GB/T 40084-2021 in English

This standard constructs an energy management performance evaluation framework for the steel industry that includes 3 types of evaluation indicators and a 4-level evaluation system, with key specifications:

• Evaluation boundary division: clarify the scope of the main production system (coking, ironmaking, etc.), auxiliary production system (power, power supply, etc.), and ancillary production system
• Data collection requirements: must comply with the measurement specifications of GB17167 and GB/T21368
• Maturity evaluation method: quote the evaluation dimensions of GB/T39775-2021

Calculation example

The energy consumption of the coking process of a certain enterprise is 121kgce/t, which is in the B-level range (115-125kgce/t). Score calculation:
8+(10-8)×(125-121)/(125-115)=8.8 points

Enterprise application path

1. Establish a cross-departmental evaluation team and clarify the scope of energy statistics
2. Improve the measurement system in accordance with standards such as GB21256
3. Prepare an evaluation report according to the template in Appendix A
4. Link the evaluation results with the ISO50001 system

Precautions

• The evaluation base period should be selected from the year with stable production
• Major process modifications require re-setting of benchmark values
• Pay attention to the priority of local standards and national standards

Breakthroughs of this standard compared with traditional energy consumption assessment:

• Expanding from a single energy consumption limit to management maturity evaluation
• Introducing dynamic improvement rate indicators to encourage continuous improvement
• For the first time, the evaluation boundary division rules for steel enterprises are clarified
• Forming a matching system with the GB/T23331 energy management system