CN208058806U - A kind of hot wind water conservancy diversion station boiler - Google Patents
A kind of hot wind water conservancy diversion station boiler Download PDFInfo
- Publication number
- CN208058806U CN208058806U CN201820146101.3U CN201820146101U CN208058806U CN 208058806 U CN208058806 U CN 208058806U CN 201820146101 U CN201820146101 U CN 201820146101U CN 208058806 U CN208058806 U CN 208058806U
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- China
- Prior art keywords
- vertical well
- gas flue
- well gas
- burner hearth
- water conservancy
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Abstract
The utility model discloses a kind of hot wind water conservancy diversion station boilers, including furnace body, burner hearth, the first vertical well gas flue and the second vertical well gas flue, the burner hearth, the first vertical well gas flue and the second vertical well gas flue are disposed in parallel in furnace interior, burner hearth upper end is connected with the first vertical well gas flue upper end, and the first vertical well gas flue lower end is connected with the second vertical well gas flue lower end；Rotary air stream is formed by spiral guide plate, so that the fuel entered in burner hearth by loader disperses and is uniformly mixed with air, improve efficiency of combustion, and the high temperature air after burning forms swirling eddy and is advanced under the drive of vortex, so that the air themperature in level is uniform, utilization rate of the back segment process to thermal energy in air is improved；And by the way that separator is arranged in loader, qualified coal dust is sent back in primary air, unqualified coal fines screening is sent back to, and fuel availability is improved, and saves mass energy.
Description
Technical field
The utility model is related to power equipment, specifically a kind of hot wind water conservancy diversion station boiler.
Background technology
So-called station boiler is exactly the boiler that power plant is used for generating electricity for popular.General capacity is larger, present main force's unit
For 600MW, more advanced at present is ultra-supercritical boiler, and capacity is up to 1000MW.There are two main classes for station boiler：Coal-powder boiler and
Circulating fluidized bed boiler.This two classes boiler is the main Types used in current power station.The maximum difference of fluid bed furnace and coal-powder boiler
It is liquid and coal cinder powdery.Rich coal resources in China, but under thermal power plant benefit is lower and lower in recent years, tracing it to its cause is
In station boiler when burning to coal raw material, combustion rate cannot be sufficiently ensured, therefore cause the waste of resource, and
And the pollutant generated can accordingly increase.
Utility model content
The purpose of this utility model is to provide a kind of hot wind water conservancy diversion station boilers, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：
A kind of hot wind water conservancy diversion station boiler, including furnace body, burner hearth, the first vertical well gas flue and the second vertical well gas flue, the stove
Thorax, the first vertical well gas flue and the second vertical well gas flue are disposed in parallel in furnace interior, burner hearth upper end and the first vertical well gas flue upper end phase
Connection, the first vertical well gas flue lower end are connected with the second vertical well gas flue lower end, the burner hearth, the first vertical well gas flue and the second vertical shaft
Flue lower end is connected with slag bucket, and bottom is equipped with combustion chamber in burner hearth, is equipped with fire grate in the combustion chamber, is set on the outside of furnace body
There is the Gas Pipe being connected with fire grate, loader is equipped on sidewall of the furnace body, separator is equipped in the loader, in separator
Top is fixedly connected with lock wind apparatus, is bored in the shock that separator back fixation connection cross section is " " shape, shock cone lower section
There is air inlet on ontology, there is the qualified powder of oblique upper opening to export in the separator body hit above cone, bored hitting
It is fixedly connected with partition board on the separator body inner wall of lower section, has blanking port below ontology；It is led equipped with spiral on inboard wall of burner hearth
To plate；Be provided with drum on the furnace body top surface, saturated vapor fairlead be connected on drum, in the second vertical well gas flue from
Under it is supreme be disposed with Superheater tube and low temperature superheater pipe, low temperature superheater pipe both ends pass through low temperature mistake respectively
Hot device entrance header connects saturated vapor fairlead and direct-contact desuperheater, the hyperthermia and superheating with low temperature superheater pipe outlet header
Device pipe both ends connect direct-contact desuperheater with high temperature superheater outlet header by high temperature superheater entrance header respectively, and described second
Vertical well gas flue top is equipped with the exhaust gases passes stretched out at the top of furnace body.
Preferred embodiment as the utility model：It is provided with slag bucket on the furnace body bottom surface.
As the utility model further preferred embodiment：The cross section for hitting cone is equilateral triangle.
As the utility model further preferred embodiment：The combustion chamber top surface is circular conical surface.
As the utility model further preferred embodiment：The saturated vapor fairlead is set along furnace body top surface periphery
It sets.
As the utility model further preferred embodiment：The spirally-guided plate surface coats anticorrosion material.
As the utility model further preferred embodiment：A diameter of second vertical well gas flue diameter of the exhaust gases passes
1/2.
Compared with prior art, the utility model has the beneficial effects that：Rotary air stream is formed by spiral guide plate, is made
It obtains the fuel entered in burner hearth by loader to disperse and be uniformly mixed with air, improves efficiency of combustion, and the high temperature after burning is empty
Gas forms swirling eddy and is advanced under the drive of vortex so that the air themperature in a level is uniform, improves back segment process
To the utilization rate of thermal energy in air；And by the way that separator is arranged in loader, qualified coal dust is sent back in primary air, no
Qualified coal fines screening is sent back to, and fuel availability is improved, and saves mass energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the internal structure schematic diagram of loader in the utility model.
Fig. 3 is the internal structure schematic diagram of burner hearth in the utility model.
1- furnace bodies in figure, 2- loaders, 3- Gas Pipes, 4- fire grates, the combustion chambers 5-, 6- spiral guide plates, 7- burner hearths, 8-
First vertical well gas flue, 9- drums, 10- saturated vapor fairleads, 11- low temperature superheater entrance headers, the second vertical well gas flues of 12-,
13- exhaust gases passes, 14- low temperature superheater pipes, 15- direct-contact desuperheaters, 16- Superheater tubes, 17- low temperature superheaters outlet collection
Case, 18- high temperature superheater entrance headers, 19- high temperature superheater outlet headers, 20- slag buckets, 21- separators, 22- lock wind apparatus,
23- hits centrum, 24- air inlets, and 25- qualification powder exports, and 26- is fixedly connected with partition board, 27- blanking ports.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-3, in the utility model embodiment, a kind of hot wind water conservancy diversion station boiler, including furnace body 1, burner hearth 7,
First vertical well gas flue 8 and the second vertical well gas flue 12, the burner hearth 7, the first vertical well gas flue 8 and the second vertical well gas flue 12 are set up in parallel
Inside furnace body 1,7 upper end of burner hearth is connected with 8 upper end of the first vertical well gas flue, 8 lower end of the first vertical well gas flue and the second vertical shaft cigarette
12 lower end of road is connected, and slag bucket 20, the burner hearth 7, the first vertical well gas flue 8 and the second vertical shaft cigarette are provided on 1 bottom surface of furnace body
12 lower end of road is connected with slag bucket 20, and bottom is equipped with combustion chamber 5 in burner hearth 7, and 5 top surface of combustion chamber is circular conical surface convenient fuel
Dispersion；It is equipped with fire grate 4 in combustion chamber 5, the Gas Pipe 3 being connected with fire grate 4 is equipped in 1 outside of furnace body, on 1 side wall of furnace body
Equipped with loader 2, it is equipped with separator 21 in the loader 2, lock wind apparatus 2 is fixedly connected on 21 top of separator, in separator 2
Back fixation connects the shock cone 23 that cross section is " " shape, and the cross section of shock cone 23 is equilateral triangle, shock cone
There is air inlet 24 on the ontology of lower section, there is the qualified powder of oblique upper opening to go out on 21 ontology of separator hit above cone 23
Mouth 25 is fixedly connected with partition board 26 in 21 inner body wall of separator hit below cone 23, there is blanking port 27 below ontology；Through
The wind powder mixture that coal pulverizer exports out is crossed, ontology is entered from the twice lock wind apparatus that top is arranged, coal grain is made to hit
It is a kind of parabolic motion after being folded to after cone, is blown from the wind direction that air inlet enters, so that qualified powder is exported from qualified powder and draw；
Medium grain coal dust enters the channel that partition board is formed with ontology under wind and projectile motion effect and returns in coal pulverizer；And larger
It cannot enter two wing passages because conduit wall is directed toward in its parabola direction, directly fall；Thus play grading processing
Effect, be conducive to improve separating effect；Spiral guide plate 6 is equipped on 7 inner wall of burner hearth, the coating of 6 surface of spiral guide plate is anti-
Corrosion material；When the hot gas that burning generates rises, rotary air stream is formed by spiral guide plate 6 so that entered by loader 2
Fuel in burner hearth 7 disperses and is uniformly mixed with air, improves efficiency of combustion, and the high temperature air after burning is in the drive of vortex
Lower formation swirling eddy simultaneously advances so that the air themperature in a level is uniform, improves back segment process to thermal energy in air
Utilization rate；
The furnace body is provided with drum 9 on 1 top surface, and saturated vapor fairlead 10 is connected on drum 9, and the saturation is steamed
Vapour fairlead 10 is disposed with high temperature superheater from bottom to up along 1 top surface periphery setting of furnace body in the second vertical well gas flue 12
Pipe 16 and low temperature superheater pipe 14,14 both ends of low temperature superheater pipe pass through low temperature superheater entrance header 11 and low temperature respectively
Superheater tube outlet header 17 connects saturated vapor fairlead 10 and direct-contact desuperheater 15,16 both ends of the Superheater tube point
Direct-contact desuperheater 15, second vertical shaft are not connected by high temperature superheater entrance header 18 and high temperature superheater outlet header 19
12 top of flue is equipped with the exhaust gases passes 13 for stretching out 1 top of furnace body, a diameter of second vertical well gas flue, 12 diameter of exhaust gases passes 13
1/2；The high-temperature flue gas generated after burning passes sequentially through 16 He of Superheater tube from bottom to up in the second vertical well gas flue 12
Low temperature superheater pipe 14 exchanges heat, and absorbs remaining heat in air, the vapor after heating by direct-contact desuperheater 15
It is come back in drum 9 by saturated vapor fairlead 10, for being cooled down to burner hearth 7.
The operation principle of the utility model is：Pass through spiral guide plate 6 formed rotary air stream so that by loader 2 into
Enter the fuel in burner hearth 7 to disperse and be uniformly mixed with air, improves efficiency of combustion, and the high temperature air after burning is in the band of vortex
Swirling eddy is formed under dynamic and is advanced so that the air themperature in a level is uniform, improves back segment process to thermal energy in air
Utilization rate；And by the way that separator 21 is arranged in loader 2, qualified coal dust is sent back in primary air, unqualified coal dust
Screening is sent back to, and fuel availability is improved, and saves mass energy.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (7)
1. a kind of hot wind water conservancy diversion station boiler, including furnace body, burner hearth, the first vertical well gas flue and the second vertical well gas flue, feature exist
In the burner hearth, the first vertical well gas flue and the second vertical well gas flue are disposed in parallel in furnace interior, burner hearth upper end and the first vertical shaft cigarette
Road upper end is connected, and the first vertical well gas flue lower end is connected with the second vertical well gas flue lower end, the burner hearth, the first vertical well gas flue and
Second vertical well gas flue lower end is connected with slag bucket, and bottom is equipped with combustion chamber in burner hearth, fire grate is equipped in the combustion chamber, in stove
External side is equipped with the Gas Pipe being connected with fire grate, and loader is equipped on sidewall of the furnace body, separator is equipped in the loader,
It is fixedly connected with lock wind apparatus on separator top, is bored in the shock that separator back fixation connection cross section is " " shape, the shock
Boring on the ontology of lower section has air inlet, has the qualified powder of oblique upper opening to export in the separator body hit above cone,
It is fixedly connected with partition board on the separator body inner wall hit below cone, has blanking port below ontology；It is set on inboard wall of burner hearth
There is spiral guide plate；It is provided with drum on the furnace body top surface, saturated vapor fairlead is connected on drum, in the second vertical shaft
Superheater tube and low temperature superheater pipe are disposed in flue from bottom to up, low temperature superheater pipe both ends lead to respectively
It crosses low temperature superheater entrance header and connects saturated vapor fairlead and direct-contact desuperheater with low temperature superheater pipe outlet header, it is described
Superheater tube both ends connect direct-contact desuperheater by high temperature superheater entrance header with high temperature superheater outlet header respectively,
Second vertical well gas flue top is equipped with the exhaust gases passes stretched out at the top of furnace body.
2. a kind of hot wind water conservancy diversion station boiler according to claim 1, which is characterized in that be provided on the furnace body bottom surface
Slag bucket.
3. a kind of hot wind water conservancy diversion station boiler according to claim 1, which is characterized in that the cross section for hitting cone is
Equilateral triangle.
4. a kind of hot wind water conservancy diversion station boiler according to claim 1, which is characterized in that the combustion chamber top surface is circular cone
Face.
5. a kind of hot wind water conservancy diversion station boiler according to claim 1, which is characterized in that saturated vapor fairlead edge
The periphery setting of furnace body top surface.
6. a kind of hot wind water conservancy diversion station boiler according to claim 1, which is characterized in that the spirally-guided plate surface applies
Cover anticorrosion material.
7. a kind of hot wind water conservancy diversion station boiler according to claim 1, which is characterized in that the exhaust gases passes it is a diameter of
The 1/2 of second vertical well gas flue diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146101.3U CN208058806U (en) | 2018-01-29 | 2018-01-29 | A kind of hot wind water conservancy diversion station boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146101.3U CN208058806U (en) | 2018-01-29 | 2018-01-29 | A kind of hot wind water conservancy diversion station boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208058806U true CN208058806U (en) | 2018-11-06 |
Family
ID=63992381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820146101.3U Expired - Fee Related CN208058806U (en) | 2018-01-29 | 2018-01-29 | A kind of hot wind water conservancy diversion station boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208058806U (en) |
-
2018
- 2018-01-29 CN CN201820146101.3U patent/CN208058806U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 Termination date: 20200129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |