 239000002817 coal dust Substances 0.000 claims abstract description 20
- 238000009792 diffusion process Methods 0.000 claims description 31
- 239000000203 mixture Substances 0.000 claims description 19
- 239000003245 coal Substances 0.000 claims description 15
- 238000007664 blowing Methods 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D1/00—Burners for combustion of pulverulent fuel
Abstract
The present invention relates to a kind of air-cooled burners, it is characterized in that, the burner is mainly made of igniting storehouse component (1), diffusing cone component (2), inner second air component (3), outer second air component (4), coal dust tube assembly (5) and Secondary Air air duct (6)；The igniting storehouse component (1), inner second air component (3) and outer second air component (4) are sequentially connected with form burner body together from left to right；The diffusing cone component (2) and coal dust tube assembly (5) are applied in inside the burner body, and the top of the burner body is arranged in the Secondary Air air duct (6).The present invention is designed by reasonable structure, is inner second air and outer second air by secondary air separating, burner can be cooled down by relying solely on air, arrangement hydrologic cycle cooling system is not needed, so that the structure of burner is simpler, and volume reduces 50% or more, significantly reduces production cost.
Description
Technical field
The present invention relates to one of industrial coal powder boiler technical field of burner burners, specifically about a kind of use
Air carries out cooling air-cooled burner to burner.
Background technique
Burner is one of core equipment of industrial coal powder boiler, and coal dust is ignited in burner internal, then combustion-supporting
Wind, which is blown into burner hearth, carries out full combustion, and therefore, burner plays the role of igniting coal dust and organizes the stable burning of coal dust.Coal dust
Violent burning is carried out in burner internal, the temperature of burner internal is up to 800 DEG C or more, and therefore, it is necessary to cooling systems
The heat of burner is taken away rapidly, to guarantee the stable operation of burner.Currently, the method for reducing burner temperature mainly has
Two kinds: one is the volume for increasing burner, another kind is to arrange hydrologic cycle cooling system in combustor external.But this two
Kind method is respectively present following disadvantage: (1) volume for increasing burner not only results in waste of material, and be easy to cause igniting
Difficult, flame instability.(2) it not only causes burner in combustor external arrangement hydrologic cycle cooling system structure is complicated, and
And for the burner of certain structures, it is difficult to arrange hydrologic cycle cooling system.Therefore, a small in size, rapid, fire of lighting a fire is researched and developed
Flame is stable, the simple burner of cooling system structure is very necessary.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of air-cooled burner, which passes through reasonable structure
Design can not only be stablized with lesser volume of tissue coal dust and be burnt, and not need external hydrologic cycle cooling system, only make
Burner can be cooled down with air.
To achieve the above object, the present invention takes following technical scheme: a kind of air-cooled burner, which is characterized in that the combustion
Burner is mainly by igniting storehouse component (1), diffusing cone component (2), inner second air component (3), outer second air component (4), coal pipe
Component (5) and Secondary Air air duct (6) composition；The igniting storehouse component (1), inner second air component (3) and outer second air component (4)
It is sequentially connected with from left to right and forms burner body together；The diffusing cone component (2) and coal dust tube assembly (5) are applied in institute
It states inside burner body, the top of the burner body is arranged in the Secondary Air air duct (6)；
The igniting storehouse component (1) is mainly blown by igniting storehouse flange (11), igniter (12), torch oil gun (13), shock wave
Grey big gun (14), air baffle ring (15) and igniting storehouse blade assembly (16) composition；The igniter (12), torch oil gun (13) and shock wave
Air ash-blowing gun (14) is mounted on the igniting storehouse flange (11) by interface block respectively, and the other end of the interface block passes through described
Igniting storehouse flange (11) protrudes into inside the burner body；The air baffle ring (15) is mounted in the igniting storehouse flange (11)
Side, the igniting storehouse blade assembly (16) connect with the air baffle ring (15)；
The diffusing cone component (2) is mainly by diffusing cone forward flange (21), diffusion conical inner surface (22), diffusing cone outer wall
(23), diffusing cone blade (24) and diffusing cone rear flange (25) composition；The intermediate aperture of the diffusing cone forward flange (21), it is described
Diffusion conical inner surface (22) is fixed on the diffusing cone forward flange (21)；The left end of diffusion conical inner surface (22) and the igniting
The right end periphery of storehouse blade assembly (16) connection, diffusion conical inner surface (22) is circumferentially installed by several diffusing cone blades
(24)；The intermediate aperture of the diffusing cone rear flange (25), left end and the method after the diffusing cone of the diffusing cone outer wall (23)
Blue (25) are connected, and connect on the inside of right end with the outside of the diffusing cone blade (24)；
The inner second air component (3) is mainly by the small air duct of inner second air (31), the big air duct of inner second air (32), interior secondary
Air valve (33) and deflection cone (34) composition；The upper end of the Secondary Air air duct (6) has an air inlet, and there are two lower end tools
Air outlet, upper end phase of one of air outlet through the interior secondary air valve (33) and the small air duct of the inner second air (31)
Even；The left end of the big air duct of inner second air (32) is fixed on the igniting storehouse flange (11), and right end is fixed on the diffusion
It bores on flange (21)；The lower end of the small air duct of inner second air (31) is connected with the big air duct of the inner second air (32), described to lead
Flow cone (34) is fixed on the small air duct of the inner second air (31) and the big air duct of the inner second air (32) connection position positioned at outside
Set place；
The outer second air component (4) is mainly small by outer second air outer cylinder (41), outer second air inner cylinder (42), outer second air
Air duct (43) and outer second air valve (44) composition；A left side for the outer second air outer cylinder (41) and the outer second air inner cylinder (42)
End is fixed on the diffusing cone forward flange (21), and right end is fixed on the diffusing cone rear flange (25)；The outer second air
The upper end of small air duct (43) is connect by the outer second air valve (44) with another air outlet of the Secondary Air air duct (6),
The lower end of the small air duct of outer second air (43) through the outer second air outer cylinder (41) afterwards with the outer second air inner cylinder (42)
It is connected.
In a preferred embodiment, the coal dust tube assembly (5) mainly by interface flange (51), coal pipe (52) and
Reverberation bowl (53) composition；The coal pipe (52) is fixed on the igniting storehouse flange (11), the left end of the coal pipe (52)
It connects the interface flange (51), right end connects the reverberation bowl (53).
In a preferred embodiment, the igniting storehouse blade assembly (16) mainly by blade inner cylinder (161), blade outside
Cylinder (162) and axial blade (163) composition；The left end of the blade inner cylinder (161) is connect with the air baffle ring (15), the leaf
The right end of piece outer cylinder (162) is connect with the diffusion conical inner surface (22), and the axial blade (163) is axially spaced to be welded on institute
It states between blade inner cylinder (161) and the blade outer cylinder (162)；The number of the axial blade (163) is 18, and circumferentially
It is uniformly distributed, the angle between two adjacent axial blades (163) is all 20 °.
In a preferred embodiment, the igniting storehouse blade assembly (16) is mainly by the left ring flat-plate of blade (164), blade
Right ring flat-plate (165) and radial blade (166) composition；The inner ring of the left ring flat-plate of blade (164) is connect with the air baffle ring (15),
The outer ring of the right ring flat-plate of blade (165) is connect with the diffusion conical inner surface (22), and the radial blade (166) is radially spaced
It is welded between the left ring flat-plate of the blade (164) and the right ring flat-plate of the blade (165)；The number of the radial blade (166) is
18, and be uniformly distributed circumferentially, the angle between two adjacent radial blades (166) is all 20 °.
In a preferred embodiment, before the outer second air outer cylinder (41), outer second air inner cylinder (42), diffusing cone
Insulating layer (7) are poured within the space of flange (21), diffusing cone rear flange (25) and the small air duct of outer second air (43) composition.
In a preferred embodiment, the diffusion conical inner surface (22) and diffusing cone outer wall (23) are by one from left-hand
First cone cylinder of right flaring and tapered the second cone cylinder of a right-to-left are composed, and the length of first cone cylinder is greater than
The length of second cone cylinder；Meanwhile the second cone cylinder length and the diffusing cone outer wall (23) of diffusion conical inner surface (22)
The second cone cylinder length it is identical, the first cone cylinder length of diffusion conical inner surface (22) is greater than the of the diffusing cone outer wall (23)
One cone cylinder length.
In a preferred embodiment, the number of the diffusing cone blade (23) is 12, and is uniformly distributed circumferentially
Between diffusion conical inner surface (22) and second cone cylinder of diffusing cone outer wall (23).
In a preferred embodiment, the shock-wave ash blowing big gun (14) is mounted on the interface block of bottom, and
And the first cone cylinder and the second cone cylinder company of extension line alignment diffusion conical inner surface (22) of shock-wave ash blowing big gun (14) outlet
Connect position.
In a preferred embodiment, video camera (17), fire defector are also equipped on the igniting storehouse flange (11)
Device (18) and flame-observing hole (19).
In a preferred embodiment, multiple air holes are equably opened in the circumferential direction of the air baffle ring (15).
The invention adopts the above technical scheme, which has the following advantages: 1, secondary air separating is interior secondary by the present invention
Wind and outer second air, burner can be cooled down by relying solely on air, arrangement hydrologic cycle cooling system not needed, so that burner
Structure it is simpler, and volume reduce 50% or more, significantly reduce production cost.2, the present invention can be by modifying phase
The structure snd size of components are closed, so as to adjust the Flow and heat flux of air-cooled burner internal, air-cooled burner is improved and adapts to
The ability of different operating conditions.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention 1；
Fig. 2 is the main composition parts schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the layout of equipment on fiery storehouse flange of the invention；
Fig. 4 is the air-cooled burner structure and interior flow field schematic diagram of the embodiment of the present invention 1；
Fig. 5 is the air-cooled burner structure and interior flow field schematic diagram of the embodiment of the present invention 2.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.It should be appreciated, however, that the offer of attached drawing is only
For a better understanding of the present invention, they should not be interpreted as limitation of the present invention.
As shown in Figure 1, air-cooled burner provided by the invention is mainly by igniting storehouse component 1, diffusing cone component 2, interior secondary
Wind component 3, outer second air component 4, coal dust tube assembly 5 and Secondary Air air duct 6 form.Igniting storehouse component 1, inner second air component 3
Burner body is formed together with being sequentially connected with from left to right with outer second air component 4.Diffusing cone component 2 and coal dust tube assembly 5
It is applied in inside burner body, the top of burner body is arranged in Secondary Air air duct 6.
As shown in Figure 2 and Figure 3, igniting storehouse component 1 is mainly by igniting storehouse flange 11, igniter 12, torch oil gun 13, shock wave
Air ash-blowing gun 14, air baffle ring 15 and igniting storehouse blade assembly 16 form.Igniter 12, torch oil gun 13 and shock-wave ash blowing big gun 14 are distinguished
It is mounted on igniting storehouse flange 11 by interface block, the other end of interface block passes through igniting storehouse flange 11 and protrudes into burner body
Portion.Air baffle ring 15 is mounted on 11 inside of igniting storehouse flange, and igniting storehouse blade assembly 16 is connect with air baffle ring 15.
Diffusing cone component 2 is mainly by diffusing cone forward flange 21, diffusion conical inner surface 22, diffusing cone outer wall 23, diffusing cone blade
24 and diffusing cone rear flange 25 form.The intermediate aperture of diffusing cone forward flange 21, diffusing cone 22 are fixed on diffusing cone forward flange 21
On.The left end of diffusion conical inner surface 22 is connect with igniting storehouse blade assembly 16, and the right end periphery of diffusion conical inner surface 22 is circumferentially installed
Several diffusing cone blades 24.The intermediate aperture of diffusing cone rear flange 25, the left end of diffusing cone outer wall 23 and diffusing cone rear flange
25 are connected, and connect on the inside of right end with the outside of diffusing cone blade 24.
Inner second air component 3 is mainly by the small air duct 31 of inner second air, the big air duct 32 of inner second air, 33 and of inner second air valve
Deflection cone 34 forms.The upper end of Secondary Air air duct 6 has an air inlet, and there are two air outlet, one of outlet air for lower end tool
Mouth is connected through inner second air valve 33 with the upper end of the small air duct 31 of inner second air.The left end of the big air duct 32 of inner second air is fixed on a little
On fiery storehouse flange 11, right end is fixed on diffusing cone forward flange 21.The lower end of the small air duct 31 of inner second air and inner second air strong wind
Cylinder 32 is connected, and deflection cone 34 is welded on the small air duct 31 of the inner second air positioned at outside and big 32 link position of air duct of inner second air
Place.
Outer second air component 4 is mainly by outer second air outer cylinder 41, outer second air inner cylinder 42, the small air duct 43 of outer second air and outer
Secondary air valve 44 forms.The left end of outer second air outer cylinder 41 and outer second air inner cylinder 42 is fixed on diffusing cone forward flange 21,
Right end is fixed on diffusing cone rear flange 25.The upper end of the small air duct 43 of outer second air passes through outer second air valve 44 and Secondary Air wind
Another air outlet connection of cylinder 6, the lower end of the small air duct 43 of outer second air after outer second air outer cylinder 41 with outer second air inner cylinder
42 are connected.
Coal dust tube assembly 5 is mainly made of interface flange 51, coal pipe 52 and reverberation bowl 53.Coal pipe 52 is fixed on igniting
On storehouse flange 11, the left end connecting interface flange 51 of coal pipe 52, right end connects reverberation bowl 53.
As shown in figure 4, the embodiment of the present invention 1 provide igniting storehouse blade assembly 16 mainly by blade inner cylinder 161, blade outside
Cylinder 162 and axial blade 163 (air flows through the axial movement after blade along air-cooled burner) composition.A left side for blade inner cylinder 161
End is connect with air baffle ring 15, and the right end of blade outer cylinder 162 is connect with diffusion conical inner surface 22, the axially spaced weldering of axial blade 163
It connects between blade inner cylinder 161 and blade outer cylinder 162；Preferably, the number of axial blade 163 is 18, and circumferentially uniformly
It is distributed, the angle between two adjacent axial blades 163 is all 20 °.
As shown in figure 5, the igniting storehouse blade assembly 16 that the embodiment of the present invention 2 provides is mainly by the left ring flat-plate 164 of blade, blade
Right ring flat-plate 165 and radial blade 166 (air flows through the radial motion after blade along air-cooled burner) composition.The left ring flat-plate of blade
164 inner ring is connect with air baffle ring 15, and the outer ring of the right ring flat-plate 165 of blade is connect with diffusion conical inner surface 22, and radial blade 166 is along diameter
It is welded between the left ring flat-plate 164 of blade and the right ring flat-plate 165 of blade to interval；Preferably, the number of radial blade 166 is also 18
It is a, and be uniformly distributed circumferentially, the angle between two adjacent radial blades 166 is all 20 °.
In a preferred embodiment, as shown in Fig. 2, in outer second air outer cylinder 41, outer second air inner cylinder 42, diffusing cone
Insulating layer 7 is poured within the space that forward flange 21, diffusing cone rear flange 25 and the small air duct 43 of outer second air form, high temperature is avoided to burn
While bad air-cooled burner apparatus, reduce heat losses, to improve the thermal efficiency of air-cooled burner.
In a preferred embodiment, conical inner surface 22 and diffusing cone outer wall 23 are spread by a flaring from left to right
First cone cylinder and tapered the second cone cylinder of a right-to-left are composed, and the length of the first cone cylinder is greater than the length of the second cone cylinder
Degree；Meanwhile conical inner surface 22 is spread compared with diffusing cone outer wall 23, the length of the second cone cylinder of the two is identical, but spreads conical inner surface 22
The first cone cylinder length be greater than diffusing cone outer wall 23 the first cone cylinder length.
In a preferred embodiment, the number of diffusing cone blade 23 is 12, and is uniformly distributed circumferentially and is spreading
Between conical inner surface 22 and the second cone cylinder of diffusing cone outer wall 23.
In a preferred embodiment, when air-cooled burner operation, due to diffusion conical inner surface 22 the first cone cylinder and
The possible coking in the bottom of second cone cylinder link position (i.e. the first cone cylinder diameter maximum position), therefore shock-wave ash blowing big gun 14 is installed
On the interface block of bottom, and the extension line of the outlet of shock-wave ash blowing big gun 14 will be directed at the position of coking.
In a preferred embodiment, as shown in figure 3, being also equipped with video camera 17, flame inspection on igniting storehouse flange 11
Device 18 and flame-observing hole 19 are surveyed, for observing the combustion position of air-cooled burner internal flame.
As shown in figure 4, the course of work of air-cooled burner is such as when igniting storehouse blade assembly uses axial blade component
Under:
Torch oil gun sprays into diesel oil in the inner space of diffusing cone inner wall surrounding, and igniter lights diesel oil.Coal pipe
It is connect by interface flange with the powder feeder unit of air-cooled burner upstream, First air carries coal dust and enters air-cooled burning by coal pipe
Device enters after reverberation bowl reflects in the space of diffusing cone inner wall surrounding, and the diesel oil of burning lights coal dust.
Secondary Air enters air-cooled burner by Secondary Air air duct, is split into inner second air component and outer second air group
Part, the air quantity into inside and outside Secondary Air component are controlled by inside and outside secondary air valve respectively.A part of Secondary Air is (secondary in i.e.
Wind) the big air duct of inner second air entered by the small air duct of inner second air, after deflection cone and air baffle ring, by axial blade component
The coal dust of burning is blown into burner hearth into the space of diffusing cone inner wall surrounding.Axial blade is irregular curved surface, for adjusting
Save the export direction of inner second air.Most Secondary Airs into the big air duct of inner second air enter expansion by axial blade component
Conical inner surface is dissipated, coal dust is accumulated in the circular space of air baffle ring in order to prevent, equably opens multiple air holes in the circumferential direction of air baffle ring, it is few
The air holes that part inner second air passes through on air baffle ring enters diffusion conical inner surface.
The another part (i.e. outer second air) of Secondary Air enters outer second air inner cylinder and expansion by the small air duct of outer second air
It dissipates in the space between conical inner surface, along the outside flowing of diffusion conical inner surface, by between diffusion conical inner surface and diffusing cone outer wall
Enter in burner hearth after diffusing cone blade.Diffusing cone blade is irregular curved surface, for adjusting the export direction of outer second air.
Inside and outside Secondary Air mixes in burner hearth, and outer second air assists the coal that will be burnt in air-cooled burner while playing cooling effect
Powder is blown into burner hearth.
As shown in figure 5, when igniting storehouse blade assembly uses radial blade component, with the master using axial blade component
Otherwise same to be: after inner second air flows through deflection cone, most of inner second air is through radial blade component radially into diffusing cone
In the space of inner wall surrounding, the air holes that small part inner second air passes through on air baffle ring enters in the space of diffusing cone inner wall surrounding,
The coal dust of burning is blown into burner hearth and mixed with outer second air by inner second air, eventually enters into hearth combustion.Fig. 4 and shown in fig. 5
Two kinds of embodiments can change flow field and the temperature of air-cooled burner internal by adjusting the structure snd size of related components
, to improve the operation conditions of air-cooled burner according to actual condition.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type and manufacture craft etc. are all
It can be varied, all equivalents and improvement carried out based on the technical solution of the present invention should not exclude
Except protection scope of the present invention.
Claims (10)
1. a kind of air-cooled burner, which is characterized in that the burner is mainly by igniting storehouse component (1), diffusing cone component (2), interior
Secondary Air component (3), outer second air component (4), coal dust tube assembly (5) and Secondary Air air duct (6) composition；The igniting storehouse component
(1), inner second air component (3) and outer second air component (4) are sequentially connected with form burner body together from left to right；It is described
Diffusing cone component (2) and coal dust tube assembly (5) are applied in inside the burner body, and Secondary Air air duct (6) setting exists
The top of the burner body；
The igniting storehouse component (1) is mainly by igniting storehouse flange (11), igniter (12), torch oil gun (13), shock-wave ash blowing big gun
(14), air baffle ring (15) and igniting storehouse blade assembly (16) composition；The igniter (12), torch oil gun (13) and shock-wave ash blowing
Big gun (14) is mounted on the igniting storehouse flange (11) by interface block respectively, and the other end of the interface block passes through the igniting
Storehouse flange (11) protrudes into inside the burner body；The air baffle ring (15) is mounted on the inside of the igniting storehouse flange (11),
The igniting storehouse blade assembly (16) connect with the air baffle ring (15)；
The diffusing cone component (2) is mainly by diffusing cone forward flange (21), diffusion conical inner surface (22), diffusing cone outer wall (23), expansion
Dissipate cone blade (24) and diffusing cone rear flange (25) composition；The intermediate aperture of the diffusing cone forward flange (21), the diffusing cone
Inner wall (22) is fixed on the diffusing cone forward flange (21)；The left end of diffusion conical inner surface (22) and the igniting storehouse blade
The right end periphery of component (16) connection, diffusion conical inner surface (22) is circumferentially installed by several diffusing cone blades (24)；
The intermediate aperture of the diffusing cone rear flange (25), the left end of the diffusing cone outer wall (23) and the diffusing cone rear flange (25)
It is connected, is connect on the inside of right end with the outside of the diffusing cone blade (24)；
The inner second air component (3) is mainly by the small air duct of inner second air (31), the big air duct of inner second air (32), inner second air valve
Door (33) and deflection cone (34) composition；The upper end of the Secondary Air air duct (6) has an air inlet, and there are two outlet air for lower end tool
Mouthful, one of air outlet is connected through the interior secondary air valve (33) with the upper end of the small air duct of the inner second air (31)；Institute
The left end for stating the big air duct of inner second air (32) is fixed on the igniting storehouse flange (11), and right end is fixed on the diffusing cone flange
(21) on；The lower end of the small air duct of inner second air (31) is connected with the big air duct of the inner second air (32), the deflection cone
(34) it is fixed at the small air duct of the inner second air (31) and the big air duct of the inner second air (32) link position in outside；
The outer second air component (4) is mainly by outer second air outer cylinder (41), outer second air inner cylinder (42), the small air duct of outer second air
(43) it is formed with outer second air valve (44)；The left end of the outer second air outer cylinder (41) and the outer second air inner cylinder (42) is solid
It is scheduled on the diffusing cone forward flange (21), right end is fixed on the diffusing cone rear flange (25)；The small wind of outer second air
The upper end of cylinder (43) is connect by the outer second air valve (44) with another air outlet of the Secondary Air air duct (6), described
The lower end of the small air duct of outer second air (43) is connected with the outer second air inner cylinder (42) afterwards through the outer second air outer cylinder (41).
2. a kind of air-cooled burner as described in claim 1, which is characterized in that the coal dust tube assembly (5) is mainly by interface
Flange (51), coal pipe (52) and reverberation bowl (53) composition；The coal pipe (52) is fixed on the igniting storehouse flange (11),
The left end of the coal pipe (52) connects the interface flange (51), and right end connects the reverberation bowl (53).
3. a kind of air-cooled burner as described in claim 1, which is characterized in that the igniting storehouse blade assembly (16) mainly by
Blade inner cylinder (161), blade outer cylinder (162) and axial blade (163) composition；The left end of the blade inner cylinder (161) with it is described
Air baffle ring (15) connection, the right end of the blade outer cylinder (162) are connect with the diffusion conical inner surface (22), the axial blade
(163) axially spaced to be welded between the blade inner cylinder (161) and the blade outer cylinder (162)；The axial blade
(163) number is 18, and is uniformly distributed circumferentially, and the angle between two adjacent axial blades (163) is all
20°。
4. a kind of air-cooled burner as described in claim 1, which is characterized in that the igniting storehouse blade assembly (16) mainly by
The left ring flat-plate of blade (164), the right ring flat-plate of blade (165) and radial blade (166) composition；The inner ring of the left ring flat-plate of blade (164)
It is connect with the air baffle ring (15), the outer ring of the right ring flat-plate of blade (165) is connect with the diffusion conical inner surface (22), the diameter
It is welded between the left ring flat-plate of the blade (164) and the right ring flat-plate of the blade (165) to blade (166) is radially spaced；It is described
The number of radial blade (166) is 18, and is uniformly distributed circumferentially, the angle between two adjacent radial blades (166)
Degree is all 20 °.
5. such as a kind of described in any item air-cooled burners of claims 1 to 4, which is characterized in that in the outer second air outer cylinder
(41), outer second air inner cylinder (42), diffusing cone forward flange (21), diffusing cone rear flange (25) and the small air duct of outer second air (43) group
At space within pour insulating layer (7).
6. such as a kind of described in any item air-cooled burners of claims 1 to 4, which is characterized in that the diffusion conical inner surface (22)
With diffusing cone outer wall (23) by the first cone cylinder of flaring and the tapered second cone cylinder group of a right-to-left from left to right
It closes, and the length of first cone cylinder is greater than the length of second cone cylinder；Meanwhile the of diffusion conical inner surface (22)
Plug tap tube length degree is identical as the second cone cylinder length of the diffusing cone outer wall (23), the first cone cylinder of diffusion conical inner surface (22)
Length is greater than the first cone cylinder length of the diffusing cone outer wall (23).
7. a kind of air-cooled burner stated such as claim 6, which is characterized in that the number of the diffusing cone blade (23) is 12
It is a, and be uniformly distributed circumferentially between diffusion conical inner surface (22) and second cone cylinder of diffusing cone outer wall (23).
8. a kind of air-cooled burner as claimed in claim 6, which is characterized in that the shock-wave ash blowing big gun (14) is mounted on most lower
On the interface block of side, and the of extension line alignment diffusion conical inner surface (22) of the shock-wave ash blowing big gun (14) outlet
One cone cylinder and the second cone cylinder link position.
9. such as a kind of described in any item air-cooled burners of claims 1 to 4, which is characterized in that the igniting storehouse flange (11)
On be also equipped with video camera (17), flame detector (18) and flame-observing hole (19).
10. such as a kind of described in any item air-cooled burners of claims 1 to 4, which is characterized in that in the air baffle ring (15)
It is circumferential equably to open multiple air holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009413.0A CN109000226B (en) | 2018-08-31 | 2018-08-31 | Air-cooled burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811009413.0A CN109000226B (en) | 2018-08-31 | 2018-08-31 | Air-cooled burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109000226A true CN109000226A (en) | 2018-12-14 |
| CN109000226B CN109000226B (en) | 2023-12-29 |
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| CN201811009413.0A Active CN109000226B (en) | 2018-08-31 | 2018-08-31 | Air-cooled burner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237757A (en) * | 2020-01-22 | 2020-06-05 | 北京纪祥节能科技有限公司 | Double-cone rotational flow premixing burner |
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| US20020192615A1 (en) * | 1999-12-15 | 2002-12-19 | Koji Moriya | Fluid distributor,burner device, gas turbine engine, and cogeneration system |
| CN101103227A (en) * | 2004-11-17 | 2008-01-09 | 韦巴斯托股份公司 | Burner for motor vehicle heater has heat shield with apertures having air guide elements to take secondary air into combustion chamber |
| CN101093077A (en) * | 2007-05-25 | 2007-12-26 | 清华大学 | Eddy flow powdered coal burner lit up by tiny oil |
| CN103791494A (en) * | 2014-01-22 | 2014-05-14 | 煤炭科学研究总院 | Air-cooled pulverized coal low-nitrogen combustor and application method thereof |
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| CN206094062U (en) * | 2016-08-29 | 2017-04-12 | 煤科院节能技术有限公司 | Strong efflux combustor that revolves |
| CN206145669U (en) * | 2016-09-28 | 2017-05-03 | 北京盛恒鑫业能源科技有限公司 | Swirling flow pulverized coal burner |
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| CN111237757A (en) * | 2020-01-22 | 2020-06-05 | 北京纪祥节能科技有限公司 | Double-cone rotational flow premixing burner |
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| Publication number | Publication date |
|---|---|
| CN109000226B (en) | 2023-12-29 |
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Address after: 100013 No. 5 Youth ditch East Road, Hepingli, Beijing, Chaoyang District Applicant after: Beijing Tiandi Sunac Technology Co.,Ltd. Applicant after: CCTEG CHINA COAL Research Institute Address before: 100013 No. 5 Youth ditch East Road, Hepingli, Beijing, Chaoyang District Applicant before: CHINA COAL RESEARCH INSTITUTE (CCRI) ENERGY SAVING TECHNOLOGY CO.,LTD. Applicant before: CCTEG CHINA COAL Research Institute |
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