2.0MPa High-Pressure Intelligent Nitrogen Purge and Slag Removal Device Development and Application
Abstract：Article 184 of the 'Coal Mine Safety Regulations' (2022 Edition) clearly states that when drilling for gas extraction, if using air drilling poses a risk of methane explosion, inert gas (such as nitrogen) should be used as the circulation medium or other safe processes.
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Publication Date：2025-09-30
Online Publishing Date：2025-10-21(First online date of this platform, not the publication date of the document)
Pages：5( 45-49 )