CN106127611A - A kind of thermal power plant fuel optimization method - Google Patents
A kind of thermal power plant fuel optimization method Download PDFInfo
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- CN106127611A CN106127611A CN201610519393.6A CN201610519393A CN106127611A CN 106127611 A CN106127611 A CN 106127611A CN 201610519393 A CN201610519393 A CN 201610519393A CN 106127611 A CN106127611 A CN 106127611A
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- 239000000446 fuel Substances 0.000 title claims abstract description 187
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- 238000005457 optimization Methods 0.000 title claims abstract description 41
- 238000002156 mixing Methods 0.000 claims abstract description 421
- 239000003245 coal Substances 0.000 claims abstract description 413
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Abstract
The embodiment of the invention discloses a kind of thermal power plant fuel optimization method, comprise determining that coal blending boundary condition, coal blending boundary condition include with coal restrictive condition and border mark single；From data base, the Coal Blending Schemes of storage determines the first candidate's Coal Blending Schemes meeting coal blending boundary condition；Determining second candidate's Coal Blending Schemes of satisfied first operating mode boundary condition from first candidate's Coal Blending Schemes, the first operating mode boundary condition is the boundary condition determined according to the first hardware operating mode；Determine that list is comprehensively marked in the current coal blending of second candidate's Coal Blending Schemes according to current stock's mark list；From second candidate's Coal Blending Schemes, determine that current coal blending comprehensively marks single Coal Blending Schemes setting quantity minimum, that meet described border mark list as the first recommendation Coal Blending Schemes；Recommend Coal Blending Schemes determines target Coal Blending Schemes from first.The embodiment of the present invention determines, according to operating mode boundary condition and coal blending boundary condition, the target Coal Blending Schemes that cost is minimum, it is possible to ensure that production continues when the hardware that operating mode is on-the-spot occurs abnormal.
Description
Technical field
The present invention relates to coal electro-technical field, be specifically related to a kind of thermal power plant fuel optimization method.
Background technology
In thermal power generation, coal is main fuel used to generate electricity, before coal enters stove burning, it is necessary first to determine the Coal Blending Schemes of use,
I.e. determine the multiple coals into stove burning, with under the precondition such as continue in satisfied production, safe and environment-friendly, with farthest
Reduce cost.Wherein, production continues and refers to persistently meet the electricity needs of thermal power generation.
At present, thermal power plant is greater than threshold value by limiting the quantity in stock of each coal in Coal Blending Schemes, ensures the mesh selected
Mark Coal Blending Schemes disclosure satisfy that and produces the premise continued.
But, can the hardware operating mode at operating mode scene be also to determine ensure to produce the key factor continued, if hardware occurs
Abnormal, such as part feeder breaks down, and the target Coal Blending Schemes that prior art determines cannot ensure that production continues.
Summary of the invention
Embodiments provide a kind of thermal power plant fuel optimization method, if occurring abnormal for solving hardware, existing
The target Coal Blending Schemes that technology determines cannot ensure to produce the problem continued.
For reaching above-mentioned purpose, the one side of the embodiment of the present invention provides a kind of thermal power plant fuel optimization method, including:
Determine that coal blending boundary condition, described coal blending boundary condition include with coal restrictive condition and border mark single；
From data base, the Coal Blending Schemes of storage determines the first candidate's Coal Blending Schemes meeting described coal blending boundary condition；
Second candidate's Coal Blending Schemes of satisfied first operating mode boundary condition, institute is determined from described first candidate's Coal Blending Schemes
Stating the first operating mode boundary condition is the boundary condition determined according to the first hardware operating mode；
Determine that according to current stock's mark list list is comprehensively marked in the current coal blending of described second candidate's Coal Blending Schemes；
Determine from described second candidate's Coal Blending Schemes current coal blending comprehensively mark single minimum, to meet described border mark single
Set the Coal Blending Schemes of quantity as the first recommendation Coal Blending Schemes；
Recommend Coal Blending Schemes determines target Coal Blending Schemes from described first.
In conjunction with first aspect, in the first possible implementation of first aspect, described coal restrictive condition includes:
Ature of coal boundary condition and coal quantity in stock boundary condition.
In conjunction with the first possible implementation of first aspect or first aspect, the second in first aspect may
Implementation in, described first hardware operating mode is the number of properly functioning feeder, and described first operating mode boundary condition is
The limit number of coal in Coal Blending Schemes.
In conjunction with the reality that the second of first aspect, the first possible implementation of first aspect and first aspect is possible
Any one possible implementation in existing mode, in the third possible implementation of first aspect, described determining
After first recommends Coal Blending Schemes, before recommending Coal Blending Schemes determines target Coal Blending Schemes from described first, described method
Also include: export described first to user and recommend Coal Blending Schemes.
In conjunction with first aspect, the first possible implementation of first aspect, the possible reality of the second of first aspect
Any one possible implementation in the third possible implementation of existing mode and first aspect, in the of first aspect
In four kinds of possible implementations, determine in the Coal Blending Schemes of storage from data base and meet the of described coal blending boundary condition
After one candidate's Coal Blending Schemes, from described first candidate's Coal Blending Schemes, determining the second time of satisfied first operating mode boundary condition
Before selecting Coal Blending Schemes, described method also includes:
Determine that according to current stock's mark list list is comprehensively marked in the current coal blending of described first candidate's Coal Blending Schemes；
Determine from described first candidate's Coal Blending Schemes current coal blending comprehensively mark single minimum, to meet described border mark single
Set the Coal Blending Schemes of quantity as the second recommendation Coal Blending Schemes；
Judge that described second recommends whether Coal Blending Schemes meets described first operating mode boundary condition；
The most then recommend Coal Blending Schemes determines target Coal Blending Schemes from described second；
If it is not, determine the second of satisfied first operating mode boundary condition from described first candidate's Coal Blending Schemes described in then triggering
The step of candidate's Coal Blending Schemes.
In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation of first aspect
In, if described recommendation Coal Blending Schemes is unsatisfactory for described first operating mode boundary condition, true from described second candidate's Coal Blending Schemes
Settled front coal blending comprehensively marks single Coal Blending Schemes setting quantity minimum, that meet described border mark list as the first recommendation coal blending side
After case, before recommending to determine target Coal Blending Schemes in Coal Blending Schemes from described first, described method also includes:
Export described second to user and recommend Coal Blending Schemes and the first operating mode information, described first operating mode information
In order to show that described second recommends Coal Blending Schemes to be unsatisfactory for described first operating mode boundary condition；
Receive the confirmation instruction of user；
Export described first to user and recommend Coal Blending Schemes.
In conjunction with first aspect, the first possible implementation of first aspect, the possible reality of the second of first aspect
Existing mode, the third possible implementation of first aspect, the 4th kind of possible implementation and first party of first aspect
Any one possible implementation in the 5th kind of possible implementation in face, in the 6th kind of possible realization of first aspect
In mode, after recommending to determine target Coal Blending Schemes in Coal Blending Schemes from described first, described method also includes:
According to current generator power and current stock's mark list, determine and mix burning restrictive condition；
In the fuel mixing ratio scheme that the described target Coal Blending Schemes of storage is corresponding from described data base, determine and mix described in meeting
Burn first candidate's fuel mixing ratio scheme of restrictive condition；
From described first candidate's fuel mixing ratio scheme, determine that the second candidate meeting described second operating mode boundary condition mixes burning
Ratio scheme, described second operating mode boundary condition is the boundary condition determined according to the second hardware operating mode；
Determine, from described second candidate's fuel mixing ratio scheme, the first object fuel mixing ratio scheme that cost is minimum.
In conjunction with the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation of first aspect
In, described second hardware operating mode is number and the coal-supplying amount upper limit of each feeder of properly functioning feeder.
In conjunction with the 6th kind of possible implementation or the 7th kind of possible implementation of first aspect of first aspect,
In the 8th kind of possible implementation of first aspect, described meet described in mix burn restrictive condition the first candidate fuel mixing ratio side
Case is: in target Coal Blending Schemes, Coal Blending Schemes is identical with the Coal Blending Schemes of target operating condition, load is interval at the load of target operating condition
In, the mark of each coal singly the mark of each coal of target operating condition single interval in and the operation compound mode of coal pulverizer and target
The fuel mixing ratio scheme that the operation compound mode of the coal pulverizer of operating mode is identical.
In conjunction with the 6th kind of possible implementation of first aspect, the 7th kind of possible implementation of first aspect and
On the one hand any one possible implementation in the 8th kind of possible implementation is possible the 9th kind of first aspect
In implementation, determine meet described in mix burn restrictive condition first candidate's fuel mixing ratio scheme after, from described first wait
Selecting before determining the second candidate's fuel mixing ratio scheme meeting described second operating mode boundary condition in fuel mixing ratio scheme, described method is also
Including:
The second target fuel mixing ratio scheme that cost is minimum is determined from described first candidate's fuel mixing ratio scheme；
Judge whether described second target fuel mixing ratio scheme meets described second operating mode boundary condition；
The most then export the second target fuel mixing ratio scheme to user；
If it is not, determine from described first candidate's fuel mixing ratio scheme described in then triggering and meet described second operating mode boundary condition
The step of second candidate's fuel mixing ratio scheme.
In conjunction with the 9th kind of possible implementation of first aspect, in the tenth kind of possible implementation of first aspect
In, if described second target fuel mixing ratio scheme is unsatisfactory for described second operating mode boundary condition, from described second candidate's fuel mixing ratio
After determining the first object fuel mixing ratio scheme that cost is minimum in scheme, described method also includes:
Described second target fuel mixing ratio scheme and the second operating mode information, described second operating mode prompting letter is exported to user
Cease in order to show that described second recommends Coal Blending Schemes to be unsatisfactory for described second operating mode boundary condition；
Receive the confirmation instruction of user；
Described first object fuel mixing ratio scheme is exported to user.
In conjunction with first aspect, the first possible implementation of first aspect, the possible reality of the second of first aspect
Existing mode, the third possible implementation of first aspect, the 4th kind of possible implementation, first aspect of first aspect
The 5th kind of possible implementation, the 6th kind of possible implementation of first aspect, the 7th kind of first aspect possible
Implementation, the 8th kind of possible implementation of first aspect, the 9th kind of possible implementation and first of first aspect
Any one possible implementation in tenth kind of possible implementation of aspect is possible the 11st kind of first aspect
In implementation, described method also includes:
Obtain in real time feeder and enter stove data, described feeder enter as-fired coal kind that stove data include that feeder is corresponding and to
Coal machine coal-supplying amount；
Furnace entering volume corresponding to as-fired coal kind in stove data statistics very first time interval and as-fired coal is entered according to described feeder
Fuel mixing ratio between kind；
The calorific value of the as-fired coal kind in the furnace entering volume corresponding according to described as-fired coal kind and interval of the described very first time and stock
Mark is single, and the as-fired coal calculated in described very first time interval comprehensively marks list；
As-fired coal in the sale of electricity mark coal consumption interval according to the described very first time and described very first time interval comprehensively marks list
The sale of electricity fuel cost of calculating degree electricity；
The creation data the association interval described very first time is stored in described data base, obtains in described very first time interval
Fuel mixing ratio scheme, interval creation data of the described very first time includes that the described very first time is interval and district of the described very first time
Interior as-fired coal comprehensively marks the fuel mixing ratio between list, as-fired coal kind, as-fired coal kind, stock's mark list, generator power, described degree electricity
Sale of electricity fuel cost.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
The present invention determines operating mode boundary condition according to hardware operating mode, and determines from the Coal Blending Schemes prestored and meet operating mode limit
The target Coal Blending Schemes that the cost of boundary's condition and coal blending boundary condition is minimum, even if thus the on-the-spot hardware of operating mode occurs abnormal,
The present invention also is able to ensure that production continues.
Accompanying drawing explanation
Fig. 1 is to determine one embodiment schematic diagram of target Coal Blending Schemes in thermal power plant of the present invention fuel optimization method；
Fig. 2 is to determine another embodiment schematic diagram of target Coal Blending Schemes in thermal power plant of the present invention fuel optimization method；
Fig. 3 is one embodiment signal of the automatic record method of fuel mixing ratio scheme in thermal power plant of the present invention fuel optimization method
Figure；
Fig. 4 is to determine one embodiment schematic diagram of target fuel mixing ratio scheme in thermal power plant of the present invention fuel optimization method；
Fig. 5 is to determine another embodiment schematic diagram of target fuel mixing ratio scheme in thermal power plant of the present invention fuel optimization method.
Detailed description of the invention
Embodiments provide a kind of thermal power plant fuel optimization method, for according to operating mode boundary condition and coal blending limit
Boundary's condition determines the target Coal Blending Schemes that cost is minimum.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
Term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second ", " the 3rd ", "
Four " etc. (if present) is for distinguishing similar object, without being used for describing specific order or precedence.Should manage
Solve the data so used can exchange in the appropriate case, in order to the embodiments described herein can be with except here illustrating
Or the order enforcement beyond the content described.Additionally, term " includes " and " having " and their any deformation, it is intended that
Cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment need not limit
In those steps clearly listed or unit, but can include the most clearly listing or for these processes, method, product
Product or intrinsic other step of equipment or unit.
For the ease of the understanding of those skilled in the art, the technical side that the present invention is provided by the present invention by following example
The process that implements of case illustrates.
Embodiments providing thermal power plant's fuel optimization method, the method can be applicable to the fuel optimizing system of thermal power plant
In system, by the server of fuel optimization system by test coal data and the mark list of coal, it is recommended that economy is higher, safe,
The coal mixing combustion scheme that environmental protection, production continue.
In thermal power generation, coal is main fuel used to generate electricity, before coal enters stove burning, it is necessary first to determine the Coal Blending Schemes of use,
The target Coal Blending Schemes determined should be able to meet production continue, the precondition such as safe and environment-friendly, and can be maximum
Reduce cost.Can the hardware operating mode at operating mode scene be also to determine ensure to produce the key factor continued, if hardware occurs abnormal,
The target Coal Blending Schemes determined also should be able to ensure that production continues.
First below the idiographic flow determining target Coal Blending Schemes in the embodiment of the present invention is described, refers to Fig. 1,
Thermal power plant of the present invention one embodiment of fuel optimization method includes:
101, coal blending boundary condition is determined；
Determine that coal blending boundary condition, coal blending boundary condition are mainly used in the restriction instructing the Coal Blending Schemes used to meet
Property condition, thus eliminate uncontrollable noise from default multiple history Coal Blending Schemes.Coal blending boundary condition includes limiting with coal
Condition and border mark are single.
Border mark singly defines that single limit value is comprehensively marked in the highest coal blending of Coal Blending Schemes, in a certain Coal Blending Schemes used,
Single border mark list that not should be greater than comprehensively is marked in the coal blending of scheme, and border mark list can set according to actual power generation operation situation.
Define, with coal restrictive condition, the safe and environment-friendly restrictive condition such as grade that Coal Blending Schemes should meet, use coal restrictive condition
Ature of coal (caloric value, volatile matter, sulphur content) boundary condition and coal quantity in stock boundary condition etc. can be included.Can root with coal restrictive condition
The self-defined setting of power generation operation situation on border factually, the embodiment of the present invention is not specifically limited.
102, the Coal Blending Schemes of storage determines from data base first candidate's Coal Blending Schemes of satisfied coal boundary condition；
In data base, the Coal Blending Schemes of storage can be the Coal Blending Schemes of history use, it needs to be determined that first candidate's coal blending
During scheme, can be transferred by data base.From data base, the Coal Blending Schemes of storage determines and meet with the of coal boundary condition
One candidate's Coal Blending Schemes mainly, determines to meet in default multiple Coal Blending Schemes and uses coal restrictive condition, and the quantity in stock of coal
It is in the Coal Blending Schemes of zone of reasonableness.By multiple Coal Blending Schemes of storage screening the first candidate coal blending side from data base
Case, can be in the case of satisfied coal restrictive condition, the Coal Blending Schemes that preferably coal quantity in stock is big.
103, from first candidate's Coal Blending Schemes, determine second candidate's Coal Blending Schemes of satisfied first operating mode boundary condition；
After determining first candidate's Coal Blending Schemes, satisfied first operating mode limit can be determined from first candidate's Coal Blending Schemes
Second candidate's Coal Blending Schemes of boundary's condition.First operating mode boundary condition can be the perimeter strip determined according to the first hardware operating mode
Part, wherein, the first hardware operating mode can be the number n of properly functioning feeder.Such as, the most properly functioning feeder
Number is 10, if the kind of coal that Coal Blending Schemes includes is more than 10, then feeder cannot carry out coal supply according to Coal Blending Schemes.
Therefore, the first operating mode boundary condition can be limit number m of coal in the Coal Blending Schemes determined according to the first hardware operating mode, should
Limit number m can be less than or equal to the number n of properly functioning feeder.Such as, limit number m can be set to [n/2],
If n is 9, then m is 4.Concrete limit number determines that mode can be set by the user.Meet the of the first operating mode boundary condition
Two candidate's Coal Blending Schemes can be, including coal number less than or no more than limit number m.
104, determine that list is comprehensively marked in the current coal blending of second candidate's Coal Blending Schemes according to current stock's mark list；
After obtaining multiple second candidate's Coal Blending Schemes, each can be determined according to stock's mark list on the same day of each coal
List is comprehensively marked in the current coal blending of two candidate's Coal Blending Schemes.Optionally, single expression is comprehensively marked in the current coal blending of a Coal Blending Schemes, joins
Each coal that coal scheme is formed the same day stock's mark list meansigma methods.Coal Blending Schemes can with the ratio of each coal of predefined,
The ratio of general each coal is 1 to 1, it is possible to by user's sets itself.
105, from second candidate's Coal Blending Schemes, determine that single setting minimum, that meet border mark list is comprehensively marked in current coal blending
The Coal Blending Schemes of quantity is the first recommendation Coal Blending Schemes；
After list is comprehensively marked in the current coal blending determining second candidate's Coal Blending Schemes, can be from multiple second candidate coal blending sides
In case, selected current coal blending is comprehensively marked single border that is not more than and is marked list, and the Coal Blending Schemes of minimum setting quantity is recommended as first
Coal Blending Schemes.
106, the first recommendation Coal Blending Schemes is exported to user；
After the first recommendation Coal Blending Schemes obtaining setting quantity, the present invention can be at the displaying interface of fuel optimization system
On export the first recommendation Coal Blending Schemes to user, in order to user recommends to choose Coal Blending Schemes finally to enter the target of stove from first
Coal Blending Schemes.
107, recommend Coal Blending Schemes determines target Coal Blending Schemes from first.
User can recommend directly to choose target Coal Blending Schemes Coal Blending Schemes from first, it is also possible to recommends a certain first
Coal Blending Schemes carry out coal increasing, delete after fix target Coal Blending Schemes.Fuel optimization system can be according to the selection of user or volume
Collect order, determine target Coal Blending Schemes.In actual applications, step 106 can not also perform, and directly performs step 107, by
Fuel optimization system automatically determines target Coal Blending Schemes, and current coal blending is such as comprehensively marked single the first minimum recommendation Coal Blending Schemes
As target Coal Blending Schemes.
The embodiment of the present invention determines the first operating mode boundary condition according to the first hardware operating mode, and the joining of storage from data base
Coal scheme determines the target Coal Blending Schemes that the cost of satisfied first operating mode boundary condition and coal blending boundary condition is minimum, thus is
The hardware making operating mode on-the-spot occurs abnormal, and the present invention also is able to ensure that production continues.
In actual use, it is considered to the target Coal Blending Schemes obtained after the first hardware operating mode may be relatively costly, Yong Huke
Can be it should be understood that cause the reason of target Coal Blending Schemes high expensive, and the degree of high expensive that hardware operating mode causes, with
Helping user to accumulate knowhow, hardware operating mode is safeguarded by auxiliary user.For meeting the demand, refer to Fig. 2, this
Bright embodiment moderate heat another embodiment of Power Plant Fuel optimization method includes:
201, coal blending boundary condition is determined；
202, from data base, the Coal Blending Schemes of storage determines the first candidate's Coal Blending Schemes meeting coal blending boundary condition；
Step 201 is identical to step 102 to the step 101 in step 202 embodiment corresponding with Fig. 1, the most superfluous
State.
203, determine that list is comprehensively marked in the current coal blending of first candidate's Coal Blending Schemes according to current stock's mark list；
After obtaining multiple first candidate's Coal Blending Schemes, each can be determined according to stock's mark list on the same day of each coal
List is comprehensively marked in the current coal blending of one candidate's Coal Blending Schemes.Optionally, single expression is comprehensively marked in the current coal blending of a Coal Blending Schemes, joins
Each coal that coal scheme is formed the same day stock's mark list meansigma methods.Coal Blending Schemes can with the ratio of each coal of predefined,
The ratio of general each coal is 1 to 1, it is possible to by user's sets itself.
204, from first candidate's Coal Blending Schemes, determine that single setting minimum, that meet border mark list is comprehensively marked in current coal blending
The Coal Blending Schemes of quantity is the second recommendation Coal Blending Schemes；
After list is comprehensively marked in the current coal blending determining first candidate's Coal Blending Schemes, can be from multiple first candidate coal blending sides
In case, selected current coal blending is comprehensively marked single border that is not more than and is marked list, and the Coal Blending Schemes of minimum setting quantity is recommended as second
Coal Blending Schemes.
205, judge whether the second recommendation Coal Blending Schemes meets the first operating mode boundary condition, the most then perform step 206,
If it is not, then perform step 208；
After determining the second recommendation Coal Blending Schemes, it can be determined that second recommends whether Coal Blending Schemes meets the first operating mode limit
Boundary's condition.First operating mode boundary condition can be the boundary condition determined according to the first hardware operating mode, wherein, and the first hardware operating mode
Can be the number n of properly functioning feeder.First operating mode boundary condition can be according to joining that the first hardware operating mode determines
Limit number m of coal in coal scheme, this limit number m can be more than or equal to the number n of properly functioning feeder.Sentence
Fixed second recommendation Coal Blending Schemes meets the first operating mode boundary condition, Ke Yiwei, and second recommends all schemes in Coal Blending Schemes equal
Meet the first operating mode boundary condition, it is also possible to for, second recommends to exist in Coal Blending Schemes to meet joining of the first operating mode boundary condition
Coal scheme.If it is determined that second recommends Coal Blending Schemes to meet the first operating mode boundary condition, then can perform step 206, if it is determined that the
Two recommend Coal Blending Schemes to be unsatisfactory for the first operating mode boundary condition, then can perform step 208.
206, the second recommendation Coal Blending Schemes is exported to user；
If it is determined that second recommends Coal Blending Schemes to meet the first operating mode boundary condition, then can export the second recommendation to user and join
Coal scheme, in order to user recommends to choose Coal Blending Schemes finally to enter the target Coal Blending Schemes of stove from second.
207, recommend Coal Blending Schemes determines target Coal Blending Schemes from second；
User can recommend directly to choose target Coal Blending Schemes Coal Blending Schemes from second, it is also possible to recommends a certain second
Coal Blending Schemes carry out coal increasing, delete after fix target Coal Blending Schemes.Fuel optimization system can be according to the selection of user or volume
Collect order, determine target Coal Blending Schemes.In actual applications, step 206 can not also perform, and directly performs step 207, by
Fuel optimization system automatically determines target Coal Blending Schemes, and current coal blending is such as comprehensively marked single the second minimum recommendation Coal Blending Schemes
As target Coal Blending Schemes.
208, from first candidate's Coal Blending Schemes, determine second candidate's Coal Blending Schemes of satisfied first operating mode boundary condition；
If it is determined that second recommends Coal Blending Schemes to be unsatisfactory for the first operating mode boundary condition, then can be from first candidate's Coal Blending Schemes
The middle second candidate's Coal Blending Schemes determining satisfied first operating mode boundary condition, detailed process can be refering to embodiment corresponding for Fig. 1
In step 103.
209, determine that list is comprehensively marked in the current coal blending of second candidate's Coal Blending Schemes according to current stock's mark list；
210, from second candidate's Coal Blending Schemes, determine that single setting minimum, that meet border mark list is comprehensively marked in current coal blending
The Coal Blending Schemes of quantity is the first recommendation Coal Blending Schemes；
Step 209 is identical to step 105 to the step 104 that step 210 is corresponding with Fig. 1, and here is omitted.
211, the second recommendation Coal Blending Schemes and the first operating mode information are exported to user；
After determining the first recommendation Coal Blending Schemes, the second recommendation Coal Blending Schemes can be exported to user and the first operating mode carries
Showing information, the first operating mode information is in order to show that the second recommendation Coal Blending Schemes is unsatisfactory for the first operating mode boundary condition.Concrete,
Such as, the first operating mode information can be following content: the Coal Blending Schemes of recommendation is unsatisfactory for hardware operating mode, and reason is, at present
Properly functioning feeder is 10, and No. 1 machine and No. 5 machines break down.
212, the confirmation instruction of user is received；
After user browses the second recommendation Coal Blending Schemes and the first operating mode information, can input to fuel optimization system
Confirming instruction, fuel optimization system can receive the confirmation instruction of user.
213, the first recommendation Coal Blending Schemes is exported to user；
After receiving the confirmation instruction of user, the first recommendation Coal Blending Schemes can be exported to user.
214, recommend Coal Blending Schemes determines target Coal Blending Schemes from first.
Step 107 in the embodiment that step 214 is corresponding with Fig. 1 is identical, and here is omitted.
After determining target Coal Blending Schemes to be used, it is thus necessary to determine that the mesh that cost used by target Coal Blending Schemes is minimum
Mark fuel mixing ratio scheme.The searching process of target fuel mixing ratio scheme needs to call historical data, the fuel mixing ratio scheme i.e. accumulated.At fire
During power plant's Historical Jobs, can accumulate the relevant historical data of fuel mixing ratio scheme used by Coal Blending Schemes, historical data is permissible
By the automatic record of the central server in fuel optimization system, central server automatic log history data, accumulation fuel mixing ratio side
The process of case, is referred to Fig. 3, and embodiment of the present invention moderate heat another embodiment of Power Plant Fuel optimization method includes:
301, obtain feeder in real time and enter stove data；
Central server can be with the SIS (detection information system) of thermal power plant, EAM (EAM) system, ERP
(Enterprise Resources Plan) system and metering card-punching system etc. carry out data interaction, obtain feeder in real time and enter stove data.Feeder
Enter as-fired coal kind and feeder coal-supplying amount that stove data can include that feeder is corresponding.
302, furnace entering volume corresponding to as-fired coal kind in stove data statistics very first time interval and as-fired coal are entered according to feeder
Fuel mixing ratio between kind；
Obtain after feeder enters stove data, as-fired coal in stove data statistics very first time interval can be entered according to feeder
Plant the fuel mixing ratio between corresponding furnace entering volume and as-fired coal kind.Very first time length of an interval degree can be 5 minutes, and central server can
Fuel mixing ratio between the furnace entering volume corresponding with the statistics as-fired coal kind of every 5 minutes and as-fired coal kind.
303, according to calorific value and stock's mark list of the interval as-fired coal kind of furnace entering volume corresponding to as-fired coal kind and the very first time,
The as-fired coal calculated in very first time interval comprehensively marks list；
After determining the furnace entering volume that as-fired coal kind is corresponding in very first time interval, can according to as-fired coal kind corresponding enter stove
The calorific value of the as-fired coal kind in amount and very first time interval and stock's mark list, the as-fired coal calculated in very first time interval is comprehensively marked
Single.
304, single calculating is comprehensively marked according to the as-fired coal in the very first time interval sale of electricity mark coal consumption and very first time interval
The sale of electricity fuel cost of degree electricity；
Central server can be according to net coal consumption rate, furnace coal weight and the as-fired coal calorific value calculation first in very first time interval
The sale of electricity mark coal consumption of time interval, and combine according to the as-fired coal in the very first time interval sale of electricity mark coal consumption and very first time interval
Close the sale of electricity fuel cost of mark single calculating degree electricity.
305, the creation data the association interval very first time is stored in data base, obtains the fuel mixing ratio in very first time interval
Scheme.
The creation data the association interval very first time is stored in data base, obtains the fuel mixing ratio side in very first time interval
Case, the very first time interval creation data includes that the very first time is interval and as-fired coal in very first time interval comprehensively mark single,
Fuel mixing ratio between as-fired coal kind, as-fired coal kind, stock's mark list, generator power, the sale of electricity fuel cost of degree electricity.
By accumulation fuel mixing ratio scheme, the embodiment of the present invention can select with target Coal Blending Schemes used by coal consistent,
But combustion of mixed coal makes than different multiple fuel mixing ratio schemes, the corresponding history consistent with target Coal Blending Schemes of fuel mixing ratio
Fuel mixing ratio scheme.
In order to ensure that the target fuel mixing ratio scheme determined also can guarantee that production continues in the case of hardware occurs extremely, under
In the embodiment of the present invention, determine that the idiographic flow of target fuel mixing ratio scheme is described, refer to Fig. 4, the embodiment of the present invention
Moderate heat another embodiment of Power Plant Fuel optimization method includes:
401, according to current generator power and current stock's mark list, determine and mix burning restrictive condition；
Mix burning restrictive condition to limit the most in the following areas: Coal Blending Schemes, generator power and the mark of each coal
Single.
402, in the fuel mixing ratio scheme that the target Coal Blending Schemes of storage is corresponding from data base, determine to meet and mix burning restriction bar
First candidate's fuel mixing ratio scheme of part；
After determining and mixing burning restrictive condition, the fuel mixing ratio side that the target Coal Blending Schemes that can store from data base is corresponding
In case, determine to meet and mix the first candidate's fuel mixing ratio scheme burning restrictive condition.Satisfied the first candidate mixing burning restrictive condition mixes burning
Than scheme it is: in target Coal Blending Schemes, Coal Blending Schemes is identical with the Coal Blending Schemes of target operating condition, load is at the load of target operating condition
The mark of the interval interior and each coal singly fuel mixing ratio scheme in the single interval of mark of each coal of target operating condition.
403, from first candidate's fuel mixing ratio scheme, determine the second candidate fuel mixing ratio side of satisfied second operating mode boundary condition
Case；
After determining first candidate's fuel mixing ratio scheme, satisfied second operating mode can be determined from first candidate's fuel mixing ratio scheme
Second candidate's fuel mixing ratio scheme of boundary condition, the second operating mode boundary condition is the perimeter strip determined according to the second hardware operating mode
Part, the second hardware operating mode can be number n and coal-supplying amount upper limit f of each feeder of properly functioning feeder.According to giving
The number n of coal machine and coal-supplying amount upper limit f of each feeder, can calculate coal-supplying amount upper limit f of current feeder∑=f1
+……+fn.Second operating mode boundary condition can be total coal-supplying amount upper limit, and total coal-supplying amount upper limit can be less than or equal to working as
Coal-supplying amount upper limit f of front feeder∑, such as, total coal-supplying amount upper limit can be set to [0.8f∑], concrete can be set by user
Fixed.Meet second candidate's fuel mixing ratio scheme of the second operating mode boundary condition, can be that total coal-supplying amount is less than or the most total
Second candidate's fuel mixing ratio scheme of the coal-supplying amount upper limit.
404, from second candidate's fuel mixing ratio scheme, the first object fuel mixing ratio scheme that cost is minimum is determined.
After determining second candidate's fuel mixing ratio scheme, can determine that cost is minimum from second candidate's fuel mixing ratio scheme
First object fuel mixing ratio scheme.Each second candidate's fuel mixing ratio scheme can comprehensively be marked single principle from low to high by as-fired coal enter
Row sequence, chooses as-fired coal and comprehensively marks the fuel mixing ratio scheme of single minimum setting quantity, calculate the fuel mixing ratio scheme setting quantity
In the meansigma methods of each coal proportion, using the combination of the meansigma methods of each coal proportion as target fuel mixing ratio side
Case.After determining first object fuel mixing ratio scheme, first object fuel mixing ratio scheme can be exported to user.
Optionally, for considering follow-up degree electricity sale of electricity fuel cost, each second candidate can also be mixed by the embodiment of the present invention
Burn and be ranked up by the sale of electricity fuel cost of degree electricity than scheme, thus minimum multiple of sale of electricity fuel cost of degree of choosing electricity mix burning
Ratio scheme, thus the minimum multiple fuel mixing ratio of sale of electricity fuel cost of foundation degree electricity determine target fuel mixing ratio.
Optionally, it is also possible to as-fired coal is comprehensively marked single minimum, or the sale of electricity fuel cost of degree electricity minimum second
Candidate's fuel mixing ratio scheme is directly as target fuel mixing ratio scheme.
In actual use, it is considered to the target fuel mixing ratio scheme obtained after hardware operating mode may be relatively costly, user may
It should be understood that cause the reason of target fuel mixing ratio scheme high expensive, and the degree of high expensive that hardware operating mode causes, with
Helping user to accumulate knowhow, hardware operating mode is safeguarded by auxiliary user.For meeting the demand, refer to Fig. 5, this
Bright embodiment moderate heat another embodiment of Power Plant Fuel optimization method includes:
501, according to current generator power and current stock's mark list, determine and mix burning restrictive condition；
502, in the fuel mixing ratio scheme that the target Coal Blending Schemes of storage is corresponding from data base, determine to meet and mix burning restriction bar
First candidate's fuel mixing ratio scheme of part；
Step 501 is identical to step 402 to the step 401 in step 502 embodiment corresponding with Fig. 4, the most superfluous
State.
503, from first candidate's fuel mixing ratio scheme, the second target fuel mixing ratio scheme that cost is minimum is determined；
After determining first candidate's fuel mixing ratio scheme, can determine that cost is minimum from first candidate's fuel mixing ratio scheme
Second target fuel mixing ratio scheme.Each first candidate's fuel mixing ratio scheme can comprehensively be marked single principle from low to high by as-fired coal enter
Row sequence, chooses as-fired coal and comprehensively marks the fuel mixing ratio scheme of single minimum setting quantity, calculate the fuel mixing ratio scheme setting quantity
In the meansigma methods of each coal proportion, using the combination of the meansigma methods of each coal proportion as target fuel mixing ratio side
Case.
504, judge whether the second target fuel mixing ratio scheme meets the second operating mode boundary condition, the most then perform step
505, institute is no, then perform step 506；
After determining the second target fuel mixing ratio scheme, it can be determined that whether the second target fuel mixing ratio scheme meets the second work
Condition boundary condition.Second operating mode boundary condition is the boundary condition determined according to the second hardware operating mode, and the second hardware operating mode is permissible
Number n and coal-supplying amount upper limit f of each feeder for properly functioning feeder.Number n according to feeder and respectively giving
Coal-supplying amount upper limit f of coal machine, can calculate coal-supplying amount upper limit f of current feeder∑=f1+……+fn.Second operating mode perimeter strip
Part can be total coal-supplying amount upper limit, and total coal-supplying amount upper limit can be less than or equal to coal-supplying amount upper limit f of current feeder∑。
Judge whether the second target fuel mixing ratio scheme meets the second operating mode boundary condition, can be to judge the second target fuel mixing ratio scheme
Whether total coal-supplying amount exceedes total coal-supplying amount upper limit, if exceeding, then judges that the second target fuel mixing ratio scheme is unsatisfactory for the second work
Condition boundary condition, then performing step 506, if being less than, then judging that the second target fuel mixing ratio scheme meets the second operating mode perimeter strip
Part, then perform step 505.
505, the second target fuel mixing ratio scheme is exported to user；
If the second target fuel mixing ratio scheme meets the second operating mode boundary condition, then can export the second target to user and mix burning
Compare scheme.
506, from first candidate's fuel mixing ratio scheme, determine the second candidate fuel mixing ratio side of satisfied second operating mode boundary condition
Case；
If the second target fuel mixing ratio scheme is unsatisfactory for the second operating mode boundary condition, then can be from first candidate's fuel mixing ratio scheme
The middle second candidate's fuel mixing ratio scheme determining satisfied second operating mode boundary condition.
507, from second candidate's fuel mixing ratio scheme, the first object fuel mixing ratio scheme that cost is minimum is determined.
Step 506 is identical to step 404 to the step 403 in step 507 embodiment corresponding with Fig. 4, the most superfluous
State.
508, the second target fuel mixing ratio scheme and the second operating mode information are exported to user；
After determining first object fuel mixing ratio scheme, the second target fuel mixing ratio scheme and the second work can be exported to user
Condition information, the second operating mode information is in order to show that the second recommendation Coal Blending Schemes is unsatisfactory for the second operating mode boundary condition.Tool
Body, such as, the second operating mode information can be following content: the fuel mixing ratio scheme of recommendation is unsatisfactory for hardware operating mode, reason
Being that the most properly functioning feeder is 10, No. 1 machine and No. 5 machines break down, the coal-supplying amount upper limit fall of No. 2 machines and No. 3 machines
Low.
509, the confirmation instruction of user is received；
After user browses the second target fuel mixing ratio scheme and the second operating mode information, can be defeated to fuel optimization system
Entering to confirm instruction, fuel optimization system can receive the confirmation instruction of user.
510, first object fuel mixing ratio scheme is exported to user.
After receiving the confirmation instruction of user, first object fuel mixing ratio scheme can be exported to user.
Those skilled in the art is it can be understood that arrive, for convenience and simplicity of description, and the system of foregoing description,
The specific works process of device and unit, is referred to the corresponding process in preceding method embodiment, does not repeats them here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method are permissible
Realize by another way.Such as, device embodiment described above is only schematically, such as, and described unit
Dividing, be only a kind of logic function and divide, actual can have other dividing mode, the most multiple unit or assembly when realizing
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or
The coupling each other discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communication connection, can be electrical, machinery or other form.
The described unit illustrated as separating component can be or may not be physically separate, shows as unit
The parts shown can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the present embodiment scheme
's.
It addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to two or more unit are integrated in a unit.Above-mentioned integrated list
Unit both can realize to use the form of hardware, it would however also be possible to employ the form of SFU software functional unit realizes.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part that in other words prior art contributed or this technical scheme completely or partially can be with the form of software product
Embodying, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or the network equipment etc.) performs the complete of method described in each embodiment of the present invention
Portion or part steps.And aforesaid storage medium includes: USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only in order to technical scheme to be described, is not intended to limit；Although with reference to front
State embodiment the present invention has been described in detail, it will be understood by those within the art that: it still can be to front
State the technical scheme described in each embodiment to modify, or wherein portion of techniques feature is carried out equivalent；And these
Amendment or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. thermal power plant's fuel optimization method, it is characterised in that including:
Determine that coal blending boundary condition, described coal blending boundary condition include with coal restrictive condition and border mark single；
From data base, the Coal Blending Schemes of storage determines the first candidate's Coal Blending Schemes meeting described coal boundary condition；
Second candidate's Coal Blending Schemes of satisfied first operating mode boundary condition is determined from described first candidate's Coal Blending Schemes, described
One operating mode boundary condition is the boundary condition determined according to the first hardware operating mode；
Determine that according to current stock's mark list list is comprehensively marked in the current coal blending of described second candidate's Coal Blending Schemes；
From described second candidate's Coal Blending Schemes, determine that single setting minimum, that meet described border mark list is comprehensively marked in current coal blending
The Coal Blending Schemes of quantity is the first recommendation Coal Blending Schemes；
Recommend Coal Blending Schemes determines target Coal Blending Schemes from described first.
Thermal power plant the most according to claim 1 fuel optimization method, it is characterised in that described coal restrictive condition includes:
Ature of coal boundary condition and coal quantity in stock boundary condition.
Thermal power plant the most according to claim 1 fuel optimization method, it is characterised in that described first hardware operating mode is normal
The number of the feeder run, described first operating mode boundary condition is the limit number of coal in Coal Blending Schemes.
Thermal power plant the most according to claim 1 fuel optimization method, it is characterised in that determining that described first recommends coal blending
After scheme, before recommending to determine target Coal Blending Schemes in Coal Blending Schemes from described first, described method also includes:
Export described first to user and recommend Coal Blending Schemes.
Thermal power plant the most according to claim 1 fuel optimization method, it is characterised in that in the coal blending of storage from data base
After scheme determines the first candidate's Coal Blending Schemes meeting described coal blending boundary condition, from described first candidate's Coal Blending Schemes
Before the middle second candidate's Coal Blending Schemes determining satisfied first operating mode boundary condition, described method also includes:
Determine that according to current stock's mark list list is comprehensively marked in the current coal blending of described first candidate's Coal Blending Schemes；
From described first candidate's Coal Blending Schemes, determine that single setting minimum, that meet described border mark list is comprehensively marked in current coal blending
The Coal Blending Schemes of quantity is the second recommendation Coal Blending Schemes；
Judge that described second recommends whether Coal Blending Schemes meets described first operating mode boundary condition；
The most then recommend Coal Blending Schemes determines target Coal Blending Schemes from described second；
If it is not, determine the second candidate of satisfied first operating mode boundary condition described in then triggering from described first candidate's Coal Blending Schemes
The step of Coal Blending Schemes.
Thermal power plant the most according to claim 5 fuel optimization method, it is characterised in that if described recommendation Coal Blending Schemes is discontented with
The described first operating mode boundary condition of foot, determine from described second candidate's Coal Blending Schemes current coal blending comprehensively mark single minimum,
Meet the single Coal Blending Schemes setting quantity of described border mark as after the first recommendation Coal Blending Schemes, joining from described first recommendation
Before determining target Coal Blending Schemes in coal scheme, described method also includes:
Export described second to user and recommend Coal Blending Schemes and the first operating mode information, described first operating mode information in order to
Show that described second recommends Coal Blending Schemes to be unsatisfactory for described first operating mode boundary condition；
Receive the confirmation instruction of user；
Export described first to user and recommend Coal Blending Schemes.
Thermal power plant the most according to any one of claim 1 to 6 fuel optimization method, it is characterised in that from described
After one recommends to determine target Coal Blending Schemes in Coal Blending Schemes, described method also includes:
According to current generator power and current stock's mark list, determine and mix burning restrictive condition；
In the fuel mixing ratio scheme that the described target Coal Blending Schemes of storage is corresponding from described data base, determine and described in meeting, mix burning limit
First candidate's fuel mixing ratio scheme of condition processed；
The the second candidate fuel mixing ratio side meeting described second operating mode boundary condition is determined from described first candidate's fuel mixing ratio scheme
Case, described second operating mode boundary condition is the boundary condition determined according to the second hardware operating mode；
Determine, from described second candidate's fuel mixing ratio scheme, the first object fuel mixing ratio scheme that cost is minimum.
Thermal power plant the most according to claim 7 fuel optimization method, it is characterised in that described second hardware operating mode is normal
The number of the feeder run and the coal-supplying amount upper limit of each feeder.
Thermal power plant the most according to claim 7 fuel optimization method, it is characterised in that described meet described in mix burning limit bar
First candidate's fuel mixing ratio scheme of part is:
In target Coal Blending Schemes, Coal Blending Schemes is identical with the Coal Blending Schemes of target operating condition, load is interval at the load of target operating condition
In, the mark of each coal singly the mark of each coal of target operating condition single interval in and the operation compound mode of coal pulverizer and target
The fuel mixing ratio scheme that the operation compound mode of the coal pulverizer of operating mode is identical.
Thermal power plant the most according to claim 7 fuel optimization method, it is characterised in that determine meet described in mix burning limit
After first candidate's fuel mixing ratio scheme of condition processed, meet described second work determining from described first candidate's fuel mixing ratio scheme
Before second candidate's fuel mixing ratio scheme of condition boundary condition, described method also includes:
The second target fuel mixing ratio scheme that cost is minimum is determined from described first candidate's fuel mixing ratio scheme；
Judge whether described second target fuel mixing ratio scheme meets described second operating mode boundary condition；
The most then export described second target fuel mixing ratio scheme to user；
If it is not, determine from described first candidate's fuel mixing ratio scheme described in then triggering and meet the of described second operating mode boundary condition
The step of two candidate's fuel mixing ratio schemes.
11. thermal power plant according to claim 10 fuel optimization methods, it is characterised in that if described second target fuel mixing ratio
Scheme is unsatisfactory for described second operating mode boundary condition, determine from described second candidate's fuel mixing ratio scheme that cost is minimum first
After target fuel mixing ratio scheme, described method also includes:
Exporting described second target fuel mixing ratio scheme and the second operating mode information to user, described second operating mode information is used
To show that described second recommends Coal Blending Schemes to be unsatisfactory for described second operating mode boundary condition；
Receive the confirmation instruction of user；
Described first object fuel mixing ratio scheme is exported to user.
12. thermal power plant according to any one of claim 1 to 6 fuel optimization methods, it is characterised in that described method is also
Including:
Obtaining feeder in real time and enter stove data, described feeder enters as-fired coal kind and the feeder that stove data include that feeder is corresponding
Coal-supplying amount；
Enter between furnace entering volume corresponding to as-fired coal kind in stove data statistics very first time interval and as-fired coal kind according to described feeder
Fuel mixing ratio；
The calorific value of the as-fired coal kind in the furnace entering volume corresponding according to described as-fired coal kind and interval of the described very first time and stock's mark list,
The as-fired coal calculated in described very first time interval comprehensively marks list；
As-fired coal in the sale of electricity mark coal consumption interval according to the described very first time and described very first time interval comprehensively marks single calculating
The sale of electricity fuel cost of degree electricity；
The creation data the association interval described very first time is stored in described data base, obtains mixing in described very first time interval
Burning ratio scheme, interval creation data of the described very first time includes that the described very first time is interval and in described very first time interval
As-fired coal comprehensively mark the fuel mixing ratio between list, as-fired coal kind, as-fired coal kind, stock's mark list, generator power, described degree electricity sell
Electricity fuel cost.
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| CN109683634A (en) * | 2018-12-11 | 2019-04-26 | 广东电网有限责任公司 | A kind of coal-burning power plant SO2Exceeded control system and its storage medium |
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| CN105117808A (en) * | 2015-09-22 | 2015-12-02 | 华润电力登封有限公司 | Coal blending combustion optimizing method |
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| CN104992028A (en) * | 2015-07-17 | 2015-10-21 | 华北电力大学（保定） | Fossil power generation unit coal blending scheme acquisition method |
| CN105117808A (en) * | 2015-09-22 | 2015-12-02 | 华润电力登封有限公司 | Coal blending combustion optimizing method |
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