BFG typical compositionBFG components could be changed with BF operating conditions oxygen-rich operation, blast humidity and Internal reaction bosh heat, material distribution mode, upd
Trang 1BFG treatment and sensor
Trang 3BFG treatment system
BFG treatment system
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Trang 4BFG typical composition
BFG components could be changed with BF operating conditions (oxygen-rich operation, blast humidity) and Internal reaction (bosh heat, material distribution mode, updraft path ).
Trang 5BFG treatment system
Trang 7dust catcher (about 50% efficiency) cyclone (about 80-90% efficiency)
Dust catcher
Trang 8Dust catcher efficiency
ITEM Gas Flow Inlet Tmp Inlet Press Inlet Dust Outlet Dust POSCO E&C 645,000 300C 2.5 Bar 20g/Nm3 5~10 g/Nm3
Paul Wurth 608,000 150C 2.5 Bar 20g/Nm3 < 1.8 g/Nm3
Trang 9Cyclone dust catcher character
Trang 10TRT
Trang 11PW BFG water washing and demist system
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(2)
(3) (4)
Trang 12PW cyclone
Trang 13PW cyclone wear-resistant coating
Trang 14PW cyclone wear-resistant coating
Trang 15PW cyclone wear-resistant coating
Trang 16PW water spray nozzle
Trang 17PW BFG water spray scrubber
Trang 18TRT (Top gas Recovery Turbine)
Trang 20BF sensor type
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Trang 21BF top thermometer