CN103115443A - Single tank phase change thermal storage device for solar energy - Google Patents
Single tank phase change thermal storage device for solar energy Download PDFInfo
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- CN103115443A CN103115443A CN2013100874824A CN201310087482A CN103115443A CN 103115443 A CN103115443 A CN 103115443A CN 2013100874824 A CN2013100874824 A CN 2013100874824A CN 201310087482 A CN201310087482 A CN 201310087482A CN 103115443 A CN103115443 A CN 103115443A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/44—Heat exchange systems
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Abstract
The invention belongs to the field of solar energy, relates to the solar-thermal energy thermal storage technology, and in particular relates to a single tank phase change thermal storage device for solar energy. The single tank phase change thermal storage device is characterized in that a respiration port, a thermal storage medium inlet, a upper cover, a thermal storage medium outlet and a thermal storage medium discharge gate are arranged on the tank body, a polycyclic multilayer heat exchange coil is arranged in the tank body, and the polycyclic multilayer heat exchange coil is connected between a heat-transfer medium outlet pipe arranged on the upper end of the heat exchange coil and a heat-transfer medium inlet pipe arranged on the lower end of the heat exchange coil in parallel, thus forming a heat-transfer medium circulation pipeline; a thermal storage chamber of the tank body, which contains the thermal storage mediums, is enclosed by the inner wall, the upper cover and the thermal storage medium discharge gate; a sealed heat insulation sandwich is composed of the inner wall of the storage tank and the outer wall of the storage tank; and a thermometer is arranged in the tank. The device disclosed by the invention has the advantages that the phase change thermal storage technology is adopted to enable the thermal storage density to be improved greatly, and the thermal storage volume is efficiently reduced on the premise of same thermal storage capacity; and the storage and release processes of the phase change materials heat are carried out in the same device, thus simplifying the structure of thermal storage device efficiently, and reducing the cost.
Description
Technical field
The invention belongs to field of solar energy, relate to the solar thermal energy heat-storage technology, relate in particular to a kind of solar energy list tank phase change material device.
Background technology
Solar energy refers to the emittance of the sun.Main opto-electronic conversion, photo-thermal conversion and 3 kinds of major ways of photochemistry conversion that utilize form that solar energy is arranged of solar energy.Solar energy power generating is converted into electric energy to solar radiation by opto-electronic conversion; The solar energy heat utilization utilizes the solar radiation heating water, or generation steam provides steam etc. for industrial technology with heat or steam turbine power generation.Conclusion says, solar energy has advantages of following: (1) is general: the solar light cultivated illumination the earth, and the restriction that there is no a region is land or ocean no matter, and no matter high mountain or island all have everywhere, directly development and utilization, and need not exploit and transport.(2) harmless: develop solar energy and do not pollute the environment, it is one of clean energy resource, and in environmental pollution more and more serious today, this point is extremely valuable.(3) huge: the annual lip-deep solar radiant energy of the earth that arrives approximately is equivalent to 130,000,000,000,000 tons of coals, and its total amount belongs to the maximum energy that can develop in the world now.(4) permanent: according to the nuclear energy rate estimation that the present sun produces, the reserves of hydrogen are enough kept over ten billion year, and the life-span of the earth also is about tens years, and in this sense, the energy that can say the sun is nexhaustible.The solar energy clean environment firendly without any pollution, does not more have this saying of energy shortage, and its various advantages has determined the status of not replacing in future source of energy substitutes.But also there is following shortcoming in solar energy: (1) dispersiveness in actual applications as the regenerative resource of cleaning: although the total amount of the solar radiation of arrival earth surface is very large, energy-flux density is very low.On average, near the tropic of cancer, summer is in the situation that weather is comparatively sunny, and the irradiation level of the positive solar radiation period of the day from 11 a.m. to 1 p.m is maximum, and the solar energy that receives on perpendicular to 1 square metre of area of sunshine direction on average has the 1000W left and right; If day and night average by the whole year, only has the 200W left and right.And roughly only have in the winter time half, and the cloudy day generally only has 1/5 left and right, and such energy-flux density is very low.Therefore, when utilizing solar energy, want to obtain certain transfer power, often the sizable cover of space required is collected and conversion equipment, and cost is higher.(2) unstability: due to be subject to round the clock, the impact of the enchancement factor such as the restriction of the natural conditions such as season, geographic latitude and height above sea level and fine, cloudy, cloud, rain, so, the solar irradiance that arrives a certain ground is interruption, be again extremely unsettled, this has increased difficulty for the large-scale application of solar energy.In order to make solar energy become continuous, the stable energy, thereby finally become the alternative energy source that to compete mutually with conventional energy resource, just must solve well the accumulation of energy problem, namely the solar radiant energy on sunny daytime is stored up as far as possible, for night or overcast and rainy use, but accumulation of energy at present is also one of link comparatively weak in the solar energy utilization.
For the shortcoming of solar energy dispersiveness, can utilize by the mode of optically focused, namely by solar concentrator,, utilize again after improving energy-flux density the first optically focused of sunshine as concentrators such as slot type, tower or dish formulas.As solar light-heat power-generation and condensation photovoltaic etc.Unstable and the intermittent shortcoming for solar energy, one of effective way of solution is exactly the mode by heat accumulation.Realized solar energy thermo-power station uninterruptable power generation in 24 hours operation by heat-storage technology at present.
According to the heat accumulation time, solar energy heat-storage can be divided into short-term heat accumulation and seasonal heat accumulation.Wherein seasonal heat accumulation volume is large, to charge and discharge the thermal cycle cycle long.The device of seasonal heat accumulation generally common are steel heat accumulation water tower more than can being placed in ground, and as Dutch Bunnik heat accumulation water tower, but that this heat accumulation mode is invested is relatively high, and the heat accumulation volume has certain restriction.Heat-insulating property also there is higher requirement.Underground storage is considered to cross-season heat-storing one of the most promising scheme.As agricultural research center, the Pacific Ocean of Canadian Ottawa Carleton university etc.But it is larger that these class methods are affected by geological conditions, has certain limitation.The patent 200910066825.2(date of application: 2009.4.16) disclose a kind of solar energy underground cross-season heat-storing method.In the short-term heat-storing device, phase-change thermal storage is a kind of very effective and potential method of tool.Phase change material device is absorb in the phase-change material phase transition process and emit the device that heat is realized heat exchange.Now compiling the heat storage and exchange device compares with the sensible heat heat accumulation equipment with common heat transmission equipment, its outstanding characteristics are need arrange phase-change material when arranging fluid line in heat transmission equipment, and the feature according to phase-change heat transfer, because phase-change material constantly undergoes phase transition, the heat transfer resistance of phase-change material side is increased gradually in the process of phase-change material and fluid heat transferring, the effective area of system is reduced gradually, thereby cause the fluid side temperature to change thereupon.The patent 201220098353.6(applying date: 2012.3.16) disclose a kind of high-temperature heat-storage heat-exchanger rig for solar energy thermal-power-generating.The patent 201010128656.3(applying date: 2010.3.18) disclose a kind of bushing-type high temperature heat-storing device that is applied in solar thermal utilization, this device has simple in structure, safe and reliable and the high characteristics that get of heat exchange efficiency.Phase-change heat-storage material is not stored in pipeline and makes the defectives such as heat storage capacity is very limited but the stability that existing patented technology or exist is worked under HTHP and security are good enough or exist for security consideration.
Summary of the invention
The object of the invention is to avoid the deficiencies in the prior art that a kind of single tank phase change material device for solar energy is provided.Phase-change heat-storage material and coiled forced heat-exchanging technology and vacuum heat-preserving technology are combined, to solve the problem in the solar energy storing process that exists at present, make the astable new forms of energy such as solar energy realize the utilization of stable, efficient and environmental protection.
For achieving the above object, the technical scheme that the present invention takes is: a kind of single tank phase change material device for solar energy, its main feature is to include and is provided with pneumostome, heat-storage medium charging aperture, upper cover, heat-storage medium discharging opening, heat-storage medium discharge gate on tank body, be provided with many ring multilayer heat exchanger coils in tank body, the parallel connection of many ring multilayer heat exchanger coils is located at heat exchanger coil upper end heat transfer medium outlet pipe and is located between the heat transfer medium inlet pipe of heat exchanger coil lower end, consists of the heat transfer medium circulation duct; Tank body surrounds heat accumulation chamber, in-built heat-storage medium by inwall, upper cover and heat-storage medium discharge gate; Reservoir walls and storage tank outer wall consist of airtight heat preservation sandwich layer; Be provided with thermometer in tank.
Described single tank phase change material device for solar energy, also including the airtight heat preservation sandwich layer of described reservoir walls and storage tank outer wall formation is vacuum heat-insulating layer, is provided with vacuum orifice on the storage tank outer wall, is connected with vacuum equipment; Vacuum is 10
-1Pa～10
-3Pa.
Described single tank phase change material device for solar energy also includes at the coil pipe center and is provided with vertical tube, and in parallel with each layer coil pipe.
Described single tank phase change material device for solar energy also includes described coil pipe and is located on the angle steel gripper shoe.
Described temperature is counted the defeated straight aobvious bimetallic thermometer of teletransmission.
Described single tank phase change material device for solar energy, the heat transfer medium inlet pipe that also includes described many ring multilayer heat exchanger coils is connected with the outlet of solar energy heat-collection field heat transfer medium, and the heat transfer medium outlet pipe is connected with the heat transfer medium expansion drum.
Described many ring multilayer heat exchanger coils are 2 to 6 rings.Conduct heat evenly in order to make, the fused salt around coil pipe is less than 150mm.
Described single tank phase change material device for solar energy also includes and be provided with supporting leg, hanger on tank body.
The described heat accumulation chamber that is surrounded by reservoir walls, upper cover and heat-storage medium discharge gate is connected with atmosphere by pneumostome.
Described single tank phase change material device for solar energy, described heat-storage medium are a kind of in heat accumulating paraffin or molten nitrate or Al-Cu-Mg-Zn phase-change alloy material.
Described single tank phase change material device for solar energy, described heat transfer medium are a kind of in conduction oil or water or steam or ternary or two yuan of nitric acid medium of fused salt.
Owing to having adopted such scheme, beneficial effect of the present invention:
1. adopt the technology of phase-change thermal storage due to this single tank phase change material device that is used for solar energy, make storage density greatly improve, effectively reduced the heat accumulation volume under the prerequisite of identical heat storage capacity; The storage of phase-change material heat and dispose procedure carry out in same device, have effectively simplified the heat-storing device structure, have reduced cost.
2. by the heat-insulating technique of vacuum interlayer, reduce the harsh requirement of heat-storing device to insulation material, reduced heat loss, effectively improved heat accumulation efficient.
3. indoor by phase-change heat-storage material being stored in the relatively large heat accumulation of volume in heat-storing device, under the condition of the heat-storing device constancy of volume, significantly increased heat storage capacity; Heat transfer medium circulates in the coil pipe runner, has improved the security of device, has reduced the device bearing requirements.
4. by heat reservoir, solved the unstable and intermittent shortcoming of solar energy, realized that solar energy is stable and continued supply, effectively promoted the efficient stable utilization of solar energy.
Description of drawings:
Fig. 1: master of the present invention looks schematic diagram;
The A of Fig. 2: Fig. 1 is to schematic top plan view;
The B-B cross-sectional schematic of Fig. 3: Fig. 1.
In figure: 1. pneumostome, 2. heat-storage medium charging aperture, 3 hangers, 4 upper cover 5. storage tank outer walls, 6. heat transfer medium outlet, 7. vacuum heat-insulating layer, 8. reservoir walls, 9. the defeated straight aobvious bimetallic thermometer of teletransmission, 10. heat-storage medium, 11. heat transfer medium inlets, 12. supporting leg, 13. heat-storage medium discharging openings, 14. heat-storage medium discharge gates, 15. vacuum orifice, 16. the 1st layers of heat exchanger coil, 17. the 2nd layers of heat exchanger coil, 18. the 3rd layer of heat exchanger coil, 19. and the center heat exchanger coil, 20. angle steel gripper shoes
The specific embodiment
Below principle of the present invention and feature are described, example only be used for to be explained the present invention, is not be used to limiting scope of the present invention.
Embodiment 1: a kind of single tank phase change material device for solar energy, see Fig. 1, Fig. 2, Fig. 3, have and be provided with pneumostome 1, heat-storage medium charging aperture 2, upper cover 4, heat-storage medium discharging opening 13, heat-storage medium discharge gate 14 on tank body, be provided with many ring multilayer heat exchanger coils in tank body, the parallel connection of many ring multilayer heat exchanger coils is located at heat exchanger coil upper end heat transfer medium outlet pipe 6 and is located between the heat transfer medium inlet pipe 11 of heat exchanger coil lower end, consist of the heat transfer medium circulation duct, the flow direction in the passage for heat transfer medium of formation is bottom in and top out.Tank body surrounds the heat accumulation chamber by inwall 8, upper cover 4 and heat-storage medium discharge gate 14, in-built heat-storage medium 10, and the heat exchange in heat accumulation and exothermic process of described heat transfer medium and heat-storage medium is completed by the passage for heat transfer medium in tank.Reservoir walls 8 and storage tank outer wall 5 consist of airtight heat preservation sandwich layer 7; Be provided with thermometer 9 in tank.
Described temperature is counted the defeated straight aobvious bimetallic thermometer of teletransmission.
The heat transfer medium inlet pipe 11 of described many ring multilayer heat exchanger coils is connected with the outlet of solar energy heat-collection field heat transfer medium, and heat transfer medium outlet pipe 6 is connected with the heat transfer medium expansion drum.
Described many ring multilayer heat exchanger coils are 2 to 6 rings, and the number of plies is more than 15 layers, conducts heat evenly in order to make, and the fused salt around coil pipe is less than 150mm.
Described tank body is provided with supporting leg 12, hanger 3.
The described heat accumulation chamber that is surrounded by reservoir walls 8, upper cover 4 and heat-storage medium discharge gate 14 is connected with atmosphere by pneumostome 1.
Tank diameter is 2m, and heat exchanger coil is divided into cloth 2 rings diametrically, and wherein first ring heat exchanger coil 16 is 2 rings to the number of rings of coil pipe between the center ring heat exchanger coil, and described coil pipe is located on angle steel gripper shoe 20, guarantees that spacing equates.Coil diameter is 20mm.
Heat-storage medium is the paraffin heat accumulating.
Heat-conducting medium is water.
Embodiment 2: described single tank phase change material device for solar energy, described coil pipe center are provided with vertical tube, and in parallel with each layer coil pipe.All the other structures are identical with embodiment 1.
Embodiment 3: described single tank phase change material device for solar energy, also including the airtight heat preservation sandwich layer 7 of described reservoir walls 8 and storage tank outer wall 5 formations is vacuum heat-insulating layer, be provided with vacuum orifice 15 on storage tank outer wall 5, be connected with vacuum equipment, vacuum is 10
-2Pa.All the other structures are identical with embodiment 1.Difference is:
Tank diameter is 4m, and heat exchanger coil is divided into cloth 6 rings diametrically, and wherein first ring heat exchanger coil 16 is 6 rings to the number of rings of coil pipe between the center ring heat exchanger coil, and spacing is equal, and coil diameter is 20mm.
Heat-storage medium is the paraffin heat accumulating.
Heat-conducting medium is high-temperature steam, and steam parameter is: pressure 4MPa, 300 ℃ of temperature.
Embodiment 4: a kind of single tank phase change material device for solar energy, see Fig. 1, comprise pneumostome 1, heat-storage medium charging aperture 2, hanger 3, upper cover 4, storage tank outer wall 5, heat transfer medium outlet 6, vacuum heat-insulating layer 7, reservoir walls 8, the defeated straight aobvious bimetallic thermometer 9 of teletransmission, heat-storage medium 10, heat transfer medium inlet 11, supporting leg 12, heat-storage medium discharging opening 13, heat-storage medium discharge gate 14, vacuum orifice 15, the 1st ring heat exchanger coil 16, the 2nd ring heat exchanger coil 17, the 3rd ring heat exchanger coil 18 and center ring heat exchanger coil 19.Reservoir walls 8, upper cover 4 and heat-storage medium discharge gate 14 surround heat accumulation chamber, in-built heat-storage medium 10; Reservoir walls 8 and storage tank outer wall 5 consist of airtight heat preservation sandwich layer 7; Heat transfer medium inlet 11, the 1st ring heat exchanger coil 16, the 2nd ring heat exchanger coil 17, the 3rd ring heat exchanger coil 18 and center ring heat exchanger coil 19 and heat transfer medium outlet 6 consist of the heat transfer medium circulation duct.Wherein, the entrance of the passage for heat transfer medium that is made of heat transfer medium inlet 11, the 1st ring heat exchanger coil 16, the 2nd ring heat exchanger coil 17, the 3rd ring heat exchanger coil 18 and center ring heat exchanger coil 19 and heat transfer medium outlet 6 is connected with the outlet of extraneous solar energy heat-collection field heat transfer medium, and passage for heat transfer medium exports and is connected with the heat transfer medium expansion drum.
The vacuum that reservoir walls 8 and storage tank outer wall 5 consist of airtight vacuum interlayer 7 is 10
-2Pa.
Tank diameter is 2m, and heat exchanger coil is divided into cloth 4 rings diametrically, and wherein first ring heat exchanger coil 16 is 4 rings to the number of rings of coil pipe between center ring heat exchanger coil 19, and spacing is equal, and coil diameter is 20mm.
Heat-storage medium is the nitrate heat accumulating, and composition and proportioning are: potassium nitrate 53%, sodium nitrate 40%, natrium nitrosum 7%.
Heat-conducting medium is conduction oil, and model is VP-1.
During use, conduction oil VP-1 is heated to 393 ℃, through heat exchanger coil, fuse salt is heated to 370 ℃.
Embodiment 5:
Substantially the same manner as Example 3, difference is:
Tank diameter is 2m, and heat exchanger coil is divided into cloth 4 rings diametrically, and wherein first ring heat exchanger coil 16 is 4 rings to the number of rings of coil pipe between center ring heat exchanger coil 19, and spacing is equal, and coil diameter is 20mm.
Heat-storage medium is the nitrate heat accumulating, and composition and proportioning are: potassium nitrate 53%, sodium nitrate 40%, natrium nitrosum 7%.
Heat-conducting medium is high-temperature steam, and steam parameter is: pressure 4MPa, 300 ℃ of temperature.
Embodiment 6:
Substantially the same manner as Example 3, difference is:
Tank diameter is 2m, and heat exchanger coil is divided into cloth 3 rings diametrically, and wherein first ring heat exchanger coil 16 is 3 rings to the number of rings of coil pipe between center ring heat exchanger coil 19, and spacing is equal, and coil diameter is 20mm.
Heat-storage medium is Al-Cu-Mg-Zn high-temperature phase-change alloy.
Heat-conducting medium is high pure nitric acid kali fusion salt.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (11)
1. single tank phase change material device that is used for solar energy, it is characterized in that including and be provided with pneumostome, heat-storage medium charging aperture, upper cover, heat-storage medium discharging opening, heat-storage medium discharge gate on tank body, be provided with many ring multilayer heat exchanger coils in tank body, the parallel connection of many ring multilayer heat exchanger coils is located at heat exchanger coil upper end heat transfer medium outlet pipe and is located between the heat transfer medium inlet pipe of heat exchanger coil lower end, consists of the heat transfer medium circulation duct; Tank body surrounds heat accumulation chamber, in-built heat-storage medium by inwall, upper cover and heat-storage medium discharge gate; Reservoir walls and storage tank outer wall consist of airtight heat preservation sandwich layer; Be provided with thermometer in tank.
2. the single tank phase change material device for solar energy as claimed in claim 1, characterized by further comprising the airtight heat preservation sandwich layer of described reservoir walls and storage tank outer wall formation is vacuum heat-insulating layer, be provided with vacuum orifice on the storage tank outer wall, be connected with vacuum equipment; Vacuum is 10
-1Pa～10
-3Pa.
3. the single tank phase change material device for solar energy as claimed in claim 1 characterized by further comprising at the coil pipe center and has been provided with vertical tube, and in parallel with each layer coil pipe.
4. the single tank phase change material device for solar energy as claimed in claim 1, characterized by further comprising described coil pipe and be located on the angle steel gripper shoe.
5. the single tank phase change material device for solar energy as claimed in claim 1 is characterized in that described temperature counts the defeated straight aobvious bimetallic thermometer of teletransmission.
6. the single tank phase change material device for solar energy as claimed in claim 1, the heat transfer medium inlet pipe that characterized by further comprising described many ring multilayer heat exchanger coils is connected with the outlet of solar energy heat-collection field heat transfer medium, and the heat transfer medium outlet pipe is connected with the heat transfer medium expansion drum.
7. the single tank phase change material device for solar energy as claimed in claim 1, is characterized in that described many ring multilayer heat exchanger coils are 2 to 6 rings.
8. the single tank phase change material device for solar energy as claimed in claim 1, characterized by further comprising and be provided with supporting leg, hanger on tank body.
9. the single tank phase change material device for solar energy as claimed in claim 1 is characterized in that the described heat accumulation chamber that is surrounded by reservoir walls, upper cover and heat-storage medium discharge gate is connected with atmosphere by pneumostome.
10. the single tank phase change material device for solar energy as claimed in claim 1 is characterized in that described heat-storage medium is a kind of in heat accumulating paraffin or molten nitrate or Al-Cu-Mg-Zn phase-change alloy material.
11. the single tank phase change material device for solar energy as claimed in claim 1 is characterized in that described heat transfer medium is a kind of in conduction oil or water or steam or ternary or two yuan of nitric acid medium of fused salt.
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| CN2013100874824A CN103115443A (en) | 2013-03-16 | 2013-03-16 | Single tank phase change thermal storage device for solar energy |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567028A (en) * | 2015-01-17 | 2015-04-29 | 浙江大学 | Improved heat transmission and accumulation solar heat collection device |
| CN105091367A (en) * | 2015-08-26 | 2015-11-25 | 武汉理工大学 | Solar heat storage device based on hydrous salts |
| CN105129264A (en) * | 2015-07-26 | 2015-12-09 | 东北石油大学 | Multilayer cylindrical spiral pipe solar storage tank |
| CN105222377A (en) * | 2015-09-14 | 2016-01-06 | 北京君和科技有限公司 | The solar energy heating control energy device of high usage |
| CN105241087A (en) * | 2015-09-18 | 2016-01-13 | 中国科学院电工研究所 | Split type single-tank solid accumulation bed heat storage system |
| CN107883593A (en) * | 2017-11-09 | 2018-04-06 | 内蒙古润泰新能源科技有限公司 | Energy storage pool and energy-storage system |
| CN108844245A (en) * | 2018-07-21 | 2018-11-20 | 合肥睿致新科技有限公司 | A kind of heat storage can using solar energy |
| CN108871029A (en) * | 2018-07-19 | 2018-11-23 | 西安中原机械有限公司 | Heat transfer medium overcurrent sandstone heat-storing method and its device |
| CN110440466A (en) * | 2019-08-22 | 2019-11-12 | 哈尔滨锅炉厂有限责任公司 | A kind of tower photo-thermal power generation latent heat heat collector |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567028A (en) * | 2015-01-17 | 2015-04-29 | 浙江大学 | Improved heat transmission and accumulation solar heat collection device |
| CN105129264A (en) * | 2015-07-26 | 2015-12-09 | 东北石油大学 | Multilayer cylindrical spiral pipe solar storage tank |
| CN105091367A (en) * | 2015-08-26 | 2015-11-25 | 武汉理工大学 | Solar heat storage device based on hydrous salts |
| CN105222377A (en) * | 2015-09-14 | 2016-01-06 | 北京君和科技有限公司 | The solar energy heating control energy device of high usage |
| CN105241087A (en) * | 2015-09-18 | 2016-01-13 | 中国科学院电工研究所 | Split type single-tank solid accumulation bed heat storage system |
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| CN107883593A (en) * | 2017-11-09 | 2018-04-06 | 内蒙古润泰新能源科技有限公司 | Energy storage pool and energy-storage system |
| CN108871029A (en) * | 2018-07-19 | 2018-11-23 | 西安中原机械有限公司 | Heat transfer medium overcurrent sandstone heat-storing method and its device |
| CN108844245A (en) * | 2018-07-21 | 2018-11-20 | 合肥睿致新科技有限公司 | A kind of heat storage can using solar energy |
| CN110440466A (en) * | 2019-08-22 | 2019-11-12 | 哈尔滨锅炉厂有限责任公司 | A kind of tower photo-thermal power generation latent heat heat collector |
| CN110440466B (en) * | 2019-08-22 | 2020-11-24 | 哈尔滨锅炉厂有限责任公司 | Latent heat collector for tower-type photo-thermal power generation |
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Application publication date: 20130522 |