MT/T 1232-2025 Design standard for the utilization of mine return airflow waste heat of coal industry

GBJ 22 GB/T 8175-1987 Guide for design of thermal insulation of equipments and pipes GB/T 8175-2008 Guide for design of thermal insulation of equipments and pipes GB/T 8175-2025 Guide for design of thermal insulation of equipments and pipes GB/T 17167-1997 Guides for providing and managing of the measuring instruments of energy in enterprise GB 17167-2006 General principle for equipping and managing of the measuring instrument of energy in organization of energy using GB 17167-2025 General rules for energy measuring instrument equipping and managing of energy user GB/T 19409-2013 Water-source(ground-source)heat pumps GB/T 19923-2005 The reuse of urban recycling water—Water quality standard for industrial uses GB/T 19923-2024 Reuse of urban recycling water—Water quality standard for industrial uses GB/T 29044-2012 Water quality for heating and air conditioning systems GB 50016-2014 Code for fire protection design of buildings GB 50019-2015 Design code for heating ventilation and air conditioning of industrial buildings GB 50034-2013 Standard for lighting design of buildings GB/T 50050-2017 Code for design of industrial recirculating cooling water treatment GB 50052-2009 Code for design electric power supply systems GB 50053-2013 Code for design of 20kV and below substation GB 50054-2011 Code for design of low voltage electrical installations GB 50055-2011 Code for design of electric distribution of general-purpose utilization equipment GB 50057-2010 Code for design protection of structures against lightning GB 50058-2014 Code for design of electrical installations in explosive atmospheres GB/T 50065-2011 Code for design of ac electrical installations earthing GB 50140-2005 Code for design of extinguisher distribution in buildings GB 50187-2012 Code for design of general layout of industrial enterprises GB 50215-2015 Code for design of mine of coal industry GB 50217-2018 Standard for design of cables of electric power engineering GB/T 50466-2018 Code for design of heating ventilation and air conditioning of coal industry GB 50583-2020 Code for design of building and structure of coal mine of preparation plant GB 50810-2012 Code for design of water supply and drainage of coal industry GB 50974-2014 Code of design on fire protection water supply and hydrant systems GB 51245-2017 Unified standard for energy efficiency designof industrial buildings GB 51251-2017 Technical standard for smoke management systems in buildings GB 55037-2022 Building Fire Protection General Standards MT 113-1995 Flame and Electrostatic Resistance Test Method and Criteria for Polymer Products Used in Coal Mine Underground Workplaces NB/T 51048-2016 Spray-type mine return air heat exchanger NB/T 51049-2016 NB/T 51049-2016 Mining exhaust waste heat comprehensive utilization system energy saving evaluation