TỔNG QUAN LÒ CAO NHÀ MÁY LUYỆN THÉP
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BFG treatment and sensor
Outline
BFG treatment system and sensor
1
BFG treatment system
2
BF sensor
3
BF expert system
4
Blast furnace
1
BFG treatment system
1
BFG treatment system
3
BFG 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 ).
BFG treatment system
BFG treatment process
1.Dust Catcher
2.Scrubber &
Cooling
3.Demister
4.Top gas
Recovery Turbine
Dust catcher
dust catcher (about 50% efficiency)
cyclone (about 80-90% efficiency)
Dust 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
Cyclone dust catcher character
TRT
PW BFG water washing and demist system
(1)
(1)
(2)
(3)
(3)
(4)
(4)
(5)
(5)
(2)
PW cyclone
PW cyclone wear-resistant coating
PW cyclone wear-resistant coating
PW cyclone wear-resistant coating
PW water spray nozzle
PW BFG water spray scrubber
TRT (Top gas Recovery T
urbine
)
BF sensor
2
BF sensor
What kind of sensor does BF need?
3
BF sensor type
4
BF top thermometer
