CN110320881A - A kind of thermal power plant wisdom fuel system - Google Patents
A kind of thermal power plant wisdom fuel system Download PDFInfo
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- CN110320881A CN110320881A CN201910722131.3A CN201910722131A CN110320881A CN 110320881 A CN110320881 A CN 110320881A CN 201910722131 A CN201910722131 A CN 201910722131A CN 110320881 A CN110320881 A CN 110320881A
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- 239000000446 fuel Substances 0.000 title claims abstract description 28
- 239000003245 coal Substances 0.000 claims abstract description 607
- 239000000470 constituent Substances 0.000 claims abstract description 19
- 238000000151 deposition Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 description 16
- 238000002156 mixing Methods 0.000 description 8
- 239000004615 ingredient Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
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- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention discloses a kind of thermal power plant wisdom fuel system, including come coal information pre-acquired system, coal constituent analysis unit, access coal equipment, access coal control system unit；Carry out coal information pre-acquired system and coal information is transferred to access coal control system unit；Coal constituent analysis unit carries out constituent analysis to coal is carried out, and composition analysis result is transferred to access coal control system unit, is checked coal information；Access coal control system unit determine it is a variety of come coal proportion information with come coal piling region, the laying depth of coal coal, control access coal equipment with the laying depth of current coal coal piling region with horizontal direction press layer heap coal, make it is a variety of come coal formed sandwich stratiform heap texture of coal；Control access coal equipment takes coal thickness to take coal in coal piling region to set；Achievable coal yard automatically determines the function in access coal region, automatic access coal, automatic mixed coal, realizes the automation and fining of coal yard management, meets the requirement that thermal power plant runs wisdom.
Description
Technical field
This disclosure relates to the operation of thermal power plant fuel system and management system, and in particular to a kind of thermal power plant wisdom
Fuel system.
Background technique
Most of thermal power plant generates electricity using coal as fuel, needs to consume a large amount of coal daily, especially
For large-scale Thermal generation unit, the consumption of coal is daily all in tons thousands of or even up to ten thousand, and in order to guarantee that power plant is normal
Operation, it is still necessary to maintain 15 days or so coal storages, thus causes the coal storage of coal yard huge, tens of thousands of easily to arrive few hundred thousand tonnes of.
The supply of thermal power plant coal has supply channel more, the changeable feature of coal, and coal-burning boiler is in different operation ranks
Section, such as igniting, underrun, heavy-duty service stage, also there is different requirements to coal.One side coal storage of coal yard is huge
Greatly, daily store and take coal frequent, on the other hand, the type of coal is more, and the demand to coal is changeable, so that management of the coal yard to coal
Become an arduous complicated job with operation.
Conventional coal yard to the storage of coal is stacked using subregion, i.e., coal fixed in the storage of some region, and is taken
Coal is also to take coal in fixed area according to the demand of operation.Coal is stored in any region during storage/access coal, and in what area
Domain takes coal by coal yard operator according to the operating condition artificial judgment of generating set and operation, and coal yard management mode is thick
It is rough, be unable to satisfy the requirement that modern thermal power plant runs wisdom, especially when scene, stored coal is more, and newly into
When each coal difference that coal is stored with original again, it is bound to cause the excessive problem of dump of stacking, the problem of coal yard management hardly possible will become
It obtains more prominent.
Under normal circumstances, the coal of power plant's coal yard storage is often at 3~4 kinds or more, and with the change in coal supply market
Change, the coal that power plant can obtain can also change therewith, and coal unit is in the different operation phase, and the requirement to coal is not to the utmost
It is identical, such as to ignition phase, it is desirable that the volatile matter of coal is high, and coal is easily caught fire, and this requires coal yards to be run according to unit
Situation adjusts at any time, and according to operating condition, provides suitable coal.And according to coal in coal yard noted earlier, traditional
It is to be stacked using subregion, operator can only carry out taking coal according to the coal that scene is stored, and simply rely on silo, Di Meigou
Mix matching etc. defeated coal process temporary storage equipment, the coal blending task coincideing with operating condition is unable to complete, so in many cases
Also it is just difficult to reach the requirement of Unit Economic, safe operation to coal.
Summary of the invention
The purpose of disclosure is to overcome above-mentioned the deficiencies in the prior art, to provide a kind of thermal power plant wisdom fuel system；
The system stacks the coal piling mode of coal yard using layering, using the stratiform heap texture of coal for being similar to " sandwich ", in coal piling mistake
Be done directly to mix for the first time in journey and match, take will directly be mixed when coal the mixed coal proportion layer prepared take carried out in coal to furnace it is secondary mix with combustion
It burns, meets requirement of the generating set to required propellant composition optimum proportioning.
The goal of the invention of the disclosure is to propose a kind of thermal power plant wisdom fuel system, to achieve the above object, this public affairs
It opens and adopts the following technical solutions:
A kind of thermal power plant wisdom fuel system, including carry out coal information pre-acquired system, coal constituent analysis unit, deposit
Take coal equipment, access coal control system unit；
It is described come coal information pre-acquired system typing carry out the coal information of coal, and coal information is transferred to access coal control
System unit；
The coal constituent analysis unit carries out constituent analysis to coal is carried out, and composition analysis result is transferred to access coal control
System unit processed checks the coal information；
The access coal control system unit determine it is a variety of come coal proportion information and every kind of coal piling region for carrying out coal coal,
Laying depth, control access coal equipment are pressed layer heap coal in coal piling region with the laying depth of current coal with horizontal direction, are made more
Kind carrys out coal and forms sandwich stratiform heap texture of coal completion coal piling；And it controls access coal equipment and takes coal thickness in coal piling region to set
Take coal.
As further technical solution, if the composition analysis result of coal constituent analysis unit and the coal information are not
The mismatch information for carrying out coal is then stored in access coal control system unit by matching.
As further technical solution, the sandwich stratiform heap texture of coal includes vertically arranged at least one layer of mixed coal
Layer is matched, the mixed coal proportion layer is stacked by multilayer come coal coal.
As further technical solution, when sandwich stratiform heap texture of coal includes multilayer mixed coal proportion layer, by accessing
After coal control system unit control access coal equipment completes current mixed coal proportion layer heap coal, then carry out the heap of next mixed coal proportion layer
Coal.
As further technical solution, the thickness of the mixed coal proportion layer is desirable less than what access coal equipment was once run
Coal seam thickness.
As further technical solution, when access coal equipment takes coal, carry out taking coal with mixed coal proportion thickness degree；If Sanming City
Controlling stratiform heap texture of coal includes multilayer mixed coal proportion layer, after current mixed coal proportion layer takes coal, then removes a mixed coal proportion layer
Coal.
It is determined currently when accessing coal equipment coal piling by the speed of service of access coal equipment as further technical solution
The thickness that coal is laid with, the position that the thickness in current coal seam and paving coal terminate after laying are stored in access coal control system unit,
If current coal is not yet paved with coal piling region in the horizontal direction, which to access coal equipment when coal from last time paving coal knot next time
The position of beam starts to continue to complete the paving coal task in coal piling region.
As further technical solution, wisdom fuel system further includes positioning unit, and positioning unit is set to access coal
Equipment, positioning unit position the position of access coal equipment, and the location information for accessing coal equipment is transferred to access coal
Control system unit.
As further technical solution, fuel system further includes coal handling plant, and the coal handling plant includes depositing the defeated coal of coal
Equipment and take coal coal handling plant, the coal coal handling plant of depositing is set between coal unloading yard and access coal equipment, by coal from coal unloading yard
It is transported to access coal equipment；It is described that coal coal handling plant is taken to be set between access coal equipment and run coal bin, coal is set from access coal
It is standby to be transported to run coal bin.
As further technical solution, the access coal equipment is bucket wheel machine.
The disclosure has the beneficial effect that
The thermal power plant wisdom fuel system of the disclosure, may be implemented the wisdom management of coal yard storage/access coal, can basis
The coal and thermal power generation unit economic security of carrying out coal run the requirement to coal ingredient, pass through layering during depositing coal
And lift height carries out proportion laying, so that coal piling forms the mixed coal proportion layer of sandwich layer structure, completion is mixed for the first time matches
Process.
The thermal power plant wisdom fuel system of the disclosure once takes one using access coal equipment during taking coal
Complete mixed coal proportion layer, to meet requirement of the coal unit optimal operating condition to mixed coal ingredient.Meanwhile the firepower of the disclosure
Power plant wisdom fuel system may be implemented to automatically determine the function in storage/access coal region, automatic storage/access coal, automatic mixed coal, realize
The automation and fining of coal yard management provide perfect solution for thermal power plant safe and economical operation, adopt for coal
It purchases link and quantitative basis is provided.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is coal piling plane distribution schematic diagram；
Fig. 2 is sandwich stratiform coal piling feature cross-section schematic diagram；
Fig. 3 is that access coal equipment takes coal process schematic；
In figure, 1. bucket wheel machines, 2. access coal control system units, 3. main mixed coal proportion layer I coal piling regions, 4. positioning lists
Member, 5. coal conveyer belts, 6. mixed coal proportion layer II coal piling regions, 7. mixed coal proportion layer III coal piling regions, 8.A carry out coal coal,
9.B carrys out coal coal, and 10.C comes coal coal, 11. mixed coal proportion layers.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination；
In order to facilitate narration, if there is "upper", "lower", " left side " " right side " printed words in the disclosure, only indicate and attached drawing itself
Upper and lower, left and right direction it is consistent, not to structure rise restriction effect, it is only for convenient for description the disclosure and simplification retouch
It states, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, and be constructed and operated in a specific orientation,
Therefore it should not be understood as the limitation to the disclosure.
As background technique is introduced, inventors have found that traditional coal yard coal charge way to manage is unable to complete and runs
The identical coal blending task of operating condition, it is difficult to reach the requirement of Unit Economic, safe operation to coal, in order to which the technology for solving as above is asked
Topic, present applicant proposes a kind of thermal power plant wisdom fuel system.
This application provides a kind of thermal power plant wisdom fuel system, including come coal information pre-acquired system, coal at
Divide analytical unit, access coal equipment, access coal control system unit；
It is described come coal information pre-acquired system typing carry out the coal information of coal, and coal information is transferred to access coal control
System unit；
The coal constituent analysis unit carries out constituent analysis to coal is carried out, and composition analysis result is transferred to access coal control
System unit processed checks the coal information；
The access coal control system unit determine it is a variety of come coal proportion information and every kind of coal piling region for carrying out coal coal,
Laying depth, control access coal equipment are pressed layer heap coal in coal piling region with the laying depth of current coal with horizontal direction, are made more
Kind carrys out coal and forms sandwich stratiform heap texture of coal completion coal piling；And it controls access coal equipment and takes coal thickness in coal piling region to set
Take coal.
Embodiment 1
1- attached drawing 3 is described further fuel system disclosed in the present embodiment with reference to the accompanying drawing；
Referring to shown in attached drawing 1, thermal power plant wisdom fuel system, including come coal information pre-acquired system, coal ingredient
Analytical unit, machine for unloading coal, access coal equipment, coal handling plant, positioning unit and access coal control system unit 2.
Carry out the coal information that coal information pre-acquired system typing carrys out coal, and coal information is transferred to access coal control system
Unit 2.Here coal information is the composition information for carrying out coal that coal supply quotient provides, basic number of these information as coal blending
It is stored in access coal control system unit 2 according to origin coal information pre-acquired system typing, it can be using the side of manually typing
Formula.
Coal constituent analysis unit carries out constituent analysis to coal is carried out, and composition analysis result is transferred to access coal control system
System unit, checks the coal information for carrying out coal information pre-acquired system typing, and it is accurate that raising carrys out coal information pre-acquired system
Property；Coal constituent analysis unit uses existing chemical analysis system, for carrying out constituent analysis to coal, is come with verification verification
Whether the coal information of coal information pre-acquired system typing matches.
Machine for unloading coal is responsible for unloading coal from haulage vehicle；
In the present embodiment, access coal equipment uses bucket wheel machine 1, and bucket wheel machine 1 is responsible for taking coal and deposits coal, and coal handling plant is using defeated
Coal belt 5, coal conveyer belt 5 are responsible for coal being transported to bucket wheel machine 1 from coal unloading yard when depositing coal, are responsible for when taking coal by coal from bucket wheel machine
1 is transported to the run coal bin of power plant；
Positioning unit 4 is responsible for being accurately positioned the position of bucket wheel machine 1, and location data is conveyed to access coal control
System unit 2, positioning unit include straight-line displacement encoder and displacement coder, and wherein straight-line displacement encoder is used to determine
Position of the bucket wheel machine 1 on ground rail, and displacement coder is set on bucket wheel machine, for determining coal scuttle on bucket wheel machine 1
Spatial position, and then to the position of bucket wheel machine be accurately positioned.
The operation that coal control system unit 2 is responsible for control bucket wheel machine 1 is accessed, traffic direction, operation speed including bucket wheel machine
Degree, speed, the angles and positions height of storage/access coal of bucket wheel machine etc..
Access coal control system unit 2 will be according to the coal information and power plant soot machine for carrying out coal information pre-acquired system
Requirement to coal ingredient under group various running conditions, to it is various come coal match, determine the coal storage area and
Laying depth, and control bucket wheel machine and carry out coal seam laying by the thickness requirement.
Bucket wheel machine 1 during depositing coal, by according to access coal control system unit 2 instruction, by layer heap coal, i.e., by coal yard
The a certain coal received is laid with, Jiang Gelai in the horizontal direction by coal seam thickness determined by access coal control system unit 2
Coal is deposited coal region and is successively laid with accordingly, ultimately forms sandwich stratiform heap texture of coal.
The thickness of each layer coal will be controlled according to the requirement of final coal blending by access coal in above-mentioned sandwich stratiform heap texture of coal
System unit determines, and finally control bucket wheel machine is realized.The thickness in each coal seam will be by bucket wheel machine in sandwich stratiform heap texture of coal
Operation speed and the revolving speed of coal scuttle and coal conveyer belt determine.After the access determination of coal control system unit 2 carrys out coal thickness, control bucket
The speed of service and coal scuttle of turbine 1 and the revolving speed of coal conveyer belt, and then control and depositing coal region to set thickness paving coal.Spread coal
Afterwards, the position that coal thickness and paving coal terminate is stored in access coal control system unit 2；If current coal is in the horizontal direction still
It is not paved with coal piling region, when the coal carrys out coal next time, access coal control system unit 2 controls bucket wheel machine 1 and spreads coal knot from last time
The position of beam starts to continue to spread coal until reaching to access the determining paving coal thickness of coal control system unit and paving coal amount, completes coal piling
The paving coal task in region.
Each coal is laid with to form a coal layer depositing coal region, and several coal layers constitute a complete mixed coal proportion
Layer, the mixed coal of coal ingredient needed for which forms coal unit during taking coal；Sandwich stratiform heap texture of coal
It can be made of a complete mixed coal proportion layer or multiple complete mixed coal proportion layers.
The complete mixed coal proportion layer of said one can by two layers it is different constituted come coal coal, can also by multilayer difference
Come coal coal composition.
The complete mixed coal proportion thickness degree of said one is determined that the thickness maximum should be not more than by the bucket wheel diameter of bucket wheel machine
Bucket wheel machine can use coal seam thickness, so that guaranteeing that bucket wheel machine can once be run when taking coal gets complete mixed coal proportion layer.
The height and position of bucket wheel machine coal scuttle can be determined by access coal control system unit 2, after determining bucket wheel machine coal scuttle height,
The thickness that bucket wheel machine can use coal also just determines that being set as a complete mixed coal proportion thickness degree can no more than bucket wheel machine immediately
Coal seam thickness is taken, complete mixed coal proportion layer can be taken away after present level is once run, be sent via coal conveyer belt 5 by bucket wheel machine
Enter power plant's run coal bin.Bucket wheel machine, which is once run, to be referred in the operation of setting height leveling.
The bucket wheel diameter of bucket wheel machine 1 is stored in access coal control system unit 2, can be true by the bucket wheel diameter of bucket wheel machine 1
The maximum gauge of a fixed complete mixed coal proportion layer, access coal control system unit 2 want coal blending according to thermal power generation unit
Ask, that is, can determine it is corresponding it is a variety of come coal coal proportion relation, and then be that can determine by the thickness of a complete mixed coal proportion layer
The thickness in each coal seam.
Bucket wheel machine takes coal with a thickness of one in sandwich layer structure complete mixed coal proportion layer, to guarantee to be taken out
Coal formed mixed coal can satisfy requirement of the unit optimal operating condition to mixed coal ingredient.
If sandwich stratiform heap texture of coal includes multilayer mixed coal proportion layer, when access coal equipment takes coal, with mixed coal proportion layer
Thickness carries out taking coal；After current mixed coal proportion layer takes coal, then remove the coal of a mixed coal proportion layer.
The technical solution of the disclosure is described in detail below with reference to specific embodiment.
As shown in Figure 1, when coal yard receive carry out coal after, come coal information pre-acquired system coal in future coal data input transmission
Give access coal control system unit 2；Coal constituent analysis unit (not shown) carries out constituent analysis to coal and will analysis
As a result it is transferred to access coal control system unit 2, access coal control system unit 2 will be according to carrying out coal information pre-acquired system typing
The requirement to coal blending of coal information data and thermal power generation unit determine stacking region of the coal in coal yard, and in heap
Coal seam thickness when coal.
Carry out coal by machine for unloading coal, and be sent into bucket wheel machine 1 through coal conveyer belt 5；Bucket wheel machine 1 is according to carrying out self-access coal control system
The control instruction of unit 2, speed, angle and the position of the storage/access coal of traffic direction, the speed of service, bucket wheel machine including bucket wheel machine
The parameters such as height are set, determine its operating status, and complete laying of coal during coal piling；The position of bucket wheel machine 1 simultaneously
It will accurately be determined by positioning unit 4, location information is transferred to access coal control system unit 2 at any time by positioning unit 4.
As shown in figure 1, entire coal yard is divided into three coal piling regions, is respectively main mixed coal proportion layer I coal piling region 3, secondary mixed
Coal matches layer II coal piling region 6 and time mixed coal proportion layer III coal piling region 7, wherein coal piling region number and size, by basis
The actual motion of thermal power plant requires to determine；The coal blending type of each region storage is set by access coal control system unit 2, carrys out coal
Access coal control system unit 2 controls bucket wheel machine 1 and is stored to setting regions afterwards.The coal piling in each coal piling area from top to bottom will
It is made of one or several mixed coal proportion layers 11, and each mixed coal proportion layer 11 can be made of several come coal coal, it is each mixed
The coal type of coal proportion layer 11 is determined by access coal control system unit 2 according to unit service requirement.Fig. 2 show two and mixes
Coal matches the sandwich stratiform coal piling feature cross-section schematic diagram that layer 11 is constituted, wherein each mixed coal proportion layer is by A come coal coal
8, B carry out coal coal 9 and C carrys out the composition of coal coal 10.When specific laying coal seam, by the determining laying of access coal control system unit 2
Thickness is laid with by bucket wheel machine 1 in coal piling region.When laying, it can determine by the operation speed of bucket wheel machine and the revolving speed of coal scuttle
The thickness that current coal is laid with, the position that the thickness in coal seam and paving coal terminate after laying are stored in access coal control system unit 2,
If current coal is not yet paved with coal piling region in the horizontal direction, when the coal carrys out coal next time, coal control system unit 2 is accessed
Control bucket wheel machine 1 continues to complete the paving coal task for depositing coal region since the position that last time paving coal terminates.If coal piling region
The default multiple mixed coal proportion layers of coal piling after then completing current mixed coal proportion layer paving coal, then carry out the paving coal of next mixed coal proportion layer.
After taking the same manner, bucket wheel machine that current mixed coal proportion layer is taken coal when taking coal, then remove the coal of a mixed coal proportion layer.
After the completion of coal storage, the coal information of depositing in each region is stored in access coal control system unit 2, subsequent to take coal
When, according to the requirement of required coal blending, the control bucket wheel machine of coal control system unit 2 is accessed in corresponding region and takes coal.As shown in figure 3,
When bucket wheel machine takes coal, coal is taken by the high order of a complete mixed coal proportion layer, takes coal complete mixed with a thickness of one
Coal matches thickness degree, that is, during taking coal, each coal proportion that bucket wheel machine is taken meets the proportion set when depositing coal.Due to bucket wheel machine
Take coal with a thickness of a complete mixed coal proportion layer in sandwich stratiform heap texture of coal, thus ensure that taking-up coal formed
Mixed coal can satisfy requirement of the preset unit optimal operating condition to mixed coal ingredient.The coal that bucket wheel machine takes out passes through defeated coal
Belt is sent into run coal bin, send to different pulverized coal preparation systems, carries out secondary in furnace mix with burning, for needed for coal unit operation.
Although above-mentioned be described in conjunction with specific embodiment of the attached drawing to the disclosure, model not is protected to the disclosure
The limitation enclosed, those skilled in the art should understand that, on the basis of the technical solution of the disclosure, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within the protection scope of the disclosure.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field
For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
1. a kind of thermal power plant wisdom fuel system, characterized in that including coming coal information pre-acquired system, coal constituent analysis
Unit, access coal equipment, access coal control system unit；
It is described come coal information pre-acquired system typing carry out the coal information of coal, and coal information is transferred to access coal control system
Unit；
The coal constituent analysis unit carries out constituent analysis to coal is carried out, and composition analysis result is transferred to access coal control system
System unit, checks the coal information；
The access coal control system unit determine it is a variety of come coal proportion information and every kind carry out coal coal coal piling region, laying
Thickness, control access coal equipment press layer heap coal in coal piling region with the laying depth of current coal with horizontal direction, make a variety of next
Coal forms sandwich stratiform heap texture of coal and completes coal piling；And it controls access coal equipment and takes coal thickness to take in coal piling region to set
Coal.
2. wisdom fuel system in thermal power plant as described in claim 1, characterized in that if coal constituent analysis unit at
Analysis result and the coal information mismatch, then the mismatch information for carrying out coal are stored in access coal control system list
Member.
3. wisdom fuel system in thermal power plant as described in claim 1, characterized in that the sandwich stratiform heap texture of coal
Including vertically arranged at least one layer of mixed coal proportion layer, the mixed coal proportion layer is stacked by multilayer come coal coal.
4. wisdom fuel system in thermal power plant as claimed in claim 3, characterized in that when sandwich stratiform heap texture of coal packet
When including multilayer mixed coal proportion layer, access coal equipment is controlled by access coal control system unit and completes current mixed coal proportion layer heap coal
Afterwards, then the coal piling of next mixed coal proportion layer is carried out.
5. wisdom fuel system in thermal power plant as claimed in claim 3, characterized in that the thickness of the mixed coal proportion layer is small
In the desirable coal seam thickness that access coal equipment is once run.
6. wisdom fuel system in thermal power plant as claimed in claim 3, characterized in that when access coal equipment takes coal, with mixed
Coal proportion thickness degree carries out taking coal；If sandwich stratiform heap texture of coal includes multilayer mixed coal proportion layer, current mixed coal proportion layer is taken
After coal, then remove the coal of a mixed coal proportion layer.
7. wisdom fuel system in thermal power plant as described in claim 1, characterized in that when access coal equipment coal piling, by depositing
The thickness for taking the speed of service of coal equipment to determine that current coal is laid with, the position that the thickness in current coal seam and paving coal terminate after laying
It is stored in access coal control system unit, if current coal is not yet paved with coal piling region in the horizontal direction, the coal next time
The paving coal task that coal equipment continues to complete coal piling region since the position that last time paving coal terminates is accessed when coal.
8. wisdom fuel system in thermal power plant as described in claim 1, characterized in that further include positioning unit, positioning is single
Member is set to access coal equipment, and positioning unit positions the position of access coal equipment, and the position for accessing coal equipment is believed
Breath is transferred to access coal control system unit.
9. wisdom fuel system in thermal power plant as described in claim 1, characterized in that it further include coal handling plant, it is described defeated
Coal equipment includes depositing coal coal handling plant and taking coal coal handling plant, and the coal coal handling plant of depositing is set to coal unloading yard and access coal equipment
Between, coal is transported to access coal equipment from coal unloading yard；It is described take coal coal handling plant be set to access coal equipment and run coal bin it
Between, coal is transported to run coal bin from access coal equipment.
10. wisdom fuel system in thermal power plant as described in claim 1, characterized in that the access coal equipment is bucket wheel
Machine.
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| CN110320881B (en) | 2022-03-22 |
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