T/HNCAA 049-2023 Active

Scope: This document specifies the terms and definitions of energy consumption per unit product of ready-mixed concrete, energy consumption limits, statistical scope, statistical methods and calculation methods, as well as energy-saving management and technical measures. This document is applicable to ready-mixed concrete production enterprises for the calculation, assessment, and energy-saving management of energy consumption per unit product. Main technical content: 1. Scope 2. Normative reference documents 3. Terms and definitions 3.1 Ready-mixed concrete 3.2 Energy consumption in ready-mixed concrete production 3.3 Energy consumption per unit product in ready-mixed concrete production 3.4 Energy consumption in ready-mixed concrete transportation 3.5 Energy consumption per unit product in ready-mixed concrete transportation 4. Energy consumption limit requirements 4.1 Limit values for energy consumption per unit product of ready-mixed concrete 4.2 Entry values for energy consumption per unit product of ready-mixed concrete 4.3 Advanced values for energy consumption per unit product of ready-mixed concrete 5. Statistical scope, statistical methods, and calculation methods 5.1 Statistical scope 5.2 Statistical methods 5.3 Calculation methods 6. Energy-saving management and technical measures 6.1 Energy-saving management 6.2 Technical measures Appendix A: Reference coefficients for converting partial energy into standard coal