CN102392793B - Energy storing and releasing wind-driven generation system with air as medium - Google Patents
Energy storing and releasing wind-driven generation system with air as medium Download PDFInfo
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- CN102392793B CN102392793B CN2011102154458A CN201110215445A CN102392793B CN 102392793 B CN102392793 B CN 102392793B CN 2011102154458 A CN2011102154458 A CN 2011102154458A CN 201110215445 A CN201110215445 A CN 201110215445A CN 102392793 B CN102392793 B CN 102392793B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000005381 potential energy Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 41
- 238000009413 insulation Methods 0.000 claims description 38
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000630 rising effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 abstract description 3
- 238000009834 vaporization Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The invention discloses an energy storing and releasing wind-driven generation system with air as medium. The system comprises a power transmission system, a potential energy storing system, a heat exchanging system and a control system, wherein residual wind energy can be stored after the use of a generator; the energy not enough for the generator is complemented by the stored energy so as to achieve the stable output of the energy; the energy can be stored in two ways: heat energy storing, and potential energy storing. In the potential energy storing way, the water is utilized as the storing medium to exchange heat with an air compressor and the stored potential energy so as to achieve the storing and releasing of the heat energy; in the potential energy storing way, the air is utilized as the storing medium to store and release the energy produced by air liquefaction and vaporization at critical state by compressing, cooling, heating, and physics the like. The system disclosed by the invention has the benefit effects that: the residual wind energy can be stored after the use of the generator; and the energy not enough for the generator is complemented by the stored energy so as to achieve the stable output of the energy.
Description
Technical field
The present invention relates to technical field of wind power generation, provide a kind of and taken full advantage of wind energy as input energy sources in the wind-powered electricity generation field, through native system, be converted into steady power and directly drive the steadily wind-power generating system of generating of generator.
Background technique
Due to wind-force, be subject to the restriction of natural condition, it is very unstable as energy input, and in the world more steady as motive force input power generating equipment General Requirements at present.At present, existing wind-powered electricity generation is in wind energy, to extract portion of energy as motive force in the world, can not utilize to greatest extent wind energy.
In addition, utilize the energy storage device of air generating just air compressing to be stored, the gas holder volume is excessive, and heat-energy losses is large, has reduced energy conversion efficiency.
Summary of the invention
The purpose of this invention is to provide and a kind ofly take air and be the stored energy of medium, the wind-power generating system of release, it need to reach energy by the energy storage compensation lower than generator and steadily export by wind energy is surpassed to the energy storage that generator needs; Adopt energy storage in two ways, a kind of is thermal energy storage; A kind of is that potential energy stores.The heat energy energy storage is to utilize water as storage medium, carries out heat exchange with air compressor, potential energy storage, reaches storage and the release of heat energy.It is to utilize air as storage medium that potential energy stores, and under threshold state, air liquefaction, vaporization is carried out to energy storage and release by physical phenomenons such as compression, cooling, heating.
For achieving the above object, the utility model is taked following technological scheme:
A kind ofly take air and be the stored energy of medium, the wind-power generating system of release, it comprises: dynamic transfer system, potential energy stocking system, heat-exchange system, control system;
Described dynamic transfer system comprises: the air vane power take-off, air compressor, heat exchanger, the high temperature gas holder, steamer, generator, this air vane power take-off connects air compressor by pto＝power take-off, kinetic energy is passed to air compressor, the air that the air compressor compression purified through air cleaner enters heat exchanger by tracheae, by tracheae, export and enter one-way valve again, the one-way valve gas outlet tube connects the high temperature gas holder, the interior gas through overcompression of high temperature gas holder, by the gas after the pressure maintaining valve voltage stabilizing, enter in steamer and do work, steamer flows to generator by steady power,
Described potential energy stocking system comprises: the high temperature gas holder, thermal-insulating body, low-temperature liquid storage tank, this low-temperature liquid storage tank is arranged in thermal-insulating body, advancing of this low-temperature liquid storage tank, steam outlet pipe forms and is connected in series by one-way valve and high temperature gas holder, on low-temperature liquid storage tank, be connected with exhaust pressure-limited valve, on thermal-insulating body, be provided with the exhaust port communicated with atmosphere, in the high temperature gas holder He in low-temperature liquid storage tank, be respectively arranged with heat exchanger, the turnover water pipe of two heat exchangers is connected to form and is connected in series, the outlet pipe of heat insulation trough passes through stop valve, one-way valve is connected with the connecting water pipe of two heat exchanger one ends, the intake pipe of heat insulation trough is connected with the connecting water pipe of two heat exchanger the other ends by one-way valve, forming the turnover water pipe of heat insulation trough and the turnover water pipe formation of two heat exchangers is connected in parallel,
Described heat-exchange system comprises: heat insulation trough, heat exchanger, in heat exchanger, be provided with heat exchanger, the inlet tube and outlet tube at these heat exchanger two ends is connected with heat insulation trough, air compressor respectively, connecting water pipe between heat insulation trough and air compressor, formation heat insulation trough, air compressor are connected with the heat exchanger formation series circulation heat exchange in heat exchanger; The heat that air compressor pressurized air produces, by the heat exchanger in heat exchanger, make the water temperature rising storage heat energy in heat insulation trough, pass through opening stop valve, by the heat exchanger in the input of the water in heat insulation trough low-temperature liquid storage tank and the heat exchanger in the high temperature gas holder, cooling discharges heat energy, has formed heat exchange;
Described control system comprises: the one-way valve be connected on tracheae between heat exchanger and high temperature gas holder, the pressure maintaining valve be connected on tracheae between high temperature gas holder and steamer, the one-way valve be connected on circulating pipe between high temperature gas holder and low-temperature liquid storage tank, the one-way valve be connected on water pipe between the two heat exchangers parallel connection the other ends in the stop valve, the one-way valve that are connected on water pipe between the ends in parallel of two heat exchangers in heat insulation trough water outlet and low-temperature liquid storage tank, high temperature gas holder, heat insulation trough water inlet and low-temperature liquid storage tank, high temperature gas holder.
Between the one-way valve waterexit end of the two heat exchangers end intake pipe in parallel in high temperature gas holder and low-temperature liquid storage tank, high temperature gas holder, be connected with drain valve by tracheae.
On described air compressor, be connected with air cleaner.
The invention has the beneficial effects as follows: by wind energy is surpassed to the energy storage that generator needs, lower than generator, need to reach energy by the energy storage compensation and steadily export.
The accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Drawing reference numeral:
1-air vane power take-off; 2-air cleaner; 3-air compressor;
4-heat insulation trough; 5-heat exchanger; 6-heat exchanger; 7-one-way valve;
8-high temperature gas holder; 9-pressure maintaining valve; 10-steamer; 11-generator;
12-one-way valve; 13-exhaust port; 14-heat-insulated cavity; 15-pressure-limit valve;
16-heat exchanger; 17-heat exchanger; 18-low-temperature liquid storage tank; 19-one-way valve;
20-drain valve; 21-one-way valve; 22-one-way valve; 23-one-way valve; 24-stop valve.
Embodiment
Shown in Figure 1: a kind ofly take air and be the stored energy of medium, the wind-power generating system of release, it comprises: dynamic transfer system, potential energy stocking system, heat-exchange system, control system;
Described dynamic transfer system comprises: air vane power take-off 1, air compressor 3, heat exchanger 6, high temperature gas holder 8, steamer 10, generator 11, this air vane power take-off 1 connects air compressor 3 by pto＝power take-off, kinetic energy is passed to air compressor 3, the air that air compressor 3 compressions purified through air cleaner 2 enters heat exchanger 6 by tracheae, by tracheae, export and enter one-way valve 7 again, one-way valve 7 gas outlet tubes connect high temperature gas holder 8, the interior gas through overcompression of high temperature gas holder 8, by the gas after pressure maintaining valve 9 voltage stabilizings, enter the interior acting of steamer 10, steamer 10 flows to generator 11 by steady power,
Described potential energy stocking system comprises: high temperature gas holder 8, thermal-insulating body 14, low-temperature liquid storage tank 18, this low-temperature liquid storage tank 18 is arranged in thermal-insulating body 14, advancing of this low-temperature liquid storage tank 18, steam outlet pipe is by one- way valve 19, 12 form and are connected in series with high temperature gas holder 8, on low-temperature liquid storage tank 18, be connected with exhaust pressure-limited valve 15, on thermal-insulating body 14, be provided with the exhaust port 13 communicated with atmosphere, in high temperature gas holder 8 He in low-temperature liquid storage tank 18, be respectively arranged with heat exchanger 17, 16, two heat exchangers 17, 16 turnover water pipe is connected to form and is connected in series, the outlet pipe of heat insulation trough 4 is by stop valve 24, one-way valve 21 is connected with the connecting water pipe of two heat exchanger one ends, the intake pipe of heat insulation trough 4 is connected with the connecting water pipe of two heat exchanger the other ends by one-way valve 23, forming the turnover water pipe of heat insulation trough 4 and the turnover water pipe formation of two heat exchangers is connected in parallel,
Described heat-exchange system comprises: heat insulation trough 4, heat exchanger 6, in heat exchanger 6, be provided with heat exchanger 5, the inlet tube and outlet tube at these heat exchanger 5 two ends is connected with heat insulation trough 4, air compressor 3 respectively, connecting water pipe between heat insulation trough 4 and air compressor 3, formation heat insulation trough 4, air compressor 3 are connected with the heat exchanger 5 formation series circulation heat exchange in heat exchanger 6; The heat that air compressor 3 pressurized air produce, by the heat exchanger 5 in heat exchanger 6, make the water temperature rising storage heat energy in heat insulation trough 4, by opening stop valve 24, by the heat exchanger 16 in the input of the water in heat insulation trough 4 low-temperature liquid storage tank 18 and the heat exchanger 17 in the high temperature gas holder, cooling discharges heat energy, has formed heat exchange;
Described control system comprises: the one-way valve 7 be connected on tracheae between heat exchanger and high temperature gas holder, the pressure maintaining valve 9 be connected on tracheae between high temperature gas holder and steamer, the one- way valve 19,12 be connected on circulating pipe between high temperature gas holder and low-temperature liquid storage tank, the one-way valve 23 be connected on water pipe between the two heat exchangers parallel connection the other ends in the stop valve 24, the one-way valve 21 that are connected on water pipe between the ends in parallel of two heat exchangers in heat insulation trough water outlet and low-temperature liquid storage tank, high temperature gas holder, heat insulation trough water inlet and low-temperature liquid storage tank, high temperature gas holder.
Between one-way valve 21 waterexit ends of high temperature gas holder 8 and two a heat exchangers end intake pipe in parallel of low-temperature liquid storage tank 18 and high temperature gas holder 8, be connected with drain valve 20 by tracheae.
On described air compressor, be connected with air cleaner.
During use, air cleaner 2 will be removed the air supply air compressor 3 of water vapour and carbon dioxide and solid particulate matter, air compressor 3 arrives air compressing more than the critical pressure of air, compressed gas enters the high temperature gas holder by heat exchanger 6, one-way valve 7, by one-way valve 19, enter low-temperature liquid storage tank, the pressure of setting higher than pressure-limit valve 15 when the pressure in low-temperature liquid storage tank 18 while being greater than 10 energy requirements of steamer (be the input energy of air compressor 3), air is discharged in thermal-insulating body 14 by pressure-limit valve 15, because connecting exhaust port 13, thermal-insulating body 14 is communicated with nature, therefore the pressure in thermal-insulating body 14 is a barometric pressure, when the pressurized gas in low-temperature liquid storage tank 18 are discharged to thermal-insulating body 14 pressurized gas swelling heat absorption when interior, thermal-insulating body is with extraneous heat insulation, the required heat energy of pressurized gas expansion can only lean on low-temperature liquid storage tank 18 to supply with, the temperature of low-temperature liquid storage tank is reduced, move in circles like this, temperature in low-temperature liquid storage tank is reduced to below critical temperature, gas in low-temperature liquid storage tank starts liquefaction, reduced compressed-air actuated storage volume.And when the input energy of air compressor 3 is less than steamer institute energy requirement, stop valve 24 is opened, hot water in heat insulation trough 4 rises the gas temperature in high temperature gas holder 8, low-temperature liquid storage tank 18 by heat exchanger 16, heat exchanger 17, liquid gas in low-temperature liquid storage tank starts vaporization, discharges pressurized gas and supplies with steamer.Steamer, by the work of stable and continuous, is not subjected to the impact of the unstable input of air vane power take-off 1.
Heat-exchange system of the present invention: be to be formed by heat insulation trough 4, heat exchanger 5, heat exchanger 16, heat exchanger 17, one-way valve 21, one-way valve 23, stop valve 24, heat insulation trough 4 absorbs by heat exchanger 5 heat that air compressor 3 pressurized air produce, and rises and stores heat energy by water temperature; Unlatching by stop valve 24 is injected heat exchanger 16, heat exchanger 17 cooling release heat energy by water, has formed heat exchange.
Control system of the present invention: formed by one-way valve 7, pressure maintaining valve 9, one-way valve 12, pressure-limit valve 15, one-way valve 19, drain valve 20, stop valve 24, one-way valve 23, one-way valve 21, wherein one-way valve 7, one-way valve 12, one-way valve 19, pressure maintaining valve 9 are controlled airflow direction, and one-way valve 21, one-way valve 23 are controlled water (flow) direction.After stop valve 24 was closed, drain valve 20 was opened, and the gas in high temperature gas holder 8 can pass through drain valve 20, and the water in heat exchanger 16, heat exchanger 17 is emptying, prevented heat exchanger bursting by freezing.Pressure maintaining valve 9 is controlled the pressure held stationary that leads to steamer.Stop valve 24 is opened when the input energy of air compressor is less than the energy requirement of steamer, otherwise closes.
Claims (3)
1. take air as the stored energy of medium, the wind-power generating system of release for one kind, it is characterized in that, it comprises: dynamic transfer system, potential energy stocking system, heat-exchange system, control system;
Described dynamic transfer system comprises: the air vane power take-off, air compressor, heat exchanger, the high temperature gas holder, steamer, generator, this air vane power take-off connects air compressor by pto＝power take-off, kinetic energy is passed to air compressor, the air that the air compressor compression purified through air cleaner enters heat exchanger by tracheae, by tracheae, export and enter one-way valve again, the one-way valve gas outlet tube connects the high temperature gas holder, the interior gas through overcompression of high temperature gas holder, by the gas after the pressure maintaining valve voltage stabilizing, enter in steamer and do work, steamer flows to generator by steady power,
Described potential energy stocking system comprises: the high temperature gas holder, thermal-insulating body, low-temperature liquid storage tank, this low-temperature liquid storage tank is arranged in thermal-insulating body, advancing of this low-temperature liquid storage tank, steam outlet pipe forms and is connected in series by one-way valve and high temperature gas holder, on low-temperature liquid storage tank, be connected with exhaust pressure-limited valve, on thermal-insulating body, be provided with the exhaust port communicated with atmosphere, in the high temperature gas holder He in low-temperature liquid storage tank, be respectively arranged with heat exchanger, the turnover water pipe of two heat exchangers is connected to form and is connected in series, the outlet pipe of heat insulation trough passes through stop valve, one-way valve is connected with the connecting water pipe of two heat exchanger one ends, the intake pipe of heat insulation trough is connected with the connecting water pipe of two heat exchanger the other ends by one-way valve, forming the turnover water pipe of heat insulation trough and the turnover water pipe formation of two heat exchangers is connected in parallel,
Described heat-exchange system comprises: heat insulation trough, heat exchanger, in heat exchanger, be provided with heat exchanger, the inlet tube and outlet tube at these heat exchanger two ends is connected with heat insulation trough, air compressor respectively, connecting water pipe between heat insulation trough and air compressor, formation heat insulation trough, air compressor are connected with the heat exchanger formation series circulation heat exchange in heat exchanger; The heat that air compressor pressurized air produces, by the heat exchanger in heat exchanger, make the water temperature rising storage heat energy in heat insulation trough, pass through opening stop valve, by the heat exchanger in the input of the water in heat insulation trough low-temperature liquid storage tank and the heat exchanger in the high temperature gas holder, cooling discharges heat energy, has formed heat exchange;
Described control system comprises: the one-way valve be connected on tracheae between heat exchanger and high temperature gas holder, the pressure maintaining valve be connected on tracheae between high temperature gas holder and steamer, the one-way valve be connected on circulating pipe between high temperature gas holder and low-temperature liquid storage tank, the one-way valve be connected on water pipe between the two heat exchangers parallel connection the other ends in the stop valve, the one-way valve that are connected on water pipe between the ends in parallel of two heat exchangers in heat insulation trough water outlet and low-temperature liquid storage tank, high temperature gas holder, heat insulation trough water inlet and low-temperature liquid storage tank, high temperature gas holder.
2. according to claim 1ly take air and be the stored energy of medium, the wind-power generating system of release, it is characterized in that: by tracheae, be connected with drain valve (20) between one-way valve (21) waterexit end of high temperature gas holder (8) and two a heat exchangers end intake pipe in parallel of low-temperature liquid storage tank (18) and high temperature gas holder (8).
3. according to claim 1 and 2ly take air and be the stored energy of medium, the wind-power generating system of release, it is characterized in that: be connected with air cleaner on described air compressor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102154458A CN102392793B (en) | 2011-07-29 | 2011-07-29 | Energy storing and releasing wind-driven generation system with air as medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102154458A CN102392793B (en) | 2011-07-29 | 2011-07-29 | Energy storing and releasing wind-driven generation system with air as medium |
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| CN102392793A CN102392793A (en) | 2012-03-28 |
| CN102392793B true CN102392793B (en) | 2013-11-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102661175A (en) * | 2012-05-17 | 2012-09-12 | 西安交通大学 | Compressed air energy storage system |
| CN103925162B (en) * | 2014-05-08 | 2016-08-24 | 赵素中 | Gas flow generating device |
| CN106285784A (en) * | 2016-08-30 | 2017-01-04 | 武汉理工大学 | There is the compressed air engine of energy-storage system |
| CN108799002A (en) * | 2017-05-01 | 2018-11-13 | 李启飞 | Wind drives the hot energy storage peak shaving formula wind generator system of mangneto |
| CN109942178A (en) * | 2019-04-13 | 2019-06-28 | 安徽盛世新能源材料科技有限公司 | A kind of calender pressure roller refrigerating device inside |
| CN110513249B (en) * | 2019-09-06 | 2020-12-25 | 杭州德飙新能源科技有限公司 | Self-adaptive variable-speed wind power generation system |
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| GR1003653B (en) * | 2000-06-16 | 2001-08-30 | Κωσταρεσαδημητριοσα | Wind energy production |
| JP5592097B2 (en) * | 2009-10-23 | 2014-09-17 | 株式会社日本エコソリューションズ | Wind power generator |
| CN102052256B (en) * | 2009-11-09 | 2013-12-18 | 中国科学院工程热物理研究所 | Supercritical air energy storage system |
| DE202009016644U1 (en) * | 2009-12-08 | 2011-04-21 | Evers, Heinz | Energy storage system |
| CN201705575U (en) * | 2010-06-17 | 2011-01-12 | 王正德 | Energy storage wind power generation system |
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