JPS5974493A - Heat accumulator utilizing solar heat - Google Patents
Heat accumulator utilizing solar heatInfo
- Publication number
- JPS5974493A JPS5974493A JP57183919A JP18391982A JPS5974493A JP S5974493 A JPS5974493 A JP S5974493A JP 57183919 A JP57183919 A JP 57183919A JP 18391982 A JP18391982 A JP 18391982A JP S5974493 A JPS5974493 A JP S5974493A
- Authority
- JP
- Japan
- Prior art keywords
- heat
- medium
- heat storage
- hot water
- latent
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0015—Domestic hot-water supply systems using solar energy
- F24D17/0021—Domestic hot-water supply systems using solar energy with accumulation of the heated water
-
- 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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は太陽熱を潜熱蓄熱材に蓄熱し、給湯加熱に利用
する太陽熱利用蓄熱装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a solar heat storage device that stores solar heat in a latent heat storage material and utilizes it for heating hot water.
従来例の構成とその問題点
従来のこの種の太陽熱利用蓄熱装置は、第1図に示すよ
うに、集熱器1で加熱された熱媒を熱媒ポンプ2によっ
て蓄熱槽3内に設置された蓄熱熱交換器4に搬送して、
潜熱蓄熱材5を加熱するとともに、給湯運転時は給湯熱
交換器6により、潜熱蓄熱材5の熱量を利用して、給湯
水を加熱するようにしていた。Configuration of conventional example and its problems As shown in FIG. 1, this type of conventional solar heat storage device uses a heat medium pump 2 to transfer heat medium heated by a heat collector 1 into a heat storage tank 3. transferred to the regenerative heat exchanger 4,
In addition to heating the latent heat storage material 5, the hot water supply heat exchanger 6 uses the amount of heat of the latent heat storage material 5 to heat the hot water during hot water supply operation.
この場合、蓄熱槽3内で熱媒と蓄熱材5は蓄熱熱交換器
4を介して熱の受授を行なうため、蓄熱性能は蓄熱熱交
換器4の性能に影響されるものであった。そこでこの性
能を確保するためには、蓄熱熱交換器4は伝熱面積を十
分とる必要があり、その結果、大型になってコスト的に
も高くなるという問題を有していた。また潜熱蓄熱材5
は蓄熱槽3内で流動しにくいため、熱交換特性が悪く、
さらに過冷却現象が発生する等の問題点をも有していた
。In this case, since the heat medium and the heat storage material 5 in the heat storage tank 3 exchange heat through the heat storage heat exchanger 4, the heat storage performance is affected by the performance of the heat storage heat exchanger 4. In order to ensure this performance, the regenerative heat exchanger 4 needs to have a sufficient heat transfer area, which results in a problem of increased size and cost. Also, the latent heat storage material 5
Because it is difficult to flow in the heat storage tank 3, the heat exchange characteristics are poor.
Furthermore, there were other problems such as the occurrence of supercooling phenomenon.
発明の目的
本発明は上記従来の問題点に鑑み、熱媒からlf”?熱
蓄熱材へ熱交換を行なう蓄熱熱交換器の性能を確保する
ために、蓄熱熱交換器が大型になって、コスト的に高く
なるという問題点を解消するとともに、潜熱蓄熱材の熱
交換特性を良くすること全目的とするものである。Purpose of the Invention In view of the above-mentioned conventional problems, the present invention is aimed at ensuring the performance of a regenerative heat exchanger that exchanges heat from a heating medium to an lf"? heat storage material. The overall purpose is to solve the problem of high cost and to improve the heat exchange characteristics of the latent heat storage material.
発明の構成
上記目的を達成するために本発明は、蓄熱槽と、この蓄
熱槽内に上部空間を残して貯蔵されたfit熱蓄熱相と
、熱吸収時は液体から気体に、熱放出時は気体から液体
に変わり、かつ前記潜熱蓄熱材より比重の大きい熱媒と
、前記蓄熱槽内の上部空間に入口端を設け、かつ出口端
は蓄熱槽外に出ている熱媒排出管と、太陽熱全集熱する
集熱器と、この集熱器と前記熱媒排出管の間に設置さノ
11、かつ前記熱媒を搬送する圧縮機と、前記集熱27
; ?r出た熱媒の蒸気を前記苦熱槽内の上部空間およ
び前記潜熱蓄熱材内に吹き込むように導く熱媒導入管と
、前記蓄熱槽内の」二部空間に設置され、かつ前記潜熱
蓄熱拐の蓄熱熱量により給湯水全加熱する給湯熱交換器
とにより構成したもので、この構成によれば、集熱器で
加熱された熱媒が熱媒導入管より蓄熱槽内に入って潜熱
蓄熱材を直接加熱し、その後、蓄熱槽の上部空間に上昇
した熱媒蒸気が熱媒排出管より圧縮機によって集熱器に
搬送される動作を行なうため、従来における蓄熱熱交換
器を熱媒導入管と共用することができ、その結果、小型
簡素化がはかれてコスト的にも安価に得ることができる
ものであり、また給湯運転時には、熱媒が蓄熱熱量によ
り蒸気化され、かつ給湯熱交換器により吸熱されて凝縮
液化し、そして潜熱蓄熱材中に落下し、そこで再び蓄熱
熱量により蒸気化されて上昇する過程で潜熱蓄熱材全攪
拌するため、これにより、潜熱蓄熱材の熱交換を促進さ
せることができ、したがって熱交換効率のよい運転を行
なわせることができるとともに、過冷却現象も防止でき
るものである。Structure of the Invention In order to achieve the above object, the present invention includes a heat storage tank, a fit heat storage phase stored in the heat storage tank with an upper space left, and a heat storage phase that changes from a liquid to a gas when absorbing heat and when releasing heat. A heating medium that changes from a gas to a liquid and has a specific gravity higher than that of the latent heat storage material, a heating medium discharge pipe having an inlet end in the upper space of the heat storage tank and an outlet end extending outside the heat storage tank, and a solar heat medium. a heat collector for collecting all heat, a compressor installed between the heat collector and the heat medium discharge pipe, and a compressor for conveying the heat medium, and the heat collector 27.
;? r a heat medium introduction pipe that guides the vapor of the emitted heat medium to be blown into the upper space of the bitter heat tank and the latent heat storage material; This system consists of a hot water heat exchanger that completely heats the hot water using the heat stored in the heat exchanger. According to this configuration, the heat medium heated by the heat collector enters the heat storage tank through the heat medium introduction pipe and stores latent heat. The material is directly heated, and then the heat medium vapor that rises to the upper space of the heat storage tank is conveyed to the heat collector by the compressor through the heat medium discharge pipe, so the conventional heat storage heat exchanger is replaced with the heat medium introduction. It can be used in common with pipes, and as a result, it can be made smaller and simpler, and can be obtained at a lower cost.In addition, during hot water supply operation, the heating medium is vaporized by the stored heat amount, and the hot water supply heat is Heat is absorbed by the exchanger, condenses and liquefies, and then falls into the latent heat storage material, where it is vaporized again due to the amount of heat stored there and in the process of rising, the latent heat storage material is completely stirred. Therefore, operation with high heat exchange efficiency can be performed, and overcooling phenomenon can also be prevented.
実施例の説明
以下、本発明の一実施例を第2図にもとづいて説明する
。図において、11は蓄熱槽で、この蓄熱槽11内には
」二部空間12全残して下方に潜熱蓄熱材13を内蔵し
ている。14は熱媒で、この熱媒14は潜熱蓄熱材13
の熱交換促進材としての役目をなすもので、熱吸収時は
液体から気体に、熱放出時は気体から液体に変わり、か
つ前記潜熱蓄熱材13より比重が大きいものである。1
5は太陽熱全集熱する集熱器、16は集熱器15で加熱
された熱媒を前記蓄熱槽11の上部空間12および前記
潜熱蓄熱材13内に吹き込むように導く熱媒導入管であ
る。17は前記蓄熱槽11の上部空間12に入口端全段
け、かつ出口端は蓄熱槽11外に出ている熱媒排出管で
、この熱媒排出管17の出口端と前記集熱器15との間
には熱媒を搬送させる圧縮機18を設けている。19は
前記蓄熱槽11内の上部空間12に設置された給湯熱交
換器で、この給湯熱交換器19は給湯水全加熱するもの
である。DESCRIPTION OF THE EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG. In the figure, reference numeral 11 denotes a heat storage tank, and inside this heat storage tank 11, a latent heat storage material 13 is built in, leaving the entire two-part space 12 open. 14 is a heating medium, and this heating medium 14 is a latent heat storage material 13
The latent heat storage material 13 acts as a heat exchange promoting material, changes from liquid to gas when absorbing heat, and changes from gas to liquid when releasing heat, and has a higher specific gravity than the latent heat storage material 13. 1
Reference numeral 5 denotes a heat collector that collects all of the solar heat, and reference numeral 16 indicates a heat medium introduction pipe that guides the heat medium heated by the heat collector 15 so as to be blown into the upper space 12 of the heat storage tank 11 and the latent heat storage material 13. Reference numeral 17 denotes a heat medium discharge pipe whose inlet end is fully staged in the upper space 12 of the heat storage tank 11 and whose outlet end is outside the heat storage tank 11. The outlet end of the heat medium discharge pipe 17 and the heat collector 15 A compressor 18 for conveying a heat medium is provided between the two. Reference numeral 19 denotes a hot water heat exchanger installed in the upper space 12 of the heat storage tank 11, and this hot water heat exchanger 19 completely heats the hot water.
上記構成において、蓄熱運転時の動作全説明する。1ず
、圧縮機18を運転させると、熱媒14は集熱器15に
搬送され、かつ太陽熱により加熱される。そして集熱器
15で加熱された熱媒14は熱媒導入管16により、蓄
熱槽11の上部空間12及び潜熱蓄熱材13内に吹き込
まれ、潜熱蓄熱材13を直接加熱する。そして熱媒14
の蒸気は蓄熱槽11の上部空間12に集まり、かつ熱媒
排出管17全通って蓄熱槽11外に出て、再び集熱器1
5に搬送されるものである。In the above configuration, the entire operation during heat storage operation will be explained. First, when the compressor 18 is operated, the heat medium 14 is conveyed to the heat collector 15 and heated by solar heat. The heat medium 14 heated by the heat collector 15 is blown into the upper space 12 of the heat storage tank 11 and the latent heat storage material 13 through the heat medium introduction pipe 16, and directly heats the latent heat storage material 13. and heating medium 14
The steam collects in the upper space 12 of the heat storage tank 11, passes through the entire heat medium discharge pipe 17, exits the heat storage tank 11, and returns to the heat collector 1.
5.
次に給湯運転時の動作を説明すると、給湯水は給湯熱交
換器19により熱交換されて加熱されるもので、この給
湯運転を行なうと、蓄熱熱量により蒸気化された熱媒1
4は給湯熱交換器19により吸熱されて凝縮液化し、そ
して潜熱蓄熱材13より比重が太きいため、蓄熱槽11
の底部へと沈んでいく。この場合、潜熱蓄熱材13は次
々と潜熱全放出するため、熱媒14は蒸気化され、再び
蓄熱槽11の上部空間12へ上昇し、潜熱蓄熱材13を
攪拌しながら給湯熱交換器19に熱を与える。このよう
な動作を繰り返し行なうことによシ給湯水を加熱する。Next, to explain the operation during hot water supply operation, the hot water supply water is heat exchanged and heated by the hot water supply heat exchanger 19. When this hot water supply operation is performed, the heating medium 1 is vaporized by the stored heat amount
4 absorbs heat by the hot water supply heat exchanger 19 and is condensed and liquefied, and has a higher specific gravity than the latent heat storage material 13, so the heat storage tank 11
sinking to the bottom of the In this case, since the latent heat storage material 13 releases all of its latent heat one after another, the heat medium 14 is vaporized and rises again to the upper space 12 of the heat storage tank 11, and is transferred to the hot water heat exchanger 19 while stirring the latent heat storage material 13. give heat. By repeating these operations, the hot water is heated.
このように、本発明の一実施例においては、集熱器15
で太陽熱全集熱し、この太陽熱により加熱された熱媒1
4が、集熱熱量の大部分全入力熱量として、直接潜熱蓄
熱材13を加熱するため、従来における蓄熱熱交換器全
熱媒導入管16と共用することができ、その結果、小型
・簡素化がC1、かれてコスト的にも安くなるものであ
る。ilt熱出力としての給湯運転を行な−た場合は、
熱媒14が潜熱蓄熱材13を攪拌する作用をなすため、
これにより、潜熱蓄熱材13の熱交換を促進きせること
かでき、したがって熱交換効率のよい、運転全行なわせ
ることができるとともに、過冷却現象も防止できるもの
である。Thus, in one embodiment of the present invention, the heat collector 15
The heating medium 1 is heated by the solar heat, which is heated by the solar heat.
4 directly heats the latent heat storage material 13 as the total input heat amount, which is the majority of the collected heat amount, so it can be used in common with the conventional heat storage heat exchanger total heat medium introduction pipe 16, and as a result, it is made smaller and simpler. However, C1 is also lower in cost. When hot water supply operation is performed as ilt heat output,
Since the heating medium 14 acts to stir the latent heat storage material 13,
Thereby, heat exchange of the latent heat storage material 13 can be promoted, and therefore, the entire operation can be carried out with high heat exchange efficiency, and supercooling phenomenon can also be prevented.
発明の効果
以上のように、本発明によれば、集熱器で加熱された熱
媒が熱媒導入管より蓄熱槽内に入って潜熱蓄熱材を直接
加熱し、その後、蓄熱槽の上部空間に上昇した熱媒蒸気
が熱媒排出管より圧縮機によって集熱器に搬送される動
作を行なうため、従来における蓄熱熱交換器も熱媒導入
管と共用することができ、その結果、小型・簡素化がは
かれてコスト的にも安価に得ることができ、丑だ給湯運
転時には、熱媒が蓄熱熱量により蒸気化され、かつ給湯
熱交換器により吸熱されて凝縮液下し、そして潜熱蓄熱
材中に落下し、そこで再び蓄熱熱量により蒸気化されて
上昇する過程で潜熱蓄熱材を攪拌するため、これにより
、潜熱蓄熱材の熱交換全促進させることができ、したが
って熱交換効率のよい運転を行なわせることができると
ともに、過冷却現象も防止できるもので廊る。Effects of the Invention As described above, according to the present invention, the heat medium heated by the heat collector enters the heat storage tank through the heat medium introduction pipe, directly heats the latent heat storage material, and then fills the upper space of the heat storage tank. Since the heat medium vapor that rises to the heat medium discharge pipe is conveyed to the heat collector by the compressor, the conventional thermal storage heat exchanger can also be used as the heat medium introduction pipe. It is simplified and can be obtained at a low cost, and during hot water supply operation, the heat medium is vaporized by the amount of heat stored, heat is absorbed by the hot water heat exchanger, and the condensate is released, and the latent heat is stored. The latent heat storage material is agitated in the process of falling into the material, where it is vaporized again by the amount of stored heat, and rising. This can fully promote heat exchange of the latent heat storage material, and therefore, operation with high heat exchange efficiency can be achieved. It is possible to prevent overcooling as well as to prevent overcooling.
第1図は従来例を示す太陽熱利用蓄熱装置のシステム構
成図、第2図は本発明の一実施例を示す太陽熱利用蓄熱
装置のシステム構成図である。
11・・・・・蓄熱槽、12・・・・・上部空間、13
・旧・・潜熱蓄熱材、14・・・・・・熱媒、15・・
・・・集熱器、16・・・・・・熱媒導入管、17・・
・・・・熱媒排出管、18゛°°゛°°圧縮機、19・
・・・給湯熱交換器。
代理人の氏名 弁理士 中 尾 敏 男 はが1基量
1 図
県 2 区FIG. 1 is a system configuration diagram of a solar heat storage device that shows a conventional example, and FIG. 2 is a system configuration diagram of a solar heat storage device that shows an embodiment of the present invention. 11... Heat storage tank, 12... Upper space, 13
・Old... Latent heat storage material, 14... Heat medium, 15...
... Heat collector, 16 ... Heat medium introduction pipe, 17 ...
...heat medium discharge pipe, 18゛°°゛°°compressor, 19.
...Hot water heat exchanger. Name of agent: Patent attorney Toshio Nakao
1 map prefecture 2 ward
Claims (1)
潜熱蓄熱材と、熱吸収時は液体から気体に、熱放出時は
気体から液体にかわり、かつ前記外に出ている熱媒抽出
管と、太陽熱を集熱する集熱器と、この集熱器と前記熱
媒排出管の間に設置きれ、かつ前記熱媒を搬送する圧縮
機と、前記集熱器で加熱された熱媒を前記蓄熱槽内の上
部空間および前記潜熱蓄熱材内に吹き込むように導く熱
媒導入管と、前記蓄熱槽内の上部空間に設置され、かつ
前記潜熱蓄熱材の蓄熱熱量により給湯水を加熱する給湯
熱交換器とにより構成した太陽熱利用蓄熱装置。A heat storage tank, a latent heat storage material stored with an upper space left in the heat storage tank, and a heat medium that changes from a liquid to a gas when absorbing heat, and from gas to a liquid when releasing heat, and which is exposed outside. an extraction pipe, a heat collector that collects solar heat, a compressor that is installed between the heat collector and the heat medium discharge pipe and that transports the heat medium, and the heat heated by the heat collector. A heat medium introduction pipe that guides a medium to be blown into the upper space in the heat storage tank and into the latent heat storage material, and a heat medium introduction pipe that is installed in the upper space in the heat storage tank and heats hot water by the amount of heat stored in the latent heat storage material. A solar heat storage device consisting of a hot water heat exchanger and a hot water heat exchanger.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57183919A JPS5974493A (en) | 1982-10-19 | 1982-10-19 | Heat accumulator utilizing solar heat |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57183919A JPS5974493A (en) | 1982-10-19 | 1982-10-19 | Heat accumulator utilizing solar heat |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5974493A true JPS5974493A (en) | 1984-04-26 |
Family
ID=16144103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57183919A Pending JPS5974493A (en) | 1982-10-19 | 1982-10-19 | Heat accumulator utilizing solar heat |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5974493A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012127574A (en) * | 2010-12-15 | 2012-07-05 | Hitachi Plant Technologies Ltd | Solar heat utilization system and its control method |
GB2510375A (en) * | 2013-01-31 | 2014-08-06 | Basic Holdings | Hot water system comprising a heat source and a tank including a phase change material |
-
1982
- 1982-10-19 JP JP57183919A patent/JPS5974493A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012127574A (en) * | 2010-12-15 | 2012-07-05 | Hitachi Plant Technologies Ltd | Solar heat utilization system and its control method |
GB2510375A (en) * | 2013-01-31 | 2014-08-06 | Basic Holdings | Hot water system comprising a heat source and a tank including a phase change material |
GB2510375B (en) * | 2013-01-31 | 2017-09-13 | Basic Holdings | Heating system and thermal energy store |
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