Evaluation of DRI Produced with Organic Binder Pellets
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摘要: 以氧化鐵皮為原料,采用有機粘結劑"CC"和以皂土為粘結劑,生產球團作對比試驗。結果表明:有機粘結劑"CC"和皂土均可降低生球長大速度,提高生球、干球落下和抗壓強度,但生產同樣質量的球團礦,"CC"的用量只有皂土用量的1/10。且其直接還原鐵(DIR)產品質量優于皂土球團。Abstract: This paper compared "CC"-pellets(pellet with organic material as binder), using roll scale as raw material and low cost coal as reductant. The results showed that "CC" and bentonite may reduce growth speed of green pellets and increase strengths of green and dry pellets, but "CC" addition rates were only one-tenth of that of bentonite producing the same quality pellets. DRI (Direct Reduction Iron)produced with "CC"-pellets were superior to that of bentonite pellets.
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Key words:
- direct ironmaking /
- direct reduction /
- pelleting/organic binder
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