CN107181271A - A kind of power peak regulation system and method - Google Patents
A kind of power peak regulation system and method Download PDFInfo
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- CN107181271A CN107181271A CN201710582546.6A CN201710582546A CN107181271A CN 107181271 A CN107181271 A CN 107181271A CN 201710582546 A CN201710582546 A CN 201710582546A CN 107181271 A CN107181271 A CN 107181271A
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- 230000033228 biological regulation Effects 0.000 title claims abstract description 57
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 239000001257 hydrogen Substances 0.000 claims abstract description 84
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 84
- 239000001301 oxygen Substances 0.000 claims abstract description 70
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 70
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 69
- 238000004140 cleaning Methods 0.000 claims abstract description 57
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 47
- 238000010248 power generation Methods 0.000 claims abstract description 43
- 239000000446 fuel Substances 0.000 claims description 31
- 241000196324 Embryophyta Species 0.000 claims description 24
- 238000002485 combustion reaction Methods 0.000 claims description 15
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 14
- 239000003345 natural gas Substances 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 240000002853 Nelumbo nucifera Species 0.000 claims description 4
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 4
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 4
- 239000002671 adjuvant Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 26
- 229910052799 carbon Inorganic materials 0.000 abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract description 2
- 238000003860 storage Methods 0.000 description 9
- 239000003245 coal Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/02—Hydrogen or oxygen
- C25B1/04—Hydrogen or oxygen by electrolysis of water
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
-
- 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
- H02J15/00—Systems for storing electric energy
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The invention discloses a kind of power peak regulation system and method, belong to thermal power generating technology field.Wherein peak regulation system includes：Control device (10), control instruction is sent according to current demand load and/or current time to electrolytic water device (20)；Electrolytic water device (20), for being electrolysed according to control instruction using thermal power generation system output electric energy to water to produce gas；Gas cleaning plant (30), input connection electrolytic water device (20), output end connection thermal power generation system can either realize power peak regulation effect in arbitrary period, it is hydrogen and oxygen by water electrolysis that electric energy can be utilized again, again by burning hydrogen and oxygen is generated electricity, carbon emission amount is reduced.
Description
Technical field
The present invention relates to thermal power generating technology field, the power peak regulation system in more particularly to a kind of thermal power plant and its side
Method.
Background technology
It is known that electric energy can not be stored, therefore user needs how many electricity, and power plant is accomplished by synchronously sending many
Few electricity, the waste of the energy is not just resulted in so.But be that typically in the demand electric load of the power plant of each in power system be
Constantly change, in order to maintain active power balance, keep system frequency stabilization, it is necessary to which the department that generates electricity accordingly changes hair
The generated energy of motor is to adapt to the change of power load, and this is just called peak-frequency regulation.
In recent years, it is rich in Chinese three northern areas of China electricity market capacity, combustion engine, water-storage etc. can peaking power source it is rare,
Particularly thorny between peak load regulation network frequency modulation and fired power generating unit flexibility, power network is dissolved the new energy such as wind-powered electricity generation, photoelectricity, water power and nuclear power
Scarce capacity, abandon wind, abandon light, abandon water and abandon nuclear phenomenon serious.
Thermal power generation unit " electricity determining by heat " mode is run in the prior art, and winter causes thermal power plant unit due to coupled thermomechanics
Peak-frequency regulation ability is only 10% or so.With the reality for 22 thermoelectricity flexibility demonstrative projects that Bureau of Energy carried out in 2016
Apply, following winter peak-frequency regulation can obtain a certain degree of alleviation.But in summer in addition to unit load down or shutdown
How peak-frequency regulation, particularly increase summer peak-frequency regulation while ensure thermal power plant economy, be pendulum in numerous thermal power plants
A problem in front.
In addition, global warming and reply climate change, emission reduction tasks and 13 energy rule that Chinese Government promises to undertake
Specific requirement is proposed to the carbon intensity of the fossil-fired unit of domestic five big Power Groups in drawing, i.e., to the year two thousand twenty,
The average carbon intensity of the fossil-fired unit of five big electric power will be in 650kgCO2/kWh.Following thermal power generation is required for passing through
Buy tradable green certificates or carbon index to maintain annual generation load amount, or be accomplished by changing fuel, become low-carbon emission intensity
Thermal power plant.
The content of the invention
The present invention obtains the current demand load and/or current time of power network by control device, according to the current of power network
Demand load and/or current time judge present period for peak times of power consumption or low ebb phase, are controlled further according to peak period and low ebb phase
Electrolytic water device processed carries out power peak regulation.It is pure after the electric energy of electrolytic water device consumption and chemical water treatment system processing
Water, converts electrical energy into chemical energy.The hydrogen and oxygen that gas cleaning plant generates electrolysis water carries out removal of impurities dehydration storage processing,
Both can the external pure hydrogen pure oxygen of direct marketing, the hydrogen and oxygen of storage can also be delivered to many combustions of thermal power generation system boiler
Fully burnt in gas turbine liquid-fuel burner.The application can realize power peak regulation frequency modulation effect at any time in arbitrary period, and can
By water electrolysis it is hydrogen and oxygen using electric energy, then by burning hydrogen and oxygen is generated electricity, reduces carbon emission amount.
A kind of power peak regulation system of one side according to embodiments of the present invention, including：Control device, for obtaining power network
Current demand load and/or current time, and sent out according to the current demand load and/or current time to electrolytic water device
Control instruction is sent to control its electric energy to use；Electrolytic water device, is electrically connected with thermal power generation system, for according to the control
Instruction is electrolysed to produce gas using thermal power generation system output electric energy to water；Gas cleaning plant, its input
The electrolytic water device is connected, its output end connects the thermal power generation system.
Further, the thermal power generation system includes：Multi fuel burner；The multi fuel burner and the gas are net
Disguise the output end connection put, for receiving the gas that the gas cleaning plant is produced, and using the gas as fuel or
As in combustion adjuvant feeding boiler.
Further, the gas cleaning plant includes：Hydrogen cleaning module and oxygen cleaning module；The hydrogen cleaning mould
Block, its hydrogen input connects the electrolytic water device, and its hydrogen output end connects the multi fuel burner；The oxygen is net
Change module, its oxygen output connects the electrolytic water device, and its oxygen output connects the multi fuel burner.
Further, power peak regulation system also includes：Water Treatment device, its output end connects the electrolytic water device,
For being pure water by Water Treatment, and pure water is delivered to electrolytic water device.
Further, the control instruction includes：Enabled instruction, halt instruction and electrolysis regulating command, the electrolysis are adjusted
Section instruction includes：Quickening electrolysis instructs and slowed down electrolysis to instruct the quickening electrolysis to instruct to control electrolytic water device to increase electric work
Rate；It is described to slow down electrolysis instruction to control electrolytic water device to reduce electrical power.
Further, power peak regulation system also includes：Canned system, including the canned system of hydrogen and the canned system of oxygen, institute
The output end for stating the canned system of hydrogen and the hydrogen cleaning module connects, the canned system of oxygen and oxygen cleaning module it is defeated
Go out end connection, to carry the hydrogen and oxygen of the hydrogen cleaning module and the output of oxygen cleaning module respectively；Or
Pipe-line transportation system, one end is connected with the output end of the hydrogen cleaning module, the other end and gas delivering pipe
Road is connected, for the hydrogen in the hydrogen cleaning module to be sent into the natural-gas transfer pipeline.
Further, the control device includes：Acquisition module, for obtaining the current demand load of power network and/or current
Time；Judge module, for by the current demand load and/or current time of power network and current generation load, preset time table
It is compared, and judges that current power amount is low ebb phase or peak period；Control module, according to the judgement knot of the judge module
Fruit performs operations described below：When result of determination is the low ebb phase, control module sends control instruction to control electricity to electrolytic water device
Water installations are solved to start；And when result of determination is peak period, control module sends control instruction to control to electrolytic water device
Electrolytic water device stops.
Further, the control module includes：Difference computational unit, it calculates the current generation load of thermal power generation system
With the current loads difference of the current demand load of power network, and calculate the ticket reserving time before thermal power generation system generation load with
The historical load difference of the demand load of power network, and calculate the total load difference of current loads difference and historical load difference；Adjust
Unit is saved, operations described below is performed according to the result of calculation of the difference computational unit：If current loads difference and historical load are poor
The total load difference of value is that positive number then sends quickening electrolysis instruction to electrolytic water device；If current loads difference and historical load are poor
The total load difference of value is that negative then slows down electrolysis instruction to electrolytic water device transmission.
A kind of power peak regulation method of other side according to embodiments of the present invention, methods described includes：Step S101：Obtain
The current demand load and/or current time of power taking net；Step S102：By the current demand load and/or current time of power network
It is compared with current generation load, preset time table；Step S103：Judge that current slot is high for electricity consumption according to comparison result
Peak phase or low ebb phase；Step S104：When result of determination be the low ebb phase when, control module to electrolytic water device send control instruction with
Electrolytic water device is controlled to start；Step S105：When result of determination is peak period, control module sends to electrolytic water device and controlled
Instruct to control electrolytic water device to stop.
Further, the control module sends control instruction to electrolytic water device and also wrapped with controlling electrolytic water device to start
Include：Step S1041：The current loads for calculating the current generation load of thermal power generation system and the current demand load of power network are poor
Value, and calculate the historical load difference of the demand load of the generation load of thermal power generation system and power network before the ticket reserving time；Step
Rapid S1042：Send and accelerate to electrolytic water device if being positive number if the total load difference of current loads difference and historical load difference
Electrolysis instruction；Step S1043：Filled if being negative if the total load difference of current loads difference and historical load difference to electrolysis water
Put transmission and slow down electrolysis instruction.
Power peak regulation system and method for the present invention, by setting control device, electrolytic water device, gas cleaning plant,
Reach the effect of power peak regulation frequency modulation.Control device obtains current electric grid to the current demand load of power plant and/or current first
Time, and according to current demand load and/or current time of the current electric grid to the power plant, control electrolytic water device consumption electricity
Can, chemical energy is translated into, and the hydrogen and oxygen that electrolysis water is produced is delivered to gas cleaning plant, gas cleaning plant pair
Hydrogen and oxygen carries out removal of impurities dehydration storage processing, both can the external pure hydrogen pure oxygen of direct marketing, can also be by the hydrogen-oxygen of storage
Gas, which is delivered in the multi fuel burner of thermal power generation system boiler, fully to burn.Electric power can either be realized at any time in arbitrary period
Peak regulation effect, by water electrolysis can be again hydrogen and oxygen using electric energy, then by burning hydrogen and oxygen is generated electricity, reduction
Carbon emission amount.
Brief description of the drawings
Fig. 1 is a kind of structural representation of power peak regulation system provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of the control device of power peak regulation system provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of the control module of power peak regulation system provided in an embodiment of the present invention；
Fig. 4 is a kind of flow chart of power peak regulation method provided in an embodiment of the present invention；
Fig. 5 is low ebb phase power peak regulation method flow diagram provided in an embodiment of the present invention.
Reference：1 be boiler, 2 be steam turbine, 3 be generator, 4 be booster stations, 5 be condenser, 60 be oxygen-eliminating device,
61st, high-pressure heater, 62 low-pressure heaters, 7 be multi fuel burner, 8 be Water Treatment device, 10 be control device, 20
For electrolytic water device, 30 be gas cleaning plant, 40 be canned system, 50 be pipe-line transportation system, 31 be hydrogen cleaning module,
32 it is oxygen cleaning module, 11 be acquisition module, 12 be judge module, 13 be control module, 131 is difference computational unit, 132
For adjustment unit.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring this
The concept of invention.
Thermal power generation system flexibility include two layers of meaning, one be generation load flexibility it is low by electrolysis water or boiler
Load operation realizes generation load flexibility depth peak regulation, and two be that the flexibility of thermal power plant's fuel passes through the multi fuel of the present invention and fired
Burner innovatively realizes hydrogen and oxygen respectively enters generating plant pulverized coal boiler burner hearth and carries out combustion-supporting and steady combustion, and this burns
Device future can be also used for other gaseous fuels such as biogas and natural gas introduces coal powder boiler combustion, so as to really realize fire
The flexibility of Power Plant Fuel.
Thermal power generation system flexibility depth peak regulation is combined by the present invention with electrolytic water device, utilizes peak regulation more than needed electricity
Measure and the enough hydrogen and oxygen of purity is produced by electrolytic water device, all hydrogen and partial oxidation are sent into pulverized-coal fired boiler, led to
Cross special multi fuel burner make hydrogen in burner hearth with oxygen combination efficient burning, can not only reduce the consumption coal of unit
Measure, and pure hydrogen and pure oxygen can play a part of surely firing under boiler at low load combustion case, it is possible to achieve boiler at low load
Steady combustion is so as to reach the flexibility peak regulation pressure load of unit in itself.In addition, the combustion product of hydrogen is water, without any carbon emission
And pollutant emission, the carbon intensity and pollutant discharge amount of fossil-fired unit can be integrally reduced, is realized indirectly big
The minimum discharge requirement of type fossil-fired unit.
Fig. 1, Fig. 2, Fig. 3 are referred to, Fig. 1 is a kind of structural representation of power peak regulation system provided in an embodiment of the present invention
Figure；Fig. 2 is a kind of structural representation of the control device of power peak regulation system provided in an embodiment of the present invention；Fig. 3 is the present invention
A kind of structural representation of the control module for power peak regulation system that embodiment is provided.
As shown in Figure 1, Figure 2, Figure 3 shows, power peak regulation system includes：Control device 10, electrolytic water device 20 and gas are net
Makeup puts 30.
Control device 10, current demand load and/or current time for obtaining power network, and according to current demand load
And/or current time sends control instruction to control its electric energy to use to electrolytic water device 20.Specifically, first way is to obtain
The current demand load of power taking net, the current demand load of power network includes power network to the current demand load of power plant and current electricity
The generation load data of factory.And the current demand load of the power plant is judged to work as with the generation load of current power plant according to power network
The preceding time is peak times of power consumption or low ebb phase, if the difference of current generation load and current demand load is positive number, and difference with
It is the low ebb phase that the ratio of the generating rated load of power plant, which is more than 10%, if the difference of current generation load and current demand load
It is not more than 10% or current generation load and current demand load for the ratio of positive number, and difference and the generating rated load of power plant
Difference be peak period when being negative.The second way is sentenced to obtain current time based on the current time with preset time table
It in peak times of power consumption or low ebb phase, such as preset time table is peak period that disconnected current slot, which is, if current time is when default
Between be then peak period in table, be the low ebb phase if current time is not in preset time table.The third mode is to combine current electricity
Net is comprehensive to the current demand load and current time of the power plant to judge current slot for peak times of power consumption or low ebb phase.
When result of determination is the low ebb phase, control device 10 sends control instruction to control electrolytic water device 20 to open to electrolytic water device 20
It is dynamic；When result of determination is peak period, control device 10 sends control instruction to control electrolytic water device to electrolytic water device 20
20 stop.Wherein control instruction includes：Enabled instruction, halt instruction and electrolysis regulating command, electrolysis regulating command include：Plus
Fast electrolysis instructs and slowed down electrolysis instruction, accelerates electrolysis and instructs as control electrolytic water device increase electrical power；Slow down electrolysis instruction
Reduce electrical power for control electrolytic water device..
When being judged as the low ebb phase, needed because low ebb phase current electric grid is less to the current demand load of power plant, therefore just
Significantly to carry out peak regulation.And substantial amounts of hydrogen and oxygen are stored, in case peak period is used.Firepower hair is calculated first
The current loads difference of the current generation load of electric system and the current demand load of power network, and calculate firepower before the ticket reserving time
The historical load difference of the generation load of electricity generation system and the demand load of power network.Current loads difference and historical load are calculated again
The total load difference of difference.If the total load difference of current loads difference and historical load difference is positive number, filled to electrolysis water
Put 20 transmissions and accelerate electrolysis instruction；To electrolysis water if being negative if the total load difference of current loads difference and historical load difference
Device 20, which is sent, slows down electrolysis instruction.
When being judged as peak period, because peak period current electric grid is very high to the current demand load of power plant, now power plant
It should be generated electricity with maximum capacity, with for users to use.And a large amount of hydrogen and oxygen of storage are delivered to thermal power generation
Burnt in the multi fuel burner 7 of system boiler.
Electrolytic water device 20, is electrically connected with thermal power generation system, for using thermal power generation system according to control instruction
Output electric energy is electrolysed to produce gas to water.Specifically, thermal power generation system is thermal power generation common in the art
System.Electrolytic water device 20 is used for the dump energy that attrition fire electricity generation system is produced.It is electrically connected with thermal power generation system；Its
Output end is connected with the input of gas cleaning plant 30 by pipeline, and the hydrogen and oxygen for electrolysis water to be generated are delivered to
Gas cleaning plant 30.When receiving control instruction quickening electrolysis instruction, accelerate the efficiency of electrolysis, that is, increase consumption fire
The electricity that force generating system is produced；When receive control instruction slow down electrolysis instruction when, slow down the efficiency of electrolysis, that is, reduce
The electricity that attrition fire electricity generation system is produced.And the hydrogen and oxygen that are produced after electrolysis are delivered to gas cleaning plant 30.
Gas cleaning plant 30, its input connection electrolytic water device 20, its output end connection thermal power generation system；Specifically
, gas cleaning plant 30 is used for the gas for receiving the generation of electrolytic water device 20, that is, receives what electrolytic water device 20 was generated
Hydrogen and oxygen, and purified treatment is carried out to gas.Wherein gas cleaning plant 30 includes washing tank, drain sump and buffering
Tank；Washing tank is used for gas and carries out removal of impurities, and drain sump is used to be dehydrated gas, and surge tank is used to store gas.
Gas after purified treatment is simultaneously delivered to thermal power generation system by gas cleaning plant 30.
It is preferred that, thermal power generation system includes：Multi fuel burner 7；Multi fuel burner 7 and gas cleaning plant 30
Output end is connected, and for receiving the gas of the generation of gas cleaning plant 30, and is sent into using gas as fuel or as combustion adjuvant
In boiler.Specific multi fuel burner 7 make hydrogen in burner hearth with oxygen combination efficient burning, can not only reduce firepower hair
The coal consumption of electric system, and pure hydrogen and pure oxygen can play a part of surely firing under boiler at low load combustion case, Ke Yishi
Existing boiler low load stable combustion is so as to reach the flexibility peak regulation of thermal power generation system.
It is preferred that, gas cleaning plant 30 includes：Hydrogen cleaning module 31 and oxygen cleaning module 32；Hydrogen cleaning module
31, its hydrogen input connection electrolytic water device 20, its hydrogen output end connection multi fuel burner 7；Oxygen cleaning module 32,
Its oxygen output connects electrolytic water device 20, its oxygen output connection multi fuel burner 7；Specifically, hydrogen cleaning mould
Block 31 is used for the hydrogen for receiving the generation of electrolytic water device 20, and carries out purified treatment to hydrogen, and the hydrogen after purified treatment is defeated
Deliver to thermal power generation system；Oxygen cleaning module 32 is used for the oxygen for receiving the generation of electrolytic water device 20, and oxygen is carried out net
Change is handled, and the oxygen after purified treatment is delivered into thermal power generation system.Wherein hydrogen cleaning module 31 include flush of hydrogen gas tank,
Hydrogen drain sump and hydrogen gas buffer；Flush of hydrogen gas tank is used for hydrogen and carries out removal of impurities, and hydrogen drain sump is used to carry out hydrogen
Dehydration, hydrogen gas buffer is used to store hydrogen.Oxygen cleaning module 32 include oxygen clean tank, oxygen drain sump and
Oxygen surge tank；Oxygen clean tank is used for oxygen and carries out removal of impurities, and oxygen drain sump is used to be dehydrated oxygen, oxygen surge tank
For being stored to oxygen.
It is preferred that, Water Treatment device 8, its output end connection electrolytic water device 20, for being pure by Water Treatment
Water purification, and pure water is delivered to electrolytic water device 20.Specifically, the water being electrolysed in electrolytic water device 20 fills for Water Treatment
The 8 treated pure water provided are provided.Chemical water clean obtaining pure water by Water Treatment device 8, and will be pure
Water purification is delivered to electrolytic water device 20, so that electrolytic water device 20 is electrolysed.
It is preferred that, power peak regulation system also includes：Canned system 40 and pipe-line transportation system 50.Wherein canned system 40
Including the canned system of hydrogen and the canned system of oxygen, the output end of the canned system of hydrogen and hydrogen cleaning module 31 connects, the oxygen
Gas tank fills the output end connection of system and oxygen cleaning module 32, is purified with carrying the hydrogen cleaning module 31 and oxygen respectively
Hydrogen and oxygen that module 32 is exported.Hydrogen and oxygen are loaded high pressure steel by the canned system of hydrogen and the canned system of oxygen respectively
Bottle, it is for sale to facilitate.Pipe-line transportation system 50, one end is connected with the output end of hydrogen cleaning module 31, the other end and day
Right letter shoot road connection, for the hydrogen in hydrogen cleaning module 31 to be sent into natural-gas transfer pipeline.I.e. can be by hydrogen
Blended with natural gas, and then squeeze into Gao Long-distance Transmission Pipeline and carry out long-distance transport sale.
It is preferred that, control device 10 includes：Acquisition module 11, for obtaining the current demand load of power network and/or current
Time；Judge module 12, for by the current demand load and/or current time of power network and current generation load, preset time
Table is compared, and judges that current power amount is low ebb phase or peak period；Control module 13, according to the judgement of judge module 12
As a result operations described below is performed：When result of determination be the low ebb phase when, control module 13 to electrolytic water device 20 send control instruction with
Control electrolytic water device 20 starts；And when result of determination is peak period, control module 13 sends to electrolytic water device 20 and controlled
System instructs to control electrolytic water device 20 to stop.Specifically, first acquisition module 11 obtain power network current demand load and/or
The current demand load of current time, wherein power network includes：Current electric grid is obtained to the current demand load of power plant and current
The generation load data of power plant.Judge module 12 is by the current demand load and/or current time of the power network got and currently
Generation load, preset time table are compared.Wherein can individually to current electric grid to the current demand load of power plant with it is current
Generation load is contrasted, if the difference of current generation load and current demand load is positive number, and the generating of difference and power plant
It is the electric low ebb phase that the ratio of rated load, which is more than 10%, if the difference of current generation load and current demand load is positive number, and
The ratio of difference and the generating rated load of power plant is not more than 10% or currently the difference of generation load and current demand load is
It is peak period during negative；Individually current time can also be contrasted with preset time table, such as be height in preset time table
The peak phase, is peak period if current time is in preset time table, is the low ebb phase if current time is not in preset time table；
Current electric grid can also be contrasted to the current demand load of power plant with current generation load, then to current time with presetting
Timetable is contrasted, and combines the result of two kinds of contrasts.According to comparing result obtain current slot for peak times of power consumption or
The low ebb phase.
It is preferred that, control module 13 includes：Difference computational unit 131, its current generating for calculating thermal power generation system is born
The current loads difference of the current demand load of lotus and power network, and calculate the generation load of thermal power generation system before the ticket reserving time
With the historical load difference of the demand load of power network, and the total load difference of current loads difference and historical load difference is calculated；
Adjustment unit 132, operations described below is performed according to the result of calculation of the difference computational unit 131：If current loads difference is with going through
If the total load difference of history load difference be positive number then to electrolytic water device 20 send accelerate electrolysis instruction current loads difference with
The total load difference of historical load difference is that negative then slows down electrolysis instruction to the transmission of electrolytic water device 20.
Refer to Fig. 4 and Fig. 5, Fig. 4 be a kind of power peak regulation method provided in an embodiment of the present invention flow chart；Fig. 5
It is low ebb phase power peak regulation method flow diagram provided in an embodiment of the present invention.
Step S101：Obtain the current demand load and/or current time of power network；
Specifically, the current demand load of power network includes obtaining current electric grid to the current demand load of power plant and current
The generation load data of power plant.
Step S102：The current demand load and/or current time of power network and current generation load, preset time table are entered
Row is compared；
Specifically, individually can be contrasted to current electric grid to the current demand load of power plant with current generation load；
Individually current time can also be contrasted with preset time table；Can also be to current demand load of the current electric grid to power plant
Contrasted with current generation load, then current time is contrasted with preset time table, and combine the result of two kinds of contrasts.
Step S103：Judge current slot for peak times of power consumption or low ebb phase according to comparison result；
It is wherein the low ebb phase in preset time table specifically, presetting current generation load and preset time table.
Can be to be set as peak period in preset time table.To be illustrated in preset time table for peak period in the present embodiment.
When individually being contrasted to current electric grid to the current demand load of power plant with current generation load, if current generation load is with working as
The difference of preceding demand load is positive number, and to be more than 10% be the electric low ebb phase to the ratio of difference and the generating rated load of power plant, if
The difference of current generation load and current demand load is positive number, and the ratio of difference and the generating rated load of power plant is not more than
The difference of 10% or current generation load and current demand load is peak period when being negative.Individually to current time with it is default when
Between table when being contrasted, be peak period if current time is in preset time table, if current time is not in preset time table
It is then the low ebb phase.Current electric grid can also be contrasted to the current demand load of the power plant with current generation load, then it is right
Current time is contrasted with preset time table, and combines the result of two kinds of contrasts, selects the result more optimized.
Step S104：When result of determination be the low ebb phase when, control module 13 to electrolytic water device 20 send control instruction with
Control electrolytic water device 20 starts.
Specifically, step S104 also includes：Step S1041：Calculate the current generation load and power network of thermal power generation system
Current demand load current loads differences, and calculate the generation load and power network of thermal power generation system before the ticket reserving time
The historical load difference of demand load；Step S1042：If the total load difference of current loads difference and historical load difference is just
Several then sent to electrolytic water device 20 accelerates electrolysis instruction；Step S1043：If current loads difference is total with historical load difference
Load difference is that negative then slows down electrolysis instruction to the transmission of electrolytic water device 20.I.e. when being judged as the low ebb phase, due to the low ebb phase
Current electric grid is less to the current demand load of power plant, therefore is accomplished by significantly carrying out peak regulation.And by substantial amounts of hydrogen and
Oxygen is stored, in case peak period is used.The current generation load of thermal power generation system and the current need of power network are calculated first
The current loads difference of load is sought, and calculates the generation load and the demand load of power network of thermal power generation system before the ticket reserving time
Historical load difference.The total load difference of current loads difference and historical load difference is calculated again.If current loads difference with
The total load difference of historical load difference is positive number, then is sent to electrolytic water device 20 and accelerate electrolysis instruction；If current loads are poor
The total load difference of value and historical load difference then sends for negative to electrolytic water device 20 slows down electrolysis instruction.Accelerate electrolysis to refer to
Make as the control increase electrical power of electrolytic water device 20；Slow down electrolysis instruction and reduce electrical power for control electrolytic water device 20.
Step S105：When result of determination be peak period when, control module 13 to electrolytic water device 20 send control instruction with
Control electrolytic water device 20 stops.
Specifically, when being judged as peak period, because peak period current electric grid is very high to the current demand load of power plant, this
When power plant should be generated electricity with maximum capacity, with for users to use.And a large amount of hydrogen and oxygen of storage are delivered to fire
Burnt in the multi fuel burner 7 of force generating system boiler.
Power peak regulation system and method for the present invention, by setting control device, electrolytic water device and gas purification to fill
Put, reach the effect of power peak regulation frequency modulation.Control device obtains current electric grid to the current demand load of power plant and/or worked as first
The preceding time, and according to current demand load and/or current time of the current electric grid to the power plant, control electrolytic water device consumption electricity
Can, chemical energy is translated into, and the hydrogen and oxygen that electrolysis water is produced is delivered to gas cleaning plant, gas cleaning plant pair
Hydrogen and oxygen carries out removal of impurities dehydration storage processing, and the hydrogen and oxygen of storage is delivered to the multi fuel of thermal power generation system boiler
Fully burnt in burner.Power peak regulation frequency modulation effect can either be realized at any time in arbitrary period, electric energy can be utilized again by water
It is electrolysed as hydrogen and oxygen, then by burning hydrogen and oxygen is generated electricity, reduces carbon emission amount.
The electrolytic water device of the present invention directly reduces the electricity volume of thermal power generation system, and peak regulation is provided for power network whole year
Load, indirect utilization, which abandons wind and abandons light and abandon water, abandons nuclear electricity, alleviates grid balance and peak-valley difference problem.And it will can be electrolysed
The hydrogen and partial oxidation feeding coal powder boiler combustion of water installations production, it is possible to achieve the low of large-scale thermal power system boiler is born
Lotus is surely fired, so that the load range of boiler at low load peak regulation is improved, the peak modulation capacity of flame enrichment force generating system.Electrolytic water device
Power consumption can realize that electrodeless regulation, i.e. its output power can be from 50% loads to 100% quick shift arbitrarily at any time, can
To realize the frequency modulation service of power network.The multi fuel burner of the present invention innovatively realizes hydrogen and oxygen respectively enters power station
Pulverized Coal fired Boiler Furnace carries out combustion-supporting and steady combustion, and this burner future can be also used for other gaseous fuels such as biogas with
Natural gas introduces coal powder boiler combustion, so as to really realize the flexibility of thermal power plant's fuel.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.In addition, appended claims purport of the present invention
Covering the whole changes fallen into scope and border or this scope and the equivalents on border and repairing
Change example.
Claims (10)
1. a kind of power peak regulation system, it is characterised in that including：
Control device (10), current demand load and/or current time for obtaining power network, and it is negative according to the current demand
Lotus and/or current time send control instruction to control its electric energy to use to electrolytic water device (20)；
Electrolytic water device (20), is electrically connected with thermal power generation system, for being sent out according to the control instruction using the firepower
Electric system output electric energy is electrolysed to produce gas to water；
Gas cleaning plant (30), its input connects the electrolytic water device (20), and its output end connects the thermal power generation
System.
2. power peak regulation system according to claim 1, wherein,
The thermal power generation system includes：Multi fuel burner (7)；
The multi fuel burner (7) connects with the output end of the gas cleaning plant (30), net for receiving the gas
The gas of (30) generation is put in makeup, and is sent into using the gas as fuel or as combustion adjuvant in boiler.
3. power peak regulation system according to claim 2, wherein, the gas cleaning plant (30) includes：Hydrogen cleaning
Module (31) and oxygen cleaning module (32)；
The hydrogen cleaning module (31), its hydrogen input connects the electrolytic water device (20), the connection of its hydrogen output end
The multi fuel burner；
The oxygen cleaning module (32), its oxygen output connects the electrolytic water device (20), the connection of its oxygen output
The multi fuel burner.
4. power peak regulation system according to claim 1, in addition to：
Water Treatment device (8), its output end connects the electrolytic water device (20), for being pure by Water Treatment
Water, and pure water is delivered to electrolytic water device (20).
5. power peak regulation system according to claim 1, wherein,
The control instruction includes：Enabled instruction, halt instruction and electrolysis regulating command, the electrolysis regulating command include：
Accelerate electrolysis instruction and slow down electrolysis instruction；
It is described to accelerate electrolysis instruction to control electrolytic water device (20) increase electrical power；
It is described to slow down electrolysis instruction to control electrolytic water device (20) to reduce electrical power.
6. power peak regulation system according to claim 3, wherein, in addition to：
Canned system (40), including the canned system of hydrogen and the canned system of oxygen, the canned system of hydrogen and the hydrogen are net
The output end for changing module (31) connects, the output end connection of the canned system of oxygen and oxygen cleaning module (32), to hold respectively
Carry the hydrogen and oxygen of the hydrogen cleaning module (31) and oxygen cleaning module (32) output；Or
Pipe-line transportation system (50), one end is connected with the output end of the hydrogen cleaning module (31), and the other end is defeated with natural gas
Pipeline is sent to connect, for the hydrogen in the hydrogen cleaning module (31) to be sent into the natural-gas transfer pipeline.
7. power peak regulation system according to claim 1, wherein, the control device (10) includes：
Acquisition module (11), current demand load and/or current time for obtaining power network；
Judge module (12), for by the current demand load and/or current time of power network and current generation load, preset time
Table is compared, and judges that current power amount is low ebb phase or peak period；
Control module (13), operations described below is performed according to the result of determination of the judge module (12)：
When result of determination is the low ebb phase, control module (13) sends control instruction to control electrolysis water to electrolytic water device (20)
Device (20) starts；And
When result of determination is peak period, control module (13) sends control instruction to control electrolysis water to electrolytic water device (20)
Device (20) stops.
8. power peak regulation system according to claim 1, wherein, the control module (13) includes：
The current demand load of difference computational unit (131), its current generation load for calculating thermal power generation system and power network
The history of the demand load of the generation load of thermal power generation system and power network is born before current loads difference, and calculating ticket reserving time
Lotus difference, and calculate the total load difference of current loads difference and historical load difference；
Adjustment unit (132), operations described below is performed according to the result of calculation of the difference computational unit (131)：
Send and accelerate to electrolytic water device (20) if being positive number if the total load difference of current loads difference and historical load difference
Electrolysis instruction；Sent if being negative if the total load difference of current loads difference and historical load difference to electrolytic water device (20)
Slow down electrolysis instruction.
9. a kind of power peak regulation method, it is characterised in that applied to the power peak regulation system described in claim any one of 1-8,
Methods described includes：
Step S101：Obtain the current demand load and/or current time of power network；
Step S102：The current demand load and/or current time of power network are compared with current generation load, preset time table
It is right；
Step S103：Judge current slot for peak times of power consumption or low ebb phase according to comparison result；
Step S104：When result of determination be the low ebb phase when, control module (13) to electrolytic water device (20) send control instruction with
Electrolytic water device (20) is controlled to start；
Step S105：When result of determination be peak period when, control module (13) to electrolytic water device (20) send control instruction with
Electrolytic water device (20) is controlled to stop.
10. power peak regulation method according to claim 9, wherein, the control module (13) is to electrolytic water device (20)
Send control instruction is also included with controlling electrolytic water device (20) to start：
Step S1041：The current loads for calculating the current generation load of thermal power generation system and the current demand load of power network are poor
Value, and calculate the historical load difference of the demand load of the generation load of thermal power generation system and power network before the ticket reserving time；
Step S1042：To electrolytic water device if being positive number if the total load difference of current loads difference and historical load difference
(20) send and accelerate electrolysis instruction；
Step S1043：To electrolytic water device if being negative if the total load difference of current loads difference and historical load difference
(20) send and slow down electrolysis instruction.
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