Blast furnace
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jan 31, 2017
Grant Date -
Jan 8, 2015
app pub date -
Jan 16, 2013
filing date -
Jan 18, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A blast furnace includes: a blast furnace body; raw material charging means for charging raw material into the blast furnace body; hot air blowing means for blowing hot air into the blast furnace body; a drying apparatus etc. for evaporating moisture in low-grade coal; a dry distillation apparatus etc. for carbonizing dried coal; a cooling apparatus etc. for cooling carbonized coal; a pulverization apparatus etc. for pulverizing the carbonized coal cooled by the cooling apparatus; a storage tank for storing powdered coal; a nitrogen gas supply source, a conveyor line and a cyclone separator etc. for conveying the powdered coal pulverized by the pulverization apparatus to the inside of the storage tank by generating a gas flow with the nitrogen gas; and an injection lance etc. for feeding the powdered coal inside the storage tank to hot air that is blown into the blast furnace body.
First Claim
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International Classification(s)
- C10L:FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYN....
- F27B:FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPE....
- F27D:DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, ....
- C10F:DRYING OR WORKING-UP OF PEAT
- C21B:MANUFACTURE OF IRON OR STEEL
- C10B:DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS....
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