The Scientific World Journal / 2013 / Article / Tab 4

Review Article

Advances in Energy Conservation of China Steel Industry

Table 4

Data of waste heat and resource and its recovery situation of CSI.

Waste resource typeTechnical parameterAmount of waste resource (GJ/t)Average recovery resource (GJ/t)Recovery rate (%)

BF top gas waste pressure0.15 MPa–0.25 MPa0.300.2583.3
LDG chemical energy8360 kJ/m30.840.5869.0
Waste heatHigh, moderate, and low temperature8.442.1725.7

Total9.583.0031.3

The steel ratio coefficient of iron-making process is set as 1.0.