CN108775612A - Based on the active peak regulation system of solid heat accumulation and electric system - Google Patents
Based on the active peak regulation system of solid heat accumulation and electric system Download PDFInfo
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- CN108775612A CN108775612A CN201810952790.1A CN201810952790A CN108775612A CN 108775612 A CN108775612 A CN 108775612A CN 201810952790 A CN201810952790 A CN 201810952790A CN 108775612 A CN108775612 A CN 108775612A
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- Prior art keywords
- heat
- solid heat
- furnace group
- storage furnace
- peak regulation
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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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
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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
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
Abstract
The present invention provides a kind of being connected to steam power plant's thermal power plant unit based on the active peak regulation system of solid heat accumulation and electric system, including main electrical scheme system, power-supply system, solid heat-storage furnace group, heating system and control system, main electrical scheme system.The outlet bus of main electrical scheme system includes II section of I section of high voltage bus and high voltage bus, and increases an interval newly respectively, is connect with the input terminal of power-supply system.The output end of power-supply system is connect by master switch with solid heat-storage furnace group, and control system is connect with master switch, and solid heat-storage furnace group is also connect with heating system.Control system carries out electric heating conversion or stopping by electricity for controlling solid heat-storage furnace group after by electricity.Solid heat-storage furnace group is additionally operable to heat the liquid in heating system using the thermal energy of storage.The active peak regulation system uses single-trunk segmental wiring, and powered stable, the safety of solid heat-storage furnace group are ensured using dual power supply, and uses solid heat-storage furnace group heat accumulation, and storage density is high, small.
Description
Technical field
The present invention relates to power peak regulation technical fields, in particular to a kind of active peak regulation system based on solid heat accumulation
System and electric system.
Background technology
In Northern Part of China, the honourable problem of largely abandoning caused by the heat supply in winter phase " conflict of scene heat " has become
The focus of social concerns, reason be thermoelectricity unit heating when " electricity determining by heat " constraint and cause its peak modulation capacity substantially to drop
It is low or even lost.Studies have shown that peak load regulation network scarce capacity is an important factor for restricting the consumption of power grid wind-light-electricity, and energy storage is slow
The effective measures that the regenerative resources online such as solution wind-powered electricity generation is obstructed.In terms of energy storage technology, stored up relative to flywheel energy storage, lithium battery
Other energy storage modes such as energy, compressed-air energy storage, water-storage, heat accumulation all have larger economy in power and two aspect of capacity
Property, about 1,000,000 yuan of every megawatt of cost.Therefore steam power plant participates in depth peak regulation, and heat accumulation is more preferably to select.Big work(is built in Generation Side
Rate heat accumulation peak regulation system is converted into thermal energy using generating set electric energy and adds to heat supply network, fossil-fired unit may be implemented not
It reduces in the case of contributing, realizes the depth peak regulation to power grid, have ten for improving electric system regenerative resource digestion capability
Divide important meaning.In addition, newly-increased Electric heat-storing oven can increase peak period heat supply, steam power plant's heat capacity is improved, favorably
It is further administered in surrounding area and dissipates coal combustion, realized that Coal Clean efficiently utilizes, coal contaminants discharge capacity is reduced, to air
Prevention and cure of pollution have positive meaning.
Peak regulation relies primarily on unit load shedding inside power plant at present and main steam pressure and temperature reducing technology is realized, but by heat supply
The limitation of load and stable operation of unit is unable to reach the purpose of active peak regulation, is unable to reach depth peak regulation.In addition, existing
Also have in technology and participate in peak regulation using water storage tank arrangement, although this technology can participate in peak regulation, there are the hot volume densities of device
Small, bulky, heat cannot merge the problems such as safety is low, and control system is complicated, and peak modulation capacity is poor with Chu Suiyong, water power.
Invention content
In view of this, the purpose of the embodiment of the present invention is, provide a kind of active peak regulation system based on solid heat accumulation and
Electric system is to improve the above problem.
The embodiment of the present invention provides a kind of active peak regulation system based on solid heat accumulation, and the system comprises main electrical scheme systems
System, power-supply system, solid heat-storage furnace group, heating system and control system, the main electrical scheme system are connected to steam power plant's heat supply
Unit；
The outlet bus of the main electrical scheme system includes II section of I section of high voltage bus and high voltage bus, I section of the high voltage bus
It is connected with breaker between II section of high voltage bus, one is increased newly respectively on II section of I section of the high voltage bus and the high voltage bus
A interval is connect with the input terminal of the power-supply system；
The output end of the power-supply system is connect by master switch with the power supply buses of the solid heat-storage furnace group, the control
System processed is connect with the master switch, and the solid heat-storage furnace group is also connect with the heating system；
The control system is used to control the solid heat-storage furnace group by the master switch and will be connect from the master after by electricity
The electric energy of linear system system conveying is converted to thermal energy and stores, or stops by electricity for controlling the solid heat-storage furnace group；
The solid heat-storage furnace group is additionally operable to heat the liquid in the heating system using the thermal energy of storage, and
It is delivered to external public heat network system using the heating system.
Optionally, in the above-mentioned active peak regulation system based on solid heat accumulation, the solid heat-storage furnace group includes more
Solid heat-storage furnace, the more solid heat-storage furnaces are connected in parallel.
Optionally, in the above-mentioned active peak regulation system based on solid heat accumulation, the master switch and the power-supply system
Between be also associated with step-down transformer, for the voltage conveyed from the main electrical scheme system to be carried out decompression processing.
Optionally, in the above-mentioned active peak regulation system based on solid heat accumulation, the heating system include Gateway Station in Heating Network,
Heat supply pipeline and water circulating pump, the heat supply pipeline are connect with the Gateway Station in Heating Network, and the water circulating pump is arranged in the confession
On heat pipeline, the solid heat-storage furnace group is connect with the heat supply pipeline；
The liquid is delivered to the Gateway Station in Heating Network, institute by the heat supply pipeline for receiving externally input liquid
Gateway Station in Heating Network is stated for the liquid to be heated and exported, the solid heat-storage furnace group is used to heat the Gateway Station in Heating Network
Liquid afterwards carries out continuing to heat, and the liquid after the heat supply pipeline is used to heat the solid heat-storage furnace group exports.
Optionally, in the above-mentioned active peak regulation system based on solid heat accumulation, the Gateway Station in Heating Network includes vapour-hydro-thermal net
Heater.
Optionally, in the above-mentioned active peak regulation system based on solid heat accumulation, the heat supply pipeline includes heat supply network return water
Pipeline and heat supply network water supply line, the heat supply network water return pipeline and the heat supply network water supply line are connect with the Gateway Station in Heating Network respectively,
The water circulating pump is arranged on the heat supply network water supply line, and the solid heat-storage furnace group is connected to the heat supply network water supply line.
Optionally, in the above-mentioned active peak regulation system based on solid heat accumulation, the heat supply network water supply line with it is described solid
It is arranged between the input terminal of body heat-storage furnace group and between the output end of the solid heat-storage furnace group and the heat supply network water supply line
There is regulating valve, and by-passing valve is provided on the heat supply network water supply line.
Optionally, in the above-mentioned active peak regulation system based on solid heat accumulation, the control system include controller with
And the timing module being connect with the controller.
The embodiment of the present invention also provides a kind of electric system, including steam power plant's thermal power plant unit and above-mentioned is stored up based on solid
The active peak regulation system of heat, steam power plant's thermal power plant unit and the main electrical scheme in the active peak regulation system based on solid heat accumulation
System connects.
Optionally, in above-mentioned electric system, steam power plant's thermal power plant unit includes generator and excitation, the power generation
Machine and the excitation are connect after being connected to primary and secondary line with step-up transformer, and the other end of the step-up transformer is connected to the master
Wiring system.
The embodiment of the present invention provides a kind of based on the active peak regulation system of solid heat accumulation and electric system, and passing through breaker will
The outlet bus of main electrical scheme system is divided into II section of I section of high voltage bus and high voltage bus, and dual power supply is provided for solid heat-storage furnace group
Outgoing line interval has ensured the powered stable of solid heat-storage furnace group, flexible and safety using dual power supply.Also, it uses solid
Body heat-storage furnace group converts electrical energy into thermal energy to be stored, and solid heat-storage furnace group storage density is high, small, and storage can be used
Heat release either exothermic operational mode, control mode simple and flexible in heat accumulation after heat.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure diagram of the active peak regulation system provided in an embodiment of the present invention based on solid heat accumulation.
Fig. 2 is the connection relationship diagram of electric system provided in an embodiment of the present invention.
Fig. 3 is the structure diagram of electric system provided in an embodiment of the present invention.
Fig. 4 is the connection relationship diagram of heating system provided in an embodiment of the present invention.
Icon：10- electric system；Active peak regulation systems of the 100- based on solid heat accumulation；110- main electrical scheme systems；111- is disconnected
Road device；120- power-supply systems；130- solid heat-storage furnace groups；131- solid heat-storage furnaces；140- heating systems；141- Gateway Station in Heating Network；
142- heat supply pipelines；1421- heat supply network water return pipelines；1422- heat supply network water supply lines；143- water circulating pumps；144- regulating valves；145-
By-passing valve；150- control systems；151- timing modules；152- controllers；160- master switch；170- step-down transformers；200- heat
Power plant's thermal power plant unit；The first generators of 210-；The second generators of 220-；The first excitations of 230-；The second excitations of 240-；250- first
Step-up transformer；The second step-up transformers of 260-.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually
The component for the embodiment of the present invention being described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
It please refers to Fig.1 and Fig. 2, the embodiment of the present invention provides a kind of active peak regulation system 100 based on solid heat accumulation, described
Active peak regulation system is applied to electric system 10, and the electric system 10 includes steam power plant's thermal power plant unit 200, the active peak regulation
System includes main electrical scheme system 110, power-supply system 120, solid heat-storage furnace group 130, heating system 140 and control system 150,
Wherein, steam power plant's thermal power plant unit 200 is connected to the main electrical scheme system 110.
The outlet bus of the main electrical scheme system 110 includes II section of I section of high voltage bus and high voltage bus, the high voltage bus
Breaker 111, I section of the high voltage bus and the upper difference of II section of the high voltage bus are connected between I section and II section of high voltage bus
A newly-increased interval, connect with the input terminal of the power-supply system 120.
The output end of the power-supply system 120 is connected by master switch 160 and the power supply buses of the solid heat-storage furnace group 130
Connect, the control system 150 is also connect with the master switch 160, in addition, the solid heat-storage furnace group 130 also with the heat supply
System 140 connects.The control system 150 is used to control the solid heat-storage furnace group 130 after by electricity by the master switch 160
The electric energy conveyed from the main electrical scheme system 110 is converted into thermal energy and is stored, or for controlling the solid heat-storage furnace group 130
Stop by electricity.The solid heat-storage furnace group 130 is additionally operable to carry out the liquid in the heating system 140 using the thermal energy of storage
Heating, and it is delivered to external public heat network system using the heating system 140.
In the present embodiment, steam power plant's thermal power plant unit 200 includes generating set and excitation, optionally, the power generation
Unit may include that the first generator 210, the second generator 220, the excitation may include the first excitation 230 and the second excitation 240,
Wherein, first generator 210 and first excitation 230 connect after being connected to primary and secondary line with the first step-up transformer 250
It connects, second generator 220 and second excitation 240 are connected to after another strip busbar and the second step-up transformer
260 connections.The other end of first step-up transformer 250 is connected to I section of the high voltage bus, second step-up transformer
260 other end is connected to II section of the high voltage bus.First step-up transformer 250 and second step-up transformer
260 are respectively used to generate electricity in first generator 210 and second generator 220 can carry out boosting processing after, conveying
To II section of I section of the high voltage bus and the high voltage bus.Optionally, first step-up transformer 250 and second liter described
Pressure transformer 260, which is respectively used to generate electricity in first generator 210 and second generator 220, can boost to 220kV,
And it is delivered to II section of I section of high voltage bus and high voltage bus.
In the present embodiment, double winding can be used in first step-up transformer 250 and second step-up transformer 260
Transformer.
It is also associated with station service electrical system and public electric wire net system on each primary and secondary line, is not dispatched in power grid normal operation
When instruction or active peak regulation instruct, 200 normal operation of steam power plant's thermal power plant unit, institute's electricity removes station service electrical system consumption
Except be sent into the public electric wire net for outside factory user load use.And when power grid assign dispatch command requirement peak regulation of power plant or
When being power plant's active peak regulation instruction issuing, the control system 150 is opened by controlling the master switch 160, so that described solid
Body heat-storage furnace group 130 is by electricity with will be produced by steam power plant's thermal power plant unit 200 received by the main electrical scheme system 110
Electric energy be converted to thermal energy and store.When needing to carry out heat supply, the solid heat-storage furnace group 130 will utilize the thermal energy pair of storage
Liquid in heating system 140 is heated, and is delivered to external public heat network system with for users to use.
In this way, using the heat storage function of solid heat-storage furnace group 130, it will be passively or actively participation peak regulation, dissolve thermoelectricity unit
Institute's electricity provides space for the online of the new energy electric powers such as scene, realizes depth peak regulation.And when heat demand amount is big, profit
Heat supply is carried out with 130 quantity of heat storage of solid heat-storage furnace group, while meeting the heat demand of heat supply network and the depth peak regulation of power grid to need
It asks.
In the present embodiment, outlet bus is divided by II section of I section of high voltage bus and high voltage bus using breaker 111, such as
This, when the first step-up transformer 250 or the maintenance of the second step-up transformer 260 or failure generation, breaker 111 is closed, to protect
Demonstrate,prove busbar uninterrupted power supply.It after bus section, will can be met using breaker 111 and be supplied using the responsible consumer that double-circuit line is powered
Electric reliability requirement.And in the present embodiment, II section of I section of high voltage bus and high voltage bus are respectively connected to the defeated of power-supply system 120
Enter end, the power outlet including two-way electric power incoming line and all the way of the power-supply system 120, using single bus scheme.Dual power supply
Ensure 130 powered stable of solid heat-storage furnace group, flexible and safety.
In the present embodiment, between the master switch 160 and the power-supply system 120 of the solid heat-storage furnace group 130 also
Be connected with step-down transformer 170, the step-down transformer 170 be used for by from the voltage that the main electrical scheme system 110 is conveyed into
Row decompression is handled, and such as the voltage that the voltage step-down for the 220kV for being conveyed high voltage bus is 10kV, so can ensure that solid heat accumulation
The Electrical Safety of stove group 130.In the present embodiment, two-winding transformer can be used in the step-down transformer 170.
Optionally, Fig. 3 is please referred to, in the present embodiment, the solid heat-storage furnace group 130 includes more solid heat-storage furnaces
131, the more solid heat-storage furnaces 131 are connected in parallel to the power supply buses, and the solid heat-storage furnace 131 includes solid heat accumulation
Medium, solid heat-storage furnace 131 is generated electricity by resistive electric heating body consumption steam power plant thermal power plant unit 200 can be to heat solid heat accumulation
Medium simultaneously stores the thermal energy of generation, and storage density is high and small.
Fig. 4 is please referred to, in the present embodiment, the heating system 140 includes Gateway Station in Heating Network 141, heat supply pipeline 142
And water circulating pump 143, the heat supply pipeline 142 are connect with the Gateway Station in Heating Network 141, the water circulating pump 143 is arranged in institute
It states on heat supply pipeline 142, the solid heat-storage furnace group 130 is connect with the heat supply pipeline 142.
The liquid is delivered to the Gateway Station in Heating Network by the heat supply pipeline 142 for receiving externally input liquid
141, the Gateway Station in Heating Network 141 is for being heated and being exported to the liquid.The solid heat-storage furnace group 130 is used for described
Liquid after Gateway Station in Heating Network 141 heats carries out continuing to heat, and is added solid heat-storage furnace group 130 by the heat supply pipeline 142
Liquid output after heat.
In the present embodiment, the heat supply pipeline 142 includes heat supply network water return pipeline 1421 and heat supply network water supply line 1422, described
Heat supply network water return pipeline 1421 and the heat supply network water supply line 1422 are connect with the Gateway Station in Heating Network 141 respectively, the water circulating pump
143 are arranged on the heat supply network water supply line 1422, and the solid heat-storage furnace group 130 is connected to the heat supply network water supply line 1422
On.
Optionally, lateral is provided on the heat supply network water supply line 1422, the solid heat-storage furnace group 130 passes through institute
It states lateral and is connected to the heat supply network water supply line 1422.In the heat supply network water supply line 1422 and the solid heat-storage furnace group
It is arranged between 130 input terminal and between the output end and the heat supply network water supply line 1422 of the solid heat-storage furnace group 130
There is regulating valve 144.Connecting point between the heat supply network water supply line 1422 and the input terminal of the solid heat-storage furnace group 130
On branch pipe(tube), and connect the lateral of the output end and the heat supply network water supply line 1422 of the solid heat-storage furnace group 130
On be respectively arranged with regulating valve 144.In addition, also being set between two above-mentioned laterals of the heat supply network water supply line 1422
It is equipped with by-passing valve 145.
In the present embodiment, the heat supply network water supply line between the water inlet and the lateral of water supply of solid heat-storage furnace group 130
By-passing valve 145 is set on 1422, can guarantee that heating system 140 is normal during solid heat-storage furnace group 130 breaks down or overhauls
Operation.
Optionally, in the present embodiment, the Gateway Station in Heating Network 141 includes vapour-water heat exchangers for district heating, the vapour-hydro-thermal net
Heater using heating steam caused by bleeder steam as heat source to being delivered to institute from the heat supply network water supply line 1422
The liquid for stating Gateway Station in Heating Network 141 is heated.After the heating by the water circulating pump 143, and pass through the heat supply network feed pipe
Road 1422 is delivered to the solid heat-storage furnace group 130 and carries out continuing to heat, and solid heat-storage furnace group 130 passes through described after heating
Heat supply network water supply line 1422 is delivered to external public heat network system with for users to use.
In the present embodiment, solid heat-storage furnace group 130 is connected on heat supply network water supply line 1422, is increased on original system
It only needs to increase by 143 lift of water circulating pump during heat supply network supplies water after solid heat-storage furnace group 130, it is not necessary that the public heat supply network system in end is transformed
System, when implementing, the system reform is simple, and easily controllable and investment is low.
In the present embodiment, exothermic pattern again can be used after the heat accumulation of a period of time in the solid heat-storage furnace group 130,
The exothermic pattern in heat accumulation, control mode simple and flexible may be used.
In the present embodiment, the control system 150 includes controller 152 and the meter being connect with the controller 152
When module 151, the timing module 151 can realize that the process converted to electric heating carries out timing, and by the controller 152 with
Realize that timing is converted.
When it is implemented, in power grid normal operation, i.e., no dispatch command also without power plant's active peak regulation instruction issuing when,
200 normal operation of steam power plant's thermal power plant unit, generator institute electricity remove and will be fed into public electric wire net except station service electrical system consumption
So that user uses outside factory, and over-the-counter public heat supply network can be also sent by bleeder steam and after the heat exchange of Gateway Station in Heating Network 141.
It, can be there are many operation reserve, if for example, thermal load demands and steam turbine are taken out according to thermal load demands in the present embodiment
Tolerance is all constant, and solid heat-storage furnace group 130, which participates in heat supply, then can additionally increase area of heat-supply service；If thermal load demands are constant, solid
Heat-storage furnace group 130, which participates in heat supply, can then reduce bleeder steam amount, reduce hotspot stress, additionally increase generated energy, and then increase and sell
Electricity income.
When power grid assigns dispatch command requirement peak regulation of power plant either power plant's active peak regulation, then the controller 152 will
Control information is sent out after receiving above-metioned instruction to the master switch 160, the master switch 160 is in the controller 152
Control is lower to open.Solid heat-storage furnace group 130 is in the thermoelectricity that after by electricity, reception is conveyed from the main electrical scheme system 110
Electric energy caused by factory's thermal power plant unit 200, and the electric energy is converted into thermal energy and is stored.In the present embodiment, main electrical scheme system
Single-trunk segmental wiring and double power-supply system 120 in system 110 will ensure 130 powered stable of solid heat-storage furnace group and safety.
The timing module 151 can receive the time-of-the-day order for being used to indicate peak regulation duration, such as can set a length of 4 when peak regulation
Hour or 5 hours etc., the present embodiment is not limited, and can be configured according to actual demand.Timing module 151 is anti-by peak regulation duration
It is fed to the controller 152, and prompting message is sent to the controller 152, the controller in the duration for reaching setting
152 will control the master switch 160 after receiving the prompting message closes, and the power-off of solid heat-storage furnace group 130 is to tie
Beam peak regulation.200 electricities of steam power plant's thermal power plant unit will be fed into public electric wire net, restore 200 normal operation of steam power plant's thermal power plant unit
Pattern.Realization is passively or actively participation peak regulation by above system, consumption thermal power plant unit institute electricity, is the new energy such as scene
Electric power online provides space, realizes depth peak regulation.
In conclusion the embodiment of the present invention provide it is a kind of based on the active peak regulation system 100 of solid heat accumulation and electric system
10, the outlet bus of main electrical scheme system 110 is divided by II section of I section of high voltage bus and high voltage bus by breaker 111, is solid
Body heat-storage furnace group 130 provides dual power supply outgoing line interval, has ensured that the power supply of solid heat-storage furnace group 130 is steady using dual power supply
It is fixed, flexible and safe.Also, it uses solid heat-storage furnace group 130 and converts electrical energy into thermal energy to be stored, solid heat-storage furnace
130 storage densities of group are high, small, and heat release either exothermic operational mode, controlling party in heat accumulation after heat accumulation can be used
Formula simple and flexible.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected.Can be
Mechanical connection can also be electrical connection.It can be directly connected, can also can be indirectly connected through an intermediary two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "upper", "lower" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of active peak regulation system based on solid heat accumulation, which is characterized in that the system comprises main electrical scheme system, power supply systems
System, solid heat-storage furnace group, heating system and control system, the main electrical scheme system are connected to steam power plant's thermal power plant unit；
The outlet bus of the main electrical scheme system includes I section of high voltage bus and II section of high voltage bus, I section of the high voltage bus and height
It is connected with breaker between II section of busbar of pressure, is increased newly between one respectively on II section of I section of the high voltage bus and the high voltage bus
Every being connect with the input terminal of the power-supply system；
The output end of the power-supply system is connect by master switch with the power supply buses of the solid heat-storage furnace group, the control system
System is connect with the master switch, and the solid heat-storage furnace group is also connect with the heating system；
The control system is used to control the solid heat-storage furnace group by the master switch will be from the main electrical scheme system after by electricity
The electric energy of system conveying is converted to thermal energy and stores, or stops by electricity for controlling the solid heat-storage furnace group；
The solid heat-storage furnace group is additionally operable to heat the liquid in the heating system using the thermal energy of storage, and utilizes
The heating system is delivered to external public heat network system.
2. the active peak regulation system according to claim 1 based on solid heat accumulation, which is characterized in that the solid heat-storage furnace
Group includes more solid heat-storage furnaces, and the more solid heat-storage furnaces are connected in parallel.
3. the active peak regulation system according to claim 1 based on solid heat accumulation, which is characterized in that the master switch and institute
It states and is also associated with step-down transformer between power-supply system, for the voltage conveyed from the main electrical scheme system to be carried out decompression place
Reason.
4. the active peak regulation system according to claim 1 based on solid heat accumulation, which is characterized in that the heating system packet
Gateway Station in Heating Network, heat supply pipeline and water circulating pump are included, the heat supply pipeline is connect with the Gateway Station in Heating Network, and the water circulating pump is set
It sets on the heat supply pipeline, the solid heat-storage furnace group is connect with the heat supply pipeline；
The liquid is delivered to the Gateway Station in Heating Network, the heat by the heat supply pipeline for receiving externally input liquid
Net initial station is for being heated and being exported to the liquid, after the solid heat-storage furnace group is used to heat the Gateway Station in Heating Network
Liquid carries out continuing to heat, and the liquid after the heat supply pipeline is used to heat the solid heat-storage furnace group exports.
5. the active peak regulation system according to claim 4 based on solid heat accumulation, which is characterized in that the Gateway Station in Heating Network packet
Include vapour-water heat exchangers for district heating.
6. the active peak regulation system according to claim 4 based on solid heat accumulation, which is characterized in that the heat supply pipeline packet
Include heat supply network water return pipeline and heat supply network water supply line, the heat supply network water return pipeline and the heat supply network water supply line respectively with the heat supply network
Initial station connects, and the water circulating pump is arranged on the heat supply network water supply line, and the solid heat-storage furnace group is connected to the heat supply network
Water supply line.
7. the active peak regulation system according to claim 6 based on solid heat accumulation, which is characterized in that the heat supply network feed pipe
Between road and the input terminal of the solid heat-storage furnace group and the output end of the solid heat-storage furnace group and the heat supply network feed pipe
It is provided with regulating valve between road, and by-passing valve is provided on the heat supply network water supply line.
8. the active peak regulation system according to claim 1 based on solid heat accumulation, which is characterized in that the control system packet
The timing module for including controller and being connect with the controller.
9. a kind of electric system, which is characterized in that described in steam power plant's thermal power plant unit and claim 1-8 any one
Active peak regulation system based on solid heat accumulation, steam power plant's thermal power plant unit and the active peak regulation system based on solid heat accumulation
In main electrical scheme system connection.
10. electric system according to claim 9, which is characterized in that steam power plant's thermal power plant unit include generator and
Excitation, the generator and the excitation are connect after being connected to primary and secondary line with step-up transformer, the step-up transformer it is another
End is connected to the main electrical scheme system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952790.1A CN108775612A (en) | 2018-08-20 | 2018-08-20 | Based on the active peak regulation system of solid heat accumulation and electric system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952790.1A CN108775612A (en) | 2018-08-20 | 2018-08-20 | Based on the active peak regulation system of solid heat accumulation and electric system |
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