CN102817654A - Melting phase-changing energy-storing generating system - Google Patents
Melting phase-changing energy-storing generating system Download PDFInfo
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- CN102817654A CN102817654A CN2011101555507A CN201110155550A CN102817654A CN 102817654 A CN102817654 A CN 102817654A CN 2011101555507 A CN2011101555507 A CN 2011101555507A CN 201110155550 A CN201110155550 A CN 201110155550A CN 102817654 A CN102817654 A CN 102817654A
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- 230000008018 melting Effects 0.000 title abstract 5
- 238000002844 melting Methods 0.000 title abstract 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000005485 electric heating Methods 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 230000004927 fusion Effects 0.000 claims description 43
- 238000004146 energy storage Methods 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 28
- 238000010248 power generation Methods 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000007701 flash-distillation Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000011365 complex material Substances 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 7
- 238000005338 heat storage Methods 0.000 description 2
- 239000011232 storage material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000003860 storage Methods 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention provides a brand-new high-energy-density energy-storing generating mode and relates to a melting phase-changing energy-storing generating system. By arranging an electric heating pipe, inferior electricity energy including wind electricity, solar electricity and the like and night low-ebb electricity are used for heating until energy-storing materials are melted and converted into heat energy for storing. A high-temperature-resisting and corrosion-resisting high-pressure flash pipe is installed in a melting tank, when heat energy needs to be converted into electricity energy, users only need to open a magnetic-control valve and guide in water, then the water can be instantly motivated and flashed to form over-saturated high-temperature high-pressure steam, the steam can react fast to start a heating power generator, and accurate output can be achieved through control. By means of the melting phase-changing energy-storing generating system, the world-wide puzzle of large-power energy storing can be solved thoroughly, and the melting phase-changing energy-storing generating system can have great effect in the fields of new energy grid connection, energy saving, emission reduction, peak clipping and ebb filling of the state grid and the like.
Description
Technical field
The present invention relates to a kind of melt phase change energy-storing and power-generating system.
Background technique
In the intelligent grid energy system, energy storage is a most important link, and it is the new energy important node with national grid electric power peak load shifting that are incorporated into the power networks.This three is the ecosystem in corner each other.Energy storage can not only guarantee that new energy electric power that the generating link at the upper reaches inserts is to continue and stable; At the using end of the energy, there is greatest differences in the need for electricity at daytime and night, and energy storage can be the national grid peak load shifting; In the ultimate energy domain, energy storage will become the foundation stone in a kind of distributed, intelligent controlled energy general layout.Global energy is in short supply, and the development of emerging energy industry is imperative, but clean energy resourcies such as wind energy, solar energy are affected by environment bigger, and power is unstable, causes traditional electrical network to carry, and a large amount of wind energy powers are wasted.Cause the main cause of this problem to be: energy storage technology falls behind, and existing energy storage technology can't be realized power back-off, can't satisfy the level and smooth demand of power.Energy storage technology has become one of core of new energy development.This path of---other energy---electric power of following the guiding theory of energy storage: electric power, electric power can convert forms storages such as chemical energy, potential energy, kinetic energy, heat energy, electromagnetic energy into.Wherein there is a kind of melt phase change energy storage technology also not get into compatriots' sight line.Fusion be crystalline solid from after the solid-state melt phase change to the physical process of liquid state; Its energy storage density is very high; This thermal energy storage process is the physics states of matter change procedure that belongs under the atmospheric pressure state; Therefore this process is safe, the relative compact of its structure of container, and insulation prevents that heat leak is operated in technical not too big difficulty.Have data to show, this melt phase change heat-storage technology can keep several Baidu high temperature to reach week heat storage material.Have their fusing points of multiple material high, thermal capacity is big, and the work upper limiting temperature is high, and low price, is good energy storage material.Among container around high voltage bearing spiral flash pipe; In the time of need heat energy being changed into electric energy,, water is imported as long as open magnetic control valve; Then water encourages flash distillation to form super-saturated high temperature, high pressure steam immediately; Have data to show, pressure can reach 300 barometric pressure, and temperature can be above 600 degrees centigrade.Only this item just can make the efficient of steam electric power improve 40%.He can the rapid response starter-generator, can accomplish accurate output through control.This new technology will thoroughly solve this global difficult problem of large power energy storage, be incorporated into the power networks at new energy, energy-saving and emission-reduction, national grid peak load shifting will play a great role in each field.
Summary of the invention
The object of the present invention is to provide a kind of energy storing and electricity generating mode brand-new, high-energy-density, the object of the invention can be realized through following technological scheme:
A kind of melt phase change energy-storing and power-generating system, it comprises fusion jar, electric heating tube, high pressure flash pipe, gradient multistage steam power generation system.
The present invention is through the setting of electric heating tube, directly electric energy inferior such as wind-powered electricity generation, solar-electricity and night dip electric energy is used for heating, up to the material fusion, is converted into thermal energy storage.The material fusion be crystalline solid from the solid-state phase transition process of normal temperature to high-temperature liquid state, whole process need absorbs a large amount of heat energy, and all generations under normal pressure of this process, is safe.Accomplish whole melt phase change process when material, temperature transducer will cut off the power supply of electric heating tube, accomplish material melt phase change thermal energy storage process, and electric energy is converted into the interior ability of melt substance.
Great innovation part of the present invention is in the fusion jar, to install high pressure resistant, a corrosion resistant high pressure flash pipe is set; In the time of need heat energy being changed into electric energy,, water is imported as long as open magnetic control valve; Then water encourages flash distillation to form super-saturated high temperature and high pressure steam immediately; Have data to show, pressure can reach 300 barometric pressure, and temperature can be above 600 degrees centigrade.Only this item just can make the efficient of steam electric power improve 40%.He can the rapid response starter-generator, can accomplish accurate output through control.This new technology will thoroughly solve this global difficult problem of large power energy storage, be incorporated into the power networks at new energy, energy-saving and emission-reduction, national grid peak load shifting will play a great role in each field.
Description of drawings
Fig. 1 is the structural representation of melt phase change energy-storage system;
Fig. 2 is gradient multistage steam generating system equipment flow of installation figure.
Label declaration:
1-1 safety pressure valve; The 1-2 temperature transducer; 1-3 fusion jar; The 1-4 thermal insulation layer;
Electric heating tube 1-5; The 1-6 water intake; 1-7 high pressure flash pipe; The outlet of 1-8 high pressure steam.
Embodiment
Below in conjunction with Figure of description and embodiment content of the present invention is elaborated:
Fig. 1, a kind of embodiment's schematic representation that provides for the present invention's [melt phase change energy-storing and power-generating system] shown in Figure 2.
The melt phase change energy-storing and power-generating system, it comprises melt phase change energy-storage system (Fig. 1) and two parts of gradient multistage steam power generation system (Fig. 2).Melt phase change energy-storage system (Fig. 1) is made up of fusion jar (1-3), electric heating tube (1-5), high pressure flash pipe parts such as (1-7).Fusion jar (1-3) is to process (for example iron and steel) by resistant to elevated temperatures metallic material, and the periphery is by high performance multilayer composite heat insulating material (1-4) parcel, and it is a container of containing melt substance.Fusion jar (1-3) is a kind of modular structure, can be a kind of withstand voltage thermal insulation concrete structure that possesses certain withstand voltage safety coefficient.The top of fusion jar (1-3) is provided with safety pressure valve (1-1), when fusion jar (1-3) is cut off the water when pressure inside exceeds standard immediately, outage, row pressure, warning, guarantees safety.Fusion jar (1-3) top also is provided with a plurality of temperature transducers (1-2), the flow of temperature transducer (1-2) control water intake (1-6) electromagnetic valve and the flow and the flow direction of high pressure steam outlet (1-8).
Fusion jar (1-3) bottom also is provided with electric heating tube (1-5), and electric heating tube (1-5) directly is used for heating with electric energy inferior such as wind-powered electricity generation, solar-electricity and night dip electric energy, up to the material fusion, is converted into thermal energy storage.The material fusion be crystalline solid from the solid-state phase transition process of normal temperature to high-temperature liquid state, whole process need absorbs a large amount of heat energy, and all generations under normal pressure of this process, is safe.When material is accomplished whole melt phase change process, the power supply that temperature transducer (1-2) will cut off electric heating tube (1-5) is accomplished material melt phase change thermal energy storage process, and electric energy is converted into the interior ability of melt substance.
Fusion jar (1-3) inside also is provided with a high pressure flash pipe (1-7).High pressure flash pipe (1-7) is made up of high pressure resistant, corrosion resistant volute.The inflow of intake pipe (1-6) is by temperature transducer (1-2) control, and the high inflow of temperature is low, and the low inflow of temperature is big.The temperature that is in the inner high pressure flash pipe (1-7) of melt liquid is identical with melt temperature, and flash distillation immediately becomes the supersaturated vapor of high temperature, high pressure behind the cold water entering high pressure flash pipe (1-7).Intake pipe that fusion jar (1-3) is outer and steam line are all covered by high performance heat-preserving complex material to be wrapped up in, and prevents heat-energy losses.The steam flow of high pressure flash pipe (1-7) output is controlled by temperature transducer (1-2) with the flow direction, and intelligence inserts gradient multistage steam power generation system.Temperature transducer (1-2) is provided with multistage switching temperature; The outlet passage of high pressure flash pipe (1-7) steam line is switched in control; Intelligence inserts gradient multistage steam power generation system, and the switching temperature of each grade is identical with the temperature in the steam control room of corresponding steam generating system.This is because the fusion jar provides super-saturated high energy steam, through also having very high temperature and energy after the first order steam generating system generating acting, therefore must carry out the development and use of multistage gradient generating, forms hot water until steam, accomplishes circulation.This process is the process that heat energy is converted into electric energy.High energy steam absorbs heat energy in this process, the acting generating, and then heat release cooling of melt substance, the energy that makes it steam simultaneously weakens thereupon, and its temperature and pressure are all reducing.
Steam generating system (Fig. 2) is made up of steam control room, steam working room, generator, and the steam control room is by the control of temperature and pressure sensor, and the temperature and pressure in temperature and pressure sensor intelligent management steam control room keeps the output of steam generating system stable.Steam control room gradient connects a plurality of fusion jars, and the fusion jar provides super-saturated high energy steam, and high energy steam absorbs heat energy, the acting generating, and then heat release cooling of melt substance, the energy of steam weakens thereupon simultaneously, and its temperature and pressure are all reducing.The purpose that steam control room gradient connects a plurality of fusion jars is exactly when the heat energy that a fusion jar provides reduces; There is another new fusion jar to add to come in to replenish; Guarantee that the temperature and pressure in the steam control room keeps relative stability; The fusion jar that steam control room gradient connects is many more, and the temperature and pressure changing value in steam control room is just more little.Steam generating system also has a steam working room; The stable high energy steam that the steam control room provides drives the hot machine work in the steam working room; This hot machine can be a steam turbine; Can be screw expansion motor, can be other various machines that utilize steam work, hot machine driving generator work.Though the vapor (steam) temperature that drives after the hot machine work reduces, heat energy reduces, and steam still has very high heat energy, can proceed the development and use of multistage gradient generating, forms hot water until steam, accomplishes circulation.Therefore this steam generating system must be that gradient is multistage.The steam that discharge first order steam generating system acting generating back gets into the steam control room of next stage steam generating system; Their temperature and pressure are identical; The temperature and the pressure of steam control room adjustment control steam begins new one and take turns acting and generate electricity, and become hot water until steam.
Claims (10)
1. melt phase change energy-storing and power-generating system, it comprises melt phase change energy-storage system (Fig. 1) and gradient multistage steam power generation system (Fig. 2).It is characterized in that: melt phase change energy-storage system (Fig. 1) also comprises fusion jar (1-3), electric heating tube (1-5), high pressure flash pipe parts such as (1-7).
2. melt phase change energy-storing and power-generating system according to claim 1, its characteristic also is: melt phase change energy-storage system (Fig. 1) also comprises a fusion jar (1-3).Fusion jar (1-3) is to process (for example iron and steel) by resistant to elevated temperatures metallic material, and the periphery is by high performance multilayer composite heat insulating material (1-4) parcel, and it is a container of containing melt substance.Fusion jar (1-3) is a kind of modular structure, can be a kind of withstand voltage thermal insulation concrete structure that possesses certain withstand voltage safety coefficient.
3. melt phase change energy-storage system according to claim 2 (Fig. 1), its characteristic also is: the top of fusion jar (1-3) is provided with safety pressure valve (1-1).When fusion jar (1-3) is cut off the water when pressure inside exceeds standard immediately, outage, row pressure, warning, guarantee safety.
4. melt phase change energy-storage system according to claim 2 (Fig. 1), its characteristic also is: fusion jar (1-3) top also is provided with a plurality of temperature transducers (1-2).The flow of temperature transducer (1-2) control water intake (1-6) electromagnetic valve and the flow and the flow direction of high pressure steam outlet (1-8).
5. melt phase change energy-storage system according to claim 2 (Fig. 1), its characteristic also is: fusion jar (1-3) bottom also is provided with electric heating tube (1-5).Electric heating tube (1-5) directly is used for heating with electric energy inferior such as wind-powered electricity generation, solar-electricity and night dip electric energy, up to the material fusion, is converted into thermal energy storage.The material fusion be crystalline solid from the solid-state phase transition process of normal temperature to high-temperature liquid state, whole process need absorbs a large amount of heat energy, and all generations under normal pressure of this process, is safe.When material is accomplished whole melt phase change process, the power supply that temperature transducer (1-2) will cut off electric heating tube (1-5) is accomplished material melt phase change thermal energy storage process, and electric energy is converted into the interior ability of melt substance.
6. melt phase change energy-storage system according to claim 2 (Fig. 1), its characteristic also is: fusion jar (1-3) inside also is provided with a high pressure flash pipe (1-7).High pressure flash pipe (1-7) is made up of high pressure resistant, corrosion resistant volute.The inflow of intake pipe (1-6) is by temperature transducer (1-2) control, and the high inflow of temperature is low, and the low inflow of temperature is big.The temperature that is in the inner high pressure flash pipe (1-7) of melt liquid is identical with melt temperature, and flash distillation immediately becomes the supersaturated vapor of high temperature, high pressure behind the cold water entering high pressure flash pipe (1-7).Intake pipe that fusion jar (1-3) is outer and steam line are all covered by high performance heat-preserving complex material to be wrapped up in, and prevents heat-energy losses.
7. high pressure flash pipe according to claim 6 (1-7), its characteristic also is: the steam flow of high pressure flash pipe (1-7) output is controlled by temperature transducer (1-2) with the flow direction, and intelligence inserts gradient multistage steam power generation system.This is because the fusion jar provides super-saturated high energy steam, through also having very high temperature and energy after the first order steam generating system generating acting, therefore must carry out the development and use of multistage gradient generating, forms hot water until steam, accomplishes circulation.This process is the process that heat energy is converted into electric energy.High energy steam absorbs heat energy in this process, the acting generating, and then heat release cooling of melt substance, the energy that makes it steam simultaneously weakens thereupon, and its temperature and pressure are all reducing.
8. melt phase change energy-storing and power-generating system according to claim 1, its characteristic also is: the melt phase change energy-storing and power-generating system also comprises a gradient multistage steam power generation system (Fig. 2).Steam generating system (Fig. 2) is made up of steam control room, steam working room, generator.The steam control room is by the control of temperature and pressure sensor, and the temperature and pressure in temperature and pressure sensor intelligent management steam control room keeps the output of steam generating system stable.Steam control room gradient connects a plurality of fusion jars.The fusion jar provides super-saturated high energy steam, and high energy steam absorbs heat energy, the acting generating, and then heat release cooling of melt substance, the energy of steam weakens thereupon simultaneously, and its temperature and pressure are all reducing.The purpose that steam control room gradient connects a plurality of fusion jars is exactly when the heat energy that a fusion jar provides reduces; There is another new fusion jar to add to come in to replenish; Guarantee that the temperature and pressure in the steam control room keeps relative stability; The fusion jar that steam control room gradient connects is many more, and the temperature and pressure changing value in steam control room is just more little.
9. steam electric power power generation system according to claim 8 (Fig. 2); Its characteristic also is: steam generating system also has a steam working room; The stable high energy steam that the steam control room provides drives the hot machine work in the steam working room, and this hot machine can be a steam turbine, can be screw expansion motor; Can be other various machines that utilize steam work, hot machine driving generator work.Though the vapor (steam) temperature that drives after the hot machine work reduces, heat energy reduces, and steam still has very high heat energy, can proceed the development and use of multistage gradient generating, forms hot water until steam, accomplishes circulation.Therefore this steam generating system must be that gradient is multistage.The steam that discharge first order steam generating system acting generating back gets into the steam control room of next stage steam generating system; Their temperature and pressure are identical; The temperature and the pressure of steam control room adjustment control steam begins new one and take turns acting and generate electricity, and become hot water until steam.
10. high pressure flash pipe according to claim 7 (1-7), its characteristic also is: the steam flow of high pressure flash pipe (1-7) output is controlled by temperature transducer (1-2) with the flow direction, and intelligence inserts gradient multistage steam power generation system.Temperature transducer (1-2) is provided with multistage switching temperature; The outlet passage of high pressure flash pipe (1-7) steam line is switched in control; Intelligence inserts gradient multistage steam power generation system, and the switching temperature of each grade is identical with the temperature in the steam control room of corresponding steam generating system.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329132A (en) * | 2014-11-07 | 2015-02-04 | 辽宁中联能源科技有限公司 | Electric heat energy storage power generating system |
| CN104654861A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Multi-energy complementary heat accumulator and complementary power plant |
| CN104654260A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Double-cavity electric heat accumulator and wind and light electricity heat accumulation complementation power station |
| CN104654852A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Integrated electric heat accumulator and wind, light and electricity heat accumulation complementary power station |
| CN107144163A (en) * | 2017-04-18 | 2017-09-08 | 西安交通大学 | A kind of fuse salt heat-accumulator tank with cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104654861A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Multi-energy complementary heat accumulator and complementary power plant |
| CN104654260A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Double-cavity electric heat accumulator and wind and light electricity heat accumulation complementation power station |
| CN104654852A (en) * | 2013-11-17 | 2015-05-27 | 成都奥能普科技有限公司 | Integrated electric heat accumulator and wind, light and electricity heat accumulation complementary power station |
| CN104654260B (en) * | 2013-11-17 | 2016-11-09 | 成都奥能普科技有限公司 | Two-chamber electric heat accumulator and the complementary power station of wind-light-electricity accumulation of heat |
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| CN107144163A (en) * | 2017-04-18 | 2017-09-08 | 西安交通大学 | A kind of fuse salt heat-accumulator tank with cooling system |
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