CN207922210U - A kind of air-distribution device - Google Patents
A kind of air-distribution device Download PDFInfo
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- CN207922210U CN207922210U CN201820318174.6U CN201820318174U CN207922210U CN 207922210 U CN207922210 U CN 207922210U CN 201820318174 U CN201820318174 U CN 201820318174U CN 207922210 U CN207922210 U CN 207922210U
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- abrading block
- wind
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- air
- distribution device
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Abstract
A kind of air-distribution device, including air distribution plate and several compound blast caps thereon, compound blast cap includes Γ shapes wind cap and anti-abrading block.Wind cap includes vertical wind inlet section and wind outlet section anyhow.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 linked together 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 back 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 is 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 utility model has many advantages, such as simple in structure, the anti-ash deposition of abrasionproof.
Description
Technical field
The utility model relates to a kind of air-distribution devices, more particularly to a kind of cloth wind for fluidized combustion equipment
Device 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.
Utility model content
The utility model provides a kind of air-distribution device, and using compound wind cap, in the outside of wind cap, setting is anti-
Abrading block, and refractory material is laid between front and back adjacent compound blast cap, abrasionproof anti-gray slag muck product.
The utility model is achieved by the following technical solution：
A kind of air-distribution device, described device include be arranged burner hearth bottom air distribution plate and be arranged on the air distribution plate
Several compound blast caps, the compound blast cap includes inverted L-shaped（Or Γ shapes）Wind cap and bite type are arranged in the orientation
Anti- abrading block on blast cap；The wind cap includes vertical wind inlet section and the wind outlet section anyhow on vertical wind inlet section top is arranged,
The vertical wind inlet section is arc-shaped connection with wind outlet section junction anyhow；The anti-abrading block is with the wind cap connecting pin
Screens end, the other end are end；The screens end of the anti-abrading block is set as concave shape and is socketed in the vertical of the wind cap
On the outside of wind inlet section.
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 linked together 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 the side sides Ya ZhuanB≥10mm。
In above-mentioned technical proposal, the wind cap centre distance L of the front and back 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 from its screens end terminad in camber line at the top of the anti-abrading block.
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 of abrading block positions.
In above-mentioned technical proposal, the abrasionproof block of material is special shaped brick, preferably corundum extraordinary shaped brick.
The beneficial effects of the utility model are：The anti-abrading block of prefabricated special shaped brick, installation is simple, and abrasionproof effect is good；Before adjacent
Refractory material setting between latter two blast cap prevents ash deposition.
Description of the drawings
Fig. 1 is a kind of schematic top plan view of one of the involved air-distribution device of embodiment of the utility model.
Fig. 2 is a kind of partial cutaway schematic of air-distribution device involved by the utility model.
Fig. 3 is a kind of detailed arrangement schematic diagram of compound blast cap of air-distribution device involved by the utility model.
Fig. 4 is that a kind of compound blast cap of air-distribution device involved by the utility model 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 implementation mode
The concrete structure, operation method and implementation of the utility model are carried out with embodiment below in conjunction with the accompanying drawings detailed
It discusses.
The orientation such as upper, lower, left, right, front and rear in present specification term be position relationship based on ... 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 described in the utility model, including be arranged 1 bottom of burner hearth air distribution plate 3 and be arranged in the cloth
Several compound blast caps 2 on aerofoil 3.Several compound blast caps 2 arrange that whole air-out direction is towards slag-drip opening in ordered arrangement
5.Embodiment, 3 inclined arrangement of air distribution plate, slag-drip opening 5 one of as depicted in figs. 1 and 2 are located at the minimum of air distribution plate 3
Side is 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.It is compound
Blast cap 2 is arranged on air distribution plate 3, and it is in detour state that the compound blast cap 2 near air distribution plate center position, which avoids accident slag tap 6,
Arrangement, 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.
It is arranged in the wind cap 21 as shown in figure 3, the compound blast cap 2 includes Γ shapes wind cap 21 and bite type
On anti-abrading block 23.Wind cap 21 includes vertical wind inlet section and the wind outlet section anyhow on vertical wind inlet section top is arranged, vertically
Wind inlet section is that arc transition is connect with wind outlet section junction anyhow.Anti- abrading block 23 is screens end with 21 connecting pin of wind cap, separately
One end is end.The screens end of anti-abrading block 23 is provided with semicircle pipe sleeve 22, as the positioning sleeve of anti-abrading block 23, pipe sleeve 22 with
Anti- abrading block 23 is linked together, and becomes modular member in a specific air-distribution device.In implementation process, due to a cloth wind
The wind cap 21 of device is typically prefabrication, and pipe sleeve 22 can also be integral prefabricated with anti-abrading block 23, and 22 diameter of pipe sleeve is more than fixed
To the diameter of 21 vertical wind inlet section of blast cap.When installation, pipe sleeve 22 is socketed on the outside of the vertical wind inlet section of wind cap 21, makes abrasionproof
Block 23 is also directly connected to 21 outside of wind cap.23 material selection special shaped brick of anti-abrading block, preferably corundum extraordinary shaped brick.
As shown in Figures 2 and 3, concordant with 21 top of wind cap at the top of the screens end of anti-abrading block 23.23 screens of anti-abrading block
End is higher than its end, and 23 top of anti-abrading block is seamlessly transitted from its screens end terminad in camber line.In general, 23 screens end of anti-abrading block
Height is 23 end height h of anti-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, and the bottom for anti-abrading block 23 positions.Positioning plate 24 and wind cap 21 are most
The distance of high point is the height at 23 screens end of anti-abrading block.
As shown in figure 4, anti-abrading block 23 and the screens end of wind cap 21 are symmetrical half round concave shape, concave central is casing
22 with the 21 vertical wind inlet section of wind cap that is connected to inside casing 22, the minimum widith W on the spill side sides Ya ZhuanB>=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 23 end of anti-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 back 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
The connection of 23 end of anti-abrading block is to seamlessly transit, i.e., anti-23 end height of abrading block is slightly above the level of refractory material 4, even
Meet place, refractory material 4 is formed micro- to be connected smoothly upwards.Water conservancy diversion also is formed to the outlet air of the compound blast cap of the latter in this way, is kept away
Exempt from direct straight line and washes away anti-abrading block 23.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of air-distribution device, described device includes that can be arranged in burner hearth（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 in the wind cap（21）On anti-abrading block（23）；The wind cap（21）Including vertical wind inlet section and set
Set 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 back 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 be symmetrical half round concave shape, the minimum widith W on the spill side sides Ya ZhuanB≥10mm。
6. a kind of air-distribution device according to claim 1, it is characterised in that：The front and back 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）, it is used 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 |
|---|---|---|---|
| CN201721607651 | 2017-11-27 | ||
| CN2017216076512 | 2017-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207922210U true CN207922210U (en) | 2018-09-28 |
Family
ID=63597628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820318174.6U Active CN207922210U (en) | 2017-11-27 | 2018-03-08 | A kind of air-distribution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207922210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224415A (en) * | 2017-11-27 | 2018-06-29 | 北京亚高科能源科技有限公司 | A kind of air-distribution device |
-
2018
- 2018-03-08 CN CN201820318174.6U patent/CN207922210U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108224415A (en) * | 2017-11-27 | 2018-06-29 | 北京亚高科能源科技有限公司 | A kind of air-distribution device |
| CN108224415B (en) * | 2017-11-27 | 2024-02-02 | 北京衡燃科技有限公司 | Air distribution device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room A601, building a 79, Shuangqing Road, Haidian District, Beijing 100084 Patentee after: Beijing hengran Technology Co.,Ltd. Address before: Room A601, building a 79, Shuangqing Road, Haidian District, Beijing 100084 Patentee before: BEIJING ONE-A HI-TECH ENERGY TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |