CN102168892A - Tank-free flat type phase change heat storage solar heat utilization unit - Google Patents
Tank-free flat type phase change heat storage solar heat utilization unit Download PDFInfo
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- CN102168892A CN102168892A CN2011101409604A CN201110140960A CN102168892A CN 102168892 A CN102168892 A CN 102168892A CN 2011101409604 A CN2011101409604 A CN 2011101409604A CN 201110140960 A CN201110140960 A CN 201110140960A CN 102168892 A CN102168892 A CN 102168892A
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- 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
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/25—Solar heat collectors using working fluids having two or more passages for the same working fluid layered in direction of solar-rays, e.g. having upper circulation channels connected with lower circulation channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/74—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other
- F24S10/746—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other the conduits being spirally coiled
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/10—Arrangements for storing heat collected by solar heat collectors using latent heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
- F24S70/225—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption for spectrally selective absorption
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
- F24S70/25—Coatings made of metallic material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/50—Elements for transmitting incoming solar rays and preventing outgoing heat radiation; Transparent coverings
- F24S2080/501—Special shape
- F24S2080/502—Special shape in the form of multiple covering elements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Sustainable Development (AREA)
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
本发明涉及一种无水箱平板式相变储热型太阳能热利用装置，该装置应用于中低温太阳能热利用领域。一种无水箱平板式相变储热型太阳能热利用装置，其特征在于它包括金属外壳、金属容器、换热管道、热电偶、辅助加热板、双层透明真空盖板；金属容器位于金属外壳内，金属容器与金属外壳之间构成密封的保温腔；换热管道位于金属容器内，换热管道布置成2-10层；金属容器内设有热电偶、辅助加热板；金属容器内封装有相变储热材料，换热管道、热电偶、辅助加热板均埋设于相变储热材料之中；金属容器的上表面喷涂有选择性吸收涂层，双层透明真空盖板盖在金属容器上。该装置具有安装和连接方便、储/换热效率较高的特点。
The invention relates to a tankless plate type phase change heat storage type solar heat utilization device, which is applied to the field of medium and low temperature solar heat utilization. A tankless plate type phase change heat storage type solar thermal utilization device is characterized in that it includes a metal shell, a metal container, a heat exchange pipe, a thermocouple, an auxiliary heating plate, and a double-layer transparent vacuum cover plate; the metal container is located in the metal shell Inside, a sealed insulation cavity is formed between the metal container and the metal shell; the heat exchange pipe is located in the metal container, and the heat exchange pipe is arranged in 2-10 layers; the metal container is equipped with a thermocouple and an auxiliary heating plate; the metal container is packaged with Phase change heat storage materials, heat exchange pipes, thermocouples, and auxiliary heating plates are all buried in the phase change heat storage materials; the upper surface of the metal container is sprayed with a selective absorption coating, and the double-layer transparent vacuum cover is covered on the metal container superior. The device has the characteristics of convenient installation and connection, and high heat storage/exchange efficiency.
Description
Technical field
The present invention relates to the flat phase-change thermal storage type of a kind of no water tank solar energy heat utilization device, this device is applied to middle low-temperature solar energy heat utilization field, and the difference according to working media in the device can be used to provide domestic hot-water, premises heating, agricultural product drying etc.
Background technology
The energy is the basis that the mankind depend on for existence and development, and sustainable development is all human common hope and objectives of the struggle.Developing regenerative resource energetically is to set up the topmost policies and measures of sustainable development energy resource system, also is the long-term energy development strategy of China.In various regenerative resources, solar energy is subjected to paying close attention to widely with the spatter property of its unique reserves " unlimitedness ", the generality that exists and development and use.
In China, solar energy resources is very abundant, and solar energy year, the irradiation total amount was greater than 5000MJ/m
2, a year sunshine amount accounts for more than 2/3 of China's territory total area in the area more than the 2200h; The solar energy that year face of land, the whole nation absorbs is equivalent to 1.7 trillion tons of standard coals, is equivalent to more than 1000 times of China's year consumes energy total amount; Especially western China, solar energy resources is particularly abundant, has excellent development condition and using value.
The plate type solar heat utilization device is a kind of important way of middle low-temperature solar energy heat utilization, mainly contains solar water heater, solar energy air heat collector etc., have good looking appearance, durable in use, easy for installation, with advantages such as building easily combines.Existing plate type solar heat utilization device mainly is made up of transparent cover plate, absorber plate, heat exchange pipeline and insulation shell, and wherein the flat solar water heater also is equipped with heat storage water tank.Because area of dissipation is big and lack corrective measure preferably (at present based on increase transparent honeycomb structure between double-layer cover plate), flat solar energy heat utilization device exists heat loss big, the shortcoming that collecting efficiency is low, and the plate type solar air collector does not possess the function of heat accumulation, can not work under the situations such as wet weather, night.Although the flat solar water heater adopts the water tank heat accumulation, the storage density of water is low, causes the volume of water tank excessive, and inconvenience is installed, easily fouling in water tank of the water capacity in addition, and long-term use is unfavorable to people's health, and water also freezes easily, makes device freezing tolerance variation.
Existing relevant invention or utility model patent.Number of patent application is that the patent of invention of CN200510040068.3 is characterized by between the absorber plate of classic flat-plate formula air collector and base plate and fills heat accumulating, and V-type absorber plate and adjacent wall constitute air flow channel.Do not possess heat exchange pipeline in this device, therefore can only be with air as working media.In addition, the canister of encapsulation phase-change heat-storage material places V-type absorber plate below, and the heat-transfer surface of V-type absorber plate and canister and air dielectric and canister is all little.Number of patent application is that the utility model of CN200520099985.4 is characterized by and can be positioned in the solar water heater heat storage water tank, is packaged with the phase-change heat-storage material circular cylinder, does not relate to the design of solar energy heat utilization device.Number of patent application is the patent of invention of CN03103084.X, though that number of patent application is the utility model of CN98233848.1, CN200320113612.9 etc. is all relevant with the flat solar water heater, does not all consider phase-change heat-storage material is applied to wherein.Number of patent application is that the utility model of CN200420093163.0 is characterized by a kind of plate type solar heating (hot water) device with heat accumulation function, but its absorber plate is that of double-layer vacuum plane skylight is film-coated single-faced, and absorber plate does not directly contact with phase-change heat-storage material; Phase-change heat-storage material is packaged in the black matrix heat accumulating element, and heat exchanger tube adopts coil arrangement, comes heat exchange by heat-conducting medium between heat exchanger tube and the heat accumulating element, also is not direct contact heat-exchanging.Zhou Zhigang, He Zinian etc. inquire into the solar water heater of heat storage type, but its thermal-arrest mode all adopts the vacuum tube thermal-arrest.
Summary of the invention
The purpose of this invention is to provide the flat phase-change thermal storage type of a kind of no water tank solar energy heat utilization device, this device has to be installed and characteristics easy to connect, that storage/heat exchange efficiency is higher.
To achieve these goals, technical scheme of the present invention is: the flat phase-change thermal storage type of a kind of no water tank solar energy heat utilization device is characterized in that it comprises metal shell 1, canister 3, heat exchange pipeline 5, thermocouple 7, auxiliary heating plate 9, double-deck transparent vacuum cover plate 10; The upper end of metal shell 1 is an openend, and canister 3 is positioned at metal shell 1, and the upper end of metal shell 1 and canister 3 welding are fixing, constitutes the incubation cavity of sealing between canister 3 and the metal shell 1, is filled with insulation material 2 in the incubation cavity; One side of canister 3 and metal shell 1 all has the inlet union hole, the outlet connection hole, the holding wire hole of thermocouple, the wire guide of auxiliary heating plate, the inlet union hole on the metal shell 1 is passed in the inner of inlet union 6, be positioned at canister 3 behind the inlet union hole on the canister 3, inlet union 6 is positioned at the top of outlet connection 8, inlet union 6 is fixing with canister 3 and metal shell 1 welding respectively, the outlet connection hole on the metal shell 1 is passed in the inner of outlet connection 8, be positioned at canister 3 behind the outlet connection hole on the canister 3, outlet connection 8 is fixing with canister 3 and metal shell 1 welding respectively; Heat exchange pipeline 5 is positioned at canister 3, and heat exchange pipeline 5 is arranged to the 2-10 layer, and the entrance point of heat exchange pipeline 5 is connected with the inner of inlet union 6, and the port of export of heat exchange pipeline 5 is connected with the inner of outlet connection 8; Be provided with thermocouple 7, auxiliary heating plate 9 in the canister 3, the holding wire of thermocouple passes the holding wire hole on canister 3 and the metal shell 1, and the lead of auxiliary heating plate 9 passes the wire guide on canister 3 and the metal shell 1; Be packaged with phase-change heat-storage material 4 in the canister 3, heat exchange pipeline 5, thermocouple 7, auxiliary heating plate 9 all are embedded among the phase-change heat-storage material; The upper surface of canister 3 is coated with coating for selective absorption 11, and double-deck transparent vacuum cover plate 10 covers on canister 3.
The material of described coating for selective absorption is black nickel chromium triangle.
Described phase-change heat-storage material is paraffin C23, Na
2SO
410H
2O, Ba
2(OH)
28H
2O, polyglycerol E6000 or pentaerythrite.
The material of described metal shell adopts aluminium alloy, and the material of double-deck transparent vacuum cover plate adopts low float glass, and the material of canister is a stainless steel, and the material of heat exchange pipeline is a copper tube.
Every layer heat exchange pipeline becomes snakelike layout, and every layer heat exchange pipeline is welded to each other by U type metallic conduit and is formed by connecting, and is wound with copper wire between U type metallic conduit and the U type metallic conduit.
Described thermocouple 7 is positioned at the bottom of canister 3.
The invention has the beneficial effects as follows: this device is a basic boom with classic flat-plate formula solar energy heat utilization device, therefore have good looking appearance, installation and easy to connect, durable in use, with building combining form advantage flexibly; Coating for selective absorption directly is coated in the last outer surface of encapsulation phase-change heat-storage material canister, therefore the heat that absorbs of coating for selective absorption can pass to phase-change heat-storage material very soon, has avoided coating for selective absorption Yin Wendu too high and cause the radiation heat loss excessive; Between coating for selective absorption and the phase-change heat-storage material, all be direct contact heat-exchanging between phase-change heat-storage material and the heat exchange pipeline, improved heat exchange efficiency (storage/heat exchange efficiency is higher); Transparent cover plate adopts the double-layer vacuum structure, and the insulation material around the adapting device is heat insulation, has effectively reduced the loss of device heat, has improved efficiency of utilization; As heat-storage medium, the volume and the cost of solar energy heat utilization device greatly reduce, and can prolong heating time with the phase-change heat-storage material of high heat storage ability, at night or overcast and rainyly still can use; Problems such as easy fouling when having eliminated with water as heat-storage medium, low temperature easily freeze, the security that has improved device.
Description of drawings
Fig. 1 is stereogram of the present invention (broken section).
Fig. 2 is the structural representation (front view) of this device;
Fig. 3 is the left view of this device;
Fig. 4 is the vertical view of this device;
Fig. 5 is the schematic diagram of auxiliary heating plate.
Among the figure: the 1-metal shell, the 2-insulation material, the 3-canister, the 4-phase-change heat-storage material, the 5-heat exchange pipeline, the 6-inlet union, the 7-thermocouple, the 8-outlet connection, 9-assists heating plate, the double-deck transparent vacuum cover plate of 10-, 11-coating for selective absorption.
The specific embodiment
For a better understanding of the present invention, the invention will be further described below in conjunction with accompanying drawing.
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, the flat phase-change thermal storage type of a kind of no water tank solar energy heat utilization device, it comprises metal shell 1, canister 3, heat exchange pipeline 5, thermocouple 7, auxiliary heating plate 9, double-deck transparent vacuum cover plate 10; The upper end of metal shell 1 is an openend, canister 3 is positioned at metal shell 1 (canister is a case structure), the upper end of metal shell 1 and canister 3 welding are fixing, constitute the incubation cavity (being provided with reinforcement in the incubation cavity) of sealing between canister 3 and the metal shell 1, be filled with insulation material 2 in the incubation cavity to guarantee the fixing and support of 1 pair of canister of metal shell; One side of canister 3 and metal shell 1 all has the inlet union hole, the outlet connection hole, the holding wire hole of thermocouple, the wire guide of auxiliary heating plate, the inlet union hole on the metal shell 1 is passed in the inner of inlet union 6, be positioned at canister 3 behind the inlet union hole on the canister 3, inlet union 6 is positioned at the top (being that entrance point is positioned near absorber coatings) of outlet connection 8, inlet union 6 is fixed with canister 3 and metal shell 1 seal welding respectively, the outlet connection hole on the metal shell 1 is passed in the inner of outlet connection 8, be positioned at canister 3 behind the outlet connection hole on the canister 3, outlet connection 8 is fixed with canister 3 and metal shell 1 seal welding respectively; Heat exchange pipeline 5 is positioned at canister 3, and heat exchange pipeline 5 is arranged to the 2-10 layer, and [this example is two-layer, and the concrete number of plies is determined according to the size of canister; Every layer heat exchange pipeline becomes snakelike layout, and (every layer is interconnected by U type metallic conduit and to form, and this example is every layer 15 row U type metallic conduit, communicates between every layer of U type metallic conduit, and employing is welded to connect; Also adopt between layer and the layer and be welded to connect; Every layer of metallic conduit adopts the mode one-shot forming of clod wash, twines copper wire between the pipeline with augmentation of heat transfer)], the entrance point of heat exchange pipeline 5 is connected with the inner of inlet union 6, and the port of export of heat exchange pipeline 5 is connected with the inner of outlet connection 8; Be provided with thermocouple 7, auxiliary heating plate (or claiming heater) 9 in the canister 3, the holding wire of thermocouple passes the holding wire hole (sealing of place, holding wire hole) on canister 3 and the metal shell 1, and the lead of auxiliary heating plate 9 passes the wire guide (sealing of wire guide place) on canister 3 and the metal shell 1; Be packaged with phase-change heat-storage material 4 in the canister 3, heat exchange pipeline 5, thermocouple 7, auxiliary heating plate 9 all are embedded among the phase-change heat-storage material; Described thermocouple 7 is positioned at the bottom of canister 3; The upper surface of canister 3 is coated with coating for selective absorption 11, and double-deck transparent vacuum cover plate 10 covers on canister 3.
The material of described coating for selective absorption 11 is black nickel chromium triangle.
When shining upon, solar radiation sees through double-deck transparent vacuum cover plate 10 and is absorbed by selectivity absorber coatings 11, coating for selective absorption 11 passes to phase-change heat-storage material very soon with heat, phase-change heat-storage material temperature near coating for selective absorption 11 raises, simultaneously heat is to from coating for selective absorption 11 phase-change heat-storage material transmission at a distance, phase-change heat-storage material fusing and store a large amount of heats when temperature meets or exceeds the phase-change heat-storage material fusing point.Because the heat that coating for selective absorption 11 absorbs constantly is delivered in the phase-change heat-storage material, the temperature of coating for selective absorption 11 can be very not high, thereby reduced the radiation heat loss of coating for selective absorption 11, because double-deck transparent vacuum cover plate 10 of employing and insulation material are heat insulation, the heat loss of whole device greatly reduces simultaneously.
During heat release, cold air heat exchange in import department's access to plant of heat exchange pipeline 5, import department is near coating for selective absorption 11, so temperature is higher.Because heat exchange pipeline adopts the good copper tube of thermal conductivity, to add and adopt the multilayer heat exchange pipeline to prolong heat exchange stroke and the augmentation of heat transfer of thin copper wire between phase-change heat-storage material, air is heated to certain serviceability temperature.Thermocouple is far away from coating for selective absorption 11 and auxiliary heating plate, mainly shown the temperature of the phase-change heat-storage material in close heat exchanger tube exit (temperature is low than other place) in the device, if displays temperature is lower than the phase-change heat-storage material fusing point, then show not fusing or the partial coagulation fully of phase-change heat-storage material in the device.If long-term overcast and rainy when maybe needing the heat that uses excessive, auxiliary heating plate energising work, heat fused phase-change heat-storage material store heat.Thermocouple cooperates corresponding attemperating unit, and whether the work that can control auxiliary heating plate be no more than the maximum operation (service) temperature of phase-change heat-storage material with the temperature in the assurance device.
Phase-change heat-storage material is paraffin C23, and heat transferring medium is a room temperature cold water, and the density of heat accumulating is 810kg/m
3, latent heat of phase change is 170kJ/kg, the phase transition temperature scope is 40～50 ℃.Fill when hot, heat accumulating undergoes phase transition after absorbing the heat energy that solar radiation changes; During heat release, feed room temperature (20 ℃) cold water in import department, water is about 0.5m/s at velocity in pipes, and the exit water temperature is 38 ℃ after the heat exchange, and heat exchanging process is abundant, reversible in the device, the heat exchange efficiency height, and this heat-storing device heat exchange efficiency is higher, can reach 80-82%.Can be used as the solar thermal utilization regenerative apparatus.
The phase-change heat-storage material that adopts in the said apparatus is Ba
2(OH)
28H
2O, heat transferring medium are cold water, and the density of heat accumulating is 2000kg/m
3, latent heat of phase change is 267kJ/kg, the phase transition temperature scope is 78～88 ℃.Fill when hot, heat accumulating undergoes phase transition under solar radiation, during heat release, feed 20 ℃ of cold water in import department, water is about 0.5m/s at velocity in pipes, and the exit coolant-temperature gage is 72 ℃ after the heat exchange, heat exchanging process is abundant, reversible in the device, the heat exchange efficiency height, and heat exchange efficiency reaches 82-85%.Can be used as the solar thermal utilization regenerative apparatus.
Embodiment 4
Embodiment 4 is substantially the same manner as Example 1, and difference is:
The phase-change heat-storage material that adopts in the said apparatus is polyglycerol E6000, and heat transferring medium is an air at room temperature, and the density of heat accumulating is 1200kg/m
3, latent heat of phase change is 185kJ/kg, the phase transition temperature scope is 63～70 ℃.Fill when hot, heat accumulating absorbs solar radiation and undergoes phase transition, and during heat release, feeds air at room temperature in import department, and the exit air themperature is 64 ℃ after the heat exchange, and heat exchanging process is abundant, reversible in the device, and heat exchange efficiency height, heat exchange efficiency are 80-83%.。Can be used as the solar thermal utilization regenerative apparatus.
The phase-change heat-storage material that adopts in the said apparatus is pentaerythrite (PE), and heat transferring medium is a conduction oil, and the density of heat accumulating is 1400kg/m
3, latent heat of phase change is 211kJ/kg, the phase transition temperature scope is 254～261 ℃.Fill when hot, the heating of employing Photospot solar, heat accumulating absorbs solar radiation and undergoes phase transition, during heat release, at the conduction oil of 20 ℃ of import department's feedings, conduction oil is about 0.5m/s at velocity in pipes, conduction oil temperature in exit is 249 ℃ after the heat exchange, heat exchanging process is abundant, reversible in the device, and heat exchange efficiency height, heat exchange efficiency are 81-83%.Can be used as the solar thermal utilization regenerative apparatus.
Claims (6)
1. the flat phase-change thermal storage type of a no water tank solar energy heat utilization device is characterized in that it comprises metal shell (1), canister (3), heat exchange pipeline (5), thermocouple (7), auxiliary heating plate (9), double-deck transparent vacuum cover plate (10); The upper end of metal shell (1) is an openend, canister (3) is positioned at metal shell (1), the upper end of metal shell (1) and canister (3) welding are fixing, constitute the incubation cavity of sealing between canister (3) and the metal shell (1), are filled with insulation material (2) in the incubation cavity; One side of canister (3) and metal shell (1) all has the inlet union hole, the outlet connection hole, the holding wire hole of thermocouple, the wire guide of auxiliary heating plate, the inlet union hole on the metal shell (1) is passed in the inner of inlet union (6), be positioned at canister (3) behind the inlet union hole on the canister (3), inlet union (6) is positioned at the top of outlet connection (8), inlet union (6) is fixing with canister (3) and metal shell (1) welding respectively, the outlet connection hole on the metal shell (1) is passed in the inner of outlet connection (8), be positioned at canister (3) behind the outlet connection hole on the canister (3), outlet connection (8) is fixing with canister (3) and metal shell (1) welding respectively; Heat exchange pipeline (5) is positioned at canister (3), and heat exchange pipeline (5) is arranged to the 2-10 layer, and the entrance point of heat exchange pipeline (5) is connected with the inner of inlet union (6), and the port of export of heat exchange pipeline (5) is connected with the inner of outlet connection (8); Be provided with thermocouple (7), auxiliary heating plate (9) in the canister (3), the holding wire of thermocouple passes the holding wire hole on canister (3) and the metal shell (1), and the lead of auxiliary heating plate (9) passes the wire guide on canister (3) and the metal shell (1); Be packaged with phase-change heat-storage material (4) in the canister (3), heat exchange pipeline (5), thermocouple (7), auxiliary heating plate (9) all are embedded among the phase-change heat-storage material; The upper surface of canister (3) is coated with coating for selective absorption (11), and double-deck transparent vacuum cover plate (10) covers on canister (3).
2. the flat phase-change thermal storage type of a kind of no water tank according to claim 1 solar energy heat utilization device is characterized in that: the material of described coating for selective absorption is black nickel chromium triangle.
3. the flat phase-change thermal storage type of a kind of no water tank according to claim 1 solar energy heat utilization device, it is characterized in that: described phase-change heat-storage material is paraffin C23, Na
2SO
410H
2O, Ba
2(OH)
28H
2O, polyglycerol E6000 or pentaerythrite.
4. the flat phase-change thermal storage type of a kind of no water tank according to claim 1 solar energy heat utilization device, it is characterized in that: the material of described metal shell adopts aluminium alloy, the material of double-deck transparent vacuum cover plate adopts low float glass, the material of canister is a stainless steel, and the material of heat exchange pipeline is a copper tube.
5. the flat phase-change thermal storage type of a kind of no water tank according to claim 1 solar energy heat utilization device, it is characterized in that: every layer heat exchange pipeline becomes snakelike layout, every layer heat exchange pipeline is welded to each other by U type metallic conduit and is formed by connecting, and is wound with copper wire between U type metallic conduit and the U type metallic conduit.
6. the flat phase-change thermal storage type of a kind of no water tank according to claim 1 solar energy heat utilization device, it is characterized in that: described thermocouple is positioned at the bottom of canister.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101409604A CN102168892A (en) | 2011-05-27 | 2011-05-27 | Tank-free flat type phase change heat storage solar heat utilization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101409604A CN102168892A (en) | 2011-05-27 | 2011-05-27 | Tank-free flat type phase change heat storage solar heat utilization unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102168892A true CN102168892A (en) | 2011-08-31 |
Family
ID=44490151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101409604A Pending CN102168892A (en) | 2011-05-27 | 2011-05-27 | Tank-free flat type phase change heat storage solar heat utilization unit |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384592A (en) * | 2011-11-15 | 2012-03-21 | 江苏同盛环保技术有限公司 | Novel solar air heat collector device with permeable trapezoid structure |
| CN102410638A (en) * | 2011-11-15 | 2012-04-11 | 江苏同盛环保技术有限公司 | Solar air heat collector device for new type penetration wavy structure |
| CN102878702A (en) * | 2012-09-16 | 2013-01-16 | 黄锦熙 | Integral phase change heat storage type solar water heater for building and method for constructing integral phase change heat storage type solar water heater |
| CN103335417A (en) * | 2013-07-15 | 2013-10-02 | 江苏力源太阳能有限公司 | Vacuum tube pressure-bearing water heater without hot water storage tank |
| CN103453673A (en) * | 2012-05-28 | 2013-12-18 | 骆俊光 | Solar heat storage device and solar power generation device |
| CN103542756A (en) * | 2013-10-24 | 2014-01-29 | 镇江新梦溪能源科技有限公司 | Laminated heat-storage device |
| CN104185768A (en) * | 2012-06-01 | 2014-12-03 | 株式会社吴羽 | Pyrolysis furnace and method for producing pyrolysis product |
| CN104300877A (en) * | 2014-09-16 | 2015-01-21 | 广东工业大学 | A concentrating solar photovoltaic-thermoelectricity-waste heat integrated system |
| CN104654625A (en) * | 2013-11-21 | 2015-05-27 | 珠海兴业节能科技有限公司 | Flat plate solar water heater without water tank based on light condensation and phase-change heat storage |
| CN104807226B (en) * | 2015-05-11 | 2017-03-29 | 恒溢科技节能环保（深圳）有限公司 | Water circulation reuse air conditioning system based on thermal insulation water tank |
| CN107883592A (en) * | 2017-11-07 | 2018-04-06 | 桑夏太阳能股份有限公司 | A kind of heat pipe type solar glass heat-collecting vacuum tube with heat-storing material |
| CN109631358A (en) * | 2018-10-26 | 2019-04-16 | 王建英 | A kind of heat-storage thermal-insulation plate for wall-hanging solar energy |
| CN109661051A (en) * | 2019-01-31 | 2019-04-19 | 武汉理工大学 | A kind of thermo electric material device with function of temperature control |
| CN110230893A (en) * | 2018-03-05 | 2019-09-13 | 江苏梦溪智能环境科技有限公司 | A kind of solar energy storage utilization design |
| CN114877736A (en) * | 2020-11-24 | 2022-08-09 | 长沙理工大学 | Multistage phase change heat storage system with light/electricity-heat self-conversion function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102384592A (en) * | 2011-11-15 | 2012-03-21 | 江苏同盛环保技术有限公司 | Novel solar air heat collector device with permeable trapezoid structure |
| CN102410638A (en) * | 2011-11-15 | 2012-04-11 | 江苏同盛环保技术有限公司 | Solar air heat collector device for new type penetration wavy structure |
| CN102410638B (en) * | 2011-11-15 | 2013-03-27 | 江苏同盛环保技术有限公司 | Solar air heat collector device for new type penetration wavy structure |
| CN103453673A (en) * | 2012-05-28 | 2013-12-18 | 骆俊光 | Solar heat storage device and solar power generation device |
| CN104185768A (en) * | 2012-06-01 | 2014-12-03 | 株式会社吴羽 | Pyrolysis furnace and method for producing pyrolysis product |
| CN102878702A (en) * | 2012-09-16 | 2013-01-16 | 黄锦熙 | Integral phase change heat storage type solar water heater for building and method for constructing integral phase change heat storage type solar water heater |
| CN103335417A (en) * | 2013-07-15 | 2013-10-02 | 江苏力源太阳能有限公司 | Vacuum tube pressure-bearing water heater without hot water storage tank |
| CN103335417B (en) * | 2013-07-15 | 2016-03-30 | 江苏力源太阳能有限公司 | Without heat storage water tank vacuum tube pressure-loaded water-heater |
| CN103542756A (en) * | 2013-10-24 | 2014-01-29 | 镇江新梦溪能源科技有限公司 | Laminated heat-storage device |
| CN103542756B (en) * | 2013-10-24 | 2015-04-01 | 镇江新梦溪能源科技有限公司 | Laminated heat-storage device |
| CN104654625A (en) * | 2013-11-21 | 2015-05-27 | 珠海兴业节能科技有限公司 | Flat plate solar water heater without water tank based on light condensation and phase-change heat storage |
| CN104300877A (en) * | 2014-09-16 | 2015-01-21 | 广东工业大学 | A concentrating solar photovoltaic-thermoelectricity-waste heat integrated system |
| CN104807226B (en) * | 2015-05-11 | 2017-03-29 | 恒溢科技节能环保（深圳）有限公司 | Water circulation reuse air conditioning system based on thermal insulation water tank |
| CN107883592A (en) * | 2017-11-07 | 2018-04-06 | 桑夏太阳能股份有限公司 | A kind of heat pipe type solar glass heat-collecting vacuum tube with heat-storing material |
| CN110230893A (en) * | 2018-03-05 | 2019-09-13 | 江苏梦溪智能环境科技有限公司 | A kind of solar energy storage utilization design |
| CN109631358A (en) * | 2018-10-26 | 2019-04-16 | 王建英 | A kind of heat-storage thermal-insulation plate for wall-hanging solar energy |
| CN109661051A (en) * | 2019-01-31 | 2019-04-19 | 武汉理工大学 | A kind of thermo electric material device with function of temperature control |
| CN109661051B (en) * | 2019-01-31 | 2021-08-03 | 武汉理工大学 | An electrothermal material device with temperature control function |
| CN114877736A (en) * | 2020-11-24 | 2022-08-09 | 长沙理工大学 | Multistage phase change heat storage system with light/electricity-heat self-conversion function |
| CN114877736B (en) * | 2020-11-24 | 2025-01-28 | 长沙理工大学 | A multi-stage phase change heat storage system for light/electricity-heat self-conversion |
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