CN1236226C - Anti-wear cowl - Google Patents
Anti-wear cowl Download PDFInfo
- Publication number
- CN1236226C CN1236226C CN 01133628 CN01133628A CN1236226C CN 1236226 C CN1236226 C CN 1236226C CN 01133628 CN01133628 CN 01133628 CN 01133628 A CN01133628 A CN 01133628A CN 1236226 C CN1236226 C CN 1236226C
- Authority
- CN
- China
- Prior art keywords
- cowl
- wind penetration
- wear
- air
- penetration hole
- 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
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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The present invention relates to an important component for a burning device in a circular fluidized bed boiler, particularly to an anti-wear cowl. Subsequently, the anti-wear cowl comprises a wind penetration board, wherein inclined wind penetration holes are evenly distributed on the wind penetration board. Moreover, the inclined direction of each wind penetration hole is the same, and the inclined angle of each wind penetration hole is the same and is about 5DGE to 45DGE. Furthermore, because certain amount of inclined wind penetration holes are evenly distributed on the wind penetration board, the inclined direction of each wind penetration hole is the same, and the inclined angle of each wind penetration hole is the same and is about 5DGE to 45DGE, airflow blown by the anti-wear cowl is parallel to the back of each wind penetration hole, and simultaneously, airflow can not directly blow to the back of each front adjacent wind penetration hole. Thus, the present invention can thoroughly solve the problem that airflow erodes the cowl to result in wearing so that the present invention can extend the service life of the cowl.
Description
Technical field
The present invention relates to a kind of vitals that is applied on the CFBB internal combustion equipment, relate to a kind of anti-wear cowl.
Background technology
Especially in CFBB, blast cap is important composition parts of combustion apparatus, in the boiler that the FICIRC circulating fluidized bed technique of China's introduction nineties in 20th century U.S. CPC International Inc. is produced, blast cap is to be formed by ventilative board, air duct, airduct bond pads, the ventilative board upper punch be pressed with some have identical shaped, equidirectional
The shape air-permeating hole, air communication is crossed air compartment and is come out from air-permeating hole from bottom to top, its direction is basically parallel to air distribution plate, cause material laterally disturbance at a high speed at the boiler furnace emulsion zone, be beneficial to abundant burning and fuel and contact, but this parallel gas flow is easy to blow on the back of the adjacent air-permeating hole in air-flow the place ahead with the abundant mixing of sulphur removal with lime stone, if long-time running, fine particle in the air-flow is easy to damage ventilative board, causes blast cap to leak out, thereby influences the normal operation of boiler.
Summary of the invention
The object of the present invention is to provide a kind of anti-wear cowl, directly blow on the back of adjacent air-permeating hole forwardly to avoid air-flow.
In order to achieve the above object, anti-wear cowl of the present invention is to adopt a kind of anti-wear cowl, comprises ventilative board, and ventilative board is in the blast cap top, evenly is provided with the inclination air-permeating hole on the ventilative board, described air-permeating hole incline direction unanimity, and the inclination angle is identical.
Described air-permeating hole inclination angle is 5 °-45 °.
Owing on ventilative board, evenly be processed with the inclination air-permeating hole of some, air-permeating hole incline direction unanimity, the inclination angle is identical, it is 5 °-45 °, the air-flow that is blown out is parallel with the back of air-permeating hole like this, just can directly not blow on the back of adjacent forwardly air-permeating hole, thoroughly solve airflow scouring and made the blast cap wear problem, thereby prolonged the service life of blast cap.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the vertical view of figure l;
Fig. 3 is the A-A cutaway view of Fig. 2.
The specific embodiment
As Fig. 1, Fig. 2, anti-wear cowl shown in Figure 3, evenly be processed with inclination air-permeating hole 4 on the ventilative board 1, air-permeating hole incline direction unanimity, the inclination angle is identical, be 15 ° (better action all can be played at 5 °-45 ° in the inclination angle), circular ventilative board 1 welds mutually with conical air duct 2, and air duct 2 welds together with airduct 3.In addition, air duct 2 can also be a polygonal pyramid shape, and ventilative board 1 can also be the equilateral polygon of corresponding sides number, repeats no more herein.
Claims (2)
1, a kind of anti-wear cowl comprises ventilative board, it is characterized in that: ventilative board is in the blast cap top, evenly is provided with the inclination air-permeating hole on the ventilative board, described air-permeating hole incline direction unanimity, and the inclination angle is identical.
2, anti-wear cowl according to claim 1 is characterized in that: described air-permeating hole inclination angle is 5 °-45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01133628 CN1236226C (en) | 2001-10-31 | 2001-10-31 | Anti-wear cowl |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01133628 CN1236226C (en) | 2001-10-31 | 2001-10-31 | Anti-wear cowl |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1417519A CN1417519A (en) | 2003-05-14 |
| CN1236226C true CN1236226C (en) | 2006-01-11 |
Family
ID=4671966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01133628 Expired - Fee Related CN1236226C (en) | 2001-10-31 | 2001-10-31 | Anti-wear cowl |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1236226C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881440A (en) * | 2010-07-15 | 2010-11-10 | 西安热工研究院有限公司 | Annular constant-current hood |
| WO2013020360A1 (en) * | 2011-08-05 | 2013-02-14 | 江西江联能源环保股份有限公司 | Differential-velocity multi-cyclone conical-bed air distribution structure |
-
2001
- 2001-10-31 CN CN 01133628 patent/CN1236226C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881440A (en) * | 2010-07-15 | 2010-11-10 | 西安热工研究院有限公司 | Annular constant-current hood |
| WO2013020360A1 (en) * | 2011-08-05 | 2013-02-14 | 江西江联能源环保股份有限公司 | Differential-velocity multi-cyclone conical-bed air distribution structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1417519A (en) | 2003-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060111 Termination date: 20111031 |