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 PDF

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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
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孙虹
孙栓柱
孙彬
王其祥
高进
代家元
周春蕾
王林
张友卫
李春岩
王明
刘成
魏威
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Jiangsu Fangtian Power Technology Co Ltd
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State Grid Jiangsu Electric Power Co Ltd
Jiangsu Fangtian Power Technology Co Ltd
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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

Coal-burning power plant's unit energy-saving and emission-reduction performance real-time online integrated estimation system
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:
q = D 0 H 0 + D RH H RH - D fw H fw - D CR H CR - D SHS H SHS - D RHS H RHS P el Formula 2
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:
b g = 1000 * q 29271 η gl η p ( 1 - e ) Formula 3
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:
e = 1 - P g P el Formula 4
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:
q = D 0 H 0 + D RH H RH - D fw H fw - D CR H CR - D SHS H SHS - D RHS H RHS P el Formula 2
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:
b g = 1000 * q 29271 η gl η p ( 1 - e ) Formula 3
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:
e = 1 - P g P el Formula 4
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:
q = D 0 H 0 + D RH H RH - D fw H fw - D CR H CR - D SHS H SHS - D RHS H RHS P el Formula 2
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:
b g = 1000 * q 29271 η gl η p ( 1 - e ) Formula 3
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:
e = 1 - P g P el Formula 4
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.
CN201410578575.1A 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 Pending CN104537568A (en)

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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
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