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WO2003019099A1 - Bloc accumulateur de chaleur latente comportant un organe d'arret empechant sensiblement l'ecoulement - Google Patents

Bloc accumulateur de chaleur latente comportant un organe d'arret empechant sensiblement l'ecoulement Download PDF

Info

Publication number
WO2003019099A1
WO2003019099A1 PCT/EP2001/009801 EP0109801W WO03019099A1 WO 2003019099 A1 WO2003019099 A1 WO 2003019099A1 EP 0109801 W EP0109801 W EP 0109801W WO 03019099 A1 WO03019099 A1 WO 03019099A1
Authority
WO
WIPO (PCT)
Prior art keywords
latent heat
heat storage
storage unit
unit according
line
Prior art date
Application number
PCT/EP2001/009801
Other languages
German (de)
English (en)
Inventor
Ronald Strasser
Original Assignee
Transheat International
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 Transheat International filed Critical Transheat International
Priority to PCT/EP2001/009801 priority Critical patent/WO2003019099A1/fr
Publication of WO2003019099A1 publication Critical patent/WO2003019099A1/fr

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
    • F28D20/025—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 being in direct contact with a heat-exchange medium or with another heat storage material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
    • B01D17/02—Separation of non-miscible liquids
    • B01D17/0208—Separation of non-miscible liquids by sedimentation
    • B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
    • 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 invention relates to a latent heat storage unit, in particular for transporting heat, a line which can be used here and a separating attachment, and a separation method according to the features of claims 1, 15, 16 and 17.
  • the starting point of the invention is a latent heat storage device according to FIG. 1.
  • the latent heat storage unit 1 comprises, as essential components, the storage container 7, in which two immiscible heat transfer media have been introduced.
  • On the one hand there is a heat transfer oil 10 and a latent heat storage medium in the form of a salt hydrate or metal hydrate 2.
  • In the interior of the storage container 7 there is also a heat transfer circuit.
  • this includes a circulation pump 4, a heat exchanger 8, a feed system or feed pipes 9 and a removal line 5.
  • the functional principle of the latent heat storage unit is essentially based on the fact that e.g. in the charged state of the
  • the heat transfer oil 10 from the expansion space 3 with the help of Pump 4 is pumped via the heat exchanger 8 and the pipes 9 into the bottom region of the storage container 7. From there, the 01, due to its lower density in droplet form, rises through the liquid storage medium upwards into the expansion space 3, where a collecting layer forms above the storage medium 2. As it passes through the latent heat storage medium 11, the tragerol 10 absorbs thermal energy. The heat transfer medium 10 charged in this way can then be pumped via the extraction line 5 and the pump 4 to the heat exchanger 8, from where the extraction or. Charge line 6, the heat can be dissipated.
  • the problem area in the practical operation of the above-described heat circuit has been found to be the transition area of the heat carrier oil into the extraction line 5. It has so far emerged that if the
  • Latent heat storage unit is in particular not only operated stationary, but as a portable latent heat storage that parts of the salt hydrate 2 get into the removal line 5 during the transport and in this way contaminate the heat transfer medium circuit and thus permanently disrupt the operation of the latent heat storage unit.
  • the operation i.e. For example, the supply of a warm motor with thermal energy, which is not possible due to the increased carry-over of salt hydrate during transport.
  • Heat carrier oil circuit 10 in the latent heat storage unit occurs less acutely in purely stationary operation, but it should not be neglected there either in the medium term.
  • the object of the invention is therefore to prevent the latent heat storage medium from being carried over into the heat cycle.
  • Latent heat storage unit according to the features of claim 1.
  • a latent heat storage unit in particular for transporting heat, is provided, in which a storage container is filled with a latent heat storage medium.
  • the latent heat storage unit further includes a heat circuit for supplying and removing a heat transfer medium with respect to the
  • Latent heat storage medium which comprises a supply and a discharge system, which includes a removal line which has at least one opening for receiving the from the
  • shut-off line is essentially a shut-off device Recording and / or delivery blocking of the latent heat storage medium and / or the heat transfer medium is assigned. This has the consequence that for the first time the latent heat storage medium is dragged into the heat cycle of the latent heat storage unit or the
  • Extraction line can be prevented during the transport and / or operation of the storage unit.
  • the shut-off device in an advantageous further development of the subject matter of the invention further comprises a so-called pipe-in-pipe system.
  • this has a second line or pipeline that can be displaced and / or rotated in the extraction line.
  • the extraction line and the second line each have delivery openings on the circumference.
  • the openings of the extraction line and the second line are arranged at corresponding positions on the circumference. In this way it is most advantageously ensured that the two pipes, i.e. the sampling line and the second line can be shifted against each other so that the respective openings lie one above the other.
  • the second line located in the extraction line can also be moved in such a way that the openings of the extraction line are closed.
  • the locking position described last is particularly suitable for the transport of the
  • Latent heat storage unit since parts of the latent heat storage medium are prevented from spilling over into the removal line due to the closure of the removal line or are made impossible.
  • a further advantageous embodiment of the pipe-in-pipe system can also consist in the fact that not the second line can be displaced and / or in the extraction line is rotatably arranged, but the second line slides over the extraction line.
  • the shut-off device according to the invention essentially comprises a rotary slide device for blocking reception and / or delivery.
  • the rotary slide device is rotatably mounted in the extraction line.
  • the rotary slide device according to the invention can have one or more shut-off bodies, with the aid of which the opening or the openings in the removal line can be closed by rotating the rotary slide device. Wherein in a further position with rotation of the rotary slide device, the openings of the extraction line can in turn be opened to promote the Warmetr germ medium.
  • a separation attachment is assigned to the opening or openings of the extraction line or the shut-off body.
  • Extraction line essentially to prevent part of the latent heat storage medium from entering the heat cycle or the extraction line, and this is highly advantageous even during the transport of the latent heat storage unit.
  • the separating attachment has a tear-off edge for separating the two media.
  • the latent heat storage medium entrained or flowing along with the heat transfer medium during operation of the latent heat storage unit is essentially turbulently released from the heat transfer medium and falls back into the storage container.
  • the separating attachment comprises a channel-shaped structure, one or more opening openings being located on the bottom of the channel and the tear-off edges according to the invention being formed on the edges of the channel.
  • Demand openings attached to the sampling line in such a way that they are located on the circumferential side of the sampling line facing away from the latent heat storage medium.
  • shut-off device according to the invention is not only used as such, but in combination with one another depending on the application.
  • Good heat storage media are, for example, metal hydrates or salt hydrates.
  • Technical white oil is particularly suitable as a heat transfer medium. But this media combination also has Advantages with regard to the separation of the media provided for in the context of the invention in the event of a potential transition into the extraction line. It should be emphasized in particular that salt hydrates have a significantly higher density even in the liquid state, but are less viscous than technical white oil. This physical property, among others, is the reason for the different flow behavior of metal hydrates compared to white oil.
  • the tear-off edge according to the invention is designed in such a way that the possibly suspending edge
  • Latent heat storage medium or salt hydrate is essentially turbulently extracted from this or separated from it and falls back into the storage medium reservoir.
  • the invention relates to the shut-off and / or separation of the latent heat storage medium and / or the heat transfer medium ', not only to a latent heat storage unit as such but also to a pipeline in which the devices shown above can be used and which are also used in corresponding other applications can be used.
  • the invention relates to a separating attachment according to the above explanations by means of which a separation between suspending media is possible.
  • the scope of the invention also includes a method for separating a suspension, which can be used in particular in devices which correspond to those described above and in which the suspension is initially in a region of an opening in a tube is required, a tear-off edge being arranged at the opening in such a way that at least one part of the suspension is separated from the other at least substantially turbulently at the tear-off edge.
  • Fig. 1 is a schematic representation of a
  • FIGS. 2a + 2b show a first and a second variant of a pipe-in-pipe shut-off device
  • FIG. 3 shows a rotary slide device which is arranged in a removal line to shut off opening claims, Abscheideaufsatz.
  • FIG 5 shows a cross section through a latent heat storage unit equipped with a separation attachment according to the invention.
  • a tube-in-tube system can be seen in each of FIGS. 2a and 2b, in which the openings of one tube through the
  • Moving the openings of the other tube can be closed or opened.
  • FIG. 2a shows an inner tube 11 with openings 13 and an outer tube 12 with openings 14.
  • the respective openings 13 and 14 are introduced into the jacket of the tubes 11 and 12.
  • the openings 13 and 14 are on a line and have the same distance from one another.
  • the size of the openings of the inner tube and the outer tube are approximately the same.
  • a slide 16 is attached to the end 15 protruding from the outer tube 12. Between the outer tube and the inner tube there are sealing rings (not shown) in which the inner tube is mounted so that it can slide. With the aid of the slide 16, the inner tube 11 can either be moved back and forth in the direction of arrow 17 and / or in
  • Arrow direction 18 can be rotated in the outer tube.
  • the opening 14 of the outer tube 12 can either be opened or closed.
  • a locking device (not shown) for locking the inner tube 11 with respect to the outer tube 12 is of course also provided according to the invention. With the aid of this pipe-in-pipe system, it can be prevented, in particular during transport, that salt hydrate reaches the removal line and thus the heating circuit through the opening 14 of the outer pipe 12.
  • FIG. 3 shows a rotary slide device 17 which is rotatably arranged within a removal line provided with openings 18 and 19.
  • the rotary slide device comprises at its ends 20 and 21 shut-off bodies, the shape of which rests on the inner surface of the Tapping line are adapted and which can close the openings 18 and 19 by rotating the rotary slide device. In this way, too, it can be prevented, in particular when the latent heat storage unit according to the invention is being transported, that parts of the latent heat storage medium get into the extraction line.
  • FIG. 4 shows a further possibility of how, in particular, it can be prevented that salt hydrate 2 is prevented, especially during operation of the latent heat storage unit
  • FIG. 2 shows a cross section of a removal line 5 (FIG. 1), in which an opening 22 or a plurality of openings 22 is inserted
  • Separator attachment is molded.
  • the separating attachment 23 has a groove-like shape, the opening 22 being located at the bottom of the groove.
  • the separating attachment 23 can either be individually assigned to the individual openings in a defined dimension or can extend over all openings in the extraction line and thereby include all opening requirements of the extraction line.
  • the side regions of the channel 24 have edges 25 which are bent outwards. According to the invention, these edges 25 form so-called tear-off edges on which the salt hydrate, which may be required during operation of the storage unit, is separated from 01 10 (FIG. 1), ie from the heat transfer medium.
  • the principle of the separation between the heat transfer oil and a salt hydrate such as sodium acetate is essentially based on the fact that the sodium acetate shows a different flow behavior compared to the 01. The reason for this is that, for example, sodium acetate has a higher density than 01 has, but is less viscous.
  • FIG. 5 also shows the position of the opening 22 or the separating attachment 23 with respect to the sodium acetate reservoir. It can be seen that the opening 22 faces away from the sodium acetate

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

L'invention concerne un bloc accumulateur de chaleur latente (1), en particulier pour le transport de chaleur, comportant un récipient accumulateur (7) rempli d'un fluide accumulateur de chaleur latente. Le bloc accumulateur (1) comprend en outre un circuit thermique pour l'amenée et l'évacuation d'un fluide caloporteur, relativement au fluide accumulateur de chaleur latente qui comprend un système d'amenée et d'évacuation (9) comportant un conduit de prélèvement (5) présentant au moins une ouverture de réception du fluide accumulateur de chaleur provenant du fluide accumulateur de chaleur latente. D'une façon hautement avantageuse, l'invention est caractérisée en ce qu'au conduit de prélèvement (5) est associé un organe d'arrêt, en vue de permettre sensiblement l'arrêt de l'admission et/ou de l'écoulement du fluide accumulateur de chaleur latente et/ou du fluide caloporteur.
PCT/EP2001/009801 2001-08-24 2001-08-24 Bloc accumulateur de chaleur latente comportant un organe d'arret empechant sensiblement l'ecoulement WO2003019099A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/009801 WO2003019099A1 (fr) 2001-08-24 2001-08-24 Bloc accumulateur de chaleur latente comportant un organe d'arret empechant sensiblement l'ecoulement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2001/009801 WO2003019099A1 (fr) 2001-08-24 2001-08-24 Bloc accumulateur de chaleur latente comportant un organe d'arret empechant sensiblement l'ecoulement

Publications (1)

Publication Number Publication Date
WO2003019099A1 true WO2003019099A1 (fr) 2003-03-06

Family

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Application Number Title Priority Date Filing Date
PCT/EP2001/009801 WO2003019099A1 (fr) 2001-08-24 2001-08-24 Bloc accumulateur de chaleur latente comportant un organe d'arret empechant sensiblement l'ecoulement

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Country Link
WO (1) WO2003019099A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005054767A1 (fr) 2003-12-02 2005-06-16 Kabushiki Kaisha Kobe Seiko Sho Unite de stockage thermique
WO2006114069A1 (fr) * 2005-04-27 2006-11-02 Pro Ma Co Gmbh Unite de rotation destinee a effectuer une rotation homogene de conduites d'aspiration d'un accumulateur de chaleur latente et dispositif de fusion fonctionnant automatiquement sur la base des proprietes rheologiques
EP1752728A3 (fr) * 2005-08-05 2007-02-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Accumulateur de chaleur et son procédé d'exploitation

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371028A (en) * 1979-01-22 1983-02-01 Effex Innovation A/S Heat storage device
DE3444762A1 (de) * 1984-12-07 1986-06-12 Michael 4150 Krefeld Laumen Kaeltemaschine bzw. waermepumpe mit einer strahlpumpe als verdichter
US4821794A (en) * 1988-04-04 1989-04-18 Thermal Energy Storage, Inc. Clathrate thermal storage system
US5475982A (en) * 1993-06-21 1995-12-19 Thermique Generale Et Vinicole Method for storing a coolant fluid in melting equilibrium
DE19500105A1 (de) * 1995-01-04 1996-07-11 Franz Hegele Latentwärmespeicher

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4371028A (en) * 1979-01-22 1983-02-01 Effex Innovation A/S Heat storage device
DE3444762A1 (de) * 1984-12-07 1986-06-12 Michael 4150 Krefeld Laumen Kaeltemaschine bzw. waermepumpe mit einer strahlpumpe als verdichter
US4821794A (en) * 1988-04-04 1989-04-18 Thermal Energy Storage, Inc. Clathrate thermal storage system
US5475982A (en) * 1993-06-21 1995-12-19 Thermique Generale Et Vinicole Method for storing a coolant fluid in melting equilibrium
DE19500105A1 (de) * 1995-01-04 1996-07-11 Franz Hegele Latentwärmespeicher

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005054767A1 (fr) 2003-12-02 2005-06-16 Kabushiki Kaisha Kobe Seiko Sho Unite de stockage thermique
WO2006114069A1 (fr) * 2005-04-27 2006-11-02 Pro Ma Co Gmbh Unite de rotation destinee a effectuer une rotation homogene de conduites d'aspiration d'un accumulateur de chaleur latente et dispositif de fusion fonctionnant automatiquement sur la base des proprietes rheologiques
JP4896964B2 (ja) * 2005-04-27 2012-03-14 三機工業株式会社 潜熱蓄熱器ユニット
EP1752728A3 (fr) * 2005-08-05 2007-02-28 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Accumulateur de chaleur et son procédé d'exploitation
US7654306B2 (en) 2005-08-05 2010-02-02 Kabushiki Kaisha Kobe Seiko Sho Heat-storage unit and operation method of heat-storage unit

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