EP0802384A3 - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
EP0802384A3
EP0802384A3 EP97103857A EP97103857A EP0802384A3 EP 0802384 A3 EP0802384 A3 EP 0802384A3 EP 97103857 A EP97103857 A EP 97103857A EP 97103857 A EP97103857 A EP 97103857A EP 0802384 A3 EP0802384 A3 EP 0802384A3
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
heat transfer
transfer fluid
tube
heat
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.)
Withdrawn
Application number
EP97103857A
Other languages
German (de)
French (fr)
Other versions
EP0802384A2 (en
Inventor
Giselher Ing. Stummer
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.)
Andritz AG
Original Assignee
Andritz Patentverwaltungs GmbH
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 Andritz Patentverwaltungs GmbH filed Critical Andritz Patentverwaltungs GmbH
Publication of EP0802384A2 publication Critical patent/EP0802384A2/en
Publication of EP0802384A3 publication Critical patent/EP0802384A3/en
Withdrawn legal-status Critical Current

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
    • F28D13/00—Heat-exchange apparatus using a fluidised bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
    • F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
    • F26B3/084—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed with heat exchange taking place in the fluidised bed, e.g. combined direct and indirect heat exchange
    • 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
    • F28D7/12—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 the surrounding tube being closed at one end, e.g. return type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Microbiology (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Wärmetauscher, insbesondere zur Verwendung in Wirbelschichttrocknern, mit zumindest einer Zuführung 1', 2' und einer Ableitung für das Wärmeträgerfluid und zumindest einem vom Wärmeträgerfluid durchströmten Wärmetauscherrohr 3'. Um die Wärmetauscherrohre 3' gut zugänglich zu machen, und die Strömung durch den Wärmetauscher durch das Verteilungs- oder Ableitsystem für das Wärmeträgerfluid so wenig wie möglich zu beeinflussen, ist vorgesehen, daß das oder jedes Wärmetauscherrohr 3' an lediglich einem seiner Enden mit einer Zuführung 2' für Wärmeträgerfluid verbunden und am anderen Ende 3'' geschlossen ist, in seinem Inneren zumindest ein zweites Rohr 7 mit kleinerem Durchmesser enthält, welches zumindest eine Öffnung 8 im Bereich des geschlossenen Endes 3'' des Wärmeträgerrohres 3' aufweist und dessen anderes Ende 9 in die Ableitung 10, 11 für das Wärmeträgerfluid mündet.

Figure 00000001
Heat exchanger, in particular for use in fluidized bed dryers, with at least one feed 1 ', 2' and a discharge for the heat transfer fluid and at least one heat exchanger tube 3 'through which the heat transfer fluid flows. In order to make the heat exchanger tubes 3 'easily accessible and to influence the flow through the heat exchanger through the distribution or discharge system for the heat transfer fluid as little as possible, it is provided that the or each heat exchanger tube 3' has only one end with a feed 2 'for heat transfer fluid and is closed at the other end 3'', contains at least a second tube 7 with a smaller diameter in its interior, which has at least one opening 8 in the region of the closed end 3''of the heat transfer tube 3' and the other end thereof 9 opens into the discharge line 10, 11 for the heat transfer fluid.
Figure 00000001
EP97103857A 1996-04-17 1997-03-07 Heat exchanger Withdrawn EP0802384A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0069396A AT405685B (en) 1996-04-17 1996-04-17 HEAT EXCHANGER
AT693/96 1996-04-17

Publications (2)

Publication Number Publication Date
EP0802384A2 EP0802384A2 (en) 1997-10-22
EP0802384A3 true EP0802384A3 (en) 1999-03-10

Family

ID=3497337

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97103857A Withdrawn EP0802384A3 (en) 1996-04-17 1997-03-07 Heat exchanger

Country Status (3)

Country Link
US (1) US5940987A (en)
EP (1) EP0802384A3 (en)
AT (1) AT405685B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003001334A2 (en) * 2001-06-22 2003-01-03 Wonderware Corporation Remotely monitoring / diagnosing distributed components of a supervisory process control and manufacturing information application from a central location
JP5050241B2 (en) * 2007-01-29 2012-10-17 株式会社Ｋｅｌｋ Fluid temperature controller
RU2484404C2 (en) * 2010-03-29 2013-06-10 Государственное образовательное учреждение высшего профессионального образования "Воронежский государственный технический университет" Heat exchange method of gaseous media
RU2484403C2 (en) * 2010-03-29 2013-06-10 Государственное образовательное учреждение высшего профессионального образования "Воронежский государственный технический университет" Regenerative heat exchanger
DE102011014131A1 (en) * 2011-03-15 2012-09-20 Thyssenkrupp Uhde Gmbh Process for drying moist polymer powder and apparatus suitable therefor
DE102011015808B4 (en) * 2011-04-01 2013-09-19 h s beratung GmbH & Co. KG Dryers and methods for drying wet products
US10094595B1 (en) * 2012-05-10 2018-10-09 Lockheed Martin Corporation Solar heat collector
US11614287B2 (en) 2021-06-24 2023-03-28 Darby Renewable Energy Design Systems Inc. Heat exchanger
AT524791B1 (en) * 2021-12-09 2022-09-15 Andritz Tech & Asset Man Gmbh HEAT TRANSFER ELEMENT AND ITS USE

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231602C (en) *
GB1525222A (en) * 1973-05-05 1978-09-20 Pearce A Fluidised beds
US4290387A (en) * 1979-10-04 1981-09-22 Curtiss-Wright Corporation Fluidized bed combustor and tube construction therefor
EP0316910A1 (en) * 1987-11-17 1989-05-24 Phillips Petroleum Company Heat exchange apparatus
EP0447671A1 (en) * 1990-03-20 1991-09-25 Klöckner-Humboldt-Deutz Aktiengesellschaft Process and apparatus for drying wet materials in a fluidised bed
US5353864A (en) * 1993-03-01 1994-10-11 Fmc Corporation Mass flow cooler

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1391430A (en) * 1971-06-23 1975-04-23 Ici Ltd Tubular heat exchanger and use thereof in fluidised beds
FR2308052A1 (en) * 1975-04-18 1976-11-12 Commissariat Energie Atomique PLUNGE TUBE HEAT EXCHANGER
US3982901A (en) * 1975-06-25 1976-09-28 Dorr-Oliver Incorporated Heat transfer element and tuyere for fluidized bed reactor
JPS5677692A (en) * 1979-11-27 1981-06-26 Toyo Eng Corp Heat exchanger
US4452233A (en) * 1982-03-04 1984-06-05 Goodman Jr Maurice Solar energy collector
AU558049B2 (en) * 1982-10-08 1987-01-15 Asea Stal Aktiebolag Collection of spent material and fly ash from a pressurised fluidised bed combustor
SE464781B (en) * 1989-06-21 1991-06-10 Nonox Eng Ab DEVICE FOR INDIRECT HEATING OF HIGH PRESSURE TO HIGH TEMPERATURE AND USE OF THE DEVICE

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE231602C (en) *
GB1525222A (en) * 1973-05-05 1978-09-20 Pearce A Fluidised beds
US4290387A (en) * 1979-10-04 1981-09-22 Curtiss-Wright Corporation Fluidized bed combustor and tube construction therefor
EP0316910A1 (en) * 1987-11-17 1989-05-24 Phillips Petroleum Company Heat exchange apparatus
EP0447671A1 (en) * 1990-03-20 1991-09-25 Klöckner-Humboldt-Deutz Aktiengesellschaft Process and apparatus for drying wet materials in a fluidised bed
US5353864A (en) * 1993-03-01 1994-10-11 Fmc Corporation Mass flow cooler

Also Published As

Publication number Publication date
EP0802384A2 (en) 1997-10-22
ATA69396A (en) 1999-02-15
US5940987A (en) 1999-08-24
AT405685B (en) 1999-10-25

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