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Blast Furnace Gas Measuring Points and Solutions

Blast Furnace Gas Measuring Points and Solutions

In the blast furnace smelting process, blast furnace gas is the emission gas from the top stack through dedusting, filtering, and purging. As a byproduct material in the blast furnace process, blast furnace gas is flammable and explosive. Therefore, an online monitoring system is required in the production process to ensure production safety.

Blast Furnace Gas Measuring Points and Solutions

NO. Measurement
point
Temperature
Pressure Measurement components
Detection purpose
Recommend products*
1 Bag dedusting
down stream
200℃
0.2MPa CO, CO2, O2,
CH4, H2
Safety monitoring combustion, control
hydrogen analyzer
LGT-100
Hydrogen analyzer

2 Hot-air pipe line
200-400℃
/ O2 Monitoring O2 concentration of main pipe,
adjust production devices,
realize production optimization
LGT-100
3 Hot-air stove exhaust gas
200-400℃
Minute
positive
gas
CO, O2 Control combustion efficiency
LGT-100
4 Emission stack
/ /
NOX, SO2, etc.
Online monitoring concentration of
exhaust gas
EM-5

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