CN105243457A - Internet and thermal power plant heat production operation integrated management platform - Google Patents
Internet and thermal power plant heat production operation integrated management platform Download PDFInfo
- Publication number
- CN105243457A CN105243457A CN201510755309.6A CN201510755309A CN105243457A CN 105243457 A CN105243457 A CN 105243457A CN 201510755309 A CN201510755309 A CN 201510755309A CN 105243457 A CN105243457 A CN 105243457A
- Authority
- CN
- China
- Prior art keywords
- heating power
- control
- subsystem
- demand
- internet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses an internet and thermal power plant heat production operation integrated management platform. The internet and thermal power plant heat production operation integrated management platform comprises a centralized dispatching control center, six important functional subsystems such as a heat and power generation optimized dispatching subsystem, a heat transmission and control subsystem, a pipe network safety management subsystem and the like, as well as long-distance pipe networks and user control terminals, wherein the user control terminals are accessed to the internet through a mobile communication network; the centralized dispatching control center and the functional subsystems are connected with each other through an industrial control network and connected with the internet; the heat and power generation optimized dispatching subsystem is connected with DCS of each generator set through the industrial control network; and the heat transmission and control subsystem is connected with each long-distance pipe network and each user control terminal through the internet and the mobile communication network. Through the internet and the private network, the heat production and operation businesses and the target requirements of the thermal power plants are integrated on one platform, so that the data share and business integration are realized, the production and operation efficiency is optimized, and the economic dispatching operation level and the enterprise management level are improved.
Description
Technical field
The present invention relates to the whole new set of applications of a kind of internet+cogeneration plant's heating power production and operation management, belong to internet+Industry Control, telecommunication technique application.
Background technology
Along with the propelling that country's " energy-saving and emission-reduction " policy and prevention and control of air pollution are taken action, the little thermoelectricity of high pollution high energy consumption is progressively closed down, the substitute is increasing coal-fired large-sized unit and start external heat supply, these to be transformed by heat supply based on the power plant of generating in the past progressively becomes cogeneration plant, and heating power production and operation manages one of main business becoming these power plant.
Current along with the development of heat supply pipeline heat preservation technology, cogeneration plant's heat supply distance is more and more longer, heating range is increasing, heat user more and more disperses, but cogeneration plant still rests on traditional mode about on heating power operation management, technical merit is not high, and Comparison of Management is extensive, and the aspects such as planned, economy, real-time, opening, efficiency are all anxious to be hoisted.Major drawbacks is as follows: 1) single heating power supply regulating measure, namely power plant's general export heating power supply is only regulated, cause whole pipe network thermal parameter (flow, pressure, temperature) to raise to raise together, reduce and reduce together, thermal parameter for each branch line pipe network and user lacks long-range fine adjustment control device, easily causes the loss in heating power course of conveying and diseconomy.2) heating power production shortage foreseeability and planned meeting cause generating fluctuation, due to the demand of heat user cannot be obtained in advance, heating power is produced and can only be changed along with heat user actual demand change, cause cogeneration plant's heating power and generating production two aspect to influence each other, for the response speed of electrical network and user's request and precision poor.3) contingency management level is lower, lacks emergency disposal technological means, namely when cogeneration plant's unit or certain pipe network branch line break down, can only adopt Advise By Wire mode, cannot excise immediately or transfer load, easily causes larger for thermal break impact.4) heat user metering adopts manual type with clearing great majority, namely manual metering, manual list processed, express delivery send document, visit charge, bank transfer etc., although also have employing pre-payment and Net silver mode, overall or relatively backward.
Along with technology develop rapidlys such as internet, mobile communication, Industry Control, ecommerce, network finance, large data, designing and developing a set of unified platform system being applicable to cogeneration plant's heating power operation management becomes possibility.By integrated internet+technological achievement such as Industry Control, telecommunication, cogeneration plant can be produced whole business integrations of operation management a plateform system from heating power, thus realize dispatching from the application of user's heat demand, planning management, cogeneration plant's heating power and generation optimization, heating power carries and user controls, on-line metering, Information issued are shared until the integrated management of payment and settlement line.
This systematic management system system is by a centralized-control center, six critical function subsystems, the remote control terminal of each user and pipe network and each heat user composition, centralized control center is the command centre of heating power production and operation control, data center, six functional subsystems bear corresponding service function respectively, realize management expectancy, each long-range and user control terminal collection also uploads real-time thermal parameter data, and receive the conveying of cogeneration plant heating power and go to by-pass valve control topworks with the instruction that control subsystem is sent, cogeneration plant production and operation personnel realize integrated monitoring and management by centralized control center.
Internet+Industry Control, telecommunication technique thought are applied in cogeneration plant's heating power production and operation management, be not only the innovation of technology management level, and be the innovation of heating power market management patterns, will be conducive to promoting cogeneration plant heating power produce and operation management to standardization, networking, digitizing, hardware and software platform until intelligent direction develops.
Summary of the invention
Goal of the invention: the object of the invention is to design and develop one and merged internet+Industry Control, telecommunication technique application, contain the systematic management system system of cogeneration plant's heating power production and operation management overall process, to realize the standardization of the service management such as heating power production, conveying, metering, clearing, networking, robotization, digitizing, electric commerce-change, thus improve security, economy and holistic management level.
Technical scheme: for achieving the above object, the present invention adopts following technical scheme:
By internet+industrial control network, mobile communications network, cogeneration plant's heating power production and operation systematic management system various piece is connected, form data and the interconnected brand-new system topological framework melted mutually of function, comprise central control level, function application layer and terminal control layer three-layer network framework, wherein central control level is a centralized-control center, produces and operation for centralized management and monitoring heating power; Function application layer comprise six critical function subsystems as: heating power and generation optimization scheduler subsystem, heating power carry with control subsystem, network security ADMINISTRATION SUBSYSTEM, program management subsystem, integrated information issues with Query Subsystem, settle accounts and ecommerce subsystem, for realize heating power production and run in every business and function; Terminal control layer comprises some long-range pipe networks and user control terminal, and described long-range pipe network and user control terminal are by mobile communication network accessing Internet.Described centralized-control center is connected and accessing Internet by industrial control network with each critical function subsystem, described heating power and generation optimization scheduler subsystem and cogeneration plant each unit scattered control system (DCS) is connected by industrial control network, the conveying of described heating power is connected by internet and mobile communications network with user control terminal with each long-range pipe network with control subsystem, individual user and cogeneration plant realized a plan by internet manage, charging method and exchanges data.By internet and industrial network, cogeneration plant's heating power is produced under being all incorporated into a platform with the whole business of operation and target call, realize data sharing and integrated services, optimize production and operation efficiency, realize managing operation and management and promote.
Further, described heating power and generation optimization scheduler subsystem comprise:
Based on unit heating power and the optimum control for generation module that all can balance control strategy, heat demand and generation load demand are merged as unit overall energy requirement, boiler master instruction response generating and the change of heat supply overall energy requirement, the turbine main control instruction response power of the assembling unit and extraction flow changes in demand, heat supply extraction valve bit instruction is taken into account and is controlled pressure of steam supply for generation load impact, improve thus and optimize conventional coal unit cooperation control logic, solve conventional power generation usage priority acccess control strategy and bring heat demand response lag, thermal parameter fluctuates excessive drawback, response heating power and generation load demand side search out equilibrium point fast at the same time, realize electricity, the hot equilibrium of supply and demand is coordinated.
And, based on the dispatch of unit load module of principle of optimality, according to cogeneration plant's each units consumption level and status of equipment, pass through optimization method, by heat demand and generation load demand, in each unit, carry out dynamic load distribution respectively, make meeting under identical heating power and the total output condition of generation load, cogeneration plant's comprehensive electric generating and, efficiency level optimum minimum for thermal energy consumption.
Described heating power conveying and control subsystem, comprising:
Each pipe network, user's thermal parameter regulable control module, using user's thermal parameter demand or system requirements as setting value, real-time thermal parameter is as value of feedback, according to closed loop control logic, send steering order in real time, by long-range pipe network and user control terminal, the valve actuator of remote adjustment pipe network and user, realizes accurately controlling one to one.
Internet communication administration module, by internet, mobile network communication, realizes subsystem controls main frame and the both-way communication between long-range pipe network and user control terminal, the transmission of thermal parameter data and steering order.
And visual control module, at appointment important area, by mobile communication network and internet, transmits real-time video monitoring image, realizes remote monitoring and unmanned.
Further, described network security ADMINISTRATION SUBSYSTEM, comprising:
Heat user dsm module, according to user's heat type, is divided into interruptible price, partial interruption, not interruptible price isopreference level is other, forms the sequencing interrupting heating power supply; According to user's heat parameter request, the lower bound under preset part heating power supply condition and high limit parameter guarantee value.
And, the safe emergency preplan module of pipe network operation, break down or pipe network equipment appearance exception at cogeneration plant's unit, when can not ensure that normal heating power is supplied, according to fault effects degree, I, II, III grade of (I grade for the highest) emergency disposal prediction scheme is set, when an error occurs, subsystem starts emergency disposal program manually or automatically, by the mode of emergency cut-off or heat of transfer load, quick adjustment particular remote pipe network and user control terminal, excision is a small amount of, part or most users, impact is dropped to minimum.
Further, described long-range pipe network and user control terminal, comprising:
The mobile communication module, Programmable Logic Controller, integrated instrument, I/O terminal, power module etc. of Specialty Design form the outdoor version control terminal case of high-performance, high-protection level, realize Real-time Collection and upload sensor, parameter of actuating mechanism on the spot, receive higher level's control system steering order, regulate topworks on the spot, ensure the function of required thermal parameter.
Beneficial effect: applying Internet+telecommunication of the present invention, industrial control technology, first by huge, cogeneration plant's heating power of dispersion and complexity produces and the whole business procedure of operation control is incorporated on a management platform system, pass through internet, industry net, wireless networks etc. are by cogeneration plant, control object, heat user is closely connected together, establish data center, control center, settlement center, realize integrated management, be not only the innovation of technical merit, and be the innovation of management mode, cogeneration plant heating power is produced and operation control to networking, digitizing, robotization is until intelligent development proposes brand-new standard and pilot, to greatly promote the rapid advances of heating power industrial technology and management level, major advantage comprises:
1) establish and contain the heating power production and operation and manage the data center of whole business procedure, control center, settlement center
Overwhelming majority cogeneration plant adopts conventional heat to produce and management model, each business procedure relative distribution, independence, and data message is not shared, and lacks planned, relevance, and technology and ladder of management fall behind, and efficiency is very low.The plateform system of integrated management, establishes data center, control center, settlement center, the basic all drawbacks solving original management mode.
2) use disparate networks by cogeneration plant, control object and heat user compact siro spinning technology
In tradition heating management pattern, cogeneration plant and heat user rely on phone contact, and the plateform system of integrated management, applies various network by cogeneration plant, heat user, control object three compact siro spinning technology, both sides of supply and demand business relations and demand response faster, more transparent, digitizing more.
3) realize cogeneration plant's heating power to dispatch and economical operation with generating Optimizing manufacture
Propose unit heating power and the Optimal improvements logic of the cooperation control that generates electricity, introduce overall energy balance strategy, solved one-sided response electricity or thermal load in the past well and change and cause the drawback of fluctuation on the other hand; Propose employing optimization method, solve the generating between each unit and heating power load dynamic assignment, minimum for objective function always to consume energy, to meet overall energy requirement for constraint condition, make cogeneration plant meet overall energy consumption optimum under identical generating and heat demand condition.
4) accurate adjustment and the visual control of remote equipment is realized
By mobile communication network and industrial control technology, the real-time closed-loop realizing each heat user controls, ensure the accurate adjustment of desired value, remote visualization technology achieves the running safety monitoring of important control object beyond overlength distance, greatly improves control reliability.
5) introduce heat user dsm, increase heat supply safety and reliability
Combine by user's request side management with for thermal break contingency management innovatively, this strategy is introduced in heating system emergency disposal scheme, heat user is carried out differentiated control, when breaking down property, adopt transfer load, excise Secondary Users fast, guarantee the disposal method of emphasis user, user's loss is dropped to minimum.
6) open type data service, data sharing and comprehensive inquiry
Diversified internet data service is provided, increase data sharing and transparent, support comprises mobile terminal APP, and the inquiry mode more easily such as micro-letter platform, heat user can realize integrated data inquiry whenever and wherever possible, inquires about the information such as, dun, payment and settlement accumulative from requirement approval, the production schedule, actual provision, parameter error, cycle.
7) innovate electric business's mode and sell heating power commodity
Using heating power as the commodity can sold on networking, break through conventional heat and produce the pattern of selling, from user's request application, the conveying of the heating power production schedule, heating power, user's control, handing-over metering, clearing payment, comprehensive inquiry etc. are all carried out on network, completely according to internet electricity quotient module formula, innovation realization cogeneration plant produces from heating power order, the internet that produces, be dispensed into clearing, manages new model.
8) flexile internet payment and clearing
Various informative with safe and reliable internet payment and clearing, ensure that heat user pays more convenient, faster.
Accompanying drawing explanation
Fig. 1 is systematic management system system topology schematic diagram of the present invention.
Fig. 2 is heating power of the present invention and generation optimization scheduler subsystem theory structure schematic diagram.
Fig. 3 is turbine control logical schematic after improving in the embodiment of the present invention.
Fig. 4 is boiler implosion logical schematic after improving in the embodiment of the present invention.
Fig. 5 is heat supply extraction pressure steering logic schematic diagram after improving in the embodiment of the present invention
Fig. 6 is embodiment of the present invention medium-long range pipe network and user control terminal theory structure schematic diagram.
Embodiment
Below in conjunction with specific embodiment, illustrate the present invention further, these embodiments should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after having read the present invention, the amendment of those skilled in the art to the various equivalent form of value of the present invention has all fallen within the application's claims limited range.
Disclosed in the embodiment of the present invention, cogeneration plant's heating power production and operation systematic management system is made up of Three Tiered Network Architecture, upper strata is centralized-control center, middle layer is heating power and generation optimization scheduler subsystem, heating power conveying and control subsystem, six critical function subsystems such as network security ADMINISTRATION SUBSYSTEM, centralized-control center is connected and accessing Internet by industrial control network with each functional subsystem, third layer is positioned at pipe network or user each long-range pipe network on the spot and user control terminal, each terminal is by mobile communications network and linking Internet middle layer correlation subsystem, each heat user is by linking Internet correlation subsystem.The whole business of heating power operation management is undertaken interconnected by internet, wireless network, industrial control network and dedicated network, complete data, the collection of instruction, transmission, process and share, realize the management expectancy of every operation flows such as demand, plan, scheduling, control, metering and clearing, system network topology as shown in Figure 1.
The structure Composition and distribution of this systematic management system system is described as follows:
One, centralized-control center
Centralized-control center is arranged in cogeneration plant, be the command centre of heating power operation management, data center, be made up of hardware devices such as some servers, operator station, engineer station, fire wall, gateway, switch, interface message processor (IMP), real-time data base, historical data base, giant-screen, the network printers.
Two, six critical function subsystems
Six subsystems are service management and the application core of systematic management system system, six subsystems respectively: (1) heating power and generation optimization scheduler subsystem; (2) heating power conveying and control subsystem; (3) network security ADMINISTRATION SUBSYSTEM; (4) program management subsystem; (5) integrated information is issued and Query Subsystem; (6) clearing and ecommerce subsystem.
(1) heating power and generation optimization scheduler subsystem
Heating power and generation optimization scheduler subsystem theory structure schematic diagram are as shown in Figure 2.
1, based on unit heating power and the optimum control for generation module that all can balance control strategy
Cogeneration plant's heating power is all produce as required with generating, and power generation needs is from dispatching of power netwoks, and heat demand is from dispersion heat user, and both do not contact, but jointly form the aggregate demand for energy in cogeneration plant side.When total output is certain, the change of a side will inevitably cause the disturbance of the opposing party.Realizing the key of heating power and generation load Optimized Operation, is resolve the balance coordination problem of cogeneration plant in heating power and generating two.The present invention is based on the unit heating power and optimum control for generation module that all can balance control strategy, heat demand and generation load demand is proposed to merge as unit overall energy requirement, and improve conventional coal unit cooperation control logic, solve conventional coal unit electrical generation priority control strategy bring heat demand response lag, thermal parameter fluctuates excessive drawback, response heating power and generation load demand side search out equilibrium point fast at the same time, realize electricity, the hot equilibrium of supply and demand is coordinated.
As shown in Figure 3, the turbine control logic after improvement: as thermal load demands Q
0when changing, the change of the unit heat supply amount of drawing gas Q directly affects the quantity of steam entering steam turbine acting, and then disturbance is produced to the real power N of sending out and main vapour pressure, the disturbance of thermal load is incorporated in turbine main control instruction control loop as feedforward, make steamer owner vapour pitch advancement, just can eliminate fast because thermal load changes the steam turbine disturbance caused.In turbine control logic after improvement, grid generation workload demand N
0the deviation of sending out power N real in unit, through pi regulator, forms the instruction of steam turbine Load Regulation, thermal load demands Q
0with the deviation of current heating load Q, through function f (x), calculate unit generation load adjustment amount corresponding to heat supply extraction flow, as feedforward, turbine main control instruction is formed, in order to quick responsive electricity grid generation load demand, then by N with the instruction of steam turbine Load Regulation
0through the signal of proportioner K as feedforward, be applied directly in turbine main control instruction, dead band amplifier is set simultaneously, as pressure divergence P before stop valve
0when-P exceeds preset range, output order, the instruction of restriction turbine main control changes further.Above-mentioned steering logic can realize balance coordination response generating and heating demand demand, eliminate disturbance function, ensures unit generation and supplies thermally-stabilised.
As shown in Figure 4, boiler implosion logic after improvement: full energy balance and coordination strategy is exactly be added generation load and heating demand as overall energy requirement, in this, as the total demand for fuel of boiler, the change of boiler master instruction must meet unit generation load and heating demand changes in demand simultaneously, ensure that required energy equilibrium like this on source.In boiler implosion logic after improvement, grid generation workload demand N
0through function f (x)
1calculate corresponding fuel quantity C
0, C
0with the deviation of boiler natural fuel amount C through pi regulator, form boiler load regulating command.Heating demand demand Q
0with the deviation of actual heating load Q through f (x)
2calculate corresponding boiler fuel increment, as feedforward, form boiler master instruction with boiler load regulating command, the energy so just making boiler produce meets generation load and heat demand all the time.Consider that boiler is the controlled device of a large time delay, in order to quick responsive electricity grid generation load demand N
0change, by N
0proportion differential signal as feedforward, be directly added in boiler master instruction, boiler master instruction goes to control the system such as boiler fuel, air-supply, feedwater more respectively.Above-mentioned steering logic can realize balance coordination response generating and heating demand demand, eliminate disturbance function, ensures unit generation and supplies thermally-stabilised.
As shown in Figure 5, heat supply extraction pressure steering logic after improvement: when unit generation load occurs significantly to change, steamer owner vapour pitch also can correspondingly significantly change, and then affect the vapor pressure Pr that heat supply draws gas, disturbance is produced to thermal load, single traditional pid control circuit regulates the aperture of heat supply extraction control valve, there is comparatively large time delay, can not eliminate disturbance in time.In steering logic after improvement, by generation load command N
0rate of change △ N
0the disturbance factor impact produced is incorporated in pid control circuit as feedforward, by the method for thermal test, draws respective function relation f (x) of generation load rate of change and extraction regulation valve opening adjustment amount.The vapor pressure setting value Pr that heat supply is drawn gas
0with the deviation of currency Pr, through PID regulator, form extraction control valve opening degree instruction, as generation load instruction rate of change △ N
0when being greater than certain numerical value, through function f (x), calculate corresponding valve opening adjustment amount, as feedforward, be applied directly on extraction control valve opening degree instruction, instruction μ
0rapid adjustment valve opening.Above-mentioned steering logic can realize eliminating unit generation fast to thermal load disturbance function, ensures that thermal load is stablized.
2, based on the dispatch of unit load module of principle of optimality
To give chapter and verse cogeneration plant's each units consumption level and status of equipment, pass through optimization method, minimum as objective function using full factory energy consumption, external overall energy requirement is as constraint condition, the dynamic assignment between cogeneration plant's each unit by external heating power and generation load demand, make meeting under identical heating power and generation load overall energy requirement condition, realize cogeneration plant's generating and heat supply comprehensive energy consumption is minimum, efficiency level optimum, thus reach benefit optimum.Energy consumption level such as net coal consumption rate, heat supply coal consumption, the station service power consumption rate etc. of each unit carry out mensuration sequence by thermal test method.
(2) heating power conveying and control subsystem
1, each pipe network, user's thermal parameter regulable control module
Set up the close loop control circuit one to one of each pipe network and user's control object, using demand parameter as setting value, using actual parameter as feedback, send steering order in real time, by long-range pipe network and user control terminal, realize accurately controlling one to one valve actuator.
2, internet communication administration module
By internet, mobile network communication, realize subsystem controls main frame and the both-way communication between long-range pipe network and user control terminal, ensure the transmission of thermal parameter data acquisition and control instruction.
3, visual control module
At indivedual important area (as heat supply first and last station, important branch line, responsible consumer etc.), video capture device is set, by mobile communication network and internet, transmits real-time video monitoring image, realize remote monitoring and unmanned.
(3) network security ADMINISTRATION SUBSYSTEM
1, heat user dsm module
According to user's heat type, be divided into interruptible price, partial interruption, not interruptible price isopreference level are other, form the sequencing interrupting heating power supply; According to user's heat parameter request, the lower bound under preset part heating power supply condition and high limit parameter guarantee value.
2, the safe emergency preplan module of pipe network operation
Break down or pipe network equipment appearance exception at cogeneration plant's unit, when can not ensure that normal heating power is supplied, according to fault effects degree, arrange I, II, III grade of (I grade for the highest) emergency disposal prediction scheme, when an error occurs, subsystem starts emergency disposal program manually or automatically, by cutting off or the mode of heat of transfer load, quick adjustment particular remote pipe network and user control terminal, excise on a small quantity, partly until most users, impact dropped to minimum.
(4) application of heat user demand and program management subsystem
1, demand application module
Cogeneration plant offers dedicated web site, accepts each user and makes a report on application day part heating power supply requirement 24 hours next day (comprising thermal parameter) and week expectation, moon expectation application.After system gathers, form time daily amount and the plan of each user time-sharing heat demand.
2, requirement approval module
According to cogeneration plant's unit equipment situation and heat capacity, system is manually audited next day, week expectation, moon demand-expected plan automatically or by cogeneration plant production planning management personnel, forms heating power supply plan.
3, statistics, analysis, enquiry module.Both sides of supply and demand can enquiry module, finds deviation, Yi Jizhou, the moon of plan of needs and actual provision, adds up in year, so that both sides strengthen the accuracy of demand forecast and supply.
(5) integrated information is issued and Query Subsystem
Relevant data is in this classification, statistics, calculating, analysis, storage and backup, multiple network, mobile terminal enquiry function and data, services function are provided, and part both sides of supply and demand integrated data is carried out sharing and issuing, be convenient to user inquire about whenever and wherever possible, increase service-transparency degree, promote service level.
(6) clearing and ecommerce subsystem.
According to internet finance and internet electricity trade mark accurate, build clearing and payment platform, carry out on line and pay the fees, press for payment of, pay and the business such as prepaying charge, also can carry out heating power product from stock and futures internet business, innovate heating power sales mode.
Three, long-range pipe network and user control terminal
Control terminal realizes the accurate key controlled of heating power conveying, the outdoor type termination rack of high-protection level is made up of the part such as high speed wireless communication module, digital quantity and analog quantity modular converter, integrated intelligent instrument, small PLC controller, power module, the data of the sensors such as Real-time Collection, the temperature uploading pipeline steam on the spot, pressure, flow and pipeline motor regulated valve, receive the steering order that upper level system is sent, regulate or fast ON/OFF pipeline valve, realize the accurate adjustment to the supply of user's heating power.Fig. 6 is shown in by long-range pipe network and user control terminal theory structure schematic diagram.
Long-range pipe network also can select 4G network with user control terminal by mobile communication network GRPS() carry with heating power through internet again and be connected with user's control subsystem server, realize uploading image data, receiving steering order.Use GPRS technology to realize packet to send and receive, for user provide at a high speed, the virtual private data communication network of always online, transparent data transfer, GPRS theoretical bandwidth can reach 171.2Kbps, practical application bandwidth is greatly about 20 ~ 40Kbps, GPRS is widely applied to communicate at present in the department such as Automation of Electric Systems, industrial monitoring, its major advantage is: adopt mobile communications network, and transmission range is unrestricted, data can not be lost, system is always online, easy to maintenance, operating cost is lower in transmission.Heating power conveying and user's control subsystem can realize the adjustment operation of the user terminal valve being positioned at a distant place reliably, quickly and accurately, and communication robust, response rapidly, seldom occur tripping and invalid situation.Close loop control circuit is using heating power supply plan value as given, and actual parameter deviation is as feedback, and real-time Correction and Control instruction, can eliminate user's actual amount in time and change the disturbance caused, and ensures the basicly stable of customer parameter.
Long-range pipe network and user control terminal can Real-time Collections upload the various warning messages of each equipment, measure the transient data information of original paper, anti-interference is good, uploading data and real data deviation little, can simultaneously as in real time and historical data, carry out that classification stores, analysis and calculation is applied.
Conclusion: internet+cogeneration plant's heating power production and operation systematic management system can realize designed various functions well, under current internet+Industry Control, telecommunication technique and application background, suit cogeneration plant's administration and supervision authorities, production and managerial personnel completely for the new demand promoting heating power production and operation management, there is good practical reference value and application prospect.
Claims (9)
1. internet+cogeneration plant's heating power production and operation systematic management system, is characterized in that, comprising:
Central control level, comprises a centralized-control center, produces and operation for centralized management and monitoring heating power;
Function application layer: comprise heating power and generation optimization scheduler subsystem, heating power and carry and issue with Query Subsystem with control subsystem, network security ADMINISTRATION SUBSYSTEM, program management subsystem, integrated information and settle accounts and ecommerce subsystem six critical function subsystems, for realizing heating power production and the every business in runing and function;
Terminal control layer: comprise some long-range pipe networks and user control terminal;
Described long-range pipe network and user control terminal are by mobile communication network accessing Internet, and described centralized-control center is connected and accessing Internet by industrial control network with each subsystem; Described heating power and generation optimization scheduler subsystem and cogeneration plant each unit scattered control system (DCS) is connected by industrial control network; Described heating power conveying is connected by internet and mobile communications network with user control terminal with each pipe network with control subsystem.
2. cogeneration plant according to claim 1 heating power production and operation systematic management system, it is characterized in that, described heating power and generation optimization scheduler subsystem comprise:
Based on unit heating power and the optimum control for generation module that all can balance control strategy, heat demand and generation load demand are merged as unit overall energy requirement, boiler master instruction response generating and the change of heat supply overall energy requirement, the turbine main control instruction response power of the assembling unit and extraction flow changes in demand, heat supply extraction valve bit instruction is taken into account and is controlled pressure of steam supply for generation load impact, balance coordination heating power and generation load demand response, realize heating power and the generating equilibrium of supply and demand;
Based on the dispatch of unit load module of principle of optimality, according to cogeneration plant's each units consumption level and status of equipment, by heat demand and generation load demand by optimized method, the optimization carrying out heating power and generation load in each unit distributes, make meeting under identical heating power and generation load condition, cogeneration plant generating and heat supply comprehensive energy consumption is minimum, efficiency level optimum.
3. cogeneration plant according to claim 1 heating power production and operation systematic management system, is characterized in that, described heating power conveying and control subsystem, comprising:
Each pipe network user thermal parameter regulable control module, using user's thermal parameter demand or system requirements as setting value, real-time thermal parameter is as value of feedback, set up closed-loop control one to one, send steering order in real time, the valve actuator of remote adjustment pipe network and user, realize accurately controlling;
Internet communication administration module, by internet and mobile network communication, realizes heating power conveying and control subsystem main control system and the both-way communication between long-range pipe network and user control terminal, the transmission of thermal parameter data acquisition and control instruction;
Visual control module, at appointment important area, by mobile communication network and internet, transmits real-time video monitoring image, realizes remote monitoring and unmanned.
4. cogeneration plant according to claim 1 heating power production and operation systematic management system, it is characterized in that, described network security ADMINISTRATION SUBSYSTEM, comprising:
Heat user dsm module, according to user's heat type, comprise interruptible price, partial interruption, can not interrupt priority level other, form the sequencing interrupting heating power supply; According to user's heat parameter request, the lower bound under preset part heating power supply condition and high limit parameter guarantee value;
The safe emergency preplan module of pipe network operation, break down or pipe network equipment appearance exception at cogeneration plant's unit, when can not ensure that normal heating power is supplied, according to fault effects degree, arrange I, II, III grade of emergency preplan, when an error occurs, network security ADMINISTRATION SUBSYSTEM starts emergency disposal program manually or automatically, by interrupting or the mode of heat of transfer load, regulate particular remote pipe network and user control terminal.
5. cogeneration plant according to claim 1 heating power production and operation systematic management system, it is characterized in that, described long-range pipe network and user control terminal, comprising: mobile communication module, Programmable Logic Controller, integrated intelligent instrument, I/O terminal and power module.
6. cogeneration plant according to claim 1 heating power production and operation systematic management system, it is characterized in that, described program management subsystem comprises:
Demand application module, accepts user and makes a report on day part heating power supply requirement application next day, and week plans and monthly plan preliminery application, forms plan of needs and gathers;
Requirement approval module, according to cogeneration plant's unit situation and heat capacity, by cogeneration plant production planning management personnel manual or system automatically to next day, to estimate in week and moon demand-expected plan is examined, form heating power supply plan;
Inquiry and statistical analysis module, for providing inquiry, statistics and analysis function to both sides of supply and demand.
7. cogeneration plant according to claim 2 heating power production and operation systematic management system, is characterized in that, in described unit heating power based on balancing control strategy and optimum control for generation module, the steering logic of steam turbine is: grid generation workload demand N
0the deviation of sending out power N real in unit, through pi regulator, forms the instruction of steam turbine Load Regulation, thermal load demands Q
0with the deviation of current heating load Q, through function f (x), calculate unit generation load adjustment amount corresponding to heat supply extraction flow, as feedforward, turbine main control instruction is formed, in order to quick responsive electricity grid generation load demand, then by N with the instruction of steam turbine Load Regulation
0through the signal of proportioner K as feedforward, be applied directly in turbine main control instruction, dead band amplifier is set simultaneously, as pressure divergence P before stop valve
0when-P exceeds preset range, output order, the instruction of restriction turbine main control changes further.
8. cogeneration plant according to claim 2 heating power production and operation systematic management system, is characterized in that, in described unit heating power based on balancing control strategy and optimum control for generation module, the steering logic of boiler is: grid generation workload demand N
0through function f (x)
1calculate corresponding fuel quantity C
0, C
0with the deviation of boiler natural fuel amount C through pi regulator, form boiler load regulating command; Heating demand demand Q
0with the deviation of actual heating load Q through f (x)
2calculate corresponding boiler fuel increment, as feedforward, form boiler master instruction, simultaneously by N with boiler load regulating command
0proportion differential signal as feedforward, be directly added in boiler master instruction.
9. cogeneration plant according to claim 2 heating power production and operation systematic management system, it is characterized in that, in described unit heating power based on balancing control strategy and optimum control for generation module, heat supply extraction pressure steering logic is: the vapor pressure setting value Pr that heat supply is drawn gas
0with the deviation of currency Pr, through PID regulator, form extraction control valve opening degree instruction, as generation load instruction rate of change △ N
0when being greater than predetermined value, through function f (x), calculate corresponding valve opening adjustment amount, as feedforward, be applied directly on extraction control valve opening degree instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755309.6A CN105243457B (en) | 2015-11-09 | 2015-11-09 | Internet+steam power plant's heating power production and operation systematic management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755309.6A CN105243457B (en) | 2015-11-09 | 2015-11-09 | Internet+steam power plant's heating power production and operation systematic management system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105243457A true CN105243457A (en) | 2016-01-13 |
| CN105243457B CN105243457B (en) | 2019-03-29 |
Family
ID=55041094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510755309.6A Active CN105243457B (en) | 2015-11-09 | 2015-11-09 | Internet+steam power plant's heating power production and operation systematic management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105243457B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014515A (en) * | 2016-06-27 | 2016-10-12 | 南京苏夏工程设计有限公司 | Heat supply system with pure condensing unit for implementing electricity-heat cogeneration, and reformation method thereof |
| CN106014514A (en) * | 2016-06-24 | 2016-10-12 | 南京化学工业园热电有限公司 | Heat and power joint debugging control system and method |
| CN106354115A (en) * | 2016-11-18 | 2017-01-25 | 华电能源股份有限公司哈尔滨第三发电厂 | Informatization monitoring system for coal-fired unit |
| CN106527367A (en) * | 2016-07-15 | 2017-03-22 | 广西凯悦新源电力科技有限公司 | Hydropower station remote centralized control and quick service platform |
| CN106773644A (en) * | 2016-11-18 | 2017-05-31 | 国网山东省电力公司电力科学研究院 | A kind of AGC control systems and its method based on the change of the heat supply amount of drawing gas |
| CN106774242A (en) * | 2016-12-01 | 2017-05-31 | 黄宏伟 | The remote supervision system and method for a kind of generating set analog control system |
| CN107036066A (en) * | 2017-03-29 | 2017-08-11 | 浙江大学 | Biomass boiler remote monitoring system and its method based on wechat and cloud application |
| CN107272603A (en) * | 2016-04-06 | 2017-10-20 | 西门子公司 | demand response control method and device |
| CN108708775A (en) * | 2018-05-07 | 2018-10-26 | 华北电力大学 | Cogeneration units quick load change control method based on thermoelectricity load transition model |
| CN105824303B (en) * | 2016-05-17 | 2018-11-23 | 上海颖电控制技术有限公司 | A kind of distributed intelligence blind controller system and its method based on Internet of Things |
| CN109357310A (en) * | 2018-08-16 | 2019-02-19 | 东南大学 | Heat distribution pipe network safe and economical operation emergent treatment system |
| CN109739205A (en) * | 2019-03-04 | 2019-05-10 | 华能山东发电有限公司烟台发电厂 | Electric Actuator intelligent locking control method based on DCS system |
| CN109902927A (en) * | 2019-01-23 | 2019-06-18 | 新奥数能科技有限公司 | The control method and server of therrmodynamic system |
| CN110716425A (en) * | 2019-09-16 | 2020-01-21 | 华北电力大学 | Electric heat coordination control method for cogeneration unit |
| CN110970145A (en) * | 2019-11-28 | 2020-04-07 | 苏州热工研究院有限公司 | Nuclear power plant information system |
| CN111077868A (en) * | 2019-12-30 | 2020-04-28 | 国核电力规划设计研究院有限公司 | Smart power plant management and control system |
| CN112819288A (en) * | 2021-01-08 | 2021-05-18 | 西安热工研究院有限公司 | Method for calculating heat supply coal consumption and power supply coal consumption of cogeneration unit |
| CN113153464A (en) * | 2021-04-09 | 2021-07-23 | 华电电力科学研究院有限公司 | Method for increasing load response speed of steam turbine set by using condensate system |
| CN113359625A (en) * | 2021-05-19 | 2021-09-07 | 华电电力科学研究院有限公司 | Heat supply and management integrated platform system with network safety protection function and application |
| CN114110716A (en) * | 2021-11-24 | 2022-03-01 | 新疆天池能源有限责任公司 | Operation energy efficiency monitoring control system and method for thermoelectric unit, computer equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455364A (en) * | 2003-05-21 | 2003-11-12 | 大连理工大学 | Heat supply management information control system |
| CN101619850A (en) * | 2009-08-06 | 2010-01-06 | 杭州盘古自动化系统有限公司 | Dispatching method and dispatching system based on load online forecasting of thermoelectric power system |
| KR20110122414A (en) * | 2010-05-04 | 2011-11-10 | (주)디더블유아이 | Energy efficiency management system |
| CN103412526A (en) * | 2013-07-12 | 2013-11-27 | 国家电网公司 | Scheduling method of heat supply unit online load and system |
| CN103426032A (en) * | 2013-07-25 | 2013-12-04 | 广东电网公司电力科学研究院 | Method for economically and optimally dispatching cogeneration units |
| CN203848399U (en) * | 2014-04-29 | 2014-09-24 | 南通博士未来信息科技有限公司 | Thermal power plant heating network centralized management system based on sensor network |
| CN104791903A (en) * | 2015-04-30 | 2015-07-22 | 北京上庄燃气热电有限公司 | Intelligent heating network dispatching system |
-
2015
- 2015-11-09 CN CN201510755309.6A patent/CN105243457B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455364A (en) * | 2003-05-21 | 2003-11-12 | 大连理工大学 | Heat supply management information control system |
| CN101619850A (en) * | 2009-08-06 | 2010-01-06 | 杭州盘古自动化系统有限公司 | Dispatching method and dispatching system based on load online forecasting of thermoelectric power system |
| KR20110122414A (en) * | 2010-05-04 | 2011-11-10 | (주)디더블유아이 | Energy efficiency management system |
| CN103412526A (en) * | 2013-07-12 | 2013-11-27 | 国家电网公司 | Scheduling method of heat supply unit online load and system |
| CN103426032A (en) * | 2013-07-25 | 2013-12-04 | 广东电网公司电力科学研究院 | Method for economically and optimally dispatching cogeneration units |
| CN203848399U (en) * | 2014-04-29 | 2014-09-24 | 南通博士未来信息科技有限公司 | Thermal power plant heating network centralized management system based on sensor network |
| CN104791903A (en) * | 2015-04-30 | 2015-07-22 | 北京上庄燃气热电有限公司 | Intelligent heating network dispatching system |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272603B (en) * | 2016-04-06 | 2019-11-12 | 西门子公司 | Demand response control method and device |
| CN107272603A (en) * | 2016-04-06 | 2017-10-20 | 西门子公司 | demand response control method and device |
| CN105824303B (en) * | 2016-05-17 | 2018-11-23 | 上海颖电控制技术有限公司 | A kind of distributed intelligence blind controller system and its method based on Internet of Things |
| CN106014514A (en) * | 2016-06-24 | 2016-10-12 | 南京化学工业园热电有限公司 | Heat and power joint debugging control system and method |
| CN106014515A (en) * | 2016-06-27 | 2016-10-12 | 南京苏夏工程设计有限公司 | Heat supply system with pure condensing unit for implementing electricity-heat cogeneration, and reformation method thereof |
| CN106527367A (en) * | 2016-07-15 | 2017-03-22 | 广西凯悦新源电力科技有限公司 | Hydropower station remote centralized control and quick service platform |
| CN106354115A (en) * | 2016-11-18 | 2017-01-25 | 华电能源股份有限公司哈尔滨第三发电厂 | Informatization monitoring system for coal-fired unit |
| CN106773644A (en) * | 2016-11-18 | 2017-05-31 | 国网山东省电力公司电力科学研究院 | A kind of AGC control systems and its method based on the change of the heat supply amount of drawing gas |
| CN106773644B (en) * | 2016-11-18 | 2017-09-29 | 国网山东省电力公司电力科学研究院 | A kind of AGC control systems and its method changed based on the heat supply amount of drawing gas |
| CN106774242A (en) * | 2016-12-01 | 2017-05-31 | 黄宏伟 | The remote supervision system and method for a kind of generating set analog control system |
| CN107036066A (en) * | 2017-03-29 | 2017-08-11 | 浙江大学 | Biomass boiler remote monitoring system and its method based on wechat and cloud application |
| CN108708775B (en) * | 2018-05-07 | 2021-01-01 | 华北电力大学 | Quick load change control method of cogeneration unit based on thermoelectric load conversion model |
| CN108708775A (en) * | 2018-05-07 | 2018-10-26 | 华北电力大学 | Cogeneration units quick load change control method based on thermoelectricity load transition model |
| CN109357310A (en) * | 2018-08-16 | 2019-02-19 | 东南大学 | Heat distribution pipe network safe and economical operation emergent treatment system |
| CN109902927A (en) * | 2019-01-23 | 2019-06-18 | 新奥数能科技有限公司 | The control method and server of therrmodynamic system |
| CN109739205A (en) * | 2019-03-04 | 2019-05-10 | 华能山东发电有限公司烟台发电厂 | Electric Actuator intelligent locking control method based on DCS system |
| CN110716425A (en) * | 2019-09-16 | 2020-01-21 | 华北电力大学 | Electric heat coordination control method for cogeneration unit |
| CN110970145A (en) * | 2019-11-28 | 2020-04-07 | 苏州热工研究院有限公司 | Nuclear power plant information system |
| CN111077868A (en) * | 2019-12-30 | 2020-04-28 | 国核电力规划设计研究院有限公司 | Smart power plant management and control system |
| CN112819288A (en) * | 2021-01-08 | 2021-05-18 | 西安热工研究院有限公司 | Method for calculating heat supply coal consumption and power supply coal consumption of cogeneration unit |
| CN112819288B (en) * | 2021-01-08 | 2023-04-07 | 西安热工研究院有限公司 | Method for calculating heat supply coal consumption and power supply coal consumption of cogeneration unit |
| CN113153464A (en) * | 2021-04-09 | 2021-07-23 | 华电电力科学研究院有限公司 | Method for increasing load response speed of steam turbine set by using condensate system |
| CN113359625A (en) * | 2021-05-19 | 2021-09-07 | 华电电力科学研究院有限公司 | Heat supply and management integrated platform system with network safety protection function and application |
| CN113359625B (en) * | 2021-05-19 | 2024-03-12 | 华电电力科学研究院有限公司 | Heat supply management and control integrated platform system with network safety protection function and application |
| CN114110716A (en) * | 2021-11-24 | 2022-03-01 | 新疆天池能源有限责任公司 | Operation energy efficiency monitoring control system and method for thermoelectric unit, computer equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105243457B (en) | 2019-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105243457A (en) | Internet and thermal power plant heat production operation integrated management platform | |
| Chen et al. | Integrated demand response characteristics of industrial park: a review | |
| Wang et al. | Online voltage security assessment considering comfort-constrained demand response control of distributed heat pump systems | |
| JP5727063B1 (en) | Energy management apparatus, energy management system, energy management method and program | |
| AU2003296446B2 (en) | Aggregation of distributed generation resources | |
| WO2019241554A1 (en) | Distributed energy control | |
| JP6092099B2 (en) | Social infrastructure control system, control method, control device and server | |
| CN109190859A (en) | The more micro-grid systems of supply of cooling, heating and electrical powers type and its economic optimization dispatching method | |
| EP1436750A1 (en) | Method and system to calculate a demand for energy | |
| Yan et al. | Future evolution of automated demand response system in smart grid for low-carbon economy | |
| CN109167363A (en) | Energy internet system | |
| CN100414171C (en) | Method for real time centralized controlling electric generating set based on SO2 discharging | |
| CN108390373A (en) | A kind of closed loop network turn power supply aid decision-making system | |
| CN113888132A (en) | Energy management system of large-scale industrial enterprise | |
| CN105119291A (en) | Reactive voltage distribution type optimization control system and method | |
| CN209083407U (en) | Distributed busbar protection | |
| Potter et al. | Demand response advanced controls framework and assessment of enabling technology costs | |
| CN103730891A (en) | Micro-grid operational control method based on multiple agents | |
| CN112116492A (en) | Data sharing management system and method based on ubiquitous power Internet of things | |
| CN104868471A (en) | Static security aid decision making method for provincial power grid | |
| CN109377410A (en) | Control method, the control system of energy internet system | |
| CN109245158A (en) | Regional Energy station and its control method | |
| CN109268134A (en) | Distributed busbar protection and its control method | |
| CN109268685A (en) | Transmission & distribution net and its control method | |
| Wang et al. | Inter-provincial electricity spot market model for China |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |