CN109724148A - A kind of regenerative apparatus using electric energy self-heating - Google Patents
A kind of regenerative apparatus using electric energy self-heating Download PDFInfo
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- CN109724148A CN109724148A CN201910064272.0A CN201910064272A CN109724148A CN 109724148 A CN109724148 A CN 109724148A CN 201910064272 A CN201910064272 A CN 201910064272A CN 109724148 A CN109724148 A CN 109724148A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 45
- 230000001172 regenerating effect Effects 0.000 title claims abstract description 23
- 238000005338 heat storage Methods 0.000 claims abstract description 79
- 239000004065 semiconductor Substances 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 description 13
- 230000005611 electricity Effects 0.000 description 9
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- 238000000034 method Methods 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 3
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- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
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- 230000005855 radiation Effects 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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- 238000002360 preparation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
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Abstract
The invention discloses a kind of regenerative apparatus using electric energy self-heating, including insulated case, the upper cavity and lower chamber being connected are equipped in insulated case；It is equipped with multiple groups heat storage body unit in upper cavity, the gap for insulation is equipped between every group of heat storage body unit；Every group of heat storage body unit is made of two sides electrode plate and the semiconductor heat storage being arranged between the electrode plate of two sides；Each electrode plate is connected with power supply respectively；Wherein the motor plate of side and insulated case inner wall form hot wind air intake passage, and the connection of hot wind air intake passage is located at the intracorporal high-temperature blower of cavity of resorption；The electrode plate and insulated case inner wall of the other side form hot wind air-out passage, and the connection of hot wind air-out passage is located at the intracorporal heat exchanger of cavity of resorption；Return air channel is equipped in lower chamber；High-temperature blower, hot wind air intake passage, hot wind air-out passage and return air channel form hot air circulation circuit.The regenerative apparatus maintenance work amount is few, and operating cost is low.
Description
Technical field
The present invention relates to heat storage technology field, specially a kind of regenerative apparatus using electric energy self-heating.
Background technique
Traditional solid heat storage formula electric heater unit is all by groups such as heating element, heat storage, heat insulation module, control assemblies
At.In the paddy electricity period, heating element generates heat after powering on, and thermal energy passes to heat storage by conduction and radiation mode.At peak
Electric period, heat storage outwardly heat release.Since in stage regenerator, temperature is up to 1200 DEG C or so to heating element, when exothermic phase
At 200 DEG C or so, heat transferring medium is air for cold operation, therefore, the heating element damage frequency of existing solid electric heat-storage device
It is very high, repair and maintenance heavy workload.In addition, heating element unit module weight weight, replacement is relatively stranded since equipment size is big
It is difficult.
With economic development, city environmental pollution problem is got worse, and coal-fired environmental pollution portion is maximum, is used
For the heating boiler of clean energy resource to be put on agenda, mandatory provisions are had been made in many big city environmental protection administrations in the north,
Upper coal-burning boiler is forbidden again in Urban Fringe, and existing boiler also wants time limit to be all changed to use clean energy resource boiler.
The expansion of city size and the change of power structure cause so that electric load difference is increasing round the clock for power grid
Power grid peak-valley difference some other day benefit increases, and difficulty is brought to the safe and highly efficient operation of generating set, using paddy electricity regenerative apparatus, Ke Yili
Heat storage is heated to certain temperature with low-valley interval electric power, while meeting low-valley interval use, heat storage residual temperature is full
Needed for sufficient ordinary telegram period and peak potential period, play the role of peak load shifting.
Traditional heat storage type has water accumulation of heat, solid heat storage, liquid heat storage, phase-transition heat-storage, existing solid heat storage device
There are heating element and heat storage, heating element generally uses thermal resistance wire, heating tube, electrical bar etc., and heat storage is using materials such as magnesia bricks
Material.
Existing patented technology " heat accumulating type heating ", number of patent application are as follows: 201020284573.9.Using heating element and
The mode of energy storage block cross-contact.The energy storage block being in contact with heating element absorbs the heat that heating element generates, and works as energy storage block
Temperature reach after set temperature or at the end of the paddy electricity time, control system control heating element stops working.
Existing patent formula " electric heat-storage device ", number of patent application are as follows: 201420230019.0, which uses heater
The mode being connected with heat storage.The connected heat storage of heater heating, after heat storage reaches set temperature or the paddy electricity period ties
Shu Shi, heater stop working.
, electric heat-storage device (number of patent application existing heat accumulating type heating (number of patent application are as follows: 201020284573.9)
Are as follows: 201420230019.0), in the paddy electricity period, it is to generate heat after heating element is powered, is heated by way of conducting and radiating
Accumulation of heat body unit realizes heat-accumulating process.
Conduct radiation heat exchange has the temperature difference, and is limited by paddy electricity heating time, and the temperature of heating element will be much higher than heat storage
The regenerator temperature of setting, general work temperature are up to 1200 DEG C or so, and exothermic phase cryogenic operating temperatures are at 200 DEG C or so.Add
Thermal element service life is generally at 2000-15000 hours, and frequent charge and discharge heat exacerbates the oxidation rate of heating element, stores
The every 1-2 of thermal needs replacing heating element, increases repair and maintenance workload, increases operating cost.
Summary of the invention
The purpose of the present invention is to provide a kind of regenerative apparatus using electric energy self-heating, to solve in above-mentioned background technique
The existing solid heat storage formula electric heater unit heat exchange link proposed is more, and structure is complicated, and component operating temperature is high, ordinary maintenance
The problems such as heavy workload.
To achieve the above object, the invention provides the following technical scheme:
A kind of regenerative apparatus using electric energy self-heating, including insulated case are equipped in the insulated case and to be connected
Upper cavity and lower chamber；It is equipped with multiple groups heat storage body unit in the upper cavity, is equipped between every group of heat storage body unit
Gap for insulation；Every group of heat storage body unit is by two sides electrode plate and partly leading between the electrode plate of two sides is arranged in
Body heat storage composition；Each electrode plate is connected with power supply respectively；Wherein in the motor plate Yu the insulated case of side
Wall forms hot wind air intake passage, and the hot wind air intake passage connection is located at the intracorporal high-temperature blower of the cavity of resorption；The electricity of the other side
Pole plate and the insulated case inner wall form hot wind air-out passage, and it is intracorporal that the hot wind air-out passage connection is located at the cavity of resorption
Heat exchanger；Return air channel is equipped in the lower chamber；The high-temperature blower, hot wind air intake passage, hot wind air-out passage and institute
It states return air channel and forms hot air circulation circuit.
Preferably, multiple heat storage hot-air channels are opened up on the semiconductor heat storage.
Preferably, each electrode plate is equipped with electrode plate hot-air channel.
Preferably, the electrode plate hot-air channel on the electrode plate and the heat storage hot wind on the semiconductor heat storage are logical
Road quantity is identical, and position is corresponding.
Preferably, in every group of heat storage body unit, the quantity of the electrode plate of two sides is identical, position is corresponding, position
Multiple independent semiconductor heat storages are provided between corresponding two sides electrode plate；The regenerative apparatus further includes control system
System, each electrode plate are connected with control system respectively.
Preferably, the electrode plate is made of monolith heat-resisting steel sheet and plate, described in the connecting terminal stretching of the electrode plate upper end
Insulated case is outer to be connected with the power supply.
Preferably, organic block is set between first cavity and the second cavity, and the base divides the insulated case
To for the upper cavity and the lower chamber.
Preferably, the top of the base is provided with heat insulation layer, each electrode plate and the equal position of semiconductor heat storage
In the top of the heat insulation layer, multiple insulating supports are arranged at intervals between the base and the heat insulation layer.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention completes heat storage with same material using semiconductor heat storage material；Heat storage one
Body, reduces primary heat exchange link, and accumulation of heat speed is fast.Heat storage integration, same regenerator temperature can reduce heating
Temperature；And by the way of self-heating accumulation of heat, the link of heating element heats accumulation of heat body unit can be reduced, improves heat exchange effect
Rate reduces the consumption of the energy, while not changing regenerator temperature, reduces heating temperature, extends time between overhaul, reduces dress
Set maintenance workload.
2, every group of heat storage body unit is made of electrode plate, connecting terminal, semiconductor heat storage, power supply；Each unit mould
Insulation is kept between block, guarantees electrical system safety.
3, by opening up heat storage hot-air channel on the semiconductor heat storage and on the electrode plate equipped with electrode plate
Hot-air channel is conducive to hot wind in this way and faster flows in regenerative apparatus.
4, the electrode plate hot-air channel on the electrode plate and the heat storage hot-air channel number on the semiconductor heat storage
Measure identical, position is corresponding, and the hot-fluid be conducive in hot air circulation circuit in this way is more smooth.
5, in every group of heat storage body unit, the quantity of the electrode plate of two sides is identical, position is corresponding, and position is corresponding
Two sides electrode plate between be provided with multiple independent semiconductor heat storages；Each electrode plate respectively with control system phase
Even, so that semiconductor heat storage modularization, and each unit module is connected with control system, it can independent or grouping control
System opens and closes, can according to can demand accumulation of heat, module control prevents moment according to " step by enter, step exits " principle
Overload guarantees electrical system safety.
6, shell is made using heat-insulating material in the utility model, reduces heat losses, can equally be reduced by the way that heat insulation layer is arranged
Heat losses.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure provided in an embodiment of the present invention using electric energy self-heating apparatus；
Fig. 2 is the schematic perspective view of single group heat storage body unit provided in an embodiment of the present invention；
In figure: 1- power supply；2- high-temperature blower；3- upper cavity；4- insulated case；5- semiconductor heat storage；6- accumulation of heat body heat
Wind channel；7- heat insulation layer；8- insulating support；9- base；10- heat exchanger；11- control system；12- electrode plate；13- terminals
Son；14- hot wind air intake passage；15- hot wind air-out passage；16- lower chamber；17- electrode plate hot-air channel；18- return air channel；
19- connecting line.
Specific embodiment
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 and Fig. 2, the regenerative apparatus provided by the invention using electric energy self-heating, including insulated case 4, institute
State the upper cavity 3 and lower chamber 16 for being equipped with and being connected in insulated case 4.It is arranged between the upper cavity 3 and the lower chamber 16
There is a base 9, the base 9 divides insulated case 4 for the upper cavity 3 and the lower chamber 16.
The top in base 9 is provided with heat insulation layer 7.It is arranged at intervals between the base 9 and the heat insulation layer 7
Multiple insulating supports 8.The insulated case 4 can regenerative apparatus internal flow to electric energy self-heating hot-fluid be thermally shielded it is anti-
Shield, to avoid heat during flowing, causes heat largely to scatter and disappear since thermal insulation is improper.
It is equipped with multiple groups heat storage body unit in the upper cavity 3, is equipped between every group of heat storage body unit for exhausted
The gap of edge.Every group of heat storage body unit is by two sides electrode plate 12 and the semiconductor being arranged between two sides electrode plate 12
Heat storage 5 forms.
As shown in Fig. 2, in every group of heat storage body unit, the quantity of the electrode plate 12 of two sides is identical, position phase
It is corresponding, multiple independent semiconductor heat storages 5 are provided between the corresponding two sides electrode plate 12 in position.Each electrode plate
12 are connected with control system 11 respectively, so that 5 modularization of semiconductor heat storage, and each unit module with the control
System 11 be connected, can individually or grouping control open and close, according to can demand accumulation of heat, module control according to " step by
Enter, step exits " principle, moment overload is prevented, guarantees electrical system safety.
The electrode plate 12 is made of monolith heat-resisting steel sheet and plate, and the connecting terminal 13 of 12 upper end of electrode plate stretches out described exhausted
It is connected by connecting line 14 with the power supply 1 outside hot shell 4.The setting of position between the connecting terminal 13 and insulated case 4,
So that insulated case 4 can will be isolated between connecting terminal 13 and electrode plate 12, so that thermal insulation protection is carried out to it, to keep away
Exempt to be contacted with hot fluid for a long time due to connecting terminal 13, the stability of its internal structure has been impacted.
Multiple heat storage hot-air channels 6 being arranged along its length, multiple accumulation of heats are opened up on the semiconductor heat storage 5
Body hot-air channel 6 is evenly distributed from top to bottom；On the one hand the setting can guarantee stream of the electric current on semiconductor heat storage 5,
On the other hand hot-air channel can be formed, meets the heat exchange demand of exothermic phase.
Electrode plate hot-air channel 17, the electrode plate hot-air channel 17 and the accumulation of heat body heat are equipped on each electrode plate 12
6 quantity of wind channel is identical, and position is corresponding, is conducive to hot wind in this way and faster flows in regenerative apparatus.
Wherein the motor plate 12 of side and 4 inner wall of insulated case form a hot wind air intake passage 14, the heat
The connection of wind air intake passage 14 is located at the high-temperature blower 2 in the lower chamber 16；The electrode plate 12 of the other side and the insulated case 4
Inner wall forms a hot wind air-out passage 15.The connection of hot wind air-out passage 15 is located at the heat exchanger 10 in the lower chamber 16.
The high-temperature blower 2, hot wind air intake passage 14, electrode plate hot-air channel 17, heat storage hot-air channel 6, hot wind air-out passage 15,
Heat exchanger 10 and return air channel 18 form hot air circulation circuit, and the hot-air in the hot air circulation circuit is real by heat exchanger 10
Now with extraneous energy exchange.
Working principle:
The accumulation of heat of paddy electricity period, control system 11 automatically controls electrode plate 12 and powers on 1 by connecting line 14, described partly to lead
Body heat storage 5 starts generate heat accumulation of energy, after the semiconductor heat storage 5 reaches set temperature at the end of the paddy electricity period, the control
System 11 processed automatically controls the electrode plate 12 and cuts off the power supply 1, and the semiconductor heat storage 5 stops heating accumulation of energy.
5 heat release of semiconductor heat storage described in peak potential period and ordinary telegram period, the control system 11 control the high temperature
Blower 2 works, so that the regenerative apparatus inner air of self-heating starts to flow along direction shown in shown by arrow.The lower sky of temperature
Gas enters the heat storage hot-air channel 6 by the high-temperature blower 2, is heated by the semiconductor heat storage 5, after heating
Hot-air passes through the heat exchanger 10, and heat exchange, weight occurs with the cryogenic media from terminal user in the heat exchanger 10
The air for newly becoming lower temperature is recycled again；The heat exchanger 10 is connected by pipeline with external equipment, and terminal is provided
Hot water needed for user, steam or thermal conductivity hot oil just complete the use process from thermal storage equipment in this way.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of regenerative apparatus using electric energy self-heating, it is characterised in that: including insulated case (4), the insulated case (4)
It is interior equipped with the upper cavity being connected (3) and lower chamber (16)；Multiple groups heat storage body unit is equipped in the upper cavity (3), often
The gap for insulation is equipped between group heat storage body unit；Every group of heat storage body unit by two sides electrode plate (12) with
And semiconductor heat storage (5) composition being arranged between two sides electrode plate (12)；Each electrode plate (12) respectively with power supply (1)
It is connected；Wherein the motor plate (12) Yu the insulated case (4) inner wall of side form hot wind air intake passage (14), the heat
Wind air intake passage (14) connection is located at the high-temperature blower (2) in the lower chamber (16)；The electrode plate (12) of the other side with it is described
Insulated case (4) inner wall forms hot wind air-out passage (15), and hot wind air-out passage (15) connection is located at the lower chamber
(16) heat exchanger (10) in；Return air channel (18) are equipped in the lower chamber (16)；The high-temperature blower (2), hot wind air inlet
Channel (14), hot wind air-out passage (15) and the return air channel (18) form hot air circulation circuit.
2. a kind of regenerative apparatus using electric energy self-heating according to claim 1, it is characterised in that: the semiconductor stores
Multiple heat storage hot-air channels (6) are opened up on hot body (5).
3. a kind of regenerative apparatus using electric energy self-heating according to claim 2, it is characterised in that: each electrode plate
(12) electrode plate hot-air channel (17) are equipped on.
4. the regenerative apparatus according to claim 3 using electric energy self-heating, it is characterised in that: on the electrode plate (12)
Electrode plate hot-air channel (17) it is identical as heat storage hot-air channel (6) quantity on the semiconductor heat storage (5), position phase
It is corresponding.
5. the regenerative apparatus according to claim 1 using electric energy self-heating, it is characterised in that: in every group of heat storage body
In unit, the quantity of the electrode plate (12) of two sides is identical, position is corresponding, is all provided between the corresponding two sides electrode plate (12) in position
It is equipped with multiple independent semiconductor heat storages (5)；The regenerative apparatus further includes control system (11), each electrode plate
(12) it is connected respectively with control system (11).
6. the regenerative apparatus according to claim 1 using electric energy self-heating, it is characterised in that: the electrode plate (12) by
Monolith heat-resisting steel sheet and plate is constituted, the connecting terminal (13) of electrode plate (12) upper end stretch out the insulated case (4) outside with it is described
Power supply (1) is connected.
7. the regenerative apparatus according to claim 1 using electric energy self-heating, it is characterised in that: first cavity (3)
And second be arranged organic block (9) between cavity (16), the insulated case (4) is divided into the upper cavity (3) by the base (9)
With the lower chamber (16).
8. the regenerative apparatus according to claim 6 using electric energy self-heating, it is characterised in that: the base (9) it is upper
Portion is provided with heat insulation layer (7), and each electrode plate (12) and the semiconductor heat storage (5) are respectively positioned on the heat insulation layer (7)
Top is arranged at intervals with multiple insulating supports (8) between the base (9) and the heat insulation layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064272.0A CN109724148A (en) | 2019-01-23 | 2019-01-23 | A kind of regenerative apparatus using electric energy self-heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910064272.0A CN109724148A (en) | 2019-01-23 | 2019-01-23 | A kind of regenerative apparatus using electric energy self-heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109724148A true CN109724148A (en) | 2019-05-07 |
Family
ID=66299334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910064272.0A Pending CN109724148A (en) | 2019-01-23 | 2019-01-23 | A kind of regenerative apparatus using electric energy self-heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109724148A (en) |
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2019
- 2019-01-23 CN CN201910064272.0A patent/CN109724148A/en active Pending
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Application publication date: 20190507 |