4.2 Requirement on Fuel
4.2.1 The coke oven gas for battery heating shall meet the following requirements:
1 Low calorific value:Qnet≥16500KJ/m3;
2 Quality index:H2S≤300mg/m3,NH3≤100mg/m3,naphthalene≤500mg/m3,tar≤50mg/m3;
3 Pressure shall remain stable,with pressure at take over point P≥3.5kPa.
4.2.2 The mixed gas for battery heating shall meet the following requirements:
1 Low calorific value:Qnet≥3980KJ/m3;
2 Quality index:dust content<15mg/m3,temperature(wet dedusting)<45℃;
3 Pressure shall remain stable,with pressure at take over point P≥4.0kPa;
4 The coke oven gas to be blended should not be more than 10%.
4.2.3 The generator gas for battery heating shall meet the following requirements:
1 Low calorific value:Qnet≥5020KJ/m3;
2 Quality index:dust content<15mg/m3,tar≤20mg/m3;
3 Pressure shall remain stable,with pressure at take over point P≥4.0kPa.