CN104537568A - Real-time on-line comprehensive assessment system of energy conservation and emission reduction performance of coal-fired power plant unit - Google Patents
Real-time on-line comprehensive assessment system of energy conservation and emission reduction performance of coal-fired power plant unit Download PDFInfo
- Publication number
- CN104537568A CN104537568A CN201410578575.1A CN201410578575A CN104537568A CN 104537568 A CN104537568 A CN 104537568A CN 201410578575 A CN201410578575 A CN 201410578575A CN 104537568 A CN104537568 A CN 104537568A
- Authority
- CN
- China
- Prior art keywords
- unit
- performance
- emission
- saving
- real
- 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.)
- Pending
Links
- 230000009467 reduction Effects 0.000 title abstract description 8
- 238000004134 energy conservation Methods 0.000 title abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 27
- 238000011156 evaluation Methods 0.000 claims description 36
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 28
- 239000003245 coal Substances 0.000 claims description 28
- 238000004364 calculation method Methods 0.000 claims description 23
- 239000000779 smoke Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 11
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 9
- 230000007613 environmental effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 238000010205 computational analysis Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 238000003303 reheating Methods 0.000 claims description 6
- 239000004071 soot Substances 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000000007 visual effect Effects 0.000 abstract description 2
- 238000013139 quantization Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010977 unit operation Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000005431 greenhouse gas Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000012854 evaluation process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 238000010223 real-time analysis Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012384 transportation and delivery Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
- G06Q10/063—Operations research, analysis or management
- G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/06—Energy or water supply
-
- 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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Landscapes
- Business, Economics & Management (AREA)
- Human Resources & Organizations (AREA)
- Engineering & Computer Science (AREA)
- Economics (AREA)
- Strategic Management (AREA)
- General Physics & Mathematics (AREA)
- Development Economics (AREA)
- Health & Medical Sciences (AREA)
- Educational Administration (AREA)
- Marketing (AREA)
- Entrepreneurship & Innovation (AREA)
- Theoretical Computer Science (AREA)
- Tourism & Hospitality (AREA)
- Physics & Mathematics (AREA)
- General Business, Economics & Management (AREA)
- Operations Research (AREA)
- Quality & Reliability (AREA)
- Game Theory and Decision Science (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Health & Medical Sciences (AREA)
- Primary Health Care (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a real-time on-line comprehensive assessment system of the energy conservation and emission reduction performance of a coal-fired power plant unit. The real-time one-line comprehensive assessment system comprises a data acquisition module, a business data processing and comprehensive assessment index computation module and a function application module, wherein the data acquisition module collects the operation data of the unit in real time and transmits the operation data of the unit to business data processing and comprehensive assessment index computation module; the business data processing and comprehensive assessment index computation module stores, calculates and analyzes the operation data of the unit, and transmits a performance index and a comprehensive performance index of energy conservation and emission reduction of each unit to the function application module, wherein the performance index and the comprehensive performance index are obtained by processing; and the function application module shows the performance index and the comprehensive performance index of the energy conservation and emission reduction of each unit. With the system provided by the invention, the operation data of the unit is collected in real time, and the comprehensive energy conservation and emission reduction performance of the unit is assessed in real time to realize the on-line visual comprehensive quantization assessment of an energy conservation and emission reduction effect of the unit.
Description
Technical field
The invention belongs to coal unit energy-saving and emission-reduction performance evaluation aspect, be specifically related to coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system.
Background technology
The unit energy-saving and emission-reduction performance evaluation of current coal-burning power plant mainly comprises two aspects: energy-saving and cost-reducing aspect and environmental protection aspect, wherein the main evaluation index in energy-saving and cost-reducing aspect comprises net coal consumption rate, station service power consumption rate, boiler efficiency, turbine heat rate rate etc., wherein net coal consumption rate index traditional algorithm adopts coal qualities test data to calculate, cannot survey online, the mode of therefore energy-conservation aspect index evaluation many employings off-line statistical computation is carried out; The environmental protection facility such as desulphurization and denitration, dedusting performance index are mainly assessed in environmental protection aspect, comprise removal efficiency, facility operational percentage, concentration of emission, discharge performance etc.
There are two aspect problems in above-mentioned coal-burning power plant's unit energy-saving and emission-reduction performance evaluation process:
Coal unit supervision of saving energy and reduce the cost depends on electricity power enterprise's reported data at present.
(1) relate to basic data in coal-burning power plant's unit net coal consumption rate computation process and report acquisition essentially by electricity power enterprise, authenticity, the accuracy of data can only be checked by modes such as spot checks, and the accuracy of data is difficult to ensure;
(2) lay particular emphasis on wherein a part or two parts in current coal-burning power plant's unit energy-saving and emission-reduction comprehensive assessment process to carry out separately, systematically do not realize two parts and organically blend, cause evaluation result to have one-sidedness.
Such as net coal consumption rate can not reflect the effects of energy saving and emission reduction of coal-burning power plant comprehensively, same unit, and whether desulphurization system puts into operation, and net coal consumption rate difference is larger.For 600MW grade coal unit, putting into operation of desulphurization system reaches 1% ~ 1.8% to the absolute value that affects of unit station service power consumption rate, 3% ~ 4%, the SCR impact of type denitrating system on unit station service power consumption rate that the impact of dust pelletizing system on unit station service power consumption rate accounts for total station service power consumption rate accounts for 3 ~ 5% of total station service power consumption rate; Same unit, after installing flue gas denitrification system additional, coal consumption can increase.Therefore, the evaluating system studying the Real-Time Monitoring coal-burning power plant unit energy-saving and emission-reduction of a kind of energy is needed.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, comprise data acquisition module, business data processing and comprehensive evaluation index computing module, function application module, by the Real-time Collection to data unit operation, the every crucial Con trolling index of on-line computer group, real-time assessment unit synthetic energy-saving discharge-reducing performance, to realize online, visual, the Comprehensive quantitative evaluation to unit effects of energy saving and emission reduction.
For solving the problem, the present invention specifically by the following technical solutions:
Coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, comprise data acquisition module, business data processing and comprehensive evaluation index computing module, function application module, the service data of described data acquisition module Real-time Collection unit also transfers to business data processing and comprehensive evaluation index computing module, business data processing and the service data of comprehensive evaluation index computing module to unit store, computation and analysis, and will the performance index of each unit drawn be processed, energy-saving and emission-reduction comprehensive performance index transfers to function application module, function application module is by the performance index of each unit, energy-saving and emission-reduction comprehensive performance index shows,
Described data acquisition module comprises the first data acquisition server, network isolating device, the second data acquisition server and data transmission network, the service data of described first data acquisition server Real-time Obtaining unit from information system of power plants, and transfer to network isolating device, after network isolating device detection, filtration, transfer to the second data acquisition server, then by data transmission network, the service data of the unit collected is uploaded to business data processing and comprehensive evaluation index computing module;
Described business data processing and comprehensive evaluation index computing module comprise main website acquisition server, live database server, historical database server and calculation server, described main website acquisition server receives the service data from the unit of data acquisition module, the service data of the unit that live database server real-time storage main website acquisition server receives, calculating analysis software is deployed with in advance in described calculation server, computational analysis is carried out to the service data of unit, described historical database server stores the Calculation results of each crew base configuration data and calculation server,
Described function application module comprises application server and WEB server, and the realization of application function is responsible for by described application server, and described WEB server is responsible for representing of business function and data.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, in described data acquisition module, the service data acquisition stream of unit is to for from information system of power plants to business data processing and comprehensive evaluation index computing module one-way communication.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, described information system of power plants is DCS system, SIS system or mis system.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, calculation server in described business data processing and comprehensive evaluation index computing module reads the service data of the unit collected in real time from live database server, obtains performance index and the energy-saving and emission-reduction comprehensive performance index of each unit by carrying out computational analysis to the real-time service data of unit.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, is characterized in that, comprise the following steps the computation process of the service data of unit:
Step 1, carries out boiler efficiency in line computation;
Step 2, carries out turbine heat rate rate, station service power consumption rate, net coal consumption rate calculating;
Step 3, carries out the calculating of environmental protection facility performance;
Step 4, export the result of calculation in step 1, step 2 and step 3, described result of calculation is the performance index of each unit;
Step 5, select unit net coal consumption rate, sulfur dioxide (SO2) emissions performance, discharged nitrous oxides performance, soot emissions performance as evaluation index, utilize the performance index of radar map technology to each unit obtained by step 4 comprehensively to analyze, obtain and export each unit energy-saving and emission-reduction comprehensive performance index.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, is characterized in that, in described step 1, carrying out boiler efficiency at the formula of line computation is:
η
gl=100-(q
2+ q
3+ q
4+ q
5+ q
6) formula 1
In formula: η
glfor boiler efficiency, q
2for heat loss due to exhaust gas, q
3for chemical unburned thermal loss, q
4for Mechanical adsorption, q
5for radiation loss, q
6for other thermal loss, wherein q
3, q
5and q
6all get definite value, when surveying oxygen content in exhaust smoke and being greater than 2%, q
3=0, when surveying oxygen content in exhaust smoke and being less than 2%, q
3=0.1, q
5get definite value 0.1, q
6get definite value 0.1.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, in described step 2, the formula carrying out the calculating of turbine heat rate rate is:
In formula: q is expressed as turbine heat rate rate, unit is kJ/kWh, D
0, D
rH, D
cR, D
fw, D
sHS, D
rHSbe expressed as steam turbine main steam, reheated steam, high pressure cylinder steam discharge, main feedwater, overheated desuperheating water, reheating attemperation water flow, unit is t/h, H
0, H
rH, H
cR, H
fw, H
sHS, H
rHSbe respectively main steam, reheated steam, high pressure cylinder steam discharge, main feedwater, overheated desuperheating water, reheating desuperheating water enthalpy, unit is kJ/kg; P
elfor generator power, unit is MW;
The formula carrying out the calculating of unit net coal consumption rate is:
In formula: b
gfor unit net coal consumption rate, q is expressed as turbine heat rate rate, η
glfor boiler efficiency, η
pfor system pipeline efficiency, e is station service power consumption rate;
The formula carrying out station service power consumption rate calculating is:
In formula: e is station service power consumption rate, P
grepresentative online power, P
elrepresent generator power.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, the performance index of each unit exported in described step 4 comprise boiler efficiency, turbine heat rate rate, station service power consumption rate, net coal consumption rate, sulfur dioxide emissioning concentration, sulfur dioxide (SO2) emissions performance, discharged nitrous oxides concentration, discharged nitrous oxides performance, smoke dust discharge concentration, soot emissions performance.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, described function application module adopts WEB mode to issue application function, comprises unit performance rank sequence under different dimensions, unit energy-saving and emission-reduction direction analyzes mark.
Aforesaid coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, described latitude comprises capacitance grade, device fabrication producer, unit pressure rating, area, group.
Beneficial effect of the present invention: coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system provided by the invention, it is a set of collection high-speed data acquisition, System of Comprehensive Evaluation manages, the functions such as diversification output are in web framework Real-Time Monitoring integrally and online evaluation system, this system mainly comprises data acquisition module, business data processing and comprehensive evaluation index computing module, function application module, by actual measurement data unit operation, Online statistics all unit energy-saving and emission-reduction index of correlation, and utilize comprehensive evaluation instrument, the energy-saving and emission-reduction comprehensive performance of real-time analysis unit, dimension is analyzed according to difference, unit energy-saving and emission-reduction index of correlation and comprehensive performance are sorted, mark is analyzed, for unit energy-saving and emission-reduction fine-grained management and Potential model are laid a good foundation.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, comprise data acquisition module, business data processing and comprehensive evaluation index computing module, function application module, the service data of described data acquisition module Real-time Collection unit also transfers to business data processing and comprehensive evaluation index computing module, business data processing and the service data of comprehensive evaluation index computing module to unit store, computation and analysis, and will the performance index of each unit drawn be processed, energy-saving and emission-reduction comprehensive performance index transfers to function application module, function application module is by the performance index of each unit, energy-saving and emission-reduction comprehensive performance index shows.
Concrete, described data acquisition module is the basis of whole system, mainly comprise the first data acquisition server, network isolating device, second data acquisition server and data transmission network, this module is installed on the integrated room of information system of power plants, by the service data of the first data acquisition server Real-time Obtaining unit from information system of power plants, and transfer to network isolating device, detect through network isolating device, the second data acquisition server is transferred to after filtration, then by data transmission network, the service data of the unit collected is uploaded to business data processing and comprehensive evaluation index computing module.Wherein, in described data acquisition module, the service data acquisition stream of unit is to for from information system of power plants to business data processing and comprehensive evaluation index computing module one-way communication, namely only allow the service data of unit to flow to the second data acquisition server from the first data acquisition server, be equipped with data acquisition software and data upload software in the first data acquisition server, the second data acquisition server to realize the collection of data and to upload; Described information system of power plants comprises Power Plant DCS (Distributed Control System) system, SIS (Supervisory Information System in plant level) system or MIS (Management Information System) system.
Described business data processing and comprehensive evaluation index computing module are the core link of this system, mainly comprise main website acquisition server, live database server, historical database server and calculation server, described main website acquisition server receives the service data from the unit of data acquisition module, namely by data transmission network, the service data of the unit collected is uploaded to main website acquisition server, the service data of the unit that live database server real-time storage main website acquisition server receives, relevant calculating analysis software is deployed with in advance in described calculation server, computational analysis is carried out to the service data of unit, with real-time assessment each unit energy-saving and emission-reduction performance, described historical database server stores the Calculation results of each crew base configuration data and calculation server, this Calculation results comprises Output rusults and each comprehensive performance index in the middle of business data processing,
In this module, calculation server reads the service data of the unit collected in real time from live database server, obtain performance index and the energy-saving and emission-reduction comprehensive performance index of each unit by carrying out computational analysis to the real-time service data of unit, the computation process of the service data of unit comprised the following steps:
Step 1, carry out boiler efficiency in line computation, computing formula is
η
gl=100-(q
2+ q
3+ q
4+ q
5+ q
6) formula 1
In formula: η
glfor boiler efficiency, q
2for heat loss due to exhaust gas, q
3for chemical unburned thermal loss, q
4for Mechanical adsorption, q
5for radiation loss, q
6for other thermal loss, wherein q
3, q
5and q
6all get definite value, when surveying oxygen content in exhaust smoke and being greater than 2%, q
3=0, when surveying oxygen content in exhaust smoke and being less than 2%, q
3=0.1, q
5get definite value 0.1, q
6get definite value 0.1.。
In addition, q
2, q
4calculating adopt conventional method calculate, usually, by measuring each flue gas composition volume fraction in smoke evacuation, calculate unit volume flue gas smoke evacuation enthalpy, meanwhile, according to each flue gas composition volume fraction in smoke evacuation, calculate the molal quantity that in stove fuel of coming in and going out, each element is corresponding, and generate liberated heat needed for unit volume flue gas, thus calculate heat loss due to exhaust gas q
2.
For q
4calculating, first matching q
4with the curve of greenhouse gas and coal type change, then according to CO in smoke evacuation
2and O
2volume fraction calculates greenhouse gas, and approximate treatment goes out q
4.
Step 2, carries out turbine heat rate rate, station service power consumption rate, net coal consumption rate calculating,
Wherein, the formula carrying out the calculating of turbine heat rate rate is:
In formula: q is expressed as turbine heat rate rate, unit is kJ/kWh, D
0, D
rH, D
cR, D
fw, D
sHS, D
rHSbe expressed as steam turbine main steam, reheated steam, high pressure cylinder steam discharge, main feedwater, overheated desuperheating water, reheating attemperation water flow, unit is t/h, H
0, H
rH, H
cR, H
fw, H
sHS, H
rHSbe respectively main steam, reheated steam, high pressure cylinder steam discharge, main feedwater, overheated desuperheating water, reheating desuperheating water enthalpy, unit is kJ/kg; P
elfor generator power, unit is MW;
The formula carrying out the calculating of unit net coal consumption rate is:
In formula: b
gfor unit net coal consumption rate, unit is that g/kWh, q are expressed as turbine heat rate rate, η
glfor boiler efficiency, %, η
pfor system pipeline efficiency, %, e are station service power consumption rate, %.
The formula carrying out station service power consumption rate calculating is:
In formula: e is station service power consumption rate, P
grepresentative online power, P
elrepresent generator power.
Step 3, carry out the calculating of environmental protection facility performance, environmental protection facility comprises desulfurization equipment, denitration facility and dust removal installation, the result calculated comprises desulphurization and denitration efficiency, pollutant (sulphuric dioxide, oxides of nitrogen, flue dust) concentration of emission and discharge performance indicators, adopt conventionally calculation mode to carry out calculating;
Step 4, export the result of calculation in step 1, step 2 and step 3, described result of calculation is the performance index of each unit, comprises boiler efficiency, turbine heat rate rate, station service power consumption rate, net coal consumption rate, sulfur dioxide emissioning concentration, sulfur dioxide (SO2) emissions performance, discharged nitrous oxides concentration, discharged nitrous oxides performance, smoke dust discharge concentration, soot emissions performance.
Step 5, the performance index of comprehensive evaluation instrument to each unit dispersion obtained by step 4 are used comprehensively to analyze, obtain and export each unit energy-saving and emission-reduction comprehensive performance index, the unit energy-saving and emission-reduction comprehensive performance index exported is as boiler efficiency to Energy efficiency evaluation index, turbine heat rate rate, station service power consumption rate, net coal consumption rate and environmental protection evaluation index are as desulfurization, denitration, the environmental protection facility performance index such as dedusting (comprise removal efficiency, facility operational percentage, concentration of emission, discharge performance etc.) carry out reprocessing process, and calculate Integral energy-saving reduces discharging performance indicators.
Described function application module is that link is shown in the service computation result application of system, mainly comprise application server and WEB server, the realization of various relevant application function is responsible for by described application server, and described WEB server is responsible for representing of final business function and data.Function application module, adopt the related application function of WEB mode delivery system exploitation, under comprising different dimensions, (according to capacitance grade, according to device fabrication producer, according to unit pressure rating, according to area, according to group) unit performance rank sequence, unit energy-saving and emission-reduction direction are analyzed mark, user enters system by internet browser, accesses, monitors each unit real time data and property indices detail.
Coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system provided by the invention, by Real-time Collection unit operation Monitoring Data, on-line computer group net coal consumption rate, boiler efficiency, sulfur dioxide emissioning concentration, discharged nitrous oxides concentration, the performance index such as smoke dust discharge concentration, integrated evaluating method is used to export unit energy-saving and emission-reduction comprehensive performance index, and under different dimensions, establish the sequence of unit performance rank, unit energy-saving and emission-reduction direction is analyzed mark, be conducive in time, grasp coal-burning power plant's unit energy-saving and emission-reduction each side combination property all sidedly, for relevant departments are quantitative, the energy-saving and emission-reduction performance effect of each coal unit of scientific evaluation provides technical support.
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system, it is characterized in that, comprise data acquisition module, business data processing and comprehensive evaluation index computing module, function application module, the service data of described data acquisition module Real-time Collection unit also transfers to business data processing and comprehensive evaluation index computing module, business data processing and the service data of comprehensive evaluation index computing module to unit store, computation and analysis, and will the performance index of each unit drawn be processed, energy-saving and emission-reduction comprehensive performance index transfers to function application module, function application module is by the performance index of each unit, energy-saving and emission-reduction comprehensive performance index shows,
Described data acquisition module comprises the first data acquisition server, network isolating device, the second data acquisition server and data transmission network, the service data of described first data acquisition server Real-time Obtaining unit from information system of power plants, and transfer to network isolating device, after network isolating device detection, filtration, transfer to the second data acquisition server, then by data transmission network, the service data of the unit collected is uploaded to business data processing and comprehensive evaluation index computing module;
Described business data processing and comprehensive evaluation index computing module comprise main website acquisition server, live database server, historical database server and calculation server, described main website acquisition server receives the service data from the unit of data acquisition module, the service data of the unit that live database server real-time storage main website acquisition server receives, calculating analysis software is deployed with in advance in described calculation server, computational analysis is carried out to the service data of unit, described historical database server stores the Calculation results of each crew base configuration data and calculation server,
Described function application module comprises application server and WEB server, and the realization of application function is responsible for by described application server, and described WEB server is responsible for representing of business function and data.
2. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 1, it is characterized in that, in described data acquisition module, the service data acquisition stream of unit is to for from information system of power plants to business data processing and comprehensive evaluation index computing module one-way communication.
3. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 2, it is characterized in that, described information system of power plants is DCS system, SIS system or mis system.
4. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 1, it is characterized in that, calculation server in described business data processing and comprehensive evaluation index computing module reads the service data of the unit collected in real time from live database server, obtains performance index and the energy-saving and emission-reduction comprehensive performance index of each unit by carrying out computational analysis to the real-time service data of unit.
5. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 4, is characterized in that, comprise the following steps the computation process of the service data of unit:
Step 1, carries out boiler efficiency in line computation;
Step 2, carries out turbine heat rate rate, station service power consumption rate, net coal consumption rate calculating;
Step 3, carries out the calculating of environmental protection facility performance;
Step 4, export the result of calculation in step 1, step 2 and step 3, described result of calculation is the performance index of each unit;
Step 5, select unit net coal consumption rate, sulfur dioxide (SO2) emissions performance, discharged nitrous oxides performance, soot emissions performance as evaluation index, utilize the performance index of radar map technology to each unit obtained by step 4 comprehensively to analyze, obtain and export each unit energy-saving and emission-reduction comprehensive performance index.
6. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 5, is characterized in that, in described step 1, carrying out boiler efficiency at the formula of line computation is:
η
gl=100-(q
2+ q
3+ q
4+ q
5+ q
6) formula 1
In formula: η
glfor boiler efficiency, q
2for heat loss due to exhaust gas, q
3for chemical unburned thermal loss, q
4for Mechanical adsorption, q
5for radiation loss, q
6for other thermal loss, wherein q
3, q
5and q
6all get definite value.
7. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 5, it is characterized in that, in described step 2, the formula carrying out the calculating of turbine heat rate rate is:
In formula: q is expressed as turbine heat rate rate, D
0, D
rH, D
cR, D
fw, D
sHS, D
rHSbe expressed as steam turbine main steam, reheated steam, high pressure cylinder steam discharge, main feedwater, overheated desuperheating water, reheating attemperation water flow, H
0, H
rH, H
cR, H
fw, H
sHS, H
rHSbe respectively main steam, reheated steam, high pressure cylinder steam discharge, main feedwater, overheated desuperheating water, reheating desuperheating water enthalpy; P
elfor generator power;
The formula carrying out the calculating of unit net coal consumption rate is:
In formula: b
gfor unit net coal consumption rate, q is expressed as turbine heat rate rate, η
glfor boiler efficiency, η
pfor system pipeline efficiency, e is station service power consumption rate;
The formula carrying out station service power consumption rate calculating is:
In formula: e is station service power consumption rate, P
grepresentative online power, P
elrepresent generator power.
8. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 5, it is characterized in that, the performance index of each unit exported in described step 4 comprise boiler efficiency, turbine heat rate rate, station service power consumption rate, net coal consumption rate, sulfur dioxide emissioning concentration, sulfur dioxide (SO2) emissions performance, discharged nitrous oxides concentration, discharged nitrous oxides performance, smoke dust discharge concentration, soot emissions performance.
9. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 1, it is characterized in that, described function application module adopts WEB mode to issue application function, comprises unit performance rank sequence under different dimensions, unit energy-saving and emission-reduction direction analyzes mark.
10. coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system according to claim 9, it is characterized in that, described latitude comprises capacitance grade, device fabrication producer, unit pressure rating, area, group.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410578575.1A CN104537568A (en) | 2014-10-24 | 2014-10-24 | Real-time on-line comprehensive assessment system of energy conservation and emission reduction performance of coal-fired power plant unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201410578575.1A CN104537568A (en) | 2014-10-24 | 2014-10-24 | Real-time on-line comprehensive assessment system of energy conservation and emission reduction performance of coal-fired power plant unit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN104537568A true CN104537568A (en) | 2015-04-22 |
Family
ID=52853087
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201410578575.1A Pending CN104537568A (en) | 2014-10-24 | 2014-10-24 | Real-time on-line comprehensive assessment system of energy conservation and emission reduction performance of coal-fired power plant unit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104537568A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105652839A (en) * | 2016-02-01 | 2016-06-08 | 南京华盾电力信息安全测评有限公司 | Remote energy-saving technology diagnosis platform |
CN105700514A (en) * | 2016-02-01 | 2016-06-22 | 南京华盾电力信息安全测评有限公司 | Power plant side remote energy saving diagnosis platform data acquisition platform |
CN107451734A (en) * | 2017-07-31 | 2017-12-08 | 国网能源研究院 | A kind of power industry Mitigation options environmental performance evaluation method and assessment system |
CN108121797A (en) * | 2017-12-20 | 2018-06-05 | 国家电投集团河南电力有限公司技术信息中心 | A kind of method, apparatus and equipment of evaluation assignment system applicable cases |
CN108826266A (en) * | 2018-05-15 | 2018-11-16 | 中国石油化工股份有限公司 | A kind of dimension of boiler operatiopn safe condition five radar graphic monitoring method |
CN109948939A (en) * | 2019-03-25 | 2019-06-28 | 江苏赛清科技有限公司 | A kind of Industrial Solid Waste supervision main body credit evaluation system |
CN111507645A (en) * | 2020-05-26 | 2020-08-07 | 中冶赛迪工程技术股份有限公司 | System and method for evaluating and diagnosing performance of logistics system of iron and steel enterprise |
CN112177757A (en) * | 2020-09-18 | 2021-01-05 | 广州联优科技有限公司 | Protection device of ship engine |
CN112255978A (en) * | 2020-10-11 | 2021-01-22 | 国网湖北省电力有限公司电力科学研究院 | Intelligent operation and maintenance system and method for coal-fired boiler |
CN112395744A (en) * | 2020-10-29 | 2021-02-23 | 华能国际电力股份有限公司玉环电厂 | Equipment safety online evaluation method and system for thermal power plant |
CN113421013A (en) * | 2021-07-08 | 2021-09-21 | 杭州骏踔科技有限公司 | Power plant operation evaluation method and system |
CN113449995A (en) * | 2021-06-29 | 2021-09-28 | 华能国际电力股份有限公司上安电厂 | Method for evaluating comprehensive energy consumption of thermal power plant |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100964296B1 (en) * | 2009-12-15 | 2010-06-16 | 한국전력거래소 | A data acquisition and supervisory control system |
US20130304275A1 (en) * | 2012-05-11 | 2013-11-14 | Electronics And Telecommunications Research Institute | Energy management system and method |
CN103678876A (en) * | 2013-11-12 | 2014-03-26 | 国家电网公司 | Power distribution network line loss on-line computation method |
-
2014
- 2014-10-24 CN CN201410578575.1A patent/CN104537568A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100964296B1 (en) * | 2009-12-15 | 2010-06-16 | 한국전력거래소 | A data acquisition and supervisory control system |
US20130304275A1 (en) * | 2012-05-11 | 2013-11-14 | Electronics And Telecommunications Research Institute | Energy management system and method |
CN103678876A (en) * | 2013-11-12 | 2014-03-26 | 国家电网公司 | Power distribution network line loss on-line computation method |
Non-Patent Citations (1)
Title |
---|
孙林旺: "电站节能减排监管优化实时信息***研究", 《中国优秀硕士学位论文全文数据库工程科技辑》 * |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105652839A (en) * | 2016-02-01 | 2016-06-08 | 南京华盾电力信息安全测评有限公司 | Remote energy-saving technology diagnosis platform |
CN105700514A (en) * | 2016-02-01 | 2016-06-22 | 南京华盾电力信息安全测评有限公司 | Power plant side remote energy saving diagnosis platform data acquisition platform |
CN107451734A (en) * | 2017-07-31 | 2017-12-08 | 国网能源研究院 | A kind of power industry Mitigation options environmental performance evaluation method and assessment system |
CN108121797A (en) * | 2017-12-20 | 2018-06-05 | 国家电投集团河南电力有限公司技术信息中心 | A kind of method, apparatus and equipment of evaluation assignment system applicable cases |
CN108826266B (en) * | 2018-05-15 | 2019-11-26 | 中国石油化工股份有限公司 | A kind of dimension of boiler operatiopn safe condition five radar graphic monitoring method |
CN108826266A (en) * | 2018-05-15 | 2018-11-16 | 中国石油化工股份有限公司 | A kind of dimension of boiler operatiopn safe condition five radar graphic monitoring method |
CN109948939A (en) * | 2019-03-25 | 2019-06-28 | 江苏赛清科技有限公司 | A kind of Industrial Solid Waste supervision main body credit evaluation system |
CN111507645A (en) * | 2020-05-26 | 2020-08-07 | 中冶赛迪工程技术股份有限公司 | System and method for evaluating and diagnosing performance of logistics system of iron and steel enterprise |
CN112177757A (en) * | 2020-09-18 | 2021-01-05 | 广州联优科技有限公司 | Protection device of ship engine |
CN112255978A (en) * | 2020-10-11 | 2021-01-22 | 国网湖北省电力有限公司电力科学研究院 | Intelligent operation and maintenance system and method for coal-fired boiler |
CN112395744A (en) * | 2020-10-29 | 2021-02-23 | 华能国际电力股份有限公司玉环电厂 | Equipment safety online evaluation method and system for thermal power plant |
CN112395744B (en) * | 2020-10-29 | 2023-12-05 | 华能国际电力股份有限公司玉环电厂 | Equipment safety online evaluation method and system for thermal power plant |
CN113449995A (en) * | 2021-06-29 | 2021-09-28 | 华能国际电力股份有限公司上安电厂 | Method for evaluating comprehensive energy consumption of thermal power plant |
CN113421013A (en) * | 2021-07-08 | 2021-09-21 | 杭州骏踔科技有限公司 | Power plant operation evaluation method and system |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104537568A (en) | Real-time on-line comprehensive assessment system of energy conservation and emission reduction performance of coal-fired power plant unit | |
CN103697946B (en) | A kind of computing method of coal fired boiler of power plant flue gas flow and the control method of pollutant discharge amount | |
CN101157006B (en) | Real time monitoring and information management system of coal-firing units gas desulfurization | |
Mestl et al. | Cleaner production as climate investment—integrated assessment in Taiyuan City, China | |
CN104504498A (en) | Coal-fired power generating set ultralow emission environmental protection electricity price monitoring method | |
CN101865867B (en) | Method for calculating coal elements and industrial components in real time | |
CN110428168A (en) | It is a kind of meter and energy storage multiple-energy-source distribution system coordinated scheduling integrated evaluating method | |
CN109557869A (en) | A kind of fired power generating unit carbon emission on-line monitoring management system | |
CN103034186A (en) | Coal-fired unit denitration desulfuration assessment management system and method | |
CN109523180B (en) | Coal consumption and heat supply online monitoring system of thermal power plant | |
Han et al. | Coal-fired power plant CCUS project comprehensive benefit evaluation and forecasting model study | |
Wu et al. | Prediction of NOx emission concentration from coal-fired power plant based on joint knowledge and data driven | |
Colman | The effect of ambient air and water temperature on power plant efficiency | |
CN115600798A (en) | Urban intelligent energy management method based on double-carbon platform | |
CN115656461A (en) | Coal electric unit real-time carbon emission monitoring method based on coal quality soft measurement | |
CN106765029A (en) | Complex data collecting device is sensed a kind of boiler based on Internet of Things more | |
CN103034208A (en) | Denitrating electricity price monitor method for coal-fired generating unit | |
Cohen | A techno-economic plant-and grid-level assessment of flexible CO2 capture | |
CN105844083A (en) | Method for real-time calculating SCR denitration catalyst optimal exchange time | |
CN100363926C (en) | On-line analysing-monitoring system for heat-engine plant pipeline heat-efficiency | |
CN104504237A (en) | Automatic diagnosis and discrimination model of data for denitrification system of coal-fired power plant | |
CN201561969U (en) | Coal component real-time measuring device | |
Li et al. | Research on Environmental Cost from the Perspective of Coal-Fired Power Plant. | |
CN104238534A (en) | Online monitoring device and online monitoring method for boiling degree of blast-furnace gas boiler economizer | |
CN115640951A (en) | Power carbon emission monitoring method and system based on power industry chain |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150422 |
|
RJ01 | Rejection of invention patent application after publication |