CN206724281U - Thermoelectricity decouples peak regulation system - Google Patents
Thermoelectricity decouples peak regulation system Download PDFInfo
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- CN206724281U CN206724281U CN201720734116.7U CN201720734116U CN206724281U CN 206724281 U CN206724281 U CN 206724281U CN 201720734116 U CN201720734116 U CN 201720734116U CN 206724281 U CN206724281 U CN 206724281U
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- 230000005619 thermoelectricity Effects 0.000 title claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 194
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 130
- 238000009825 accumulation Methods 0.000 claims abstract description 51
- 238000010521 absorption reaction Methods 0.000 claims description 32
- 239000007787 solid Substances 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 24
- 238000007906 compression Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 20
- 238000005338 heat storage Methods 0.000 claims description 17
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 16
- 238000007726 management method Methods 0.000 claims description 16
- 238000011217 control strategy Methods 0.000 claims description 10
- 239000011449 brick Substances 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 7
- 238000000605 extraction Methods 0.000 claims description 5
- 239000008400 supply water Substances 0.000 claims description 4
- 239000008236 heating water Substances 0.000 claims description 2
- 239000000523 sample Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 34
- 239000000498 cooling water Substances 0.000 description 7
- 238000004146 energy storage Methods 0.000 description 7
- 238000005516 engineering process Methods 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
- 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
- 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
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000000034 method 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
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
-
- 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
- F24D12/00—Other central heating systems
- F24D12/02—Other central heating systems having more than one heat source
-
- 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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
-
- 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
Abstract
It the utility model is related to a kind of thermoelectricity decoupling peak regulation system, 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 is sent 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.Abandon wind by heat pump and electric boiler consumption 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 that pipe network accumulation of heat ensures heat supply can be passed through.
Description
Technical field
It the utility model is related to and utilize pipe network energy storage and power network depth Peak Shaving, more particularly to winter steam power plant utilizes electricity
Boiler and heat pump realize electric load depth Peak Shaving by pipe network accumulation of heat.
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
It is particularly thorny between fired power generating unit flexibility, the scarce capacity of the new energy such as power network consumption wind-powered electricity generation, photoelectricity and nuclear power, abandon wind and abandon
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 realize 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, turn into influences a kind of minimum peak regulation to unit operation 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, 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 during winter using the extraction of lithium bromide absorption type heat pump unit, is provided for concentrated supply of heating in the city
Heat, later-stage utilization closed cooling tower carry 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,
Exist system heat storage capacity difference it is low with peak modulation capacity the problem of.And for example application number CN201320413060.7 Chinese patent,
Provide it is 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, energy storage pool heat exchanger, cold-storage water pump, let cool water pump, be 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
Energy technology and heat pump heat recovery technology are integrated, but cooling, the customer group of heat supply are confined to Intra-cell, can not meet
Large area heat supply, the demand of accumulation of heat.
Utility model content
The utility model combines pipe network energy storage and electric boiler, heat pump and the heat supply three kinds of thermals source that draw gas, and realizes heat
The thermoelectricity decoupling of power plant.Using electric boiler and electric compression heat pump consumption generated energy, so as to reduce electricity volume, it is possible to achieve heat
It peak regulation of power plant, both can effectively alleviate regenerative resource consumption predicament, the substantially buret net accumulation of heat storage of heating water can be realized again
Can, future will possess wide market development prospect.
In order to overcome problems of the prior art, technical scheme is used by the utility model：A kind of thermal electrolysis
Coupling peak regulation 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
Platform and heat supply network processed store heat release operational management platform, comprise additionally in circulating water afterheat heat pump recovering system, electric boiler heating system
At least one of.
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 are entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Row Real-Time Scheduling, scheduling signals are transferred to centralized control center of power plant, centralized control center of power plant assigns peak load regulation network instruction, passes through control
The run time of electric boiler and circulating water afterheat heat pump and operation power, and regulation and control heat exchangers for district heating are run to control heat supply to take out
The amount of drawing gas of gas, convert electrical energy into heat energy and be sent into 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 include station boiler, take out it is 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 the recirculated water air cooling system of Chou Ning steam power plants.
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, and in heat exchangers for district heating heat supply water supply and water return pipeline, is connected by multiple threeways
Multiple laterals, the lateral add hot water conveying pipe as the heat supply network of the absorption heat pump and electric compression heat pump
Road, it is connected respectively with the water inlet and delivery port of absorption heat pump and electric compression heat pump.
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 high-temperature steam caused by station boiler, which enters, in steam power plant 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 as driving
Thermal source enters absorption heat pump；Gas turbine exhaust gas is condensed into condensate into condenser and utilized as recirculated water, absorption heat pump
Driving steam reclaims to the heat of recirculated water cold source energy, while runs 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 caused by power plant cooling water radiating can not only be reduced, and heating can be alleviated and 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, improve the comprehensive utilization of energy rate of thermal power plant.
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, feed water heating and energy supply are carried out, this advantage solves annual peak regulation and wind-powered electricity generation low ebb consumption simultaneously
Problem.
Any of the above-described scheme is preferably, and high-tension electricity generates heat heating high-temperature heat accumulation magnesia brick so as to reality by the resistance plate
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 the advantages of playing two kinds of electric boilers each, high-field electrode pot
Stove voltage change is smooth, power network is impacted small, and high pressure solid thermal storage electric boiler has that heat storage capacity is 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 mean temperature and the end building accumulation of heat of a heating network and secondary heating pipe network are integrally lifted by night
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 are realized by building large-scale accumulation of heat water pot or solid and phase change heat storage material at present
Thermoelectricity decouples, but the requirement such as these facility input costs and construction, place is higher, and many existing steam power plants are without implementation bar
Part, but the precondition of the external heat supply of all steam power plants is that it necessarily connects large-scale centralized heating network, with reference to described above sheet
Utility model has advantages below compared to prior art：
1）By using existing central heating network（Including hot in heating network, secondary heating pipe network and a building
Net water 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
Much larger than 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, improve 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 signal for the preferred embodiment of peak regulation control platform one that peak regulation system is decoupled according to thermoelectricity of the present utility model
Figure.
Fig. 2 is the schematic diagram for the preferred embodiment that peak regulation system is decoupled according to thermoelectricity of the present utility model.
Illustrate：
1- station boilers, 2- take out condensing turbine, 3- condensers, 4- cooling towers, 5- heat exchangers for district heatings, 6- absorption heat pumps,
7- electricity compression heat pumps, 8- circulating pumps, 9- electrode boilers, 10- solid heat storage electric boilers, 11- electric control valves, 12- thermal substations,
13- temp probes, 14-secondary cycle pump, 15- power networks and peak regulation of power plant control platform, 16- grid dispatching centers, 17- power plant
Centralized control center, 18- heat supply networks store heat release operational management platform, 19- heat supply networks centralized control center, the heat supply of 20- steam power plants draw 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 utility model content of the present utility model, below in conjunction with specific embodiment to this practicality
New to be described in more detail, embodiment only has exemplary effect to the utility model, without any restrictions
Effect；The insubstantial modifications that any those skilled in the art make on the basis of the utility model, it should all belong to this practicality
Novel protected scope.
Embodiment 1
As depicted in figs. 1 and 2, a kind of thermoelectricity decoupling peak regulation system, including steam power plant's heat supply draw gas heat supply network heating system 20,
Heating 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, recirculated water
Residual heat pump recovery 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 returns
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 are entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Row Real-Time Scheduling, scheduling signals are transferred to centralized control center of power plant 17, 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, convert electrical energy into heat energy and be sent into 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 include 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 the recirculated water air cooling system of Chou Ning steam power plants.
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, connected respectively by multiple threeways multiple
Lateral, the lateral heat water conveyance conduit as the heat supply network of the absorption heat pump 6 and electric compression heat pump 7,
It is connected respectively with the water inlet and delivery port of absorption heat pump 6 and electric compression heat pump.
In the present embodiment, the circulating water outlet of the absorption heat pump 6 and electric compression heat pump 7 and circulation water inlet point
Circulating water pipeline not with cooling tower 4 or recirculated water air cooling system is connected.
In the present embodiment, high-temperature steam caused by station boiler 1 is into condensing turbine 2 is taken out in steam power plant, 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 into condenser 3 and utilizes driving as recirculated water, absorption heat pump 6
Steam reclaims to the heat of recirculated water cold source energy, while runs consumption electricity, or by the use of electric power as driving force, leads 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 caused by power plant cooling water radiating can be reduced, and heating can be alleviated and bring 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, saves a large amount of fuel, improves the comprehensive utilization of energy rate of thermal power plant.
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 follow
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, feed water heating and energy supply are carried out, this advantage solves annual peak regulation and wind-powered electricity generation low ebb consumption simultaneously
Problem.
In the present embodiment, high-tension electricity generates heat heating high-temperature heat accumulation magnesia brick so as to realize accumulation of heat by the resistance plate.
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 the advantages of playing two kinds of electric boilers each,
The voltage change of high-field electrode boiler 9 is smooth, small to power network impact, and high pressure solid thermal storage electric boiler 10 is big with heat storage capacity,
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 realizes, or integrally lifts by night the mean temperature of a heating network and secondary heating pipe network to realize, or
Mean temperature and the end building accumulation of heat of a heating network and secondary heating pipe network are integrally lifted by night to realize.
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
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 steam power plant's heat supply stores and put
Hot operational 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 returns
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 are entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Row Real-Time Scheduling, scheduling signals are transferred to centralized control center of power plant 17, 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 be sent into 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 include 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 the recirculated water air cooling system of Chou Ning steam power plants.
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, connected respectively by multiple threeways multiple
Lateral, the lateral heat water conveyance conduit as the heat supply network of the absorption heat pump 6 and electric compression heat pump 7,
It is connected respectively with the water inlet and delivery port of absorption heat pump 6 and electric compression heat pump.
In the present embodiment, the circulating water outlet of the absorption heat pump 6 and electric compression heat pump 7 and circulation water inlet point
Circulating water pipeline not with cooling tower 4 or recirculated water air cooling system is connected.
In the present embodiment, high-temperature steam caused by station boiler 1 is into condensing turbine 2 is taken out in steam power plant, 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 into condenser 3 and utilizes driving as recirculated water, absorption heat pump 6
Steam reclaims to the heat of recirculated water cold source energy, while runs consumption electricity, or by the use of electric power as driving force, leads 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 caused by power plant cooling water radiating can be reduced, and heating can be alleviated and bring 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, saves a large amount of fuel, improves the comprehensive utilization of energy rate of thermal power plant.
In the present embodiment, the heating network system thermal storage and energy accumulation integrally lifts the flat of heating network by night
Equal temperature realizes, or integrally lifts by night the mean temperature of a heating network and secondary heating pipe network to realize, or
Mean temperature and the end building accumulation of heat of a heating network and secondary heating pipe network are integrally lifted by night to realize.
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 is drawn gas heat supply network heating system 20, heating network system, electricity
Net 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 are entered according to the online demand and power grid electric service condition of wind-powered electricity generation photovoltaic in regional power grid
Row Real-Time Scheduling, scheduling signals are transferred to centralized control center of power plant 17, 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, convert electrical energy into heat energy and be sent into 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 include 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 follow
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, feed water heating and energy supply are carried out, this advantage solves annual peak regulation and wind-powered electricity generation low ebb consumption simultaneously
Problem.
In the present embodiment, high-tension electricity generates heat heating high-temperature heat accumulation magnesia brick so as to realize accumulation of heat by the resistance plate.
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 the advantages of playing two kinds of electric boilers each,
The voltage change of high-field electrode boiler 9 is smooth, small to power network impact, and high pressure solid thermal storage electric boiler 10 is big with heat storage capacity,
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 realizes, or integrally lifts by night the mean temperature of a heating network and secondary heating pipe network to realize, or
Mean temperature and the end building accumulation of heat of a heating network and secondary heating pipe network are integrally lifted by night to realize.
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, steam power plant's heat supply is drawn gas the heat of heat supply network heating system 20
Source can come from gas fired-boiler, coal-burning boiler, the electric boiler of pipe network side, air-source, water resource heat pump thermal source, or other thermoelectricity connection
Produce any one or more in unit.
Embodiment 5
Embodiment 5 is similar to Example 1, except that, the return water of described pipe network of heat supply network is only added by heat supply network
Hot device 5 and 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 utility model, those skilled in the art has shown and described referring particularly to its preferred embodiment
It is appreciated that the various changes that can be made in form and details are new without departing from this practicality described in appended claims
The scope of type.It is described in detail above in association with specific embodiment of the utility model, but is not to limit of the present utility model
System.Every foundation the technical essence of the utility model still falls within this practicality to any simple modification made for any of the above embodiments
The protection domain of new technique scheme.
Claims (17)
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) and heat supply network stores heat release operational management platform (18), wrap in addition
Include at least one of circulating water afterheat heat pump recovering system (21), electric boiler heating system (22).
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 (12) of secondary heating pipe network joining place.
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) are connected by aqueduct；
Circulating pump (8) and electric control valve (11) are set on heating network.
4. thermoelectricity according to claim 2 decouples peak regulation system, it is characterised in that：The secondary heating pipe network and user terminal
Connect, temp probe (13) and secondary cycle pump (8) are set on the secondary heating pipe network.
5. 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) is arranged on the heat supply network centralized control center (19) of the unit of operation of a heating network, is responsible for the amount of stored heat of a heating network
With the control strategy of charge and discharge heat.
6. thermoelectricity according to claim 5 decouples peak regulation system, it is characterised in that：The heat supply network, which stores heat release operational management, puts down
Platform (18) can also be arranged on the heat supply network centralized control center (19) or residential property control centre of the unit of operation of secondary heating pipe network,
It is responsible for the amount of stored heat of region secondary heating pipe network and end building and the control strategy of charge and discharge heat.
7. 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) include 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) is connected with a heating network, and circulating pump (8) is set on a heating network.
8. thermoelectricity according to claim 1 decouples peak regulation system, it is characterised in that：The circulating water afterheat heat pump recovery system
The circulating water afterheat source of system (21) includes the large cooling column (4) of the extraction condensing type steam power plant of hyperbolic-type, or Chou Ning steam power plants
Recirculated water air cooling system.
9. thermoelectricity according to claim 8 decouples peak regulation system, it is characterised in that：The circulating water afterheat heat pump recovery system
System (21) includes steam-powered absorption heat pump (6) and/or electric compression heat pump (7) of driven by power.
10. thermoelectricity according to claim 9 decouples peak regulation system, it is characterised in that：Heat exchangers for district heating (5) heat supply supply water and
On water return pipeline, multiple laterals are connected by multiple threeways, the lateral is as the absorption heat pump (6) and electricity
The heat supply network heating water conveyance conduit of compression heat pump (7), enter water with absorption heat pump (6) and electric compression heat pump (7) respectively
Mouth connects with delivery port.
11. thermoelectricity according to claim 10 decouples peak regulation system, it is characterised in that：The absorption heat pump (6) and electricity
The circulating water outlet of compression heat pump (7) and circulation water inlet respectively with cooling tower (4) or the recirculated water of recirculated water air cooling system
Pipeline connects.
12. any one thermoelectricity decoupling peak regulation system according to claim 7~11, it is characterised in that：It is electric in steam power plant
High-temperature steam of standing caused by boiler (1), which enters, takes out condensing turbine (2), is transported to heat supply network by a steam turbine heat supply part of drawing gas and adds
Hot device (5), heats to circulation water for heating, and another part enters absorption heat pump (6) as driving heat source；Gas turbine exhaust gas
Condensate is condensed into condenser (3) to utilize as recirculated water, absorption heat pump (6) and drive steam to recirculated water cold source energy
Heat reclaimed, while run consumption electricity, or by the use of electric power as driving force, pass through electric compression heat pump (7) and return
Receive the heat of recirculated water cold source energy.
13. thermoelectricity according to claim 1 decouples peak regulation system, it is characterised in that：The electric boiler heating system (22)
Including high-field electrode boiler (9) and/or high pressure solid thermal storage electric boiler (10).
14. thermoelectricity according to claim 13 decouples peak regulation system, it is characterised in that：High-field electrode boiler (9) bag
Include high-voltage fence and access system, high-field electrode wiring, electrode boiler body, plate type heat exchanger, electrode boiler (9) recirculated water
Pump, temperature control system and its connecting pipe.
15. decouple peak regulation system according to the thermoelectricity described in claim 13, it is characterised in that：The high pressure solid thermal storage electric boiler
(10) high-voltage fence and access system, resistive heater or resistance plate, high-temperature heat accumulation magnesia brick, high temperature air circulated air are included
Machine, high efficiency air water- to-water heat exchanger, solid heat storage electric boiler water circulating pump, temperature control system and its connecting pipe.
16. decouple peak regulation system according to the thermoelectricity described in claim 15, it is characterised in that：High-tension electricity is sent out by the resistance plate
Heat heats high-temperature heat accumulation magnesia brick so as to realize accumulation of heat.
17. decouple peak regulation system according to the thermoelectricity described in claim 1, it is characterised in that：The thermal source of the heating network system comes
Draw gas heat supply network heating system (20) from steam power plant's heat supply, returned by extracted steam from turbine accumulation of heat, and/or from circulating water afterheat heat pump
The heat pump of receipts system (21), and/or the electric boiler heat release from electric boiler heating system (22), to realize steam power plant's thermoelectricity
Decoupling.
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| CN201720734116.7U CN206724281U (en) | 2017-06-22 | 2017-06-22 | Thermoelectricity decouples peak regulation system |
| PCT/CN2017/099591 WO2018233024A1 (en) | 2017-06-22 | 2017-08-30 | Thermoelectric decoupling peak load regulating system |
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| CN108443957A (en) * | 2018-02-26 | 2018-08-24 | 南京友智科技有限公司 | The peak regulation heat supply method that a kind of big thermoelecrtic, hold over system jointly control |
| CN108625911A (en) * | 2018-03-29 | 2018-10-09 | 东北电力大学 | A kind of therrmodynamic system promoting thermal power plant unit electricity output regulating power |
| CN108692352A (en) * | 2018-08-17 | 2018-10-23 | 国电龙源电力技术工程有限责任公司 | Heating system and method suitable for steam power plant's peak tune |
| CN110469835A (en) * | 2019-07-30 | 2019-11-19 | 西安交通大学 | Thermoelectricity decoupled system and operation method based on absorption heat pump and thermal storage equipment |
| CN111520808A (en) * | 2020-03-09 | 2020-08-11 | 华电电力科学研究院有限公司 | Complex combined heat and power heating system based on low-temperature waste heat recovery and electric heating load adjusting method |
| CN111520808B (en) * | 2020-03-09 | 2021-04-13 | 华电电力科学研究院有限公司 | Complex combined heat and power heating system based on low-temperature waste heat recovery and electric heating load adjusting method |
| CN114060111A (en) * | 2021-11-09 | 2022-02-18 | 西安热工研究院有限公司 | Liquid compressed air energy storage method and system for utilizing waste heat of circulating water of thermal power generating unit |
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| WO2018233024A1 (en) | 2018-12-27 |
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