CN204534558U - The cold cyclone separator of CFB Boiler - Google Patents
The cold cyclone separator of CFB Boiler Download PDFInfo
- Publication number
- CN204534558U CN204534558U CN201420847408.8U CN201420847408U CN204534558U CN 204534558 U CN204534558 U CN 204534558U CN 201420847408 U CN201420847408 U CN 201420847408U CN 204534558 U CN204534558 U CN 204534558U
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- China
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- housing
- steel plate
- plate layer
- cyclone separator
- heat resistant
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Abstract
The utility model relates to a kind of cyclone separator, and the cold cyclone separator of a kind of CFB Boiler, belongs to cyclone separator technical field specifically.It comprises the inner housing with cavity, and housing comprises three layers, is followed successively by external seal steel plate layer, intermediate heat resistant steel plate layer and interior heat resistant and wear resistant layer from outside to inside, is provided with intermediate course between external seal steel plate layer and intermediate heat resistant steel plate layer.Housing upper is provided with the inlet of cold air be communicated with intermediate course, and lower housing portion side is provided with the hot air outlet be communicated with intermediate course.The utility model structure is simple, compact, reasonable; Housing comprises three layers, and thickness of shell is thin, lightweight, and boiler plant infrastructure investment cost is low, simple to operate, reliable; Cold air is utilized to realize the cooling down of housing and the object of protection draught fan impeller.
Description
Technical field
The utility model relates to a kind of cyclone separator, and the cold cyclone separator of a kind of CFB Boiler, belongs to cyclone separator technical field specifically.
Background technology
At present, the separator of domestic most high-temp. vortex separate type CFBB mainly contains two kinds of forms, and one is heat-insulating separator, and another kind is the cold separator of water-cooled or vapour.The former adopts the version of wear-resistant castable or abrasive brick+insulated pouring material+aluminosilicate fiberboard+steel plate; The latter adopts the version of castable or abrasive brick+membrane wall+aluminosilicate fiberboard (membrane wall interior media is water or steam).Above-mentioned two kinds of structures, not only thickness is thicker, Heavy Weight, and the initial cost of boiler civil engineering etc. is large, and the boiler startup time is long, and start-up cost is also higher.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thus provides a kind of CFB Boiler cold cyclone separator, and utilize cold air to realize the cooling down of housing and the object of protection draught fan impeller, structure is simple, lightweight.
According to the technical scheme that the utility model provides, the cold cyclone separator of CFB Boiler comprises the inner housing with cavity, housing side is tangentially provided with gas approach, case top center is provided with exhanst gas outlet, gas approach, exhanst gas outlet are directly communicated with the cavity in housing, described housing bottom is provided with the dust mouth be communicated with cavity, it is characterized in that: described housing comprises three layers, be followed successively by external seal steel plate layer, intermediate heat resistant steel plate layer and interior heat resistant and wear resistant layer from outside to inside, between external seal steel plate layer and intermediate heat resistant steel plate layer, be provided with intermediate course; Described housing upper is provided with the inlet of cold air be communicated with intermediate course, and lower housing portion side is provided with the hot air outlet be communicated with intermediate course.
Further, close contact between intermediate heat resistant steel plate layer and interior heat resistant and wear resistant layer.
Further, inlet of cold air is positioned at around exhanst gas outlet.
Further, inlet of cold air is positioned at around gas approach.
Compared with the prior art the utility model has the following advantages:
The utility model structure is simple, compact, reasonable; Housing comprises three layers, and thickness of shell is thin, lightweight, and boiler plant infrastructure investment cost is low, simple to operate, reliable; Cold air is utilized to realize the cooling down of housing and the object of protection draught fan impeller.
Accompanying drawing explanation
Fig. 1 is the utility model front view.
Fig. 2 is the utility model top view.
Description of reference numerals: heat resistant and wear resistant layer, 5-exhanst gas outlet, 6-inlet of cold air, 7-gas approach, 8-hot air outlet, 9-dust mouth, 10-intermediate course, 11-cavity in 1-housing, 2-external seal steel plate layer, 3-intermediate heat resistant steel plate layer, 4-.
Detailed description of the invention
Embodiment in is by reference to the accompanying drawings further described by the utility model below:
As shown in Figure 1 and 2, the utility model mainly comprises the inner housing 1 with cavity 11, and housing 1 comprises three layers, is followed successively by external seal steel plate layer 2, intermediate heat resistant steel plate layer 3 and interior heat resistant and wear resistant layer 4 from outside to inside.Intermediate course 10 is provided with, close contact between intermediate heat resistant steel plate layer 3 and interior heat resistant and wear resistant layer 4 between described external seal steel plate layer 2 and intermediate heat resistant steel plate layer 3.
Housing 1 side is tangentially provided with gas approach 7, tangentially arranges gas approach 7 and is conducive to accelerating entering of flue gas.Housing 1 top center is provided with exhanst gas outlet 2, and gas approach 7, exhanst gas outlet 2 are directly communicated with the cavity 11 in housing 1.
Described housing 1 top is provided with the inlet of cold air 6 be communicated with intermediate course 10, and inlet of cold air 6 is positioned at exhanst gas outlet 5 or gas approach 7 around.Housing 1 lower side is provided with the hot air outlet 8 be communicated with intermediate course 10.
The dust mouth 9 be communicated with cavity 11 is provided with bottom described housing 1.
Operation principle of the present utility model is: the heat smoke larger from burner hearth dust content out tangentially accelerates to enter in the cavity of housing from gas approach, rely on flue gas to rotate the centrifugal force produced and carry out gas solid separation, flue gas clean after being separated is discharged from top exhanst gas outlet, and the solid particle separated is discharged from dust mouth, bottom.While flue gas carries out being separated, cold air enters from inlet of cold air, flows through intermediate course, after carrying out heat exchange, flows out enter fan induced draught mouth from hot air outlet with intermediate heat resistant steel plate layer, realizes the cooling down of housing and the object of protection draught fan impeller.
The utility model structure is simple, compact, reasonable; Housing comprises three layers, and thickness of shell is thin, lightweight, and boiler plant infrastructure investment cost is low, simple to operate, reliable; Cold air is utilized to realize the cooling down of housing and the object of protection draught fan impeller.
Claims (4)
1. the cold cyclone separator of CFB Boiler, comprise the inner housing (1) with cavity (11), housing (1) side is tangentially provided with gas approach (7), housing (1) top center is provided with exhanst gas outlet (5), gas approach (7), exhanst gas outlet (5) is directly communicated with the cavity (11) in housing (1), described housing (1) bottom is provided with the dust mouth (9) be communicated with cavity (11), it is characterized in that: described housing (1) comprises three layers, be followed successively by external seal steel plate layer (2) from outside to inside, intermediate heat resistant steel plate layer (3) and interior heat resistant and wear resistant layer (4), intermediate course (10) is provided with between external seal steel plate layer (2) and intermediate heat resistant steel plate layer (3), described housing (1) top is provided with the inlet of cold air (6) be communicated with intermediate course (10), and housing (1) lower side is provided with the hot air outlet (8) be communicated with intermediate course (10).
2. the cold cyclone separator of CFB Boiler as claimed in claim 1, is characterized in that: close contact between described intermediate heat resistant steel plate layer (3) and interior heat resistant and wear resistant layer (4).
3. the cold cyclone separator of CFB Boiler as claimed in claim 1, is characterized in that: described inlet of cold air (6) is positioned at exhanst gas outlet (5) around.
4. the cold cyclone separator of CFB Boiler as claimed in claim 1, is characterized in that: described inlet of cold air (6) is positioned at gas approach (7) around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847408.8U CN204534558U (en) | 2014-12-26 | 2014-12-26 | The cold cyclone separator of CFB Boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420847408.8U CN204534558U (en) | 2014-12-26 | 2014-12-26 | The cold cyclone separator of CFB Boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204534558U true CN204534558U (en) | 2015-08-05 |
Family
ID=53748557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420847408.8U Expired - Fee Related CN204534558U (en) | 2014-12-26 | 2014-12-26 | The cold cyclone separator of CFB Boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204534558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482531A (en) * | 2014-12-26 | 2015-04-01 | 无锡太湖锅炉有限公司 | Air-cooling cyclone separator for circulating fluidized bed boiler |
| CN108266724A (en) * | 2015-08-26 | 2018-07-10 | 中国科学院工程热物理研究所 | Reduce the burner of nitrogen oxides in circulating fluid bed discharge |
-
2014
- 2014-12-26 CN CN201420847408.8U patent/CN204534558U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482531A (en) * | 2014-12-26 | 2015-04-01 | 无锡太湖锅炉有限公司 | Air-cooling cyclone separator for circulating fluidized bed boiler |
| CN108266724A (en) * | 2015-08-26 | 2018-07-10 | 中国科学院工程热物理研究所 | Reduce the burner of nitrogen oxides in circulating fluid bed discharge |
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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 |
Granted publication date: 20150805 Termination date: 20161226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |