CN108006783A - A kind of distributed energy cogeneration of heat and power control system and method - Google Patents
A kind of distributed energy cogeneration of heat and power control system and method Download PDFInfo
- Publication number
- CN108006783A CN108006783A CN201711368655.4A CN201711368655A CN108006783A CN 108006783 A CN108006783 A CN 108006783A CN 201711368655 A CN201711368655 A CN 201711368655A CN 108006783 A CN108006783 A CN 108006783A
- Authority
- CN
- China
- Prior art keywords
- steam
- boiler
- energy
- generating set
- heat
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D1/00—Steam central heating systems
- F24D1/02—Steam central heating systems operating with live steam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D1/00—Steam central heating systems
- F24D1/08—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1003—Arrangement or mounting of control or safety devices for steam heating systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
- H02J3/48—Controlling the sharing of the in-phase component
Abstract
The embodiment of the invention discloses a kind of distributed energy cogeneration of heat and power control system and method, which includes：First control unit, the steam pressure of the steam pipe network for gathering energy source user, and the steam pressure is handled, to generate the control component of steam boiler and regenerative apparatus respectively, and steam boiler and regenerative apparatus are controlled respectively according to control component；Second control unit, is handled for gathering the multi-energy data of steaming plant, and to the multi-energy data, to generate the controlled quentity controlled variable of generating set, and generating set is controlled according to the controlled quentity controlled variable of generating set；By the embodiment scheme, realize and coordinate each unit operation pattern according to load variations, ensure that system adapts to different working condition requirements, safe and stable, Effec-tive Function.
Description
Technical field
The present embodiments relate to heat supply process, espespecially a kind of distributed energy cogeneration of heat and power control system and method.
Background technology
Cogeneration of heat and power (CHP) is that heat and electricity are produced from same fuel.CHP has many forms, is related to many technologies, still
Generally it is all based on the integration system of power generation and recuperation of heat.By the heat outputting from power generation, applied to heating or industry,
CHP factories can usually make the fossil fuel of 75-80% be converted into effective energy, the efficiency of go-go CHP factories reach 90% with
On.It is near as the gas turbine cogeneration of heat and power technology of fuel using natural gas as the important motivity device in distributed energy resource system
Quickly grown over year, the system not only output electric energy, is also used for heat supply by the waste heat of low taste after power generation, substantially increases the energy
Utilization rate, has good social benefit, energy-saving benefit and environmental benefit.Gas turbine co-generation unit both can individually make
With providing heat, electric two kinds of energy at the same time for region；More can as one kind of distributed generation resource, with the identity of a subsystem and
Other distributed generation resources play a role in distributed energy resource system together.
For cogeneration of heat and power, the most critical issue to be solved is exactly the need for meeting user as far as possible in different periods to thermoelectricity
Change is asked, that is, rationally to solve co-generation system thermoelectricity output ratio and user to the contradiction between the demand ratio of thermoelectricity, so that
Co-generation system reaches optimal primary energy utilization ratio, especially in the presence of in the energy resource system of multiple distributed generation resources, it is necessary to
Coordinate the operational mode of each unit, it is also contemplated that the hysteresis quality of heat supply and load variations adverse effect.
The content of the invention
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides a kind of distributed energy cogeneration of heat and power control to be
System, can coordinate each unit operation pattern according to load variations, ensure that system adapts to different working condition requirements, safe and stable, high
Effect operation.
In order to reach purpose of the embodiment of the present invention, an embodiment of the present invention provides a kind of distributed energy cogeneration of heat and power control
System, the system include：First control unit and the second control unit；
First control unit, for gather can source user steam pipe network steam pressure, and to steam pressure at
Reason, to generate the control component of steam boiler and regenerative apparatus respectively, and according to control component respectively to steam boiler and accumulation of heat
Device is controlled；
Second control unit, is handled for gathering the multi-energy data of steaming plant, and to the multi-energy data, with generation
The controlled quentity controlled variable of generating set, and generating set is controlled according to the controlled quentity controlled variable of generating set；
Wherein, steam pipe network is used to provide steam energy to energy source user；Steam boiler is used to produce steam by combustion gas
The energy；Generating set is used to generate electricity by combustion gas；Regenerative apparatus is used for what is produced in steam boiler and waste heat steam boiler
Steam energy stores unnecessary steam energy when superfluous.
Alternatively, the first control unit includes：The first acquisition module, first processing module and the first control being sequentially connected
Module；
First acquisition module, for gathering the steam pressure of steam pipe network；
First processing module, control component and accumulation of heat for calculating steam boiler according to the steam pressure of steam pipe network fill
The control component put；
First control module, for respectively according to the control component of steam boiler and regenerative apparatus to steam boiler and accumulation of heat
Device is controlled.
Alternatively, first processing module includes：
Steam pipe network pressure controller, for calculating the feedback control component of steam pipe network steam pressure；
First Staged cotrol device, for obtaining the control component of steam boiler according to the feedback control component of steam pressure；
Second Staged cotrol device, for obtaining the control component of regenerative apparatus according to the feedback control component of steam pressure.
Alternatively, the first control module includes：
First controller, is connected with the first Staged cotrol device, is obtained for the control component according to steam boiler and feedback
The steam flow that the steam boiler obtained produces is implemented to control to steam boiler；
Second controller, is connected with the second Staged cotrol device, is obtained for the control component according to regenerative apparatus and feedback
The accumulation of heat steam flow of the regenerative apparatus obtained is implemented to control to regenerative apparatus.
Alternatively, the second control unit includes：The second acquisition module and Second processing module being sequentially connected；
Second acquisition module, for gathering the multi-energy data of steaming plant；Steaming plant includes：Waste heat steam boiler, steaming
Boiler furnace and regenerative apparatus；Wherein, the flue gas that waste heat steam boiler is used to be produced according to generating set produces steam energy；
Second processing module, for calculating the controlled quentity controlled variable of generating set according to the multi-energy data of collection, and according to generator
The controlled quentity controlled variable of group is controlled generating set.
Alternatively, which includes：The steam flow and accumulation of heat that waste heat boiler steam flow, steam boiler produce
The accumulation of heat steam flow of device.
Alternatively, Second processing module includes：
Second calculator, for steam flow, the regenerative apparatus according to waste heat boiler steam flow, steam boiler generation
Accumulation of heat steam flow calculates the total steam flow of output；
3rd calculator, the second control gauge is carried out for the total steam flow according to output and default second algorithm
Calculate；
Signal selector, for according to the second controlled quentity controlled variable, the feedback signal of signal selector and the switching value calculated
The controlled quentity controlled variable of signal acquisition generating set, and generating set is controlled according to the controlled quentity controlled variable of generating set.
The embodiment of the present invention additionally provides a kind of distributed energy cogeneration of heat and power control method, and this method includes：
The steam pressure of the steam pipe network of collection energy source user, and steam pressure is handled, to generate steam respectively
The control component of boiler and regenerative apparatus, and steam boiler and regenerative apparatus are controlled respectively according to the control component；With
And
The multi-energy data of steaming plant is gathered, and the multi-energy data is handled, to generate the controlled quentity controlled variable of generating set,
And generating set is controlled according to the controlled quentity controlled variable of generating set；
Wherein, steam pipe network is used to provide steam energy to energy source user；Steam boiler is used to produce steam by combustion gas
The energy；Generating set is used to generate electricity by combustion gas；Regenerative apparatus is used for what is produced in steam boiler and waste heat steam boiler
Steam energy stores unnecessary steam energy when superfluous.
Alternatively, steaming plant includes：Waste heat steam boiler, steam boiler and regenerative apparatus；Wherein, waste heat steam boiler
Flue gas for being produced according to generating set produces steam energy；
Multi-energy data includes：The storage of waste heat boiler steam flow, the steam flow that steam boiler produces and regenerative apparatus
Hot steam flow.
Alternatively, steam pressure is handled, is included with generating the control component of steam boiler and regenerative apparatus respectively：
Calculate the feedback control component of the steam pressure of steam pipe network；Steam boiler is obtained according to the feedback control component of steam pressure
Control the control component of component and regenerative apparatus；
Multi-energy data is handled, is included with generating the controlled quentity controlled variable of generating set：
According to waste heat boiler steam flow, steam boiler produce steam flow, regenerative apparatus accumulation of heat steam-flow meter
Calculate the total steam flow of output；Second controlled quentity controlled variable calculating is carried out according to the total steam flow of output and default second algorithm；
The control of generating set is obtained according to the second controlled quentity controlled variable, the feedback signal of signal selector and on-off model calculated
Amount.
The embodiment of the present invention includes：First control unit, the steam pressure of the steam pipe network for gathering energy source user, and
Handled according to the steam pressure, to generate the control component of steam boiler and regenerative apparatus respectively, and according to control component
Steam boiler and regenerative apparatus are controlled respectively；Second control unit, for gathering the multi-energy data of steaming plant, and it is right
The multi-energy data is handled, to generate the controlled quentity controlled variable of generating set, and according to the controlled quentity controlled variable of generating set to generating set into
Row control；Wherein, steam pipe network is used to provide steam energy to energy source user；Steam boiler is used to produce steam energy by combustion gas
Source；Generating set is used to generate electricity by combustion gas；Regenerative apparatus is used for the steaming produced in steam boiler and waste heat steam boiler
The vapour energy stores unnecessary steam energy when superfluous.By the embodiment scheme, realize and coordinated according to load variations
Each unit operation pattern, the system of ensure that can adapt to different working condition requirements, safe and stable, Effec-tive Function.
The further feature and advantage of the embodiment of the present invention will illustrate in the following description, also, partly from explanation
Become apparent in book, or understood by implementing the embodiment of the present invention.The purpose of the embodiment of the present invention and other advantages
It can realize and obtain by specifically noted structure in specification, claims and attached drawing.
Brief description of the drawings
Attached drawing is used for providing further understanding technical solution of the embodiment of the present invention, and one of constitution instruction
Point, the technical solution for explaining the embodiment of the present invention is used for together with embodiments herein, is not formed to the embodiment of the present invention
The limitation of technical solution.
Fig. 1 is the distributed energy cogeneration of heat and power control system simple structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the steam energy supply system schematic diagram of the embodiment of the present invention；
Fig. 3 is the first control unit structure diagram of the embodiment of the present invention；
Fig. 4 is the second control unit structure diagram of the embodiment of the present invention；
Fig. 5 is that the distributed energy cogeneration of heat and power control system detailed construction schematic diagram of the embodiment of the present invention is intended to.
Embodiment
For the purpose, technical scheme and advantage of the embodiment of the present invention are more clearly understood, below in conjunction with attached drawing pair
The embodiment of the present invention is described in detail.It should be noted that in the case where there is no conflict, embodiment and reality in the application
Applying the feature in example can mutually be combined.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
Perform.Also, although logical order is shown in flow charts, in some cases, can be with suitable different from herein
Sequence performs shown or described step.
In order to reach purpose of the embodiment of the present invention, an embodiment of the present invention provides a kind of distributed energy cogeneration of heat and power control
System, as shown in Figure 1, the system includes：First control unit 1 and the second control unit 2；
First control unit 1, for the steam pressure of the steam pipe network of energy source user, and is handled steam pressure,
To generate the control component of steam boiler Y3 and regenerative apparatus Y4 respectively, and according to the control component respectively to steam boiler Y3 and
Regenerative apparatus Y4 is controlled；
Second control unit 2, is handled for gathering the multi-energy data of steaming plant, and to the multi-energy data, with life
Generating set Y1 is controlled into the controlled quentity controlled variable of generating set Y1, and according to the controlled quentity controlled variable of generating set Y1；
Wherein, steam pipe network is used to provide steam energy to energy source user；Steam boiler Y3 is used to produce steaming by combustion gas
The vapour energy；Generating set Y1 is used to generate electricity by combustion gas；Regenerative apparatus Y4 is used in steam boiler Y3 and afterheat steam pot
The steam energy that stove Y2 is produced stores unnecessary steam energy when superfluous.
In embodiments of the present invention, as shown in Fig. 2, steam energy supply system schematic diagram for the embodiment of the present invention.Its
In, generating set Y1 and steam boiler Y3 are connected with gas pipeline respectively, and generating set Y1 can be generated electricity by combustion gas,
Steam boiler Y3 can produce steam energy by combustion gas, and control is provided with the communication paths of steam boiler Y3 and gas pipeline
Valve VFb processed.Since generating set Y1 can carry out that in power generation process flue gas can be produced by combustion gas, in order to enable the flue gas obtains
Make full use of, waste heat steam boiler Y2 can be set, waste heat steam boiler Y2 is used for the flue gas produced according to generating set Y1
Produce steam energy.
In embodiments of the present invention, based on above-mentioned steam energy supply system, in each energy source user, such as user 1, use
Family 2 ..., user m it is larger to steam energy demand when, waste heat steam boiler Y2 and steam boiler Y3 can be controlled to increase steam
Yield, so as to meet user demand；However, when user is smaller to steam energy demand, waste heat steam boiler can be controlled
Y2 and steam boiler Y3 reduces steam production.But for whole system, there are during certain reaction for any control
Between, therefore, not timely supplying energy or waste heat steam boiler Y2 and steam boiler Y3 have generated within the reaction time
Superfluous energy, can make it that user experience is poor, it is impossible to realize rationally energy supply.For these reasons, accumulation of heat can be set to fill
Put Y4.Regenerative apparatus Y4 is connected with waste heat steam boiler Y2 and steam boiler Y3 respectively, in steam boiler Y3 and waste heat steaming
The steam energy that boiler furnace Y2 is produced stores unnecessary steam energy when superfluous.
In embodiments of the present invention, based on the above, there is provided a kind of control based on above-mentioned steam energy supply system
System processed, can gather different multi-energy datas respectively by two control units respectively, be supplied so as to fulfill to the steam energy
Answer the closed-loop control of generating set Y1, the steam boiler Y3 and regenerative apparatus Y4 in system.Wherein, by generating set Y1
Control can realize control to waste heat steam boiler Y2 indirectly.
Alternatively, as shown in Fig. 3, Fig. 5, the first control unit 1 can include：11 He of the first acquisition module being sequentially connected
First processing module 12；
First acquisition module 11, for gathering the steam pressure P of steam pipe network.
First processing module 12, for calculating the control component and storage of steam boiler according to the steam pressure P of steam pipe network
The control component of thermal.
Alternatively, first processing module 12 can include：
Steam pipe network pressure controller A1, for calculating the feedback control component of steam pipe network steam pressure；
First Staged cotrol device A4, for obtaining the control point of steam boiler according to the feedback control component of steam pressure P
Amount；
Second Staged cotrol device A5, for obtaining the control point of regenerative apparatus according to the feedback control component of steam pressure P
Amount.
In embodiments of the present invention, steam pipe network pressure controller A1 can according to preset algorithm to feedback control component into
Row calculates, and is not limited for circular.For example, the preset algorithm can include but is not limited to pid algorithm (ratio
Example-Integrated Derivative algorithm) or PD algorithms (proportional-plus-derivative algorithm), its control it can be calculated according to concrete application scene self-defining
Method.
In embodiments of the present invention, the output of steam pipe network pressure controller A1 can be denoted as A1O, steam pipe network pressure control
Input terminal of the output terminal of device A1 processed respectively with the first Staged cotrol device A4 and the second Staged cotrol device A5 is connected.Steam pipe network
Inputs of the output A1O of pressure controller A1 as the first Staged cotrol device A4 and the second Staged cotrol device A5.
In embodiments of the present invention, the first Staged cotrol device A4 can be according to the output of steam pipe network pressure controller A1
A1O obtains the control component of steam boiler Y3.Wherein, the control component of steam boiler Y 3 (i.e. the first Staged cotrol device A4's
Output A4O) input (A1O) with it can be in a linear relationship.For example, A4O=a*A1O+b；Wherein, a is linear coefficient, and b is normal
Number.According to the linear relationship can cause A1O meet 50~100% situation of change when so that A4O meet 0%*Fbe~
The excursion of 100%*Fbe, the Fbe are the nominal steam flow of steam boiler Y3.
In embodiments of the present invention, the output A4O of the first Staged cotrol device A4 inputs (A1O) with it and includes but not limited to
It is in a linear relationship, can be according to its input/output relation of concrete application scene self-defining.
In embodiments of the present invention, the second Staged cotrol device A5 can be according to the output of steam pipe network pressure controller A1
A1O obtains the control component of regenerative apparatus Y4.Wherein, the control component of regenerative apparatus Y4 (i.e. the second Staged cotrol device A5's
Output A5O) input (A1O) with it can be in a linear relationship.For example, A5O=c*A1O+d；Wherein, c is linear coefficient, and d is normal
Number.According to the linear relationship can cause A1O meet 0~50% situation of change when so that A5O meet 100%*Fse~
The excursion of 0%*Fse, the Fse are the nominal steam flow of regenerative apparatus Y4.
In embodiments of the present invention, the output A5O of the second Staged cotrol device A5 inputs (A1O) with it and includes but not limited to
It is in a linear relationship, can be according to its input/output relation of concrete application scene self-defining.
First control module 13, for respectively according to the control component of steam boiler and regenerative apparatus to steam boiler and storage
Thermal is controlled.
Alternatively, the first control module 13 can include：
First controller A6, is connected with the first Staged cotrol device A4, for the control component according to steam boiler Y3 and
The steam flow that the steam boiler that feedback obtains produces is implemented to control to steam boiler Y3；
Second controller A7, is connected with the second Staged cotrol device A5, for the control component according to regenerative apparatus Y4 and
The accumulation of heat steam flow for feeding back the regenerative apparatus obtained is implemented to control to regenerative apparatus Y4.
In embodiments of the present invention, the output A4O of the first Staged cotrol device A4 is the first controller A6 (i.e. boiler load controls
Device processed) given input, steam flow of boiler Fb is the measurement input of the first controller A6, and the first controller A6 can use pre-
Imputation method, such as pid algorithm, carry out computing, to obtain the control of steam boiler Y3 calculation to the given input A4O and measurement input Fb
Method.The output A6O of first controller A6 may be coupled on the gas control valve VFb of steam boiler Y3, pass through the control to VFb
Realize the control to steam boiler Y3.
In embodiments of the present invention, the output A5O of the second Staged cotrol device A5 is second controller A7 (i.e. regenerative apparatus controls
Device processed) given input, regenerative apparatus flow Fs is the measurement input of second controller A7, and second controller A7 can use pre-
Imputation method, such as pid algorithm, carry out computing, to obtain the control of regenerative apparatus Y4 calculation to the given input A5O and measurement input Fs
Method.The output A7O of second controller A7 may be coupled on the steam control valve VFs of regenerative apparatus Y4, pass through the control to VFs
Realize the control to regenerative apparatus Y4.
In embodiments of the present invention, above-mentioned preset algorithm includes but not limited to pid algorithm, can be according to concrete application field
Its control algolithm of scape self-defining.
Alternatively, as shown in Figure 4, Figure 5, the second control unit 2 can include：21 He of the second acquisition module being sequentially connected
Second processing module 22；
Second acquisition module 21, for gathering the second multi-energy data of steaming plant；Steaming plant includes：Afterheat steam pot
Stove, steam boiler and regenerative apparatus；
Alternatively, the second multi-energy data can include but is not limited to：Waste heat boiler steam flow Fchp, steam boiler produce
Steam flow Fb and regenerative apparatus accumulation of heat steam flow Fs.
In embodiments of the present invention, in advance can be respectively in steam such as waste heat steam boiler, steam boiler and regenerative apparatuses
Corresponding data acquisition device is set at equipment, is acquired with the multi-energy data to each steaming plant.For specifically adopting
Acquisition means and equipment are not limited, for example, can include flowmeter.
Second processing module 22, for calculating the controlled quentity controlled variable of generating set according to the multi-energy data of collection, and according to power generation
The controlled quentity controlled variable of unit is controlled generating set.
Alternatively, Second processing module 22 can include：
Second calculator B1, for produced according to waste heat boiler steam flow Fchp, steam boiler Y3 steam flow Fb,
The accumulation of heat steam flow Fs of regenerative apparatus calculates the total steam flow of output.
3rd calculator B2, the second controlled quentity controlled variable is carried out for the total steam flow according to output and default second algorithm
Calculate；
Signal selector S2, for according to the second controlled quentity controlled variable calculated, the feedback signal of signal selector S2 and open
The controlled quentity controlled variable of pass amount signal acquisition generating set Y1, and generating set is controlled according to the controlled quentity controlled variable of generating set.
In embodiments of the present invention, waste heat boiler steam flow Fchp, steam boiler steam flow Fb and regenerative apparatus
For the accumulation of heat steam flow Fs of Y4 respectively as the input 1, input 2 and input 3 of the second calculator B1, the second calculator B1 is defeated to this
Summation operation can be included by entering the algorithm of 1, input 2 and input 3, for example, the output B1O of the second calculator B1 can be：B1O=
Fchp+Fb-Fs。
In embodiments of the present invention, the output B1O of the second calculator B1 is the input of the 3rd calculator B2, the 3rd calculator
Output B2O and its of B2 inputs (i.e. the output B1O of the second calculator B1) can be linear.For example, B2O=e*C1O+f；Its
In, e is linear coefficient, and f is constant.B1O can be caused to meet 0%*Fchpe~100%*Fchpe's according to the linear relationship
During situation of change so that corresponding B2O meets the excursion of 0%*Pee~100%*Pee, and the wherein Fchpe is waste heat pot
Stove nominal steam flow, Pee are generating set power.
In embodiments of the present invention, the output B2O of the 3rd calculator B2 inputs (B1O) with it and includes but not limited to linearly
Relation, can be according to its input/output relation of concrete application scene self-defining.
In embodiments of the present invention, the output Pesp difference of the output B2O and signal selector S2 of the 3rd calculator B2
It is the input 1 and input 2 of signal selector S2.Signal selector S2 can also include input 3, such as on-off model Stc；When pre-
If time tc (such as：Tc=600 seconds) then, the state of Stc is ON, and automatically resets into OFF at next moment, works as Stc
State when being ON, the output of signal selector S2 is the input 1 of signal selector S2, and the otherwise output of signal selector S2 is
The input 2 of signal selector S2.Controlled quentity controlled variables of the output Pesp of S2 as generating set Y1.
In embodiments of the present invention, which can include but is not limited to above-mentioned switch control algolithm,
It can be limited for its specific algorithm, any can realize gets power generation according to different application scenarios self-definings
The algorithm of the controlled quentity controlled variable of unit Y1 is within the protection domain of the embodiment of the present invention.
In embodiments of the present invention, signal selector S2 can directly be connected with generating set, signal selector S2's
The load instruction that output Pesp is directly used in generating set acts on generating set, to realize the control to generating set.
The embodiment of the present invention additionally provides a kind of distributed energy cogeneration of heat and power control method, and this method includes：
The steam pressure of the steam pipe network of collection energy source user, and the steam pressure is handled, to generate steaming respectively
The control component of boiler furnace and regenerative apparatus, and steam boiler and regenerative apparatus are controlled respectively according to the control component；
And
The multi-energy data of steaming plant is gathered, and the multi-energy data is handled, to generate the controlled quentity controlled variable of generating set,
And generating set is controlled according to the controlled quentity controlled variable of generating set；
Wherein, steam pipe network is used to provide steam energy to energy source user；Steam boiler is used to produce steam by combustion gas
The energy；Generating set is used to generate electricity by combustion gas；Regenerative apparatus is used for what is produced in steam boiler and waste heat steam boiler
Steam energy stores unnecessary steam energy when superfluous.
The embodiment of the present invention additionally provides a kind of computer-readable recording medium, is stored thereon with computer program, described
Above-mentioned distributed energy cogeneration of heat and power control method is realized when computer program is executed by processor.
The embodiment of the present invention includes：First control unit, the steam pressure of the steam pipe network for gathering energy source user, and
The steam pressure is handled, to generate the control component of steam boiler and regenerative apparatus respectively, and according to control component point
It is other that steam boiler and regenerative apparatus are controlled；Second control unit, for gathering the multi-energy data of steaming plant, and to this
Multi-energy data is handled, and to generate the controlled quentity controlled variable of generating set, and generating set is carried out according to the controlled quentity controlled variable of generating set
Control；Wherein, steam pipe network is used to provide steam energy to energy source user；Steam boiler is used to produce steam energy by combustion gas
Source；Generating set is used to generate electricity by combustion gas；Regenerative apparatus is used for the steaming produced in steam boiler and waste heat steam boiler
The vapour energy stores unnecessary steam energy when superfluous.By the embodiment scheme, realize and coordinated according to load variations
Each unit operation pattern, the system of ensure that can adapt to different working condition requirements, safe and stable, Effec-tive Function.
The embodiment of the present invention includes at least following advantage：
1st, the distributed energy cogeneration of heat and power control system uses Staged cotrol strategy to boiler load and regenerative apparatus
Closed-loop control is carried out, the thermodynamic equilibrium of system can be effectively established, meet the needs of thermic load, and unnecessary heat can be passed through storage
It can be collected, avoid the waste of the energy；
2nd, the distributed energy cogeneration of heat and power control system is according to waste heat boiler steam flow, gas fired-boiler steam stream
Amount, regenerative apparatus vapor flow rate, periodically adjusts the load of generating set, the electricity determining by heat realized in this way controls, not only full
The interoperability requirement of foot multiple-energy-source production, and by reducing the adjustment frequency of generating set, improve generating set operation
Security and stability.
Although the embodiment disclosed by the embodiment of the present invention is as above, the content be only readily appreciate the present invention and
The embodiment of use, is not limited to the embodiment of the present invention.Technical staff in any fields of the embodiment of the present invention,
On the premise of the spirit and scope disclosed by the embodiment of the present invention are not departed from, it can be appointed in the form and details of implementation
What modification and change, but the scope of patent protection of the embodiment of the present invention, the model that must be still defined with appended claims
Subject to enclosing.
Claims (10)
- A kind of 1. distributed energy cogeneration of heat and power control system, it is characterised in that the system comprises：First control unit and Two control units；First control unit, for gather can source user steam pipe network steam pressure, and to the steam pressure into Row processing, to generate the control component of steam boiler and regenerative apparatus respectively, and according to the control component respectively to the steaming Boiler furnace and the regenerative apparatus are controlled；Second control unit, is handled for gathering the multi-energy data of steaming plant, and to the multi-energy data, with life The generating set is controlled into the controlled quentity controlled variable of generating set, and according to the controlled quentity controlled variable of the generating set；Wherein, the steam pipe network is used to provide steam energy to the energy source user；The steam boiler is used to pass through combustion gas Produce the steam energy；The generating set is used to generate electricity by combustion gas；The regenerative apparatus is used in the steam The steam energy that boiler and the waste heat steam boiler produce stores unnecessary steam energy when superfluous.
- 2. distributed energy cogeneration of heat and power control system according to claim 1, it is characterised in that first control is single Member includes：The first acquisition module, first processing module and the first control module being sequentially connected；First acquisition module, for gathering the steam pressure of the steam pipe network；The first processing module, for calculating the control component of the steam boiler according to the steam pressure of the steam pipe network With the control component of the regenerative apparatus；First control module, for respectively according to the control component of the steam boiler and the regenerative apparatus to the steaming Boiler furnace and the regenerative apparatus are controlled.
- 3. distributed energy cogeneration of heat and power control system according to claim 2, it is characterised in that the first processing mould Block includes：Steam pipe network pressure controller, for calculating the feedback control component of the steam pipe network steam pressure；First Staged cotrol device, for obtaining the control point of the steam boiler according to the feedback control component of the steam pressure Amount；Second Staged cotrol device, for obtaining the control point of the regenerative apparatus according to the feedback control component of the steam pressure Amount.
- 4. distributed energy cogeneration of heat and power control system according to claim 3, it is characterised in that the first control mould Block includes：First controller, is connected with the first Staged cotrol device, for the control component according to the steam boiler and instead The steam flow that the steam boiler that feedback obtains produces is implemented to control to the steam boiler；Second controller, is connected with the second Staged cotrol device, for the control component according to the regenerative apparatus and instead The accumulation of heat steam flow for presenting the regenerative apparatus obtained is implemented to control to the regenerative apparatus.
- 5. distributed energy cogeneration of heat and power control system according to claim 1, it is characterised in that second control is single Member includes：The second acquisition module and Second processing module being sequentially connected；Second acquisition module, for gathering the multi-energy data of the steaming plant；The steaming plant includes：Afterheat steam Boiler, the steam boiler and the regenerative apparatus；Wherein, the waste heat steam boiler is used to be produced according to the generating set Flue gas produce the steam energy；The Second processing module, for calculating the controlled quentity controlled variable of the generating set, and root according to the multi-energy data of collection The generating set is controlled according to the controlled quentity controlled variable of the generating set.
- 6. distributed energy cogeneration of heat and power control system according to claim 5, it is characterised in that the multi-energy data bag Include：The accumulation of heat steam flow of waste heat boiler steam flow, the steam flow that the steam boiler produces and the regenerative apparatus.
- 7. distributed energy cogeneration of heat and power control system according to claim 6, it is characterised in that the second processing mould Block includes：Second calculator, for steam flow, the storage according to the waste heat boiler steam flow, steam boiler generation The accumulation of heat steam flow of thermal calculates the total steam flow of output；3rd calculator, the second control gauge is carried out for the total steam flow according to the output and default second algorithm Calculate；Signal selector, for according to second controlled quentity controlled variable, the feedback signal of signal selector and the switching value calculated The controlled quentity controlled variable of generating set described in signal acquisition, and the generating set is controlled according to the controlled quentity controlled variable of the generating set System.
- A kind of 8. distributed energy cogeneration of heat and power control method, it is characterised in that the described method includes：The steam pressure of the steam pipe network of collection energy source user, and the steam pressure is handled, to generate steam respectively The control component of boiler and regenerative apparatus, and according to the control component respectively to the steam boiler and the regenerative apparatus into Row control；AndThe multi-energy data of steaming plant is gathered, and the multi-energy data is handled, to generate the controlled quentity controlled variable of generating set, and The generating set is controlled according to the controlled quentity controlled variable of the generating set；Wherein, the steam pipe network is used to provide steam energy to the energy source user；The steam boiler is used to pass through combustion gas Produce the steam energy；The generating set is used to generate electricity by combustion gas；The regenerative apparatus is used in the steam The steam energy that boiler and the waste heat steam boiler produce stores unnecessary steam energy when superfluous.
- 9. distributed energy cogeneration of heat and power control method as claimed in claim 8, it is characterised in thatThe steaming plant includes：Waste heat steam boiler, the steam boiler and the regenerative apparatus；Wherein, the waste heat steams The flue gas that boiler furnace is used to be produced according to the generating set produces the steam energy；The multi-energy data includes：The steam flow and the accumulation of heat that waste heat boiler steam flow, the steam boiler produce The accumulation of heat steam flow of device.
- 10. distributed energy cogeneration of heat and power control method as claimed in claim 9, it is characterised in thatIt is described that the steam pressure is handled, included with generating the control component of steam boiler and regenerative apparatus respectively：Meter Calculate the feedback control component of the steam pressure of the steam pipe network；According to obtaining the feedback control component of the steam pressure The control component of steam boiler and the control component of the regenerative apparatus；It is described that the multi-energy data is handled, included with generating the controlled quentity controlled variable of generating set：The accumulation of heat of the steam flow, the regenerative apparatus that are produced according to the waste heat boiler steam flow, the steam boiler is steamed The total steam flow of vapour flow rate calculation output；Second is carried out according to the total steam flow of the output and default second algorithm Controlled quentity controlled variable calculates；Obtained according to second controlled quentity controlled variable, the feedback signal of signal selector and on-off model calculated The controlled quentity controlled variable of the generating set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368655.4A CN108006783B (en) | 2017-12-18 | 2017-12-18 | Distributed energy cogeneration control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711368655.4A CN108006783B (en) | 2017-12-18 | 2017-12-18 | Distributed energy cogeneration control system and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006783A true CN108006783A (en) | 2018-05-08 |
| CN108006783B CN108006783B (en) | 2020-04-21 |
Family
ID=62059747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711368655.4A Active CN108006783B (en) | 2017-12-18 | 2017-12-18 | Distributed energy cogeneration control system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108006783B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307306A (en) * | 2018-08-16 | 2019-02-05 | 爱能森新能源（深圳）有限公司 | A kind of method and system of systems of distributed heating systems |
| CN113669772A (en) * | 2021-07-27 | 2021-11-19 | 中煤科工清洁能源股份有限公司 | Source-load steam storage heat supply network monitoring system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000329301A (en) * | 1999-05-19 | 2000-11-30 | Toshiba Corp | Vapor pressure controller for vapor supply installation |
| CN1629463A (en) * | 2003-12-17 | 2005-06-22 | 中国科学院工程热物理研究所 | Multifunctional distributed refrigeration, heat and electricity production system and method |
| JP4255056B2 (en) * | 2003-02-27 | 2009-04-15 | 三建設備工業株式会社 | Interconnection system of combined heat source system and air conditioning system |
| CN101672203A (en) * | 2009-10-15 | 2010-03-17 | 华北电力大学 | Adjusting method for heating steam of cogeneration system |
| CN102840617A (en) * | 2012-08-07 | 2012-12-26 | 圣火科技(河南)有限责任公司 | Heat-power cogeneration system employing steam heat accumulator |
| CN107451698A (en) * | 2017-08-10 | 2017-12-08 | 国家电网公司 | A kind of Optimized Operation device and dispatching method applied to multimode heat supply power plant |
-
2017
- 2017-12-18 CN CN201711368655.4A patent/CN108006783B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000329301A (en) * | 1999-05-19 | 2000-11-30 | Toshiba Corp | Vapor pressure controller for vapor supply installation |
| JP4255056B2 (en) * | 2003-02-27 | 2009-04-15 | 三建設備工業株式会社 | Interconnection system of combined heat source system and air conditioning system |
| CN1629463A (en) * | 2003-12-17 | 2005-06-22 | 中国科学院工程热物理研究所 | Multifunctional distributed refrigeration, heat and electricity production system and method |
| CN101672203A (en) * | 2009-10-15 | 2010-03-17 | 华北电力大学 | Adjusting method for heating steam of cogeneration system |
| CN102840617A (en) * | 2012-08-07 | 2012-12-26 | 圣火科技(河南)有限责任公司 | Heat-power cogeneration system employing steam heat accumulator |
| CN107451698A (en) * | 2017-08-10 | 2017-12-08 | 国家电网公司 | A kind of Optimized Operation device and dispatching method applied to multimode heat supply power plant |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109307306A (en) * | 2018-08-16 | 2019-02-05 | 爱能森新能源（深圳）有限公司 | A kind of method and system of systems of distributed heating systems |
| CN109307306B (en) * | 2018-08-16 | 2022-05-24 | 爱能森新能源（深圳）有限公司 | Distributed heat supply method and system |
| CN113669772A (en) * | 2021-07-27 | 2021-11-19 | 中煤科工清洁能源股份有限公司 | Source-load steam storage heat supply network monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108006783B (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105804809B (en) | Lifting unit AGC and primary frequency modulation quality a kind of device and method | |
| CN101769180B (en) | Control method and system thereof for biaxial gas-steam combined cycle unit | |
| CN105888744B (en) | The thermal power plant unit control method of main steam pressure deviation is compensated using heat supply network accumulation of energy | |
| CN102611124B (en) | Primary frequency regulation control method applicable to thermal generator set of intelligent power grid | |
| US8843240B2 (en) | Loading a steam turbine based on flow and temperature ramping rates | |
| CN107368049B (en) | The control method of coal-supplying amount under unit varying duty based on Power Plant DCS System | |
| CN105700494B (en) | Model-based combined cycle power plant load control | |
| CN104089270B (en) | A kind of generating set boiler load control and optimize Adjustment Tests method | |
| CN108150995B (en) | A kind of distributed energy cogeneration of heat and power control system and method reducing thermal loss | |
| CN105202571B (en) | A kind of thermal power generation unit main vapour pressure optimal control method | |
| JP2014174993A5 (en) | ||
| CA2868093C (en) | Steam temperature control using model-based temperature balancing | |
| CN202032549U (en) | Header pressure coordination control system for thermal power plant boiler | |
| CN202032548U (en) | Automatic load distribution control system for boiler using main pipe system operation mode | |
| CN108006783A (en) | A kind of distributed energy cogeneration of heat and power control system and method | |
| CN105204340B (en) | Improved direct energy blance load coordinated control method and system | |
| Jay et al. | Frequency restoration using dynamic demand control under smart grid environment | |
| CN106885228A (en) | A kind of boiler coal-air ratio optimization method and system | |
| CN106014514A (en) | Heat and power joint debugging control system and method | |
| CN109631007A (en) | A kind of generating set boiler master system fuel feedback signal optimized treatment method | |
| CN211819542U (en) | Thermodynamic system for quick load response of heat supply unit | |
| CN107989665A (en) | The three side primary frequency modulation control methods and system of heat supply generating set | |
| CN108119891B (en) | A kind of distributed energy cogeneration of heat and power multivariable control system and method | |
| CN204302777U (en) | A kind of fired power generating unit AGC Dynamic matrix control optimization device | |
| CN206818334U (en) | It is a kind of that stove coal burning caloricity real-time monitoring system is entered based on DSC |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |