GB/T 41163-2021 Active National standards

GB/T 41163-2021 Specification for process design of enhancing coal seam permeability by water jet in coalmine

GB/T 41163-2021 Specification for process design of enhancing coal seam permeability by water jet in coalmine

Publish Date: 2021-12-31 Implement Date: 2022-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 41163-2021
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: Mining
ICS Name: Mining and excavation
Publish Date: 2021-12-31
Implement Date: 2022-07-01
Pages: 12 pages

Scope

This document specifies the design of equipment and process parameters, the construction process of transparency enhancement, health, safety, and environmental protection management, and the requirements for design documents for the water jet impact transparency enhancement process in underground coal seams of coal mines.
This document is applicable to the design and construction of hydraulic slotting, cavity creation, and hole drilling for water jet impact transparency enhancement in underground coal seams of coal mines.

Development Information

Word Count: 20 Thousand words Pages: 12 pages

Referenced Standards

GB/T 2346-2003 Fluid power systems and components-Nominal pressures GB/T 3214-1991 Methods for measurement of capacity of pump GB/T 3214-2007 Methods for measurement of capacity of pump GB/T 7939-2008 Hydraulic fluid power—Hose assemblies—Test methods GB/T 7939.1-2024 Connections for hydraulic fluid power—Test methods—Part 1:Connectors GB/T 7939.2-2024 Connections for hydraulic fluid power—Test methods—Part 2:Quick-action couplings GB/T 7939.3-2023 Connections for hydraulic fluid power—Test methods—Part 3:Hose assemblies GB/T 10544-2003 Rubber hoses and hose assemblies—Rubber—covered, spiral wire reinforced, hydraulic type GB/T 10544-2013 Rubber hoses and hose assemblies—Rubber-covered spiral-wire-reinforced hydraulic types for oil-based or water-based fluids—Specification GB/T 10544-2022 Rubber hoses and hose assemblies—Rubber-covered spiral-wire-reinforced hydraulic types for oil-based or water-based fluids—Specification GB/T 12241-2005 Safety valves—General requirements GB/T 12241-2021 Safety valves—General requirements GB/T 20801.2-2006 Pressure piping code—Industrial piping—Part 2:Materials GB/T 20801.2-2020 Pressure piping code—Industrial piping—Part 2:Materials GB/T 25429-2010 Specification for drill string non-return valve GB/T 25429-2019 Petroleum drilling and production equipment—Drill string non-return valve GB/T 26135-2010 High pressure cleaning unit GB/T 26135-2020 High pressure cleaning unit GB/T 26148-2010 Safety specification for the use of manually operated high pressure waterjet equipment GB/T 30050-2013 Classification of coal-body structure MT/T 459-1995 General technical specifications for hydraulic components used in coal mining machinery NB/T 10123-2018 The "two blockages and one injection" sealing technology conditions for coal mine gas extraction drilling holes GB 50471-2018 Standard for design of the gas drainage engineering of coal mine MT/T 459-2007 Coal mining machine hydraulic fluid power-General rules relating to hydranlic components GB/T 26148-2025 Safety specification for the use of manually operated high pressure waterjet equipment

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