Standards

NB/T 11816-2025 Steel insulated spiral woven pipe bundled container (Fabric Ring Covered Container)

Publish Date: 2024-12-25

NB/T 11749-2024 NB/T 11749-2024 Subdivision hydraulic fracturing technology specification for coal and rock layers in coal mine underground

This document is applicable to the segmented hydraulic fracturing construction in areas such as gas extraction from coal seams and the weakening of hard roofs in coal mines.

Publish Date: 2024-12-25

NB/T 11750-2024 NB/T 11750-2024 Design specification for power grid access design of coal mine gas power generation station

This document is applicable to the design of power grid access for gas power stations in newly built, renovated, and expanded coal mines, which are connected to mine substations via voltage levels of 35kV and below. The design of power grid access for other distributed power stations powered by reciprocating internal combustion engines or steam turbines driving synchronous generators can be used as a reference.

Publish Date: 2024-12-25

NB/T 11751-2024 NB/T 11751-2024 Coal Mine Gas Power Generation Project Acceptance Specification

This document applies to the acceptance of new construction, reconstruction, and expansion of coal mine gas power generation projects that are connected to mine substations via voltage levels of 35kV and below.

Publish Date: 2024-12-25

NB/T 11752-2024 NB/T 11752-2024 Technical requirements for gas condensation and dehydration devices for coal mine gas power generation

This document applies to the design, manufacture, selection, installation, and maintenance of gas condensation and dewatering devices (hereinafter referred to as "the device") used in coal mine gas power generation projects built with gas internal combustion engine generator sets.

Publish Date: 2024-12-25

NB/T 11753-2024 NB/T 11753-2024 Coal Mine Low Concentration Gas Combustion and Utilization Technology Specification

This document is applicable to low-concentration gas direct combustion technologies that can effectively prevent backfiring and flameout, such as high-temperature resistant fine deep-hole anti-detonation burners. Other direct combustion and DC thermal oxidation technologies that adopt comprehensive safety measures can be used for reference.

Publish Date: 2024-12-25

NB/T 11754-2024 NB/T 11754-2024 Rapid Gas Pressure Determination Method Based on Coal Seam Reserial State Restoration

This document is applicable to the determination of gas pressure based on the recovery of coal seam occurrence states.

Publish Date: 2024-12-25

NB/T 11755-2024 Nitro/T 11755-2024 Methane Content of Coal Bed Quick Measurement Method Underground

This document is applicable to the determination of gas content in coal seams during dry sampling underground.

Publish Date: 2024-12-25

NB/T 11737-2024 NB/T 11737-2024 Design Regulations for Supplementary Facilities in Power Cable Tunnels

This standard applies to the design of ancillary facilities for power cable tunnels, including tunnel drainage, ventilation, fire protection, lighting, integrated monitoring, power supply, grounding, and identification systems, etc.

Publish Date: 2024-12-25

NB/T 11723-2024 NB/T 11723-2024 Offshore Wind Farm Engineering Redesign and Demolition and Recycling Design Guidelines

This guideline applies to the design of the transformation and upgrading, demolition, recycling, and reuse of onshore wind farms.

Publish Date: 2024-12-25

NB/T 11724-2024 NB/T 11724-2024 Offshore Wind Farm Engineering Planning Environmental Impact Assessment Report Preparation Guidelines

This guideline is applicable to the preparation of environmental impact assessment reports for onshore wind farm projects.

Publish Date: 2024-12-25

NB/T 11725-2024 "NB/T 11725-2024: Guidelines for preparation of environmental impact assessment report on offshore wind farm project planning."

This guideline is applicable to the preparation of environmental impact assessment reports for offshore wind farm projects.

Publish Date: 2024-12-25