CN203949396U - A kind of single tank energy storage equipment - Google Patents
A kind of single tank energy storage equipment Download PDFInfo
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- CN203949396U CN203949396U CN201420140252.XU CN201420140252U CN203949396U CN 203949396 U CN203949396 U CN 203949396U CN 201420140252 U CN201420140252 U CN 201420140252U CN 203949396 U CN203949396 U CN 203949396U
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- energy storage
- transfer medium
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- storage tank
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The utility model relates to a kind of single tank energy storage equipment.Described device comprises energy storage tank tank body, accumulation of heat working medium pump, solar thermal collector, heat transfer medium outlet, heat transfer medium inlet; Described heat transfer medium outlet, heat transfer medium inlet are located on described energy storage tank tank body, and described heat transfer medium inlet is connected with solar thermal collector, and described heat transfer medium outlet is connected with accumulation of heat working medium pump; Described accumulation of heat working medium pump is connected with solar thermal collector; In described energy storage tank tank body, be provided with dividing plate, described dividing plate is adiabatic cylindrical casing; At described dividing plate, be provided with coil heat exchanger outward; On described energy storage tank tank body, be also provided with release can medium inlet, releasing can media outlet, wherein said release can medium inlet described release can media outlet below; Described, release energy medium inlet and release and can between media outlet, also be connected with energy utilization device.The utility model is simple and compact for structure, easy to use; And low cost of manufacture; Operation temperature area wide ranges.
Description
Technical field
The utility model relates to solar energy thermal-power-generating heat storage technology field, particularly a kind of solar energy list tank energy storage equipment.
Background technology
Energy scarcity and environmental pollution have become the appearance of bottleneck, the especially haze of the economic development of restriction China, have advanced especially the process of China's Renewable Energy Development.Solar energy thermal-power-generating technology, as a kind of new renewable energy utilization mode, has obtained development fast in recent years.The fluctuation that the intermittence that solar energy produces round the clock and climatic effect produce, makes accumulation of heat become the key link of solar energy thermal-power-generating technology.Heat storage medium, as a kind of new accumulation of heat, heat storage medium, is widely applied at present in high temperature solar thermal electric generator, and successfully uses.Current solar energy thermal-power-generating device adopts two " cold ", hot salt cellars to carry out accumulation of energy, when solar energy irradiation is better, by solar thermal collector, unnecessary solar thermal energy is stored in hot salt cellar, while there is no solar energy, heat storage medium in hot salt cellar is extracted out and released energy media for heat exchange, " cold " salt of releasing after energy is stored in cold salt cellar.Two tank accumulation of energys have been proved feasible and successful Application in practical commercial power station, but two tank accumulation of energy cost is higher.For guaranteeing power plant safety operation, each energy storage tank is made into the volume that can hold whole power station heat storage medium total amount, and during the actual motion of power station, at one time, the actual heat storage medium reserves of each salt cellar never surpass half of fused salt tank volume, cause very large waste, cause the increase of power station investment cost and operating charges simultaneously.In order to reduce solar energy thermal-power-generating cost, be convenient to operation management simultaneously, people propose the concept of oblique temperature tank, in storage tank, arrange the cheap media such as quartz sand, allow high-temperature molten salt flow through the layering of energy storage canister formation temperature, realize accumulation of energy and release energy, the oblique temperature energy storage equipment of single tank is proved to be: compare with dual pot unit, its energy storage cost can reduce by 35%.But how controlling and effectively utilizing the thermally stratified layer forming because of density contrast is key and the difficult point that single tank accumulation of energy need to solve, and this problem is not also effectively solved at present.Seek cheapness and effectively energy-storage method be the focus that people study solar energy thermal-power-generating technology always.
Utility model content
The purpose of this utility model is to propose a kind of simple single tank accumulation of energy, releases energy device, to meet the specification requirement of solar energy thermal-power-generating, and significantly reduces accumulation of energy cost.
For achieving the above object, the utility model provides a kind of single tank energy storage equipment, comprises energy storage tank tank body, accumulation of heat working medium pump, solar thermal collector, heat transfer medium outlet, heat transfer medium inlet;
Described heat transfer medium outlet, heat transfer medium inlet are located on described energy storage tank tank body, and described heat transfer medium is connected with solar thermal collector by pipeline, and described heat transfer medium outlet is connected with accumulation of heat working medium pump by pipeline; Described accumulation of heat working medium pump is connected with solar thermal collector pipeline;
On in described energy storage tank tank body, be provided with dividing plate, described dividing plate is adiabatic cylindrical casing, is fixed on the central authorities of energy storage tank tank body; On described dividing plate top, cover has coil heat exchanger;
On described energy storage tank tank body, be also provided with release can medium inlet, releasing can media outlet, wherein said release can medium inlet described release can media outlet below; Described release can medium inlet in the tank of energy storage tank tank body with release and can be connected by coil heat exchanger, outside the tank of energy storage tank tank body, be connected with energy utilization device;
Further, also comprise the immersion spiral heat exchanger that is located at energy storage tank tank base.
Further, the first half in described energy storage tank tank body is also fixed with and makes heat transfer medium uniform-flow to the current divider of energy storage tank bottom.
Further, described energy utilization device is selected from any one in traditional thermoelectric conversion device, routine building thing heating installation.
A single tank energy storage equipment, comprises energy storage tank tank body, accumulation of heat working medium pump, solar thermal collector, heat transfer medium outlet, heat transfer medium inlet;
Described heat transfer medium outlet, heat transfer medium inlet are located on described energy storage tank tank body, and described heat transfer medium is connected with solar thermal collector by pipeline, and described heat transfer medium outlet is connected with accumulation of heat working medium pump by pipeline; Described accumulation of heat working medium pump is connected with solar thermal collector pipeline;
In described energy storage tank tank body, be provided with dividing plate, described dividing plate is movable heat-insulating shield;
On described energy storage tank tank body, be also provided with cryogenic heat transfer medium inlet, high-temperature heat-transfer medium outlet, between described cryogenic heat transfer medium inlet and high-temperature heat-transfer medium outlet, be also connected with coil heat exchanger; In the top of coil heat exchanger and bottom, be respectively equipped with that release can media outlet and release can medium inlet.
Described energy utilization device is selected from any one in traditional thermoelectric conversion device, routine building thing heating installation.
In the utility model heat transfer medium with release can medium can be identical, also can be different, being selected from is water, air, fuse salt or other heat conduction wet goods.
The using method of single tank energy storage equipment, comprises the accumulation of energy stage and releases the energy stage, is specially:
(1) the accumulation of energy stage: heat transfer medium is added to energy storage tank tank body from heat transfer medium inlet, high-temperature heat-transfer medium moves to bottom from energy storage tank top, promote cryogenic heat transfer medium in energy storage tank and move to bottom, until be full of high-temperature heat-transfer medium in whole energy storage tank, accumulation of energy finishes;
(2) release the energy stage: low temperature is released and can from releasing, can be entered in energy storage tank medium inlet by medium, and with high-temperature heat-transfer medium heat-shift, temperature raises, the high temperature after intensification is released and can from releasing energy media outlet, be discharged by medium.
The beneficial effects of the utility model are:
(1) single tank accumulation of energy is released can apparatus structure simple, compact, easy to use.
(2) single tank energy storage equipment manufacturing cost is lower.Compare with two tank accumulation of energys, only have a storage tank that its manufacturing cost is reduced.Energy device is released in single tank accumulation of energy simultaneously, and device running is simple, and maintenance cost reduces.
(3) operation temperature area haves a wide reach.According to actual accumulation of energy temperature requirements, select the heat transfer medium of suitable fusing point and the scope of application as energy-accumulation material, make the interior heat transfer medium of tank in single tank accumulation of energy, exoergic process in higher temperature range, reduce the size of energy storage tank, reached good accumulation of energy simultaneously, released energy effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1;
Fig. 2 is the flow direction of embodiment 1 medium;
Fig. 3 is dispensing arrangement schematic diagram in embodiment 1;
Fig. 4 is embodiment 1 median septum structural representation;
Fig. 5 is the structural representation of embodiment 2;
Fig. 6 is the structural representation of embodiment 3;
Fig. 7 is the energy storage tank tank body top structure schematic diagram of embodiment 3;
Fig. 8 is the energy storage tank tank base structural representation of embodiment 3.
Main element symbol description is as follows:
1-energy storage tank tank body; 2-dividing plate; 3-current divider; 4-heat transfer medium inlet; 5-heat transfer medium outlet; 6-releases energy medium inlet; 7-releases energy media outlet; 8-coil heat exchanger; 9-accumulation of heat working medium pump; 10-solar thermal collector; 11-immersion spiral heat exchanger; 12-energy utilization device; The outlet of 13-high-temperature heat-transfer medium; 14-cryogenic heat transfer medium inlet; 15-accumulation of heat working medium pump A
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, with the utility model, be described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment 1:
Single tank energy storage equipment as shown in Figure 1, comprises energy storage tank tank body 1, accumulation of heat working medium pump 9, solar thermal collector 10, heat transfer medium outlet 5, heat transfer medium inlet 4;
Described heat transfer medium outlet 5, heat transfer medium inlet 4 are located on described energy storage tank tank body 1, and described heat transfer medium inlet 4 is connected with solar thermal collector 10 by pipeline, and described heat transfer medium outlet 5 is connected with accumulation of heat working medium pump 9 by pipeline; Described accumulation of heat working medium pump 9 is connected with solar thermal collector 10 pipelines;
In described energy storage tank tank body 1, be provided with dividing plate 2, as shown in Figure 4, described dividing plate 2 is the middle cylindrical casing vacuumizing, be fixed on the central authorities of energy storage tank tank body, the bottom of described cylindrical casing not exclusively contacts with energy storage tank tank body 1, to form the passage of media flow in energy storage tank, this passage can be rectangle, square, circular, semicircle; On described dividing plate 2, cover has coil heat exchanger 8;
On described energy storage tank tank body 1, be also provided with release can medium inlet 6, releasing can media outlet 7, wherein said release can medium inlet 6 described release can media outlet 7 below; Described, release energy medium inlet 6 and release and can between media outlet 7, also be in series with energy utilization device 12;
The first half in described energy storage tank tank body 1 is also fixed with and makes heat transfer medium uniform-flow to the current divider 3 of energy storage tank bottom, the structure of current divider 3 as shown in Figure 3, its form is not limited to this, its objective is and makes from the high-temperature heat-transfer medium of heat transfer medium inlet 4 bottom from energy storage tank overhead stream to energy storage tank equably.
Preferably, described energy utilization device is selected from any one in traditional thermoelectric conversion device, routine building thing heating installation.
In the present embodiment, heat transfer medium is heat storage medium simultaneously, is all fuse salt, and releasing medium to be water vapour.
Daytime, high-temperature heat-transfer medium from solar thermal collector 10 passes through heat transfer medium inlet 4, enter energy storage tank tank body 1, under the effect of current divider 3, high-temperature heat-transfer medium flows downward from energy storage tank tank deck uniformly, promote in tank cryogenic heat transfer medium and flow out from heat transfer medium outlet 5 at the bottom of tank, under the effect of accumulation of heat working medium pump 9, cryogenic heat transfer medium is pumped in solar thermal collector 10 and is heated.When this process is continued until that whole energy storage tank tank body 1 is interior and is all high-temperature heat-transfer medium, finishing, is now high-temperature heat-transfer medium in whole energy storage tank, and accumulation of energy process completes.
In evening, while there is no solar irradiation, the energy that high-temperature heat-transfer medium in tank is stored discharges for outside generating.Exoergic process, low temperature is released and can medium from releasing the coil heat exchanger 8 can medium inlet 6 entering energy storage tank tank body 1, be carried out exchange heat with heat transfer medium around, and temperature raises, and the medium after intensification can flow out by media outlet 7 from releasing, and completes exoergic process.In exoergic process, due to releasing energy medium and being stored in the high-temperature heat-transfer medium heat-shift in energy storage tank tank body 1 in coil heat exchanger 8, coil heat exchanger 8 Heat Transfer Around medium temperatures reduce, circular passage along energy storage tank and dividing plate 2 formation moves downward, drive bottom high-temperature heat-transfer medium upwards to flow along the center of dividing plate 2, high-temperature heat-transfer medium is from inflow circular passage, top, at coil heat exchanger 8 heat transfer medium around, can keep for a long time high temperature like this, improve the energy efficiency of releasing of heat storage medium.In Fig. 2, arrow is the flow direction of the interior heat transfer medium of energy storage tank in exoergic process.
Embodiment 2:
When heat transfer medium is different from accumulation of energy medium, in accumulation of energy process, need to arrange immersion spiral heat exchanger 11 in energy storage tank bottom, as shown in Figure 5.During daytime solar radiation, high-temperature heat-transfer medium from solar thermal collector 10 enters in energy storage tank by heat transfer medium inlet 4, the heat of high-temperature heat-transfer medium is passed to the low-temperature heat accumulating medium in energy storage tank by immersion spiral heat exchanger 11, the cryogenic heat transfer medium of releasing after energy flows out energy storage tank tank body 1 by heat transfer medium outlet 5, by heat-transfer working medium pump 9, will release cryogenic heat transfer medium pump after energy to solar thermal collector 10, so circulation, is stored in the heat of solar energy in energy storage tank tank body 1.In energy storage tank because coil heat exchanger 8 heat storage medium is around heated, its density reduces, under the effect of buoyancy lift, make high-temperature heat accumulation medium upwards flow, the low-temperature heat accumulating medium of bottom periphery around supplements to immersion spiral heat exchanger 11, constantly be heated, like this, in accumulation of energy process, in tank, the flow direction of heat storage medium is as shown in dotted arrow in figure.Till whole accumulation of energy process lasts till that the interior heat storage medium temperature of tank and heat storage medium temperature approach.
At night, while there is no solar irradiation, utilize and be stored in the outside energy supply of heat in energy storage tank, exoergic process in the same manner as in Example 1.In this embodiment, heat transfer medium is high temperature air, and heat storage medium is fuse salt.
The outlet of embodiment 3:13-high-temperature heat-transfer medium; 14-cryogenic heat transfer medium inlet
This embodiment is similar to embodiment 1, and difference is as follows: dividing plate 2 is thermal baffle, and described thermal baffle can move up and down in energy storage tank, and when accumulation of energy starts, thermal baffle is positioned at the top of energy storage tank, and the bottom of energy storage tank is all cryogenic heat transfer medium; At described energy storage tank tank body 1 top, be also provided with heat transfer medium inlet 4 and high-temperature heat-transfer medium outlet 13, as shown in Figure 7, in accumulation of energy tank base, be provided with heat transfer medium outlet 5 and cryogenic heat transfer medium inlet 14, as shown in Figure 8; Between described cryogenic heat transfer medium inlet 14 and high-temperature heat-transfer medium outlet 13, be connected with coil heat exchanger 8; In the top of coil heat exchanger 8 and bottom, be respectively equipped with that release can media outlet 7 and release can medium inlet 6.
Under solar radiation on daytime, high-temperature heat-transfer medium from solar thermal collector 10, by heat transfer medium inlet 4, entered in energy storage tank, effect at gravity, promotion heat-insulating shield moves downward, low-temperature heat accumulating medium is discharged from heat transfer medium outlet 5, by accumulation of heat working medium pump 9, accumulation of heat working medium is pumped into solar thermal collector 10.Process like this, until be all high-temperature heat-transfer medium in whole energy storage tank, now heat-insulating shield is positioned at the bottom of energy storage tank, accumulation of energy finishes.
While there is no solar irradiation, utilize accumulation of heat working medium pump A15 that high-temperature heat-transfer medium is extracted out through pipeline and flowed into coil heat exchanger 8 from high-temperature heat-transfer medium outlet 13, release and can from releasing, can enter coil heat exchanger 8 in medium inlet 6 by medium, at the interior heat-shift of coil heat exchanger 8, cryogenic heat transfer medium after temperature reduces flows back to energy storage tank bottom again from cryogenic heat transfer medium inlet 14, promote heat-insulating shield moves upward simultaneously, so circulation, until the high-temperature heat-transfer medium in whole energy storage tank is all excluded, till heat-insulating shield arrives energy storage tank top, and the high temperature that after heat-shift, temperature raises is released and can be gone out by media outlet 7 from releasing by medium, be utilized.In this embodiment, high-temperature heat-transfer medium is identical with heat storage medium, is all fuse salt or conduction oil, and releasing medium can be air or water.
Only as described above, be only preferred embodiment of the present utility model, such as professional who are familiar with this art.After understanding technological means of the present utility model, natural energy, according to actual needs, is changed under instruction of the present utility model.Therefore all equal variation and modifications of doing according to the utility model claim, once should still belong in the scope that the utility model patent contains.
Claims (5)
1. a single tank energy storage equipment, is characterized in that, comprises energy storage tank tank body, accumulation of heat working medium pump, solar thermal collector, heat transfer medium outlet, heat transfer medium inlet;
Described heat transfer medium outlet, heat transfer medium inlet are located on described energy storage tank tank body, and described heat transfer medium inlet is connected with solar thermal collector by pipeline, and described heat transfer medium outlet is connected with accumulation of heat working medium pump by pipeline; Described accumulation of heat working medium pump is connected with solar thermal collector pipeline;
In described energy storage tank tank body, be provided with dividing plate, described dividing plate is adiabatic cylindrical casing, is fixed on the central authorities of energy storage tank tank body; On described dividing plate top, cover has coil heat exchanger;
On described energy storage tank tank body, be also provided with release can medium inlet, releasing can media outlet, wherein said release can medium inlet described release can media outlet below; Described releasing can be connected with coil heat exchanger medium inlet in the tank of energy storage tank tank body, outside the tank of energy storage tank tank body, is connected with energy utilization device.
2. single tank energy storage equipment as claimed in claim 1, is characterized in that, also comprises the immersion spiral heat exchanger that is located at energy storage tank tank base.
3. single tank energy storage equipment as claimed in claim 1, is characterized in that, the first half in described energy storage tank tank body is also fixed with and makes heat transfer medium uniform-flow to the current divider of energy storage tank bottom.
4. single tank energy storage equipment as claimed in claim 1, is characterized in that, described energy utilization device is selected from any one in traditional thermoelectric conversion device, routine building thing heating installation.
5. a single tank energy storage equipment, is characterized in that, comprises energy storage tank tank body, accumulation of heat working medium pump, solar thermal collector, heat transfer medium outlet, heat transfer medium inlet;
Described heat transfer medium outlet, heat transfer medium inlet are located on described energy storage tank tank body, and described heat transfer medium is connected with solar thermal collector by pipeline, and described heat transfer medium outlet is connected with accumulation of heat working medium pump by pipeline; Described accumulation of heat working medium pump is connected with solar thermal collector pipeline;
In described energy storage tank tank body, be provided with dividing plate, described dividing plate is movable heat-insulating shield;
On described energy storage tank tank body, be also provided with cryogenic heat transfer medium inlet, high-temperature heat-transfer medium outlet, between described cryogenic heat transfer medium inlet and high-temperature heat-transfer medium outlet, be also connected with coil heat exchanger; Between coil heat exchanger and high-temperature heat-transfer medium outlet, be also connected with accumulation of heat working medium pump A; In the top of coil heat exchanger and bottom, be respectively equipped with that release can media outlet and release can medium inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140252.XU CN203949396U (en) | 2014-03-26 | 2014-03-26 | A kind of single tank energy storage equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420140252.XU CN203949396U (en) | 2014-03-26 | 2014-03-26 | A kind of single tank energy storage equipment |
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| CN203949396U true CN203949396U (en) | 2014-11-19 |
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| CN201420140252.XU Withdrawn - After Issue CN203949396U (en) | 2014-03-26 | 2014-03-26 | A kind of single tank energy storage equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940119A (en) * | 2014-03-26 | 2014-07-23 | 北京工业大学 | Single-tank energy storage device and method for using single-tank energy storage device |
| CN104864597A (en) * | 2015-06-04 | 2015-08-26 | 中国环境科学研究院 | Three-phase heat exchanging self-insulation device |
| CN105115336A (en) * | 2015-09-07 | 2015-12-02 | 河北艺能锅炉有限责任公司 | Molten salt thermal storage heater |
| CN105129264A (en) * | 2015-07-26 | 2015-12-09 | 东北石油大学 | Multilayer cylindrical spiral pipe solar storage tank |
| CN108844245A (en) * | 2018-07-21 | 2018-11-20 | 合肥睿致新科技有限公司 | A kind of heat storage can using solar energy |
| CN109489281A (en) * | 2018-12-24 | 2019-03-19 | 佛山市无火发热新能源科技有限公司 | Pot heater |
-
2014
- 2014-03-26 CN CN201420140252.XU patent/CN203949396U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103940119A (en) * | 2014-03-26 | 2014-07-23 | 北京工业大学 | Single-tank energy storage device and method for using single-tank energy storage device |
| CN103940119B (en) * | 2014-03-26 | 2017-04-19 | 北京工业大学 | Single-tank energy storage device and method for using single-tank energy storage device |
| CN104864597A (en) * | 2015-06-04 | 2015-08-26 | 中国环境科学研究院 | Three-phase heat exchanging self-insulation device |
| CN105129264A (en) * | 2015-07-26 | 2015-12-09 | 东北石油大学 | Multilayer cylindrical spiral pipe solar storage tank |
| CN105115336A (en) * | 2015-09-07 | 2015-12-02 | 河北艺能锅炉有限责任公司 | Molten salt thermal storage heater |
| CN108844245A (en) * | 2018-07-21 | 2018-11-20 | 合肥睿致新科技有限公司 | A kind of heat storage can using solar energy |
| CN109489281A (en) * | 2018-12-24 | 2019-03-19 | 佛山市无火发热新能源科技有限公司 | Pot heater |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20170419 |
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| AV01 | Patent right actively abandoned |