FIELD: explosion protection devices.
SUBSTANCE: invention relates to power, chemical, oil and gas and coal industries, in particular to explosion protection devices used to prevent propagation of ignition and / or explosion through gas pipelines, through which explosive gas is transported. Explosion protection system in gas pipelines comprises flame arrester with flame arresting element arranged in gas line, separator, disc rotary bolt, pressure difference monitoring sensor and flame monitoring sensor installed on flame arrester, which are connected together with disk rotary gate through electric circuits with automation unit, at that in the disk rotary gate housing blowdown opening is located.
EFFECT: improving operating reliability of the explosion protection system in gas pipelines, improving the installation and maintenance processability, increasing the personnel safety level.
4 cl, 5 dwg
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