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EP2006628A3 - Device for cooling or heating bulk material and method for operating such a device - Google Patents

Device for cooling or heating bulk material and method for operating such a device Download PDF

Info

Publication number
EP2006628A3
EP2006628A3 EP08008794A EP08008794A EP2006628A3 EP 2006628 A3 EP2006628 A3 EP 2006628A3 EP 08008794 A EP08008794 A EP 08008794A EP 08008794 A EP08008794 A EP 08008794A EP 2006628 A3 EP2006628 A3 EP 2006628A3
Authority
EP
European Patent Office
Prior art keywords
bulk material
tubes
gas
heat transfer
cooling
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.)
Granted
Application number
EP08008794A
Other languages
German (de)
French (fr)
Other versions
EP2006628A2 (en
EP2006628B1 (en
Inventor
Bernhard Dr. Stark
Egon Zechner
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.)
Coperion GmbH
Original Assignee
Coperion 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 Coperion GmbH filed Critical Coperion GmbH
Publication of EP2006628A2 publication Critical patent/EP2006628A2/en
Publication of EP2006628A3 publication Critical patent/EP2006628A3/en
Application granted granted Critical
Publication of EP2006628B1 publication Critical patent/EP2006628B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
    • F28C3/00—Other direct-contact heat-exchange apparatus
    • F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
    • F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
    • F28C3/14—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material moving by gravity, e.g. down a tube
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus

Landscapes

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

Abstract

Eine Vorrichtung zum Kühlen oder Heizen von Schüttgut hat einen am oberen Ende von Wärmetauscherrohren (7) angeordneten Schüttgut-Eintragsabschnitt (1) zur Zuführung von Schüttgut (20) in die Rohre (7). Am unteren Ende der Wärmetauscherrohre (7) ist ein Schüttgut-Austragsabschnitt (3) angeordnet. Wärmefluid wird an den Rohren (7) vorbei durch ein Gehäuse (5) geführt. Im Gegenstrom zum Schüttgutstrom von einer Zuführleitung (28), die in den Austragsabschnitt (3) einmündet, über die Rohre (7) hin zu einer Abführleitung (34), die aus dem Eintragsabschnitt (1) ausmündet, wird ein Wärmeträger-Gas geführt. Eine Gas-Zuführeinrichtung (29) für das Wärmeträger-Gas ist zur Bereitstellung einer derart großen Gasmenge ausgeführt, dass das Wärmeträger-Gas in den Rohren (7) eine Leerrohrgasgeschwindigkeit hat, die im Bereich zwischen 20 % und 200 % einer kritischen Leerrohrgasgeschwindigkeit liegt. Bei einer alternativen Kühl- oder Heizvorrichtung ist die Gas-Zuführeinrichtung (29) so ausgeführt, dass das Gas in den Rohren (7) eine Leerrohrgasgeschwindigkeit im Bereich zwischen 0,2 und 2,0 m/s hat. Es resultiert in beiden Fällen eine Schüttgut-Kühl- oder Heizvorrichtung, bei der der Wärmeübergang vom Schüttgut auf das Wärmeträgerfluid verbessert ist.

Figure imgaf001
A device for cooling or heating of bulk material has a bulk goods entry section (1) arranged at the upper end of heat exchanger tubes (7) for feeding bulk material (20) into the tubes (7). At the lower end of the heat exchanger tubes (7), a bulk material discharge section (3) is arranged. Thermal fluid is passed to the tubes (7) passing through a housing (5). In countercurrent to the flow of bulk material from a supply line (28), which opens into the discharge section (3), via the tubes (7) to a discharge line (34), which opens out of the entry section (1), a heat transfer gas is passed. A gas supply means (29) for the heat transfer gas is designed to provide such a large amount of gas that the heat transfer gas in the tubes (7) has a Leerrohrgasgeschwindigkeit which is in the range between 20% and 200% of a critical Leerrohrgasgeschwindigkeit. In an alternative cooling or heating device, the gas supply means (29) is designed so that the gas in the tubes (7) has a Leerrohrgasgeschwindigkeit in the range between 0.2 and 2.0 m / s. It results in both cases, a bulk material cooling or heating device in which the heat transfer from the bulk material is improved to the heat transfer fluid.
Figure imgaf001
EP20080008794 2007-06-19 2008-05-10 Device for cooling or heating bulk material and method for operating such a device Not-in-force EP2006628B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007027967A DE102007027967A1 (en) 2007-06-19 2007-06-19 Apparatus for cooling or heating bulk material and method for operating such a device

Publications (3)

Publication Number Publication Date
EP2006628A2 EP2006628A2 (en) 2008-12-24
EP2006628A3 true EP2006628A3 (en) 2011-10-19
EP2006628B1 EP2006628B1 (en) 2013-03-06

Family

ID=39719171

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080008794 Not-in-force EP2006628B1 (en) 2007-06-19 2008-05-10 Device for cooling or heating bulk material and method for operating such a device

Country Status (2)

Country Link
EP (1) EP2006628B1 (en)
DE (1) DE102007027967A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009032390A1 (en) 2009-07-08 2011-01-13 Coperion Gmbh Apparatus for cooling bulk material and method for treating bulk material
DE102010005578A1 (en) * 2010-01-22 2011-07-28 Technische Universität Darmstadt, 64289 Regenerative heat exchanger and method of transferring heat between two solids
DE102010027801A1 (en) 2010-04-15 2011-10-20 Coperion Gmbh Device for cooling or heating bulk material
CN102645111A (en) * 2012-04-18 2012-08-22 常州市姚氏铸造材料有限公司 Heat exchange device for adjusting temperature of loose solid particles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002036255A1 (en) * 2000-11-02 2002-05-10 Bühler AG Shaft reactor comprising a gassed discharge cone
EP1580511A2 (en) * 2004-03-24 2005-09-28 Coperion Waeschle GmbH & Co. KG Device for maintaining temperature of bulk material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD157347A1 (en) * 1981-01-28 1982-11-03 Rolf Schirner IMPROVING THE MANUFACTURE OF DEXTRIN
DD238103B5 (en) * 1985-06-05 1994-03-31 Ver Mitteldeutsche Braunkohlen METHOD AND EQUIPMENT FOR COOLING MOISTURE-PROOF CARVING PLASTIC
EP0444338B1 (en) 1990-03-01 1993-06-02 Cominco Ltd. Method and apparatus for cooling particulate solids
AT405522B (en) * 1996-05-17 1999-09-27 Voest Alpine Ind Anlagen METHOD FOR TREATING PARTICLE-SHAPED MATERIALS IN A FLUID BED LAYER METHOD, AND VESSEL AND SYSTEM FOR IMPLEMENTING THE METHOD
AT412473B (en) * 2003-01-15 2005-03-25 Dsm Fine Chem Austria Gmbh METHOD FOR THE CONTINUOUS DRYING OF N- BZW. AMINO, AMMONIUM OR SPIROBICYCLIC AMMONIUM GROUPS OF POLYMERS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002036255A1 (en) * 2000-11-02 2002-05-10 Bühler AG Shaft reactor comprising a gassed discharge cone
EP1580511A2 (en) * 2004-03-24 2005-09-28 Coperion Waeschle GmbH & Co. KG Device for maintaining temperature of bulk material

Also Published As

Publication number Publication date
EP2006628A2 (en) 2008-12-24
EP2006628B1 (en) 2013-03-06
DE102007027967A1 (en) 2008-12-24

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