PE20060787A1 - STRUCTURE OF THE BOTTOM AREA OF A METALLURGICAL FURNACE AND METHOD FOR CONTROLLING THE EXPANSION OF THE FURNACE - Google Patents

STRUCTURE OF THE BOTTOM AREA OF A METALLURGICAL FURNACE AND METHOD FOR CONTROLLING THE EXPANSION OF THE FURNACE

Info

Publication number
PE20060787A1
PE20060787A1 PE2005001203A PE2005001203A PE20060787A1 PE 20060787 A1 PE20060787 A1 PE 20060787A1 PE 2005001203 A PE2005001203 A PE 2005001203A PE 2005001203 A PE2005001203 A PE 2005001203A PE 20060787 A1 PE20060787 A1 PE 20060787A1
Authority
PE
Peru
Prior art keywords
oven
parts
wall
furnace
joints
Prior art date
Application number
PE2005001203A
Other languages
Spanish (es)
Inventor
Risto Saarinen
Ilkka Kojo
Eero Hugg
Original Assignee
Outokumpu Oy
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 Outokumpu Oy filed Critical Outokumpu Oy
Publication of PE20060787A1 publication Critical patent/PE20060787A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/12—Working chambers or casings; Supports therefor
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/0043—Floors, hearths
    • 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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/04—Casings; Linings; Walls; Roofs characterised by the form, e.g. shape of the bricks or blocks used

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Furnace Housings, Linings, Walls, And Ceilings (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)

Abstract

DONDE TANTO UNA PARTE DEL FONDO Y UNA PARED, COMPRENDIDAS EN EL AREA DE FONDO Y UNIDAS UNA CON OTRA, INCLUYEN UNA ESTRUCTURA DE ACERO QUE CONSTITUYE LA SUPERFICIE EXTERIOR Y UN REVESTIMIENTO INTERIOR DE LADRILLOS REFRACTARIOS, ESTANDO LA PARED DEL HORNO DIVIDIDA EN PARTES INFERIOR Y SUPERIOR CON LO CUAL LA ESTRUCTURA DE ACERO DE LA PARTE INFERIOR ES UN ANILLO SEPARADO CONSISTENTE DE PARTES, ESTANDO PROVISTOS EMPALMES FLEXIBLES ENTRE LAS PARTES Y DISPUESTOS PARA EXPANDIRSE. LOS EMPALMES SON POR FRICCION, DE RESORTE O SIMILARES. ELEMENTOS REFRIGERANTES ESTAN PROVISTOS ENTRE LA PARTE INFERIOR DE LA PARED Y EL REVESTIMIENTO INTERIOR. UN FONDO FALSO ESTA PROVISTO DEBAJO DE LA PARTE DEL FONDO DEL HORNO, ENTRE LOS CUALES HAY UN SISTEMA DE CANALES CONECTADO A UN SOPLANTE. EL METODO INCLUYE: a) DEJAR EXPANDIR LA PARTE ANULAR INFERIOR DE LA PARED, DIVIDIDA EN PARTES EN LA DIRECCION CIRCUNFERENCIAL DEL HORNO, POR MEDIO DE EMPALMES ENTRE LAS PARTES CUANDO EL HORNO ES CALENTADO; b) INSUFLAR AIRE DENTRO DEL SISTEMA DE CANALES; Y, c) DISMINUIR POR ENFRIAMIENTO LA TEMPERATURA DENTRO DE LA CAPA DE LADRILLOS MAS INTERNA DE LA PARTE DEL FONDO DEL HORNO, A UN RANGO ENTRE 650°C Y 800°C, PARA SOLIDIFICAR LAS PARTICULAS DE LA FUSION. UN EMPALME DESLIZABLE ESTA PROVISTO ENTRE LAS PARTES INFERIOR Y SUPERIOR DE LA PAREDWHERE BOTH A PART OF THE BOTTOM AND A WALL, INCLUDED IN THE BOTTOM AREA AND CONNECTED TO ANOTHER, INCLUDE A STEEL STRUCTURE THAT CONSTITUTES THE EXTERIOR SURFACE AND AN INTERIOR CLADDING OF REFRACTORY BRICKS, BEING AT THE LOWER PART OF THE HORN UPPER WITH WHICH THE STEEL STRUCTURE OF THE BOTTOM PART IS A SEPARATE RING CONSISTENT OF PARTS, FLEXIBLE JOINTS BEING PROVIDED BETWEEN THE PARTS AND READY TO EXPAND. THE JOINTS ARE BY FRICTION, SPRING OR SIMILAR. REFRIGERANT ELEMENTS ARE PROVIDED BETWEEN THE BOTTOM OF THE WALL AND THE INTERIOR CLADDING. A FALSE BACKGROUND IS PROVIDED UNDER THE BACK OF THE OVEN, BETWEEN WHICH IS A CHANNEL SYSTEM CONNECTED TO A BLOWER. THE METHOD INCLUDES: a) LET THE LOWER ANNUL PART OF THE WALL EXPAND, DIVIDED INTO PARTS IN THE CIRCUMFERENTIAL DIRECTION OF THE OVEN, BY MEANS OF JOINTS BETWEEN THE PARTS WHEN THE OVEN IS HEATED; b) BLOW AIR INTO THE CHANNEL SYSTEM; AND, c) REDUCE THE TEMPERATURE WITHIN THE INNER LAYER OF BRICKS ON THE BACK OF THE OVEN BY COOLING, TO A RANGE BETWEEN 650 ° C AND 800 ° C, TO SOLIDIFY THE FUSION PARTICLES. A SLIDING JOINT IS PROVIDED BETWEEN THE BOTTOM AND TOP OF THE WALL

PE2005001203A 2004-10-14 2005-10-12 STRUCTURE OF THE BOTTOM AREA OF A METALLURGICAL FURNACE AND METHOD FOR CONTROLLING THE EXPANSION OF THE FURNACE PE20060787A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20041330A FI118437B (en) 2004-10-14 2004-10-14 Metallurgical oven

Publications (1)

Publication Number Publication Date
PE20060787A1 true PE20060787A1 (en) 2006-09-25

Family

ID=33306027

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2005001203A PE20060787A1 (en) 2004-10-14 2005-10-12 STRUCTURE OF THE BOTTOM AREA OF A METALLURGICAL FURNACE AND METHOD FOR CONTROLLING THE EXPANSION OF THE FURNACE

Country Status (7)

Country Link
CN (1) CN101040160B (en)
CA (1) CA2581978C (en)
EA (1) EA011183B1 (en)
FI (1) FI118437B (en)
PE (1) PE20060787A1 (en)
WO (1) WO2006040393A1 (en)
ZA (1) ZA200702958B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20146035A (en) 2014-11-25 2016-05-26 Outotec Finland Oy METHOD FOR BUILDING A METALLURGICAL FURNACE, A METALLURGICAL FURNACE AND A VERTICAL HEATING ELEMENT

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2089026A (en) * 1936-10-19 1937-08-03 American Manganese Steel Co Temperature compensated retort end
SU80503A1 (en) * 1948-11-24 1948-11-30 И.П. Ерохин Method of compensation for temperature expansion of the open-hearth furnace masonry
US3876818A (en) * 1973-08-13 1975-04-08 Republic Steel Corp Electric arc furnace wall including water cooled bezel ring
CA1040109A (en) * 1973-10-15 1978-10-10 Wallis Separators Limited Filter screen with acoustic pressure wave transducer
SU939912A1 (en) * 1977-08-17 1982-06-30 Государственный Ордена Трудового Красного Знамени Всесоюзный Институт По Проектированию Предприятий Коксохимической Промышленности Apparatus for reinforcing circular tunnel furnaces
US4428731A (en) * 1982-03-31 1984-01-31 Metallurgie Hoboken-Overpelt Smelting furnace
IT1197142B (en) * 1986-09-02 1988-11-25 Snam Progetti BASIN OVEN FOR METALLURGY OF NON-FERROUS METALS
DE19943287A1 (en) * 1999-09-10 2001-03-15 Sms Demag Ag Copper cooling plate for metallurgical furnaces
FI107960B (en) * 1999-09-13 2001-10-31 Outokumpu Oy Support for the oven

Also Published As

Publication number Publication date
CA2581978A1 (en) 2006-04-20
FI20041330A (en) 2006-04-15
FI20041330A0 (en) 2004-10-14
EA200700586A1 (en) 2007-10-26
WO2006040393A1 (en) 2006-04-20
FI118437B (en) 2007-11-15
ZA200702958B (en) 2008-08-27
CN101040160B (en) 2010-05-26
CN101040160A (en) 2007-09-19
EA011183B1 (en) 2009-02-27
CA2581978C (en) 2013-09-10

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Legal Events

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FG Grant, registration
FD Application declared void or lapsed