CN206234371U - The single throttling of wing coal dust comb and device - Google Patents
The single throttling of wing coal dust comb and device Download PDFInfo
- Publication number
- CN206234371U CN206234371U CN201620793905.3U CN201620793905U CN206234371U CN 206234371 U CN206234371 U CN 206234371U CN 201620793905 U CN201620793905 U CN 201620793905U CN 206234371 U CN206234371 U CN 206234371U
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- China
- Prior art keywords
- comb
- throttling
- core axle
- adjustable core
- valve body
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Abstract
The utility model belongs to field of thermal power, more particularly to a kind of single throttling of wing coal dust comb and device.Including valve body and throttling comb, throttling comb is arranged on valve inner and is driven by motor, throttling comb includes an adjustable core axle and some comb being arranged on adjustable core axle, throttling comb is located on throttling comb mounting bracket, adjustable core axle one end is flexibly connected with the drive end bearing bracket on throttling comb mounting bracket, its other end is flexibly connected with the rear end cap on valve body, valve body is hollow circular cylinder, body wall is provided with the mounting hole being engaged with throttling comb mounting bracket, and the deflector that cross section is V-type is connected between drive end bearing bracket and rear end cap.Throttling comb folding angle can be dynamically adjusted in real time, to ensure each pulverized coal channel air quantity, pulverized coal mass flow and the uniformity of fineness of pulverized coal.
Description
Technical field
The utility model belongs to field of thermal power, more particularly to a kind of single throttling of wing coal dust comb and device.
Background technology
The burner of thermal power generation is currently used in when design, using identical wind coal condition, shows burner
Go out identical combustion characteristics, but exist in practical application, between burner powder feeding air quantity deviation and pulverized coal mass flow it is inclined
Difference, the superposition of both deviations causes burner off-design performance, deviation to reach as high as 30%, coal pipe can be produced when serious
A series of adverse consequences such as road abrasion, blocking, burner nozzle scaling loss, furnace flame deflection, water wall high temperature corrosion, so disappearing
Except the wind powder inhomogeneities of pulverized coal channel is particularly urgent.
Current power plant can only use adjustable contraction each airduct air quantity of coarse balance under the pure air condition of cold conditions, and hot band
Cannot dynamically be adjusted under powder operating mode, this extensive regulative mode cannot ensure requirement of the burner to wind powder uniformity, exist
Hidden danger.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of single throttling of wing coal dust comb and device, Neng Gouan
It is complete reliably to ensure requirement of the burner to wind powder uniformity.
The utility model is that the technical scheme that solution above-mentioned technical problem is used is：A kind of single wing coal dust throttling is provided
Comb, it is characterized in that：Including one can by motor rotate adjustable core axle and be disposed side by side on adjustable core axle
Some comb.
Profile where the outer end of above-mentioned some comb is semi arch or quarter circular arc.
The utility model also provides a kind of single wing coal dust throttling arrangement, it is characterised in that：Including motor and pulverized coal channel
The valve body of connection and the throttling comb being arranged in valve body；Above-mentioned throttling comb include one with valve body central axis can
Aligning axle and some comb being disposed side by side on adjustable core axle；Above-mentioned motor drives adjustable core axle to rotate.
Single wing coal dust throttling arrangement also includes being arranged on the front of adjustable core axle that (above-mentioned front is the side in face of coal dust
To) deflector, above-mentioned deflector is parallel with adjustable core axle and cross section is V-type.
Profile where the outer end of above-mentioned some comb is semi arch or quarter circular arc.
Single wing coal dust throttling arrangement also includes the mounting hole being opened on body wall and the section being arranged on mounting hole
Stream comb mounting bracket；One end of above-mentioned adjustable core axle is flexibly connected with the drive end bearing bracket on throttling comb mounting bracket.
The other end of above-mentioned adjustable core axle is flexibly connected with the rear end cap on valve body with mounting hole opposite flank.
It is to be rotated in the range of 0-90 degree in comb and valve body centerlines that above-mentioned motor drives adjustable core axle.
Single wing coal dust throttling arrangement also includes the wind powder flow monitoring device being arranged in pulverized coal channel, above-mentioned wind powder stream
The control end of the output termination motor of amount monitoring device.
The beneficial effects of the utility model are：Throttling comb folding angle can be dynamically adjusted in real time, to ensure each coal pipe
The uniformity of road air quantity, pulverized coal mass flow and fineness of pulverized coal.
Brief description of the drawings
Fig. 1 is external structure schematic diagram of the present utility model；
Fig. 2 is internal structure schematic diagram of the present utility model；
Fig. 3 is assembling structure schematic diagram of the present utility model；
Fig. 4 is the structural representation of throttling comb；
In figure, 1- valve bodies, 2- adjustable core axles, 3- comb, 4- throttling combs mounting bracket, 5- drive end bearing brackets, 6- rear end caps, 7- lead
Stream plate.
Specific embodiment
As shown in figures 1-4, there is provided a kind of single wing coal dust throttling arrangement, including valve body 1 and throttling comb, throttle comb
It is arranged on valve inner and is driven by motor, throttling comb includes an adjustable core axle 2 and is arranged on adjustable core axle
Some comb 3, throttling comb is located on throttling comb mounting bracket 4, the front end on adjustable core axle one end and throttling comb mounting bracket
Lid 5 is flexibly connected, and its other end is flexibly connected with the rear end cap 6 on valve body, and valve body is hollow circular cylinder, and body wall is provided with
The mounting hole being engaged with throttling comb mounting bracket, is connected with the deflector 7 that cross section is V-type between drive end bearing bracket and rear end cap.
During work, present apparatus one end is connected by pulverized coal channel with coal pulverizer, and the other end passes through pulverized coal channel and burner
Connection, is additionally provided with wind powder flow monitoring device between the present apparatus and burner, the data obtained is fed back to driving by monitoring device
The motor of throttling comb, the folding angle of throttling comb is controlled with this, and then ensure each pulverized coal channel air quantity, quality of pc stream
The uniformity of amount and fineness of pulverized coal.
Claims (5)
1. single wing coal dust throttling comb, it is characterised in that：Set including an adjustable core axle that can be rotated by motor and side by side
Put some comb on adjustable core axle.
2. single wing coal dust throttling comb according to claim 1, it is characterised in that：The outer end institute of some comb
It is semi arch or quarter circular arc in profile.
3. single wing coal dust throttling arrangement, it is characterised in that：The valve body that is connected including motor and pulverized coal channel and it is arranged on valve
Internal throttling comb；The throttling comb includes one with the adjustable core axle of valve body central axis and be disposed side by side on can
Some comb on aligning axle；The motor drives adjustable core axle to rotate.
4. single wing coal dust throttling arrangement according to claim 3, it is characterised in that：Also include being arranged on adjustable core axle
The deflector in front, the deflector is parallel with adjustable core axle and cross section is V-type；Wheel where the outer end of some comb
Exterior feature is semi arch or quarter circular arc；Also include the mounting hole being opened on body wall and the throttling being arranged on mounting hole
Comb mounting bracket；One end of the adjustable core axle is flexibly connected with the drive end bearing bracket on throttling comb mounting bracket；The adjustable core axle
The other end be flexibly connected with the rear end cap on valve body with mounting hole opposite flank；The motor drive adjustable core axle comb with
Valve body centerlines are to be rotated in the range of 0-90 degree.
5. the single wing coal dust throttling arrangement according to claim 3 or 4, it is characterised in that：Also include being arranged on coal pipe
Wind powder flow monitoring device in road, the control end of the output termination motor of the wind powder flow monitoring device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620793905.3U CN206234371U (en) | 2016-07-26 | 2016-07-26 | The single throttling of wing coal dust comb and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620793905.3U CN206234371U (en) | 2016-07-26 | 2016-07-26 | The single throttling of wing coal dust comb and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234371U true CN206234371U (en) | 2017-06-09 |
Family
ID=58986442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620793905.3U Active CN206234371U (en) | 2016-07-26 | 2016-07-26 | The single throttling of wing coal dust comb and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234371U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065952A (en) * | 2016-07-26 | 2016-11-02 | 西安科瑞自动化有限责任公司 | Single (double) wing coal dust throttling comb and device |
-
2016
- 2016-07-26 CN CN201620793905.3U patent/CN206234371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065952A (en) * | 2016-07-26 | 2016-11-02 | 西安科瑞自动化有限责任公司 | Single (double) wing coal dust throttling comb and device |
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