CA968957A - Scrap treatment - Google Patents
Scrap treatmentInfo
- Publication number
- CA968957A CA968957A CA139,623A CA139623A CA968957A CA 968957 A CA968957 A CA 968957A CA 139623 A CA139623 A CA 139623A CA 968957 A CA968957 A CA 968957A
- Authority
- CA
- Canada
- Prior art keywords
- scrap treatment
- scrap
- treatment
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
- F27D13/002—Preheating scrap
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0086—Conditioning, transformation of reduced iron ores
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/56—Manufacture of steel by other methods
- C21C5/562—Manufacture of steel by other methods starting from scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/005—Preliminary treatment of scrap
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
- C22B7/04—Working-up slag
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B9/00—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals
- C22B9/10—General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals with refining or fluxing agents; Use of materials therefor, e.g. slagging or scorifying agents
-
- 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
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
-
- 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
- Y02P10/20—Recycling
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13828371A | 1971-04-28 | 1971-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA968957A true CA968957A (en) | 1975-06-10 |
Family
ID=22481326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA139,623A Expired CA968957A (en) | 1971-04-28 | 1972-04-13 | Scrap treatment |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS5511727B1 (en) |
CA (1) | CA968957A (en) |
DE (1) | DE2220219A1 (en) |
ES (1) | ES402172A1 (en) |
FR (1) | FR2134467B1 (en) |
GB (1) | GB1346722A (en) |
IT (1) | IT952805B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4113977A (en) * | 1977-08-19 | 1978-09-12 | Brown Boveri Corporation | Preheating system with gas recirculation |
DE19748968C1 (en) * | 1997-11-06 | 1999-06-10 | Metallgesellschaft Ag | Process for producing a mixture of iron carbide and granular, directly reduced iron |
CN114231693A (en) * | 2021-12-20 | 2022-03-25 | 欧冶链金再生资源有限公司 | Scrap steel packaging block and manufacturing method thereof and steel making method |
-
1972
- 1972-04-13 CA CA139,623A patent/CA968957A/en not_active Expired
- 1972-04-24 GB GB1894372A patent/GB1346722A/en not_active Expired
- 1972-04-25 DE DE19722220219 patent/DE2220219A1/en not_active Ceased
- 1972-04-25 FR FR7214576A patent/FR2134467B1/fr not_active Expired
- 1972-04-26 JP JP4147072A patent/JPS5511727B1/ja active Pending
- 1972-04-27 ES ES402172A patent/ES402172A1/en not_active Expired
- 1972-04-27 IT IT4990072A patent/IT952805B/en active
Also Published As
Publication number | Publication date |
---|---|
FR2134467B1 (en) | 1976-08-06 |
IT952805B (en) | 1973-07-30 |
FR2134467A1 (en) | 1972-12-08 |
DE2220219A1 (en) | 1972-11-09 |
ES402172A1 (en) | 1975-03-01 |
JPS5511727B1 (en) | 1980-03-27 |
GB1346722A (en) | 1974-02-13 |
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