CN1719153A - Solar heat energy variable input uniform output energy storage system - Google Patents
Solar heat energy variable input uniform output energy storage system Download PDFInfo
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- CN1719153A CN1719153A CN 200510012618 CN200510012618A CN1719153A CN 1719153 A CN1719153 A CN 1719153A CN 200510012618 CN200510012618 CN 200510012618 CN 200510012618 A CN200510012618 A CN 200510012618A CN 1719153 A CN1719153 A CN 1719153A
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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 present invention relates to an energy storage system capable of converting thermal energy into chemical energy and making it be variably inputted and equilibriously outputted. Said system includes solar energy collection device and energy consumption device, also includes energy storage conversion device and thermal energy conversion medium and control device.
Description
Technical field
The present invention relates to a kind of solar heat energy variable input uniform output energy storage system, it belongs to a kind of variable input uniform output energy storage device that heat energy is converted into chemical energy.
Background technology
Energy shortage has become the big problem that the whole world need need to be resolved hurrily, and solar energy has been subjected to everybody broad research and use as a kind of cleaning and green energy resource.But owing to be subjected to the influence of sun altitude, azimuth, cloud thickness and atmosphere pollution factor, being received in of solar radiant energy has typical peak valley to change in one day 24 hours, thereby the utilization of solar energy is restricted.At this problem, people work out certain methods and solve.As heat pump techniques is combined with solar energy, to gather airborne low temperature heat energy with heat pump and replenish the heat energy deficiency of solar energy when the low ebb, the balance that reaches heat energy is used.But owing to the reduction along with temperature of the heat energy of heat pump reduces, so that this method yet exists heat supply is unstable and use the defective that is subjected to the environment temperature restriction.
Summary of the invention
It is unstable and use the technological difficulties that are subjected to the environment temperature restriction and provide a kind of heat supply stable and use the solar heat energy variable input uniform output energy storage system that is not subjected to the environment temperature restriction to the objective of the invention is to solve heat supply that existing solar energy exists.
The present invention solves the problems of the technologies described above the technical scheme that adopts to be: solar heat energy variable input uniform output energy storage system, it comprises that solar energy is adopted can device and energy-dissipating device, wherein: it also comprises energy storage reforming unit, heat energy conversion medium and control device, the heat energy conversion medium is located in the energy storage reforming unit, solar energy is adopted and can be connected with the input of energy storage reforming unit by device, energy-dissipating device connects with the output of energy storage reforming unit, and control device is adopted energy device, energy-dissipating device and energy storage reforming unit with solar energy respectively and linked; This system adopts from solar energy and gathers variable heat energy can device, and when the input quantity of variable heat energy during greater than the required heat exchange amount of energy-dissipating device, a part of heat energy is directly supplied with energy-dissipating device, in the heat energy conversion medium of another part thermal energy storage in the energy storage reforming unit; When the input quantity of variable heat energy was reduced to less than the required heat exchange amount of energy-dissipating device, the heat energy that is stored in the heat energy conversion medium discharged, and realizes the additional supply to the required heat energy of energy-dissipating device.
Described control device is made of three temperature sensors, two flow sensors, pressure sensor, flow control element and data acquisition process control modules, first temperature sensor and first flow sensor are located to be adopted on the energy device, and its signal output part is connected with the input of data acquisition process control module; Second temperature sensor and pressure sensor are located on the energy storage reforming unit, and its signal output part is connected with the input of data acquisition process control module; The 3rd temperature sensor and second flow sensor are located on the energy-dissipating device, and its signal output part is connected with the input of data acquisition process control module; The control end of data acquisition process control module connects with flow control element and feed pump respectively.
Described energy storage reforming unit comprises insulation antiseptic housing, input interchanger, water conservancy diversion cold plate, ceramic tank body, heat energy conversion medium feeding system and output interchanger; The pottery tank body be located in the insulation antiseptic housing Lower Half and and the insulation antiseptic housing between formation collecting tank separated by a distance, the water conservancy diversion cold plate be located at the centre in the insulation antiseptic housing and be positioned at ceramic tank body above, top in the insulation antiseptic housing is the radiation exchange district, the space that water conservancy diversion cold plate and ceramic pot body form is heat energy conversion medium energy storage district, the input interchanger is located at the one side in the insulation antiseptic housing, its part is arranged in the radiation exchange district, another part is arranged in heat energy conversion medium energy storage district, the output interchanger is located at the another side in the insulation antiseptic housing and is arranged in the radiation exchange district, and the feed pipe in the heat energy conversion medium feeding system is located at the top in heat energy conversion medium energy storage district and is arranged in the top of the input interchanger that is located at this district.
Described heat energy conversion medium is a mineral-type light metal oxide chemistry medium, and its best heat energy conversion medium is any one in calcium oxide or the magnesia.
Described insulation antiseptic housing is by metal shell, insulation material and ceramic-linedly constitute, and metal shell is located at the outside of insulation antiseptic housing, ceramic-lined the inside that is located at the insulation antiseptic housing, insulation material be located at metal shell and ceramic-lined between.
Described heat energy conversion medium feeding system is made of liquid medium feed box, feed pump, distributor and feed pipe, the input of feed pump is connected with the liquid medium feed box, the feed delivery side of pump is connected with the inlet of distributor, and the outlet of distributor is connected with feed pipe.
It is energy-accumulating medium that the present invention adopts chemical substance, and has disposed feeding system and control system, can make the thermal energy storage of solar energy when the peak in energy-accumulating medium, and is replenished when the heat energy low ebb of solar energy, realizes that the peak clipping benefit is flat.Therefore compare with background technology, it is stable and use advantages such as not being subjected to the environment temperature restriction to have a heat supply.
Description of drawings
Fig. 1 is a structure flow chart of the present invention;
Fig. 2 is the block diagram of control device of the present invention;
Fig. 3 is the structural representation of energy storage reforming unit of the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, solar heat energy variable input uniform output energy storage system in the present embodiment, it comprises that solar energy is adopted can device 1 and energy-dissipating device 3, wherein: it also comprises energy storage reforming unit 2, heat energy conversion medium 4 and control device 27, heat energy conversion medium 4 is located in the energy storage reforming unit 2, solar energy is adopted and can be connected with the input of energy storage reforming unit 2 by device 1, energy-dissipating device 3 connects with the output of energy storage reforming unit 2, and control device 27 is adopted energy device 1, energy-dissipating device 3 and energy storage reforming unit 2 with solar energy respectively and linked; This system adopts and can gather variable heat energy the device 1 from solar energy, when the input quantity of variable heat energy during greater than energy-dissipating device 3 required heat exchange amounts, part heat energy is directly supplied with energy-dissipating device 3, in the heat energy conversion medium 4 of another part thermal energy storage in energy storage reforming unit 2; When the input quantity of variable heat energy was reduced to less than energy-dissipating device 3 required heat exchange amounts, the heat energy that is stored in the heat energy conversion medium 4 discharged, and realizes the additional supply to energy-dissipating device 3 required heat energy.Temperature sensor 21 and flow sensor 22 are located to be adopted on the energy device 1, and flow sensor 23 and temperature sensor 24 are located on the energy-dissipating device 3, and their signal output part is connected so that gather control signal with control device 27.26 is flow control element among the figure.
As shown in Figure 2, above-mentioned control device is made of three temperature sensors 21,17 and 24, two flow sensors 22 and 23, pressure sensor 20, flow control element 26 and data acquisition process control modules 25, first temperature sensor 21 and first flow sensor 22 are located to be adopted on the energy device 1, and its signal output part is connected with the input of data acquisition process control module 25; Second temperature sensor 17 and pressure sensor 20 are located on the energy storage reforming unit 2, and its signal output part is connected with the input of data acquisition process control module 25; The 3rd temperature sensor 24 and second flow sensor 23 are located on the energy-dissipating device 3, and its signal output part is connected with the input of data acquisition process control module 25; The control end of data acquisition process control module 25 connects with flow control element 26 and feed pump 15 respectively.
As shown in Figure 3, the above-mentioned energy storage reforming unit heat energy conversion medium feeding system and the output interchanger 16 that comprise the insulation antiseptic housing that constitutes by color outer steel shell 5, asbestos 10 and ceramic-lined 11, input interchanger 8, water conservancy diversion cold plate 7, ceramic tank body 12, constitute by liquid medium feed box 14, feed pump 15, distributor 18 and feed pipe 19.Color outer steel shell 5 is located at the outside of insulation antiseptic housing, and ceramic-lined 11 are located at the inside of insulation antiseptic housing, and asbestos 10 are located between color outer steel shell 5 and ceramic-lined 11.Pottery tank body 12 be located in the insulation antiseptic housing Lower Half and and the insulation antiseptic housing between be separated by 5～100mm apart from forming collecting tank 13, water conservancy diversion cold plate 7 be located at the centre in the insulation antiseptic housing and be positioned at ceramic tank body 12 above, top in the insulation antiseptic housing is radiation exchange district 6, water conservancy diversion cold plate 7 is heat energy conversion medium energy storage district 9 with the space that ceramic tank body 12 forms, input interchanger 8 is located at the one side in the insulation antiseptic housing, its part is arranged in radiation exchange district 6, another part is arranged in heat energy conversion medium energy storage district 9, and output interchanger 16 is located at the another side in the insulation antiseptic housing and is arranged in radiation exchange district 6; The input of feed pump 15 is connected with liquid medium feed box 14, the output of feed pump 15 is connected with the inlet of distributor 18, the outlet of distributor 18 is connected with feed pipe 19, feed pipe 19 is located at the top in heat energy conversion medium energy storage district 9 and is arranged in the top of the input interchanger 8 that is located at this district, and feed box 14 is connected with collecting tank 13.Temperature sensor 17 and pressure sensor 20 are located at the top of energy storage reforming unit insulation antiseptic housing.Metal oxide chemical mediator (calcium oxide) is located in the heat energy conversion medium energy storage district 9.Input interchanger 8 is adopted and can be connected by device with solar energy, and output interchanger 16 connects with energy-dissipating device.
Above-mentioned heat energy conversion medium is a mineral-type light metal oxide chemistry medium, and its best heat energy conversion medium is any one in calcium oxide or the magnesia.
Operation principle of the present invention is: when the input heat does not reach energy-dissipating device heat exchange amount demand, most input heat energy without chemical thermal energy storage process directly and energy-dissipating device carry out heat exchange, minority input heat energy is stored in the energy storage reforming unit through the chemical mediator absorption.When the input heat meets or exceeds the heat exchange amount of energy-dissipating device, unnecessary input heat energy is absorbed by chemical mediator and is stored in the energy storage reforming unit, when waiting to import the heat energy deficiency, the chemical mediator that is stored in the energy storage reforming unit discharges heat energy, replenish the heat energy in radiation exchange district, to supply with the energy-dissipating device heat, realize the flat purpose of peak clipping benefit.
Before the chemical mediator heat absorption of the present invention is spherical hydroxide, in endothermic process, constantly be decomposed into oxide and water, the steam of water enters in the liquid medium feed box flow into the collecting tank cooling after the condensation of water conservancy diversion cold plate after under the hot environment, and at this moment, oxide stores up into a large amount of heat energy.When input heat energy is not enough, temperature and pressure signal on the energy storage reforming unit fluctuates downwards, control device sends and instructs to feed pump, feed pump sprays into heat energy conversion medium energy storage district with the water in the liquid medium feed box through distributor and feed pipe, make water and oxide generation chemical reaction generation hydroxide and discharge the heat energy that a large amount of heat energy replenishes the radiation exchange district, to supply with the energy-dissipating device heat.
Claims (6)
1, a kind of solar heat energy variable input uniform output energy storage system, it comprises that solar energy is adopted can device and energy-dissipating device, it is characterized in that: further comprising energy storage reforming unit, heat energy conversion medium and control device, the heat energy conversion medium is located in the energy storage reforming unit, solar energy is adopted and can be connected with the input of energy storage reforming unit by device, energy-dissipating device connects with the output of energy storage reforming unit, and control device is adopted energy device, energy-dissipating device and energy storage reforming unit with solar energy respectively and linked; This system adopts from solar energy and gathers variable heat energy can device, and when the input quantity of variable heat energy during greater than the required heat exchange amount of energy-dissipating device, a part of heat energy is directly supplied with energy-dissipating device, in the heat energy conversion medium of another part thermal energy storage in the energy storage reforming unit; When the input quantity of variable heat energy was reduced to less than the required heat exchange amount of energy-dissipating device, the heat energy that is stored in the heat energy conversion medium discharged, and realizes the additional supply to the required heat energy of energy-dissipating device.
2, a kind of solar heat energy variable input uniform output energy storage system according to claim 1, it is characterized in that: described control device is made of three temperature sensors, two flow sensors, pressure sensor, flow control element and data acquisition process control modules, first temperature sensor and first flow sensor are located to be adopted on the energy device, and its signal output part is connected with the input of data acquisition process control module; Second temperature sensor and pressure sensor are located on the energy storage reforming unit, and its signal output part is connected with the input of data acquisition process control module; The 3rd temperature sensor and second flow sensor are located on the energy-dissipating device, and its signal output part is connected with the input of data acquisition process control module; The control end of data acquisition process control module connects with flow control element and feed pump respectively.
3, a kind of solar heat energy variable input uniform output energy storage system according to claim 1 is characterized in that: described energy storage reforming unit comprises insulation antiseptic housing, input interchanger, water conservancy diversion cold plate, ceramic tank body, heat energy conversion medium feeding system and output interchanger; The pottery tank body be located in the insulation antiseptic housing Lower Half and and the insulation antiseptic housing between formation collecting tank separated by a distance, the water conservancy diversion cold plate be located at the centre in the insulation antiseptic housing and be positioned at ceramic tank body above, top in the insulation antiseptic housing is the radiation exchange district, the space that water conservancy diversion cold plate and ceramic pot body form is heat energy conversion medium energy storage district, the input interchanger is located at the one side in the insulation antiseptic housing, its part is arranged in the radiation exchange district, another part is arranged in heat energy conversion medium energy storage district, the output interchanger is located at the another side in the insulation antiseptic housing and is arranged in the radiation exchange district, and the feed pipe in the heat energy conversion medium feeding system is located at the top in heat energy conversion medium energy storage district and is arranged in the top of the input interchanger that is located at this district.
4, according to claim 1 or 3 described a kind of solar heat energy variable input uniform output energy storage systems, it is characterized in that: described heat energy conversion medium is a mineral-type light metal oxide chemistry medium, and its best heat energy conversion medium is any one in calcium oxide or the magnesia.
5, a kind of solar heat energy variable input uniform output energy storage system according to claim 3, it is characterized in that: described insulation antiseptic housing is by metal shell, insulation material and ceramic-linedly constitute, metal shell is located at the outside of insulation antiseptic housing, ceramic-lined the inside that is located at the insulation antiseptic housing, insulation material be located at metal shell and ceramic-lined between.
6, a kind of solar heat energy variable input uniform output energy storage system according to claim 3, it is characterized in that: described heat energy conversion medium feeding system is made of liquid medium feed box, feed pump, distributor and feed pipe, the input of feed pump is connected with the liquid medium feed box, the feed delivery side of pump is connected with the inlet of distributor, and the outlet of distributor is connected with feed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510012618 CN100580334C (en) | 2005-06-18 | 2005-06-18 | Solar heat energy variable input uniform output energy storage system |
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| CN 200510012618 CN100580334C (en) | 2005-06-18 | 2005-06-18 | Solar heat energy variable input uniform output energy storage system |
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| CN1719153A true CN1719153A (en) | 2006-01-11 |
| CN100580334C CN100580334C (en) | 2010-01-13 |
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| CN 200510012618 Expired - Fee Related CN100580334C (en) | 2005-06-18 | 2005-06-18 | Solar heat energy variable input uniform output energy storage system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190049A (en) * | 2010-06-10 | 2013-07-03 | 基础持股公司 | Thermal storage device controller |
| CN104006540A (en) * | 2014-05-07 | 2014-08-27 | 华南理工大学 | Thermochemical energy storage testing device and testing method |
| CN106813402A (en) * | 2017-03-13 | 2017-06-09 | 南京工业大学 | Medium-low temperature calcium circulation thermochemical energy storage device and method thereof |
-
2005
- 2005-06-18 CN CN 200510012618 patent/CN100580334C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190049A (en) * | 2010-06-10 | 2013-07-03 | 基础持股公司 | Thermal storage device controller |
| CN104006540A (en) * | 2014-05-07 | 2014-08-27 | 华南理工大学 | Thermochemical energy storage testing device and testing method |
| CN104006540B (en) * | 2014-05-07 | 2016-04-13 | 华南理工大学 | Heat chemistry energy storage testing arrangement and method of testing |
| CN106813402A (en) * | 2017-03-13 | 2017-06-09 | 南京工业大学 | Medium-low temperature calcium circulation thermochemical energy storage device and method thereof |
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| Publication number | Publication date |
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| CN100580334C (en) | 2010-01-13 |
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