CN107300258A - It is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology - Google Patents
It is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology Download PDFInfo
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- CN107300258A CN107300258A CN201610239041.5A CN201610239041A CN107300258A CN 107300258 A CN107300258 A CN 107300258A CN 201610239041 A CN201610239041 A CN 201610239041A CN 107300258 A CN107300258 A CN 107300258A
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/04—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid
- F24H7/0408—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply
- F24H7/0416—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid with forced circulation of the transfer fluid using electrical energy supply the transfer fluid being air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0052—Details for air heaters
- F24H9/0073—Arrangement or mounting of means for forcing the circulation of air
- F24H9/0078—Arrangement or mounting of means for forcing the circulation of air for storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1854—Arrangement or mounting of grates or heating means for air heaters
- F24H9/1863—Arrangement or mounting of electric heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2064—Arrangement or mounting of control or safety devices for air heaters
- F24H9/2071—Arrangement or mounting of control or safety devices for air heaters using electrical energy supply
- F24H9/2078—Storage heaters
Abstract
The invention provides it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology, circulation air is heated to more than design storage temperature using high pressure trough-electricity/abandon wind-powered electricity generation, high temperature circulation air after heating flows through the heat accumulating stepped heating of heat accumulation room different zones, and heat accumulation process control is realized by temperature controller；Peak of power consumption or it is non-abandon wind period needs it is hot when, regulate and control circulating fan, driving cycle air exchanges heat into reservoir with it, air after heating exchanges heat by heat exchanger and by the heat-transfer fluid that circulating pump drives, transfer thermal energy to heat user side, air themperature reduction after heat exchange, realizes through circulating fan and circulates；The present invention separates heating element heater and reservoir, reservoir and heat supply region disconnecting, solve safety problem conductive under heat accumulating high temperature high voltage in current high pressure electric heating energy-storage device, pass through the control of reservoir subregion and circulated air simultaneously, regulate and control temperature forward position in reservoir, realize the step storage of heat and utilize.
Description
Technical field
It is a kind of to be based on step heat accumulation the present invention relates to the technical field such as energy-conservation, energy storage, electric power and heating power peak regulation and Thermal Power Engineering
With the trough-electricity of heat and abandon wind-powered electricity generation and utilize device and technology, can be applied to scale heat supply and electric power and heating power peak regulation, and can be again
The fields such as raw using energy source.
Background technology
In recent years, the electric power industry development of China is rapid, however as the rapid growth of people's life, industry and commercial power,
The pressure of China's peak times of power consumption supply of electric power is still very serious, and corresponding is that substantial amounts of trough-electricity cannot effective profit
With.Meanwhile, China's regenerative resource industrial development in recent years is rapid, occurs in that the problem of renewable electric power is surfed the Net, and causes a large amount of
The problems such as abandoning wind, abandon light and abandon water.These situations accelerate the development and constantly innovation upgrading of comprehensive utilization of energy technology, its
The effect of middle heat-storage technology is more and more important, the general principle of the technology be in the low power consumption period or during abandoning wind-powered electricity generation, will be unnecessary
The form that (low price) electricity is converted into heat is stored, and recycling is realized in release during peak of power consumption or when needing, and is reached with this
To peak load shifting, the purpose for cutting operating costs and effectively utilizing regenerative resource.
Based on trough-electricity or abandon the heating of wind-powered electricity generation, heat accumulation and technology with heat has had started to application in recent years；Patent
CN201320282194.X provides a kind of electric heat storage type hot-blast stove, and cardinal principle is to convert electric energy to thermal energy storage containing storage
In the heat storage of hot material, exported via air-air exchanger heating air, wherein thermal store includes the storage of electrical heating type
- heat radiation structure, air-air exchanger is made up of some U-shaped being connected with air distributor metal fin pipes, this device
It is adapted to the electric heat accumulation of volt voltage class up to ten thousand；Patent CN201210159123.0 provides a kind of ultra-high voltage electric heat energy storage device, will
Thermal store is divided into multiple splitting heat-storage bodies and contacted, and solves the problem of single thermal store terminal voltage is too high, suitable for 10kV with
Electrical heating wire lead-out wire both end voltage difference is less than the minimum breakdown potential of thermal store in upper various voltage class, but each splitting heat-storage body
Pressure；Patent CN20129252.3 provides a kind of integrated phase transformation energy accumulation power consumption heat supply process and device, passes through electric heating tube, heat conduction
The heat transfer of fin and heat exchange coil completes accumulation of heat, heat release and the heating process of phase-change heat-storage material, and heat-conducting metal fin concurrently hangs down
Direct puncture is on heating muff so that heat accumulating can be with thermally equivalent.Above-described patented technology exists following one or more
Problem.One of problem is to use sensible heat heat accumulation mechanism, adds system design defect, during heat utilization, the thermal output of system
Temperature is constantly reduced with the time, is caused even if using complicated control technology also difficult stable heating process；Under the two of problem are high temperature
The conductivity issues of material, it is different from general commercial power and household electricity, material is not only considered when high-tension electricity is converted into heat energy
Heat accumulation rate of heat release requirement and heat transfer property, it is also contemplated that the electric conductivity of the electric conductivity of material, particularly material at high temperature
It can increase, such as, for wide variety of MgO solids researching of sensible heat storage material, when temperature is greater than about 500 DEG C under high voltage, can become
Into conductor, thus the storage density of system is limited, and there is potential safety problem；The three of problem can not realize heat energy
Classification storage and classified utilization.Problems above to the selection of heat accumulating, heating electrode arrangement and insulation, system design,
The requirement of challenge is proposed in terms of operating temperature range and control, the internal structure of heat reservoir.Phase-change heat-storage material is because of it
High storage density increasingly attracts attention, but for many phase-change heat-storage materials, especially inorganic salts material is in phase transformation
Also can be conductive in journey, therefore the method that heating element heater in many patented technologies as described above and heat accumulating are directly contacted is in height
Do not applied under gentle high voltage, limit phase-change heat-storage material in high pressure trough-electricity or abandon the application of wind-powered electricity generation heat accumulation；Therefore hair is needed
Open up new trough-electricity/abandon wind-powered electricity generation and heat-heat accumulation-and use thermal technology, can with security and stability be worked under high-tension electricity and high temperature, it is full
Sufficient scale electric power and heating power peak regulation demand, and regenerative resource efficient utilization.
The content of the invention
It is an object of the invention to for it is above-mentioned the problem of there is provided the device that a kind of utilization trough-electricity/abandon wind-powered electricity generation heats-heat accumulation-use heat
With technology, to solve the problems such as not high materials conductive, storage density during current high voltage high-temperature heat-storage and unstable heat supply, together
The step storage of Shi Shixian heat energy and discharge, heat utilization rate is improved, available for extensive heat supply and power peak regulation and can be again
The raw energy is effectively utilized.
For up to this purpose, the present invention provides a kind of trough-electricity based on step heat accumulation heat and abandons wind-powered electricity generation using device and technology, bag
Include loop control unit, heat accumulation/heat release unit and heat user unit；
The loop control unit includes circulating fan, electrical heating room, power control unit, gas channel and insulating layer of external wall；
The circulating fan includes controller of fan, in the gas channel of electrical heating room upstream, for providing heat accumulation and exothermic process
In circulation air；The controller of fan is connected with power control unit and heat user unit, for adjust circulation wind speed and
Wind-warm syndrome；The electrical heating room is located in the gas channel between circulating fan and heat accumulation room, is connected with power control unit, comprising
Electrical heating elements and thermocouple, for the high pressure trough-electricity of input/abandon wind-powered electricity generation to be converted into heat energy, and pass through radiation by made heat energy
And circulation air passes to heat accumulating；The electrical heating elements surface, which can scribble anti-oxidant and radiation intensification coating, to be used to carry
High heating element life and reinforcement are conducted heat；The power control unit is located at its exterior, is connected with electrical heating room, adds for electricity
The power and temperature control of thermal element, make electrical heating room output heat energy of safety and stability on request during heat accumulation；The air-flow leads to
Passage that road includes being located between heat accumulating module, electrical heating indoor channel and containing circulating fan and to heat user heat supply
The passage of heat exchanger, heat flowing is carried for air-flow during heat supply and heat accumulation；During heat accumulation, part trough-electricity/abandon wind-powered electricity generation
Made heat passes to the heat accumulating of neighbouring electrical heating room side (being located at heat accumulating floor anterior) by radiant heat transfer, in addition
Heat is carried by circulated air and by the airflow path between heat accumulating module passes to heat accumulating, make the temperature rise of heat accumulating from by
The heat accumulating front end of nearly electrical heating room starts；Regulated and controled by gas channel and the design and air velocity of porous heat-insulating layer distribution,
Realize the regulation and control of the circulating current temperature of heat accumulating outlet；If not heat supply during heat accumulation, by regulating and controlling (such as low wind speed)
High temperature forward position steep in heat accumulating bed is realized, the circulating current temperature for keeping the outlet of heat accumulating bed low；If same during heat accumulation
When heat supply, then by regulate and control (such as medium wind speed) realize the high temperature forward position more spread in heat accumulating, make heat accumulating bed go out
The circulating current temperature of mouth meets heat demand；In exothermic process, stop electricity and heat, low-temperature circulating wind pressurizes through blower fan, from storage
Hott bed front portion flow into heat accumulation bed in gas channel, and with heat accumulating exchange heat, temperature is constantly raised, the gas after heating from
The outlet outflow of heat accumulating bed, by heating system heat exchanger, transfers heat to heat user, gas flow temperature is reduced during this
And enter circulating fan, realize cyclic process；Because cryogenic gas enters from heat accumulation bed is anterior, the low temperature forward position of heat accumulating bed
By upstream to lower downstream, while heat accumulating inner flow passage Heterogeneous Permutation, the use of porous insulation dividing plate and the regulation and control of wind speed
Steeper low temperature forward position can be obtained, so as to reach the constant purpose of heat accumulating exit flow temperature, realizes that the step of heat is used
With stable heating process；
The heat accumulation/heat release unit includes thermal baffle, porous radiation heat transfer plate, porous heat-insulating layer and reservoir；It is described it is adiabatic every
Plate is between the gas channel and reservoir where circulating fan, between this fraction passage and its equipment and reservoir
It is heat-insulated；The porous radiation heat transfer plate is between electrical heating room and storage/heat release, positioned at the entrance of the air-flow of heat accumulation/heat release unit
Place, the porous radiation heat transfer plate surface can contain radiation coating, for enhanced rad heat transfer；Porous heat-insulating layer except for
Uniform cross-section air flow method, is also divided into some heat accumulation subregions by reservoir, reduces heat conduction, the dimension of reservoir on air current flow direction
The temperature forward position for holding reservoir internal stability, the step storage and release of realizing heat energy；
The heat user unit includes temperature controller, circulating pump, heat user system and heat exchanger；The temperature controller include temperature and
Flow controller, positioned at its exterior and with the temperature and stream in the temperature sensor in gas channel and heat user system
Quantity sensor is connected, for controlling the heat supply temperature of heat accumulation/heat release unit and the input temp and flow of heat user system；It is described
Circulating pump includes heat transfer fluid circulation pipeline, the heat exchanger phase with heat user system and in circulating fan upstream airflow passage
Even, power is provided for heat-transfer fluid in pipeline, heat transfer contained by heat-transfer fluid to heat user system is used；The heat
Exchanger is located in the gas channel of circulating fan upstream, is connected with water circulating pump, for the heat of the hot blast in gas channel to be passed
Pass the heat-transfer fluid of circulating line.
It is preferred that, the heating element heater material in the electrical heating room is high temperature resistant, resistance to oxidation and corrosion resisting alloy or refractory ceramics.
It is preferred that, the electrical heating elements in the electrical heating room are with heat transfer extended surface with augmentation of heat transfer.
It is preferred that, set blast fence to increase air-flow residence time, and augmentation of heat transfer in the electrical heating room.
It is preferred that, the heat-insulation layer and thermal baffle can be single or multiple lifts, and its material is low thermal conductivity material, including is steeped
Foam plastics, charing cork, vermiculite, foam glass, ceramic fibre, light thermal-insulation cotton, microporous calcium silicate, perlite and glass
Cotton.
It is preferred that, the material of the reservoir is the researching of sensible heat storage material of organic or inorganic, latent heat (phase transformation) heat accumulating, answered
Structure heat accumulating or the combination between them are closed, the temperature in use scope of heat accumulating is 0-1000 DEG C.
It is preferred that, the circulating fan is low-power consumption high temperature centrifugal blower.
Beneficial effects of the present invention are：Circulation air is heated to more than design storage temperature using high pressure trough-electricity/abandon wind-powered electricity generation, led to
Circulation air stepped heating from close to the heat accumulation subregion of electrical heating room is crossed, reservoir exit is provided with temperature control, and storage is utilized effective
While hot material sensible heat and latent heat carry out heat accumulation, realize charging process control and ensure the normal work of circulating fan；Need to make
When using heat, close electrical heating and circulation air is entered heat accumulation gas channel, after circulation air is heated by reservoir, pass through heat
Exchanger realizes that heat energy is exported with the heat-transfer fluid heat exchange in heat user unit, after the Cryogenic air after heat exchange is pressurizeed through circulating fan
Exchanged heat with reservoir, realize the circulation of wind；The present invention separates heating element heater and reservoir, solve current high-tension electricity heat,
Heat accumulation and the safety problem with heat accumulating high-temperature electric conduction in thermal technology, it is ensured that system safety operation；Due to take heat accumulation area and
Heat supply area is separated, and heat accumulating can be with hot operation, and can use composite phase-change heat-storage material, solves tradition storage at present
The problem of low storage density and system bulk of hot material and huge weight；The present invention can realize step storage and the ladder of heat simultaneously
Level is utilized, it is ensured that the stability of hot-blast outlet temperature, improves heat utilization rate, is adapted to large-scale promotion.
Brief description of the drawings
Fig. 1 is a kind of trough-electricity based on step heat accumulation heat provided for the specific embodiment of the invention and abandons wind-powered electricity generation and utilize device
With the structural representation of technology.
In figure：
1st, circulating fan, 2, electrical heating room, 3, power control unit, 4, gas channel, 5, insulating layer of external wall, 6, absolutely
Hot dividing plate, 7, porous radiation heat transfer plate, 8, porous heat-insulating layer, 9, reservoir, 10, temperature controller, 11, circulating pump, 12,
Heat user system, 13, heat exchanger.
Embodiment
Fig. 1 be the specific embodiment of the invention provide it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and
The structural representation of technology, further illustrates technical scheme below in conjunction with the accompanying drawings and by embodiment.
The present invention embodiment be：During low price paddy electricity or abandon the wind-powered electricity generation period, ON cycle blower fan (1) is opened and set
Set the tone and save power control unit (3), the electric Canadian dollar part in electrical heating room (2) is heated the circulation air flowed through in it, heat is followed
Annular space gas first passes around front end of the porous radiation plate (7) even into reservoir (9), then passes through the internal gas of reservoir (9)
Each subregion that circulation road (4) and porous heat-insulating layer (8) enter in reservoir (9), the heat carried in the process by
Each reservoir (9) subregion is passed to after forward direction step by step, the temperature of circulation air of reservoir (9) is left by temperature controller (10)
Record, and in this, as according to the output temperature and circulating fan (1) wind speed for adjusting electrical heating room (2), realizing to storage in real time
The regulation and control of thermal process so that the temperature that circulation air is back to circulating fan (1) is no more than its tolerable temperature, and can guarantee that heat accumulation
Period needs the requirement to circulated air parameter in the case of heat supply simultaneously；Non- trough-electricity or it is non-abandon the wind-powered electricity generation period, electric heating unit close
Close, when this period needs heat supply, adjust circulating fan (1), circulated air makes with the heat accumulating heat exchange in reservoir (9)
Its temperature is improved, and the circulated air after heating is carried heat to heat exchanger (13) by the gas channel (4) in reservoir (9)
Place simultaneously passes to the heat-transfer fluid driven by circulating pump (11), and most heat is inputted to heat user system (12) at last, heat
Export and regulated and controled by the controller of temperature controller (10) and circulating fan (1)；Dropped by the circulating air temperature of heat exchanger (13)
It is low, reservoir (9) is reentered after being pressurizeed using circulating fan (1), realizes and recycles.
Use a kind of trough-electricity hot based on step heat accumulation and abandon wind-powered electricity generation using device and technology for Jiangsu that the present invention is provided
30000m2Heating on market daytime, it is considered to design heating load is 40W/m2, the night dip electricity period is 8 hours, during heating
Not heat supply, daytime, heating time was that 8 hours, then system heat supply and heat accumulation power are 1.2MW, and required total quantity of heat storage is
9.6MWh；In view of all kinds of losses, design takes 10% surplus, then adds heat accumulation heating power actual value to take 1.32MW；Use
Storage density is 930kJ/kg sizing phase-change heat-storage material, and heat accumulating usage amount is about 40 tons.According to Jiangsu Province's " Soviet Union's valency work
[2011] No. 358 " text regulation, big industrial, non-preferential treatment, 1-10 kilovolts of electricity rates are：1.112 yuan/the kilowatt hour in peak, flat section
0.667 yuan/kilowatt hour, 0.322 yuan/kilowatt hour of low ebb is small for 8 hours flat sections and 8 according to using 8 hours trough-electricity heat accumulations
When peak period use, average computation can be obtained, and can be saved by often spending electricity using device using this trough-electricity by 0.5675 yuan, and Jiangsu Province is supplied
Warm season is general from March in December to the coming year, therefore each warm season can save about 650,000 yuan.
The present invention is described by embodiment, and those skilled in the art know, is not departing from the spirit and scope of the present invention
In the case of, various changes or equivalence replacement can be carried out to these features and embodiment.In addition, under the guidance of the present invention,
These features and embodiment can be modified to adapt to particular situation and material without departing from the spirit and scope of the present invention.
Therefore, the present invention is not limited to the particular embodiment disclosed, the embodiment fallen with claims hereof
Belong to the scope of protection of the invention.
Claims (7)
1. a kind of trough-electricity based on step heat accumulation heat and abandon wind-powered electricity generation and utilize device and technology, including loop control unit, heat accumulation
/ heat release unit and heat user unit, it is characterised in that：The loop control unit include circulating fan (1), electrical heating room (2),
Power control unit (3), gas channel (4) and insulating layer of external wall (5)；The circulating fan (1) includes controller of fan,
In the gas channel (4) of electrical heating room (2) upstream, for providing the circulation air in heat accumulation and exothermic process；It is described
Controller of fan is connected with power control unit (3) and heat user unit, for adjusting circulation wind speed and wind-warm syndrome；The electricity adds
In gas channel (4) between heat accumulation room of the hot cell (2) positioned at circulating fan (1) and containing reservoir (9), with electric power control
Unit (3) processed is connected, comprising electrical heating elements and thermocouple, for the high pressure trough-electricity of input/abandon wind-powered electricity generation to be converted into heat energy,
And made heat energy is passed into heat accumulating by radiation and circulation air；The electrical heating elements surface can scribble anti-oxidant
It is used to improve heating element life with radiation intensification coating and strengthens conducting heat；The power control unit (3) is located at its exterior,
It is connected with electrical heating room (2), for the power and temperature control of electrical heating elements, electrical heating room (2) is pressed during heat accumulation
It is required that the output heat energy of safety and stability；The gas channel (4) includes passage, electrical heating room (2) being located in reservoir (9)
The passage of interior passage and the heat exchanger (13) containing circulating fan (1) and to heat user heat supply, for heat supply and heat accumulation
During air-flow carry heat flowing and hot air circulation；
The heat accumulation/heat release unit includes thermal baffle (6), porous radiation heat transfer plate (7), porous heat-insulating layer (8) and heat accumulation
Layer (9)；The thermal baffle (6) is positioned at the gas channel (4) where circulating fan (1) and the storage containing reservoir (9)
Between hot cell, for heat-insulated between this fraction passage (4) and its equipment and reservoir (9)；The porous radiation is passed
Between heat accumulation room of the hot plate (7) between electrical heating room (2) containing reservoir (9), positioned at the porch of the air-flow of heat accumulation room,
The surface of the porous radiation heat transfer plate (7) can contain radiation coating, for enhanced rad heat transfer；The porous heat-insulating layer (8)
Except for uniform cross-section air flow method, heat accumulation room also is divided into some heat accumulation subregions, to reduce reservoir on air current flow direction
(9) heat conduction, the temperature forward position of maintenance reservoir (9) internal stability, the step storage and release for realizing heat energy；
The heat user unit includes temperature controller (10), circulating pump (11), heat user system (12) and heat exchanger (13)；
The temperature controller (10) includes temperature and flow controller, is passed positioned at its exterior and with the temperature in gas channel (4)
Temperature in sensor and heat user system (12) is connected with flow sensor, the heat supply temperature for controlling heat accumulation/heat release unit
And the input temp and flow of heat user system (12)；The circulating pump (11) includes heat transfer fluid circulation pipeline, with heat
Custom system (12) and the heat exchanger (13) in circulating fan (1) upstream airflow passage (4) are connected, and are pipeline
Interior heat-transfer fluid provides power, and heat transfer contained by heat-transfer fluid to heat user system (12) is used；The heat exchange
Device (13) is located in the gas channel (4) of circulating fan (1) upstream, is connected with water circulating pump (11), for by air-flow
The heat transfer of passage (4) interior hot blast is to the heat-transfer fluid in circulating line.
2. it is according to claim 1 it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology, its
It is characterised by：Heating element heater material in the electrical heating room (2) is that high temperature resistant, resistance to oxidation and corrosion resisting alloy or high temperature resistant are made pottery
Porcelain.
3. it is according to claim 1 it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology, its
It is characterised by：Electrical heating elements in the electrical heating room (2) are with heat transfer extended surface with augmentation of heat transfer.
4. it is according to claim 1 it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology, its
It is characterised by：Blast fence is set to increase air-flow residence time, and augmentation of heat transfer in the electrical heating room (2).
5. it is according to claim 1 it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology, its
It is characterised by：The insulating layer of external wall (5) and thermal baffle (6) can be single or multiple lifts, and its material is low thermal conductivity
Material, including foamed plastics, charing cork, vermiculite, foam glass, ceramic fibre, light thermal-insulation cotton, microporous calcium silicate,
Perlite and mineral wool.
6. it is according to claim 1 it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology, its
It is characterised by：The material of the reservoir (9) is the researching of sensible heat storage material of organic or inorganic, latent heat (phase transformation) heat accumulating,
Composite construction heat accumulating or the combination between them, the temperature in use scope of heat accumulating is 0-1000 DEG C.
7. it is according to claim 1 it is a kind of based on step heat accumulation heat trough-electricity and abandon wind-powered electricity generation utilize device and technology, its
It is characterised by：The circulating fan (1) is low-power consumption high-temperature centrifugal fan.
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| CN201610239041.5A CN107300258B (en) | 2016-04-14 | 2016-04-14 | Low-valley electricity and abandoned wind electricity utilization device based on heat for cascade heat storage |
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