FIELD: mining.
SUBSTANCE: device includes tight housing from polymer cover, which is filled with combustible filler, initiation device arranged inside the housing. Combustible filler contains metal, crystalline hydrate and mineral oxidiser in stoichiometric ratio. Thin-wall polymer perforated tube with diameter of 5 mm, which is filled fully or partially with ignition compound and inside which initiation device is arranged, is located along the housing axis.
EFFECT: higher efficiency and safety of works, lower costs, and higher reliability of the device actuation.
8 cl, 1 dwg
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