NB/T 11467-2023 Active

NB/T 11467-2023 Ground Drilling, Expanded Drilling, and Gas Relief Technology Specification for Gas Extraction

This document is applicable to the techniques of ground drilling, cavity excavation, and borehole enlargement for gas extraction during the pressure relief mining of protective layers in coal mines, as well as the enhanced gas extraction (from clean wells) technology.

Publish Date: 2023-12-28

NB/T 11466-2023 Active

NB/T 11466-2023 Mine-activated surface gas drainage straight well construction technical specifications

This document is applicable to ground drilling operations in the mining area.

Publish Date: 2023-12-28

NB/T 11465-2023 Active

NB/T 11465-2023 NB/T 11465-2023 Coal Mine Excavation Area Surface L-type Topping Horizontal Well Gas Extraction Technology Method for Gas Extraction

This document is applicable to the extraction and pressure relief of gas from horizontal wells in the ground L-shaped roof area of coal mining areas.

Publish Date: 2023-12-28

NB/T 11404-2023 Active

NB/T 11404-2023 Guidelines for the preparation of the performance budget for coal-fired power generation projects

This standard is applicable to coal-fired power generation, gas-steam combined cycle power generation, biomass power generation, and waste power generation projects.

Publish Date: 2023-12-28

NB/T 11403-2023 Active

NB/T 11403-2023 Design Regulations for Flexible Offshore DC Transformer Station

This standard applies to the design of offshore flexible high-voltage direct-current converter stations that use symmetrical single-pole wiring.

Publish Date: 2023-12-28

NB/T 11402-2023 Active

NB/T 11402-2023 Firepower Power Plant Safety Facilities Design Special Submission Preparation Guidelines

This standard applies to the preparation and technical review of safety facility design specifications for new, renovated, and expanded thermal power plants that use solid fossil fuels in China, as well as for fuel-fired power generation, gas-fired power generation, biomass power generation, and municipal solid waste incineration power generation projects.

Publish Date: 2023-12-28

NB/T 11401-2023 Active

NB/T 11401-2023 Design specifications for thermal power plant storage heat system

This standard applies to the design of hot water storage systems and solid storage systems in new, expanded, and renovated thermal power plants.

Publish Date: 2023-12-28

NB/T 11400-2023 Active

NB/T 11400-2023 Electric Power Data Center Design Procedures

Power data centers are suitable for meeting the production scheduling and digital application needs of power systems (including State Grid Corporation of China, China Southern Power Grid Corporation, Inner Mongolia Power Grid Corporation, and various power generation groups), and are used for deploying servers, storage devices, and other facilities. This regulation applies to the design of new or renovated power data centers.

Publish Date: 2023-12-28

NB/T 11399-2023 Active

NB/T 11399-2023 NB/T 11399-2023 Power Planning Research Content Depth Specification

This standard applies to power supply planning studies at the provincial level and above, as well as to special power supply planning for hydropower basins, power supply bases, and other projects. The types of power sources include hydropower, wind power, solar power, thermal power, nuclear power, pumped storage, and new energy storage, etc.

Publish Date: 2023-12-28

NB/T 11433-2023 Active

NB/T 11433-2023 Technical specification for short wall interval filling mining in coal mine

本文件规定了煤矿短壁间隔充填采煤的一般技术要求、充填采煤工艺流程、安全技术要求、地表变形及井下矿压观测。
本文件适用于煤矿短壁间隔充填采煤方法。

Publish Date: 2023-12-28

NB/T 11432-2023 Active

NB/T 11432-2023 Technical specification for coal mine gangue-based solid waste filling

本文件规定了煤矿矸石基固废充填技术的适用条件、充填方式和充填采煤方法、矸石基固废充填材料、充填系统及工艺、地表变形及井下矿压观测。
本文件适用于以煤矸石为基材的矿山固废充填。

Publish Date: 2023-12-28

NB/T 11434.3-2023 Active

NB/T 11434.3-2023 Paste filling in coal mine—Part 3:Effect evaluation method

本文件规定了煤矿膏体充填效果评价方法的充填开采设计要求、质量控制要求、安全技术要求、技术效果评价方法。
本文件适用于煤矿膏体充填开采技术效果的评价。

Publish Date: 2023-12-28