BRPI0501005A - Iron ore pellets made from high goethite concentrate and its production process - Google Patents
Iron ore pellets made from high goethite concentrate and its production processInfo
- Publication number
- BRPI0501005A BRPI0501005A BRPI0501005-5A BRPI0501005A BRPI0501005A BR PI0501005 A BRPI0501005 A BR PI0501005A BR PI0501005 A BRPI0501005 A BR PI0501005A BR PI0501005 A BRPI0501005 A BR PI0501005A
- Authority
- BR
- Brazil
- Prior art keywords
- iron ore
- concentrate
- production process
- ore pellets
- pellets made
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 8
- 239000012141 concentrate Substances 0.000 title abstract 4
- 229910052742 iron Inorganic materials 0.000 title abstract 4
- 239000008188 pellet Substances 0.000 title abstract 4
- 229910052598 goethite Inorganic materials 0.000 title abstract 2
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- 230000004907 flux Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- 238000010304 firing Methods 0.000 abstract 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
"PELOTAS DE MINéRIO DE FERRO FABRICADAS A PARTIR DE CONCENTRADO COM ALTO TEOR DE GOETHITA E PROCESSO DE PRODUçãO DA MESMA". As pelotas de minério de ferro são produzidas por processo no qual o concentrado de minério de ferro é misturado com os aglomerantes e fundentes, sendo, a seguir, pelotizado em disco rotativos; os elementos resultantes são pelotas formadas que são transportadas para um forno de grelha móvel, onde passam por um processo de queima. A utilização de concentrados de minério temperaturas acima de 200 <198>C com tempo de residência de 3 a 30 minutos para promover a quebra e a geração de novas superfícies antes da mistura com aglomerantes e fundentes."IRON ORE PELLETS MANUFACTURED FROM CONCENTRATE WITH HIGH GOETHITE CONTENT AND SAME PRODUCTION PROCESS". Iron ore pellets are produced by a process in which iron ore concentrate is mixed with binders and fluxes, and is then pelletized in rotating discs; The resulting elements are formed pellets which are transported to a movable grate furnace where they undergo a firing process. The use of ore concentrates at temperatures above 200 ° C with residence time of 3 to 30 minutes to promote breakage and generation of new surfaces prior to mixing with binders and fluxes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI0501005-5 BRPI0501005B1 (en) | 2005-03-29 | 2005-03-29 | IRON ORE PELLET PRODUCTION PROCESS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BRPI0501005-5 BRPI0501005B1 (en) | 2005-03-29 | 2005-03-29 | IRON ORE PELLET PRODUCTION PROCESS |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0501005A true BRPI0501005A (en) | 2006-11-21 |
| BRPI0501005B1 BRPI0501005B1 (en) | 2014-02-18 |
Family
ID=37434429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0501005-5 BRPI0501005B1 (en) | 2005-03-29 | 2005-03-29 | IRON ORE PELLET PRODUCTION PROCESS |
Country Status (1)
| Country | Link |
|---|---|
| BR (1) | BRPI0501005B1 (en) |
-
2005
- 2005-03-29 BR BRPI0501005-5 patent/BRPI0501005B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BRPI0501005B1 (en) | 2014-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/03/2005, OBSERVADAS AS CONDICOES LEGAIS. |
|
| B25M | Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette] |
Owner name: SAMARCO MINERACAO S.A. (BR/MG) Free format text: ANOTACAO DE LIMITACAO OU ONUSREFERENCIA: PROCESSO SINPI/SEI 52402.005510/2018-81 FICA ANOTADA A INDISPONIBILIDADE DA REFERIDA PATENTE, DE ACORDO COM O ART. 59, II, DA LPI, CONFORME DETERMINADO PELO MM. JUIZ FEDERAL DA 27A VARA FEDERAL. CONFORME A MESMA DETERMINACAO NAO SERA POSSIVEL A TRANSFERENCIA DESTA, SALVO A AUTORIZACAO DESSE JUIZO. |
|
| B25M | Entry on limitation or onus of patent assignment [chapter 25.13 patent gazette] |
Owner name: SAMARCO MINERACAO S.A. (BR/MG) Free format text: ANOTACAO DE LIMITACAO OU ONUSREFERENCIA: PROCESSO SINPI/SEI 52402.005792/2018-17 CONFORME DETERMINADO PELA MMA. JUIZA FEDERAL MARIA ADNA FAGUNDES VELOSO DA 15A VARA NA TITULARIDADE DA 27A VARA FEDERAL, FICA ANOTADO CANCELAMENTO PROVISORIO DA INDISPONIBILIDADE PUBLICADA NA RPI 2489 DE 18/09/2018, DE ACORDO COM O ART. 59, II, DA LPI. |
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| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 29/03/2025 |
|
| B21I | Extinguishment of a patent or of a certificate of addition of invention: publication cancelled |
Free format text: ANULADA A PUBLICACAO CODIGO 21.1 NA RPI NO 2826 DE 06/03/2025 POR TER SIDO INDEVIDA. |