CN208952083U - A kind of CFB boiler blast cap easy to assemble - Google Patents
A kind of CFB boiler blast cap easy to assemble Download PDFInfo
- Publication number
- CN208952083U CN208952083U CN201821055258.1U CN201821055258U CN208952083U CN 208952083 U CN208952083 U CN 208952083U CN 201821055258 U CN201821055258 U CN 201821055258U CN 208952083 U CN208952083 U CN 208952083U
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- CN
- China
- Prior art keywords
- blast cap
- assemble
- cap cover
- card slot
- boss
- 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.)
- Expired - Fee Related
Links
- 238000009826 distribution Methods 0.000 claims description 10
- 239000003245 coal Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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- Cookers (AREA)
Abstract
The utility model proposes a kind of CFB boiler blast caps easy to assemble, it includes wind bar and the blast cap cover for covering at wind bar upper end, a boss is equipped on the lateral surface of the wind bar, the lower port of the blast cap cover is placed on the boss, and is connected between the boss by a buckle structure；Wherein, air holes being offered respectively on the side wall of the blast cap cover and the wind bar, being formed with an airflow channel between the two, each air holes is connected with the airflow channel.The CFB boiler of the utility model blast cap easy to assemble, using removably connection blast cap cover and wind bar, convenient for material-saving laborsaving in dismounting.
Description
Technical field
The utility model relates to circulating fluidized bed boiler component, in particular to a kind of CFB boiler blast cap easy to assemble.
Background technique
The coal utilization of China is based on burning, and coal fired power generation is mainly with pulverized-coal fired boiler and (CFB pots of circulating fluidized bed boiler
Furnace) based on.Blast cap is the important component for forming circulating fluidized bed boiler air distribution plate, and which determine the fluid effects of bed.
Bell-type windshield is used on Most current CFB boiler air distribution plate, blast cap cover and the connection of wind bar are general
By the way of welding, wind bar lower part fixed block is supported on air distribution plate fin and welds, and fin top is laid with castable.By
The running environment locating for blast cap is severe, and high temperature causes blast cap cover General Life in 2-3 along with the bed material of high-speed motion.
During replacement, since blast cap cover is to be weldingly connected to connect with wind bar, first cast bed of material need to will be removed, by wind bar by cloth
It is removed on aerofoil, could replace blast cap cover later, human input is more, heavy workload, while increasing subsequent reparation castable
Expense.
In view of this, the present inventor develops a kind of CFB according to the production design experience for being engaged in this field and related fields
Boiler blast cap easy to assemble, it is of the existing technology to solve the problems, such as.
Utility model content
The purpose of this utility model is to be to provide a kind of CFB boiler blast cap easy to assemble, connects wind using removably
Calotte and wind bar, convenient for material-saving laborsaving in dismounting.
For this purpose, the utility model proposes a kind of CFB boiler blast caps easy to assemble comprising have wind bar and cover at the wind
The blast cap cover of bar upper end is equipped with a boss on the lateral surface of the wind bar, and the lower port of the blast cap cover is placed in institute
It states on boss, and is connected between the boss by a buckle structure；
Wherein, the first air holes and the second air holes are offered on the side wall of the blast cap cover and the wind bar, between the two
It is formed with an airflow channel, each first air holes and the second air holes are connected with the airflow channel.
CFB boiler blast cap easy to assemble as described above, wherein the buckle structure include card slot and with the card slot phase
Corresponding shackle member, the card slot is recessed on the lateral surface of the blast cap cover, and the upper end of the shackle member is embedded at described
In card slot, lower end is connected on the bottom surface of the boss.
CFB boiler blast cap easy to assemble as described above, wherein the card slot it is recessed along the radial direction of the blast cap cover and
At the shackle member includes a upright bar portion, and the upper end and its lower end in the upright bar portion have been correspondingly formed a card convex portion and a grab
Portion, the card convex portion are embedded in the card slot, and the corresponding bottom surface with the boss of the pothook is mutually clamped.
CFB boiler as described above blast cap easy to assemble, wherein the card convex portion is a cylinder placed in the horizontal direction
Cross bar, is connected to the upper end in the upright bar portion, and the pothook is a U-shaped structure, the bottom surface phase of inner end and the boss
It abuts, outer end is connected with the lower end in the upright bar portion；
Extended to form axial valley towards the lower end of the blast cap cover at the slot bottom of the card slot, the axial valley with
The shackle member is engaged by clamping.
CFB boiler as described above blast cap easy to assemble, wherein the card slot is adjacent under the air holes of the blast cap cover
Side, and close to the lower port of the blast cap cover.
CFB boiler as described above blast cap easy to assemble, wherein the upper end in the card convex portion and the upright bar portion is mutually welded,
The pothook is integrally formed with the upright bar portion.
CFB boiler blast cap easy to assemble as described above, wherein the buckle structure include multiple card slots and with each institute
The corresponding shackle member of pocket numbers is stated, each card slot is uniformly distributed along the circumferential direction of the blast cap cover.
CFB boiler as described above blast cap easy to assemble, wherein a supporting plate is additionally provided on the lateral surface of the wind bar, it is described
The lower end of wind bar is plugged in air distribution plate, and is placed on the air distribution plate by the supporting plate.The utility model proposes CFB pot
Furnace blast cap easy to assemble, by the way that boss is arranged on the wind bar, and in recessed card slot on the blast cap cover, when blast cap cover cover
When set on the wind bar and being placed on boss, the upper end of shackle member is embedded in the card slot, lower end is connected in described
On the bottom surface of boss, blast cap cover can be fixed on the wind bar, make the close connection of the two；When need to dismantle blast cap cover with
When wind bar, it is only necessary to rotate outward the lower end of shackle member and above mention, it can be seen that, the utility model is convenient for disassembly and assembly, uses
Reliably.The utility model reduces erecting and welding project amount as a result, the expense of castable when reducing the maintenance replacement of blast cap cover
With reducing the abrasion of blast cap cover and fall off and cause the risk of air compartment dust stratification, improve unit general safety performance, overcome existing skill
The deficiency of art.
Detailed description of the invention
Following drawings are only intended to schematically illustrate and explain the present invention, does not limit the model of the utility model
It encloses.Wherein:
Fig. 1 is the wind bar of the utility model and the assembled state schematic diagram of blast cap cover.
Fig. 2 is the main view of shackle member in the utility model.
Fig. 3 is the side view of shackle member in the utility model.
Main element label declaration:
1, wind bar；11, boss；12, the first air holes；13, supporting plate；2, blast cap cover；21, the second air holes；22, card slot；
221, axial valley；3, shackle member；31, upright bar portion；32, card convex portion；33, pothook；4, air distribution plate；H, airflow channel.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now compareing Detailed description of the invention
Specific embodiment of the present utility model:
Fig. 1 is the wind bar of the utility model and the assembled state schematic diagram of blast cap cover.Fig. 2 is to block in the utility model
The main view of fitting.Fig. 3 is the side view of shackle member in the utility model.
As shown in Figure 1, the utility model proposes CFB boiler blast cap easy to assemble, include wind bar 1 and cover at described
The blast cap cover 2 of 1 upper end of wind bar is equipped with a boss 11, the lower port of the blast cap cover 2 on the lateral surface of the wind bar 1
It is placed on the boss 11, and is connected between the boss 11 by a buckle structure；
Wherein, the first air holes 12 and the second air holes 21 are offered on the side wall of the wind bar 1 and the blast cap cover 2, two
An airflow channel H is formed between person, each first air holes 12 and the second air holes 21 are connected with the airflow channel H.?
It is saved when in the utility model, being connected between the wind bar 1 and blast cap cover 2 by buckle structure, be easily assembled, and dismounted
Power material-saving.
Wherein, the buckle structure includes card slot 22 and shackle member 3 corresponding with the card slot, and the card slot 22 is recessed
On the lateral surface of the blast cap cover 2, the upper end of the shackle member 3 is embedded in the card slot 22, and lower end is connected in
On the bottom surface of the boss 11.
Please also refer to shown in Fig. 2, Fig. 3, the card slot 22 along the blast cap cover 2 radial direction it is recessed form, the card
Fitting 3 includes a upright bar portion 31, and the upper end and lower end in the upright bar portion 31 have been correspondingly formed a card convex portion 32 and a pothook 33,
So that the shackle member is an approximate J-shaped structure, the card convex portion 32 is embedded in the card slot 22, and the pothook 33 is corresponding
It is mutually clamped with the bottom surface of the boss 11.
Preferably, the card convex portion 32 is a cylindrical crossbar placed in the horizontal direction, it is connected to the upright bar portion
31 upper end, the pothook 33 are a U-shaped structure, and inner end and the bottom surface of the boss 11 abut against, outer end with it is described
The lower end in upright bar portion 31 is connected；
Axial valley 221 further has been extended to form towards the lower end of the blast cap cover at the slot bottom of the card slot 22, with
Make the one approximation G shape structure of section of the card slot 22, to be mutually engaged by clamping with the shackle member of approximate J-shaped structure.
Further, the card slot 22 adjacent to the blast cap cover 2 the downside of air holes 21, and close to the blast cap cover
2 lower port, in order to be connected with group with wind bar 1 and shackle member 3.In specific manufacture, the preferably described card convex portion 32 is stood with described
The upper end of bar portion 31 is mutually welded, and the pothook 33 is integrally formed with the upright bar portion 31.
In order to improve the reliability when wind bar 1 connects with 2 groups of blast cap cover, the buckle structure includes multiple card slots
22 and the shackle member 3 corresponding with each 22 quantity of card slot, circumferential direction of each card slot 22 along the blast cap cover
It is uniformly distributed, to enhance the tight type that the wind bar 1 and blast cap cover 2 connect.
In addition, being additionally provided with a supporting plate 13 on the lateral surface of the wind bar 1, the lower end of the wind bar 1 is plugged in air distribution plate 4,
And it is placed on the air distribution plate 4 by the supporting plate.
The utility model proposes CFB boiler blast cap easy to assemble, by the way that boss is arranged on the wind bar, and in the wind
The upper end of shackle member is embedded by recessed card slot on calotte when blast cap cover covers at the wind bar and is placed on boss
In in the card slot, lower end is connected on the bottom surface of the boss, can be fixed on blast cap cover on the wind bar, be made two
Person closely connects；When blast cap cover and wind bar need to be dismantled, it is only necessary to rotate outward the lower end of shackle member and above mention, thus
As it can be seen that the utility model is convenient for disassembly and assembly, using reliable, the deficiencies in the prior art are overcome.
The above descriptions are merely exemplary embodiments of the present utility model, the model being not intended to limit the utility model
It encloses.Any those skilled in the art, made equivalent variations under the premise of not departing from the conceptions and principles of the utility model
With modification, the range of the utility model protection should belong to.
Claims (6)
1. a kind of CFB boiler blast cap easy to assemble, which is characterized in that the CFB boiler blast cap easy to assemble includes wind bar and cover
Blast cap cover set on wind bar upper end is equipped with a boss, the lower end of the blast cap cover on the lateral surface of the wind bar
Mouth is placed on the boss, and is connected between the boss by a buckle structure；
Wherein, the first air holes and the second air holes are offered on the side wall of the blast cap cover and the wind bar, is formed between the two
There is an airflow channel, each first air holes and the second air holes are connected with the airflow channel；
The buckle structure includes card slot and shackle member corresponding with the card slot, and the card slot is recessed in the blast cap cover
On the lateral surface of son, the upper end of the shackle member is embedded in the card slot, and lower end is connected on the bottom surface of the boss；
The card slot along the blast cap cover radial direction it is recessed form, the shackle member include a upright bar portion, the upright bar portion
Upper end and its lower end have been correspondingly formed a card convex portion and a pothook, and the card convex portion is embedded in the card slot, the grab
The corresponding bottom surface with the boss in portion is mutually clamped.
2. CFB boiler blast cap easy to assemble as described in claim 1, which is characterized in that the card convex portion is one in the horizontal direction
The cylindrical crossbar of placement, is connected to the upper end in the upright bar portion, and the pothook is a U-shaped structure, inner end with it is described
The bottom surface of boss abuts against, and outer end is connected with the lower end in the upright bar portion；
Extended to form axial valley towards the lower end of the blast cap cover at the slot bottom of the card slot, the axial valley with it is described
Shackle member is engaged by clamping.
3. CFB boiler blast cap easy to assemble as claimed in claim 2, which is characterized in that the card slot is adjacent to the blast cap cover
On the downside of the air holes of son, and close to the lower port of the blast cap cover.
4. CFB boiler blast cap easy to assemble as claimed in claim 3, which is characterized in that the card convex portion and the upright bar portion
Upper end is mutually welded, and the pothook is integrally formed with the upright bar portion.
5. CFB boiler blast cap easy to assemble according to any one of claims 1 to 4, which is characterized in that the buckle structure packet
Multiple card slots and the shackle member corresponding with each pocket numbers are included, each card slot is along the blast cap cover
It is circumferential uniformly distributed.
6. CFB boiler blast cap easy to assemble as described in claim 1, which is characterized in that be additionally provided on the lateral surface of the wind bar
One supporting plate, the lower end of the wind bar is plugged in air distribution plate, and is placed on the air distribution plate by the supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821055258.1U CN208952083U (en) | 2018-07-04 | 2018-07-04 | A kind of CFB boiler blast cap easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821055258.1U CN208952083U (en) | 2018-07-04 | 2018-07-04 | A kind of CFB boiler blast cap easy to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208952083U true CN208952083U (en) | 2019-06-07 |
Family
ID=66731625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821055258.1U Expired - Fee Related CN208952083U (en) | 2018-07-04 | 2018-07-04 | A kind of CFB boiler blast cap easy to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208952083U (en) |
-
2018
- 2018-07-04 CN CN201821055258.1U patent/CN208952083U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190607 |