CN106779259A - A kind of thermal power plant's fuel overall process intelligent management system - Google Patents
A kind of thermal power plant's fuel overall process intelligent management system Download PDFInfo
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- CN106779259A CN106779259A CN201510801438.4A CN201510801438A CN106779259A CN 106779259 A CN106779259 A CN 106779259A CN 201510801438 A CN201510801438 A CN 201510801438A CN 106779259 A CN106779259 A CN 106779259A
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Abstract
Camera, gas analyzer, sensor, terminal, server and the network equipment of subsystem, coal blending decision-making subsystem, burning optimization subsystem, spray ammonia control subsystem and indispensability are taken the invention discloses a kind of thermal power plant's fuel overall process intelligent management system, including fuel purchases subsystem, inventory management subsystem, fuel assembly.The present invention can expand the mixed-fuel burning proportion of economic coal in thermal power plant, reduce coal-fired purchase cost;By scientific matching and burning optimization, under the conditions of equal fire coal, boiler efficiency is improved, reduce net coal consumption rate;Taken by stock, heap, coal blending, burning overall process optimization, it is possible to decrease the loss of coal-fired calorific value, reduce stock's occupied fund;By spraying ammonia On-line Control, the operation and management level and operational efficiency of equipment for denitrifying flue gas (SCR) can be improved, reduce discharge capacity of the thermal power plant to NO_x in Air Environment.
Description
Technical field
The invention belongs to technical field of power generation, in particular it relates to a kind of thermal power plant's fuel Whole Course Management system
System.
Background technology
At present, the electric power of China 80% is supplied by the thermoelectricity with coal as fuel, and fuel cost is accounted for
75% or so of electricity power enterprise's cost, control fuel cost is the key of thermal power plant's reduces cost.Combustion
The effective means that the management of material is undoubtedly reduces cost, increases the benefit, resists the market risk, is to improve
Enterprise management level, improves fuel mass, reduces the important step of fuel cost.Due to by decades
Carry out the influence of planned economy, the links of current fuel are all existed unsatisfactory to some extent
Factor;Situations such as Operation Method falls behind, mode of management is not suitable with is there is also simultaneously, so as to cause life
Producing cost can not reduce to greatest extent;Additionally, manually analyzing gas concentration to adjust cigarette
The mode of qi exhaustion nitre (SCR) device ammonia spraying amount, cannot also realize that monitoring is synchronous with actual adjustment,
The potential problem for easily existing unit further amplifies.How to be added using advanced technical management means
The strong overall process intelligent management to fuel, reduces dependence of the management work to personnel, reduces fuel
Cost, the operational efficiency for improving equipment for denitrifying flue gas needs asking of being solved badly as thermal power generation corporations
Topic.
The content of the invention
The present invention overcomes the shortcomings of that prior art is present, and technical problem to be solved is:There is provided a kind of
Thermal power plant's fuel overall process intelligent management system.
In order to solve the above technical problems, the technical solution adopted in the present invention is:A kind of thermal power plant's fuel
Overall process intelligent management system, including fuel purchases subsystem, inventory management subsystem, fuel assembly take
Subsystem, coal blending decision-making subsystem, burning optimization subsystem, spray ammonia control subsystem and correlation are taken the photograph
As head, sensor, gas analyzer, terminal, server and the network equipment.
The fuel purchases subsystem has the function of realizing coal fuel purchases Optimal Decision-making, and it is at least
Should by coal DBM, coal-fired cost profit computing module, coal quality analysis module, use coal
Prediction module, with coal statistical module, ore deposit point evaluation module, procurement decisions module constitute.
The inventory management subsystem has the function of realizing coal inventory optimization and coal approach control,
It at least should be by coal yard 4D mapping modules, coal surplus management module, with coal prediction module, coal
Plan approach control module, stock's Optimal calculation module composition.
The fuel assembly takes subsystem with the management function that the automatic heap of coal fuel takes is realized, it is at least
Should by coal blending decision-making, take coal decision-making, windrow decision-making, take coal record, come coal information input, coal piling and determine
Plan, coal piling logging modle are constituted.
The coal blending decision-making subsystem has the function of realizing that variety classes coal intelligently mixes configuration, its
At least should by coal blending decision-making module, take coal decision-making module, come coal MIM message input module, take coal record mould
Block, coal piling decision-making module, coal piling logging modle are constituted.
The burning optimization subsystem has realizes that work(is evaluated in the adjustment of fuel combustion optimisation strategy and burning
Can, its at least should by coal bunker dynamic surveillance module, whole energy consumption assessment module, mix burning intelligent Evaluation mould
Block, boiler combustion efficiency evaluation module, burning optimization Developing Tactics module composition.
The spray ammonia control subsystem has to improve equipment for denitrifying flue gas operation and management level and run imitates
Rate function, it at least should be by SCR exit and entrances NOX/O2Concentration monitor module, SCR outlets
NH3Concentration monitor module, spray ammonia controller module, remote electrically controlled adjustment module are constituted;The spray ammonia
Control subsystem planted agent includes NOx sensor, gas element analyzer, the sampling of high temperature heat tracing type
Probe;The remote electrically controlled adjustment module comprises at least electric control valve, standard communication interface, DCS
Data transmission channel.
The camera is used for coal yard, the monitoring of coal bunker, it is necessary to possess ethernet interface;It is described
Terminal needs to have network interface, human-machine operation auxiliary equipment;The server is comprised at least
Software systems runtime server, communication management server, database server;The network equipment bag
Containing interchanger, router.
The present invention has an advantageous effect in that compared with prior art:
First, the present invention can expand the mixed-fuel burning proportion of economic coal in thermal power plant, reduce fire coal and purchase into
This;
2nd, the present invention under the conditions of equal fire coal, can improve pot by scientific matching and burning optimization
The efficiency of furnace, reduces net coal consumption rate;
3rd, the present invention taken by stock, heap, coal blending, burning overall process optimize, it is possible to decrease coal fuel heating
Value loss, reduces stock's occupied fund;
4th, the operation and management level and operational efficiency of equipment for denitrifying flue gas are improved, thermal power plant is reduced to big
The discharge of gas pollutant.
Brief description of the drawings
Fig. 1 is thermal power plant's fuel overall process intelligent management system schematic diagram.
Fig. 2 is fuel purchases subsystem schematic diagram.
Fig. 3 is inventory management subsystem schematic diagram.
Fig. 4 takes subsystem schematic diagram for fuel assembly.
Fig. 5 is coal blending decision-making subsystem schematic diagram.
Fig. 6 is fuel optimization subsystem schematic diagram.
Fig. 7 is that equipment for denitrifying flue gas sprays ammonia control subsystem schematic diagram.
Specific embodiment
As shown in figure 1, a kind of thermal power plant's fuel overall process intelligent management system of the invention, including fuel
Purchase subsystem 1, inventory management subsystem 2, fuel assembly take subsystem 3, coal blending decision-making subsystem 4,
The camera of burning optimization subsystem 5 and correlation, gas analyzer, sensor, terminal,
Server and the network equipment.
As shown in Fig. 2 the fuel purchases subsystem 1 by coal DBM 101, it is coal-fired into
This profit computing module 102, coal quality analysis module 103, with coal prediction module 104, use coal
Statistical module 105, ore deposit point evaluation module 106, procurement decisions module 107 is constituted.
As shown in figure 3, the inventory management subsystem 2 is by coal yard 4D mapping modules 201, coal
Surplus management module 202, with coal prediction module 203, coal plan approach control module 204, storehouse
Optimal calculation module 205 is deposited to constitute.
As shown in figure 4, the fuel assembly take subsystem 3 by coal blending decision-making module 301, take coal decision-making
Module 302, come coal MIM message input module 303, take coal logging modle 304, coal piling decision-making module 305,
Coal piling logging modle 306 is constituted.
As shown in figure 5, the coal blending decision-making subsystem 4 is by coal blending manual intervention module 401, coal blending
Knowledge base 402, week coal plan module 403, coal yard situation statistical module 404, intelligence are matched somebody with somebody
Coal decision-making module 405 is constituted.
As shown in fig. 6, the burning optimization subsystem 5 is by coal bunker dynamic surveillance module 501, whole process
Energy consumption assessment module 502, mix burning intelligent Evaluation module 503, boiler combustion efficiency evaluation module 504,
Burning optimization Developing Tactics module 505 is constituted;The coal bunker dynamic surveillance module 501 is comprised at least
It is equipped with the camera of Ethernet interface.
As shown in fig. 7, the spray ammonia control subsystem 6 is by SCR exit and entrances NOX/O2It is dense
Degree monitoring modular 601, SCR outlet NH3Concentration monitor module 602, spray ammonia controller module 603,
Remote electrically controlled adjustment module 604 is constituted;The SCR exports NH3Concentration monitor module 602 is at least
Comprising several NOx sensors and 1 gas element analyzer;The SCR exports NH3
Concentration monitor module 602 comprises at least several high temperature heat tracing type sampling probes and 1 semiconductor laser
Gas analyzer;The spray ammonia controller module 603 can at least realize gas concentration data analysis,
Ammonia spraying amount analysis, regulating command generate and issue function;The remote electrically controlled adjustment module 604 is at least
Comprising electric control valve, standard communication interface, DCS data transmission channels.
The terminal is used for the man-machine interface of the personnel such as fuel management, power plant's operation;The clothes
Business device comprises at least software systems runtime server, communication management server, database server;Institute
State the network equipment and include interchanger, router.
The course of work of this example:Above-mentioned modules substantially one thermal power plant's fuel overall process of composition
Intelligent management system, fuel thermal power plant need successively taken by fuel purchases, stock, heap, coal blending,
Could be used to generate electricity and gas discharge after burning, the spray big flow of ammonia six, wherein fuel purchases subsystem
1 Optimal Decision-making for being used to realize coal fuel purchases, inventory management subsystem 2 is used to realize coal storehouse
The management that optimization and coal are marched into the arena is deposited, fuel assembly takes subsystem 3 for realizing that the automatic heap of coal fuel takes
Management, coal blending decision-making subsystem 4 be used for realize variety classes coal intelligently mix configuration, burn it is excellent
Sub-systems 5 are used to realize the adjustment of fuel combustion optimisation strategy and combustion efficiency evaluation, spray ammonia control
System 6 is used to realize the On-line Control to equipment for denitrifying flue gas ammonia spraying amount.
The course of work of fuel purchases subsystem 1 is:The coal information of history accumulation is stored in coal number
According to library module 101, module 101 exports coal data message to coal-fired cost profit computing module 102
Cost and profit to each coal are calculated, inexpensive high profit coal data output to coal quality
103 pairs of each coals of analysis module carry out attributional analysis, and are evaluated by ore deposit point according to information such as distances
106 pairs of condition as delivered evaluations of buying ore deposit point of module, evaluation result is combined with coal prediction module 104
The next month coal consumption of offer and the remaining coal quantity provided with coal statistical module 105, output information to
Procurement decisions module 107, finally by the 107 optimal procurement strategies for providing fuel.
The course of work of inventory management subsystem 2 is:Each coal is exported by coal yard 4D mapping modules 201
To coal surplus management module 202, the output of module 202 is combined distribution, the coal use information of field
The next month coal consumption and coal plan approach control module 204 provided with coal prediction module 203 are provided
Plan march into the arena coal amount to stock's Optimal calculation module 205, finally calculated by module 205 optimal
Fuel quantity in stock.
The course of work that fuel assembly takes subsystem 3 is:The coal provided by coal blending decision-making module 301 is mixed
And data, take coal strategy using take that coal decision-making module 302 calculates least cost, and recorded by taking coal
The coal information that takes of 304 pairs of each coal yards of module is recorded, and is carried using come coal MIM message input module 303
The information such as coal, quantity, the ore deposit point of confession, and binding modules 304 are made by coal piling decision-making module 305
The optimal piling strategy of coal yard of fuel is made, coal piling information is carried out by coal piling logging modle 306 then
Record.
The course of work of coal blending decision-making subsystem 4 is:It is input into by coal blending manual intervention module 401 various
Coal blending knowledge, and coal blending knowledge base 402 is stored in, the output of module 402 uses coal plan with week
Each coal yard coal that the next week that module 403 is provided is provided with coal plan and coal yard situation statistical module 404
The species and quantity situation planted, by intelligent coal blending decision-making module 405 to coal, coal yard, quantity etc.
Configuration provides optimal policy.
The course of work of burning optimization subsystem 5 is:By coal bunker dynamic surveillance module 501 to coal bunker
Coal is used and surplus carries out dynamic surveillance, and provides burning data for whole energy consumption assessment module
The energy resource consumption of 502 pairs of combustion processes is estimated, then burns intelligent Evaluation module 503 to coal blending by mixing
The effect for mixing burning provides evaluation, the boiler combustion effect that bonded boiler efficiency of combustion evaluation module 504 is provided
The combustion strategies of fuel are optimized by rate rank using burning optimization Developing Tactics module 505.
The course of work of spray ammonia control subsystem 6 is:SCR exit and entrances NOX/O2Concentration is supervised
Survey module 601 carries out gas concentration sampling, SCR outlets using the nitrogen oxides probe that subregion is arranged
NH3Concentration monitor module 602 is using several high temperature heat tracing type sampling probes to NH3Concentration sample,
Above-mentioned sampled result carries out analysis of components to gas respectively through gas analyzer, and gas ingredients data are passed
It is defeated to spray ammonia controller module 603, the spray for providing SCR by logic judgment by module 603 is according to quantity
Control instruction, and remote electrically controlled adjustment module 604 is issued to, then adjusted specifically by module 604
Ammonia spraying amount.
Advantages of the present invention:The present invention can expand the mixed-fuel burning proportion of economic coal in thermal power plant, reduce
Coal-fired purchase cost;By scientific matching and burning optimization, under the conditions of equal fire coal, pot can be improved
The efficiency of furnace, reduces net coal consumption rate;Taken by stock, heap, coal blending, burning overall process optimization, can drop
Low burn coal calorific value is lost, and reduces stock's occupied fund;By spraying ammonia On-line Control, SCR can be improved
The operation and management level and operational efficiency of device, reduce discharge of the thermal power plant to NO_x in Air Environment
Amount.
It is finally it should be noted that above content is merely illustrative of the technical solution of the present invention rather than right
The limitation of the scope of the present invention, one of ordinary skill in the art is carried out to technical scheme
Simple modification or equivalent, all without departing from the spirit and scope of technical solution of the present invention.
Claims (7)
1. a kind of thermal power plant's fuel overall process intelligent management system, it is characterised in that:Adopted including fuel
Purchase subsystem, inventory management subsystem, fuel assembly take subsystem, coal blending decision-making subsystem, burn it is excellent
The camera of sub-systems and indispensability, gas analyzer, sensor, terminal, server and
The network equipment.
2. a kind of thermal power plant's fuel overall process intelligent management system according to claim 1, its
It is characterised by:The fuel purchases subsystem comprises at least coal DBM, coal-fired cost profit
Computing module, coal quality analysis module, with coal prediction module, with coal statistical module, ore deposit point evaluate
Module, procurement decisions module.
3. a kind of thermal power plant's fuel overall process intelligent management system according to claim 1, its
It is characterised by:The inventory management subsystem comprises at least coal yard 4D mapping modules, coal surplus pipe
Reason module, with coal prediction module, coal plan approach control module, stock's Optimal calculation module.
4. a kind of thermal power plant's fuel overall process intelligent management system according to claim 1, its
It is characterised by:The fuel assembly take subsystem including at least coal blending decision-making, take coal decision-making, windrow decision-making,
Take coal record, come coal information input, coal piling decision-making, coal piling logging modle.
5. a kind of thermal power plant's fuel overall process intelligent management system according to claim 1, its
It is characterised by:The coal blending decision-making subsystem at least should comprising coal blending decision-making module, take coal decision-making module,
Carry out coal MIM message input module, take coal logging modle, coal piling decision-making module, coal piling logging modle composition.
6. a kind of thermal power plant's fuel overall process intelligent management system according to claim 1, its
It is characterised by:The burning optimization subsystem comprises at least coal bunker dynamic surveillance module, whole energy consumption and comments
Estimate module, mix burning intelligent Evaluation module, boiler combustion efficiency evaluation module, burning optimization Developing Tactics
Module.
7. a kind of thermal power plant's fuel overall process intelligent management system according to claim 1, it is special
Levy and be:The spray ammonia control subsystem comprises at least SCR exit and entrances NOX/O2Concentration monitor
Module, SCR outlets NH3Concentration monitor module, spray ammonia controller module, remote electrically controlled adjustment module.
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CN111091230A (en) * | 2019-11-20 | 2020-05-01 | 国电浙能宁东发电有限公司 | Scientific coal blending co-combustion system based on coal full-value chain management of coal-fired power plant |
CN112785345A (en) * | 2021-02-03 | 2021-05-11 | 贵州乌江水电开发有限责任公司 | All-round power generation fuel management system |
CN112903272A (en) * | 2021-01-25 | 2021-06-04 | 凯龙高科技股份有限公司 | SCR catalyst NH3 storage calibration test device and method |
CN113126578A (en) * | 2021-03-08 | 2021-07-16 | 华能秦煤瑞金发电有限责任公司 | Full life cycle intelligent management and control system and method for coal-fired power plant |
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CN113126578A (en) * | 2021-03-08 | 2021-07-16 | 华能秦煤瑞金发电有限责任公司 | Full life cycle intelligent management and control system and method for coal-fired power plant |
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Application publication date: 20170531 |