CN201606894U - Connecting air channel structure of tubular type air preheater - Google Patents
Connecting air channel structure of tubular type air preheater Download PDFInfo
- Publication number
- CN201606894U CN201606894U CN2009202861122U CN200920286112U CN201606894U CN 201606894 U CN201606894 U CN 201606894U CN 2009202861122 U CN2009202861122 U CN 2009202861122U CN 200920286112 U CN200920286112 U CN 200920286112U CN 201606894 U CN201606894 U CN 201606894U
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- CN
- China
- Prior art keywords
- wall plate
- wallboard
- air preheater
- channel structure
- rear wall
- 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 - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The technical scheme of the utility model is to provide a connecting air channel structure of a tubular type air preheater which is characterized by consisting of a top wall plate, a front wall plate, a side wall plate, a back wall plate, an upper oblique panel, a bottom wall plate and a lower oblique panel; the top wall plate is respectively connected with the upper end straight lines of the front wall plate and the back wall plate; the upper oblique panel is respectively connected with the upper end oblique lines of the front wall plate and the back wall plate; the bottom wall plate is respectively connected with the lower end straight lines of the front wall plate and the back wall plate; the lower oblique panel is respectively connected with the lower end oblique lines of the front wall plate and the back wall plate; the side wall plate is respectively connected with one sides of the front wall plate and the back wall plate; groined reinforcing parts are arranged on the front wall plate and the back wall plate; and guide plates are arranged between the front wall plate and the back wall plate. The connecting air channel structure of tubular type air preheater has the advantages that the tubular type air preheater does not generate larger vortex, has small resistance loss and reduces vibration.
Description
Technical field
The utility model relates to a kind of connection air channel structure of tubular air preheater, relates in particular to the connection air channel structure of the tubular air preheater of a kind of suitable CFBB (CFB), belongs to the CFBB technical field.
Background technology
Tubular air preheater also has very big use value in the low capacity boiler, and tubular air preheater is arranged in the back of boiler back end ductwork, is used for the heat exchange of high-temperature flue gas and Cryogenic air, reclaims the heat of high-temperature flue gas, thereby improves the thermal efficiency of boiler.
Tubular air preheater also has very big use value in the low capacity boiler.Tubular air preheater is arranged in the back of boiler back end ductwork, is used for the heat exchange of high-temperature flue gas and Cryogenic air, reclaims the heat of high-temperature flue gas, thereby improves the thermal efficiency of boiler.
Tubular preheater can be divided into vertical and horizontal two kinds of arrangements, but no matter the sort of arrangement, it all is made of several sections such as bobbin carriage, support, connection air channels.
This connection air channel is rectangular in the prior art, is unfavorable for that air flows in the pipe of preheater uniformly, easily produces eddy current at angle end place, causes local resistance loss to reach, and easily causes vibrations.
Summary of the invention
The purpose of this utility model provides a kind of the generation than maelstrom, and drag losses is little, the connection air channel structure of the tubular air preheater that reduces to shake.
For realizing above purpose, the technical solution of the utility model provides a kind of connection air channel structure of tubular air preheater, it is characterized in that, by the crown wall plate, front wallboard, framed side wallboard, rear wall plate, ramp plate and end wallboard and declivity panel are formed, the crown wall plate is connected with the upper end straight line of front wallboard and rear wall plate respectively, the ramp plate is connected with the upper end oblique line of front wallboard and rear wall plate respectively, end wallboard is connected with the lower end straight line of front wallboard and rear wall plate respectively, the declivity panel is connected with the lower end oblique line of front wallboard and rear wall plate respectively, framed side wallboard is connected with a side of front wallboard and rear wall plate respectively, on front wallboard and rear wall plate, be provided with " well " font reinforcement, between front wallboard and rear wall plate, be provided with deflector.
The angle of described ramp plate and declivity panel and crown wall plate and end wallboard be 115 spend to 160 the degree.
The utility model adopts " well " font reinforcement in the front and back wallboard outside, higher intensity and stability can be provided, original air flow turning, right angle, two ends is up and down made into the form of outer top rake, so that air-flow is even, and portion is provided with deflector within it, according to the duct cross-section size, can arrange one or more deflector, to reduce the local resistance loss of corner.
The utility model has the advantages that tubular air preheater does not produce than maelstrom, drag losses is little, reduces vibrations.
Description of drawings
Fig. 1 is a kind of connection air channel structure schematic diagram of tubular air preheater;
Fig. 2 is a kind of connection air channel structure internal structure schematic diagram of tubular air preheater;
Fig. 3 is a kind of tubular air preheater structural representation that uses this connection air channel structure.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As Fig. 1, shown in 2, connection air channel structure schematic diagram for a kind of tubular air preheater, the connection air channel structure of described a kind of tubular air preheater, by crown wall plate 8, front wallboard 9, framed side wallboard 10, rear wall plate 14, ramp plate 12 and end wallboard 13 and declivity panel 15 are formed, crown wall plate 8 is connected with the upper end straight line of front wallboard 9 and rear wall plate 14 respectively, ramp plate 12 is connected with the upper end oblique line of front wallboard 9 and rear wall plate 14 respectively, end wallboard 13 is connected with the lower end straight line of front wallboard 9 and rear wall plate 14 respectively, declivity panel 15 is connected with the lower end oblique line of front wallboard 9 and rear wall plate 14 respectively, framed side wallboard 10 is connected with a side of front wallboard 9 and rear wall plate 14 respectively, on front wallboard 9 and rear wall plate 14, be provided with " well " font reinforcement 7, be provided with at least one deflector 11 between front wallboard 9 and rear wall plate 14, described deflector 11 is L shaped.
The angle of described ramp plate 12 and declivity panel 15 and crown wall plate 8 and end wallboard 13 is 115 to spend to 160 degree.
As shown in Figure 3, be a kind of tubular air preheater structural representation that uses this connection air channel structure, that makes the connection air channel structure 5 of pipe type air preheater of two symmetries and last tubular air preheater is connected air channel structure 6, be installed in the lower end, both sides and the upper end of air preheater respectively, high-temperature flue gas 1 enters in the air preheater, cold air 3 enters in the pipe of air preheater, and enter the connection air channel structure 5 of pipe type air preheater, go back to the air preheater heat exchange, after the connection air channel structure 6 of last tubular air preheater turns back, enter the air preheater heat exchange more then, leave tubular air preheater with hot-air 4 at last.Therebetween outside the pipe of flue gas in air preheater with pipe in the air heat exchange, leave preheater with low-temperature flue gas 2 at last.
Claims (3)
1. the connection air channel structure of a tubular air preheater, it is characterized in that, by crown wall plate (8), front wallboard (9), framed side wallboard (10), rear wall plate (14), ramp plate (12) and end wallboard (13) and declivity panel (15) are formed, crown wall plate (8) is connected with the upper end straight line of front wallboard (9) with rear wall plate (14) respectively, ramp plate (12) is connected with the upper end oblique line of front wallboard (9) with rear wall plate (14) respectively, end wallboard (13) is connected with the lower end straight line of front wallboard (9) with rear wall plate (14) respectively, declivity panel (15) is connected with the lower end oblique line of front wallboard (9) with rear wall plate (14) respectively, framed side wallboard (10) is connected with the side of front wallboard (9) with rear wall plate (14) respectively, on front wallboard (9) and rear wall plate (14), be provided with " well " font reinforcement (7), between front wallboard (9) and rear wall plate (14), be provided with at least one deflector (11).
2. the connection air channel structure of a kind of tubular air preheater according to claim 1 is characterized in that, the angle of described ramp plate (12) and declivity panel (15) and crown wall plate (8) and end wallboard (13) is 115 to spend to 160 and spend.
3. the connection air channel structure of a kind of tubular air preheater according to claim 1 is characterized in that, described deflector (11) is L shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202861122U CN201606894U (en) | 2009-12-23 | 2009-12-23 | Connecting air channel structure of tubular type air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202861122U CN201606894U (en) | 2009-12-23 | 2009-12-23 | Connecting air channel structure of tubular type air preheater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201606894U true CN201606894U (en) | 2010-10-13 |
Family
ID=42951600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202861122U Expired - Lifetime CN201606894U (en) | 2009-12-23 | 2009-12-23 | Connecting air channel structure of tubular type air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201606894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913332A (en) * | 2015-06-30 | 2015-09-16 | 山东旺泰科技有限公司 | Bridging structure of air channel used for combined air preheater |
| CN112099408A (en) * | 2020-09-16 | 2020-12-18 | 广东韶钢松山股份有限公司 | Low vibration noise boiler tail pipe and method for suppressing vibration of boiler tail pipe |
-
2009
- 2009-12-23 CN CN2009202861122U patent/CN201606894U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913332A (en) * | 2015-06-30 | 2015-09-16 | 山东旺泰科技有限公司 | Bridging structure of air channel used for combined air preheater |
| CN112099408A (en) * | 2020-09-16 | 2020-12-18 | 广东韶钢松山股份有限公司 | Low vibration noise boiler tail pipe and method for suppressing vibration of boiler tail pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101013 |