CN102889698A - Solar energy storage system - Google Patents
Solar energy storage system Download PDFInfo
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- CN102889698A CN102889698A CN2012104338662A CN201210433866A CN102889698A CN 102889698 A CN102889698 A CN 102889698A CN 2012104338662 A CN2012104338662 A CN 2012104338662A CN 201210433866 A CN201210433866 A CN 201210433866A CN 102889698 A CN102889698 A CN 102889698A
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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 invention discloses a solar energy storage system, which comprises a sixth control valve, a control system, a heat exchange container, a high-temperature storage tank, a low-temperature storage tank and a solar heat collection device, wherein the solar heat collection device is communicated with heat utilization equipment and comprises a heat absorption medium inlet and a heat absorption medium outlet; a first heat absorption medium convection port, a second heat absorption medium convection port, a first heat storage medium convection port and a second heat storage medium convection port are formed on the heat exchange container; the first heat storage medium convection port of the heat exchange container is communicated with the high-temperature storage tank through a high-temperature heat storage medium circulating pump; the second heat storage medium convection port of the heat exchange container is communicated with the low-temperature storage tank through a low-temperature heat storage medium circulating pump; and a first control valve is connected between the first heat storage medium convection port of the heat exchange container and the high-temperature heat storage medium circulating pump. The solar energy storage system can achieve heat transfer by virtue of solar energy and heat storage media and can supply heat energy to the heat utilization equipment at daytime and night, and thus the heat utilization equipment can continuously work.
Description
Technical field
The present invention relates to a kind of solar energy storage system, belong to solar energy heat utilization field.
Background technology
For the needs of sustainable development, novel renewable energy is all sought in countries in the world constantly.In all regenerative resources, solar energy is subject to people's special concern with the characteristic of its inexhaustible, nexhaustible and zero pollution.At present, human utilization to solar energy has obtained progress at full speed.Effectively utilize solar energy, be the sustainable development of China, a good approach is provided.At present, the development of the absorption switch technology of solar energy is rapid, and still, because the difference of each department geographical environment, also relatively respectively there is length the sunshine-duration of the sun.Effectively utilize this limited sunshine-duration, absorb some solar energy more, and can store it, become human in the urgent need to.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, a kind of utilize solar energy and energy-accumulating medium heat exchange are provided, and realize that daytime and evening can both be to bringing heat energy with hot equipment, can using the solar energy storage system of hot equipment continuous operation.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of solar energy storage system, it comprises the 6th control valve, control system, heat exchange container, high temperature storage tank and low-temperature storage tank and with the solar energy heat collector that is connected with hot equipment, solar energy heat collector has heat-absorbing medium import and heat-absorbing medium outlet, has the first heat-absorbing medium on the heat exchange container to head piece, the second heat-absorbing medium is to head piece, the first heat-storage medium to head piece and the second heat-storage medium to head piece, the heat-absorbing medium import of solar energy heat collector is connected to head piece with the second heat-absorbing medium of heat exchange container by heat-absorbing medium circulating pump group, the heat-absorbing medium outlet of solar energy heat collector is connected to head piece with the first heat-absorbing medium of heat exchange container by discharge control valve, the first heat-storage medium of heat exchange container is connected with the high temperature storage tank by high-temperature heat-storage medium circulation pump to head piece, the second heat-storage medium of heat exchange container is connected with low-temperature storage tank by low temperature heat-storage medium circulating pump to head piece, the first heat-storage medium of heat exchange container is to being connected with the first control valve between head piece and the high-temperature heat-storage medium circulation pump, the second heat-storage medium of heat exchange container is to being connected with the second control valve between head piece and the low temperature heat-storage medium circulating pump, high temperature storage tank and the first heat-storage medium are to being connected with the 3rd control valve between the head piece, low-temperature storage tank and the second heat-storage medium are to being connected with the 4th control valve between the head piece, be connected with inlet control valve between the heat-absorbing medium import of described heat-absorbing medium circulating pump group and solar energy heat collector, be connected with the 5th control valve between described heat-absorbing medium circulating pump group and the heat exchange container, one end of the 6th control valve is connected to the second heat-absorbing medium to head piece, and the other end of the 6th control valve is connected between inlet control valve and the heat-absorbing medium circulating pump group.
Further, the first heat-absorbing medium of described discharge control valve and heat exchange container is to being connected with the 7th control valve between the head piece.
Adopted technique scheme, the present invention has following beneficial effect:
1, the present invention has realized conversion and the storage of solar energy, solar energy is implanted in the energy-accumulating medium, and store for hot equipment evening, solar energy heat collector of the present invention is by day with the solar energy energy transform into heat energy, for using hot equipment, simultaneously, the thermal energy storage that also a part is converted to through solar energy heat collector by heat exchange container is in ergastic substances, when not having sunshine at night, convection current by heat-absorbing medium and energy-accumulating medium with the heat energy in the energy-accumulating medium again convection current to heat-absorbing medium, for using hot equipment.
2, the present invention can be applicable to the solar light-heat power-generation industry or other uses hot industry, realizes solar light-heat power-generation power station and other continuous operation with hot industry.The present invention provides the source because daytime and evening all have heat energy, so that can continuous operation with hot equipment.
Description of drawings
Fig. 1 is the structure connection layout of solar energy storage system of the present invention;
Workpiece connection layout when Fig. 2 is solar energy storage system heat accumulation of the present invention;
Workpiece connection layout when Fig. 3 is solar energy storage system heat release of the present invention.
The specific embodiment
Content of the present invention is easier to be expressly understood in order to make, and the below is according to specific embodiment and by reference to the accompanying drawings, and the present invention is further detailed explanation,
Shown in Fig. 1 ~ 3, a kind of solar energy storage system, it comprises the 6th control valve 1, control system, heat exchange container 2, high temperature storage tank 8 and low-temperature storage tank 10 and with the solar energy heat collector 4 that is connected with hot equipment 3, solar energy heat collector 4 has heat-absorbing medium import 4-2 and heat-absorbing medium outlet 4-1, has the first heat-absorbing medium on the heat exchange container 2 to head piece 2-1, the second heat-absorbing medium is to head piece 2-2, the first heat-storage medium to head piece 2-3 and the second heat-storage medium to head piece 2-4, the heat-absorbing medium import 4-1 of solar energy heat collector 4 is connected to head piece 2-2 with the second heat-absorbing medium of heat exchange container 2 by heat-absorbing medium circulating pump group 5, the heat-absorbing medium outlet 4-1 of solar energy heat collector 4 is connected to head piece 2-1 with the first heat-absorbing medium of heat exchange container 2 by discharge control valve 6, the first heat-storage medium of heat exchange container 2 is connected with high temperature storage tank 8 by high-temperature heat-storage medium circulation pump 7 to head piece 2-3, the second heat-storage medium of heat exchange container 2 is connected with low-temperature storage tank 10 by low temperature heat-storage medium circulating pump 9 to head piece 2-4, the first heat-storage medium of heat exchange container 2 is to being connected with the first control valve 11 between head piece 2-3 and the high-temperature heat-storage medium circulation pump 7, the second heat-storage medium of heat exchange container 2 is to being connected with the second control valve 12 between head piece 2-4 and the low temperature heat-storage medium circulating pump 9, high temperature storage tank 8 and the first heat-storage medium are to being connected with the 3rd control valve 13 between the head piece 2-3, low-temperature storage tank 10 and the second heat-storage medium are to being connected with the 4th control valve 14 between the head piece 2-4, be connected with inlet control valve 15 between the heat-absorbing medium import 4-2 of heat-absorbing medium circulating pump group 5 and solar energy heat collector 4, be connected with the 5th control valve 16 between heat-absorbing medium circulating pump group 5 and the heat exchange container 2, one end of the 6th control valve 1 is connected to the second heat-absorbing medium to head piece 2-2, and the other end of the 6th control valve 1 is connected between inlet control valve 15 and the heat-absorbing medium circulating pump group 5.The first heat-absorbing medium of discharge control valve 6 and heat exchange container 2 is to being connected with the 7th control valve 17 between the head piece 2-1.The present invention has realized conversion and the storage of solar energy, solar energy is implanted in the energy-accumulating medium, and store for hot equipment evening, solar energy heat collector 4 of the present invention is by day with the solar energy energy transform into heat energy, for using hot equipment, simultaneously, the thermal energy storage that also a part is converted to through solar energy heat collector 4 by heat exchange container 2 is in ergastic substances, when not having sunshine at night, convection current by heat-absorbing medium and energy-accumulating medium with the heat energy in the energy-accumulating medium again convection current to heat-absorbing medium, for using hot equipment, in addition, the present invention can be applicable to the solar light-heat power-generation industry or other uses hot industry, realizes solar light-heat power-generation power station and other continuous operation with hot industry.The present invention provides the source because daytime and evening all have heat energy, so that can continuous operation with hot equipment.
Energy-accumulating medium used in the present invention adopts the slaine of the molten condition with energy storage characteristic.
Operation principle of the present invention is as follows:
The effect of heat exchange container 2 is: as shown in Figure 2, during heat accumulation, utilize solar energy heat collector 4, directly heat the heat-absorbing medium in the solar energy heat collector 4 of flowing through, this heat-absorbing medium is a kind of high-temperature heat carrier, except directly being provided the heat energy with hot equipment 3, also this heat-absorbing medium of a part is transported in the heat exchange container 2, heat the energy-accumulating medium in the heat exchange container 2 of flowing through, be raised to high temperature by low temperature after this energy-accumulating medium absorbs heat in heat exchange container 2;
The effect of the 3rd control valve 13 is: the energy-accumulating medium of the high temperature after the convection current is flow in the high temperature storage tank 8.
The effect of high temperature storage tank 8 is: store the energy-accumulating medium of high temperature, the energy-accumulating medium of high temperature is convenient to again be utilized in the 8 interior storages of high temperature storage tank, because the heat dissipation problem on surface also will carry out necessary insulation to high temperature storage tank 8 and process.
The effect of low-temperature storage tank 10 is: the energy-accumulating medium that stores low temperature, the energy-accumulating medium of low temperature is in low-temperature storage tank 10 interior storages, be convenient to again be transported to and carry out heat exchange in the heat exchange container 2, because the heat dissipation problem on surface also will carry out necessary insulation to low-temperature storage tank 10 and process.
The effect of low temperature heat-storage medium circulating pump 9 is: the energy-accumulating medium of low temperature is transported to the heat exchange container 2 in low-temperature storage tank 10 is warmed, be transported in the high temperature storage tank 8 again;
The effect of high-temperature heat-storage medium circulation pump 7 is: the energy-accumulating medium of high temperature is transported to the heat exchange container 2 in high temperature storage tank 8 is lowered the temperature, be transported in the low-temperature storage tank 10 again;
The effect of control system is: the control system among the present invention is the flow of controlling heat-absorbing medium circulating pump group 5 according to the temperature of heat-absorbing medium, to realize with hot apparatus and process requirement.Satisfy the needs that utilize to greatest extent solar energy, in order to more save primary energy, really realize energy-saving and emission-reduction.
The present invention carries out energy storage when namely sunshine is sufficient by day; At night or carry out heat release sunshine when not enough.
During heat release, as shown in Figure 3, the energy-accumulating medium that will be stored in the high temperature storage tank through high-temperature heat-storage medium circulation pump 7 extracts and is transported in the heat exchange container 2, is used for heating heat-absorbing medium, continues to providing heat energy with hot equipment 3.
Daytime, as shown in Figure 2, with discharge control valve 6, inlet control valve 15, the second control valve 12, the 3rd control valve 13, the 5th control valve 16, the 7th control valve 17, low temperature heat-storage medium circulating pump 9 and heat-absorbing medium circulating pump group 5 are opened, with the first control valve 11, the 4th control valve 14, the 6th control valve 1 and high-temperature heat-storage medium circulation pump 7 are closed, in the time zone of solar irradiation abundance, (be generally 9:00-15:00), solar energy heat collector 4 absorbs solar energy, direct irradiation of sunlight and be heat energy with transform light energy by photothermal conversion device, heat the heat-absorbing medium in the solar energy heat collector 4 of flowing through, heat-absorbing medium is transported in the heat exchange container through the some of heat-absorbing medium circulating pump group 5 with heat-absorbing medium, in heat exchange container 2, carry out heat exchange with energy-accumulating medium, energy-accumulating medium is heated to uniform temperature, store, another part is delivered directly to hot equipment 3, for with hot equipment 3 direct heatings, energy-accumulating medium is in low-temperature storage tank 10, by low temperature heat-storage medium circulating pump 9 energy-accumulating medium is transported in the heat exchange container 2, after absorbing the heat of heat-absorbing medium, flow in the high temperature storage tank 8, store, so that evening or Intensity of the sunlight recycling when low.
Evening, as shown in Figure 3, with the first control valve 11, the 4th control valve 14, the 6th control valve 1, the 7th control valve 17, high-temperature heat-storage medium circulation pump 7 and heat-absorbing medium circulating pump group 5 are opened, with discharge control valve 6, inlet control valve 15, the second control valve 12, the 3rd control valve 13, the 5th control valve 16 and low temperature heat-storage medium circulating pump 9 are closed, in the insufficient time zone of solar irradiation, (be generally 15:00-second day 9:00), be stored in the heat-storage medium in the high temperature storage tank 8, by high-temperature heat-storage medium circulation pump 7, heat-storage medium is transported in the heat exchange container 2, simultaneously, by heat-absorbing medium circulating pump group 5 heat-absorbing medium also is transported in the heat exchange container 2, heat again heat-absorbing medium, after the energy-accumulating medium release heat, flow in the low-temperature storage tank 10, after heat-absorbing medium is heated, be with hot equipment 3 heat supplies again.Realize the continuity with hot equipment 3 heat supplies, to satisfy serialization production and life requirement.
Stored energy capacitance of the present invention is by determining with the actual power demand of hot equipment and storage time.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. solar energy storage system, it is characterized in that: it comprises the 6th control valve (1), control system, heat exchange container (2), high temperature storage tank (8) and low-temperature storage tank (10) and with the solar energy heat collector (4) that is connected with hot equipment (3), solar energy heat collector (4) has heat-absorbing medium import (4-2) and heat-absorbing medium outlet (4-1), has the first heat-absorbing medium on the heat exchange container (2) to head piece (2-1), the second heat-absorbing medium is to head piece (2-2), the first heat-storage medium to head piece (2-3) and the second heat-storage medium to head piece (2-4), the heat-absorbing medium import (4-2) of solar energy heat collector (4) is connected to head piece (2-2) with the second heat-absorbing medium of heat exchange container (2) by heat-absorbing medium circulating pump group (5), the heat-absorbing medium outlet (4-2) of solar energy heat collector (4) is connected to head piece (2-1) with the first heat-absorbing medium of heat exchange container (2) by discharge control valve (6), the first heat-storage medium of heat exchange container (2) is connected with high temperature storage tank (8) by high-temperature heat-storage medium circulation pump (7) to head piece (2-3), the second heat-storage medium of heat exchange container (2) is connected with low-temperature storage tank (10) by low temperature heat-storage medium circulating pump (9) to head piece (2-4), the first heat-storage medium of heat exchange container (2) is to being connected with the first control valve (11) between head piece (2-3) and the high-temperature heat-storage medium circulation pump (7), the second heat-storage medium of heat exchange container (2) is to being connected with the second control valve (12) between head piece (2-4) and the low temperature heat-storage medium circulating pump (9), high temperature storage tank (8) and the first heat-storage medium are to being connected with the 3rd control valve (13) between the head piece (2-3), low-temperature storage tank (10) and the second heat-storage medium are to being connected with the 4th control valve (14) between the head piece (2-4), be connected with inlet control valve (15) between the heat-absorbing medium import (4-2) of described heat-absorbing medium circulating pump group (5) and solar energy heat collector (4), be connected with the 5th control valve (16) between described heat-absorbing medium circulating pump group (5) and the heat exchange container (2), one end of the 6th control valve (1) is connected to the second heat-absorbing medium to head piece (2-2), and the other end of the 6th control valve (1) is connected between inlet control valve (15) and the heat-absorbing medium circulating pump group (5).
2. solar energy storage system according to claim 1, it is characterized in that: the first heat-absorbing medium of described discharge control valve (6) and heat exchange container (2) is to being connected with the 7th control valve (17) between the head piece (2-1).
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| CN201210433866.2A CN102889698B (en) | 2012-11-05 | 2012-11-05 | Solar energy storage system |
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| CN201210433866.2A CN102889698B (en) | 2012-11-05 | 2012-11-05 | Solar energy storage system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471263A (en) * | 2013-09-05 | 2013-12-25 | 张其明 | Solar energy heat storage station |
| CN104266380A (en) * | 2014-05-22 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Clean energy hot water boiler adopting molten salt to transfer and store heat and method for preparing hot water |
| CN104456987A (en) * | 2014-12-18 | 2015-03-25 | 东北大学设计研究院（有限公司） | Solar heat storing-releasing system |
| CN104864613A (en) * | 2015-05-29 | 2015-08-26 | 赵小峰 | Heat storage device |
| CN105004073A (en) * | 2015-08-03 | 2015-10-28 | 中国华能集团清洁能源技术研究院有限公司 | Solar heat collection and storage system for power generation |
| CN105180475A (en) * | 2015-09-28 | 2015-12-23 | 东方电气集团东方锅炉股份有限公司 | Tower-type solar closed under-pressure heat absorption system and method |
| CN105318578A (en) * | 2015-02-07 | 2016-02-10 | 成都奥能普科技有限公司 | Solid particle block groove-type solar ejection driven heat-exchange and heat-transmission system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103471263A (en) * | 2013-09-05 | 2013-12-25 | 张其明 | Solar energy heat storage station |
| CN103471263B (en) * | 2013-09-05 | 2016-06-22 | 张其明 | Solar energy heat-storage station |
| CN104266380A (en) * | 2014-05-22 | 2015-01-07 | 深圳市爱能森设备技术有限公司 | Clean energy hot water boiler adopting molten salt to transfer and store heat and method for preparing hot water |
| CN104456987A (en) * | 2014-12-18 | 2015-03-25 | 东北大学设计研究院（有限公司） | Solar heat storing-releasing system |
| CN105318578A (en) * | 2015-02-07 | 2016-02-10 | 成都奥能普科技有限公司 | Solid particle block groove-type solar ejection driven heat-exchange and heat-transmission system |
| CN104864613A (en) * | 2015-05-29 | 2015-08-26 | 赵小峰 | Heat storage device |
| CN105004073A (en) * | 2015-08-03 | 2015-10-28 | 中国华能集团清洁能源技术研究院有限公司 | Solar heat collection and storage system for power generation |
| CN105180475A (en) * | 2015-09-28 | 2015-12-23 | 东方电气集团东方锅炉股份有限公司 | Tower-type solar closed under-pressure heat absorption system and method |
| CN105180475B (en) * | 2015-09-28 | 2017-04-26 | 东方电气集团东方锅炉股份有限公司 | Tower-type solar closed under-pressure heat absorption system and method |
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Address after: 213000 No. 18 venture Road, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou Energy Equipment Co.,Ltd. Address before: 213033 No. 18 Chuangye Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU ENERGY ENGINEERING Co.,Ltd. |
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