T/SXCIES 002-2023 Residual Heat Utilization Technology Specification for Gashill Part 1: Heat Extraction Technology

Scope

Main Technical Content: Introduction The "Technical Specifications for the Utilization of Waste Heat from Coal Gangue Heaps" aim to standardize engineering activities related to waste heat utilization and CO2 emission reduction assessment in the management of coal gangue heaps. The document consists of three parts: - **Part 1: Heat Extraction Technology** - **Part 2: Heat Utilization** - **Part 3: System Efficiency Evaluation** The methods of waste heat utilization from coal gangue heaps include two approaches: 1. **Direct Utilization**: Extracting heat from coal gangue at temperatures above 50°C using heat extraction devices, excluding heat losses from these devices. 2. **Indirect Utilization**: Extracting heat from coal gangue using heat storage and release systems. To evaluate carbon emissions during coal gangue management, the CO2 emission reduction amount during waste heat utilization is calculated using the emission factor method based on the traditional energy substitution of the gangue heap system, in accordance with GB/T 33760-2017, "Technical Specifications for the Evaluation of Greenhouse Gas Emission Reduction Amounts Based on Projects - General Requirements". A carbon emission report is also provided. **Technical Specifications for the Utilization of Waste Heat from Coal Gangue Heaps - Part 1: Heat Extraction Technology** 1. Scope This document specifies the terminology, definitions, classification, general requirements, management of engineering operations, carbon emission reporting requirements, and safety management requirements for the utilization of waste heat from coal gangue heaps. 2. Normative references The following documents are essential for this document through normative references. Note that the referenced documents with dates apply only to the corresponding versions on that date; those without dates apply to the latest version (including all amendments). - GB/T 213: Methods for Determining the Heating Value

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