FIELD: mining.
SUBSTANCE: device for production of mineral wool comprises receiving and distributing rollers. Each of rollers is arranged as hollow and comprises race with end and cylindrical surfaces, fit and fixed with screws on hollow support shaft, having end surface. Hollow support shaft rests on bearings. On internal end surface of race along spiral, grooves are made with spiral direction against direction of hollow roller rotation direction. On internal end surface of hollow support shaft along spiral, grooves are arranged with spiral direction along with direction of hollow roller rotation.
EFFECT: prolonged service life of device for production of mineral wool.
4 dwg
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