CN101738972B - Test method for detecting monitoring accuracy of on-line coal consumption monitoring system - Google Patents
Test method for detecting monitoring accuracy of on-line coal consumption monitoring system Download PDFInfo
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- CN101738972B CN101738972B CN2009103114022A CN200910311402A CN101738972B CN 101738972 B CN101738972 B CN 101738972B CN 2009103114022 A CN2009103114022 A CN 2009103114022A CN 200910311402 A CN200910311402 A CN 200910311402A CN 101738972 B CN101738972 B CN 101738972B
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Abstract
The invention discloses a test method for detecting monitoring accuracy of an on-line coal consumption monitoring system, which comprises three detecting steps: a, inputting the same coal quality, ash combustible, temperature of flue gas and oxygen content of the flue gas as the on-line coal consumption monitoring system into a standard calculation program for calculation; comparing the calculation result with the value obtained by the on-line coal consumption monitoring system; and detecting the accuracy of the calculation program of the on-line coal consumption monitoring system. Through the test method, software of the system, monitoring hardware of the system and a human intervention part are all detected by adopting the three detecting steps respectively; therefore, the test method can ensure the principle of equitable running among a plurality of sets of systems as much as possible, excellently implements the national energy-saving emission reduction optimal scheduling policy, and further perfects the implementation of the on-line coal consumption monitoring system for the power generation of the energy-saving scheduling thermal power generating unit of a power grid.
Description
Technical field
The present invention relates to a kind of method of testing that detects monitoring accuracy of on-line coal consumption monitoring system, belong to the thermal power generating technology field.
Background technology
In order to implement national energy-saving and emission-reduction Optimization Dispatching policy [Office of the State Council is sent out (2007) No. 53] better, this just need take all factors into consideration generating energy consumption and pollutant emission level problem in dispatching of power netwoks, need determine promptly which genset in the generating plant should move in following 24 hours, reduce discharging optimization effect thereby reach maximum energy-saving.
The Guizhou grid company takes the lead at home according to national relevant technologies standard, fabric study and developed a cover electrical network energy-saving distribution fired power generating unit generating energy consumption on-line monitoring system, realize the online actual measurement calculating of fired power generating unit generating Energy Consumption Evaluation parameter, Guizhou is that the important technology of realizing electrical network energy-saving and emission-reduction scheduling " according to the measured value ordering " supports for grid dispatching center provides basic accurately coal consumption data.
This system is made up of two parts, connects by the specialized high-speed communication line between two parts.
Dispatching of power netwoks side main station system comprises: main website side coal consumption on-line monitoring hardware unit; Main website side and Power Plant Side data communication software; Main website side data verification software; Main website side unit level performance computation software; Main website side coal consumption analysis software; Data-interface software with the upper system of side of main website and other application system; Main website side message pick-up software; Main website side information releasing software;
The Power Plant Side acquisition system comprises: unit coal consumption data acquisition hardware device; Remote data communication software; 0PC Client data acquisition software; Unit coal consumption calculation Design and configuration.
This system mainly comprises following function:
Unit performance calculates and monitors; Utilize the mode of unit thermodynamic system figure to show unit on-line operation real time data, current coal analysis data and performance computation data.Can also divide into groups simultaneously, and screen and monitor in modes such as real time data inquiry, the inquiry of historical data and trend curves to the correlative measurement point data.
Data check; Whether the secondary data to power plant and unit is out-of-limit, correcting state and Flushing status are inquired about in real time and report to the police, can also add up the out-of-limit number of times and the correction reason of data in a period of time by the mode of historical query, be convenient to the related personnel data quality is monitored.
Coal consumption is analyzed and statistics; Represent unit and reach historical net coal consumption rate and performance number in real time, and, be the Core Feature of native system by the coal consumption curve that the two formed grid company dispatching center needs.Simultaneously, this module also realizes day, the moon, annual load, generated energy, the average net coal consumption rate to power plant, unit and the whole network and coal consumption carries out laterally, statistics contrast longitudinally, to help government, electrical network and the related personnel of power plant the realization effect of energy-saving distribution is carried out the correlation analysis contrast.
Ature of coal message pick-up and verification
Realize the season coal data typing and the inquiry of historical coal data of power plant coal quality typing, coherent detection mechanism.
This cover system structural integrity, and can satisfy every requirement of unification of the motherland scheduling, but accuracy how to identify the coal consumption online monitoring system operation in implementation process is gone back neither one accurately and the detection method of standard up till now.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of method of testing that detects monitoring accuracy of on-line coal consumption monitoring system is provided, can overcomes deficiency of the prior art.
Technical scheme of the present invention is; It comprises that following three are detected step:
A, the value of utilizing computing machine to import ature of coal, ash combustibles, exhaust gas temperature and smoke evacuation oxygen amount in the criterion calculation program of operation are calculated, the value of ature of coal, ash combustibles, exhaust gas temperature and smoke evacuation oxygen amount is that the coal consumption online monitoring system monitor value is identical, result of calculation in the standard calculation procedure in the computing machine and coal consumption online monitoring system calculated value input comparing module are compared, detect coal consumption online monitoring system calculation procedure accuracy;
B, on a step basis, under the identical situation of ature of coal, ash combustibles, import the measured data of exhaust gas temperature and smoke evacuation oxygen amount in the criterion calculation program calculates with computing machine, result of calculation input comparing module is compared with the coal consumption online monitoring system income value, utilizes in the comparison value detection coal consumption online monitoring system each measuring point installation site to the influence of coal consumption result of calculation;
C, on b step basis, the analysis of experiments analysis data that utilizes computing machine to import measured data, ature of coal and the ash combustibles of exhaust gas temperature and smoke evacuation oxygen amount in the criterion calculation program calculates, criterion calculation program calculated result input comparing module is compared with the coal consumption online monitoring system income value, and the deviation of utilizing the comparison value to detect the ature of coal of the ature of coal of analysis of experiments chemical examination and ash combustibles data and power plant's typing and ash combustibles data reaches the influence to coal consumption result of calculation;
Be meant that on a step basis detection coal consumption online monitoring system calculation procedure is identical with the criterion calculation program, or calculate under the situation of calculation procedure Z-factor.
Compared with the prior art, the present invention is by taking above-mentioned three to detect step, can be respectively to the monitoring hardware of the software of system, system, artificially can intervene part and all detect, checked the influence that each side such as computation model, point position are calculated basic coal consumption comprehensively, thereby the justice between this cover system of many covers, the principle of just operation have been guaranteed as much as possible, implemented national energy-saving and emission-reduction Optimization Dispatching policy better, for the execution of electrical network energy-saving distribution fired power generating unit generating energy consumption on-line monitoring system has been done further perfect.The present invention has not only filled up domestic power industry and has detected the blank of monitoring accuracy of on-line coal consumption monitoring system, for operation, the management of coal consumption online monitoring system, the aspect is carried out in coal consumption comparison test that important guidance and reference function are arranged.
Embodiment
Embodiments of the invention: as shown in the table
| Main project | Benchmark operating mode (coal consumption monitoring system) | Comparison test 1 | Comparison test 2 | Comparison test 3 |
| Ature of coal and ash combustibles | The manual typing of power plant | The manual typing of power plant | The manual typing of power plant | The analysis of experiments analysis data |
| Exhaust gas temperature | The system acquisition data | The system acquisition data | Measured data | Measured data |
| Smoke evacuation oxygen amount | The system acquisition data | The system acquisition data | Measured data | Measured data |
| Calculation procedure | Monitoring system is from tape program | The criterion calculation program | The criterion calculation program | The criterion calculation program |
The present invention includes following three and detect step:
A (contrast test 1 in the table) utilizes computing machine to import in the criterion calculation program under the situation of identical ature of coal with coal consumption online monitoring system, ash combustibles, exhaust gas temperature and smoke evacuation oxygen amount and calculates, result of calculation input comparing module and coal consumption online monitoring system income value are compared, and utilize the comparison value to detect coal consumption online monitoring system calculation procedure accuracy; Because logging data and benchmark operating mode (coal consumption online monitoring system) are in full accord, contrast test 1 can check out whether the calculation procedure of coal consumption system establishment is accurate;
B (contrast test 2 in the table), on a step basis, under the identical situation of ature of coal, ash combustibles, the measured data of utilizing computing machine to import exhaust gas temperature and smoke evacuation oxygen amount in the criterion calculation program is calculated, result of calculation input comparing module is compared with the coal consumption online monitoring system income value, and detection coal consumption online monitoring system measuring point installation site, precision, accuracy are to the influence of coal consumption result of calculation; Be meant that on a step basis detection coal consumption online monitoring system calculation procedure is identical with the criterion calculation program, or calculate under the situation of calculation procedure Z-factor.The measured data of exhaust gas temperature and smoke evacuation oxygen amount can be imported at twice in the b step, respectively the exhaust gas temperature of coal consumption online monitoring system and measuring point installation site, precision, the accuracy of smoke evacuation oxygen amount is detected.
C (contrast test 3 in the table), on b step basis, the analysis of experiments analysis data of importing measured data, ature of coal and the ash combustibles of exhaust gas temperature and smoke evacuation oxygen amount with computing machine in the criterion calculation program calculates, result of calculation input comparing module is compared with the coal consumption online monitoring system income value, and the deviation of utilizing the comparison value to detect the ature of coal of analysis of experiments chemical examination and ash combustibles data and power plant's logging data reaches the influence to coal consumption result of calculation.
Claims (2)
1. method of testing that detects monitoring accuracy of on-line coal consumption monitoring system is characterized in that: it comprises that following three are detected steps:
A, the value of utilizing computing machine to import ature of coal, ash combustibles, exhaust gas temperature and smoke evacuation oxygen amount in the criterion calculation program of operation are calculated, the value of ature of coal, ash combustibles, exhaust gas temperature and smoke evacuation oxygen amount is that the coal consumption online monitoring system monitor value is identical, result of calculation in the standard calculation procedure in the computing machine and coal consumption online monitoring system calculated value input comparing module are compared, detect coal consumption online monitoring system calculation procedure accuracy;
B, on a step basis, under the identical situation of ature of coal, ash combustibles, import the measured data of exhaust gas temperature and smoke evacuation oxygen amount in the criterion calculation program calculates with computing machine, with standard result of calculation in the computing machine and coal consumption online monitoring system income value input comparing module with compare, utilize the comparison value to detect in the coal consumption online monitoring system each measuring point installation site to the influence of coal consumption result of calculation;
C, on b step basis, the analysis of experiments analysis data that utilizes computing machine to import measured data, ature of coal and the ash combustibles of exhaust gas temperature and smoke evacuation oxygen amount in the criterion calculation program calculates, with standard calculation procedure result of calculation in the computing machine and coal consumption online monitoring system income value input comparing module with compare, the deviation of utilizing the comparison value to detect the ature of coal of the ature of coal of analysis of experiments chemical examination and ash combustibles data and power plant's typing and ash combustibles data reaches the influence to coal consumption result of calculation;
Be meant that on a step basis detection coal consumption online monitoring system calculation procedure is identical with the criterion calculation program, or calculate under the situation of calculation procedure Z-factor.
2. according to the method for testing of the described detection monitoring accuracy of on-line coal consumption monitoring system of claim 1, it is characterized in that: the measured data of b step exhaust gas temperature and smoke evacuation oxygen amount can be imported at twice, respectively the exhaust gas temperature of coal consumption online monitoring system and the measuring point installation site of smoke evacuation oxygen amount is detected.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101949716B (en) * | 2010-09-08 | 2012-07-25 | 河南电力试验研究院 | Method for identifying and reconstructing validity of energy consumption data of thermal power generating unit |
| CN105157755B (en) * | 2015-09-22 | 2018-03-30 | 山西平朔煤矸石发电有限责任公司 | The thermal power generation unit energy flows to and lossy data on-line monitoring real-time display system |
| CN111792256B (en) * | 2020-07-19 | 2022-02-01 | 济南诚博信息科技有限公司 | Feeding system that intellectual detection system and intelligence are hierarchical stores |
| CN112510704B (en) * | 2020-11-26 | 2022-10-11 | 贵州电网有限责任公司 | Online coal consumption curve real-time generation method and system |
| CN112491049B (en) * | 2020-11-26 | 2022-10-11 | 贵州电网有限责任公司 | Multi-energy access power grid optimized scheduling method considering on-line coal consumption curve |
| CN112510703B (en) * | 2020-11-26 | 2022-10-04 | 贵州电网有限责任公司 | Multi-energy access power grid optimal scheduling method considering coal consumption curve correction |
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