[go: up one dir, main page]

WO2010070704A1 - Accumulateur de chaleur - Google Patents

Accumulateur de chaleur Download PDF

Info

Publication number
WO2010070704A1
WO2010070704A1 PCT/JP2008/003791 JP2008003791W WO2010070704A1 WO 2010070704 A1 WO2010070704 A1 WO 2010070704A1 JP 2008003791 W JP2008003791 W JP 2008003791W WO 2010070704 A1 WO2010070704 A1 WO 2010070704A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat
heat storage
medium oil
heat medium
storage tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2008/003791
Other languages
English (en)
Japanese (ja)
Inventor
菅原晃
佐々木幸夫
小原宏音
淺沼勤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JAPAN RENEWABLE ENERGY DEVELOPMENT Co Ltd
JAPAN COPPER DEV ASSOCIATION
Original Assignee
JAPAN RENEWABLE ENERGY DEVELOPMENT Co Ltd
JAPAN COPPER DEV ASSOCIATION
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JAPAN RENEWABLE ENERGY DEVELOPMENT Co Ltd, JAPAN COPPER DEV ASSOCIATION filed Critical JAPAN RENEWABLE ENERGY DEVELOPMENT Co Ltd
Priority to PCT/JP2008/003791 priority Critical patent/WO2010070704A1/fr
Priority to JP2008558567A priority patent/JP5350807B2/ja
Publication of WO2010070704A1 publication Critical patent/WO2010070704A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
    • F01K9/003—Plants characterised by condensers arranged or modified to co-operate with the engines condenser cooling circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/006—Heat storage systems not otherwise provided for
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
    • F28D2020/0078—Heat exchanger arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
    • F28D2020/0086—Partitions
    • 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

Definitions

  • the present invention relates to a heat storage device.
  • the present invention has been made in view of the above-described circumstances, and an object thereof is to provide a heat storage device that increases the amount of heat storage without increasing the size of the device.
  • the present invention is a heat storage device for storing heat of a heat medium heated to a predetermined temperature exceeding 100 ° C., a heat storage tank that stores the heat medium, and a unit volume that is provided in the heat storage tank and is more unit volume than the heat medium. And a metal body having a high heat capacity.
  • the heat medium can be stored in the heat storage tank, heat is stored in the metal body having a higher heat capacity per unit volume than the heat medium provided in the heat storage tank. It is possible to store larger thermal energy without increasing the size. Further, since the heat medium can freely flow into or out of the heat storage tank, the amount of heat stored in the heat storage tank can be easily taken out via the heat medium.
  • the metal body forms a heat medium flow path from the inlet to the outlet of the heat storage tank, and the flow path may have a configuration in which the contact area with the heat medium is increased.
  • the metal body since the metal body has a function of storing heat of the heat medium and a function of configuring the flow path of the heat medium, the structure in the heat storage tank is simplified.
  • the metal body since the metal body constitutes a flow path of the heat medium, and the flow path has an increased contact area between the metal body and the heat medium, the heat energy of the heat medium flowing through the flow path is reliably transferred to the metal body. Therefore, heat energy can be stored efficiently.
  • the metal body is disposed in the heat storage tank at a predetermined interval, and a plurality of rectifying plates that form a meandering heat medium flow path, and a plurality of heat storage rods disposed between the rectifying plates, It is good also as a structure provided with. According to this structure, the contact area of each baffle plate and the heat storage rod and the heat medium oil is wide, and a very long meandering flow path of the heat medium oil is formed as compared with the vertical and horizontal sizes of the heat storage tank. It is possible to increase the heat exchange efficiency by increasing the contact time between the heat medium oil and the heat storage body. Thereby, both the heat storage operation and the heat utilization operation can efficiently exchange heat between the heat storage body and the heat medium oil.
  • each rectifying plate is formed with a through-hole through which the heat storage rod passes, and the through-hole is formed to have a larger diameter as the hole formed in the rectifying plate located on the inlet side of the heat storage tank. It is good also as the structure currently made.
  • the through-hole through which the heat storage rod passes is formed to have a larger diameter as the hole formed in the current plate located on the inlet side of the heat storage tank, and therefore flows through the heat storage tank inlet during the heat storage operation. Even when the rectifying plate and the heat storage rod are thermally expanded by the high-temperature heat medium, excessive stress is prevented from acting on these through holes and the heat storage rod.
  • the metal body may be formed by joining a plurality of metal species having different specific heats. According to this configuration, for example, by arranging a metal species having a small specific heat on the inlet side of the heat storage tank, the amount of heat stored in the metal body is immediately supplied to the low-temperature heat medium flowing into the heat storage tank at the time of heat utilization operation. Therefore, a heat storage device having excellent responsiveness can be configured.
  • a heat storage device that stores heat of a heat medium heated to a predetermined temperature exceeding 100 ° C., the heat storage tank storing the heat medium, and provided in the heat storage tank, than the heat medium. Because it has a metal body with a high heat capacity per unit volume, the heat medium can be stored in the heat storage tank, and heat is stored in the metal body provided in the heat storage tank, so that more heat energy can be stored. Is possible. Further, since the heat medium can freely flow into or out of the heat storage tank, the amount of heat stored in the heat storage tank can be easily taken out via the heat medium.
  • FIG. 3A is a cross-sectional view taken along line AA in FIG. 2
  • FIG. 3B is a cross-sectional view taken along line BB in FIG. 2
  • FIG. 3C is a cross-sectional view taken along line CC in FIG. FIG. It is the elements on larger scale of FIG. 3B.
  • FIG. 6A is the figure which has arrange
  • FIG. 6B has the thermal storage body which gave the uneven
  • FIG. 6C is a cross-sectional view of a heat storage device having a heat storage body with grooves on the surface
  • FIG. 6D is a cross-sectional view of the heat storage device having a heat storage body with a wire wound around the surface. is there. It is sectional drawing which shows the thermal storage apparatus concerning another embodiment
  • FIG. 7A is sectional drawing which shows the thermal storage apparatus which has the thermal storage body which diameter-reduced the lower part
  • FIG. 7B is thermal storage body which the upper part diameter-reduced
  • FIG. 7C is a cross-sectional view showing a heat storage device having a heat storage body with a reduced diameter at a central portion.
  • FIG. 8A is sectional drawing which shows the thermal storage apparatus which has a thermal storage body which has arrange
  • FIG. 8B differs in specific heat. It is sectional drawing which shows the thermal storage apparatus which has the thermal storage body which included the metal.
  • FIG. 1 is a diagram showing a configuration of a power generation device 1 using natural energy as an embodiment of the present invention.
  • the power generation device 1 is stored in the heat storage device 2 (heating unit) that collects solar heat and heats the heat medium oil as a heat medium, the heat storage device 4 that stores the heat collected by the heat absorption device 2, and the heat storage device 4.
  • Steam generator 5 steam generator
  • steam engine 6 power generator driven by steam generated by steam generator 5, and after use in steam engine 6
  • a steam engine is provided with a condensing device 8 (condensate unit) for condensing water vapor and an underground piping unit 9 for recovering underground heat or cold heat, and heat energy obtained from solar heat using the heat absorbing device 2 is converted into a steam engine.
  • 6 is a system that converts the energy into motive energy and outputs it.
  • the power generation device 1 according to the embodiment can obtain electric energy by connecting the generator 7 to the output shaft of the steam engine 6.
  • new energy such as solar heat, biomass heat, snow and ice heat energy, waste heat (factory waste heat, waste incineration heat, hot spring heat), and regeneration that includes geothermal heat in these new energies.
  • waste heat factor waste heat, waste incineration heat, hot spring heat
  • regeneration that includes geothermal heat in these new energies.
  • a possible energy group, and one or more energy selected from this energy group can be utilized in the present invention.
  • solar heat is used as a heat source will be described as a specific example.
  • the power generation device 1 has a circulation path 101 that circulates heat medium oil as a heat medium between the heat absorption device 2 and the heat storage device 4, and a circulation pump 111 that circulates the heat medium oil is disposed in the circulation path 101.
  • the heat medium oil of the power generating device 1 may be any oil that maintains high fluidity over a wide temperature range. In the present embodiment, for example, fats and oils such as mineral oil and silicone oil are used as the heat medium oil. .
  • the heat medium oil is heated to, for example, about 230 ° C. and may be 0 ° C. or lower during the winter night. Therefore, a material having a boiling point higher than 230 ° C. and a freezing point lower than 0 ° C.
  • an auxiliary heat source 3 is provided in parallel with a transport pipe through which heat medium oil flows from the heat absorption device 2 toward the heat storage device 4.
  • the auxiliary heat source 3 is a device that heats the heat medium oil to a predetermined temperature with an electric heater or the like, and heats the heat medium oil when the temperature of the heat medium oil heated by the heat absorbing device 2 does not reach a predetermined temperature. .
  • the power generation device 1 includes a circulation path 102 that circulates heat medium oil between the heat storage device 4 and the steam generation device 5, and a circulation pump 112 is provided in the circulation path 102.
  • the steam generating device 5 generates high-temperature and high-pressure steam by exchanging heat between the heat medium oil flowing in via the circulation path 102 and the water supplied from the condensing device 8.
  • the power generation device 1 heats the heat medium oil by the heat absorption device 2 and the auxiliary heat source 3, stores the heat in the heat storage device 4, extracts the heat stored in the heat storage device 4, and generates steam by the steam generation device 5.
  • the generated heat utilization operation can be executed.
  • the heat medium oil heated by the heat absorption device 2 and the auxiliary heat source 3 flows to the heat storage device 4 through the circulation path 101, and heat is stored in the heat storage body (metal body) 40 included in the heat storage device 4.
  • the heat medium oil that has given heat to the heat storage body 40 circulates again in the circulation path 101 and returns to the heat absorbing device 2 to be heated.
  • the high-temperature heat medium oil from the heat storage body 40 is supplied to the steam generator 5 via the circulation path 102, and steam is generated using the heat of the heat medium oil. .
  • the heat medium oil after applying heat to the steam returns to the heat storage device 4 through the circulation path 102, obtains heat of the heat storage body 40, becomes high temperature again, and is supplied to the steam generation device 5.
  • the heat storage operation is performed by circulating the heat medium oil in the circulation path 101 by the circulation pump 111, and the heat utilization operation is performed by circulating the heat medium oil in the circulation path 102 by the circulation pump 112. For this reason, by controlling the operation of the circulation pumps 111 and 112, the heat storage operation and the heat use operation can be switched and executed in parallel, respectively.
  • the heat medium oil flowing through the circulation paths 101 and 102 is not separated, but the heat medium oil flowing through the circulation paths 101 and 102 may be completely separated.
  • the steam generated in the steam generator 5 flows into the steam engine 6 through the water circulation path 103.
  • the steam engine 6 is a steam engine driven by the steam pressure of high-temperature and high-pressure steam, and drives the generator 7 connected to the output shaft to generate power.
  • a condensing device 8 is connected to the water circulation path 103, and water vapor after being used in the steam engine 6 is sucked into the condensing apparatus 8 through the water circulation path 103.
  • the condensing device 8 includes a water tank 80 (condensation tank), a circulation pump 81 that sends out the water in the water tank 80, and an ejector 83 that ejects the water sent out by the circulation pump 81 at a high speed.
  • the ejector 83 generates a negative pressure by injecting the water sent out by the circulation pump 81 at a high speed while being mixed with air. This negative pressure reaches the exhaust side of the steam engine 6 through the water circulation path 103, and the used steam is sucked into the ejector 83 from the steam engine 6.
  • the water vapor sucked into the condensing device 8 is mixed with water in the ejector 83 and cooled, returned from the water vapor to liquid water, and stored in the water tank 80.
  • the power generation device 1 includes a circulation path 104 for cooling the water in the water tank 80.
  • the circulation path 104 connects the underground piping part 9 buried in the ground and the circulation pump 114 for circulating the heat medium oil passing through the underground piping part 9 to a cooler 88 provided in the water tank 80. .
  • the heat medium oil that has absorbed the underground heat in the underground piping section 9 is supplied to the cooler 88 by the circulation pump 114, and the water in the water tank 80 is cooled. That is, the water used in the steam engine 6 is cooled by using the cold in the ground, so that the condensing device 8 efficiently condenses water.
  • FIG. 2 is a cross-sectional view of the heat storage device 4.
  • the heat storage device 4 includes a cylindrical hollow heat storage tank 41, an inlet (inlet) 42, an outlet (outlet) 43 connected to the circulation path 101 and the circulation path 102 (FIG. 1), and An outlet 44 is provided.
  • the inflow port 42 is connected to a transport pipe 101A on the outlet side of the heat absorbing device 2 in the circulation path 101 and a transport pipe 102A on the outlet side of the steam generator 5 in the circulation path 102.
  • the transport pipe 101B on the inlet side of the heat absorption device 2 in the circulation path 101 and the transport pipe 102B on the inlet side of the steam generator 5 in the circulation path 102 are connected to the outlet 43, and the transport pipe 102B is connected to the outlet 44.
  • a branch pipe 102C branched from is connected.
  • the branch pipe 102C is provided with an opening / closing valve 102D, and the heat medium oil flowing out from the outlet 43 or the outlet 44 is supplied to the steam generator 5 by the opening / closing operation of the opening / closing valve 102D.
  • the outer wall of the heat storage tank 41 is configured in a plurality of layers including a heat insulating material, and the upper surface, the side surface, and the bottom surface are thermally insulated.
  • the inflow port 42 is provided on the side surface of the bottom of the heat storage tank 41, the outflow port 43 is provided on the upper side surface, and the outlet 44 is provided on the side surface of the central portion in the height direction. Since the heat medium oil flows into the heat storage tank 41 from the lower inlet 42 and flows out from the upper outlet 43, the heat medium oil is circulated inside and outside the heat storage device 4 while the heat medium oil flows inside and outside the heat storage device 4. The space is almost filled with heat transfer oil.
  • a heat storage body 40 made of a material having a larger heat capacity per unit volume than the heat medium oil, for example, a metal
  • the heat storage tank 41 is also made of the same metal as the heat storage body 40. According to this, the thermal energy which heat-medium oil has can be stored in the thermal storage tank 41 and the thermal storage body 40, and the increase in the amount of thermal energy which can be stored in the thermal storage apparatus 4 can be aimed at.
  • the heat accumulator 40 includes a central rectifying plate 46 and an upper rectifying plate 47 that form the heat medium oil flow path 200, a rod-shaped heat accumulating rod 48 that passes through these, and a bottom rectifying plate 45 that supports the heat accumulating rod 48.
  • the central rectifying plate 46, the upper rectifying plate 47, the heat storage body, and the bottom rectifying plate 45 are made of, for example, a copper-based metal (including copper and a copper alloy).
  • the heat storage body 40 is a so-called sensible heat storage type unit, and stores heat in accordance with a temperature change of a material (copper metal) constituting the heat storage body 40.
  • this sensible heat storage type unit when thermal energy flows into a low temperature T L material and is heated to a temperature T H , the heat storage amount Q S of the material is C, the specific heat of the material, the density ⁇ , When the volume is V, it is expressed by the following formula.
  • Q S C ⁇ V (T H ⁇ T L ) That is, the process of increasing the temperature of the substance is heat storage, and the process of decreasing the temperature is heat dissipation.
  • the heat storage amount Q S changes in proportion to the temperature difference (T H ⁇ T L ) and the heat capacity C ⁇ V of the substance, the amount of heat stored can be increased if a large temperature difference is provided or a heat storage material having a large heat capacity is used.
  • Metals generally have a smaller specific heat C than other materials, but have a large density ⁇ , so that a large heat capacity C ⁇ V per unit volume can be secured.
  • copper has a relatively large specific heat C (0.092 (Cal / g ⁇ ° C.)) and density ⁇ (8.96 (g / cm 3 )) among metal materials, and heat capacity per unit volume.
  • the amount of stored heat can be increased.
  • copper has a large thermal conductivity (0.94 (Cal / cm ⁇ ° C. ⁇ sec) among metal materials
  • the copper-based metal containing copper is an effective material in that it constitutes the heat storage body 40. It becomes.
  • the melting point of the metal is much higher than the temperature of the heat medium oil heated by the heat absorbing device 2 (for example, more than 230 ° C.), and the temperature difference (T H ⁇ T L ) during the heat storage operation can be increased. Therefore, there is an advantage as the temperature of the heat transfer oil increases.
  • the metal is a material having malleability and ductility, processing for forming each part of the heat storage body 40 is facilitated.
  • the bottom rectifying plate 45 is attached to a position above the inlet 42 in the lower part of the heat storage tank 41 to form the bottom surface of the heat storage body 40, and the upper rectifying plate 47 is lower than the outlet 43 in the upper part of the heat storage tank 41.
  • a plurality of central rectifying plates 46 are arranged at a predetermined interval h between the bottom rectifying plate 45 and the upper rectifying plate 47, and the bottom rectifying plate 45, the central rectifying plate 46 and the upper rectifying plate 47 are substantially parallel. It is being fixed to the inner surface of the thermal storage tank 41 so that it may become. In this configuration, the space between the bottom rectifying plate 45, the plurality of central rectifying plates 46, and the upper rectifying plate 47 is the heat medium oil flow path 200.
  • the predetermined interval h can supply the necessary amount of heat medium oil to the heat absorbing device 2 and the steam generator 5 through the flow path 200, and the necessary amount of heat medium oil is allowed to flow through the flow path 200.
  • the heat medium oil is adjusted to such a height that it flows as a turbulent flow between the central flow straightening plates 46 and 46. According to this, since the space
  • the contact time between the heat medium oil and the surface of the central portion rectifying plate 46 increases due to disturbance of the flow of the heat medium oil, heat exchange between the heat medium oil and the heat storage body 40 is performed, and the heat storage body 40 can store a lot of heat energy.
  • FIG. 3 is a diagram showing the configuration of each part of the heat storage body 40
  • FIG. 3A is a cross-sectional view taken along the line AA in FIG.
  • FIG. 3B is a cross-sectional view taken along the line BB in FIG. 2 and shows the configuration of the central rectifying plate 46
  • 3C is a cross-sectional view taken along the line CC in FIG. 2 and shows the configuration of the bottom rectifying plate 45.
  • FIG. 4 is a partially enlarged view of FIG. 3B and shows the configuration of the central rectifying plate 46. As shown in FIG.
  • the upper rectifying plate 47 is a disk-shaped member that matches the cross-sectional shape and size of the cylindrical heat storage tank 41, and has a large number of heat medium passage holes 47A for allowing the heat medium oil to pass therethrough. It has been drilled. Further, the upper rectifying plate 47 has a through hole 47B through which the heat storage rod 48 passes. The diameter of the through hole 47B is larger than the outer diameter of the heat storage rod 48, and even when the heat storage rod 48 and the upper rectifying plate 47 are thermally expanded as the temperature in the heat storage tank 41 rises, the through hole 47B and the heat storage rod 48 are separated. Excessive stress is prevented from acting, and the through-hole 47 ⁇ / b> B is substantially blocked by the heat storage rod 48 during the heat storage operation.
  • the central rectifying plate 46 has a disk shape similar to that of the upper rectifying plate 47, and has a large number of through holes 46B through which the heat storage rods 48 are penetrated.
  • the diameter D ⁇ b> 1 of the through hole 46 ⁇ / b> B is formed larger than the outer diameter D ⁇ b> 2 of the heat storage rod 48, similar to the through hole 47 ⁇ / b> B of the upper rectifying plate 47.
  • an inlet 42 is formed below the heat storage tank 41, and during the heat storage operation, the heat medium oil heated by the heat absorbing device 2 flows through the inlet 42.
  • the side close to the inlet 42 that is, the lower side of the heat storage tank 41 is in a state where it tends to be hotter.
  • the through-hole 46B drilled in the central rectifying plate 46 is formed so as to have a larger diameter as the through-hole 46B of the central rectifying plate 46 disposed on the lower side of the heat storage tank 41. Even when thermal expansion is caused by the medium oil, excessive stress is prevented from acting on the through-hole 46B and the heat storage rod 48, and the through-hole 46B is substantially blocked by the heat storage rod 48 during the heat storage operation.
  • the central rectifying plates 46 are arranged so that the notches 46 ⁇ / b> C are staggered at positions shifted by about 180 degrees, and a meandering heat medium oil flow path 200 is formed in the heat storage tank 41. Is done. As a result, the heat medium oil flows through the flow path 200 while meandering without a shortcut, so that heat can be stored in the heat storage body 40 during the heat storage operation by exchanging heat with the heat storage body 40 in the flow path 200.
  • the heat medium oil can be heated by receiving heat from the heat storage body 40.
  • the bottom rectifying plate 45 has a disk shape similar to that of the upper rectifying plate 47, and supports the lower end portions of the heat storage rods 48 described above.
  • the bottom rectifying plate 45 is provided with a large number of heat medium passage holes 45A for allowing the heat medium oil to pass therethrough.
  • the heat storage rods 48 are formed in a columnar shape and are arranged in a staggered manner in the heat storage tank 41.
  • the distance L between the heat storage rods 48, 48 is defined to be approximately the same length as the distance h between the central rectifying plates 46, 46 described above.
  • the heat storage rod 48 is formed in a cylindrical shape, but is not limited to this.
  • the upstream side is made cylindrical with respect to the flow of the heat medium oil, and the downstream side is made prismatic. You can also. According to this configuration, since the cross-sectional area (that is, volume) of the heat storage rod can be increased without greatly increasing the flow path resistance, the amount of heat stored in the heat storage rod can be increased.
  • the heat medium oil flows in from the inlet 42 in the lower part of the heat storage tank 41
  • the heat medium oil fills the lower part of the heat storage tank 41 and passes through the heat medium passage hole 45 ⁇ / b> A of the bottom rectifying plate 45.
  • the space below the bottom rectifying plate 45 acts as a pressure adjusting chamber that relieves the inflow pressure of the heat transfer medium oil that has flowed from the inlet 42.
  • the heat medium oil that has passed through the heat medium passage hole 45 ⁇ / b> A accumulates between the bottom rectifying plate 45 and the central rectifying plate 46.
  • the heat storage body 40 of the present embodiment includes 21 central rectifying plates 46, and these 21 central rectifying plates 46 are shifted by about 180 degrees so that the notch portions 46C do not overlap each other in plan view. In the position. For this reason, the meandering heat medium oil flow path 200 is formed by the notch 46C, and the heat medium oil ascends inside the heat storage tank 41 while meandering.
  • the heat medium oil that comes out above the uppermost central rectifying plate 46 reaches the uppermost part of the heat storage tank 41 through the heat medium passage hole 47 ⁇ / b> A formed in the upper rectifying plate 47 and flows out from the outlet 43. .
  • the heat storage tank 41 is formed with the meandering flow path 200 for moving the heat medium oil in the horizontal direction by the plurality of central rectifying plates 46, and heat is generated while flowing through the long flow path 200.
  • the medium oil contacts the heat storage rod 48 and the central rectifying plate 46 for a long time.
  • the heat storage rod 48 has a large contact area with the heat medium oil.
  • the central rectifying plate 46 is not formed with a through-hole through which the heat medium oil is circulated, and almost the entire amount of the heat medium oil is disposed between the two central rectifying plates 46 arranged with an interval h.
  • the heat medium oil flows, the heat medium oil collides with the heat storage rod 48 to generate a turbulent flow, and heat exchange between the heat medium oil and the heat storage rod 48 is performed efficiently.
  • the heat storage body 40 has a large contact area between the current plates and the heat storage rods 48 and the heat medium oil, and the length of the heat storage tank 41 that is extremely long compared to the vertical and horizontal sizes of the heat storage tank 41.
  • the contact time between the heat medium oil and the heat storage body 40 is lengthened, and the heat exchange efficiency is increased. Thereby, both the heat storage operation and the heat utilization operation can efficiently exchange heat between the heat storage body 40 and the heat medium oil.
  • the volume occupied by the heat storage body 40 in the heat storage tank 41 may be increased.
  • the number of the central rectifying plates 46 is increased, the thickness of the bottom rectifying plate 45, the central rectifying plate 46 and the upper rectifying plate 47 is increased, and the thermal storage rod 48 is made thicker.
  • the heat storage rod 48 is not limited to a configuration that penetrates the central rectifying plate 46 and the upper rectifying plate 47, and for example, a large number of thermal storage rods are provided between the bottom rectifying plate 45, the central rectifying plate 46, and the upper rectifying plate 47.
  • a configuration in which 48 is arranged is also possible.
  • the take-out port 44 provided at substantially the center in the height direction of the heat storage tank 41 can be used for the purpose of taking out and supplying medium-temperature heat medium oil during heat utilization operation. That is, at the time of heat utilization operation, low-temperature heat medium oil flows in from the inlet 42, and this heat medium oil takes the heat of the high-temperature heat storage body 40 and becomes high temperature, and the steam generator 5 (FIG. 1) ).
  • the heat medium oil since the heat medium oil is in the process of changing from a low temperature to a high temperature at the height position of the outlet 44, the temperature is lower than the vicinity of the outlet 43 and higher than the vicinity of the inlet 42. Therefore, it is possible to take out the heat medium oil having a medium temperature (for example, about 100 ° C. to 150 ° C.) from the take-out port 44.
  • the heat storage device 4 stores heat of the heat medium oil heated to a predetermined temperature exceeding 100 ° C.
  • the heat storage tank 41 stores the heat medium oil. Since the heat storage body 40 is provided in the heat storage tank 41 and has a higher heat capacity C ⁇ V per unit volume than the heat medium oil, the heat medium oil can be stored in the heat storage tank 41 and then provided in the heat storage tank 41. Since heat can be stored in the stored heat storage body 40, it is possible to store larger heat energy without increasing the size of the heat storage tank 41.
  • the heat storage body 40 forms the heat medium oil flow path 200 from the inlet 42 to the outlet 43 of the heat storage tank 41, and the flow path 200 is in contact with the heat medium oil. Since the heat energy of the heat medium oil flowing through the flow path 200 is reliably transmitted to the heat storage body 40, the heat energy can be stored efficiently.
  • the heat storage body 40 is arrange
  • the contact area with the medium oil is wide, and the meandering flow path 200 of the heat medium oil can be formed as compared with the size of the heat storage tank 41 in the vertical and horizontal directions. It is possible to increase the heat exchange efficiency by increasing the contact time. Thereby, both the heat storage operation and the heat utilization operation can efficiently exchange heat between the heat storage body 40 and the heat medium oil.
  • the central rectifying plate 46 is formed with a through hole 46B through which the heat storage rod 48 passes, and the through hole 46B is located on the inlet 42 side of the thermal storage tank 41. Since the through-hole 46B formed in 46 is formed to have a larger diameter, when the central rectifying plate 46 and the heat storage rod 48 are thermally expanded by the high-temperature heat medium oil flowing in through the inlet 42 during the heat storage operation. In addition, excessive stress is prevented from acting on the through holes 46B and the heat storage rods 48.
  • the heat storage device 4 is, for example, an electric type as a heating device (heating unit) in a space 41 ⁇ / b> A below the heat storage tank 41 and below the bottom rectifying plate 45.
  • a heater unit 50 is provided.
  • the heater unit 50 heats the heat medium oil by using nighttime electric power or the like, and cooperates with the heat absorbing device 2 described above or by heating the heat medium oil in the heat storage tank 41 alone.
  • the heat energy of the heat medium oil can be stored in the heat storage body 40.
  • the heat medium oil in the space 41 ⁇ / b> A is heated by the heater unit 50, and this heat is present in the space between the central rectifying plates 46 and in the space above the upper rectifying plate 47 via the heat storage body 40. Since it is transmitted to the medium oil, the heat medium oil in the heat storage tank 41 can be heated to a substantially uniform temperature without using a mechanism for circulation (for example, a circulation pump), and energy consumption is reduced accordingly. Can be achieved.
  • a circulation pump for example, a circulation pump
  • the heater unit 50 is disposed in the space 41A below the bottom rectifying plate 45 because of the space to be installed, but the present invention is not limited to this.
  • FIG. 6 is a cross-sectional view showing the heat storage device 204
  • FIG. 6A is a diagram in which a heat storage body 205 of a metal mass is arranged in the heat storage tank 41
  • FIGS. 6B to 6D have uneven shapes on the surface.
  • FIG. 2 is a diagram in which heat storage bodies 206 to 208 are arranged in a heat storage tank 41.
  • FIG. in this other embodiment the same components as those in the above embodiment are denoted by the same reference numerals and description thereof is omitted.
  • the heat storage amount Q S to the heat storage body changes in proportion to the temperature difference (T H ⁇ T L ) and the heat capacity C ⁇ V.
  • the temperature difference (T H ⁇ T L ) does not change greatly because the temperature of the heat medium oil flowing into the heat storage tank 41 is regulated.
  • the heat storage body is configured by a metal lump in order to increase the heat capacity C ⁇ V.
  • the heat storage body 205 includes a columnar heat storage body main body 205 ⁇ / b> A disposed with a gap in the heat storage tank 41, and legs for supporting the heat storage body main body 205 ⁇ / b> A on the bottom surface of the heat storage tank 41.
  • the heat storage body main body 205 ⁇ / b> A may not have a cylindrical shape such as a rectangular parallelepiped as long as it can be disposed in the heat storage tank 41.
  • the upper part of the heat storage body main body 205 ⁇ / b> A is supported below the outflow port 43 by a plurality of support arms 209 extending from the inner wall of the heat storage tank 41.
  • the heat storage body main body 205 ⁇ / b> A can be held in a state where there is a gap in the heat storage tank 41.
  • the heat medium oil is stored in a gap between the heat storage body main body 205 ⁇ / b> A and the inner wall of the heat storage tank 41, and this gap functions as the heat medium oil flow path 200.
  • the heat storage body 205 since the heat storage body 205 has a larger amount of metal than the heat storage device 4 described above, the heat storage body 205 can store larger heat energy.
  • the heat storage body 205 has an increased amount of metal that the heat storage body 205 has, the contact area between the heat storage body 205 and the heat medium oil is smaller than that of the heat storage device 4.
  • FIG. 6B is a cross-sectional view of a heat storage device 204 having a heat storage body 206 having an uneven shape on the surface.
  • the heat storage body 206 is provided with a plurality of protruding portions 211 on the surface of the heat storage body main body 206A.
  • the protruding portions 211 are formed in a columnar shape, a prismatic shape, or a conical shape, and are arranged in a staggered manner on the surface of the heat storage body main body 206A. Since the protruding portion 211 increases the surface area of the heat storage body 206, a smaller one is desirable.
  • the protruding portion 211 is formed integrally with the heat storage body main body 206A, but it is needless to say that it may be a separate body. According to this configuration, since the heat storage body 206 includes the heat storage body main body 206A and the protruding portions 211 that are uniformly arranged on the surface of the heat storage body main body, the contact area between the heat storage body 206 and the heat medium oil. The thermal energy can be efficiently stored in the heat storage body 206.
  • FIG. 6C is a cross-sectional view of a heat storage device 204 having a heat storage body 207 with grooves on the surface.
  • the heat storage body 207 has a surface area increased by providing a groove 212 on the surface of the heat storage body main body 207A.
  • the width of the groove 212 is shown large, but it is preferable that the groove width be formed smaller to increase the surface area.
  • the groove 212 is formed in a spiral shape from the lower side to the upper side of the heat storage body 207A.
  • FIG. 6D is a cross-sectional view of a heat storage device 204 having a heat storage body 208 with a wire wound around the surface.
  • the heat storage body 208 includes a heat storage body main body 208A and a wire 213 wound around the outer peripheral surface of the heat storage body main body 208A.
  • the wire 213 is spirally wound from below to above the heat storage body main body 208A, and can be formed more easily than the heat storage body 207 shown in FIG. 6C.
  • the wire 213 is made of the same metal as the heat storage body main body 208A, it is needless to say that it may be made of another metal.
  • FIG. 7 is a cross-sectional view showing the heat storage device 304.
  • a heat storage body formed of a metal lump by disposing a heat storage body formed of a metal lump in the heat storage tank 41, a large amount of heat energy can be stored in the heat storage body.
  • the heat storage body is formed of a metal lump, the weight of the heat storage body increases, so that the structure for supporting the heat storage body becomes complicated and the cost for manufacturing the heat storage body increases.
  • FIG. 7A is a cross-sectional view showing a heat storage device 304 having a heat storage body 305 whose diameter is reduced in the lower part. As shown in FIG.
  • the heat storage body 305 supports the heat storage body main body 305 ⁇ / b> A formed in an upside down shape with a substantially truncated cone shape and the bottom surface of the heat storage body main body 305 ⁇ / b> A having a reduced diameter on the bottom surface of the heat storage tank 41.
  • Leg portion 210 Further, the upper portion of the heat storage body main body 305 ⁇ / b> A whose diameter has been expanded is supported by a plurality of support arms 209 extending from the inner wall of the heat storage tank 41 below the outlet 43. With these support arms 209 and legs 210, the heat storage body main body 305 ⁇ / b> A can be held in a state where there is a gap in the heat storage tank 41. In this configuration, the heat medium oil is stored in a gap between the heat storage body main body 305 ⁇ / b> A and the inner wall of the heat storage tank 41, and this gap functions as the heat medium oil flow path 200.
  • the heat storage body 305 since the heat storage body 305 includes the heat storage body main body 305A whose diameter is reduced in the lower portion, the weight of the heat storage body 305 can be reduced, and the manufacturing cost can be reduced. Moreover, in this structure, since the upper part is diameter-expanding, the thermal storage body 305 can store much calorie
  • FIG. 7B is a cross-sectional view showing a heat storage device 304 having a heat storage body 306 whose upper portion has a reduced diameter.
  • the heat storage body 306 includes a heat storage body main body 306 ⁇ / b> A having a substantially conical shape whose upper portion has a reduced diameter, opposite to the heat storage body 305 described above.
  • the heat storage body main body 306 ⁇ / b> A can store a large amount of heat in the lower portion because the lower portion has an enlarged diameter. For this reason, for example, at the time of heat utilization operation, heat energy can be supplied to the heat medium oil in the lower region of the heat storage tank 41 close to the inlet 42, so the low-temperature heat medium oil flowing from the inlet 42 is immediately heated. Therefore, the heat storage device 304 having excellent responsiveness can be configured.
  • FIG. 7C is a cross-sectional view showing a heat storage device 304 having a heat storage body 307 with a reduced diameter at the center.
  • the heat storage body 307 includes an upper main body 307A formed in an inverted frustoconical shape having an enlarged upper portion and a lower main body 307B formed in a frustoconical shape having an enlarged lower portion. It is prepared for. For this reason, in this structure, while being able to supply the heat-medium oil of the stable temperature to the steam generator 5 from the outflow port 43, the low temperature heat-medium oil which flows in from the inflow port 42 can be heated immediately, and a response There exists an advantage that the heat storage apparatus 304 excellent in property can be comprised.
  • This embodiment is not limited to the one described above, and may have another shape (for example, a polygonal pyramid shape) as long as the lower part or the upper part has a reduced diameter. Furthermore, the above-described configuration for increasing the surface area may be appropriately combined with this configuration.
  • FIG. 8A is a cross-sectional view showing a heat storage device 404 having a heat storage body 405 in which a plurality of metals having different specific heats are vertically arranged.
  • the heat storage body 405 includes a metal 406 having a small specific heat (for example, a copper-based metal) and a metal 407 having a large specific heat (for example, an aluminum-based metal: including aluminum and an aluminum alloy).
  • the heat storage body 405 is configured and supported on the bottom surface of the heat storage tank 41 by legs 403 disposed on both sides of the lower surface.
  • a copper-based metal which is a metal 406 having a small specific heat
  • the amount of heat stored by the copper immediately flows into the heat storage tank 41 during the heat utilization operation.
  • FIG. 8B is sectional drawing which shows the thermal storage apparatus 404 which has the thermal storage body 400 which included the metal 408 from which specific heat differs.
  • a metal 408 for example, an aluminum-based metal
  • a metal 409 for example, a copper-based metal
  • the heat radiation time during the heat utilization operation can be kept long.
  • This embodiment is not limited to the above, and any arrangement configuration may be used as long as a plurality of metal species are joined.
  • the above-described configuration for increasing the surface area and the configuration in which the lower part or the upper part has a reduced diameter may be combined as appropriate.
  • the heat storage body may have a honeycomb structure.
  • the heat storage tank 41 demonstrated what was formed in the cylindrical shape in above-described embodiment, you may form in a polygonal cylinder shape as long as it is a shape which can accommodate a heat storage body not only in this. .
  • the shape of the heat storage body can be arbitrarily changed according to the shape of the heat storage tank 41. In the above-described embodiment, the configuration in which the heat medium oil is used as the heat medium has been described.
  • the present invention is not limited thereto, and for example, molten carbonate or liquid sodium may be used.
  • the heat storage device that stores the heat of the heat medium heated by using natural energy has been described.
  • the present invention is not limited to this.
  • the heat storage device is connected to the heat storage device or the heat storage device.
  • An electric heater unit may be provided on the circulation path. According to this configuration, the heating medium oil can be heated by operating the heater unit using nighttime electric power, and the heat energy of the heated heating medium oil can be stored.
  • the structure of each part which comprises the motive power generator 1 can be arbitrarily changed in the range which does not impair the meaning of this invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

L'invention concerne un accumulateur de chaleur où une quantité d'accumulation de chaleur peut être accrue sans qu'il soit nécessaire d'accroître la taille de celui-ci. L'accumulateur (4) de chaleur selon l'invention, destiné à accumuler la chaleur d'une huile faisant fonction de milieu caloporteur et chauffée jusqu'à une température prédéterminée au-delà de 100ºC, comporte une cuve (41) d'accumulation de chaleur servant à stocker l'huile faisant fonction de milieu caloporteur et un matériau (40) accumulant la chaleur qui est placé dans la cuve (41) d'accumulation de chaleur et présente une capacité calorifique (C?V) par unité de volume supérieure à celle de l'huile faisant fonction de milieu caloporteur.
PCT/JP2008/003791 2008-12-16 2008-12-16 Accumulateur de chaleur Ceased WO2010070704A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2008/003791 WO2010070704A1 (fr) 2008-12-16 2008-12-16 Accumulateur de chaleur
JP2008558567A JP5350807B2 (ja) 2008-12-16 2008-12-16 蓄熱装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2008/003791 WO2010070704A1 (fr) 2008-12-16 2008-12-16 Accumulateur de chaleur

Publications (1)

Publication Number Publication Date
WO2010070704A1 true WO2010070704A1 (fr) 2010-06-24

Family

ID=42268395

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003791 Ceased WO2010070704A1 (fr) 2008-12-16 2008-12-16 Accumulateur de chaleur

Country Status (2)

Country Link
JP (1) JP5350807B2 (fr)
WO (1) WO2010070704A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8546903B2 (en) 2010-10-07 2013-10-01 Texas Instruments Incorporated Ionic isolation ring
EP3438423A1 (fr) * 2017-08-04 2019-02-06 Lumenion GmbH Réservoir d'énergie permettant le stockage d'énergie électrique en tant que chaleur et procédé correspondant
IT202200016569A1 (it) * 2022-08-03 2024-02-03 Energy Dome S P A Apparato di accumulo di energia termica ed impianto per la trasformazione e lo stoccaggio di energia
DK202300158A1 (en) * 2023-02-22 2024-09-02 Erik Poulsen High Density Buffer
EP4484848A1 (fr) * 2023-06-27 2025-01-01 Lumenion GmbH Accumulateur de chaleur avec cartouches d'accumulation de chaleur

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986894A (ja) * 1982-11-10 1984-05-19 Agency Of Ind Science & Technol 蓄熱方法と蓄熱器
JPS62112995A (ja) * 1985-11-08 1987-05-23 Matsushita Electric Ind Co Ltd 熱交換器
JPH0979774A (ja) * 1995-09-14 1997-03-28 Nippon Furnace Kogyo Kaisha Ltd セラミック波板積層式蓄熱体
JP2000161882A (ja) * 1998-11-26 2000-06-16 Hitachi Ltd 蓄熱・蓄冷槽
JP2002327962A (ja) * 2001-05-01 2002-11-15 Yozo Kato 太陽熱蓄熱システム
JP2003240465A (ja) * 2002-02-20 2003-08-27 Toho Gas Co Ltd 潜熱蓄熱装置
JP2004138043A (ja) * 2002-08-22 2004-05-13 Sfc:Kk 電力の貯蔵システム
JP2006002976A (ja) * 2004-06-16 2006-01-05 Sumitomo Electric Ind Ltd 蓄熱体、蓄熱方法、暖房器および温水器

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986894A (ja) * 1982-11-10 1984-05-19 Agency Of Ind Science & Technol 蓄熱方法と蓄熱器
JPS62112995A (ja) * 1985-11-08 1987-05-23 Matsushita Electric Ind Co Ltd 熱交換器
JPH0979774A (ja) * 1995-09-14 1997-03-28 Nippon Furnace Kogyo Kaisha Ltd セラミック波板積層式蓄熱体
JP2000161882A (ja) * 1998-11-26 2000-06-16 Hitachi Ltd 蓄熱・蓄冷槽
JP2002327962A (ja) * 2001-05-01 2002-11-15 Yozo Kato 太陽熱蓄熱システム
JP2003240465A (ja) * 2002-02-20 2003-08-27 Toho Gas Co Ltd 潜熱蓄熱装置
JP2004138043A (ja) * 2002-08-22 2004-05-13 Sfc:Kk 電力の貯蔵システム
JP2006002976A (ja) * 2004-06-16 2006-01-05 Sumitomo Electric Ind Ltd 蓄熱体、蓄熱方法、暖房器および温水器

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8546903B2 (en) 2010-10-07 2013-10-01 Texas Instruments Incorporated Ionic isolation ring
EP3438423A1 (fr) * 2017-08-04 2019-02-06 Lumenion GmbH Réservoir d'énergie permettant le stockage d'énergie électrique en tant que chaleur et procédé correspondant
WO2019025182A1 (fr) * 2017-08-04 2019-02-07 Lumenion Gmbh Accumulateur d'énergie pour stocker de l'energie électrique sous forme de chaleur et procédé correspondant
CN111065798A (zh) * 2017-08-04 2020-04-24 路蒙尼尔有限责任公司 用于将电能存储为热量的蓄能器和出于该目的的方法
JP2020528990A (ja) * 2017-08-04 2020-10-01 ルメニオン ゲーエムベーハー 電気エネルギーを熱として貯蔵するためのエネルギー蓄積器及び該目的のための方法
US10961872B2 (en) 2017-08-04 2021-03-30 Lumenion Gmbh Energy accumulator for storing electrical energy as heat and method for this purpose
AU2018312516B2 (en) * 2017-08-04 2023-01-19 Lumenion Gmbh Energy accumulator for storing electrical energy as heat and method for this purpose
JP7281066B2 (ja) 2017-08-04 2023-05-25 ルメニオン ゲーエムベーハー 電気エネルギーを熱として貯蔵するためのエネルギー蓄積器及び該目的のための方法
IT202200016569A1 (it) * 2022-08-03 2024-02-03 Energy Dome S P A Apparato di accumulo di energia termica ed impianto per la trasformazione e lo stoccaggio di energia
WO2024028742A1 (fr) * 2022-08-03 2024-02-08 Energy Dome S.P.A. Appareil de stockage d'énergie thermique et installation de transformation et de stockage d'énergie
DK202300158A1 (en) * 2023-02-22 2024-09-02 Erik Poulsen High Density Buffer
EP4484848A1 (fr) * 2023-06-27 2025-01-01 Lumenion GmbH Accumulateur de chaleur avec cartouches d'accumulation de chaleur
WO2025002992A1 (fr) 2023-06-27 2025-01-02 Lumenion Gmbh Dispositif de stockage de chaleur doté de cartouches de dispositif de stockage de chaleur

Also Published As

Publication number Publication date
JPWO2010070704A1 (ja) 2012-05-24
JP5350807B2 (ja) 2013-11-27

Similar Documents

Publication Publication Date Title
Grubišić-Čabo et al. Photovoltaic panels: A review of the cooling techniques
CN102695924B (zh) 能量存储系统
US5685151A (en) U.S. solar power supply
US20120111006A1 (en) Solar energy transfer and storage apparatus
JPWO2006038508A1 (ja) 太陽電池システムおよび熱電気複合型太陽電池システム
US11656035B2 (en) Heat storing and heat transfer systems incorporating a secondary chamber selectively moveable into a primary heat storage member
JP5350807B2 (ja) 蓄熱装置
CN104833253A (zh) 一种带相变蓄热的单罐蓄热装置及其使用方法
CN108150986A (zh) 一种熔融盐相变蓄热电锅炉
Chiang et al. Experimental investigation for an innovative hybrid photovoltaic/Thermal (PV/T) solar system
US11085424B2 (en) Solar power collection system and methods thereof
EP2592363A1 (fr) Dispositif de conversion d'énergie
CN113108488A (zh) 一种外接式颗粒吸热器及太阳能发电系统
US11073305B2 (en) Solar energy capture, energy conversion and energy storage system
JP2013122370A (ja) 太陽熱利用温水器
WO2010070702A1 (fr) Générateur d'électricité qui utilise une énergie naturelle
JP5191645B2 (ja) 熱電気複合型太陽電池システム
JPWO2010070703A1 (ja) 蒸気発生装置
CN105814371A (zh) 高温蓄热器
Uniyal et al. Thermal Performance Study of a Copper U-Tube-based Evacuated Tube Solar Water Heater
WO2009147651A2 (fr) Générateur d'énergie solaire
JP2017048265A (ja) 蓄熱材料、蓄熱器および太陽熱発電システム
CN104314780A (zh) 一种新型太阳能热量转换蒸汽热能的发电系统
NL2015295B1 (nl) Systeem voor het opslaan van elektrische energie.
Bhagwat et al. Experimental analysis of a solar dehydration with phase changing material

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 2008558567

Country of ref document: JP

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08878872

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 08878872

Country of ref document: EP

Kind code of ref document: A1