Blast Furnaces
Mostrando 13-19 de 19 artigos, teses e dissertações.
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13. Otimização da operação do alto-forno 1 da V&M do Brasil com "STAVE COOLER" através da distribuição de carga no topo do forno.
V&M Brazil Blast Furnace 1 is the first charcoal operating furnace in the world with copper "stave cooler". As a new technology, for this type of reactor, the furnace operation was started taking in account some basis already used in coke Blast furnaces. But, it was not enough; and after start up, we observed a great variation in thermal losses of refrigerat
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 31/10/2006
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14. Thermal analysis evaluation of the reactivity of coal mixtures for injection in the blast furnace
Pulverized Coal Injection (PCI) is an important standard technology replacing coke partially by pulverized coal into the blast furnace that allows a significant reduction of hot metal costs and environmental impact, contributing to a decrease of coke requirements for ironmaking. Coals typically used in this process in Brazil are, at current time, exclusively
Materials Research. Publicado em: 2006-03
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15. Desenvolvimento de um modelo de predição de condições operacionais de altos-fornos siderugicos com base em redes neurais artificiais / Development of a prediction model for ironmaking blast furnace operational conditions based on artificial neural networks
This work describes the development of a model capable of evaluating and predicting iron ore reduction process in blast-furnaces based on raw materiais characteristics as well as burden and blast composition. It provides a planning and analysing toll to operators and process engineers. The motivation for this development resides on the lack of this kind of m
Publicado em: 2006
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16. Utilização de escoria de alto-forno a carvão vegetal como adição no concreto / The use of blast furnace slag from charcola as addition in concrete
Este estudo teve como objetivo principal avaliar propriedades oriundas da adição de escória de alto-forno à carvão vegetal, do concreto no estado fresco e endurecido, produzido com cimentos que já utilizam em sua composição a escória de alto-forno. Com a determinação da quantidade de escória de alto-forno pelo método de dissolução seletiva, fo
Publicado em: 2005
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17. Analise quantitativa da composição de escorias siderurgicas pelo metodo de espectroscopia e difração de raios-X / Quantitative analysis of the composition of metallurgical slag by x-ray fluorescence spectroscopy and x-ray diffraction
A indústria siderúrgica é historicamente um setor que produz impactos ambientais inerentes ao seus processos de produção. Anualmente são gerados 135 milhões de toneladas de escórias para uma produção de 700 milhões de toneladas de aço. As novas regulamentações dos órgãos ambientais têm motivado a pesquisa em busca de novas aplicações deste
Publicado em: 1992
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18. Analise e implementação de metodos de geração de programas de produção para sistemas modernos de manufatura
A knowledge based system for real time supervisory control and operational guidance has been developed for blast furnaces of steel plants, with enfasis in on-line and real time process control aspects. The knowledge based system is part of a blast furnace supervisory control system which includes not only an usual distributed control and monitoring equipment
Publicado em: 1985
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19. A nested case-control study of fatal work related injuries among Brazilian steel workers.
OBJECTIVES: To estimate the relative risk of death from work related injury in a steelworks, associated with exposure to various occupational hazards, sociodemographic factors, and medical history. MATERIAL AND METHODS: The study was a nested case-control design. It was based on a cohort of men employed in the steel plant of USIMINAS, Brazil between January