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2015•Journal of Northeastern UniversityRequires access

Application of DMF Ore for Sintering of Cr-Bearing Vanadium and Titanium Magnetite

Miao Zhou

Open publisher page 1 citations

Abstract

Low grade and cheap hematite ore( DMF) was researched for sintering of Cr-bearing vanadium and titanium magnetite( V-Ti-Cr) via sessile drop measuring setup,miniature sintering setup and sintering pot tests. The results showed that DMF has a good fluidity with a wide melting range,a long melting time,and the beginning and ending temperature that liquid generated are low along with a small value of security liquid velocity(0. 125 mm / min). Therefore,DMF can be used as a matching ore in V-Ti-Cr mixture to make up the disadvantage that V-Ti-Cr sinter owns an insufficient liquid content. Sinter pot tests showed that the optimal additive ratio of DMF is 10%,which is helpful to stabilize the blast furnace operation.

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What this paper is about

Low grade and cheap hematite ore( DMF) was researched for sintering of Cr-bearing vanadium and titanium magnetite( V-Ti-Cr) via sessile drop measuring setup,miniature sintering setup and sintering pot tests. The results showed that DMF has a good fluidity with a wide melting range,a long melting time,and the beginning and ending temperature that liquid generated are low along with a small value of security liquid velocity(0. 125 mm / min). Therefore,DMF can be used as a matching ore in V-Ti-Cr mixture to make up the disadvantage that V-Ti-Cr sinter owns an insufficient liquid content. Sinter pot tests showed that the optimal additive ratio of DMF is 10%,which is helpful to stabilize the blast furnace operation.

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Available abstract

Low grade and cheap hematite ore( DMF) was researched for sintering of Cr-bearing vanadium and titanium magnetite( V-Ti-Cr) via sessile drop measuring setup,miniature sintering setup and sintering pot tests. The results showed that DMF has a good fluidity with a wide melting range,a long melting time,and the beginning and ending temperature that liquid generated are low along with a small value of security liquid velocity(0. 125 mm / min). Therefore,DMF can be used as a matching ore in V-Ti-Cr mixture to make up the disadvantage that V-Ti-Cr sinter owns an insufficient liquid content. Sinter pot tests showed that the optimal additive ratio of DMF is 10%,which is helpful to stabilize the blast furnace operation.

Key concepts: Sintering, Vanadium, Magnetite, Materials science, Metallurgy, Titanium, Blast furnace, Hematite

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Application of DMF Ore for Sintering of Cr-Bearing Vanadium and Titanium Magnetite — Research Paper | ScholarLens