BRPI0513721A - método e equipamento para recuperar calor a partir de um gás de exaustão - Google Patents

método e equipamento para recuperar calor a partir de um gás de exaustão

Info

Publication number
BRPI0513721A
BRPI0513721A BRPI0513721-7A BRPI0513721A BRPI0513721A BR PI0513721 A BRPI0513721 A BR PI0513721A BR PI0513721 A BRPI0513721 A BR PI0513721A BR PI0513721 A BRPI0513721 A BR PI0513721A
Authority
BR
Brazil
Prior art keywords
exhaust gas
heat
equipment
recovering heat
heat recovery
Prior art date
Application number
BRPI0513721-7A
Other languages
English (en)
Inventor
Erling Naess
Torbjorn Slungaard
Otto Kristian Sonju
Bjorn Petter Moxnes
Original Assignee
Norsk Hydro As
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 Norsk Hydro As, Ntnu Technology Transfer As filed Critical Norsk Hydro As
Publication of BRPI0513721A publication Critical patent/BRPI0513721A/pt
Publication of BRPI0513721B1 publication Critical patent/BRPI0513721B1/pt

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

Abstract

MéTODO E EQUIPAMENTO PARA RECUPERAR CALOR A PARTIR DE UM GáS DE EXAUSTãO A presente invenção refere-se a um método e equipamento para recuperar calor a partir de gás de exaustão removido de um processo industrial, tac como um processo de eletrólise para a produção de alumínio. O calor é recuperado por meio de um sistema de extração/sucção onde o gás de exaustão contém partículas e/ou poeira. O calor é recuperado á medida que o gás de exaustão é posto em contato com elementos de recuperação de calor. As condições de fluxo e o projeto dos elementos de recuperação de calor são tais que os depósitos de poeira e/ou partículas sobre as superfícies estabelecidas são mantidos em um nível limitado, estável. Em modalidades preferidas, os elementos de recuperação de calor têm uma seção transversal circular ou elíptica estendida, e podem ser equipados com aletas ou nervuras.
BRPI0513721A 2004-07-23 2005-07-15 método e equipamento para recuperar calor a partir de um gás de exaustão BRPI0513721B1 (pt)

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
BRPI0513721A true BRPI0513721A (pt) 2008-05-13
BRPI0513721B1 BRPI0513721B1 (pt) 2016-04-19

Family

ID=35013322

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0513721A BRPI0513721B1 (pt) 2004-07-23 2005-07-15 método e equipamento para recuperar calor a partir de um gás de exaustão

Country Status (10)

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

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Also Published As

Publication number Publication date
US9732981B2 (en) 2017-08-15
CA2574717C (en) 2012-07-10
NO339614B1 (no) 2017-01-16
AU2005264776A1 (en) 2006-01-26
CN101031673B (zh) 2012-06-27
CA2574717A1 (en) 2006-01-26
WO2006009459A1 (en) 2006-01-26
BRPI0513721B1 (pt) 2016-04-19
EP1781840B1 (en) 2014-11-19
EP1781840A4 (en) 2012-08-15
ZA200701194B (en) 2015-09-25
NO20043150D0 (no) 2004-07-23
US20140069625A1 (en) 2014-03-13
EP1781840A1 (en) 2007-05-09
CN101031673A (zh) 2007-09-05
US20080099185A1 (en) 2008-05-01
AU2005264776B2 (en) 2011-01-06
RU2385365C2 (ru) 2010-03-27
RU2007106895A (ru) 2008-09-10
NO20070800L (no) 2007-02-12

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 19/04/2016, OBSERVADAS AS CONDICOES LEGAIS.