CN202955886U - Solar energy storage system - Google Patents

Solar energy storage system Download PDF

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Publication number
CN202955886U
CN202955886U CN 201220574528 CN201220574528U CN202955886U CN 202955886 U CN202955886 U CN 202955886U CN 201220574528 CN201220574528 CN 201220574528 CN 201220574528 U CN201220574528 U CN 201220574528U CN 202955886 U CN202955886 U CN 202955886U
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CN
China
Prior art keywords
heat
control valve
storage medium
medium
solar energy
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201220574528
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Chinese (zh)
Inventor
李光
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CHANGZHOU ENERGY ENGINEERING Co Ltd
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CHANGZHOU ENERGY ENGINEERING Co Ltd
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Priority to CN 201220574528 priority Critical patent/CN202955886U/en
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Publication of CN202955886U publication Critical patent/CN202955886U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers

Abstract

The utility model discloses a solar energy storage system. The solar energy storage system comprises a sixth control valve, a control system, a heat-exchanging container, a high-temperature storage tank, a low-temperature storage tank and a solar heat collecting device communicated with a heat consumption device. The solar heat collecting device is provided with a heat absorption medium inlet and a heat absorption medium outlet, the heat-exchanging container is provided with 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, the first heat storage medium convection port of the heat-exchanging container is communicated with high-temperature storage tank through a high-temperature heat storage medium circulating pump, the second heat storage medium convection port of the heat-exchanging 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-exchanging container and the high-temperature heat storage medium circulating pump. Heat exchanging between solar energy and energy storage media can be utilized, heat energy can be provided for the heat consumption device in the day and at night, and accordingly the heat consumption device can work continuously.

Description

Solar energy storage system
Technical field
The utility model relates to a kind of solar energy storage system, belongs to solar energy heat utilization field.
Background technology
For the needs of sustainable development, novel renewable energy is all found in countries in the world constantly.In all regenerative resources, the characteristic of solar energy and zero pollution inexhaustible, nexhaustible with it and be subject to people's special concern.At present, the utilization of the mankind to solar energy, obtained progress at full speed.Effectively utilizing solar energy, is the sustainable development of China, and a good approach is provided.At present, rapidly, still, due to the difference of each department geographical environment, also relatively respectively there is length the sunshine-duration of the sun to the development of the absorption switch technology of solar energy.Effectively utilize this limited sunshine-duration, absorb some solar energy more, and can store it, become the mankind in the urgent need to.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of and utilize solar energy and energy-accumulating medium heat exchange, and realize daytime and evening can be to hot equipment, bringing heat energy, can use the solar energy storage system of hot equipment continuous operation.
In order to solve the problems of the technologies described above, the technical solution of the utility model 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 be connected with hot equipment, solar energy heat collector has heat-absorbing medium import and heat-absorbing medium outlet, there is the first heat-absorbing medium on 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 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 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 head piece, low-temperature storage tank and the second heat-storage medium are to being connected with the 4th control valve between 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 heat exchange container, one end of the 6th control valve is connected to the second heat-absorbing medium to head piece, the other end of the 6th control valve is connected between inlet control valve and 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 head piece.
Adopt technique scheme, the utlity model has following beneficial effect:
1, the utility model has been realized conversion and the storage of solar energy, solar energy is implanted in energy-accumulating medium, and store for hot equipment evening, solar energy heat collector of the present utility model is by day by the solar energy energy transform into heat energy, for using hot equipment, simultaneously, the thermal energy storage also by heat exchange container, a part converted to through solar energy heat collector is in ergastic substances, when there is no sunshine at night, convection current by heat-absorbing medium and energy-accumulating medium by the heat energy in energy-accumulating medium again convection current to heat-absorbing medium, for using hot equipment.
2, the utility model 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 by hot industry.The utility model provides source owing to daytime and evening all having heat energy, and making can continuous operation with hot equipment.
The accompanying drawing explanation
The structure connection layout that Fig. 1 is solar energy storage system of the present utility model;
Workpiece connection layout when Fig. 2 is solar energy storage system heat accumulation of the present utility model;
Workpiece connection layout when Fig. 3 is solar energy storage system heat release of the present utility model.
The specific embodiment
For content of the present utility model more easily is expressly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail,
As 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 be connected with hot equipment 3, solar energy heat collector 4 has heat-absorbing medium import 4-2 and heat-absorbing medium outlet 4-1, there is the first heat-absorbing medium on 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 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 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 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 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 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, the other end of the 6th control valve 1 is connected between inlet control valve 15 and 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 head piece 2-1.The utility model has been realized conversion and the storage of solar energy, solar energy is implanted in energy-accumulating medium, and store for hot equipment evening, solar energy heat collector 4 of the present utility model is by day by the solar energy energy transform into heat energy, for using hot equipment, simultaneously, the thermal energy storage also by heat exchange container 2, a part converted to through solar energy heat collector 4 is in ergastic substances, when there is no sunshine at night, convection current by heat-absorbing medium and energy-accumulating medium by the heat energy in energy-accumulating medium again convection current to heat-absorbing medium, for using hot equipment, in addition, the utility model can be applicable to the solar light-heat power-generation industry or other uses hot industry, realize solar light-heat power-generation power station and other continuous operation by hot industry.The utility model provides source owing to daytime and evening all having heat energy, and making can continuous operation with hot equipment.
The energy-accumulating medium that the utility model is used adopts the slaine of the molten condition with energy storage characteristic.
Operation principle of the present utility model 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 heat energy with hot equipment 3, also this heat-absorbing medium of a part is transported in heat exchange container 2, heat the energy-accumulating medium in the heat exchange container 2 of flowing through, this energy-accumulating medium is raised to high temperature by low temperature after absorbing heat in heat exchange container 2;
The effect of the 3rd control valve 13 is: the energy-accumulating medium of the high temperature after convection current is flow in 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, in the interior storage of high temperature storage tank 8, is convenient to again be utilized, and due to surperficial heat dissipation problem, 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 the interior storage of low-temperature storage tank 10, be convenient to again be transported in heat exchange container 2 and carry out heat exchange, due to surperficial heat dissipation problem, 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 heat exchange container 2 and is warmed in low-temperature storage tank 10, then be transported in high temperature storage tank 8;
The effect of high-temperature heat-storage medium circulation pump 7 is: the energy-accumulating medium of high temperature is transported to heat exchange container 2 and is lowered the temperature in high temperature storage tank 8, then be transported in low-temperature storage tank 10;
The effect of control system is: the control system in the utility model is to control the flow of heat-absorbing medium circulating pump group 5 according to the temperature of heat-absorbing medium, to realize with hot apparatus and process requirement.Meet the needs that utilize to greatest extent solar energy, in order to more save primary energy, really realize energy-saving and emission-reduction.
The utility model when sunshine is sufficient by day, carries out energy storage; 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 heat exchange container 2, is used for heating heat-absorbing medium, continues to hot equipment 3, providing heat energy.
Daytime, as shown in Figure 2, by 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, by 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, (be generally 9:00-15:00) in the time zone of solar irradiation abundance, solar energy heat collector 4 absorbs solar energy, direct irradiation of sunlight be heat energy by 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 to the some of heat-absorbing medium in heat exchange container through heat-absorbing medium circulating pump group 5, in heat exchange container 2, carry out heat exchange with energy-accumulating medium, energy-accumulating medium is heated to uniform temperature, stored, 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 heat exchange container 2, after absorbing the heat of heat-absorbing medium, flow in high temperature storage tank 8, stored, so that recycling when evening or Intensity of the sunlight are low.
Evening, as shown in Figure 3, by 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, by 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, (be generally 15:00-second day 9:00) in the insufficient time zone of solar irradiation, be stored in the heat-storage medium in high temperature storage tank 8, by high-temperature heat-storage medium circulation pump 7, heat-storage medium is transported in heat exchange container 2, simultaneously, by heat-absorbing medium circulating pump group 5, heat-absorbing medium also is transported in heat exchange container 2, heat again heat-absorbing medium, after the energy-accumulating medium release heat, flow in 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 meet serialization production and life requirement.
Stored energy capacitance of the present utility model is by determining with the actual power demand of hot equipment and storage time.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (2)

1. a 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) be connected with hot equipment (3), solar energy heat collector (4) has heat-absorbing medium import (4-2) and heat-absorbing medium outlet (4-1), there is the first heat-absorbing medium on 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 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 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 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 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 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), the other end of the 6th control valve (1) is connected between inlet control valve (15) and 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 head piece (2-1).
CN 201220574528 2012-11-05 2012-11-05 Solar energy storage system Withdrawn - After Issue CN202955886U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220574528 CN202955886U (en) 2012-11-05 2012-11-05 Solar energy storage system

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Application Number Priority Date Filing Date Title
CN 201220574528 CN202955886U (en) 2012-11-05 2012-11-05 Solar energy storage system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889698A (en) * 2012-11-05 2013-01-23 常州能源设备总厂有限公司 Solar energy storage system
CN104654624A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Method for transferring heat via solid granule blocks
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102889698A (en) * 2012-11-05 2013-01-23 常州能源设备总厂有限公司 Solar energy storage system
CN102889698B (en) * 2012-11-05 2014-04-23 常州能源设备总厂有限公司 Solar energy storage system
CN104654624A (en) * 2013-11-17 2015-05-27 成都奥能普科技有限公司 Method for transferring heat via solid granule blocks
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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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20130529

Effective date of abandoning: 20140423

RGAV Abandon patent right to avoid regrant