CN107977527A - A kind of method and apparatus of definite fired power generating unit mark post Value Data - Google Patents

A kind of method and apparatus of definite fired power generating unit mark post Value Data Download PDF

Info

Publication number
CN107977527A
CN107977527A CN201711366334.0A CN201711366334A CN107977527A CN 107977527 A CN107977527 A CN 107977527A CN 201711366334 A CN201711366334 A CN 201711366334A CN 107977527 A CN107977527 A CN 107977527A
Authority
CN
China
Prior art keywords
mark post
value data
post value
group
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711366334.0A
Other languages
Chinese (zh)
Other versions
CN107977527B (en
Inventor
彭峰
黎俊飞
王志军
李敬原
易晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Resources Power Hubei Co Ltd
Original Assignee
China Resources Power Hubei Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Resources Power Hubei Co Ltd filed Critical China Resources Power Hubei Co Ltd
Priority to CN201711366334.0A priority Critical patent/CN107977527B/en
Publication of CN107977527A publication Critical patent/CN107977527A/en
Application granted granted Critical
Publication of CN107977527B publication Critical patent/CN107977527B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00—Computer-aided design [CAD]
    • G06F30/20—Design optimisation, verification or simulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The embodiment of the invention discloses a kind of method and apparatus of definite fired power generating unit mark post Value Data, the corresponding operation data of every group of mark post Value Data are obtained；It is poor according to operation data and the corresponding unit consumption of mark post Value Data, it is poor that the corresponding economic consumption of every group of mark post Value Data is calculated；Process ability analysis is carried out to the main steam pressure force value in preset time, obtains the corresponding stability of every group of mark post Value Data；According to the safety index overtime and environmental protection index overtime obtained, the corresponding safety collar value preserving of every group of mark post Value Data is calculated；By the comprehensive analysis to economy, stability and safety and environmental protection, so as to select one group of optimal mark post Value Data.By setting multigroup mark post Value Data, quantization judgement is carried out to the operating status of fired power generating unit, so as to select one group of optimal mark post Value Data, realizes the combustion adjustment optimization to fired power generating unit.

Description

A kind of method and apparatus of definite fired power generating unit mark post Value Data
Technical field
The present invention relates to fired power generating unit assessment technique field, more particularly to a kind of definite fired power generating unit mark post Value Data Method and apparatus.
Background technology
The balancing method of unit economy is typically to use hundred-point emulation in traditional fossil-fired unit operation, and Small Indicators are competing Match is typically the important indicator chosen in unit operation, such as：Main steam pressure, main vapor (steam) temperature, flying dust boiler slag contain again The indexs such as carbon amounts, oxygen amount, vacuum, the average value in certain time are compared, in this, as the foundation of contest ranking.This method Simple, intuitive and it is easily achieved, therefore is widely used in thermal power plant.But this method cannot intuitively reflect main economic parameter The influence for unit economy is fluctuated, and the concrete unit for the drawing each economic parameters consumption that cannot be quantified is poor, operation operation Often attend to one thing and lose sight of another, also just can not accurate instruction run and draw close toward most economical operation.
Meanwhile also have using the poor method of consumption to weigh operations staff's period operation economy on duty.Pass through the statistics side of science Method, which filters out, influences unit the big operation operations factor of economy and intermediate variable, and the method by testing and calculating is drawn Operations factor and economic indicator the unit consumption that every unit is adapted are poor, then to being operated in operations staff's unit interval period on duty The consumption difference that the comparison of operations factor and mark post value produces carries out integral contrast, to weigh the operation of operations staff to unit economy Influence it is horizontal.This method instructs operation operation with mark post Value Data, greatly improves unit economy.But simple The consumption difference economy of operations factor is analyzed, have ignored the stability of whole system, and operations factor mark post value is set in unit Standby change and the actual operability in the case that mark post value does not update, institute can not solve fire well in this way Motor group combustion adjustment optimization problem.
It is those skilled in the art's urgent problem to be solved as it can be seen that how to realize the combustion adjustment optimization to fired power generating unit.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of method and apparatus of definite fired power generating unit mark post Value Data, Ke Yishi Now the combustion adjustment of fired power generating unit is optimized.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of method of definite fired power generating unit mark post Value Data, Including：
Obtain the corresponding operation data of fired power generating unit under different groups of mark post Value Datas；
It is poor according to the operation data and the corresponding unit consumption of mark post Value Data, every group of mark post Value Data pair is calculated The economic consumption answered is poor；
Process ability analysis is carried out to the main steam pressure force value in the operation data in preset time, obtains every group of mark post The corresponding stability of Value Data；
According to fired power generating unit corresponding safety index overtime and the ring under different mark post Value Data storehouses obtained The index overtime is protected, the corresponding safety collar value preserving of every group of mark post Value Data is calculated；
According to each group mark post Value Data it is corresponding it is described it is economical consume poor, described stability and safety collar value preserving, from each One group of target mark post Value Data is selected in the group mark post Value Data.
Optionally, it is described poor according to the corresponding unit consumption of the operation data and mark post Value Data storehouse, it is calculated every The corresponding economic consumption difference of group mark post Value Data includes：
According to formula(economic indicator i units consumption difference * AVERAGEi), it is corresponding to calculate one group of mark post Value Data One economic consumption difference H；
Wherein, k represents the total number of economic indicator, and AVERAGEi represents that i-th of economy refers under the mark post Value Data Mark, it is poor that every group of mark post Value Data has its corresponding economic indicator unit to consume, and it is carbon containing that the economic indicator includes the boiler fly ash Amount, the boiler slag phosphorus content and it is described operation data include main vapour pressure, Stream temperature degree, reheat steam temperature, Station service power consumption rate, condenser vacuum, exhaust gas temperature, boiler exhaust gas oxygen content.
Optionally, the main steam pressure force value in the operation data in preset time carries out process ability analysis, Obtaining the corresponding stability of every group of mark post Value Data includes：
According to formulaCalculate the corresponding stream of one group of mark post Value Data Journey Capability index CPK；According to formula S=CPK*100%, the stability S of the fired power generating unit under the mark post Value Data is calculated；
Wherein, USL represents the upper limit value of main steam pressure, and LSL represents the lower limit of main steam pressure, X0.5Described in expression The corresponding median of the main steam pressure force value in preset time, X0.995Represent the main steam pressure in the preset time Corresponding 0.995 quantile of force value, X0.005Represent the corresponding 0.005 point of position of the main steam pressure force value in the preset time Number.
Optionally, it is described to surpass according to the corresponding safety index of fired power generating unit under different mark post Value Data storehouses obtained Between in limited time and the environmental protection index overtime, the corresponding safety collar value preserving of every group of mark post Value Data, which is calculated, to be included：
According to formulaCalculate one group of mark post The corresponding safety collar value preserving EHS of Value Data；
Wherein, n represents the total number of safety index, and m represents the total number of environmental protection index；Every group of mark post Value Data has that its is right The safety index overtime and environmental protection index overtime answered, the safety index include Stream temperature degree, main vapour pressure, reheating Device temperature, boiler heat exchange facial canal wall metal temperature, condenser vacuum；The environmental protection index includes smoke evacuation amount of NOx, smoke evacuation dust Content, smoke evacuation sulfur content.
Optionally, further include：
According to the target mark post Value Data, the corresponding mark post value of each operations factor in adjustment mark post Value Data storehouse.
The embodiment of the present invention additionally provides a kind of device of definite fired power generating unit mark post Value Data, including acquiring unit, warp The poor computing unit of Ji consumption, stability computing unit, safety collar value preserving computing unit and selection unit；
The acquiring unit, for obtaining the corresponding operation data of fired power generating unit under different groups of mark post Value Datas；
The poor computing unit of economic consumption, for according to the operation data and the corresponding unit consumption of mark post Value Data Difference, it is poor to be calculated the corresponding economic consumption of every group of mark post Value Data；
The stability computing unit, for being flowed to the main steam pressure force value in the operation data in preset time Journey capability analysis, obtains the corresponding stability of every group of mark post Value Data；
The safety collar value preserving computing unit, for the fired power generating unit under different mark post Value Data storehouses according to acquisition each Corresponding safety index overtime and environmental protection index overtime, are calculated the corresponding safety of every group of mark post Value Data Environmental protection value；
The selection unit, for consuming poor, described stability and institute according to the corresponding economy of each group mark post Value Data Safety collar value preserving is stated, one group of target mark post Value Data is selected from mark post Value Data described in each group.
Optionally, the poor computing unit of economic consumption is specifically used for according to formula(economic indicator i units consumption difference * AVERAGEi), the corresponding economic consumption difference H of one group of mark post Value Data is calculated；
Wherein, k represents the total number of economic indicator, and AVERAGEi represents that i-th of economy refers under the mark post Value Data Mark, it is poor that every group of mark post Value Data has its corresponding economic indicator unit to consume, and it is carbon containing that the economic indicator includes the boiler fly ash Amount, the boiler slag phosphorus content and it is described operation data include main vapour pressure, Stream temperature degree, reheat steam temperature, Station service power consumption rate, condenser vacuum, exhaust gas temperature, boiler exhaust gas oxygen content.
Optionally, the stability computing unit is specifically used for according to formula Calculate the corresponding process ability index CPK of one group of mark post Value Data；According to formula S=CPK*100%, calculate in the mark The stability S of fired power generating unit under bar Value Data；
Wherein, USL represents the upper limit value of main steam pressure, and LSL represents the lower limit of main steam pressure, X0.5Described in expression The corresponding median of the main steam pressure force value in preset time, X0.995Represent the main steam pressure in the preset time Corresponding 0.995 quantile of force value, X0.005Represent the corresponding 0.005 point of position of the main steam pressure force value in the preset time Number.
Optionally, the safety collar value preserving computing unit is specifically used for according to formulaIt is one corresponding to calculate one group of mark post Value Data Safety collar value preserving EHS；
Wherein, n represents the total number of safety index, and m represents the total number of environmental protection index；Every group of mark post Value Data has that its is right The safety index overtime and environmental protection index overtime answered, the safety index include Stream temperature degree, main vapour pressure, reheating Device temperature, boiler heat exchange facial canal wall metal temperature, condenser vacuum；The environmental protection index includes smoke evacuation amount of NOx, smoke evacuation dust Content, smoke evacuation sulfur content.
Optionally, adjustment unit, the adjustment unit, for according to the target mark post Value Data, adjustment mark are further included The corresponding mark post value of each operations factor in bar Value Data storehouse.
The corresponding operation of fired power generating unit under different groups of mark post Value Datas is obtained it can be seen from above-mentioned technical proposal Data；It is poor according to operation data and the corresponding unit consumption of mark post Value Data, every group of mark post Value Data corresponding one is calculated A economic consumption is poor；Process ability analysis is carried out to the main steam pressure force value in the operation data in preset time, obtains every group The corresponding stability of mark post Value Data；According to the corresponding peace of fired power generating unit under different mark post Value Data storehouses obtained All referring to mark overtime and environmental protection index overtime, the corresponding safety collar value preserving of every group of mark post Value Data is calculated； According to each group mark post Value Data poor, the described stability of the corresponding economic consumption and safety collar value preserving, from mark described in each group One group of target mark post Value Data is selected in bar Value Data.By setting multigroup mark post Value Data, the economy according to fired power generating unit Consume poor, stability and safety collar to preserve value, quantization judgement carried out to the operating status of fired power generating unit, thus select one group it is optimal Mark post Value Data, realizes the combustion adjustment optimization to fired power generating unit.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people For member, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of flow chart of the method for definite fired power generating unit mark post Value Data provided in an embodiment of the present invention；
Fig. 2 is a kind of structure diagram of the device of definite fired power generating unit mark post Value Data provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment only part of the embodiment of the present invention, rather than whole embodiments.Based on this Embodiment in invention, without making creative work, what is obtained is every other by those of ordinary skill in the art Embodiment, belongs to the scope of the present invention.
In order to make those skilled in the art more fully understand the present invention program, with reference to the accompanying drawings and detailed description The present invention is described in further detail.
Next, a kind of method for definite fired power generating unit mark post Value Data that the embodiment of the present invention is provided is discussed in detail. Fig. 1 is a kind of flow chart of the method for definite fired power generating unit mark post Value Data provided in an embodiment of the present invention, and this method includes：
S101：Obtain the corresponding operation data of fired power generating unit under different groups of mark post Value Datas.
Every group of mark post Value Data includes multiple operations factors, and mark post value is used for the value for representing operations factor.Mark post value Data can have an impact the operating status of unit, and under different mark post values, the operation data of the fired power generating unit of acquisition are Difference, in order to select optimal mark post Value Data, in embodiments of the present invention, can by setting multigroup mark post Value Data, Economic according to fired power generating unit consumes poor, stability and safety collar value preserving, and quantization judgement is carried out to the operating status of fired power generating unit, from And select one group of optimal mark post Value Data.
In the concrete realization, sensor, field instrument, programmable logic controller (PLC) (Programmable can be utilized Logic Controller, PLC), the operation data of the collection fired power generating unit such as assay platform；Sensor is to fired power generating unit pressure The parameter measurements such as power, temperature, flow and the device for being transferred to a distant place, at the major-minor equipment of unit and associated conduit valve, by Multiple measuring point compositions；Field instrument is to be used for the parameter measurements such as fired power generating unit pressure, temperature, flow, and in the dress shown on the spot Put；PLC is programmable logic controller (PLC), is generally used for the measurement, control and transmission equipment related data of field device to a distant place Device；Assay platform is the device that power plant is used to chemically examine the parameters such as coal quality, flying dust boiler slag phosphorus content, Steam-water Quality.
Monitoring information system (Supervisory can be used by determining the system of fired power generating unit mark post Value Data Information System, SIS) or discrete control system (Distributed Control System, DCS), obtain simultaneously Storage is from sensor, field instrument, PLC device, the operation data of assay platform.
The mark post value of setting is different, and the operation data of the fired power generating unit of acquisition can have differences, namely every group of mark post value number According to there is its corresponding operation data.
For the number of mark post Value Data, it can be set according to actual demand, not limited herein.Introduced to be follow-up Aspect, is unfolded to introduce exemplified by setting three groups of mark post Value Datas.
Under one group of mark post Value Data, the operation data of acquisition can be carbon containing including boiler flyash carbon content, boiler slag Amount, main vapour pressure, Stream temperature degree, reheat steam temperature, station service power consumption rate, condenser vacuum, exhaust gas temperature, boiler exhaust gas contain These parameters such as oxygen amount.In embodiments of the present invention, for boiler flyash carbon content, boiler slag phosphorus content, it can utilize and build Vertical flying dust, boiler slag carbon content prediction model model, analyze the operation data of acquisition, obtain online real-time flying dust, Boiler slag phosphorus content.
Foundation for flying dust, boiler slag carbon content prediction model, can use all-purpose computer, transfer different groups of mark post values The corresponding operation data of fired power generating unit under data, using the method for neural net model establishing, will run the change of operation and border Change and the influence relation of flying dust boiler slag phosphorus content is drawn, that is, establish flying dust, boiler slag carbon content prediction model.S102：According to It is poor according to the operation data and the corresponding unit consumption of mark post Value Data, the corresponding warp of every group of mark post Value Data is calculated Ji consumption is poor.
In embodiments of the present invention, the economic indicator having a great influence to thermal power unit operation can be chosen, carries out economic consumption The calculating of difference.
In the concrete realization, the economic indicator of selection can include main vapour pressure, Stream temperature degree, reheat steam temperature, factory Power consumption rate, condenser vacuum, exhaust gas temperature, boiler flyash carbon content, boiler slag phosphorus content, boiler exhaust gas oxygen content Deng.
It should be noted that in addition to 9 economic indicators of above-mentioned introduction, it can also according to the actual requirements increase or delete phase The economic indicator answered.
In embodiments of the present invention, can be poor as the economic consumption of fired power generating unit using the sum of consumption difference of each economic indicator, its In, the consumption difference of each economic indicator can be taken by being averaged for the economic indicator in its corresponding unit consumption difference and operation data Value is calculated.It is poor by calculating economic consumption, quantization judgement can be carried out to the economy of fired power generating unit, economy consumption difference is smaller, Illustrate that the economy of fired power generating unit is better.
Specifically, can be according to formulaCalculate one group of mark post The corresponding economic consumption difference H of Value Data.
Wherein, k represents the total number of economic indicator, and AVERAGEi represents that i-th of economy refers under the mark post Value Data Mark, it is poor that every group of mark post Value Data has its corresponding economic indicator unit to consume.
By taking 3 groups of mark post Value Datas as an example, first under identical coal, equipment border, load border, by organizing to try Test, allow operations staff in the case where ensureing unit safety, environmental protection, the map function adjustment side on the basis of mark post Value Data storehouse Method, every group of operation continued smooth run preset time, such as 15-20 minutes, flying dust, clinker chemical examination knot during real-time collecting experiment Fruit, background acquisition test during intermediate variable data, that is, economic indicator, under same boundary condition, organize three groups of experiments, so It is good and bad that the economy consumption difference of three groups of operating conditions is compared by the method for calculating afterwards.
Wherein, every group of mark post Value Data has its corresponding one economic consumption poor, by taking 3 groups of mark post Value Datas as an example, can incite somebody to action The corresponding economic consumption difference of this 3 groups of mark post Value Datas is represented with H (A), H (B) and H (C) successively.H (A)=Σ (1 units of economic indicator Consume 2 unit of difference * AVERAGE (1 gathered data of economic indicator in A mark post value test period sections)+economic indicator consumption difference * AVERAGE (2 gathered data of economic indicator in A mark post value test period sections)+... economic indicator k units consumption difference * AVERAGE (try by A mark posts value Test economic indicator k gathered datas in the period))；H (B)=Σ ((test 1 unit of economic indicator consumption difference * AVERAGE by B mark posts value 1 gathered data of economic indicator in period) 2 unit consumption difference * AVERAGE of+economic indicator (economy in B mark post value test period sections 2 gathered data of index)+... (economic indicator k gathers number to economic indicator k units consumption difference * AVERAGE in B mark post value test period sections According to))；H (C)=Σ (1 unit of economic indicator consumption difference * AVERAGE (1 gathered data of economic indicator in C mark post value test period sections) 2 unit of+economic indicator consumption difference * AVERAGE (2 gathered data of economic indicator in C mark post value test period sections)+... economic indicator k Unit consumption difference * AVERAGE (economic indicator k gathered datas in C mark post value test period sections)) boiler flyash carbon content boiler slag Phosphorus content.
H (A), H (B), H (C) are compared, choose minimum value, draws the minimum economic consumption of experiment period three group operating mode Difference, so that it is determined that three groups of operating mode economy power consumption analysis results of experiment.The economy power consumption analysis, it is contemplated that flying dust clinker, And station service power consumption rate, vacuum etc. have a great influence intermediate variable parameter consumption difference, preferably ensure that mark post value truly passes through unit The adaptability of Ji property.
S103：Process ability analysis is carried out to the main steam pressure force value in the operation data in preset time, is obtained every The corresponding stability of group mark post Value Data.
By analyzing the operation data collected during test of many times, finding out can most characterize in set steady Between variable, calculate the stability S of unit during experiment, determine the corresponding analysis of stability of different group mark post Value Datas of experiment Analyse result.By comparing the analysis of the process ability of test data, take into account each Analog control automatic performance of machine unit characteristic, DCS, CCS can select main steam pressure force value as measurement in embodiments of the present invention from dynamic characteristic, primary frequency modulation acting characteristic etc. Middle Jie's variable parameter of set steady.The stabilization of unit is characterized based on the process ability system of main steam pressure force value Property.
Process ability refers to the ability that enterprise's working condition is met customer need, and is generally used for industrial production line.Flow energy The ratio of the product quality that the existing production procedure of power exponential representation possesses and the desired product quality of client.Process ability coefficient CPK is bigger, represents requirement of the performance closer to client of product, calculates corresponding stability according to process ability index, surely Fixed degree is bigger, illustrates that the stability of fired power generating unit is better.
Specifically, can be according to formulaCalculate one group of mark post value number According to corresponding process ability index CPK；According to formula S=CPK*100%, the fired power generating unit under the mark post Value Data is calculated Stability S；
Wherein, USL represents the upper limit value of main steam pressure, and LSL represents the lower limit of main steam pressure, X0.5Described in expression The corresponding median of the main steam pressure force value in preset time, X0.995Represent the main steam pressure in the preset time Corresponding 0.995 quantile of force value, X0.005Represent the corresponding 0.005 point of position of the main steam pressure force value in the preset time Number.
By taking 3 groups of mark post Value Datas as an example, stability S (A)=CPK (A) * 100% of three groups of operating modes is calculated；S (B)=CPK (B) * 100%；S (C)=CPK (C) * 100%.S (A), S (B), S (C) are compared, choose maximum, show that system is stablized The optimal operations factor mark post value of property, determines stability test analysis result.
S104：According to the fired power generating unit corresponding safety index overtime under different mark post Value Data storehouses obtained With the environmental protection index overtime, the corresponding safety collar value preserving of every group of mark post Value Data is calculated.
Different mark post values, the operating condition of unit is different, its overtime is different, in embodiments of the present invention can be with Each index is monitored using SIS systems, accumulative summation is carried out beyond the time of limit value to index.The wherein limit of index Definite value, is subject to power plant's regulatory requirements.
At present, unit safe and environment-friendly requirement and economy, stability requirement it is of equal importance.In embodiments of the present invention, The safe and environment-friendly feature of operating mode can be assessed with the sum of unit important safety index and environmental protection index overtime.Specifically, Can be according to formulaCalculate one group of mark post value number According to corresponding safety collar value preserving EHS；
Wherein, n represents the total number of safety index, and m represents the total number of environmental protection index；Every group of mark post Value Data has that its is right The safety index overtime and environmental protection index overtime answered, the safety index include Stream temperature degree, main vapour pressure, reheating Device temperature, boiler heat exchange facial canal wall metal temperature, condenser vacuum；The environmental protection index includes smoke evacuation amount of NOx, smoke evacuation dust Content, smoke evacuation sulfur content.
Every group of mark post Value Data has its corresponding safety collar value preserving, by taking 3 groups of mark post Value Datas as an example, can by this 3 The corresponding safety collar value preserving of group mark post Value Data is successively with EHS (A), EHS (B) and EHS (C) expressions, EHS (A)=safety index 1 2 overtime of overtime+safety index+... the safety index n overtimes+1 overtime of environmental protection index+environmental protection index 2 Overtime+...+environmental protection index m overtimes；EHS (B)=1 overtime of safety index+2 overtime of safety index + ... the safety index n overtimes+1 overtime of environmental protection index+2 overtime of environmental protection index+...+environmental protection index m transfinites Time；EHS (C)=1 overtime of safety index+2 overtime of safety index+... safety index n overtimes+environmental protection refers to Marked for 1 overtime+2 overtime of environmental protection index+...+environmental protection index m overtimes.Then compare three groups of operating modes safety, Environmental protection index, select index it is minimum to be optimal.
It should be noted that above-mentioned S102, S103 and S104 are three relatively independent calculation procedures, implement in the present invention Its sequencing is not limited in example, for example, in the concrete realization, may be performed simultaneously S102, S103 and S104 these three Step.
S105：Preserve value according to each group mark post Value Data poor, the described stability of the corresponding economic consumption and the safety collar, One group of target mark post Value Data is selected from mark post Value Data described in each group.
Can be in terms of economy, stability and safety and environmental protection 3 to fire by the operation of above-mentioned S102, S103 and S104 The operating condition of motor group carries out quantitative analysis, in embodiments of the present invention, can carry out comprehensive analysis to this 3 aspects, from And filter out one group of optimal mark post Value Data.
By taking 3 groups of mark post Value Datas (being respectively A mark posts value, B mark posts value and C mark posts value) as an example, its corresponding analytical conclusions As shown in table 1,
Table 1
Wherein, in table 1 by taking 3 kinds of analysis results being likely to occur as an example, for economy H analytical conclusions, indicate " √ " This group of mark post value is one group of mark post value that economy is best in this 3 groups of mark post values；For stability S analytical conclusions, indicate " √ " This group of mark post value be the best one group of mark post value of stability in this 3 groups of mark post values；Analyze and tie for environmental protection EHS safe for operation By this group of mark post value for indicating " √ " is one group of mark post value that safety and environmental protection performance is best in this 3 groups of mark post values.When one group of mark post , then can be using this group of mark post Value Data as target mark post value when belonging to optimum state in terms of having 2 in terms of being worth corresponding 3 Data.
The corresponding operation of fired power generating unit under different groups of mark post Value Datas is obtained it can be seen from above-mentioned technical proposal Data；It is poor according to operation data and the corresponding unit consumption of mark post Value Data, every group of mark post Value Data corresponding one is calculated A economic consumption is poor；Process ability analysis is carried out to the main steam pressure force value in the operation data in preset time, obtains every group The corresponding stability of mark post Value Data；According to the corresponding peace of fired power generating unit under different mark post Value Data storehouses obtained All referring to mark overtime and environmental protection index overtime, the corresponding safety collar value preserving of every group of mark post Value Data is calculated； According to each group mark post Value Data poor, the described stability of the corresponding economic consumption and safety collar value preserving, from mark described in each group One group of target mark post Value Data is selected in bar Value Data.By setting multigroup mark post Value Data, the economy according to fired power generating unit Consume poor, stability and safety collar to preserve value, quantization judgement carried out to the operating status of fired power generating unit, thus select one group it is optimal Mark post Value Data, realizes the combustion adjustment optimization to fired power generating unit.
After selecting one group of optimal mark post Value Data, transported for the ease of follow-up fired power generating unit according to this group of mark post Value Data OK, according to the target mark post Value Data, can be adjusted using this group of mark post Value Data as optimized parameter in mark post Value Data storehouse The corresponding mark post value of each operations factor.Fig. 2 is a kind of definite fired power generating unit mark post Value Data provided in an embodiment of the present invention The structure diagram of device, including acquiring unit 21, the poor computing unit 22 of economic consumption, stability computing unit 23, safety and environmental protection It is worth computing unit 24 and chooses unit 25；
The acquiring unit 21, for obtaining the corresponding operation number of fired power generating unit under different groups of mark post Value Datas According to；
The poor computing unit 22 of economic consumption, for according to the operation data and the corresponding unit consumption of mark post Value Data Difference, it is poor to be calculated the corresponding economic consumption of every group of mark post Value Data；
The stability computing unit 23, for being carried out to the main steam pressure force value in the operation data in preset time Process ability is analyzed, and obtains the corresponding stability of every group of mark post Value Data；
The safety collar value preserving computing unit 24, for each according to the fired power generating unit under different mark post Value Data storehouses obtained Self-corresponding safety index overtime and environmental protection index overtime, are calculated the corresponding peace of every group of mark post Value Data Loopful preserves value；
The selection unit 25, for according to each group mark post Value Data it is corresponding it is described it is economical consume poor, described stability and The safety collar value preserving, selects one group of target mark post Value Data from mark post Value Data described in each group.
Optionally, the poor computing unit of economic consumption is specifically used for according to formula(economic indicator i units consumption difference * AVERAGEi), the corresponding economic consumption difference H of one group of mark post Value Data is calculated；
Wherein, k represents the total number of economic indicator, and AVERAGEi represents that i-th of economy refers under the mark post Value Data Mark, it is poor that every group of mark post Value Data has its corresponding economic indicator unit to consume, and it is carbon containing that the economic indicator includes the boiler fly ash Amount, the boiler slag phosphorus content and it is described operation data include main vapour pressure, Stream temperature degree, reheat steam temperature, Station service power consumption rate, condenser vacuum, exhaust gas temperature, boiler exhaust gas oxygen content.
Optionally, the stability computing unit is specifically used for according to formula Calculate the corresponding process ability index CPK of one group of mark post Value Data；According to formula S=CPK*100%, calculate in the mark The stability S of fired power generating unit under bar Value Data；
Wherein, USL represents the upper limit value of main steam pressure, and LSL represents the lower limit of main steam pressure, X0.5Described in expression The corresponding median of the main steam pressure force value in preset time, X0.995Represent the main steam pressure in the preset time Corresponding 0.995 quantile of force value, X0.005Represent the corresponding 0.005 point of position of the main steam pressure force value in the preset time Number.
Optionally, the safety collar value preserving computing unit is specifically used for according to formulaIt is one corresponding to calculate one group of mark post Value Data Safety collar value preserving EHS；
Wherein, n represents the total number of safety index, and m represents the total number of environmental protection index；Every group of mark post Value Data has that its is right The safety index overtime and environmental protection index overtime answered, the safety index include Stream temperature degree, main vapour pressure, reheating Device temperature, boiler heat exchange facial canal wall metal temperature, condenser vacuum；The environmental protection index includes smoke evacuation amount of NOx, smoke evacuation dust Content, smoke evacuation sulfur content.
Optionally, adjustment unit, the adjustment unit, for according to the target mark post Value Data, adjustment mark are further included The corresponding mark post value of each operations factor in bar Value Data storehouse.
The explanation of feature may refer to the related description of embodiment corresponding to Fig. 1 in embodiment corresponding to Fig. 2, here no longer Repeat one by one.
The corresponding operation of fired power generating unit under different groups of mark post Value Datas is obtained it can be seen from above-mentioned technical proposal Data；It is poor according to operation data and the corresponding unit consumption of mark post Value Data, every group of mark post Value Data corresponding one is calculated A economic consumption is poor；Process ability analysis is carried out to the main steam pressure force value in the operation data in preset time, obtains every group The corresponding stability of mark post Value Data；According to the corresponding peace of fired power generating unit under different mark post Value Data storehouses obtained All referring to mark overtime and environmental protection index overtime, the corresponding safety collar value preserving of every group of mark post Value Data is calculated； According to each group mark post Value Data poor, the described stability of the corresponding economic consumption and safety collar value preserving, from mark described in each group One group of target mark post Value Data is selected in bar Value Data.By setting multigroup mark post Value Data, the economy according to fired power generating unit Consume poor, stability and safety collar to preserve value, quantization judgement carried out to the operating status of fired power generating unit, thus select one group it is optimal Mark post Value Data, realizes the combustion adjustment optimization to fired power generating unit.
A kind of method and apparatus of the definite fired power generating unit mark post Value Data provided above the embodiment of the present invention carries out It is discussed in detail.Each embodiment is described by the way of progressive in specification, what each embodiment stressed be and its The difference of his embodiment, between each embodiment identical similar portion mutually referring to.For dress disclosed in embodiment For putting, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related part is referring to method part Explanation.It should be pointed out that for those skilled in the art, the premise of the principle of the invention is not being departed from Under, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into the protection of the claims in the present invention In the range of.
Professional further appreciates that, with reference to each exemplary unit of the embodiments described herein description And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and The interchangeability of software, generally describes each exemplary composition and step according to function in the above description.These Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical solution.Specialty Technical staff can realize described function to each specific application using distinct methods, but this realization should not Think beyond the scope of this invention.
Can directly it be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.

Claims (10)

  1. A kind of 1. method of definite fired power generating unit mark post Value Data, it is characterised in that including：
    Obtain the corresponding operation data of fired power generating unit under different groups of mark post Value Datas；
    It is poor according to the operation data and the corresponding unit consumption of mark post Value Data, it is corresponding that every group of mark post Value Data is calculated One economic consumption is poor；
    Process ability analysis is carried out to the main steam pressure force value in the operation data in preset time, obtains every group of mark post value number According to a corresponding stability；
    Refer to according to fired power generating unit corresponding safety index overtime and the environmental protection under different mark post Value Data storehouses obtained The overtime is marked, the corresponding safety collar value preserving of every group of mark post Value Data is calculated；
    According to each group mark post Value Data poor, the described stability of the corresponding economic consumption and safety collar value preserving, from each group institute State and one group of target mark post Value Data is selected in mark post Value Data.
  2. It is 2. according to the method described in claim 1, it is characterized in that, described according to the operation data and mark post Value Data storehouse Corresponding unit consumption is poor, and the corresponding economic consumption difference of every group of mark post Value Data, which is calculated, to be included：
    According to formulaIt is one corresponding to calculate one group of mark post Value Data Economy consumption difference H；
    Wherein, k represents the total number of economic indicator, and AVERAGEi represents i-th of economic indicator under the mark post Value Data, often It is poor that group mark post Value Data has its corresponding economic indicator unit to consume, and the economic indicator includes the boiler flyash carbon content, institute State main vapour pressure, Stream temperature degree, reheat steam temperature, the station service that boiler slag phosphorus content and the operation data include Rate, condenser vacuum, exhaust gas temperature, boiler exhaust gas oxygen content.
  3. 3. the according to the method described in claim 1, it is characterized in that, main steaming in the operation data in preset time Vapour pressure force value carries out process ability analysis, and obtaining the corresponding stability of every group of mark post Value Data includes：
    According to formulaCalculate the corresponding flow energy of one group of mark post Value Data Power index CPK；According to formula S=CPK*100%, the stability S of the fired power generating unit under the mark post Value Data is calculated；
    Wherein, USL represents the upper limit value of main steam pressure, and LSL represents the lower limit of main steam pressure, X0.5Represent described default The corresponding median of the main steam pressure force value in time, X0.995Represent the main steam pressure force value in the preset time Corresponding 0.995 quantile, X0.005Represent corresponding 0.005 quantile of the main steam pressure force value in the preset time.
  4. It is 4. according to the method described in claim 1, it is characterized in that, described fiery under different mark post Value Data storehouses according to obtaining Motor group corresponding safety index overtime and environmental protection index overtime, are calculated every group of mark post Value Data and correspond to A safety collar value preserving include：
    According to formulaCalculate one group of mark post value number According to corresponding safety collar value preserving EHS；
    Wherein, n represents the total number of safety index, and m represents the total number of environmental protection index；Every group of mark post Value Data has that its is corresponding Safety index overtime and environmental protection index overtime, the safety index include Stream temperature degree, main vapour pressure, reheater temperature Degree, boiler heat exchange facial canal wall metal temperature, condenser vacuum；The environmental protection index includes smoke evacuation amount of NOx, smoke evacuation dust contains Amount, smoke evacuation sulfur content.
  5. 5. according to the method described in claim 1-4 any one, it is characterised in that further include：
    According to the target mark post Value Data, the corresponding mark post value of each operations factor in adjustment mark post Value Data storehouse.
  6. 6. a kind of device of definite fired power generating unit mark post Value Data, it is characterised in that calculated including acquiring unit, economic consumption difference single Member, stability computing unit, safety collar value preserving computing unit and selection unit；
    The acquiring unit, for obtaining the corresponding operation data of fired power generating unit under different groups of mark post Value Datas；
    The poor computing unit of economic consumption, for poor, the meter according to the operation data and the corresponding unit consumption of mark post Value Data It is poor that calculation obtains the corresponding economic consumption of every group of mark post Value Data；
    The stability computing unit, for carrying out flow energy to the main steam pressure force value in the operation data in preset time Power is analyzed, and obtains the corresponding stability of every group of mark post Value Data；
    The safety collar value preserving computing unit, for each being corresponded to according to the fired power generating unit under different mark post Value Data storehouses obtained Safety index overtime and environmental protection index overtime, the corresponding safety and environmental protection of every group of mark post Value Data is calculated Value；
    The selection unit, for according to each group mark post Value Data poor, the described stability of the corresponding economic consumption and the peace Loopful preserves value, and one group of target mark post Value Data is selected from mark post Value Data described in each group.
  7. 7. device according to claim 6, it is characterised in that the economic poor computing unit of consumption is specifically used for according to formulaCalculate the corresponding economic consumption difference H of one group of mark post Value Data；
    Wherein, k represents the total number of economic indicator, and AVERAGEi represents i-th of economic indicator under the mark post Value Data, often It is poor that group mark post Value Data has its corresponding economic indicator unit to consume, and the economic indicator includes the boiler flyash carbon content, institute State main vapour pressure, Stream temperature degree, reheat steam temperature, the station service that boiler slag phosphorus content and the operation data include Rate, condenser vacuum, exhaust gas temperature, boiler exhaust gas oxygen content.
  8. 8. device according to claim 7, it is characterised in that the stability computing unit is specifically used for according to formulaCalculate the corresponding process ability index CPK of one group of mark post Value Data；Root According to formula S=CPK*100%, the stability S of the fired power generating unit under the mark post Value Data is calculated；
    Wherein, USL represents the upper limit value of main steam pressure, and LSL represents the lower limit of main steam pressure, X0.5Represent described default The corresponding median of the main steam pressure force value in time, X0.995Represent the main steam pressure force value in the preset time Corresponding 0.995 quantile, X0.005Represent corresponding 0.005 quantile of the main steam pressure force value in the preset time.
  9. 9. device according to claim 7, it is characterised in that the safety collar value preserving computing unit is specifically used for according to public affairs FormulaCalculate one group of mark post Value Data corresponding one A safety collar value preserving EHS；
    Wherein, n represents the total number of safety index, and m represents the total number of environmental protection index；Every group of mark post Value Data has that its is corresponding Safety index overtime and environmental protection index overtime, the safety index include Stream temperature degree, main vapour pressure, reheater temperature Degree, boiler heat exchange facial canal wall metal temperature, condenser vacuum；The environmental protection index includes smoke evacuation amount of NOx, smoke evacuation dust contains Amount, smoke evacuation sulfur content.
  10. 10. according to the device described in claim 6-9 any one, it is characterised in that further include adjustment unit, the adjustment is single Member, for according to the target mark post Value Data, the corresponding mark post value of each operations factor in adjustment mark post Value Data storehouse.
CN201711366334.0A 2017-12-18 2017-12-18 Method and device for determining benchmarking value data of thermal power generating unit Active CN107977527B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711366334.0A CN107977527B (en) 2017-12-18 2017-12-18 Method and device for determining benchmarking value data of thermal power generating unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711366334.0A CN107977527B (en) 2017-12-18 2017-12-18 Method and device for determining benchmarking value data of thermal power generating unit

Publications (2)

Publication Number Publication Date
CN107977527A true CN107977527A (en) 2018-05-01
CN107977527B CN107977527B (en) 2021-04-02

Family

ID=62006774

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711366334.0A Active CN107977527B (en) 2017-12-18 2017-12-18 Method and device for determining benchmarking value data of thermal power generating unit

Country Status (1)

Country Link
CN (1) CN107977527B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110889638A (en) * 2019-12-03 2020-03-17 华润电力技术研究院有限公司 Thermal power plant operation evaluation method and related equipment
CN112465242A (en) * 2020-12-03 2021-03-09 华润电力技术研究院有限公司 Thermal power plant operation optimization analysis method, device, equipment and storage medium
CN113095591A (en) * 2021-04-29 2021-07-09 中国大唐集团科学技术研究院有限公司中南电力试验研究院 Consumption difference analysis method for self-optimization of operation parameters of thermal power generating unit
CN113375187A (en) * 2021-06-24 2021-09-10 华润电力技术研究院有限公司 Coal supply amount overshoot method for reducing variable load process of coal-fired unit and related components
CN114088138A (en) * 2021-10-30 2022-02-25 国家能源集团华北电力有限公司廊坊热电厂 Power plant over-temperature and over-pressure monitoring system based on measuring points

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101082415A (en) * 2006-11-30 2007-12-05 长沙市朝槿科技有限公司 Method for real time centralized controlling electric generating set based on SO2 discharging
CN204163932U (en) * 2014-07-08 2015-02-18 北京光耀电力自动化有限公司 A kind of Wind turbines mark post generated energy computing system device
CN104504614A (en) * 2014-12-16 2015-04-08 华润电力湖北有限公司 Testing system and method for acquiring optimal controllable factors of thermal power plant
WO2015078494A1 (en) * 2013-11-27 2015-06-04 Siemens Aktiengesellschaft Technical information broker for power plants
CN106991515A (en) * 2016-12-19 2017-07-28 华电电力科学研究院 A kind of E grades of gas combustion-gas vapor combined cycle unit power consumption analysis method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101082415A (en) * 2006-11-30 2007-12-05 长沙市朝槿科技有限公司 Method for real time centralized controlling electric generating set based on SO2 discharging
WO2015078494A1 (en) * 2013-11-27 2015-06-04 Siemens Aktiengesellschaft Technical information broker for power plants
CN204163932U (en) * 2014-07-08 2015-02-18 北京光耀电力自动化有限公司 A kind of Wind turbines mark post generated energy computing system device
CN104504614A (en) * 2014-12-16 2015-04-08 华润电力湖北有限公司 Testing system and method for acquiring optimal controllable factors of thermal power plant
CN106991515A (en) * 2016-12-19 2017-07-28 华电电力科学研究院 A kind of E grades of gas combustion-gas vapor combined cycle unit power consumption analysis method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110889638A (en) * 2019-12-03 2020-03-17 华润电力技术研究院有限公司 Thermal power plant operation evaluation method and related equipment
CN110889638B (en) * 2019-12-03 2022-11-11 华润电力技术研究院有限公司 Thermal power plant operation evaluation method and related equipment
CN112465242A (en) * 2020-12-03 2021-03-09 华润电力技术研究院有限公司 Thermal power plant operation optimization analysis method, device, equipment and storage medium
CN113095591A (en) * 2021-04-29 2021-07-09 中国大唐集团科学技术研究院有限公司中南电力试验研究院 Consumption difference analysis method for self-optimization of operation parameters of thermal power generating unit
CN113095591B (en) * 2021-04-29 2023-03-21 中国大唐集团科学技术研究院有限公司中南电力试验研究院 Consumption difference analysis method for self-optimization of operation parameters of thermal power generating unit
CN113375187A (en) * 2021-06-24 2021-09-10 华润电力技术研究院有限公司 Coal supply amount overshoot method for reducing variable load process of coal-fired unit and related components
CN114088138A (en) * 2021-10-30 2022-02-25 国家能源集团华北电力有限公司廊坊热电厂 Power plant over-temperature and over-pressure monitoring system based on measuring points

Also Published As

Publication number Publication date
CN107977527B (en) 2021-04-02

Similar Documents

Publication Publication Date Title
CN107977527A (en) A kind of method and apparatus of definite fired power generating unit mark post Value Data
JP4270218B2 (en) Control device for control object having combustion device, and control device for plant having boiler
CN114640173B (en) Early warning model of transformer and generator based on many characteristic quantities
CN101221415B (en) Plant control apparatus
CN103761420B (en) Evaluation method for stepwise regression of thermal power equipment performances
CN101799661B (en) Control device of boiler plant and device for training operator
CN107243257A (en) It is adapted to the intelligence spray ammonia control system of full load
CN110263395A (en) The power plant's denitration running optimizatin method and system analyzed based on numerical simulation and data
CN106768068A (en) Fired power generating unit fire coal calorific value and consumption of standard coal for power generation index on-line monitoring system and method
CN108644752B (en) For analyzing the method, apparatus and machine readable storage medium of four main tubes of boiler leakage
CN109523180B (en) Coal consumption and heat supply online monitoring system of thermal power plant
CN104503406B (en) Thermal power plant optimizes postitallation evaluation system and method
CN104075341B (en) Low nitrogen burning control method and system based on feedback
CN104573307A (en) Power station condition online diagnosis and operation optimization system based on data coordination
CN107831651A (en) Coal dust station boiler SCR and SNCR denitration system cooperative control method
CN106649906A (en) Energy consumption analyzing method and system used for oil field gathering and transportation system
JP2016537729A (en) Method, system, and computer program product for analyzing generation processes and / or process engineering processes and / or process steps in a plant
CN105894706A (en) Forest fire prediction method and system
RU2541937C2 (en) Oil production data support and control method in real time and automated system for its implementation
CN116085823A (en) Boiler combustion control method and system
CN103714262B (en) A kind of thermal technology's soft-sensing model update method based on buffer stopper timing Design
CN109973159A (en) Determine the method and apparatus and machine readable storage medium of turbine low pressure cylinder flow
CN111584015A (en) Denitration system inlet NOx measurement delay estimation method and device
CN105320167B (en) Fired power generating unit main vapour pressure method for on-line optimization
CN110261693A (en) A kind of online thermal test method and system based on stable state sampling technique

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant