GB1418049A - Process and plant for producing shaped articles - Google Patents
Process and plant for producing shaped articlesInfo
- Publication number
- GB1418049A GB1418049A GB2781273A GB2781273A GB1418049A GB 1418049 A GB1418049 A GB 1418049A GB 2781273 A GB2781273 A GB 2781273A GB 2781273 A GB2781273 A GB 2781273A GB 1418049 A GB1418049 A GB 1418049A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pellets
- bunker
- hardening
- pelleting
- shaped articles
- 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
-
- 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
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
-
- 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
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/2406—Binding; Briquetting ; Granulating pelletizing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
1418049 Production of iron-containing shaped articles GUTEHOFFNUNGSHUTTE STERKRADE AG 12 June 1973 [6 July 1972] 27812/73 Heading C1A [Also in Division B5] A process for the production and hardening of cold-set shaped articles containing iron compounds comprises shaping a mixture of foundry return material comprising dust from a dust removal plant of an oxygen-blowing converter, and optionally foundry return scraps of pelleting fineness, and a hydraulic binding agent of pelleting fineness into pellets and subsequently hardening the pellets while they are kept in motion relative to each other from their formation at least until the pellets no longer agglomerate when not in motion. The preferred method uses a plant having a pelleting plate for feeding pellets to a bunker, the bunker being arranged to discharge at a discharge rate whereby the bunker remains full and one or more supply pipes, which end in the bunker, for receiving a pile of pellets to form a column, the column of the feed pipes being such that the pellets remain in the feed pipes for 2-5 hours. Hardening of the pellets can be accelerated by blowing in hot air or steam. The pellets can be further hardened under water, the water for hardening can be flowed in a cycle and/or heated to a temperature of from 40-70‹ C.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722233133 DE2233133C2 (en) | 1972-07-06 | Hardening of cold-bonded, iron-containing pellets |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1418049A true GB1418049A (en) | 1975-12-17 |
Family
ID=5849840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2781273A Expired GB1418049A (en) | 1972-07-06 | 1973-06-12 | Process and plant for producing shaped articles |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5532770B2 (en) |
| BE (1) | BE800576A (en) |
| FR (1) | FR2192172B1 (en) |
| GB (1) | GB1418049A (en) |
| IT (1) | IT990947B (en) |
| NL (1) | NL7308571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006096952A1 (en) * | 2005-03-17 | 2006-09-21 | Companhia Vale Do Rio Doce | A material for coating iron ore pelletizing disks and drums and a constructive arrangement for pelletizing disks and drums |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125402A (en) * | 1974-08-28 | 1976-03-02 | Nippon Steel Corp | Kinzokusankabutsu no reikanketsugoperetsuto no seizoho |
| JPS5760410B2 (en) * | 1974-09-04 | 1982-12-20 | Nitsushin Seiko Kk | |
| JPS5180609A (en) * | 1975-01-13 | 1976-07-14 | Nippon Steel Corp | REIKANKETSUGOPERETSUTONO SEIZOHO |
| JPS54103702A (en) * | 1978-02-03 | 1979-08-15 | Nippon Kokan Kk <Nkk> | Method of producing non-baked pelletized ore for making pig iron |
| JPH065808Y2 (en) * | 1988-12-09 | 1994-02-16 | 株式会社日本健康増進研究会 | mat |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR361957A (en) * | 1905-12-02 | 1907-01-11 | Wilhelm Schumacher | Process for binding iron ores |
| FR628408A (en) * | 1927-02-02 | 1927-10-24 | Process of agglomeration of dust from blast furnaces, dust from iron ore and similar dust | |
| GB1075335A (en) * | 1964-08-27 | 1967-07-12 | Smidth & Co As F L | Treatment of pellets of ore and the like and kilns for use in this treatment |
-
1973
- 1973-06-07 BE BE2052827A patent/BE800576A/en unknown
- 1973-06-12 GB GB2781273A patent/GB1418049A/en not_active Expired
- 1973-06-20 NL NL7308571A patent/NL7308571A/xx not_active Application Discontinuation
- 1973-07-04 IT IT2621073A patent/IT990947B/en active
- 1973-07-05 FR FR7324702A patent/FR2192172B1/fr not_active Expired
- 1973-07-06 JP JP7585173A patent/JPS5532770B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006096952A1 (en) * | 2005-03-17 | 2006-09-21 | Companhia Vale Do Rio Doce | A material for coating iron ore pelletizing disks and drums and a constructive arrangement for pelletizing disks and drums |
| AU2006225029B2 (en) * | 2006-03-16 | 2011-08-18 | Vale S.A. | A material for coating iron ore pelletizing disks and drums and a constructive arrangement for pelletizing disks and drums |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7308571A (en) | 1974-01-08 |
| JPS5532770B2 (en) | 1980-08-27 |
| FR2192172A1 (en) | 1974-02-08 |
| DE2233133B1 (en) | 1973-07-05 |
| JPS4943813A (en) | 1974-04-25 |
| IT990947B (en) | 1975-07-10 |
| DE2233133A1 (en) | 1973-07-05 |
| FR2192172B1 (en) | 1976-04-30 |
| BE800576A (en) | 1973-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |