AT504794A4 - HEAT STORAGE - Google Patents
HEAT STORAGE Download PDFInfo
- Publication number
- AT504794A4 AT504794A4 AT0028707A AT2872007A AT504794A4 AT 504794 A4 AT504794 A4 AT 504794A4 AT 0028707 A AT0028707 A AT 0028707A AT 2872007 A AT2872007 A AT 2872007A AT 504794 A4 AT504794 A4 AT 504794A4
- Authority
- AT
- Austria
- Prior art keywords
- flat
- circle
- circuit
- heat
- latent
- Prior art date
Links
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
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
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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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
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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
Description
2-Kreis Latent-Flachspeicher2-circle latent flat storage
Technisches GebietTechnical area
Die Erfindung stellt eine Neuentwicklung auf dem Gebiet Wärmespeicher mit Phasenwechselmaterial (englisch Phace Change Material, kurz PCM) oder Latentspeicher dar.The invention represents a new development in the field of heat storage with phase change material (English Phace Change Material, short PCM) or latent storage.
Stand der TechnikState of the art
Phasenwechselmateralien nutzen zur Wärmespeicherung die latente Wärme des Phasenübergangs zwischen fest und flüssig (Schmelzwärme). Da beim Phasenwechsel große Wärmemengen bei geringer Temperaturänderung gespeichert, bzw. frei werden, finden PCMs zur Temperaturstabilisierung und für den Bau von Wärmespeichem hoher Speicherdichte Verwendung. PCMs können auf zwei Arten in Energiespeicher angewendet werden. Entweder in Module verkapselt in dem Speicher integriert, die dann auch gleichzeitig als Wärmetauscher dienen, oder den Speicher direkt mit PCM zu befüllen und dann über einen geeigneten Wärmetauscher zu be- und entladen.Phase change materials use the latent heat of the phase transition between solid and liquid (heat of fusion) for heat storage. Since the phase change large amounts of heat stored at low temperature change, or become free, find PCMs for temperature stabilization and for the construction of heat storage high storage density use. PCMs can be used in energy storage in two ways. Either encapsulated in modules integrated in the memory, which then also serve as a heat exchanger, or to fill the memory directly with PCM and then loaded and unloaded via a suitable heat exchanger.
Die gegenständliche Erfindung betrifft die zweite Variante und kann z.B. den Ertrag von thermischen Solaranlagen, die der Heizungsunterstüzung dienen, wesentlich verbessern.The subject invention relates to the second variant and may e.g. significantly improve the yield of solar thermal systems that serve the heating support.
Vorteile der Erfindung gegenüber den bereits bekannten SystemenAdvantages of the invention over the already known systems
Als Wärmetauscher wird ein Rohrregister verwendet, dass mit einer aufwendigen Berippung die für die schlechte Wärmeleitung der PCMs notwendige große Wärmetauscher-Oberfläche besitzt. Die Speicherhülle wird der geometrischen Form der Wärmetauscher angepasst, sodaß sich ein hoher PCM-Volumsanteil von Uber 80% ergibt und die flache, kastenförmige Bauform eine äußerst platzsparende Unterbringung ermöglicht.As a heat exchanger, a pipe register is used that has a costly ribbing the necessary for the poor heat conduction of the PCMs large heat exchanger surface. The storage shell is adapted to the geometric shape of the heat exchanger, so that a high PCM volume share of over 80% results and the flat, box-shaped design allows a very space-saving accommodation.
Der Wärmetauscher besitzt 2 Kreise, damit wird das gleichzeitige Laden und Entladen ermöglicht Er besteht aus zwei Paketen in Serie geschalten, dadurch wird eine 2-stufigeWärmespeicherung ermöglichtThe heat exchanger has 2 circuits to allow simultaneous charging and discharging. It consists of two packages connected in series, thus enabling 2-stage heat storage
Beschreibungdescription
In Hg. 1 ist der Speicher im seitlichen Schnitt dargestelltIn Hg. 1, the memory is shown in lateral section
Er besteht aus der Speicherhülle (10) mit eingebauten 1. Wärmetauscherpaket (5) und 2. Wärmetauscherpaket (6). Die Wärmetauscherpakete bestehen aus dem äußeren Wärmeträgerohr (1) mit aufgezogenen Rippen (3) zur Oberflächenvergrößerung.It consists of the storage enclosure (10) with built-in 1st heat exchanger package (5) and 2nd heat exchanger package (6). The heat exchanger packages consist of the outer heat transfer tube (1) with mounted ribs (3) to increase the surface area.
Im äußeren Wärmeträgerrohr befindet sich das innere Wärmeträgerrohr (2). Oben und unten sind die Wärmeträgerrohre mit Verteiler/Sammler (9) für das äußere Rohr und das innere Rohr (8) verbunden. Die Räume zwischen Speicherhülle, den Wärmetauschern und den Rippen (3) ist mit PCM (4) gefüllt Im Raum zwischen den Wärmetauscherpaketen (7) dient das schlecht wärmeleitende PCM zur thermischen Trennung. Die Stege (11) dienen zur Versteifung der Speicherhülle und zur Befestigung der äußeren Verkleidung (12), bei Bedarf feuerfeste Ummantelung. Zwischen Speicherhülle und äußerer Verkleidung befindet sich Isoliermaterial (13).In the outer heat transfer tube is the inner heat transfer tube (2). Above and below the heat transfer tubes with distributor / collector (9) for the outer tube and the inner tube (8) are connected. The spaces between the storage envelope, the heat exchangers and the ribs (3) is filled with PCM (4). In the space between the heat exchanger packages (7), the poorly heat-conducting PCM serves for thermal separation. The webs (11) serve to stiffen the storage enclosure and to attach the outer panel (12), if necessary, refractory sheath. Between memory shell and outer panel is insulating material (13).
In Hg. 2 ist im Schnitt der Aufbau von Verteiler/Sammler (8 und 9) ersichtlich, in Hg. 3 ist das Wärmetauscherpaket von oben gesehen gezeichnet.In Hg. 2, the construction of manifold / collector (8 and 9) can be seen in section, in Hg. 3, the heat exchanger package is drawn from above seen.
In Hg. 4 ist der Speicher von oben gesehen dargestellt, in Hg. 5 von vome gesehen.In FIG. 4 the memory is shown from above, seen from the top in FIG.
Claims (2)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0028707A AT504794B1 (en) | 2007-02-23 | 2007-02-23 | HEAT STORAGE |
CH00240/08A CH701569B1 (en) | 2007-02-23 | 2008-02-20 | Two circular latent-flat storage. |
DE202008002409U DE202008002409U1 (en) | 2007-02-23 | 2008-02-21 | Dual circuit latent flat storage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0028707A AT504794B1 (en) | 2007-02-23 | 2007-02-23 | HEAT STORAGE |
Publications (2)
Publication Number | Publication Date |
---|---|
AT504794A4 true AT504794A4 (en) | 2008-08-15 |
AT504794B1 AT504794B1 (en) | 2008-08-15 |
Family
ID=39400247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT0028707A AT504794B1 (en) | 2007-02-23 | 2007-02-23 | HEAT STORAGE |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT504794B1 (en) |
CH (1) | CH701569B1 (en) |
DE (1) | DE202008002409U1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101865616B (en) * | 2010-06-22 | 2011-10-26 | 合肥天鹅制冷科技有限公司 | Shell and tube type heat exchanger |
DE102010046484A1 (en) * | 2010-09-24 | 2012-03-29 | Rawema Countertrade Handelsgesellschaft Mbh | heat exchangers |
AT514842B1 (en) * | 2013-09-19 | 2015-09-15 | Tech Universität Wien | Apparatus and method for buffering thermal energy |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HUT50704A (en) * | 1987-01-19 | 1990-03-28 | Budapesti Mueszaki Egyetem | Apparatus for heating motor vehicles provided with internal combustion engine particularly buses |
US5220954A (en) * | 1992-10-07 | 1993-06-22 | Shape, Inc. | Phase change heat exchanger |
DE19953113C1 (en) * | 1999-11-04 | 2000-12-07 | Alfred Schneider | Latent heat store has outside surfaces of heat exchanger and/or inside surface of container for heat storage medium provided with sharp edges and/or points |
-
2007
- 2007-02-23 AT AT0028707A patent/AT504794B1/en not_active IP Right Cessation
-
2008
- 2008-02-20 CH CH00240/08A patent/CH701569B1/en not_active IP Right Cessation
- 2008-02-21 DE DE202008002409U patent/DE202008002409U1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE202008002409U1 (en) | 2008-05-15 |
CH701569B1 (en) | 2011-02-15 |
AT504794B1 (en) | 2008-08-15 |
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Effective date: 20140223 |