Tubular mill for grinding natural and synthetic raw materials, p

Solid material comminution or disintegration – Apparatus – Including means applying fluid to material

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241115, 241122, 241228, 241230, 241252, B02C 432

Patent

active

045277486

ABSTRACT:
The invention relates to a tubular mill for grinding natural and synthetic raw materials, in particular for the cement industry, comprising a horizontally-disposed rotary cylindrical drum, characterized by comprising one or more fixed grinding rollers disposed radially within the drum and supported by a fixed shaft which extends along the axis of rotation, each of said rollers being idle and able to rotate by friction within an annular guide rigid with the inner wall of the drum.

REFERENCES:
patent: 1428687 (1922-09-01), Ferencz
patent: 1475693 (1923-11-01), Ferencz
patent: 1479141 (1924-01-01), Kent
patent: 1719979 (1929-07-01), Ihlefeldt
patent: 2258392 (1941-10-01), Piper

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