CN205783000U - Intelligent ash blowing device - Google Patents
Intelligent ash blowing device Download PDFInfo
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- CN205783000U CN205783000U CN201620485447.7U CN201620485447U CN205783000U CN 205783000 U CN205783000 U CN 205783000U CN 201620485447 U CN201620485447 U CN 201620485447U CN 205783000 U CN205783000 U CN 205783000U
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Abstract
This utility model relates to a kind of intelligent ash blowing device, including image acquisition unit, graphics processing unit, soot blowing performance element and soot-blowing control unit；Described soot-blowing control unit electrically connects with graphics processing unit and soot blowing performance element respectively, and it processes according to three-dimensional image information and obtains corresponding control instruction, and is controlled the duty of some soot blowers respectively by control instruction.Thus this utility model is by needing monitored boiler heating surface to be provided around some soot blowers, make a certain region of the most corresponding heating surface of each soot blower, and combine image acquisition unit and the graphics processing unit realization real-time monitoring to the lime-ash on boiler entirety heating surface, realize soot-blowing control unit and can control local soot blower to the on-demand soot blowing in local heating face, optimized sootblowing duration and reduction soot blowing energy consumption, avoid excessive soot blowing and the generation of young blow ash problem, improve boiler overall thermal efficiency simultaneously.
Description
Technical field
This utility model relates to coal-burning boiler intelligent ash blowing technical field, particularly to a kind of intelligent ash blowing device.
Background technology
In coal-burning boiler running, the dust stratification of its heating surface and slagging scorification are long-standing problems.Owing to the thermal resistance of lime-ash is very big, dust stratification and slagging scorification on boiler heating surface not only can reduce its heating surface thermal efficiency, and heating surface surface temperature can be caused too high, cause heating surface metal overtemperature and high temperature corrosion, even bolier tube failure.On the other hand, heating surface efficiency reduction can increase unit coal consumption, makes furnace outlet and final stove pot exhaust gas temperature raise, causes boiler whole efficiency to decline.Additionally, bigger clinker falls also can cause boiler safety problem.Therefore, properly functioning the most unfavorable for boiler of serious dust stratification and slagging scorification.
And it is the important means solving the problems referred to above that heating surface of coal-fired boiler carries out soot blowing, its effect is slagging scorification and the dust stratification removing heating surface, maintains the cleaning of heating surface, to ensure station boiler safety, economy, stable operation.Therefore, boiler sootblower is a kind of auxiliary equipment that current all station boilers must mate.And traditional soot blower owing to cannot carry out accurate measurements to fouling and slagging, can only use timing, quantitative Purge methods, this mode blindness is big, the loss that causes is the biggest.
Utility model content
The purpose of this utility model is the shortcoming and defect in order to solve above-mentioned prior art, a kind of intelligent ash blowing device is provided, by being provided around some soot blowers at boiler heating surface, make each soot blower towards the region of heating surface all differ, and combine image acquisition unit and graphics processing unit and realize the monitoring in real time of the lime-ash on boiler entirety heating surface, realize the on-demand soot blowing in local heating face, optimized sootblowing duration and reduction soot blowing energy consumption, improve boiler overall thermal efficiency simultaneously.
For solving the problems referred to above, this utility model provides a kind of intelligent ash blowing device, including image acquisition unit, graphics processing unit, soot blowing performance element and soot-blowing control unit；
Described image acquisition unit is arranged at the outside needing monitored boiler heating surface, for obtaining the two dimensional image needing monitored boiler heating surface, and sends to image processor；
Described graphics processing unit electrically connects with described image acquisition unit, and its two dimensional image to receiving from image acquisition unit processes and obtains three-dimensional image information, and sends to soot-blowing control unit；
Described soot blowing performance element includes that some soot blowers, described some soot blowers are arranged at around the boiler heating surface that described needs are monitored；
Described soot-blowing control unit electrically connects with graphics processing unit and soot blowing performance element respectively, and it processes according to three-dimensional image information and obtains corresponding control instruction, and is controlled the duty of some soot blowers respectively by control instruction.
Pass through technique scheme, this utility model is by needing monitored boiler heating surface to be provided around some soot blowers, make a certain region of the most corresponding heating surface of each soot blower, and combine image acquisition unit and the graphics processing unit realization real-time monitoring to the lime-ash on boiler entirety heating surface, realize soot-blowing control unit and can control local soot blower to the on-demand soot blowing in local heating face, optimized sootblowing duration and reduction soot blowing energy consumption, improve boiler overall thermal efficiency simultaneously.
As further improvement of the utility model, described some soot blowers towards boiler heating surface region different；Described soot-blowing control unit according to each soot blower towards the three-dimensional image information in heating surface region process the control instruction obtaining controlling each soot blower respectively, and controlled the duty of each soot blower respectively by the control instruction of each soot blower.By arranging herein, realize further each soot blower towards the region of boiler heating surface all differ, also can understand from another angle, i.e. according to the position distribution of soot blower and the heating surface region of correspondence thereof, heating surface is divided into soot blowing region the most some with some soot blowers.
Further, described graphics processing unit includes three-dimensional reconstruction processor；The input of described three-dimensional reconstruction processor electrically connects with described image acquisition unit, and its outfan electrically connects with soot-blowing control unit.
Further, described soot-blowing control unit includes fuzzy controller；Described fuzzy controller input electrically connects with described three-dimensional reconstruction processor outfan, and processes the control instruction respectively obtaining the duty for controlling each soot blower according to the three-dimensional image information of three-dimensional reconstruction processor input.
Further, described image acquisition unit includes two video cameras electrically connected with described three-dimensional reconstruction processor, and described two video cameras are respectively arranged at the opposite sides needing monitored boiler heating surface, and its photographic head is arranged on same level and same straight line.It is arranged at here by two video cameras and needs monitored boiler heating surface opposite sides, and its photographic head is arranged on same level and same straight line, achieve the different angles shooting of the same panel region to boiler heating surface, it is possible to obtain more accurately completely two dimensional image.
As further improvement of the utility model, described image acquisition unit also includes the first shooting gas circuit protection part；Described first shooting protection air path part includes at least one first hair-dryer, and described first hair-dryer is arranged at the same side of two video cameras, and the photographic head of its blow-off outlet and described two video cameras is positioned on same level height.It is achieved in being formed in the camera lens front end of two video cameras that there is the air curtain of certain pressure, desirably prevents the ejection of flame during malleation in boiler, and prevent flying dust from staining optical lens, also can effectively video camera be cooled down.
As further improvement of the utility model, described image acquisition unit also includes the second shooting protection air path part；Described second shooting protection air path part includes at least two second hair-dryers; described two second hair-dryers are disposed adjacent with described two video cameras and are respectively facing the camera lens side of described two video cameras respectively, and its blow-off outlet photographic head with described two video cameras respectively is positioned on same level height.It is achieved in the camera lens to two video cameras and two video cameras and directly applies cold wind, be conducive to further video camera being cooled down, reach more preferable cooling effect.
As further improvement of the utility model, described graphics processing unit also includes memorizer and display；Described three-dimensional reconstruction processor outfan electrically connects with memorizer and display.By arranging herein, the long-pending knot state to boiler heating surface lime-ash that facilitates is monitored in real time, checks and is understood.
By technique scheme, this utility model has reached the most useful following technique effect:
1) entirety to collecting ash slagging scorification and directly monitoring are achieved, and according to three-dimensional reconstruction, it is achieved the cleannes of on-line monitoring heating surface and the concrete position of fouling and slagging；
2) process with the fuzzy control of fuzzy controller and decide whether soot blowing and transfer which soot blower, solve in existing soot blowing technology at regular time and quantity, the problem of excessive soot blowing brought of the method for heating surface entirety soot blowing；
3) by video camera realize to the fouling and slagging process of heating surface and heating surface by the monitored over time of soot blowing process, according to the clean condition of heating surface before and after soot blowing, pass judgment on the effect of soot blowing.And changed by the adaptive learning of fuzzy controller or set fuzzy value scope, be conducive to optimizing soot blowing duration, make soot blowing effect reach optimal, solve further in prior art problems such as the excessive soot blowing of heating surface and young blow ashes.
In order to be more fully understood that and implement, describe this utility model below in conjunction with the accompanying drawings in detail.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of this utility model intelligent ash blowing device；
Fig. 2 is the structured flowchart of this utility model intelligent ash blowing device；
Fig. 3 is the position relationship structure chart of this utility model intelligent ash blowing device and boiler heating surface；
Fig. 4 is the structural representation after the intelligent ash blowing device in Fig. 1 optimizes further；
Fig. 5 is the structural representation after the intelligent ash blowing device in Fig. 4 optimizes further；
Fig. 6 is the concrete structure block diagram of this utility model intelligent ash blowing device.
Detailed description of the invention
Please refer to Fig. 1～3, this utility model intelligent ash blowing device includes image acquisition unit 1, graphics processing unit 2, soot blowing performance element 3 and soot-blowing control unit 4.Described image acquisition unit 1 is arranged at the outside needing monitored boiler heating surface A, for obtaining the two dimensional image needing monitored boiler heating surface A, and sends to image processor.Described graphics processing unit 2 electrically connects with described image acquisition unit 1, and its two dimensional image to receiving from image acquisition unit 1 processes and obtains three-dimensional image information, and sends to soot-blowing control unit 4.Described soot blowing performance element 3 includes that some soot blowers 31, described some soot blowers 31 are arranged at around the boiler heating surface A that described needs are monitored.Described soot-blowing control unit 4 electrically connects with graphics processing unit 2 and soot blowing performance element 3 respectively, and it processes according to three-dimensional image information and obtains corresponding control instruction, and is controlled the duty of some soot blowers 31 respectively by control instruction.
For ensure each soot blower towards the region of boiler heating surface A all differ, boiler heating surface A is enable to be divided into and some soot blowers 31 the most some soot blowing region, as a kind of more excellent technical scheme, described some soot blowers 31 towards boiler heating surface a-quadrant different；Further, described soot-blowing control unit 4 according to each soot blower towards the three-dimensional image information in heating surface region process the control instruction obtaining controlling each soot blower respectively, and controlled the duty of each soot blower respectively by the control instruction of each soot blower.
In the present embodiment, described image acquisition unit 1 includes two video cameras (11 and 12), described two video cameras (11 and 12) are respectively arranged at the opposite sides needing monitored boiler heating surface A, and its photographic head is arranged on same level and same straight line, it is achieved the different angles shooting to the same panel region of boiler heating surface A.
Please refer to Fig. 4; for forming the air curtain with certain pressure in the camera lens front end of two video cameras (11 and 12); the ejection of flame and prevent flying dust from staining optical lens during to prevent malleation in boiler; and effectively video camera is cooled down; as a kind of more excellent technical scheme; described image acquisition unit 1 also includes that the first shooting protection air path part, described first shooting protection air path part include at least one first hair-dryer.In the present embodiment; described first shooting protection air path part includes one first hair-dryer 13; described first hair-dryer 13 is arranged at the same side of two video cameras (11 and 12); and the photographic head of its blow-off outlet and described two video cameras (11 and 12) is positioned on same level height, it is achieved in forming the air curtain with certain pressure in the camera lens front end of two video cameras (11 and 12).
Please refer to Fig. 5; for the camera lens of two video cameras (11 and 12) and two video cameras (11 and 12) is directly applied cold wind; further video camera is cooled down; reach more preferable cooling effect; as a kind of more excellent technical scheme; described image acquisition unit 1 also includes that the second shooting protection air path part, described second shooting protection air path part include at least two second hair-dryers.In the present embodiment; described second shooting protection air path part includes two second hair-dryers (14 and 15); described two second hair-dryers (14 and 15) are disposed adjacent with described two video cameras (11 and 12) and are respectively facing the camera lens side of described two video cameras (11 and 12) respectively, and its blow-off outlet photographic head with described two video cameras (11 and 12) respectively is positioned on same level height.
Referring to Fig. 6, specifically, described graphics processing unit 2 includes three-dimensional reconstruction processor 21；The input of described three-dimensional reconstruction processor 21 electrically connects with two video cameras (11 and 12) in described image acquisition unit 1, and its outfan electrically connects with soot-blowing control unit 4.In the present embodiment, described three-dimensional reconstruction processor 21 receives the two dimensional image sent by two video cameras by radio receiver.
Please continue to refer to Fig. 6, for convenience the long-pending knot state of boiler heating surface A lime-ash being monitored in real time, check and understood, as a kind of more excellent technical scheme, described graphics processing unit 2 also includes memorizer 22 and display 23；Described three-dimensional reconstruction processor 21 outfan electrically connects with memorizer 22 and display 23.
Please continue to refer to Fig. 6, specifically, described soot-blowing control unit 4 includes fuzzy controller 41；Described fuzzy controller 41 input electrically connects with described three-dimensional reconstruction processor 21 outfan, and processes the control instruction respectively obtaining the duty for controlling each soot blower according to the three-dimensional image information of three-dimensional reconstruction processor 21 input.
In the present embodiment, described graphics processing unit and described soot-blowing control unit are integrated in same computer.
Hereinafter, work process the most of the present utility model is sketched:
First, at the boiler heating surface A needing monitored and soot blowing, image acquisition unit 1 of the present utility model and soot blowing performance element 3 is installed according to technique scheme, wherein, preferably ensure the some soot blowers 31 in the soot blowing performance element 3 after installing around boiler heating surface A uniformly and be spaced setting, and each soot blower towards the region of boiler heating surface A different.Then, start intelligent ash blowing device of the present utility model, then two video cameras in image acquisition unit 1 (11 and 12) shoot the two dimensional image obtaining boiler heating surface A, and the three-dimensional reconstruction processor 21 sent to described graphics processing unit 2 the most from different perspectives.Described three-dimensional reconstruction processor 21 carries out three-dimensional reconstruction to the two dimensional image of the different angles of input, obtain the three-dimensional image information of boiler heating surface A, such as three-D profile model and the ash bed thickness of lime-ash image, and show in described display 23 and be stored in described memorizer 22.Subsequently, described three-D profile model and ash bed thickness information are transmitted the fuzzy controller 41 to soot-blowing control unit 4 by described memorizer 22, boiler heating surface A division is formed and described some soot blowers 31 the most some soot blowing region according to some soot blowers 31 by fuzzy controller 41, realize lime-ash three-D profile model is carried out the division of corresponding region further according to some soot blowing regions, obtain the lime-ash three-D profile model with the most some regions, some soot blowing regions and lime-ash thickness.Further, fuzzy controller 41 continues the lime-ash three-D profile model to each region and lime-ash thickness carries out Fuzzy processing, obtains the fuzzy value that each soot blowing region is corresponding.Then, fuzzy controller 41 is according to the fuzzy value scope at the fuzzy value place in each soot blowing region (in the present embodiment, by fuzzy controller 41 through repeatedly learning during described fuzzy value scope, it can be appreciated that through repeatedly combine practical situation calculate and after statistics determined by fuzzy value scope) and soot blower with soot blowing region between corresponding relation corresponding control instruction is sent to the most corresponding soot blower, controlling the duty of each soot blower corresponding with each soot blowing region respectively, concrete duty is:
For ease of understanding, if fuzzy controller 41 is set with four fuzzy value scopes, be respectively for representing the first fuzzy value scope that heating surface is the cleanest, for representing the second fuzzy value scope that heating surface is clean, for representing the 3rd fuzzy value scope that heating surface is the cleanest and for representing the sordid 4th fuzzy value scope of heating surface, then the fuzzy value according to calculated each soot blowing region is as follows to the control of corresponding soot blower:
(1) when be calculated some soot blowing region fuzzy value belong to the 4th fuzzy value scope time, fuzzy controller 41 obtains performing the control instruction of soot blowing operation, and control instruction is sent to this fuzzy value and belong to the soot blower that the soot blowing region of the 4th fuzzy value scope is corresponding；Now, the soot blower only receiving the control instruction performing soot blowing operation just can start soot blowing operation to the soot blowing region in corresponding boiler heating surface A；
(2) when the fuzzy value being calculated some soot blowing region belongs to the 3rd fuzzy value scope, fuzzy controller 41 obtains maintaining the control instruction of soot blowing operation, and control instruction is sent to this fuzzy value and belong to the soot blower that the soot blowing region of the 3rd fuzzy value scope is corresponding；Now, the soot blower only receiving the control instruction maintaining soot blowing operation just can maintain soot blowing operation to the soot blowing region in corresponding heating surface；
(3) when calculated fuzzy value belongs to the first fuzzy value scope or the second fuzzy value scope, fuzzy controller 41 obtains stopping soot blowing or maintaining the control instruction of not soot blowing operation, and control instruction is sent to this fuzzy value and belong to the soot blower that the soot blowing region of the first or second fuzzy value scope is corresponding.Now, only receive stopping soot blowing or maintain the soot blower of the not control instruction of soot blowing operation just the soot blowing region in corresponding heating surface can stop soot blowing or maintain not soot blowing operation.
Thus this utility model intelligent ash blowing device realizes the reasonable soot blowing to boiler heating surface A, realize boiler entirety heating surface real time on-line monitoring, the on-demand soot blowing in local heating face, the intelligent ash blowing of soot blowing duration optimization, reduce soot blowing and be lost and improve boiler overall thermal efficiency.
Relative to prior art, this utility model intelligent ash blowing device is by needing monitored boiler heating surface to be provided around some soot blowers, make a certain region of the most corresponding heating surface of each soot blower, and combine image acquisition unit and the graphics processing unit realization real-time monitoring to the lime-ash on boiler entirety heating surface, realize soot-blowing control unit and can control local soot blower to the on-demand soot blowing in local heating face, optimized sootblowing duration and reduction soot blowing energy consumption, avoid excessive soot blowing and the generation of young blow ash problem, improve boiler overall thermal efficiency simultaneously.
This utility model is not limited to above-mentioned embodiment, if to various changes of the present utility model or deformation without departing from spirit and scope of the present utility model, if within the scope of these changes and deformation belong to claim of the present utility model and equivalent technologies, then this utility model is also intended to comprise these changes and deformation.
Claims (8)
1. an intelligent ash blowing device, it is characterised in that: include image acquisition unit, graphics processing unit, soot blowing performance element and
Soot-blowing control unit；
Described image acquisition unit is arranged at the outside needing monitored boiler heating surface, needs monitored boiler for obtaining
The two dimensional image of heating surface, and send to image processor；
Described graphics processing unit electrically connects with described image acquisition unit, its two dimensional image to receiving from image acquisition unit
Process obtains three-dimensional image information, and sends to soot-blowing control unit；
Described soot blowing performance element includes that some soot blowers, the boiler that described some soot blowers are arranged at described needs monitored are heated
Around face；
Described soot-blowing control unit electrically connects with graphics processing unit and soot blowing performance element respectively, its according to three-dimensional image information at
Reason obtains corresponding control instruction, and is controlled the duty of some soot blowers respectively by control instruction.
Intelligent ash blowing device the most according to claim 1, it is characterised in that: described some soot blowers towards boiler be heated
Region, face is different；Described soot-blowing control unit according to each soot blower towards heating surface region 3-D view letter
Breath processes respectively and obtains controlling the control instruction of each soot blower, and is controlled respectively often by the control instruction of each soot blower
The duty of one soot blower.
Intelligent ash blowing device the most according to claim 2, it is characterised in that: described graphics processing unit includes at three-dimensional reconstruction
Reason device；The input of described three-dimensional reconstruction processor electrically connects with described image acquisition unit, its outfan and soot-blowing control
Unit electrically connects.
Intelligent ash blowing device the most according to claim 3, it is characterised in that: described soot-blowing control unit includes fuzzy controller；
Described fuzzy controller input electrically connects with described three-dimensional reconstruction processor outfan, and defeated according to three-dimensional reconstruction processor
The three-dimensional image information entered processes the control instruction respectively obtaining the duty for controlling each soot blower.
Intelligent ash blowing device the most according to claim 3, it is characterised in that: described image acquisition unit includes and described three-dimensional
Two video cameras of reconstruction processor electrical connection, described two video cameras are respectively arranged at the phase needing monitored boiler heating surface
To both sides, and its photographic head is arranged on same level and same straight line.
Intelligent ash blowing device the most according to claim 5, it is characterised in that: described image acquisition unit also includes the first shooting
Gas circuit protection part；Described first shooting protection air path part includes that at least one first hair-dryer, described first hair-dryer set
It is placed in the same side of two video cameras, and the photographic head of its blow-off outlet and described two video cameras is positioned on same level height.
Intelligent ash blowing device the most according to claim 5, it is characterised in that: described image acquisition unit also includes the second shooting
Protection air path part；Described second shooting protection air path part includes at least two second hair-dryers, described two second hair-dryers
Be disposed adjacent and be respectively facing the camera lens side of described two video cameras respectively with described two video cameras, and its blow-off outlet respectively with
The photographic head of described two video cameras is positioned on same level height.
Intelligent ash blowing device the most according to claim 3, it is characterised in that: described graphics processing unit also include memorizer and
Display；Described three-dimensional reconstruction processor outfan electrically connects with memorizer and display.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485447.7U CN205783000U (en) | 2016-05-24 | 2016-05-24 | Intelligent ash blowing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620485447.7U CN205783000U (en) | 2016-05-24 | 2016-05-24 | Intelligent ash blowing device |
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| CN205783000U true CN205783000U (en) | 2016-12-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731006A (en) * | 2018-04-10 | 2018-11-02 | 刘惠敏 | Boiler Cinder Surveying clears up alarm platform |
| CN109140471A (en) * | 2018-04-10 | 2019-01-04 | 刘惠敏 | Boiler Cinder Surveying clears up alarm method |
| CN115722491A (en) * | 2022-11-01 | 2023-03-03 | 智能网联汽车(山东)协同创新研究院有限公司 | Control system for surface machining dust removal |
-
2016
- 2016-05-24 CN CN201620485447.7U patent/CN205783000U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731006A (en) * | 2018-04-10 | 2018-11-02 | 刘惠敏 | Boiler Cinder Surveying clears up alarm platform |
| CN109140471A (en) * | 2018-04-10 | 2019-01-04 | 刘惠敏 | Boiler Cinder Surveying clears up alarm method |
| CN115722491A (en) * | 2022-11-01 | 2023-03-03 | 智能网联汽车(山东)协同创新研究院有限公司 | Control system for surface machining dust removal |
| CN115722491B (en) * | 2022-11-01 | 2023-09-01 | 智能网联汽车(山东)协同创新研究院有限公司 | Control system for surface processing dust removal |
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