NO138421C - Lukket reduksjonsovn. - Google Patents

Lukket reduksjonsovn.

Info

Publication number
NO138421C
NO138421C NO742847A NO742847A NO138421C NO 138421 C NO138421 C NO 138421C NO 742847 A NO742847 A NO 742847A NO 742847 A NO742847 A NO 742847A NO 138421 C NO138421 C NO 138421C
Authority
NO
Norway
Prior art keywords
closed reduction
reduction oven
oven
closed
reduction
Prior art date
Application number
NO742847A
Other languages
English (en)
Other versions
NO742847L (no
NO138421B (no
Inventor
Heinz Stark
Original Assignee
Demag Ag
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
Priority claimed from DE19732340104 external-priority patent/DE2340104C3/de
Application filed by Demag Ag filed Critical Demag Ag
Publication of NO742847L publication Critical patent/NO742847L/no
Publication of NO138421B publication Critical patent/NO138421B/no
Publication of NO138421C publication Critical patent/NO138421C/no

Links

Classifications

    • 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
    • F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
    • F27D25/001—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag comprising breaking tools, e.g. hammers, drills, scrapers
    • 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
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • 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
    • F27B3/16—Walls; Roofs
    • 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
    • F27B3/18—Arrangements of devices for charging
    • F27B3/183—Charging of arc furnaces vertically through the roof, e.g. in three points
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0083—Means for stirring the charge
    • 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0085—Movement of the container or support of the charge in the furnace or in the charging facilities
    • F27D2003/0087—Rotation about a vertical axis
    • 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
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0073—Seals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Glass Compositions (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
NO742847A 1973-08-08 1974-08-07 Lukket reduksjonsovn. NO138421C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732340104 DE2340104C3 (de) 1973-08-08 Geschlossener Reduktionsofen

Publications (3)

Publication Number Publication Date
NO742847L NO742847L (no) 1975-03-10
NO138421B NO138421B (no) 1978-05-22
NO138421C true NO138421C (no) 1978-08-30

Family

ID=5889190

Family Applications (1)

Application Number Title Priority Date Filing Date
NO742847A NO138421C (no) 1973-08-08 1974-08-07 Lukket reduksjonsovn.

Country Status (5)

Country Link
US (1) US3909499A (no)
BR (1) BR7406499D0 (no)
CA (1) CA1024570A (no)
NO (1) NO138421C (no)
ZA (1) ZA745067B (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159392A (en) * 1978-01-18 1979-06-26 Johns-Manville Corporation Apparatus for mounting a primary electrode
US4255184A (en) * 1978-07-18 1981-03-10 Japan Metals & Chemicals Co., Ltd. Method and apparatus for refining ferrosilicon
FI66487C (fi) * 1980-06-19 1984-10-10 Outokumpu Oy Anordning foer foerflyttning av fast material som matas pao ytn av en smaelta samt foer krossning av slaggskorpa som bi ldts pao smaeltans yta
FI60610C (fi) * 1980-06-19 1982-02-10 Outokumpu Oy Saett att blanda en het ugnsgas med en annan gas foere avlaegsning av ugnsgasen fraon ugnen samt huv doerfoer
CN103924033B (zh) * 2014-04-03 2015-09-16 宝钢工程技术集团有限公司 耐材圈

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2313837A (en) * 1940-03-26 1943-03-16 Nissim Raoul Electric arc furnace with removable hearth or roof
US2868860A (en) * 1954-09-22 1959-01-13 Elektrokemisk As Furnace for steel production
DE1608228B2 (de) * 1968-03-19 1974-01-31 Demag-Elektrometallurgie Gmbh, 4100 Duisburg Verfahren zur Stabilisierung des Reduktionsprozesses beim Betrieb von geschlossenen Reduktionsofen
US3721743A (en) * 1970-09-25 1973-03-20 Tanabe Kakoki Co An electric smelting furnace of the closed type
US3674903A (en) * 1971-04-20 1972-07-04 Lukens Steel Co Method and apparatus for reducing air infiltration into electric arc furnace during the charging and melting operation

Also Published As

Publication number Publication date
NO742847L (no) 1975-03-10
CA1024570A (en) 1978-01-17
DE2340104B2 (de) 1975-06-05
US3909499A (en) 1975-09-30
DE2340104A1 (de) 1975-02-27
BR7406499D0 (pt) 1975-09-09
ZA745067B (en) 1975-10-29
NO138421B (no) 1978-05-22

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