FIELD: mining industry.
SUBSTANCE: device has frame, tank with nozzles and pipelines, loosening means, dolly. Frame is mounted with possible vertical displacement, loosening means is made in form of row of ploughs and row of harrows, placed in parallel on the frame, while ploughs and harrows are mounted with possible radial displacements, and nozzles are mounted behind plows.
EFFECT: broader range of functional capabilities.
4 dwg
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