Applications
Steel Applications
Industry (Facility)
Service
Parameter
Range
Background
Teledyne Model
Please review air separation applications for air sep plants located on-site of a steel manufacturing facility.
Blast FurnacePig Iron Production
Upper portion of furnace / stack (Hot reducing atmosphere) aka - "Top Gas"
Percent CO & CO2
0-40%
N2, H2, O2, H2Ov
7500Z (Dual bench)
Percent H2
0-20%
N2, CO / CO2, H2Ov
2000A
Percent O2
0-2, 0-5%
Series 3000P
Basic oxygen furnace - BOF Top Blown Furnace
Oxidation of carbon in molten Pic Iron via addition of high purity O2 + steel making fluxAnalysis point = duct above hood
N2, H2, O2, H2Ov
7500Z (Dual bench)
0-10%
2000A
0-5%
Series 3000PB
Coke Oven for Benzene emissions control
Coke plant storage tanks & coke oven gas before electrostatic precipitator
Percent O2(for Benzene emissions control)
0-2, 0-10%
Coke oven gas
3020P
Heat Treating / Annealing Furnace
Hydrogen / N2 blanketing for colored oxide prevention
PPM O2
0-10 ppm or less
H2 / N2
Series 3000T / 3110 for spot checking
0-5, 10, 20% H2
N2
Series 2000
Hot Strip Mill
High temp furnace (1400°C)O2 detection to prevent brittlement of steel slabs
0-5, 0-10%
N2, H2Ov, CO2
9060Z extractive high temp probe and sample chamber with eductor
Dust collection system / baghouses - air leak detection
Percent O2 and/or CO
0-2,000 ppm CO
Air + dust from BOF, coke oven
7500Z NDIR
Continuous Caster
On the caster or tundishPrevent slag oxidation of steel
0-10, 0-100 ppm
N2 / Ar blanketing
3000TA / 3110
Direct reduced iron
Multiple locations in plant
O2 / H2 / CO / CO2
PPM and Percent Levels
Process / Flue gas
3000 / 2000 / 7500Z