CN204404146U - Diadactic structure corner tube type pulverized-coal fired boiler - Google Patents
Diadactic structure corner tube type pulverized-coal fired boiler Download PDFInfo
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- CN204404146U CN204404146U CN201420850196.9U CN201420850196U CN204404146U CN 204404146 U CN204404146 U CN 204404146U CN 201420850196 U CN201420850196 U CN 201420850196U CN 204404146 U CN204404146 U CN 204404146U
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- boiler
- water pipe
- fire tube
- coal fired
- burner hearth
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Abstract
The utility model discloses a kind of diadactic structure corner tube type pulverized-coal fired boiler, belong to industrial boiler field.Comprise burner, boiler circuit, economizer, air preheater and burner hearth, boiler circuit comprises water pipe structure and fire tube structure, water pipe structure comprise fin panel casing assembly, boiler communicating pipe assembly, upper drum, water pipe high temp flue, fire tube structure comprises fire tube shell boiler, and fire tube shell boiler is communicated with burner hearth by water pipe high temp flue.The advantages such as the utility model has compact overall structure, and fuel tolerance is good, flameholding, and convection heating surface is dust stratification not easily, good airproof performance, and the low and safe water circulation of steel consumption is reliable.
Description
Technical field
The utility model belongs to a kind of industrial boiler, specifically, particularly relates to a kind of diadactic structure corner tube type pulverized-coal fired boiler.
Background technology
Along with the develop rapidly of China's economy, energy-conserving and environment-protective require increasingly strict, and high effect cleaning combustion industry pulverized-coal fired boiler technology has unique advantage in economize energy and environmental protection.In recent years, China made a breakthrough at industrial coal powder boiler applied technical field.Researcher has developed the industrial coal powder boiler technology of multiple pattern, as pan shell type fire tube pulverized-coal fired boiler, fast-assembling D type water pipe pulverized-coal fired boiler and vertical pulverized-coal fired boiler etc., and is applied in engineering practice.But due to the restriction of coal burner adaptability and boiler structure, there is many limitation in existing coal dust technology, the problem of as bad in combustion apparatus bad adaptability, operation stability, convection heating surface dust stratification and sealing difference.Requirement particularly along with social energy conservation and environmental protection is more and more higher, and the development prospect of industrial coal powder boiler is good, and pulverized-coal fired boiler Stable Combustion Technology and reliability service more become the emphasis of industrial coal powder boiler technological break-through.
Utility model content
The utility model object is to provide a kind of diadactic structure corner tube type pulverized-coal fired boiler, to overcome the defect of industrial coal powder boiler burner hearth bad adaptability, convection heating surface dust stratification and sealing difference in prior art.
The utility model realizes by the following technical solutions:
A kind of diadactic structure corner tube type pulverized-coal fired boiler, comprise burner, boiler circuit, economizer, air preheater and burner hearth, boiler circuit comprises water pipe structure and fire tube structure, water pipe structure comprise fin panel casing assembly, boiler communicating pipe assembly, upper drum, water pipe high temp flue, fire tube structure comprises fire tube shell boiler, and fire tube shell boiler is communicated with burner hearth by water pipe high temp flue.
Four major diameter down-comers are arranged in water pipe structure part corner.
Diadactic structure corner tube type pulverized-coal fired boiler adopts horizontal type structure, and burner is horizontally set on the front portion of burner hearth.
Compared with prior art, the beneficial effects of the utility model are: the utility model has compact overall structure, and fuel tolerance is good, flameholding, convection heating surface is dust stratification not easily, good airproof performance, the advantages such as the low and safe water circulation of steel consumption is reliable, specifically, the utility model is equipped with the after-flame that high-temperature flue gas pipeline ensure that coal dust, good airproof performance, convection heating surface flue gas flow rate is high, and ash content is all taken away by flue gas; Meanwhile, this boiler combines cornue technology, makes it have the advantage of compact conformation, distinct characteristics.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present utility model;
Fig. 2 is left TV structure schematic diagram of the present utility model.
In figure, 1, burner; 2, boiler circuit; 3, economizer; 4, air preheater; 5, burner hearth; 6, fin panel casing assembly; 7, boiler communicating pipe assembly; 8, upper drum; 9, water pipe high temp flue; 10, fire tube shell boiler.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, a kind of diadactic structure corner tube type pulverized-coal fired boiler, comprise burner 1, boiler circuit 2, economizer 3, air preheater 4 and burner hearth 5, boiler circuit 2 comprises water pipe structure and fire tube structure, water pipe structure comprise fin panel casing assembly 6, boiler communicating pipe assembly 7, upper drum 8 and water pipe high temp flue 9, fin panel casing assembly 6 forms burner hearth 5, and fire tube structure comprises fire tube shell boiler 10, and fire tube shell boiler 10 is communicated with burner hearth 5 by water pipe high temp flue 9.The size of the utility model burner hearth 5 can carry out design modifying according to the characteristic of boiler design parameter and burner, is equipped with the after-flame that water pipe high temp flue 9 ensure that coal dust, good airproof performance simultaneously.
The utility model adopts horizontal type structure, and it is anterior that burner 1 is arranged at burner hearth 5.
The utility model also combines cornue technology, and four major diameter down-comers are arranged in water pipe structure part corner, connects the lower header of upper drum 8 and fin panel casing assembly 6.
Operation principle of the present utility model: burner hearth 5 flue gas turns to through water pipe high temp flue 9 and enters fire tube shell boiler 10, fire tube shell boiler 10 forms Boiler Convection Heating Surface, convection heating surface flue gas flow rate is high, ash content is all taken away by flue gas, then, flue gas and economizer 3 and air preheater 4 heat exchange.
Claims (3)
1. a diadactic structure corner tube type pulverized-coal fired boiler, comprise burner (1), boiler circuit (2), economizer (3), air preheater (4) and burner hearth (5), it is characterized in that: described boiler circuit (2) comprises water pipe structure and fire tube structure, described water pipe structure comprises fin panel casing assembly (6), boiler communicating pipe assembly (7), upper drum (8) and water pipe high temp flue (9), described fire tube structure comprises fire tube shell boiler (10), described fire tube shell boiler (10) is communicated with burner hearth (5) by water pipe high temp flue (9).
2. diadactic structure corner tube type pulverized-coal fired boiler according to claim 1, is characterized in that: described water pipe structure corner is provided with four major diameter down-comers.
3. diadactic structure corner tube type pulverized-coal fired boiler according to claim 2, is characterized in that: described diadactic structure corner tube type pulverized-coal fired boiler adopts horizontal type structure, and burner (1) is horizontally set on the front portion of burner hearth (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850196.9U CN204404146U (en) | 2014-12-26 | 2014-12-26 | Diadactic structure corner tube type pulverized-coal fired boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850196.9U CN204404146U (en) | 2014-12-26 | 2014-12-26 | Diadactic structure corner tube type pulverized-coal fired boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204404146U true CN204404146U (en) | 2015-06-17 |
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ID=53427998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420850196.9U Expired - Fee Related CN204404146U (en) | 2014-12-26 | 2014-12-26 | Diadactic structure corner tube type pulverized-coal fired boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204404146U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588100A (en) * | 2016-03-02 | 2016-05-18 | 煤炭科学技术研究院有限公司 | Full-film type wall water-fire tube boiler |
-
2014
- 2014-12-26 CN CN201420850196.9U patent/CN204404146U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105588100A (en) * | 2016-03-02 | 2016-05-18 | 煤炭科学技术研究院有限公司 | Full-film type wall water-fire tube boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20181226 |