BR7406499D0 - Forno de reducao fechado aperfeicoado - Google Patents
Forno de reducao fechado aperfeicoadoInfo
- Publication number
- BR7406499D0 BR7406499D0 BR6499/74A BR649974A BR7406499D0 BR 7406499 D0 BR7406499 D0 BR 7406499D0 BR 6499/74 A BR6499/74 A BR 6499/74A BR 649974 A BR649974 A BR 649974A BR 7406499 D0 BR7406499 D0 BR 7406499D0
- Authority
- BR
- Brazil
- Prior art keywords
- perfected
- closed reduction
- reduction oven
- oven
- closed
- Prior art date
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)
- Sorption Type Refrigeration Machines (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
- Glass Compositions (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732340104 DE2340104C3 (de) | 1973-08-08 | Geschlossener Reduktionsofen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7406499D0 true BR7406499D0 (pt) | 1975-09-09 |
Family
ID=5889190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR6499/74A BR7406499D0 (pt) | 1973-08-08 | 1974-08-07 | Forno de reducao fechado aperfeicoado |
Country Status (5)
Country | Link |
---|---|
US (1) | US3909499A (fr) |
BR (1) | BR7406499D0 (fr) |
CA (1) | CA1024570A (fr) |
NO (1) | NO138421C (fr) |
ZA (1) | ZA745067B (fr) |
Families Citing this family (5)
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 |
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 |
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 |
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)
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 |
-
1974
- 1974-08-01 CA CA206,265A patent/CA1024570A/fr not_active Expired
- 1974-08-05 US US494479A patent/US3909499A/en not_active Expired - Lifetime
- 1974-08-07 NO NO742847A patent/NO138421C/no unknown
- 1974-08-07 BR BR6499/74A patent/BR7406499D0/pt unknown
- 1974-08-08 ZA ZA00745067A patent/ZA745067B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3909499A (en) | 1975-09-30 |
NO742847L (fr) | 1975-03-10 |
DE2340104A1 (de) | 1975-02-27 |
DE2340104B2 (de) | 1975-06-05 |
NO138421C (no) | 1978-08-30 |
ZA745067B (en) | 1975-10-29 |
CA1024570A (fr) | 1978-01-17 |
NO138421B (no) | 1978-05-22 |
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