CN203464264U - Center cylinder structure for circulation fluidized bed boiler - Google Patents
Center cylinder structure for circulation fluidized bed boiler Download PDFInfo
- Publication number
- CN203464264U CN203464264U CN201320549227.2U CN201320549227U CN203464264U CN 203464264 U CN203464264 U CN 203464264U CN 201320549227 U CN201320549227 U CN 201320549227U CN 203464264 U CN203464264 U CN 203464264U
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- CN
- China
- Prior art keywords
- center cylinder
- central tube
- fluidized bed
- bed boiler
- circulation fluidized
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- 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 - Lifetime
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Abstract
The utility model provides a center cylinder structure for a circulation fluidized bed boiler. The center cylinder structure for the circulation fluidized bed boiler acts stably under the external force effect, cannot be deformed easily, can guarantee the rigidity of a center cylinder body; during the running of the boiler, the cylinder body cannot be deformed, and the hanging is stable and reliable. The center cylinder structure for the circulation fluidized bed boiler comprises a center cylinder and a hanging structure, wherein the center cylinder is installed in the boiler through the hanging structure at the upper part. The center cylinder structure for the circulation fluidized bed boiler is characterized in that the center cylinder particularly is of a cone frustum structure which is closed inward from top to bottom; the outer cone surface at the upper part of the cone frustum structure is tightly close to the inner surface supported to the hanging structure, and the center cylinder in the overlook state is of a cylindrical structure.
Description
Technical field
The utility model relates to the technical field of structures of boiler, is specially a kind of central tube structure for CFBB.
Background technology
Existing CFBB adopts cylindrical center barrel structure form, see Fig. 1, Fig. 2, this installs in boiler running process in high temperature, negative pressure state, high temperature makes Strength of Metallic Materials deliquescing, long-term negative pressure makes cylinder lower end slowly produce distortion, can occur sharply to change after distortion acquires a certain degree.Central tube hang the surrounding that is in cylindrical shell top edge, the upright projection of cylindrical shell is a circle, it shows erecting by overhang easy unstability and deforming when central tube cross section is subject to External Force Acting.Two above aspects can cause central tube to lose efficacy, and boiler can not set up the outer circulation of material and forced blowing out, affects boiler safety stable operation.
Summary of the invention
For the problems referred to above, the utility model provides a kind of central tube structure for CFBB, when it is subject to External Force Acting, its performance is very firm, can not deform easily, can guarantee self rigidity of central tube cylindrical shell, in boiler operatiopn, cylindrical shell can not be out of shape, and hangs more solid and reliable.
A kind of central tube structure for CFBB, its technical scheme is such: it comprises central tube, hanging structure, described central tube is installed on boiler internal by the described hanging structure on top, it is characterized in that: described central tube is specially the circular cone structure inwardly closing up from top to bottom, the male cone (strobilus masculinus) on the top of described circular cone structure is close to the inner face that is supported on described hanging structure, and the described central tube of overlooking under state is circular ring.
It is further characterized in that: the bottom of described circular cone structure is gas approach, and the top of described circular cone structure is exhanst gas outlet.
Adopt after structure of the present utility model, because central tube is specially the circular cone structure inwardly closing up from top to bottom, the male cone (strobilus masculinus) on the top of circular cone structure is close to the inner face that is supported on hanging structure, the central tube of overlooking under state is circular ring, owing to adopting circular cone structure, its upright projection that makes cylindrical shell is toroidal, when annulus is subject to External Force Acting, its performance is very firm, can not deform easily, therefore this truncated cone structure can guarantee self rigidity of central tube cylindrical shell, in boiler operatiopn, cylindrical shell can not be out of shape, and hang more solid and reliable.
Accompanying drawing explanation
Fig. 1 is the front view structural representation of prior art;
Fig. 2 is the top view structural representation of Fig. 1;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is the top view structural representation of Fig. 3.
The specific embodiment
See Fig. 3, Fig. 4, it comprises central tube 1, hanging structure 2, central tube 1 is installed on boiler internal by the hanging structure 2 on top, central tube 1 is specially the circular cone structure inwardly closing up from top to bottom, the male cone (strobilus masculinus) on the top of circular cone structure is close to the inner face that is supported on hanging structure 2, the central tube 1 of overlooking under state is circular ring, and the bottom of circular cone structure is gas approach 3, and the top of circular cone structure is exhanst gas outlet 4.
Claims (2)
1. the central tube structure for CFBB, it comprises central tube, hanging structure, described central tube is installed on boiler internal by the described hanging structure on top, it is characterized in that: described central tube is specially the circular cone structure inwardly closing up from top to bottom, the male cone (strobilus masculinus) on the top of described circular cone structure is close to the inner face that is supported on described hanging structure, and the described central tube of overlooking under state is circular ring.
2. a kind of central tube structure for CFBB according to claim 1, is characterized in that: the bottom of described circular cone structure is gas approach, and the top of described circular cone structure is exhanst gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549227.2U CN203464264U (en) | 2013-09-05 | 2013-09-05 | Center cylinder structure for circulation fluidized bed boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549227.2U CN203464264U (en) | 2013-09-05 | 2013-09-05 | Center cylinder structure for circulation fluidized bed boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203464264U true CN203464264U (en) | 2014-03-05 |
Family
ID=50176628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549227.2U Expired - Lifetime CN203464264U (en) | 2013-09-05 | 2013-09-05 | Center cylinder structure for circulation fluidized bed boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203464264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453523A (en) * | 2013-09-05 | 2013-12-18 | 无锡华光锅炉股份有限公司 | Center cylinder structure for circulating fluidized bed boiler |
-
2013
- 2013-09-05 CN CN201320549227.2U patent/CN203464264U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453523A (en) * | 2013-09-05 | 2013-12-18 | 无锡华光锅炉股份有限公司 | Center cylinder structure for circulating fluidized bed boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 214028 No. 3 Chengnan Road, new Wu District, Jiangsu, Wuxi Patentee after: Wuxi Huaguang Environmental Protection Energy Group Co.,Ltd. Address before: 214028 No. 3 Chengnan Road, New District, Jiangsu, Wuxi Patentee before: WUXI HUAGUANG BOILER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140305 |