Brown coal semi-coke reducing agent used for industrial silicon production and preparation method thereof
The invention relates to a brown coal semi-coke reducing agent used for industrial silicon production and a preparation method thereof, and belongs to the technical field of metallurgy chemical engineering. The brown coal semi-coke reducing agent used for the industrial silicon production is an obla...
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| creator | SHEN QIANGHUA CHEN WEN WENG QIAOYUN HUANG WENHAO CHEN SHENG |
| description | The invention relates to a brown coal semi-coke reducing agent used for industrial silicon production and a preparation method thereof, and belongs to the technical field of metallurgy chemical engineering. The brown coal semi-coke reducing agent used for the industrial silicon production is an oblate spheroid with the length being 30-40 mm, the width being 25-30 mm, the thickness being 15-30 mm and the compressive strength being larger than 5 MPa. The reducing agent comprises more than 80 wt% of fixed carbon, 3-15 wt% of a volatile component, smaller than 5 wt% of moisture and smaller than 4 wt% of ash. The ash comprises smaller than 2.4 wt% of Fe. The high-temperature specific resistance (1100 DEG C) is larger than 3500 microhm*m. The reactivity (1100 DEG C) of the reducing agent ranges from 80% to 90%. The brown coal semi-coke reducing agent used for the industrial silicon production is prepared through the method of brown coal rapid carbonization, brown coal semi-coke fine grinding, drainage oil agglomera |
| format | Patent |
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The brown coal semi-coke reducing agent used for the industrial silicon production is an oblate spheroid with the length being 30-40 mm, the width being 25-30 mm, the thickness being 15-30 mm and the compressive strength being larger than 5 MPa. The reducing agent comprises more than 80 wt% of fixed carbon, 3-15 wt% of a volatile component, smaller than 5 wt% of moisture and smaller than 4 wt% of ash. The ash comprises smaller than 2.4 wt% of Fe. The high-temperature specific resistance (1100 DEG C) is larger than 3500 microhm*m. The reactivity (1100 DEG C) of the reducing agent ranges from 80% to 90%. 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| language | chi ; eng |
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| subjects | CHEMISTRY COMPOUNDS THEREOF DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS FUELS INORGANIC CHEMISTRY LUBRICANTS METALLURGY NON-METALLIC ELEMENTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | Brown coal semi-coke reducing agent used for industrial silicon production and preparation method thereof |
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