CN108224415A - A kind of air-distribution device - Google Patents
A kind of air-distribution device Download PDFInfo
- Publication number
- CN108224415A CN108224415A CN201810190516.5A CN201810190516A CN108224415A CN 108224415 A CN108224415 A CN 108224415A CN 201810190516 A CN201810190516 A CN 201810190516A CN 108224415 A CN108224415 A CN 108224415A
- Authority
- CN
- China
- Prior art keywords
- abrading block
- wind
- cap
- air
- distribution device
- 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.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 claims abstract description 36
- 239000011819 refractory material Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 7
- 239000011449 brick Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 230000008021 deposition Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
A kind of air-distribution device, several compound blast caps including air distribution plate and thereon, compound blast cap include inverted L-shaped wind cap and anti-abrading block.Wind cap includes vertical wind inlet section and anyhow wind outlet section.Anti- abrading block is screens end with wind cap connecting pin, and the other end is end.The screens end setting pipe sleeve of anti-abrading block is connected as a single entity as positioning sleeve, and with anti-abrading block.Pipe sleeve is socketed on the outside of the vertical wind inlet section of wind cap.Refractory material is laid between front and rear two neighboring compound blast cap, wind outlet section lower edge is laid to the previous compound anti-abrading block end of blast cap anyhow from the compound blast cap of the latter.Minimum range L between anti-abrading block end and wind cap outer wallBMore than or equal to the width W of anti-abrading block；Anti- abrading block screens end be symmetrical half round concave shape, spill side tooth shape hem width degree WB≥10mm.Anti- abrading block top card position end is higher than end, and from its screens end, terminad seamlessly transits.Wind cap middle and lower part is provided with positioning plate.The present invention has many advantages, such as simple in structure, the anti-ash deposition of abrasionproof.
Description
Technical field
The present invention relates to a kind of air-distribution devices, are filled more particularly to a kind of cloth wind for fluidized combustion equipment
It puts, belongs to machinery equipment field.
Background technology
In the fluidized combustions device such as such as fluidized-bed combustion boiler, the design of air-distribution device is particularly important.And blast cap is not only
Important cloth wind element, affects the fluidised quality of bed material；Meanwhile the selection of blast cap also contributes to burner hearth deslagging situation.Especially
, when burning inferior fuel, " eating to obtain into row " is especially aobvious important, is related to the stability of combustion apparatus operation for it.In order to realize
Selective deslagging often selects wind cap on fluidized combustion equipment air distribution plate.But existing wind cap is matched in realization orientation
While wind, since air quantity is larger, wind pressure is higher, often the blast cap that closes in front of its jet expansion is caused to wear, influence wind
The cap service life.Chinese patent CN2551871 discloses a kind of composite material hood, which is in 7 font air ducts（Heating resisting metal
Pipe）Surface increases the scuff-resistant coating of special anti-wear material, and wear-resistant material is by heating resisting metal pipe surface welding metal pin and by it
The heating resisting metal net of support is fixed.
Invention content
The present invention provides a kind of air-distribution devices, and using compound wind cap, anti-abrading block is set in the outside of wind cap,
And refractory material is laid between front and rear adjacent compound blast cap, abrasionproof anti-gray slag muck product.
The present invention is achieved through the following technical solutions：
A kind of air-distribution device, described device include being arranged on the air distribution plate of burner hearth bottom and be arranged in several on the air distribution plate
A compound blast cap, the compound blast cap include inverted L-shaped（Or Γ shapes）Wind cap and bite type are arranged on the wind cap
On anti-abrading block；The wind cap includes vertical wind inlet section and the wind outlet section anyhow for being arranged on vertical wind inlet section top, described
Vertical wind inlet section is arc-shaped connection with wind outlet section junction anyhow；The anti-abrading block is screens with the wind cap connecting pin
End, the other end is end；The screens end of the anti-abrading block is set as concave shape and is socketed in the vertical air inlet of the wind cap
Section outside.
As further improved technical solution, the screens end of the anti-abrading block is provided with the semicircle pipe sleeve of recess, makees
For the anti-abrading block positioning sleeve and be connected as a single entity with the anti-abrading block.
As further improved technical solution, the pipe sleeve is socketed on the outside of the vertical wind inlet section of the wind cap,
And the shroud diameter is more than the diameter of the vertical wind inlet section of the wind cap.
In above-mentioned technical proposal, refractory material, and the fire resisting are laid between former and later two described adjacent compound blast caps
Material is laid from the lower edge of wind outlet section anyhow of the compound blast cap of the latter to the anti-abrading block end of previous compound blast cap.
In above-mentioned technical proposal, the minimum range L between the anti-abrading block end and its wind cap outer wall being clampedBGreatly
In the width W equal to the anti-abrading block；The screens end of the anti-abrading block and the wind cap is symmetrical half round concave shape, spill
The minimum widith W on side Ya Zhuan sidesB≥10mm。
In above-mentioned technical proposal, the wind cap centre distance L of the front and rear two neighboring compound blast capNMore than or equal to 2
Minimum range L between anti-abrading block end again and its wind cap outer wall being clampedB, i.e. LN≥2LB。
It is concordant at the top of the wind cap at the top of the screens end of the anti-abrading block in above-mentioned technical proposal and described anti-
Abrading block screens end is higher than end；It is seamlessly transitted at the top of the anti-abrading block from its screens end terminad in camber line.
In above-mentioned technical proposal, the middle and lower part of the vertical wind inlet section of wind cap is provided with positioning plate, for described anti-
The bottom positioning of abrading block.
In above-mentioned technical proposal, the abrasionproof block of material be special shaped brick, preferably corundum extraordinary shaped brick.
Beneficial effects of the present invention are：The anti-abrading block of prefabricated special shaped brick, installation is simple, and abrasionproof effect is good；Adjacent front and rear two
Refractory material setting between a blast cap prevents ash deposition.
Description of the drawings
Fig. 1 is a kind of schematic top plan view of air-distribution device of one of embodiment according to the present invention.
Fig. 2 is a kind of partial cutaway schematic of air-distribution device according to the present invention.
Fig. 3 is that a kind of compound blast cap of air-distribution device according to the present invention arranges schematic diagram in detail.
Fig. 4 is that a kind of compound blast cap of air-distribution device according to the present invention overlooks arrangement schematic diagram.
In figure：1- burner hearths；The compound blast caps of 2-；21- wind caps；22- pipe sleeves；The anti-abrading blocks of 23-；24- positioning plates；
3- air distribution plates；4- refractory materials；5- slag-drip openings；6- accident slag tap.
Specific embodiment
Concrete structure, operation method and the implementation of the present invention are discussed in detail with embodiment below in conjunction with the accompanying drawings
It states.
The orientation such as upper, lower, left, right, front and rear in present specification term be based on position relationship shown in the drawings and
It establishes.Attached drawing is different, then corresponding position relationship is also possible to change therewith, therefore cannot be interpreted as with this to protecting model
The restriction enclosed.
A kind of air-distribution device of the present invention, including being arranged on the air distribution plate 3 of 1 bottom of burner hearth and being arranged in the air distribution plate
Several compound blast caps 2 on 3.Several compound blast caps 2 arrange that whole air-out direction is towards slag-drip opening 5 in ordered arrangement.Such as
Fig. 1 and one of embodiment shown in Fig. 2,3 inclined arrangement of air distribution plate, slag-drip opening 5 are located at the lowest side of air distribution plate 3, are
Slag-drip opening on bed.The center of air distribution plate 3 is additionally provided with accident slag tap 6, for blowing out deslagging under the state of emergency.Compound blast cap 2
It being arranged on air distribution plate 3, the compound blast cap 2 near air distribution plate center position is avoided accident slag tap 6 and is arranged in detour state,
Remaining compound blast cap 2 is in convergence oblique line shape arrangement, and the air outlet of latter compound blast cap is against previous compound blast cap.
As shown in figure 3, the compound blast cap 2 includes inverted L-shaped（Or Γ shapes）Wind cap 21 and bite type are arranged on institute
State the anti-abrading block 23 on wind cap 21.Wind cap 21 includes vertical wind inlet section and is arranged on vertical wind inlet section top anyhow
Wind outlet section, vertical wind inlet section are connect with wind outlet section junction anyhow for arc transition.Anti- abrading block 23 and 21 connecting pin of wind cap
For screens end, the other end is end.The screens end of anti-abrading block 23 is provided with semicircle pipe sleeve 22, the positioning card as anti-abrading block 23
Set, pipe sleeve 22 are connected as a single entity with anti-abrading block 23, become modular member in a specific air-distribution device.In implementation process,
Since the wind cap 21 of an air-distribution device is typically prefabrication, pipe sleeve 22 can also be integral prefabricated with anti-abrading block 23, pipe sleeve
22 diameters are more than the diameter of 21 vertical wind inlet section of wind cap.During installation, pipe sleeve 22 is socketed in the vertical air inlet of wind cap 21
Section outside makes anti-abrading block 23 also directly be connected to 21 outside of wind cap.Anti- 23 material selection special shaped brick of abrading block, preferably corundum are different
Shape brick.
As shown in Figures 2 and 3, it is concordant with 21 top of wind cap at the top of the screens end of anti-abrading block 23.Anti- 23 screens of abrading block
End is seamlessly transitted higher than its end, anti-23 top of abrading block from its screens end terminad in camber line.In general, anti-23 screens end of abrading block
Highly it is anti-23 end height h of abrading blockBThe sum of with the outer diameter of wind outlet section anyhow of wind cap 21.
The height of anti-abrading block 23 is fixed, and less than the height of wind cap 21.Therefore, as shown in figure 3, wind cap 21 is perpendicular
The middle and lower part of straight wind inlet section is provided with positioning plate 24, is positioned for the bottom of anti-abrading block 23.Positioning plate 24 and wind cap 21 are most
The distance of high point is the height at anti-23 screens end of abrading block.
As shown in figure 4, the screens end of anti-abrading block 23 and wind cap 21 is symmetrical half round concave shape, concave central is casing
The 22 21 vertical wind inlet section of wind cap with being connected to inside casing 22, the minimum widith W on spill side Ya Zhuan sidesB>=10mm,
The width W of anti-abrading block 23 is equal to the vertical wind inlet section outer diameter D and 2 times of tooth shape hem width degree W of wind cap 21BThe sum of, i.e. W=D+2WB。
Minimum range L between anti-23 end of abrading block and 21 outer wall of wind cap being clamped with itBMore than or equal to the width of anti-abrading block 23
W.Meanwhile the 21 centre distance L of wind cap of front and rear two neighboring compound blast capN23 end of anti-abrading block more than or equal to 2 times and
Minimum range L between 21 outer wall of wind cap being clamped with itB, i.e. LN≥2LB。
In addition, as shown in Fig. 2, in order to avoid sundries, lime-ash result in blockage in the lower section of compound blast cap 2 deposition and can only people
Work is dug out, and refractory material 4 is laid between former and later two adjacent compound blast caps 2, and refractory material 4 is from the compound blast cap of the latter
Anyhow wind outlet section lower edge（Anyhow below section outer wall）It is laid to 23 end of anti-abrading block of previous compound blast cap.Refractory material 4 with
To seamlessly transit, i.e., anti-23 end height of abrading block is slightly above the level of refractory material 4 for the connection of anti-23 end of abrading block, even
Meet place, refractory material 4 is formed micro- to be connected smoothly upwards.Also to the latter, the outlet air of compound blast cap forms water conservancy diversion in this way, keeps away
Exempt from direct straight line and wash away anti-abrading block 23.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of air-distribution device, described device includes that burner hearth can be arranged on（1）Interior air distribution plate（3）And it is arranged in the cloth wind
Plate（3）On several compound blast caps（2）, it is characterised in that：The compound blast cap（2）Including inverted L-shaped wind cap（21）With
Bite type is arranged on the wind cap（21）On anti-abrading block（23）；The wind cap（21）Including vertical wind inlet section and set
Put the wind outlet section anyhow on vertical wind inlet section top；The anti-abrading block（23）With the wind cap（21）Connecting pin is screens
End, the other end is end；The anti-abrading block（23）Screens end be set as concave shape and be socketed in the wind cap（21）'s
On the outside of vertical wind inlet section.
2. a kind of air-distribution device according to claim 1, it is characterised in that：The anti-abrading block（23）Screens end be provided with
The semicircle pipe sleeve of recess（22）, as the anti-abrading block（23）Positioning sleeve and with the anti-abrading block（23）It is fixedly connected as
One.
3. a kind of air-distribution device according to claim 2, it is characterised in that：The anti-abrading block（23）Pipe sleeve（22）Socket
In the wind cap（21）Vertical wind inlet section on the outside of, and have a diameter larger than the wind cap（21）Vertical straight wind section
Diameter.
4. a kind of air-distribution device according to claim 1, it is characterised in that：The front and rear two neighboring compound blast cap（2）
Between lay refractory material（4）, and the refractory material（4）From the lower edge of wind outlet section anyhow of the compound blast cap of the latter to previous
The anti-abrading block of compound blast cap（23）End is laid.
5. a kind of air-distribution device according to claim 1, it is characterised in that：The anti-abrading block（23）End is clamped with it
Wind cap（21）Minimum range L between outer wallBMore than or equal to the anti-abrading block（23）Width W；The anti-abrading block（23）
With the wind cap（21）Screens end for symmetrical half round concave shape, the minimum widith W on spill side Ya Zhuan sidesB≥10mm。
6. a kind of air-distribution device according to claim 1, it is characterised in that：The front and rear two neighboring compound blast cap is determined
To blast cap（21）Centre distance LNAnti- abrading block more than or equal to 2 times（23）The wind cap that end is clamped with it（21）Between outer wall
Minimum range LB, i.e. LN≥2LB。
7. a kind of air-distribution device according to claim 1, it is characterised in that：The anti-abrading block（23）Screens end at the top of with
The wind cap（21）Top is concordant, and the anti-abrading block（23）Screens end is higher than end；The anti-abrading block（23）Top is certainly
Its screens end terminad is seamlessly transitted in camber line.
8. a kind of air-distribution device according to claim 1, it is characterised in that：The wind cap（21）Vertical wind inlet section
Middle and lower part is provided with positioning plate（24）, for the anti-abrading block（23）Bottom positioning.
9. according to a kind of air-distribution device of claim 1 to 8 any one of them, it is characterised in that：The anti-abrading block（23）Material
Select special shaped brick.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017112085659 | 2017-11-27 | ||
| CN201711208565 | 2017-11-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108224415A true CN108224415A (en) | 2018-06-29 |
| CN108224415B CN108224415B (en) | 2024-02-02 |
Family
ID=62667217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810190516.5A Active CN108224415B (en) | 2017-11-27 | 2018-03-08 | Air distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108224415B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2549332Y (en) * | 2002-06-26 | 2003-05-07 | 宜宾丝丽雅股份有限公司 | Boiler tuyere with protective cover |
| CN2551871Y (en) * | 2002-04-12 | 2003-05-21 | 陆军 | Composite material hood for circulation fluidized bed boiler |
| CN101614400A (en) * | 2009-07-31 | 2009-12-30 | 北京热华能源科技有限公司 | A kind of fluidized selective deslagging device |
| CN201944829U (en) * | 2011-01-17 | 2011-08-24 | 四川省金路树脂有限公司 | Wearing-preventing device for transition zone of fluidized bed boiler |
| CN202598499U (en) * | 2012-06-11 | 2012-12-12 | 山东恒涛节能环保有限公司 | Anti-abrasion columnar wind cap |
| CN203068498U (en) * | 2012-09-29 | 2013-07-17 | 陕西陕煤黄陵矿业有限公司 | Wearing sleeves of boiler hood |
| CN203431852U (en) * | 2013-08-07 | 2014-02-12 | 湖北兴瑞化工有限公司 | Pouring material protective device for furnace hearth slag-dropping tube of circulating fluidized bed boiler |
| CN207922210U (en) * | 2017-11-27 | 2018-09-28 | 北京一亚高科能源科技有限公司 | A kind of air-distribution device |
-
2018
- 2018-03-08 CN CN201810190516.5A patent/CN108224415B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2551871Y (en) * | 2002-04-12 | 2003-05-21 | 陆军 | Composite material hood for circulation fluidized bed boiler |
| CN2549332Y (en) * | 2002-06-26 | 2003-05-07 | 宜宾丝丽雅股份有限公司 | Boiler tuyere with protective cover |
| CN101614400A (en) * | 2009-07-31 | 2009-12-30 | 北京热华能源科技有限公司 | A kind of fluidized selective deslagging device |
| CN201944829U (en) * | 2011-01-17 | 2011-08-24 | 四川省金路树脂有限公司 | Wearing-preventing device for transition zone of fluidized bed boiler |
| CN202598499U (en) * | 2012-06-11 | 2012-12-12 | 山东恒涛节能环保有限公司 | Anti-abrasion columnar wind cap |
| CN203068498U (en) * | 2012-09-29 | 2013-07-17 | 陕西陕煤黄陵矿业有限公司 | Wearing sleeves of boiler hood |
| CN203431852U (en) * | 2013-08-07 | 2014-02-12 | 湖北兴瑞化工有限公司 | Pouring material protective device for furnace hearth slag-dropping tube of circulating fluidized bed boiler |
| CN207922210U (en) * | 2017-11-27 | 2018-09-28 | 北京一亚高科能源科技有限公司 | A kind of air-distribution device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108224415B (en) | 2024-02-02 |
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Address after: Room A601, building a 79, Shuangqing Road, Haidian District, Beijing 100084 Applicant after: Beijing hengran Technology Co.,Ltd. Address before: Room A601, building a 79, Shuangqing Road, Haidian District, Beijing 100084 Applicant before: BEIJING ONE-A HI-TECH ENERGY TECHNOLOGY Co.,Ltd. |
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