CN107560183A - 900 volts of electricity store heat energy apparatus - Google Patents
900 volts of electricity store heat energy apparatus Download PDFInfo
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- CN107560183A CN107560183A CN201610504090.7A CN201610504090A CN107560183A CN 107560183 A CN107560183 A CN 107560183A CN 201610504090 A CN201610504090 A CN 201610504090A CN 107560183 A CN107560183 A CN 107560183A
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Abstract
The invention discloses a kind of 900 volts of electricity to store heat energy apparatus, including：Electric heat storage, electric heat storage have thermal, cryogenic wind-tunnel and high temperature air channel, and heat storage is provided with thermal, and heat storage is provided with 900 volts of electric heater；Heated heat release heat exchanger, and heating heat release heat exchanger is located between cryogenic wind-tunnel and high temperature air channel；Heat exchange blower fan, heat exchange blower fan are located on heat release circulation wind path；Phase transition heat accumulation unit, phase transition heat accumulation unit include heat exchange water route, phase-transition heat-storage body and accumulation of heat circulation waterway, a part for accumulation of heat circulation waterway and stretched into cryogenic wind-tunnel, and heat exchange water route is provided with control valve；Plate type heat exchanger, plate type heat exchanger are provided with once tube bank and secondary tube bank, and the both ends once restrained are connected with heating heat release heat exchanger, and secondary tube bank and heat exchange water route is arranged in parallel between secondary return pipe and secondary outlet pipe；Electric power supply control system.900 volts of electricity according to embodiments of the present invention store heat energy apparatus energy saving and accumulation of heat effect improves.
Description
Technical field
The present invention relates to electric accumulation of heat energy technical field, stores heat energy apparatus more particularly, to a kind of 900 volts of electricity.
Background technology
Traditional clean energy resource accumulation of heat heating equipment is all that homogenous material and principle are formed, in addition, the voltage class of electricity consumption accumulation of heat
Generally 10 kilovolts and 0.4 kilovolt.10 kilovolts of electric thermal storage equipments are applied to ultra-large type heating area and heat storage volume receives greatly
Erection space and limited by power supply；It is more heater strip to be present in 0.4 kilovolt of electric thermal storage equipment, loop electrical equipment and cable
Dosage is big, electric current is big etc. causes the drawbacks such as heat loss is big, cost is high.Single electric accumulation of heat principle does not save in itself, simply uses
The paddy period is cheap electric and saves money.In the paddy period with can not stop heating when supplying electricity to heat storage accumulation of heat again, prevent from freezing for Exotherm
Bad pipe network, just the necessary heat release in accumulation of heat, influences electric accumulation of heat effect.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention proposes
A kind of 900 volts of electricity store heat energy apparatus, and 900 volts of electricity store heat energy apparatus energy saving and accumulation of heat effect improves, reduces heat waste
Consumption and cost.
900 volts of electricity according to embodiments of the present invention store heat energy apparatus, including：Electric heat storage, the electric heat storage have accumulation of heat
Chamber, cryogenic wind-tunnel and high temperature air channel, the thermal is interior to be provided with heat storage, and it is 900 volts that the heat storage, which is provided with voltage,
Electric heater；Heated heat release heat exchanger, and the heating heat release heat exchanger is located between cryogenic wind-tunnel and the high temperature air channel, institute
State thermal, the high temperature air channel, the heating heat release heat exchanger and the cryogenic wind-tunnel and be sequentially connected composition heat release circulated air
Road；Heat exchange blower fan, the heat exchange blower fan are located on the heat release circulation wind path, to drive wind in heat release circulation wind path
Flowing；Phase transition heat accumulation unit, the phase transition heat accumulation unit include heat exchange water route, the phase-transition heat-storage to heat exchange water route heating
Body and the accumulation of heat circulation waterway to phase-transition heat-storage body heating, a part for the accumulation of heat circulation waterway stretch into the low temperature
To be exchanged heat with wind in air channel, the heat exchange water route is provided with control valve, and the accumulation of heat circulation waterway is provided with water circulating pump；
Plate type heat exchanger, the plate type heat exchanger are provided with once tube bank and secondary tube bank, the both ends once restrained and the heating
Heat release heat exchanger is connected to form recuperated cycle water route, and the secondary tube bank is arranged in parallel in secondary return pipe with the heat exchange water route
Between secondary outlet pipe；Electric power supply control system, the electric power supply control system control the electric heater, the heat exchange blower fan,
The control valve and water circulating pump work.
900 volts of electricity according to embodiments of the present invention store heat energy apparatus using electric accumulation of heat and phase-transition heat-storage complimentary fashion carry out accumulation of heat and
Heating, energy saving and accumulation of heat effect improve, and use 900V power voltage supplies, have reduced electric current, reduce thermal losses,
Reduce by 2/3rds cables, reduce loop, reduce fault rate, saved material and cost of labor.
In addition, 900 volts of electricity according to the above embodiment of the present invention, which store heat energy apparatus, can also have technical characteristic additional as follows：
According to some embodiments of the present invention, the regenerator temperature of the phase-transition heat-storage body is less than or equal to 80 degrees Celsius.
According to some embodiments of the present invention, it is described heating heat release heat exchanger be two-stage air-water heat exchanger and including：Carbon steel shell
Formula heat exchanger, heat exchange water cavity is defined in the carbon steel shell-and-tube heat exchanger, airduct, the airduct are defined in the water cavity
Inside define the heat exchanging air duct connected with the high temperature air channel；Red copper finned tube exchanger, the red copper finned heat exchanger is interior to be limited
Surely there is the hot air cavity of changing of the connection heat exchanging air duct and the cryogenic wind-tunnel, the heat exchange wind intracavitary is provided with water pipe, the water pipe
Inside define and water cavity and changed with described exchange heat respectively with the heat exchange water channel that connect of heat exchange water cavity, the both ends once restrained
Hot water channels connect.
According to some embodiments of the present invention, the heat storage is magnesium iron gitter brick.
According to some embodiments of the present invention, the magnesium iron gitter brick includes polylith, and magnesium iron gitter brick is accumulated to be formed described in polylith
For accumulation of heat cube, the accumulation of heat cube is interior to be provided with multiple mounting holes and multiple air vents, and the electric heater includes multiple electricity and added
Heated filament, multiple electrical heating wires are plugged in the corresponding mounting hole.
According to some embodiments of the present invention, on the outer surface of accumulation of heat housing and at least one of inner surface of the electric heat storage
Provided with heat-insulation layer.
According to some embodiments of the present invention, the electric heater includes multigroup resistance wire, and every group of resistance wire is connected into star-like and connect
Enter 900 volts of voltages of industrial frequency AC three-phase, the access voltage per phase resistance silk is 520 volts.
According to some embodiments of the present invention, in addition to：Afterheat recycling water tank, the afterheat recycling water tank and the electric accumulation of heat
The accumulation of heat housing contact of body, the afterheat recycling water tank is located between the secondary return pipe and the secondary tube bank and institute
State between secondary return pipe and the heat exchange water route.
According to some embodiments of the present invention, in addition to：External heat preservation decorative board, the external heat preservation decorative board cladding electricity store
Hot body, the afterheat recycling water tank are located between the external heat preservation decorative board and the electric heat storage.
According to some embodiments of the present invention, the heat exchange blower fan is frequency conversion fan.
The additional aspect and advantage of the present invention will be set forth in part in the description, and partly will become bright from the following description
It is aobvious, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation that 900 volts of electricity according to embodiments of the present invention store heat energy apparatus.
Reference：
Magnesium iron gitter brick 1；Electrical heating wire 2；Electrical control cubicles 3；Radiation proof board case 4；Inside holding plate 5；Heat-insulation plate for external 6；High temperature
Air channel 7；Carbon steel shell-and-tube heat exchanger 8；Red copper finned heat exchanger 9；Heat exchange blower fan 10；Cryogenic wind-tunnel 11；Waste heat changes
Hot device 12；Phase transition heat accumulation unit 13；Plate type heat exchanger 14；Once restrain 15；Secondary tube bank 16；Once restrain outlet pipe
17；Once restrain return pipe 18；Water circulating pump 19 (22,31)；Secondary outlet pipe 20；Secondary return pipe 21；Waste heat returns
Receive water tank 23；External heat preservation decorative board 24；Exchange heat water cavity 25；Heat exchanging air duct 26；Air-blower control cable 27；Control valve 28；
Exchange heat water channel 29；Change hot air cavity 30.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to accompanying drawing
The embodiment of description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
900 volts of electricity according to embodiments of the present invention are described in detail below in conjunction with the accompanying drawings and store heat energy apparatus.
Shown in reference picture 1, according to embodiments of the present invention 900 volts electricity store heat energy apparatus and changed including electric heat storage, heating heat release
Hot device, heat exchange blower fan 10, phase transition heat accumulation unit 13, plate type heat exchanger 14 and electric power supply control system.
Electric heat storage has thermal, cryogenic wind-tunnel 11 and high temperature air channel 7, is provided with heat storage in thermal, is set on heat storage
There is the electric heater that voltage is 900 volts.Heating heat release heat exchanger is located between cryogenic wind-tunnel 11 and high temperature air channel 7, thermal,
High temperature air channel 7, heating heat release heat exchanger and cryogenic wind-tunnel 11, which are sequentially connected, forms heat release circulation wind path.Heat exchange blower fan 10 is set
On heat release circulation wind path, to drive wind to be flowed in heat release circulation wind path.
Phase transition heat accumulation unit 13 includes heat exchange water route, the phase-transition heat-storage body of heat exchanging water route heating and phase-transition heat-storage body is heated
Accumulation of heat circulation waterway, the part of accumulation of heat circulation waterway stretches into cryogenic wind-tunnel 11 to be exchanged heat with wind, exchanges heat on water route
Provided with control valve 28, accumulation of heat circulation waterway is provided with water circulating pump 22.Plate type heat exchanger 14, which is provided with, once restrains 15 and two
Secondary tube bank 16, the both ends and heating heat release heat exchanger for once restraining 15 are connected to form recuperated cycle water route, secondary tube bank 16 with
Heat exchange water route is arranged in parallel between secondary return pipe 21 and secondary outlet pipe 20.Electric power supply control system control electric heater,
Heat exchange blower fan 10, control valve 28 and water circulating pump 19 (22,31) work.
Thus, electric heater can heat under the power supply and control of electric power supply control system to heat storage, make heat storage real
Existing accumulation of heat.When heat exchange blower fan 10 is run, heat release circulation wind path internal circulation flow wind, and wind can be with storage when passing through heat storage
Hot body produces heat exchange, and some heats of heat storage are brought to the heat release heat exchanger that heats, the heat of heating heat release heat exchanger absorption
15 bands can once be restrained to plate type heat exchanger 14, heat exchanges occur with secondary tube bank 16, so that from secondary return pipe
21 water flowed into flow out after being heated from secondary outlet pipe 20, realize heat supply.
In addition, the wind after heat exchange occurs when flowing at cryogenic wind-tunnel 11 with heating heat release heat exchanger, can be with phase-transition heat-storage
Heat exchange occurs for the heat exchange water route of device 13, and the water in the water route that exchanges heat can absorb the heat of the low temperature wind in cryogenic wind-tunnel 11,
Phase-transition heat-storage body is heated, phase-transition heat-storage body is realized accumulation of heat.Thus, while electric heat storage is realized and heated,
Accumulation of heat, good energy saving property can be carried out to phase transition heat accumulation unit 13, also, when control valve 28 is opened, phase-transition heat-storage fills
Putting 13 can also heat to the water flowed into from secondary return pipe 21, be heated with realizing, heating effect is good.
Preferably, in actual use, in the paddy period, heat exchange blower fan 10 and water circulating pump 22 can be made out of service,
And open control valve 28, now, the accumulation of heat under the control of electric heater of electric heat storage, heat release circulation wind path in there is no
The wind circulated, the heat of heat storage will not be brought by wind realizes heat exchange into heating heat release heat exchanger, i.e., electric heat storage is not
Outwards release heat, the state in only accumulation of heat not heat release, accumulation of heat effect are good again.At the same time, at due to control valve 28
In opening so that secondary return pipe 21, heat exchange water route turn on secondary outlet pipe 20, the water in secondary return pipe 21
It can flow at phase transition heat accumulation unit 13, realize heat exchange with phase-transition heat-storage body, phase transition heat accumulation unit 13 is realized confession
It is warm, heating can be realized in the case of electric heat storage not heat release, heating effect is good.
900 volts of electricity according to embodiments of the present invention store heat energy apparatus using electric accumulation of heat and phase-transition heat-storage complimentary fashion carry out accumulation of heat and
Heating, phase transition heat accumulation unit 13 can absorb the waste heat of electric heat storage to realize accumulation of heat, and discharge heat to confession in the paddy period
Heating system realizes heat supply, while electric heat storage can reach an effect for accumulation of heat not heat release heating in the paddy period, energy saving and
Recovery electric heating system improves；Electric heater uses 900V power voltage supplies simultaneously, has reduced electric current, reduces thermal losses, reduces three
/ bis- cable, reduces loop, reduces fault rate, has saved material and cost of labor.
Preferably, the regenerator temperature of phase-transition heat-storage body is less than or equal to 80 degrees Celsius.That is, when electric heat-storage device is to phase
When becoming regenerative apparatus 13 and carrying out accumulation of heat, the regenerator temperature of the phase-transition heat-storage body in phase transition heat accumulation unit 13 80 degrees Celsius it
When lower, the heat storage operation can be carried out always, and when the regenerator temperature of phase-transition heat-storage body reaches 80 degrees Celsius, electric heat storage is not
Accumulation of heat is carried out to phase-transition heat-storage body by accumulation of heat circulation waterway again, water circulating pump 22 can be with out of service, and heat exchange blower fan 10 is still
Remain on, to realize the heat exchange of electric heat-storage device and the heat release heat exchanger that heats.Alternatively, phase-transition heat-storage body can be by stone
The material such as wax, graphite and metal compatibility into phase-change material form, accumulation of heat to 80 degree stop.
Wherein, automatically controlled to realize, temperature sensor can be set on phase-transition heat-storage body, and temperature sensor can detect phase
Become the regenerator temperature of heat storage, when the regenerator temperature of phase-transition heat-storage body reaches 80 degree, electrical apparatus control system can automatically control
Water circulating pump is stopped, and control operation is convenient.
Heating heat release heat exchanger structure be formed as it is a variety of, alternatively, as shown in figure 1, heating heat release heat exchanger include carbon
Steel pipe shell heat exchanger 8 and red copper finned heat exchanger 9.Heat exchange water cavity 25 is defined in carbon steel shell-and-tube heat exchanger 8, is changed
Tracheae is defined in hot-water cavity, tracheal strips define the heat exchanging air duct 26 connected with high temperature air channel 7.In red copper finned heat exchanger
Define connection heat exchanging air duct 26 and cryogenic wind-tunnel 11 changes hot air cavity 30, changes in hot air cavity 30 and is provided with water pipe, in water pipe
Define with the heat exchange water channel 29 that connect of heat exchange water cavity 25, once restrain 15 both ends respectively with heat exchange water cavity 25 and exchanging heat
Water channel 29 connects.
Thus, heating heat release heat exchanger can be formed as the two-stage air-water heat exchanger being made up of unlike material, can improve heat exchange
The heat exchange efficiency of device, and the carbon steel shell-and-tube heat exchanger 8 used in the first order using shell side water flowing, tube side ventilation by the way of,
It can drop to 400 degree below with resistance to 800 degree of high temperature by exporting wind-warm syndrome after heat exchange, ensure that the red copper fin of the second level changes
Hot device 9 not overtemperature；Meanwhile the red copper finned heat exchanger 9 used in the second level is divulged information, by the way of tube side water flowing using shell side,
Allow 400 degrees Celsius of hot blast normally to realize with water to exchange heat, small volume, efficiency high, meet wind-warm syndrome and heat transfer technology requirement.
Heat storage can be magnesium iron gitter brick 1.Magnesium iron gitter brick 1 is convenient to be obtained, and accumulation of heat effect is good.Further, magnesium
Iron gitter brick 1 includes polylith, and the accumulation of polylith magnesium iron gitter brick 1 is formed as accumulation of heat cube, multiple installations are provided with accumulation of heat cube
Hole and multiple air vents, electric heater include multiple electrical heating wires 2, and multiple electrical heating wires 2 are plugged in corresponding mounting hole.
Thus, installation is not only facilitated, and heating effect is good, meanwhile, wind can flow through magnesium iron gitter brick 1, heat exchange effect from air vent
Fruit is good.
Alternatively, electrical heating wire 2 can be resistance wire, and electric heater can include multigroup resistance wire, and every group of resistance wire is connected into
It is star-like and access 900 volts of voltages of industrial frequency AC three-phase, wherein, the access voltage per phase resistance silk is 520 volts.Thus,
Connection is concise, is not easy misconnection, and loop is few, and operational reliability is high.Can be screw type by more per phase resistance silk
Resistance wire is formed.
In certain specific embodiments of the invention, the outer surface of the accumulation of heat housing of electric heat storage and inner surface it is at least one
On can be provided with heat-insulation layer.That is, the distribution of heat-insulation layer includes three kinds of situations：One kind is arranged on accumulation of heat shell for heat-insulation layer
On the outer surface of body, another kind is arranged on the inner surface of accumulation of heat housing for heat-insulation layer, also a kind of appearance for accumulation of heat housing
Heat-insulation layer is provided with face and inner surface.Thus, heat-insulation layer can realize insulation, effectively prevent the heat of electric heat storage to
It is outer to scatter and disappear, avoid energy waste, good energy saving property.Material and the number of plies for heat-insulation layer do not do it is specifically limited, can be according to tool
Body situation is flexibly selected.
As shown in figure 1,900 volts of electricity according to embodiments of the present invention store heat energy apparatus and also include afterheat recycling water tank 23, waste heat
Return water tank 23 contacts with the accumulation of heat housing of electric heat storage, and afterheat recycling water tank 23 is located at secondary return pipe and secondary tube bank 16
Between and secondary return pipe 21 and heat exchange water route between.Thus, either secondary tube bank is flowed into from secondary return pipe 21
Water in 16, or the water flowed into from secondary return pipe 21 in heat exchange water route can be flow at afterheat recycling water tank 23 first
Preheating is realized, can not only utilize the heat of electric heat storage, and heating effect, good energy saving property, while waste heat can be improved
Return water tank 23 can also play a part of appearance cooling.In addition, to improve the flow velocity of water, water can be set on the water route that exchanges heat
Pump.
Alternatively, 900 volts of electricity, which store heat energy apparatus, also includes external heat preservation decorative board 24, as shown in figure 1, external heat preservation decorative board 24
Electric heat storage is coated, afterheat recycling water tank 23 is located between external heat preservation decorative board 24 and electric heat storage.Thus, not only can be with
Improve 900 volts of electricity and store the aesthetic property of heat energy apparatus, and can further improve heat insulation effect.For external heat preservation decorative board 24
Specific material do not do specifically limited, can flexibly be selected as the case may be.
Heat exchange blower fan 10 can be frequency conversion fan.Specifically, frequency converter can be set in heat exchange blower fan 10, changed with realizing
The regulation of the wind speed of air-heater 10, control are more flexible.
Show that 900 volts of electricity according to embodiments of the present invention store a specific example of heat energy apparatus in Fig. 1.As shown in figure 1,
Electric heat storage is made up of magnesium iron gitter brick 1, electrical heating wire 2, radiation proof board case 4, inner thermal insulating layer 5 and external thermal insulation 6.It is anti-
Radiant panel case 4 is above-mentioned accumulation of heat housing, can be radiation proof stainless steel case.Multiple magnesium iron gitter bricks 1 are built into piled bricks and are mounted in
In radiation proof board case 4, electrical heating wire 2 is uniformly inserted in the mounting hole of piled bricks, and electrical heating wire 2 is connected into star by three-phase alternating current
Type is connect and is connected with electrical control cubicles 3, and inner thermal insulating layer 5 is located on the outer surface of radiation proof board case 4, and external thermal insulation 6 is located at interior guarantor
On the outer surface of warm layer 5.In paddy time section, electrical control cubicles 3 are powered to electrical heating wire 2, the accumulation of heat by of electric heat storage, store
Heat voltage is 900 volts, and inner thermal insulating layer 5 and external thermal insulation 6 keep the temperature of accumulation of heat, and the general regenerator temperature that sets is at 800 °
Below C.Breaker and contactor in switch board 3 use operating voltage as 1140 volts of electric elements.
One end connection thermal in high temperature air channel 7, the heat exchanging air duct 26 of other end connection carbon steel shell-and-tube heat exchanger 8.Carbon steel
Shell-and-tube heat exchanger 8 connects red copper finned heat exchanger 9, and red copper finned heat exchanger 9 connects frequency conversion fan 10, switch board
3 air-blower control cable 27 connects heat exchange blower fan 10, and heat exchange blower fan 10 connects cryogenic wind-tunnel 11.In shell-and-tube heat exchanger 8
In, leak water in shell, leaked out in pipe；In red copper finned heat exchanger 9, leak out in shell, leak water in pipe.
Water circulating pump 19 is connected with once tube bank return pipe 18, once restrains return pipe 18 and plate type heat exchanger 14 once
Pipeline 15 is connected, and water circulating pump 19 is connected with red copper finned heat exchanger 9 again, in plate type heat exchanger 14 a pipeline
Outlet pipe 17 is once restrained in 15 connections, is once restrained outlet pipe 17 and is connected carbon steel shell-and-tube heat exchanger 8.
When needing heat release, start heat exchange wind 10, high-temperature hot-air enters carbon steel by magnesium iron gitter brick 1 by high temperature air channel 7
Shell-and-tube heat exchanger 8, subsequently into red copper finned heat exchanger 9, the water flowed in heating heat release heat exchanger is heated, accumulation of heat
Chamber, high temperature air channel 7, heating heat release heat exchanger and cryogenic wind-tunnel 7, which are sequentially connected, forms heat release circulation wind path.High temperature air channel 7
Wide about 0.6 meter, cryogenic wind-tunnel 11 is wide about 0.6 meter.
The heat energy of heat storage by plate type heat exchanger 14 to heating system heat supply, secondary tube bank 16 in plate type heat exchanger 14
One end connecting secondary outlet pipe 20, while be also connected with water circulating pump 31, the other end connection waste heat recovery of secondary pipeline 16
Water tank 23, in peak electricity period and ordinary telegram period, control valve 28 is closed, and secondary heating system only uses thermic load heat supply,
Secondary return pipe 20 flows back to the secondary tube bank 16 of plate type heat exchanger 14, because remaining after the preheating of afterheat recycling water tank 23
Recuperation of heat water tank 23 is arranged between heat storage and external heat preservation decorative board 24, is absorbed the part of waste heat of heat storage, is played section
Can effect.
Accumulation of heat circulation waterway can form afterheat heat exchanger 12 with cryogenic wind-tunnel 11, and the afterheat heat exchanger 12 is connected to low temperature wind
Among road 11, using air water heat exchange mode, shell side ventilation, fin tube side water flowing, accumulation of heat is realized in the operating of heat exchange blower fan 10
During body heat release, the low temperature hot blast of the 180 degree to 150 degree of cryogenic wind-tunnel 11 heats the interior conduit water of afterheat heat exchanger 12,
In the presence of water circulating pump 22, water constantly flows between afterheat heat exchanger 12 and phase-transition heat-storage body, and the recirculated water of heating is not
Break and carry out accumulation of heat to phase transition heat accumulation unit 13, regenerator temperature should be less than 80 degree, to realize energy-conservation.Afterheat heat exchanger 12 with it is remaining
Recuperation of heat water tank is respectively provided at the not homonymy of electric heat storage, to reduce mutual interference.
In paddy time section, heat exchange blower fan 10 shuts down, and electric heat storage stops heat release, only carries out accumulation of heat, and accumulation of heat effect improves.
Open 28 turns of magnetic valve starts low-temperature heat supply from phase transition heat accumulation unit 13 to heating system user simultaneously, to realize energy-conservation.
Electric power supply control system includes electric power system and electric control loop, and electric power system is described as power supply by one time 10 kilovolts/bis-
Secondary 900 volts of step-down transformer (step-down transformer that i.e. high side voltage is 10 kilovolts, low-pressure side voltage is 0.9 kilovolt)
Into heat storage, electric heater is powered, and belongs to low-voltage power supply, the breaker and contactor for connecting electric heater use operating voltage
For 1140 volts of element.Electric control loop is various by single-chip microcomputer and control relay circuit and temperature, pressure, electricity etc.
Electronic sensor forms, it is possible to achieve accumulation of heat heating locality and remote automatic control.Alternatively, control valve 28 can be
Electromagnetic valve, automatically controlled with realizing.
Other of 900 volts of electricity storage heat energy apparatus according to embodiments of the present invention form and operated the common skill for this area
It is knowable for art personnel, is not described in detail herein.
In the description of the invention, " multiple " are meant that at least two, such as two, three etc., unless otherwise clearly having
The restriction of body.Unless otherwise clearly defined and limited, the term such as term " installation ", " connected ", " connection ", " fixation "
It should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be joined directly together, can also be indirectly connected by intermediary, can
To be connection or the interaction relationship of two elements of two element internals, limited unless otherwise clear and definite.For this area
Those of ordinary skill for, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " example " or " specific example "
Deng description mean to combine specific features, structure, material or feature that the embodiment or example describe and be contained in the present invention's
In at least one embodiment or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical
Embodiment or example.Moreover, specific features, structure, material or the feature of description can be in any one or more implementations
Combined in an appropriate manner in example or example.In addition, in the case of not conflicting, those skilled in the art can incite somebody to action
Different embodiments or example and the feature of different embodiments or example described in this specification are combined and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (10)
1. a kind of 900 volts of electricity store heat energy apparatus, it is characterised in that including：
Electric heat storage, the electric heat storage have thermal, cryogenic wind-tunnel and high temperature air channel, accumulation of heat are provided with the thermal
Body, the heat storage are provided with the electric heater that voltage is 900 volts；
Heated heat release heat exchanger, and the heating heat release heat exchanger is located between the cryogenic wind-tunnel and the high temperature air channel, described
Thermal, the high temperature air channel, the heating heat release heat exchanger and the cryogenic wind-tunnel, which are sequentially connected, forms heat release circulation wind path；
Heat exchange blower fan, the heat exchange blower fan are located on the heat release circulation wind path, to drive wind in heat release circulation wind path
Flowing；
Phase transition heat accumulation unit, the phase transition heat accumulation unit include heat exchange water route, the phase-transition heat-storage body to heat exchange water route heating
And the accumulation of heat circulation waterway to phase-transition heat-storage body heating, a part for the accumulation of heat circulation waterway stretch into the low temperature wind
To be exchanged heat with wind in road, the heat exchange water route is provided with control valve, and the accumulation of heat circulation waterway is provided with water circulating pump；
Plate type heat exchanger, the plate type heat exchanger be provided with once tube bank and secondary tube bank, the both ends once restrained with it is described
Heating heat release heat exchanger is connected to form recuperated cycle water route, and the secondary tube bank is arranged in parallel in secondary returning with the heat exchange water route
Between water pipe and secondary outlet pipe；
Electric power supply control system, the electric power supply control system control the electric heater, the heat exchange blower fan, the control valve
And the water circulating pump work.
2. 900 volts of electricity according to claim 1 store heat energy apparatus, it is characterised in that the accumulation of heat of the phase-transition heat-storage body
Temperature is less than or equal to 80 degrees Celsius.
3. it is according to claim 1 900 volts electricity store heat energy apparatus, it is characterised in that it is described heating heat release heat exchanger be
Two-stage air-water heat exchanger and including：
Carbon steel shell-and-tube heat exchanger, heat exchange water cavity is defined in the carbon steel shell-and-tube heat exchanger, and the heat-exchanging water intracavitary limits
There is airduct, the heat exchanging air duct connected with the high temperature air channel is defined in the airduct；
Red copper finned tube exchanger, the connection heat exchanging air duct and the cryogenic wind-tunnel are defined in the red copper finned heat exchanger
Change hot air cavity, the heat exchange wind intracavitary is provided with water pipe, and the heat-exchanging water connected with the water cavity that exchanges heat is defined in the water pipe
Road, the both ends once restrained connect with the heat exchange water cavity and heat exchange water channel respectively.
4. 900 volts of electricity according to claim 1 store heat energy apparatus, it is characterised in that the heat storage is magnesium iron accumulation of heat
Brick.
5. 900 volts of electricity according to claim 4 store heat energy apparatus, it is characterised in that the magnesium iron gitter brick includes more
Block, magnesium iron gitter brick accumulation described in polylith are formed as accumulation of heat cube, and the accumulation of heat cube is interior provided with multiple mounting holes and multiple logical
Air holes, the electric heater include multiple electrical heating wires, and multiple electrical heating wires are plugged in the corresponding mounting hole.
6. 900 volts of electricity according to claim 1 store heat energy apparatus, it is characterised in that the accumulation of heat shell of the electric heat storage
The outer surface of body and at least one of inner surface are provided with heat-insulation layer.
7. 900 volts of electricity according to claim 1 store heat energy apparatus, it is characterised in that the electric heater includes multigroup
Resistance wire, every group of resistance wire are connected into star-like and access 900 volts of voltages of industrial frequency AC three-phase, and the access voltage per phase resistance silk is
520 volts.
8. 900 volts of electricity according to claim 1 store heat energy apparatus, it is characterised in that also include：Afterheat recycling water tank,
The afterheat recycling water tank contacts with the accumulation of heat housing of the electric heat storage, and the afterheat recycling water tank is located at the secondary backwater
Between pipe and the secondary tube bank and between the secondary return pipe and the heat exchange water route.
9. 900 volts of electricity according to claim 8 store heat energy apparatus, it is characterised in that also include：External heat preservation decorative board,
The external heat preservation decorative board coats the electric heat storage, and the afterheat recycling water tank is located at the external heat preservation decorative board and the electricity
Between heat storage.
10. 900 volts of electricity according to claim 1 store heat energy apparatus, it is characterised in that the heat exchange blower fan is frequency conversion
Blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504090.7A CN107560183A (en) | 2016-06-30 | 2016-06-30 | 900 volts of electricity store heat energy apparatus |
Applications Claiming Priority (1)
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| CN109539360A (en) * | 2019-01-02 | 2019-03-29 | 北京瑞特爱能源科技股份有限公司 | A kind of water heat-storage electric heater |
| CN110953911A (en) * | 2019-11-18 | 2020-04-03 | 安徽国电能源设备工程有限公司 | Multi-energy high-temperature phase-change heat storage layering device |
| CN111076264A (en) * | 2019-11-29 | 2020-04-28 | 国网辽宁省电力有限公司沈阳供电公司 | Container type phase-change high-voltage energy storage small-sized heat supply unit |
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