CN210951853U - Solid electric heating energy storage fresh air hot air system heat release device - Google Patents
Solid electric heating energy storage fresh air hot air system heat release device Download PDFInfo
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- CN210951853U CN210951853U CN201921469589.4U CN201921469589U CN210951853U CN 210951853 U CN210951853 U CN 210951853U CN 201921469589 U CN201921469589 U CN 201921469589U CN 210951853 U CN210951853 U CN 210951853U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model discloses a solid electric heat energy storage new trend hot air system heat release, including the heat accumulator, the heat source entry of pipe connection heat exchanger is passed through to the air outlet of heat accumulator, and the cold source entry of heat exchanger is as new trend entry, and the cold source export of heat exchanger is passed through the lateral conduit and is linked together with the heat accumulator entry wind channel and the heat accumulator export wind channel inside the heat accumulator respectively. The utility model provides a pair of solid electric heat energy storage new trend hot air system heat release has solved the heat accumulator life-span that proposes among the prior art and has shortened, and structural design is unreasonable, and it is inefficient to release heat, can not satisfy the production scheduling problem.
Description
Technical Field
The utility model belongs to the technical field of the electric power energy storage, concretely relates to solid electric heat energy storage new trend hot air system heat release.
Background
The electric energy storage technology is a worldwide problem at present. The electric energy storage technology is classified according to storage media, and can be classified into mechanical energy storage, electrical energy storage, electrochemical energy storage, chemical energy storage and thermal energy storage. Among them, the thermal energy storage technology is one of the most economical and widely popularized electric energy storage technologies.
The thermal energy storage technology refers to a thermal energy storage system in which thermal energy is stored in a medium of an insulated container, and the thermal energy can be converted back into electric energy when needed or the stored thermal energy can be directly utilized.
At present, the heat energy storage device in the market mainly stores solid electric heat energy. The air channel of the existing mainstream solid electric heating energy storage hot air device is arranged at the lower part of the heat accumulator, and fresh air directly enters the heat accumulator to be heated without preheating. Such an approach has the advantage of low cost, but has some disadvantages: 1. fresh air directly enters a heat accumulator at about 600 ℃ to replace heat, and the property of the heat accumulator is changed due to strong temperature difference, so that the service life of the heat accumulator is seriously influenced; 2. the air duct is arranged at the bottom, so that the support at the bottom of the heat accumulator is forced to heighten the center of gravity of the heat accumulator and move upwards, the bearing support at the bottom is wrapped in the air duct, and the bearing support still needs to bear high-temperature baking at 400 ℃ in the heat release process; 3. because the air duct internal structure is complicated, the wind resistance is greatly increased by the dense bearing support, the stored heat cannot be fully brought out, a large amount of heat energy cannot be utilized, and the requirement of medium-high temperature production cannot be met.
Disclosure of Invention
The utility model provides a solid electric heat energy storage new trend hot air system heat release, the heat accumulator life-span that proposes in the solution background art shortens, and structural design is unreasonable, and heat release efficiency is low, can not satisfy the production scheduling problem.
In order to achieve the purpose, the method provided by the invention is solved by the following technical scheme:
the utility model provides a solid electric heat energy storage new trend hot air system heat release, includes the heat accumulator, and the air outlet of heat accumulator passes through the heat source entry of pipe connection heat exchanger, and the cold source entry of heat exchanger is as new trend entry, and the cold source export of heat exchanger is through lateral conduit respectively with the heat accumulator entry wind channel and the heat accumulator export wind channel intercommunication of heat accumulator inside.
Furthermore, the solid electric heating energy storage fresh air and hot air system heat release device is characterized in that a draught fan is arranged at a heat source outlet of the heat exchanger.
Furthermore, the heat releasing device of the solid electric heating energy storage fresh air and hot air system is provided with an air mixing valve on a branch pipeline communicated with the heat accumulator outlet air channel.
Furthermore, the heat release device of the solid electric heating energy storage fresh air and hot air system is characterized in that a heat preservation layer is arranged on the surface of the heat accumulator.
Furthermore, the heat releasing device of the solid electric heating energy storage fresh air and hot air system is provided with a base at the bottom of the heat accumulator.
Furthermore, the solid electric heating energy storage fresh air and hot air system heat release device is characterized in that the heat exchanger is an air-air heat exchanger.
The air-air heat exchanger is an existing common heat exchanger, hot air is used as a heat source for heat exchange, and fresh air (cold air) is heated through heat exchange, so that heat exchange between the hot air and the cold air is realized.
Furthermore, the heat accumulator is a solid electric heat energy storage body.
The utility model discloses an it enters the mouth at the new trend and increases a miniwatt wind heat exchanger, can with the new trend wind temperature rise value about 100 ℃, then get into the heat accumulator and replace heat output to solve the influence heat accumulator life-span problem that exists among the background art. Simultaneously can set up the wind channel at the heat accumulator top, adjust draught fan frequency and mix the blast gate and open angle and change wind channel flow, temperature, fully bring out the heat that the heat accumulator contains to the wind channel structure that exists is unreasonable among the solution background art, and the low scheduling problem of exothermic efficiency satisfies the production demand.
The utility model has the advantages that:
1. fresh air is preheated to about 100 ℃ through the low-power air heat exchanger and then enters the heat accumulator for heat replacement, so that the influence of overhigh temperature difference on the service life of the heat accumulator is avoided.
2. The heat exchanger has lower required power, small volume and flexible installation position due to the adoption of the small wind-wind heat exchanger.
3. The air channel is independently installed at the top of the heat accumulator, the internal structure of the air channel is simple, dense supports do not exist, the wind resistance is greatly reduced, the heat release efficiency is increased, and the higher heat release temperature condition can be met.
4. The bottom bearing support has a more reasonable structure and more uniform stress, and does not have high-temperature baking and the risk of thermal deformation can not occur.
5. The wind channel does not contact with the ground, and the heat can not conduct the ground, does not have overheated risk.
6. The air duct is more convenient to overhaul and maintain.
Drawings
FIG. 1 is a schematic view of a heat release device of a solid electric heating energy storage fresh air and hot air system provided in embodiment 1;
FIG. 2 is a schematic diagram of an operation process of a heat releasing device of the solid electric heating energy storage fresh air and hot air system provided in embodiment 1;
in fig. 1 and 2, 1 is a heat accumulator, 11 is a heat accumulator inlet air duct, 12 is a heat accumulator outlet air duct, 2 is a heat exchanger, 21 is a heat source inlet, 22 is a heat source outlet, 23 is a cold source inlet, 24 is a cold source outlet, 3 is an induced draft fan, 4 is a mixing valve, 5 is a heat preservation layer, and 6 is a base.
The specific implementation mode is as follows:
example 1
As shown in fig. 1, a schematic diagram of a heat releasing device of a solid electric heating energy storage fresh air heating system provided by this embodiment includes a heat accumulator 1, a heat outlet duct 12 of the heat accumulator is connected to a heat inlet 21 of a heat exchanger 2 through a pipeline, a heat outlet 22 of the heat exchanger 2 is provided with an induced draft fan 3, a cold source inlet 23 of the heat exchanger 2 is used as a fresh air inlet, a cold source outlet 24 of the heat exchanger 2 is respectively communicated with a heat accumulator inlet duct 11 inside the heat accumulator 1 and a heat accumulator outlet duct 12 through branch ducts, and an air mixing valve 4 is provided on the branch duct communicated with the heat accumulator outlet duct 12.
As the further improvement, the surface of the heat accumulator 1 is provided with the heat preservation layer 5, the heat preservation effect can be achieved to the maximum extent, waste of heat energy is avoided, and the base 6 is arranged at the bottom of the heat accumulator 1, so that stable fixing of the device can be achieved.
The solid electric heat energy storage new trend hot air system heat abstractor that this embodiment provided, the new trend passes through cold source entry 23 and gets into, gets into the heat accumulator heating from heat accumulator entry wind channel 11 through the lateral conduit after the heat transfer, discharges through the draught fan at last, and then forms the complete operation process of new trend input, preheating, hot-blast output. And forming a wind mixing channel system through the adjustment of the wind mixing valve 4.
The operation process route of the solid electric heat energy storage new trend hot air system heat abstractor that this embodiment provided is as shown in fig. 2, when the heat accumulation, the draught fan is closed, the internal electric heating pipe circular telegram of heat accumulation becomes heat energy storage with electric energy conversion, when exothermic, through adjusting draught fan frequency and air mixing valve aperture, the new trend is followed heat exchanger cold source entry entering system, carry out preliminary heat transfer intensification in the heat exchanger, get into the heat accumulation body through the lateral conduit again, through the regulation of air mixing valve, the amount of wind and the temperature of control air-out, and then the temperature of control output both satisfies the production demand and can not cause too much loss again. The heat exchanger realizes heat exchange by taking hot air output by the heat accumulator outlet air duct as a heat source, and further utilizes the heat energy of the system to form an effective cyclic utilization heat exchange system.
Claims (5)
1. The utility model provides a solid electric heat energy storage new trend hot air system heat release, includes the heat accumulator, its characterized in that, heat accumulator export wind channel passes through the heat source entry of pipe connection heat exchanger, and the cold source entry of heat exchanger is as new trend entry, and the cold source export of heat exchanger is through lateral conduit respectively with the inside heat accumulator entry wind channel of heat accumulator and heat accumulator export wind channel intercommunication.
2. The heat release device of the solid electric heating energy storage fresh air and hot air system as claimed in claim 1, wherein an induced draft fan is arranged at a heat source outlet of the heat exchanger.
3. The solid electric heating energy storage fresh air and hot air system heat release device as claimed in claim 1, wherein a branch duct communicated with the heat accumulator outlet duct is provided with an air mixing valve.
4. The solid electrothermal energy storage fresh air and hot air system heat release device of claim 1, wherein the surface of the heat accumulator is provided with an insulating layer.
5. The solid electrothermal energy storage fresh air and hot air system heat release device as claimed in claim 1, wherein a base is arranged at the bottom of the heat accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469589.4U CN210951853U (en) | 2019-09-05 | 2019-09-05 | Solid electric heating energy storage fresh air hot air system heat release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469589.4U CN210951853U (en) | 2019-09-05 | 2019-09-05 | Solid electric heating energy storage fresh air hot air system heat release device |
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| CN210951853U true CN210951853U (en) | 2020-07-07 |
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| CN201921469589.4U Active CN210951853U (en) | 2019-09-05 | 2019-09-05 | Solid electric heating energy storage fresh air hot air system heat release device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902448A (en) * | 2021-02-02 | 2021-06-04 | 任堃 | Heat accumulating type air heating furnace and heating system thereof |
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2019
- 2019-09-05 CN CN201921469589.4U patent/CN210951853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112902448A (en) * | 2021-02-02 | 2021-06-04 | 任堃 | Heat accumulating type air heating furnace and heating system thereof |
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