CN217274217U - CFB boiler flue gas and air pipeline ash collecting device - Google Patents
CFB boiler flue gas and air pipeline ash collecting device Download PDFInfo
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- CN217274217U CN217274217U CN202220866272.XU CN202220866272U CN217274217U CN 217274217 U CN217274217 U CN 217274217U CN 202220866272 U CN202220866272 U CN 202220866272U CN 217274217 U CN217274217 U CN 217274217U
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- flue gas
- ash
- pipeline
- ash collecting
- cfb boiler
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model discloses an ash collecting device for a smoke and air pipeline of a CFB boiler, which is provided with an ash collecting hopper (2), wherein the ash collecting hopper (2) is arranged at the bottom of the smoke and air pipeline of the CFB boiler (1); the upper part of the ash collecting hopper (2) is provided with a flue gas inlet (6) which is connected with a flue gas pipeline of the CFB boiler (1); the conical bottom of the ash collecting hopper (2) is provided with an ash discharging opening (7). Adopt above-mentioned technical scheme, raise boiler outlet elevation, the extension is received 2 bottom ash buckets of ash device and is received ash device exhanst gas outlet's distance in the bottom, and the increase dust subsides the space, reduces the dust rate of gas and wind, guarantees to receive ash efficiency.
Description
Technical Field
The utility model belongs to the technical field of the boiler production environmental protection, relate to, more specifically say, the utility model relates to a CFB boiler flue gas wind pipeline receives grey device.
Background
The dust content at the outlet of the CFB boiler is high, and the dust accumulation of a horizontal pipeline at the outlet is serious. The pipeline load is large due to dust deposition, the flow area of the pipeline is reduced, the pressure loss is increased, and the pipe wall is abraded due to the increase of the wind speed; the long-term dust deposition influences the normal operation of the system.
However, in the prior art, no good solution exists, which leads to the reduction of the thermal efficiency of the system and even the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model provides a CFB boiler flue gas and air duct receives grey device, its purpose is the improvement and is received grey efficiency.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
the utility model discloses a CFB boiler flue gas and air pipeline ash collecting device, which is provided with an ash collecting hopper; the ash collecting hopper is arranged at the bottom of a flue gas pipeline of the CFB boiler.
The upper part of the ash collecting hopper is a flue gas inlet which is connected with a flue gas and air pipeline of the CFB boiler; the conical bottom of the ash collecting hopper is provided with an ash discharging opening.
And a gate valve is arranged at the outlet of the ash discharge port.
The side surface of the upper part of the ash collecting hopper is provided with a flue gas outlet; the smoke outlet is connected with a horizontal smoke pipeline.
And the horizontal flue gas pipeline is provided with an expansion joint.
The outlet of the horizontal flue gas pipeline is communicated with the vertical smoke exhaust pipeline; the upper part of the vertical smoke exhaust pipeline is bent to form a pipeline in the horizontal direction, and a dust collector is arranged at a smoke exhaust port of the vertical smoke exhaust pipeline.
The above technical scheme is adopted in the utility model, raise boiler outlet elevation, the extension is received ash device 2 bottoms ash bucket bottoms and is received ash device exhanst gas outlet's distance, and the increase dust subsides the space, reduces the dust rate of cigarette wind, guarantees to receive grey efficiency.
Drawings
The contents of the drawings and the reference numbers in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the ash collecting device in FIG. 1;
fig. 3 is a schematic view of direction a in fig. 2.
Labeled as:
1. the system comprises a CFB boiler, 2, an ash collecting hopper, 3, a gate valve, 4, an expansion joint, 5, a dust collector, 6, a flue gas inlet, 7, an ash discharging opening, 8, a flue gas outlet, 9, a horizontal flue gas pipeline and 10, a vertical smoke exhaust pipeline.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a more complete, accurate and thorough understanding of the inventive concept and technical solutions of the present invention by those skilled in the art.
As shown in figure 1, the structure of the utility model is a dust collecting device of a smoke and air pipeline of a CFB boiler, and is provided with a dust collecting hopper 2.
In order to solve the problems existing in the prior art and overcome the defects thereof, the invention aims to improve the ash collecting efficiency, the utility model discloses the technical scheme who takes is:
as shown in FIG. 1 to FIG. 3, the utility model discloses a CFB boiler flue gas and air pipe way ash collecting device, ash collecting hopper 2 set up the bottom at CFB boiler 1 flue gas and air pipe way.
The upper part of the ash collecting hopper 2 is provided with a flue gas inlet 6 which is connected with a flue gas and air pipeline of the CFB boiler 1; the conical bottom of the ash collecting hopper 2 is provided with an ash discharging opening 7.
The ash device is received to 1 export of CFB boiler addd cigarette wind pipeline bottom, raises boiler outlet elevation, and the distance of ash device exhanst gas outlet is received to extension ash collecting device bottom ash bucket bottom, and the space is subsided to the increase dust, reduces the dust rate of cigarette wind, guarantees to receive grey efficiency.
And a gate valve 3 is arranged at the outlet of the ash discharge port 7.
The bottom of the ash collecting hopper 2 is provided with a gate valve 3, and the bottom is periodically treated by a zipper machine or a trolley after ash is discharged.
A flue gas outlet 8 is arranged on the side surface of the upper part of the ash collecting hopper 2; the flue gas outlet 8 is connected with a horizontal flue gas pipeline 9.
The pipeline outlet is arranged at the middle upper part of the dust collecting device, dust is deposited at the position of a dust hopper at the lower part of the dust collecting device, the smoke and air dust content of the pipeline at the horizontal section is reduced, and dust accumulation is prevented.
And the horizontal flue gas pipeline 9 is provided with an expansion joint 4.
After the expansion joint 4 is arranged, firstly, the installation is convenient, and when a certain error exists in the pipeline, the installation can still be carried out through proper adjustment; secondly, in the operation process, the pipeline can generate certain deformation due to the influence of high temperature, and the expansion joint 4 is prevented from being damaged due to the flexible action.
The outlet of the horizontal flue gas pipeline 9 is communicated with a vertical smoke exhaust pipeline 10; the upper part of the vertical smoke exhaust pipeline 10 is bent to form a pipeline in the horizontal direction, and a dust collector 5 is arranged at a smoke exhaust port of the vertical smoke exhaust pipeline.
The vertical smoke exhaust pipeline 10 is equivalent to a chimney, and the dust amount of the discharged smoke is greatly reduced through the dust collector 5.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (3)
1. The utility model provides a CFB boiler flue gas and air duct receives grey device, sets up and receives grey hopper (2), its characterized in that: the ash collecting hopper (2) is arranged at the bottom of a smoke and air pipeline of the CFB boiler (1);
the upper part of the ash collecting hopper (2) is provided with a flue gas inlet (6) which is connected with a flue gas and air pipeline of the CFB boiler (1); the conical bottom of the ash collecting hopper (2) is provided with an ash discharging opening (7);
a flue gas outlet (8) is arranged on the side surface of the upper part of the ash collecting hopper (2); the flue gas outlet (8) is connected with a horizontal flue gas pipeline (9);
the outlet of the horizontal flue gas pipeline (9) is communicated with the vertical smoke exhaust pipeline (10); the upper part of the vertical smoke exhaust pipeline (10) is bent to form a pipeline in the horizontal direction, and a dust collector (5) is arranged at a smoke exhaust port of the vertical smoke exhaust pipeline.
2. The CFB boiler flue gas duct ash collecting device according to claim 1, wherein: and a gate valve (3) is arranged at the outlet of the ash discharge port (7).
3. The CFB boiler flue gas duct ash collecting device according to claim 1, wherein: and the horizontal flue gas pipeline (9) is provided with an expansion joint (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220866272.XU CN217274217U (en) | 2022-04-14 | 2022-04-14 | CFB boiler flue gas and air pipeline ash collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220866272.XU CN217274217U (en) | 2022-04-14 | 2022-04-14 | CFB boiler flue gas and air pipeline ash collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217274217U true CN217274217U (en) | 2022-08-23 |
Family
ID=82877130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220866272.XU Active CN217274217U (en) | 2022-04-14 | 2022-04-14 | CFB boiler flue gas and air pipeline ash collecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217274217U (en) |
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2022
- 2022-04-14 CN CN202220866272.XU patent/CN217274217U/en active Active
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