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NO20070800L - Fremgangsmate og utstyr for varmegjenvinning. - Google Patents

Fremgangsmate og utstyr for varmegjenvinning.

Info

Publication number
NO20070800L
NO20070800L NO20070800A NO20070800A NO20070800L NO 20070800 L NO20070800 L NO 20070800L NO 20070800 A NO20070800 A NO 20070800A NO 20070800 A NO20070800 A NO 20070800A NO 20070800 L NO20070800 L NO 20070800L
Authority
NO
Norway
Prior art keywords
heat
particles
exhaust
equipment
heat recovery
Prior art date
Application number
NO20070800A
Other languages
English (en)
Other versions
NO339614B1 (no
Inventor
Otto Kristian Sonju
Erling Naess
Torbjorn Slungaard
Bjorn Petter Moxnes
Original Assignee
Ntnu Technology Transfer As
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 Ntnu Technology Transfer As filed Critical Ntnu Technology Transfer As
Publication of NO20070800L publication Critical patent/NO20070800L/no
Publication of NO339614B1 publication Critical patent/NO339614B1/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
    • C25C3/00—Electrolytic production, recovery or refining of metals by electrolysis of melts
    • C25C3/06—Electrolytic production, recovery or refining of metals by electrolysis of melts of aluminium
    • C25C3/22—Collecting emitted gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/30—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means being attachable to the element
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Geometry (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electrolytic Production Of Metals (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

Foreliggende oppfinnelse relateres til en fremgangsmåte og et utstyr for gjenvinning av varme fra avgass som ^emes fra en industriell prosess, så som en elektrolyseprosess for fremstilling av aluminium, ved hjelp av et avsug, idet avgassen inneholder støv og/eller partikler. Varmen gjenvinnes ved at avgassen bringes i kontakt med varmeopptakende elementer. Strømningsforholdene og utformingen av de varmeopptakende elementene er slik at støvets og/eller partiklenes beleggavsetning på nevnte flater holdes på et stabilt, begrenset nivå. I foretrukne utførelser har de varmeopptakende element et sirkulært eller et langstrakt, elliptisk tverrsnitt og kan være utstyrt med flnner eller ribber.
NO20070800A 2004-07-23 2007-02-12 Fremgangsmåte og utstyr for varmegjenvinning. NO339614B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20043150A NO20043150D0 (no) 2004-07-23 2004-07-23 "Fremgangsmate og utstyr for varmegjenvining"
PCT/NO2005/000262 WO2006009459A1 (en) 2004-07-23 2005-07-15 A method and equipment for heat recovery

Publications (2)

Publication Number Publication Date
NO20070800L true NO20070800L (no) 2007-02-12
NO339614B1 NO339614B1 (no) 2017-01-16

Family

ID=35013322

Family Applications (2)

Application Number Title Priority Date Filing Date
NO20043150A NO20043150D0 (no) 2004-07-23 2004-07-23 "Fremgangsmate og utstyr for varmegjenvining"
NO20070800A NO339614B1 (no) 2004-07-23 2007-02-12 Fremgangsmåte og utstyr for varmegjenvinning.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NO20043150A NO20043150D0 (no) 2004-07-23 2004-07-23 "Fremgangsmate og utstyr for varmegjenvining"

Country Status (10)

Country Link
US (2) US20080099185A1 (no)
EP (1) EP1781840B1 (no)
CN (1) CN101031673B (no)
AU (1) AU2005264776B2 (no)
BR (1) BRPI0513721B1 (no)
CA (1) CA2574717C (no)
NO (2) NO20043150D0 (no)
RU (1) RU2385365C2 (no)
WO (1) WO2006009459A1 (no)
ZA (1) ZA200701194B (no)

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CN102154663A (zh) * 2011-03-10 2011-08-17 伊川龙海科技实业有限公司 一种利用铝电解生产烟气余热对氧化铝预热的方法
CN102853702A (zh) * 2012-09-17 2013-01-02 扬州埃克森能源发展有限公司 一种工业烟气余热极限式回收利用方法
CN105220177B (zh) * 2014-06-30 2017-12-08 沈阳铝镁设计研究院有限公司 铝电解槽强制通风余热利用装置及利用方法
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Also Published As

Publication number Publication date
CA2574717C (en) 2012-07-10
EP1781840A1 (en) 2007-05-09
RU2007106895A (ru) 2008-09-10
RU2385365C2 (ru) 2010-03-27
AU2005264776A1 (en) 2006-01-26
NO20043150D0 (no) 2004-07-23
BRPI0513721B1 (pt) 2016-04-19
US20140069625A1 (en) 2014-03-13
ZA200701194B (en) 2015-09-25
CN101031673B (zh) 2012-06-27
US20080099185A1 (en) 2008-05-01
US9732981B2 (en) 2017-08-15
NO339614B1 (no) 2017-01-16
CN101031673A (zh) 2007-09-05
EP1781840A4 (en) 2012-08-15
BRPI0513721A (pt) 2008-05-13
AU2005264776B2 (en) 2011-01-06
EP1781840B1 (en) 2014-11-19
CA2574717A1 (en) 2006-01-26
WO2006009459A1 (en) 2006-01-26

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