CN205026656U - Device for preventing separator level flue deposition - Google Patents
Device for preventing separator level flue deposition Download PDFInfo
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- CN205026656U CN205026656U CN201520714545.9U CN201520714545U CN205026656U CN 205026656 U CN205026656 U CN 205026656U CN 201520714545 U CN201520714545 U CN 201520714545U CN 205026656 U CN205026656 U CN 205026656U
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- separator
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- blows
- grey nozzle
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Abstract
The utility model provides a device for preventing separator level flue deposition, including the circulating fluidized bed boiler, export at the circulating fluidized bed boiler is connected with corresponding separator respectively through the horizontal gas pass more than two side by side, set up the first grey nozzle that blows in every horizontal gas pass bottom, it blows grey nozzle to set up the second at every horizontal gas pass lateral part, first grey nozzle and the second of blowing blows grey nozzle respectively through first lateral conduit, the second lateral conduit with blow grey air supply and connect, it comes from and uses mixedly compressed air or low pressure steam to blow grey air supply, blow grey nozzle and the second blows grey nozzle through first, sweep in succession the deposition, it can be carried the entering separator by the flue gas to sweep the levitate ash grain in back, thereby prevent the emergence of the deposition condition, guarantee the normal operating of separator, the utility model provides high boiler efficiency, reduce energy consumption alleviates environmental pollution.
Description
Technical field
The utility model relates to Sector of Cfb Boilers, is specifically related to a kind of device preventing separator level dust deposit in flue.
Background technology
The CFBB that H type is arranged, because separator arrangement is in boiler both sides, separator inlet horizontal flue is general longer, when there is larger change in underrun or burning coal, because separator inlet velocity of flue gas reduces, in flue gas, ash particle deposits in a large number, and dust deposit in flue is more serious.Even can gather the over half of flue height, cause the flue gas flow direction deflection entering separator, cause separator running status to change, affect efficiency separator, and then badly influence the normal operation of boiler.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of device preventing separator level dust deposit in flue, prevents the generation of dust stratification situation, improves boiler efficiency, reduces energy resource consumption, alleviates environmental pollution.
In order to achieve the above object, the technical scheme that the utility model is taked is:
A kind of device preventing separator level dust deposit in flue, comprise CFBB 1, be connected with corresponding separator 2 respectively by plural horizontal flue 3 arranged side by side in the outlet of CFBB 1, bottom each horizontal flue 3, arrange first blow grey nozzle 4, each horizontal flue 3 sidepiece arrange second blow grey nozzle 5, the first blow grey nozzle 4 and second blow grey nozzle 5 respectively by the first lateral 6, second lateral 7 with blow grey source of the gas and be connected.
Described blows grey source of the gas from using mixedly compressed air or low-pressure steam.
The beneficial effects of the utility model: blow grey nozzle 4 and second by first and blow grey nozzle 5; dust stratification is purged continuously; after purging, floating soot particle can be carried by flue gas and enter separator 2, thus prevents the generation of dust stratification situation, ensures the normal operation of separator 2.By the application of this technology, alleviate the dust stratification situation of boiler separator, make boiler efficiency improve more than 1%, net coal consumption rate reduces 4g/kw.h, save mark 6000 tons, coal boiler year, fuel cost reduces about 3,300,000 (mark coal price lattice are by 550 yuan/ton).
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
With reference to accompanying drawing, a kind of device preventing separator level dust deposit in flue, comprise CFBB 1, be connected with corresponding separator 2 respectively by the horizontal flue 3 of arranged side by side four in the outlet of CFBB 1, bottom each horizontal flue 3, arrange first blow grey nozzle 4, arrange second at each horizontal flue 3 sidepiece and blow grey nozzle 5, first blow grey nozzle 4 and second blow grey nozzle 5 respectively by the first lateral 6, second lateral 7 with blow grey source of the gas and be connected, blow grey source of the gas from using mixedly compressed air or low-pressure steam.
Operation principle of the present utility model is: blow grey nozzle 4 and second by first and blow grey nozzle 5; dust stratification is purged continuously; after purging, floating soot particle can be carried by flue gas and enter separator 2, thus prevents the generation of dust stratification situation, ensures the normal operation of separator 2.
Claims (2)
1. one kind prevents the device of separator level dust deposit in flue, comprise CFBB (1), be connected with corresponding separator (2) respectively by plural horizontal flue (3) arranged side by side in the outlet of CFBB (1), it is characterized in that: arrange first in each horizontal flue (3) bottom and blow grey nozzle (4), arrange second at each horizontal flue (3) sidepiece and blow grey nozzle (5), first blows grey nozzle (4) and second blows grey nozzle (5) respectively by the first lateral (6), second lateral (7) with blow grey source of the gas and be connected.
2. a kind of device preventing separator level dust deposit in flue according to claim 1, is characterized in that: described blows grey source of the gas from using mixedly compressed air or low-pressure steam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714545.9U CN205026656U (en) | 2015-09-15 | 2015-09-15 | Device for preventing separator level flue deposition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714545.9U CN205026656U (en) | 2015-09-15 | 2015-09-15 | Device for preventing separator level flue deposition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205026656U true CN205026656U (en) | 2016-02-10 |
Family
ID=55259179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520714545.9U Active CN205026656U (en) | 2015-09-15 | 2015-09-15 | Device for preventing separator level flue deposition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205026656U (en) |
-
2015
- 2015-09-15 CN CN201520714545.9U patent/CN205026656U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |