DEVICE FOR PRODUCTION OF MINERAL WOOL Russian patent published in 2009 - IPC C03B37/04 

FIELD: mining.

SUBSTANCE: device for production of mineral wool comprises receiving roller and distributing rollers. Each of rollers is arranged as hollow and comprises race with end and cylindrical surfaces, fit on hollow support shaft with end surface and fixed to it with screws. Hollow support shaft rests on bearings. Inside race and hollow support shaft there is tube installed with clearance for supply of cooling liquid, on which annular partition is fixed, creating annular gap with internal cylindrical surface of race. Cavity of hollow support shaft has bush fit with helical thread arranged along with direction of its rotation.

EFFECT: prolonged service life of device.

2 dwg