CN107166484A - Thermoelectricity decouples peak regulation system - Google Patents
Thermoelectricity decouples peak regulation system Download PDFInfo
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- CN107166484A CN107166484A CN201710481055.2A CN201710481055A CN107166484A CN 107166484 A CN107166484 A CN 107166484A CN 201710481055 A CN201710481055 A CN 201710481055A CN 107166484 A CN107166484 A CN 107166484A
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- 230000005619 thermoelectricity Effects 0.000 title claims abstract description 39
- 238000010438 heat treatment Methods 0.000 claims abstract description 190
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 114
- 238000010521 absorption reaction Methods 0.000 claims description 27
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 18
- 238000011217 control strategy Methods 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 4
- 239000000523 sample Substances 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract description 48
- 239000007789 gas Substances 0.000 description 34
- 239000007787 solid Substances 0.000 description 26
- 230000005611 electricity Effects 0.000 description 22
- 238000005338 heat storage Methods 0.000 description 15
- 238000007726 management method Methods 0.000 description 13
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 12
- 239000000498 cooling water Substances 0.000 description 7
- 239000011449 brick Substances 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 239000000395 magnesium oxide Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000010795 Steam Flooding Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
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- 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
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
- F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
-
- 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
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
-
- 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
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
- F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
- F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating the system uses a heat pump
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/08—Electric heater
-
- 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
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/02—Fluid distribution means
- F24D2220/0207—Pumps
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/04—Sensors
- F24D2220/042—Temperature sensors
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Peak regulation system is decoupled the present invention relates to a kind of thermoelectricity, including steam power plant's heat supply is drawn gas heat supply network heating system, heating network system, it is characterised in that：Also include power network and peak regulation of power plant control platform and heat supply network stores heat release operational management platform, comprise additionally at least one of circulating water afterheat heat pump recovering system, electric boiler heating system.When power network peak regulation of power plant control platform described in thermoelectricity decoupling peak regulation system sends peak regulation instruction, power plant converts electrical energy into heat energy and sends into heat distribution pipe network by starting electric boiler and circulating water heat pump, and heat supply network, which stores heat release control platform, to be responsible for controlling the overall heating of a pipe network and secondary pipe network to reach the purpose of pipe network accumulation of heat.Dissolved by heat pump and electric boiler and abandon wind and abandon light peak regulation power, steam power plant thermoelectricity can decouple completely, make it possible that the pure condensate of steam power plant runs depth peak regulation, not only thermal power plant can be made to be subsidized by depth peak regulation, and the security of heat supply can be ensured by pipe network accumulation of heat.
Description
Technical field
Pipe network energy storage and power network depth Peak Shaving are the present invention relates to the use of, more particularly to winter steam power plant utilizes electric boiler
Electric load depth Peak Shaving is realized by pipe network accumulation of heat with heat pump.
Background technology
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, peak load regulation network
Particularly thorny between fired power generating unit flexibility, power network is dissolved the scarce capacities of the new energy such as wind-powered electricity generation, photoelectricity and nuclear power, is abandoned wind and is abandoned
Optical phenomenon is serious.In order to solve these problems, northeast electricity prison office has put into effect Tohoku Electric Power assistant service trading rules, with this
The implementation of policy, increasing steam power plant realizes thermoelectricity decoupling and the depth peak regulation in winter by thermoelectricity flexibility technology.
Wherein, by effects of electrical boiler with heat storage system come peak regulation, as a kind of peak regulation minimum on unit operation influence in numerous solutions
Mode is decoupled with thermoelectricity.
In addition, absorption or compression heat pump has been gone up by many steam power plants in north city carries out circulating water afterheat using increase
The correlation engineering project of Winter heat supply.And electric boiler, circulating water afterheat are drawn gas using the heat supply of heat pump and steam power plant and collectively constituted
The heat source system of heat distribution pipe network.
Prior art participates in peak regulation using soil source cold-storage and thermal storage system and device, such as Application No. 201620107121.0
Chinese patent is there is provided a kind of soil source cold-storage and thermal storage system and device for the hot peak regulation of steam power plant, including except Conventional thermoelectric
Outside factory's generating and heat supply necessary devices, in addition to ground heat exchanger, lithium bromide absorption type heat pump unit, closed cooling tower.Should
In the prior art, the temperature of cooling-tower circulating water, later-stage utilization cooling-tower circulating water pair are reduced during summer first with underground cold
Soil carries out accumulation of heat；The heat stored is extracted during winter using lithium bromide absorption type heat pump unit, is provided for concentrated supply of heating in the city
Heat, later-stage utilization closed cooling tower carries out cold-storage.Though the prior art combines soil source cold-storage and thermal storage and absorption type heat
Pumping exothermic heat, but used regenerative apparatus can not meet the adjustable actual demand of power bracket, and also cost is higher,
The problem of there is heat storage capacity difference and the low peak modulation capacity of system.And for example application number CN201320413060.7 Chinese patent,
There is provided a kind of with earth source heat pump, water accumulation of energy and the compound cold and heat source system of recuperation of heat, including accumulating type earth source heat pump unit,
Cold/heat supply earth source heat pump unit, recovery type heat earth source heat pump unit, cold-storage and thermal storage pond, fire cistern, water source heat exchange
Device, accumulation of energy pond heat exchanger, cold-storage water pump, let cool water pump, it is chilled water pump, cooling water pump, peak regulation water pump, domestic hot-water's pump, latent
Water pump, water intake well, inverted well, water knockout drum, water collector and domestic hot-water's heat storage can.Though the patent stores ground source heat pump technology, water
Can technology and heat pump heat recovery technology carried out integrated, but cooling, the customer group of heat supply are confined to Intra-cell, it is impossible to meet
Large area heat supply, the demand of accumulation of heat.
The content of the invention
The present invention combines pipe network energy storage and electric boiler, heat pump and the heat supply three kinds of thermals source that draw gas, and realizes steam power plant
Thermoelectricity decoupling.Using electric boiler and electric compression heat pump consumption generated energy, so as to reduce electricity volume, it is possible to achieve steam power plant
Peak regulation, both can effectively alleviate regenerative resource and dissolve predicament, and the substantially buret net thermal storage and energy accumulation of heating water can have been realized again, not
Wide market development prospect will be possessed.
In order to overcome problems of the prior art, the technical solution adopted in the present invention is：A kind of thermoelectricity decoupling is adjusted
Peak system, including steam power plant's heat supply are drawn gas heat supply network heating system, heating network system, in addition to power network and peak regulation of power plant control it is flat
Platform and heat supply network store heat release operational management platform, comprise additionally in circulating water afterheat heat pump recovering system, electric boiler heating system
It is at least one.
Preferably, the heating network system includes heating network, a secondary heating pipe network, and positioned at once supplying
The thermal substation of hot pipe network and secondary heating pipe network joining place.
Any of the above-described scheme is preferably, a heating network and heat supply draw gas heat supply network heating system, more than recirculated water
Heat driven heat pump recovery system, electric boiler heating system are connected by aqueduct；Secondary cycle is set on heating network
Pump.
Any of the above-described scheme is preferably, and the secondary heating pipe network is connected with user terminal, on the secondary heating pipe network
Circulating pump is set.
Any of the above-described scheme is preferably, and power network and the peak regulation of power plant control platform includes grid dispatching center and power plant
Centralized control center, grid dispatching center is entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Scheduling signals are transferred to centralized control center of power plant by row Real-Time Scheduling, and centralized control center of power plant assigns peak load regulation network instruction, passes through control
The run time and operation power of electric boiler and circulating water afterheat heat pump, and regulation and control heat exchangers for district heating run to control heat supply to take out
The amount of drawing gas of gas, converts electrical energy into heat energy feeding heat distribution pipe network, so as to carry out peak load regulation network.
Any of the above-described scheme is preferably, and the heat supply network stores fortune of the heat release operational management stage+module in a heating network
Seek the heat supply network centralized control center of unit, the amount of stored heat of a responsible heating network and the control strategy of charge and discharge heat.
Any of the above-described scheme is preferably, and the heat supply network, which stores heat release operational management platform, can also be arranged on secondary heating tube
The heat supply network centralized control center or residential property control centre of the unit of operation of net, responsible region secondary heating pipe network and end building
The control strategy of amount of stored heat and charge and discharge heat.
Any of the above-described scheme is preferably, steam power plant's heat supply draw gas heat supply network heating system including station boiler, take out solidifying
Steam turbine, condenser, heat exchangers for district heating and its connecting pipe；The heat exchangers for district heating is connected with a heating network, is once supplied
Circulating pump is set on hot pipe network.
Any of the above-described scheme is preferably, and the circulating water afterheat source of the circulating water afterheat heat pump recovering system is including double
The large cooling column of the extraction condensing type steam power plant of shaped form, or Chou Ning steam power plants recirculated water air cooling system.
Any of the above-described scheme is preferably, and the circulating water afterheat heat pump recovering system includes steam-powered absorption type heat
The electric compression heat pump of pump and/or driven by power.
Any of the above-described scheme is preferably, in heat exchangers for district heating heat supply water supply and water return pipeline, is connected by multiple threeways
Multiple laterals, the lateral adds hot water conveying pipe as the heat supply network of the absorption heat pump and electric compression heat pump
Road, respectively the water inlet and delivery port with absorption heat pump and electric compression heat pump be connected.
Any of the above-described scheme is preferably, the circulating water outlet and recirculated water of the absorption heat pump and electric compression heat pump
Circulating water pipeline of the entrance respectively with cooling tower or recirculated water air cooling system is connected.
Any of the above-described scheme is preferably, and the high-temperature steam that station boiler is produced in steam power plant, which enters, takes out condensing turbine, passes through
Cross a steam turbine heat supply part of drawing gas and be transported to heat exchangers for district heating, circulation water for heating is heated, another part is used as driving
Thermal source enters absorption heat pump；Gas turbine exhaust gas is condensed into condensate as recirculated water into condenser, and absorption heat pump is utilized
Driving steam is reclaimed to the heat of recirculated water cold source energy, while running consumption electricity, or is used as driving by the use of electric power
Power, the heat of recirculated water cold source energy is reclaimed by electric compression heat pump.Steam drive absorption heat pump and electric compression heat pump,
Two kinds of heat pumps can individually be implemented or two kinds of heat pumps are combined, so as to realize the recirculated water of steam power plant to a certain degree
Waste heat recovery and thermoelectricity decoupling and thermoelectricity flexibility peak regulation.Circulating cooling water afterheat is used for heat supply（Heating, domestic hot-water etc.）,
The thermal pollution of water evaporation loss and environment that power plant cooling water radiating is caused can not only be reduced, and heating can be alleviated and is brought
Combustion gas and the nervous situation of electric power resource, furthermore it is also possible to reduce the cold source energy of power plant cycle, improve power plant cycle thermal effect
Rate.Meanwhile, the cascade utilization of the energy is realized, a large amount of fuel are saved, the comprehensive utilization of energy rate of thermal power plant is improved.
Any of the above-described scheme is preferably, and the electric boiler heating system includes high-field electrode boiler and/or high pressure solid
Thermal storage electric boiler.
Any of the above-described scheme is preferably, and the high-field electrode boiler includes high-voltage fence and access system, high-field electrode
Wiring, electrode boiler body, plate type heat exchanger, electrode boiler water circulating pump, temperature control system and its connecting pipe.High-field electrode pot
Stove has can the electrodeless advantage for adjusting power.
Any of the above-described scheme is preferably, and the high pressure solid thermal storage electric boiler includes high-voltage fence and access system, electricity
Hinder heating wire or resistance plate, high-temperature heat accumulation magnesia brick, high temperature air circulating fan, high efficiency air water- to-water heat exchanger, solid heat storage grill pan
Stove water circulating pump, temperature control system and its connecting pipe.High pressure solid thermal storage electric boiler have high voltage, it is high-power, can accumulation of heat
Feature.High pressure solid thermal storage electric boiler has sufficiently large energy-storage system, can be stored up in the period of the low power consumptions such as night
Can, and in peak of power consumption, carry out feedwater heating and energy supply, this advantage solves annual peak regulation simultaneously and wind-powered electricity generation low ebb dissolves
Problem.
Any of the above-described scheme is preferably, and high-tension electricity is by resistance plate heating heating high-temperature heat accumulation magnesia brick so as to reality
Existing accumulation of heat.
One or more high-field electrode boilers, one or more high pressures can be included in above-mentioned electric boiler heating system simultaneously
Solid heat storage electric boiler.Two kinds of electric boilers are applied simultaneously, can integrate two kinds of respective advantages of electric boiler of performance, high-field electrode pot
Stove voltage change is smooth, impacts small to power network, and high pressure solid thermal storage electric boiler has heat storage capacity big, the small spy of floor space
Point.
Any of the above-described scheme is preferably, and the heating network system thermal storage and energy accumulation integrally lifts a heat supply by night
The mean temperature of pipe network realizes, or integrally lifted by night the mean temperature of a heating network and secondary heating pipe network come
Realize, or integrally lift by night mean temperature and the end building accumulation of heat of a heating network and secondary heating pipe network
To realize.End building accumulation of heat, which refers to, utilizes the heat supply network water system accumulation of heat in user terminal building.
Any of the above-described scheme is preferably, and the thermal source of the heating network system draws gas heat supply network heating from steam power plant's heat supply
System, by extracted steam from turbine accumulation of heat, and/or the heat pump from circulating water afterheat heat pump recovering system, and/or from electricity
The electric boiler heat release of boiler heating system, to realize steam power plant's thermoelectricity decoupling.Thermoelectricity decouples peak regulation system
Many steam power plants in the north realize thermoelectricity by building large-scale accumulation of heat water pot or solid and phase change heat storage material at present
Decoupling, but these facility input costs and construction, place etc. require higher, and many existing steam power plants do not have implementation condition, but
The precondition of all external heat supplies of steam power plant is that it necessarily connects large-scale centralized heating network, with reference to described above phase of the present invention
Than there is advantages below in prior art：
1）By using existing central heating network（Including hot net water in heating network, secondary heating pipe network and building
System）Accumulation of heat cost well below large-scale accumulation of heat water pot, solid heat storage and other phase change energy storage technologies, its security is also long-range
In accumulation of heat water pot, solid heat storage and phase-change accumulation energy.
2）Winter, electric boiler electric power storage heating and circulating water afterheat are the optimal emergency powers of heating system using two thermals source
Thermal source, improves the reliability of heat supply.
3）With building for progressively implementing for the policies such as peak regulation service charge, time-of-use tariffs, particularly future electrical energy spot market
The appearance of vertical and negative rate for incorporation into the power network, will necessarily promote the depth peak regulation demand of steam power plant, following market development space will be got over
Come bigger.
Brief description of the drawings
Fig. 1 is the schematic diagram for the preferred embodiment of peak regulation control platform one that peak regulation system is decoupled according to the thermoelectricity of the present invention.
Fig. 2 is the schematic diagram for the preferred embodiment that peak regulation system is decoupled according to the thermoelectricity of the present invention.
Illustrate：
1- station boilers, 2- takes out condensing turbine, 3- condensers, 4- cooling towers, 5- heat exchangers for district heatings, 6- absorption heat pumps, 7- electricity
Compression heat pump, 8- circulating pumps, 9- electrode boilers, 10- solid heat storage electric boilers, 11- electric control valves, 12- thermal substations, 13-
Temp probe, 14-secondary cycle pump, 15- power networks and peak regulation of power plant control platform, 16- grid dispatching centers, the collection control of 17- power plant
Center, 18- heat supply networks store heat release operational management platform, and 19- heat supply networks centralized control center, 20- steam power plants heat supply is drawn gas heat supply network heating system,
21- circulating water afterheat heat pump recovering systems, 22- electric boiler heating systems.
Embodiment
In order to be further understood that the content of the invention of the present invention, more detailed is made to the present invention below in conjunction with specific embodiment
Thin description, embodiment only has exemplary effect to the present invention, without any restricted effect；Any this area skill
The insubstantial modifications that art personnel make on the basis of the present invention, should all belong to the scope of protection of the invention.
Embodiment 1
As depicted in figs. 1 and 2, a kind of thermoelectricity decoupling peak regulation system, including steam power plant's heat supply are drawn gas heat supply network heating system 20, heat supply
Pipe network system, in addition to power network and peak regulation of power plant control platform 15 and heat supply network store heat release operational management platform 18, circulating water afterheat
Heat pump recovering system 21 and electric boiler heating system 22.
In the present embodiment, the heating network system includes heating network, a secondary heating pipe network, and positioned at one
The thermal substation 12 of secondary heating network and secondary heating pipe network joining place.
In the present embodiment, draw gas heat supply network heating system, circulating water afterheat heat pump of a heating network and heat supply is returned
Receipts system 21, electric boiler heating system 22 are connected by aqueduct；Secondary cycle pump 8 is set on heating network.
In the present embodiment, the secondary heating pipe network is connected with user terminal, and circulation is set on the secondary heating pipe network
Pump 8.
In the present embodiment, power network and the peak regulation of power plant control platform 15 includes grid dispatching center 16 and power plant's collection control
Center 17, grid dispatching center 16 is entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Scheduling signals are transferred to centralized control center of power plant 17 by row Real-Time Scheduling, and centralized control center of power plant 17 assigns peak load regulation network instruction, passed through
The run time and operation power of electric boiler and circulating water afterheat heat pump, and regulation and control heat exchangers for district heating 5 is controlled to run to control
The amount of drawing gas of heat supply pumping, converts electrical energy into heat energy feeding heat distribution pipe network, so as to carry out peak load regulation network.
In the present embodiment, the heat supply network stores the unit of operation that heat release operational management platform 18 is arranged on a heating network
Heat supply network centralized control center 19, be responsible for the amount of stored heat of heating network and the control strategy of charge and discharge heat.
In the present embodiment, the heat supply network, which stores heat release operational management platform 18, can also be arranged on the fortune of secondary heating pipe network
The heat supply network centralized control center 19 or residential property control centre of unit are sought, is responsible for the accumulation of heat of region secondary heating pipe network and end building
The control strategy of amount and charge and discharge heat.
In the present embodiment, steam power plant's heat supply draw gas heat supply network heating system 20 including station boiler 1, take out condensing turbine
2nd, condenser 3, heat exchangers for district heating 5 and its connecting pipe；The heat exchangers for district heating 5 is connected with a heating network, a heat supply
Circulating pump 8 is set on pipe network.
In the present embodiment, the circulating water afterheat source of the circulating water afterheat heat pump recovering system 21 includes hyperbolic-type
Extraction condensing type steam power plant large cooling column 4, or Chou Ning steam power plants recirculated water air cooling system.
In the present embodiment, the circulating water afterheat heat pump recovering system 21 includes the steam-powered He of absorption heat pump 6
The electric compression heat pump 7 of driven by power.
In the present embodiment, in the heat supply water supply of heat exchangers for district heating 5 and water return pipeline, connect multiple respectively by multiple threeways
Lateral, the lateral heats water conveyance conduit as the heat supply network of the absorption heat pump 6 and electric compression heat pump 7,
The water inlet and delivery port with absorption heat pump 6 and electric compression heat pump are connected respectively.
In the present embodiment, the circulating water outlet and circulation water inlet point of the absorption heat pump 6 and electric compression heat pump 7
Circulating water pipeline not with cooling tower 4 or recirculated water air cooling system is connected.
In the present embodiment, the high-temperature steam that station boiler 1 is produced in steam power plant, which enters, takes out condensing turbine 2, by steamer
A machine heat supply part of drawing gas is transported to heat exchangers for district heating 5, circulation water for heating is heated, another part enters as driving heat source
Enter absorption heat pump 6；Gas turbine exhaust gas is condensed into condensate as recirculated water into condenser 3, and absorption heat pump 6 utilizes driving
Steam is reclaimed to the heat of recirculated water cold source energy, while running consumption electricity, or by the use of electric power as driving force, is led to
Overvoltage contracting formula heat pump 7 reclaims the heat of recirculated water cold source energy.Steam drive absorption heat pump 6 and electric compression heat pump 7, two
Kind of heat pump can individually be implemented or two kinds of heat pumps are combined, so as to realize to a certain degree more than the recirculated water of steam power plant
Recuperation of heat and thermoelectricity decoupling and thermoelectricity flexibility peak regulation.Circulating cooling water afterheat is used for heat supply heating, domestic hot-water etc., not only
The thermal pollution of water evaporation loss and environment that power plant cooling water radiating is caused can be reduced, and heating can be alleviated and brings combustion gas
With the nervous situation of electric power resource, furthermore it is also possible to reduce the cold source energy of power plant cycle, the power plant cycle thermal efficiency is improved.Together
When, the cascade utilization of the energy is realized, a large amount of fuel are saved, the comprehensive utilization of energy rate of thermal power plant is improved.
In the present embodiment, the electric boiler heating system 22 includes high-field electrode boiler 9 and/or high pressure solid hot stored electric
Boiler 10.
In the present embodiment, the high-field electrode boiler 9 includes high-voltage fence and access system, high-field electrode wiring, electricity
The body of pole boiler 9, plate type heat exchanger, the water circulating pump of electrode boiler 9, temperature control system and its connecting pipe.High-field electrode boiler 9 has
Having can the electrodeless advantage for adjusting power.
In the present embodiment, the high pressure solid thermal storage electric boiler 10 includes high-voltage fence and access system, resistance heating
Silk or resistance plate, high-temperature heat accumulation magnesia brick, high temperature air circulating fan, high efficiency air water- to-water heat exchanger, solid heat storage electric boiler 10 are followed
Ring water pump, temperature control system and its connecting pipe.High pressure solid thermal storage electric boiler 10 have high voltage, it is high-power, can accumulation of heat spy
Point.High pressure solid thermal storage electric boiler 10 has sufficiently large energy-storage system, can be stored up in the period of the low power consumptions such as night
Can, and in peak of power consumption, carry out feedwater heating and energy supply, this advantage solves annual peak regulation simultaneously and wind-powered electricity generation low ebb dissolves
Problem.
In the present embodiment, high-tension electricity heats high-temperature heat accumulation magnesia brick to realize accumulation of heat by resistance plate heating.
Can include one or more high-field electrode boilers 9 in above-mentioned electric boiler heating system 22 simultaneously, and one or
Multiple high pressure solid thermal storage electric boilers 10.Two kinds of electric boilers are applied simultaneously, can integrate two kinds of respective advantages of electric boiler of performance,
The voltage change of high-field electrode boiler 9 is smooth, impacts small to power network, and high pressure solid thermal storage electric boiler 10 has heat storage capacity big,
The characteristics of floor space is small.
In the present embodiment, the heating network system thermal storage and energy accumulation integrally lifts the flat of heating network by night
Equal temperature integrally lifts the mean temperature of a heating network and secondary heating pipe network to realize to realize, or by night, or
The mean temperature and end building accumulation of heat that a heating network and secondary heating pipe network are integrally lifted by night are realized.
End building accumulation of heat, which refers to, utilizes the heat supply network water system accumulation of heat in user terminal building.
In the present embodiment, the thermal source of the heating network system draws gas heat supply network heating system 20 from steam power plant's heat supply,
By extracted steam from turbine accumulation of heat, the heat pump from circulating water afterheat heat pump recovering system 21, and from grill pan stove heat
The electric boiler heat release of system 22, to realize steam power plant's thermoelectricity decoupling.Thermoelectricity decouples peak regulation system
Embodiment 2
Embodiment 2 is similar to Example 1, except that, a kind of thermoelectricity decoupling peak regulation system in embodiment 2, including thermoelectricity
Draw gas heat supply network heating system 20, heating network system, power network and peak regulation of power plant control platform 15 and heat supply network of factory's heat supply stores heat release fortune
Row management platform 18, circulating water afterheat heat pump recovering system 21.
In the present embodiment, the heating network system includes heating network, a secondary heating pipe network, and positioned at one
The thermal substation 12 of secondary heating network and secondary heating pipe network joining place.
In the present embodiment, draw gas heat supply network heating system, circulating water afterheat heat pump of a heating network and heat supply is returned
Receipts system 21 is connected by aqueduct；Secondary cycle pump 8 is set on heating network.
In the present embodiment, the secondary heating pipe network is connected with user terminal, and circulation is set on the secondary heating pipe network
Pump 8.
In the present embodiment, power network and the peak regulation of power plant control platform 15 includes grid dispatching center 16 and power plant's collection control
Center 17, grid dispatching center 16 is entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Scheduling signals are transferred to centralized control center of power plant 17 by row Real-Time Scheduling, and centralized control center of power plant 17 assigns peak load regulation network instruction, passed through
The run time and operation power of circulating water afterheat heat pump, and regulation and control heat exchangers for district heating 5 is controlled to run to control heat supply to be evacuated
The amount of drawing gas, convert electrical energy into heat energy feeding heat distribution pipe network, so as to carry out peak load regulation network.
In the present embodiment, the heat supply network stores the unit of operation that heat release operational management platform 18 is arranged on a heating network
Heat supply network centralized control center 19, be responsible for the amount of stored heat of heating network and the control strategy of charge and discharge heat.
In the present embodiment, the heat supply network, which stores heat release operational management platform 18, can also be arranged on the fortune of secondary heating pipe network
The heat supply network centralized control center 19 or residential property control centre of unit are sought, is responsible for the accumulation of heat of region secondary heating pipe network and end building
The control strategy of amount and charge and discharge heat.
In the present embodiment, steam power plant's heat supply draw gas heat supply network heating system 20 including station boiler 1, take out condensing turbine
2nd, condenser 3, heat exchangers for district heating 5 and its connecting pipe；The heat exchangers for district heating 5 is connected with a heating network, a heat supply
Circulating pump 8 is set on pipe network.
In the present embodiment, the circulating water afterheat source of the circulating water afterheat heat pump recovering system 21 includes hyperbolic-type
Extraction condensing type steam power plant large cooling column 4, or Chou Ning steam power plants recirculated water air cooling system.
In the present embodiment, the circulating water afterheat heat pump recovering system 21 includes the steam-powered He of absorption heat pump 6
The electric compression heat pump 7 of driven by power.
In the present embodiment, in the heat supply water supply of heat exchangers for district heating 5 and water return pipeline, connect multiple respectively by multiple threeways
Lateral, the lateral heats water conveyance conduit as the heat supply network of the absorption heat pump 6 and electric compression heat pump 7,
The water inlet and delivery port with absorption heat pump 6 and electric compression heat pump are connected respectively.
In the present embodiment, the circulating water outlet and circulation water inlet point of the absorption heat pump 6 and electric compression heat pump 7
Circulating water pipeline not with cooling tower 4 or recirculated water air cooling system is connected.
In the present embodiment, the high-temperature steam that station boiler 1 is produced in steam power plant, which enters, takes out condensing turbine 2, by steamer
A machine heat supply part of drawing gas is transported to heat exchangers for district heating 5, circulation water for heating is heated, another part enters as driving heat source
Enter absorption heat pump 6；Gas turbine exhaust gas is condensed into condensate as recirculated water into condenser 3, and absorption heat pump 6 utilizes driving
Steam is reclaimed to the heat of recirculated water cold source energy, while running consumption electricity, or by the use of electric power as driving force, is led to
Overvoltage contracting formula heat pump 7 reclaims the heat of recirculated water cold source energy.Steam drive absorption heat pump 6 and electric compression heat pump 7, two
Kind of heat pump can individually be implemented or two kinds of heat pumps are combined, so as to realize to a certain degree more than the recirculated water of steam power plant
Recuperation of heat and thermoelectricity decoupling and thermoelectricity flexibility peak regulation.Circulating cooling water afterheat is used for heat supply heating, domestic hot-water etc., not only
The thermal pollution of water evaporation loss and environment that power plant cooling water radiating is caused can be reduced, and heating can be alleviated and brings combustion gas
With the nervous situation of electric power resource, furthermore it is also possible to reduce the cold source energy of power plant cycle, the power plant cycle thermal efficiency is improved.Together
When, the cascade utilization of the energy is realized, a large amount of fuel are saved, the comprehensive utilization of energy rate of thermal power plant is improved.
In the present embodiment, the heating network system thermal storage and energy accumulation integrally lifts the flat of heating network by night
Equal temperature integrally lifts the mean temperature of a heating network and secondary heating pipe network to realize to realize, or by night, or
The mean temperature and end building accumulation of heat that a heating network and secondary heating pipe network are integrally lifted by night are realized.
End building accumulation of heat, which refers to, utilizes the heat supply network water system accumulation of heat in user terminal building.
In the present embodiment, the thermal source of the heating network system draws gas heat supply network heating system 20 from steam power plant's heat supply,
By extracted steam from turbine accumulation of heat, and the heat pump from circulating water afterheat heat pump recovering system 21, to realize steam power plant's thermoelectricity
Decoupling.
Embodiment 3
A kind of thermoelectricity decouples peak regulation system, including steam power plant's heat supply draw gas heat supply network heating system 20, heating network system, power network and
Peak regulation of power plant control platform 15 and heat supply network store heat release operational management platform 18 and electric boiler heating system 22.
In the present embodiment, the heating network system includes heating network, a secondary heating pipe network, and positioned at one
The thermal substation 12 of secondary heating network and secondary heating pipe network joining place.
In the present embodiment, a heating network is connected with electric boiler heating system 22 by aqueduct；It is described
Secondary cycle pump 8 is set on heating network.
In the present embodiment, the secondary heating pipe network is connected with user terminal, and circulation is set on the secondary heating pipe network
Pump 8.
In the present embodiment, power network and the peak regulation of power plant control platform 15 includes grid dispatching center 16 and power plant's collection control
Center 17, grid dispatching center 16 is entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Scheduling signals are transferred to centralized control center of power plant 17 by row Real-Time Scheduling, and centralized control center of power plant 17 assigns peak load regulation network instruction, passed through
The run time and operation power of electric boiler and circulating water afterheat heat pump, and regulation and control heat exchangers for district heating 5 is controlled to run to control
The amount of drawing gas of heat supply pumping, converts electrical energy into heat energy feeding heat distribution pipe network, so as to carry out peak load regulation network.
In the present embodiment, the heat supply network stores the unit of operation that heat release operational management platform 18 is arranged on a heating network
Heat supply network centralized control center 19, be responsible for the amount of stored heat of heating network and the control strategy of charge and discharge heat.
In the present embodiment, the heat supply network, which stores heat release operational management platform 18, can also be arranged on the fortune of secondary heating pipe network
The heat supply network centralized control center 19 or residential property control centre of unit are sought, is responsible for the accumulation of heat of region secondary heating pipe network and end building
The control strategy of amount and charge and discharge heat.
In the present embodiment, steam power plant's heat supply draw gas heat supply network heating system 20 including station boiler 1, take out condensing turbine
2nd, condenser 3, heat exchangers for district heating 5 and its connecting pipe；The heat exchangers for district heating 5 is connected with a heating network, a heat supply
Circulating pump 8 is set on pipe network.
In the present embodiment, the electric boiler heating system 22 includes high-field electrode boiler 9 and/or high pressure solid hot stored electric
Boiler 10.
In the present embodiment, the high-field electrode boiler 9 includes high-voltage fence and access system, high-field electrode wiring, electricity
The body of pole boiler 9, plate type heat exchanger, the water circulating pump of electrode boiler 9, temperature control system and its connecting pipe.High-field electrode boiler 9 has
Having can the electrodeless advantage for adjusting power.
In the present embodiment, the high pressure solid thermal storage electric boiler 10 includes high-voltage fence and access system, resistance heating
Silk or resistance plate, high-temperature heat accumulation magnesia brick, high temperature air circulating fan, high efficiency air water- to-water heat exchanger, solid heat storage electric boiler 10 are followed
Ring water pump, temperature control system and its connecting pipe.High pressure solid thermal storage electric boiler 10 have high voltage, it is high-power, can accumulation of heat spy
Point.High pressure solid thermal storage electric boiler 10 has sufficiently large energy-storage system, can be stored up in the period of the low power consumptions such as night
Can, and in peak of power consumption, carry out feedwater heating and energy supply, this advantage solves annual peak regulation simultaneously and wind-powered electricity generation low ebb dissolves
Problem.
In the present embodiment, high-tension electricity heats high-temperature heat accumulation magnesia brick to realize accumulation of heat by resistance plate heating.
Can include one or more high-field electrode boilers 9 in above-mentioned electric boiler heating system 22 simultaneously, and one or
Multiple high pressure solid thermal storage electric boilers 10.Two kinds of electric boilers are applied simultaneously, can integrate two kinds of respective advantages of electric boiler of performance,
The voltage change of high-field electrode boiler 9 is smooth, impacts small to power network, and high pressure solid thermal storage electric boiler 10 has heat storage capacity big,
The characteristics of floor space is small.
In the present embodiment, the heating network system thermal storage and energy accumulation integrally lifts the flat of heating network by night
Equal temperature integrally lifts the mean temperature of a heating network and secondary heating pipe network to realize to realize, or by night, or
The mean temperature and end building accumulation of heat that a heating network and secondary heating pipe network are integrally lifted by night are realized.
End building accumulation of heat, which refers to, utilizes the heat supply network water system accumulation of heat in user terminal building.
In the present embodiment, the thermal source of the heating network system draws gas heat supply network heating system 20 from steam power plant's heat supply,
By extracted steam from turbine accumulation of heat, and the electric boiler heat release from electric boiler heating system 22, to realize steam power plant's thermoelectricity decoupling.
Embodiment 4
Embodiment 4 is similar to Example 1, except that, the thermal source of heat supply network heating system 20 is drawn gas in steam power plant's heat supply can
Since from gas fired-boiler, coal-burning boiler, the electric boiler of pipe network side, air-source, water resource heat pump thermal source, or other cogeneration of heat and power machines
Any one or more in group.
Embodiment 5
Embodiment 5 is similar to Example 1, except that, the return water of described pipe network of heat supply network only passes through heat exchangers for district heating 5
With grill pan stove heat, electric boiler therein can be high-field electrode boiler 9 or one kind in solid heat storage electric boiler 10 or combination.
Although the present invention has shown and described referring particularly to its preferred embodiment, those skilled in the art can be with
Understand, the various changes in form and details can be made without departing from the model of the invention described in appended claims
Enclose.It is described in detail above in association with the specific embodiment of the present invention, but is not limitation of the present invention.It is every according to this hair
Bright technical spirit still falls within the protection domain of technical solution of the present invention to any simple modification made for any of the above embodiments.
Claims (10)
1. a kind of thermoelectricity decouples peak regulation system, including steam power plant's heat supply is drawn gas heat supply network heating system（20）, heating network system, its
It is characterised by：Also include power network and peak regulation of power plant control platform（15）Heat release operational management platform is stored with heat supply network（18）, wrap in addition
Include circulating water afterheat heat pump recovering system（21）, electric boiler heating system（22）At least one of.
2. thermoelectricity according to claim 1 decouples peak regulation system, it is characterised in that：The heating network system is included once
Heating network, secondary heating pipe network, and positioned at a heating network and the thermal substation of secondary heating pipe network joining place（12）.
3. thermoelectricity according to claim 2 decouples peak regulation system, it is characterised in that：Heating network is taken out with heat supply
Vapour heat supply network heating system, circulating water afterheat heat pump recovering system（21）, electric boiler heating system（22）Connected by aqueduct；
Circulating pump is set on heating network（8）And electric control valve（11）.
4. thermoelectricity according to claim 2 decouples peak regulation system, it is characterised in that：The secondary heating pipe network and user terminal
Temp probe is set on connection, the secondary heating pipe network（13）With secondary cycle pump（8）.
5. thermoelectricity according to claim 1 decouples peak regulation system, it is characterised in that：Power network and the peak regulation of power plant control is flat
Platform（15）Including grid dispatching center（16）With centralized control center of power plant（17）, grid dispatching center（16）According to wind in regional power grid
The online demand and power grid electric service condition of electric light volt carry out Real-Time Scheduling, and scheduling signals are transferred in power plant's collection control
The heart（17）, centralized control center of power plant（17）Peak load regulation network instruction is assigned, by the operation for controlling electric boiler and circulating water afterheat heat pump
Time and operation power, and regulation and control heat exchangers for district heating（5）Run to control the amount of drawing gas that heat supply is evacuated, convert electrical energy into heat
Heat distribution pipe network can be sent into, so as to carry out peak load regulation network.
6. thermoelectricity according to claim 1 decouples peak regulation system, it is characterised in that：The heat supply network, which stores heat release operational management, puts down
Platform（18）Installed in the heat supply network centralized control center of the unit of operation of a heating network（19）, it is responsible for the amount of stored heat of a heating network
With the control strategy of charge and discharge heat.
7. thermoelectricity according to claim 6 decouples peak regulation system, it is characterised in that：The heat supply network, which stores heat release operational management, puts down
Platform（18）The heat supply network centralized control center of the unit of operation of secondary heating pipe network can also be arranged on（19）Or residential property control centre,
It is responsible for the amount of stored heat and the control strategy of charge and discharge heat of region secondary heating pipe network and end building.
8. thermoelectricity according to claim 1 decouples peak regulation system, it is characterised in that：Steam power plant's heat supply heat supply network that draws gas adds
Hot systems（20）Including station boiler（1）, take out condensing turbine（2）, condenser（3）, heat exchangers for district heating（5）And its connecting pipe；
The heat exchangers for district heating（5）It is connected with a heating network, circulating pump is set on a heating network（8）.
9. thermoelectricity according to claim 1 decouples peak regulation system, it is characterised in that：The circulating water afterheat heat pump reclaims system
System（21）Circulating water afterheat source include hyperbolic-type extraction condensing type steam power plant large cooling column（4）, or Chou Ning steam power plants
Recirculated water air cooling system.
10. thermoelectricity according to claim 9 decouples peak regulation system, it is characterised in that：The circulating water afterheat heat pump is reclaimed
System（21）Including steam-powered absorption heat pump（6）And/or the electric compression heat pump of driven by power（7）.
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