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 type | Technical parameter | Amount of waste resource (GJ/t) | Average recovery resource (GJ/t) | Recovery rate (%) |
| BF top gas waste pressure | 0.15 MPa–0.25 MPa | 0.30 | 0.25 | 83.3 | LDG chemical energy | 8360 kJ/m3 | 0.84 | 0.58 | 69.0 | Waste heat | High, moderate, and low temperature | 8.44 | 2.17 | 25.7 |
| Total | | 9.58 | 3.00 | 31.3 |
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The steel ratio coefficient of iron-making process is set as 1.0.
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