Compound grinding apparatus

Details Compound grinding apparatus Compound grinding apparatus

1990-11-26

1992-07-14

Rosenbaum, Mark

Solid material comminution or disintegration

Processes

By utilizing kinetic energy of projected or suspended material

241 24, 241 29, 241 791, 241 39, 241119, 2411522, B02C 1906

Patent

active

051295865

ABSTRACT:
The compound grinding apparatus comprises a roller mill and rollers, installed in one body and fixed in such a way that they can be rotated relative their own axes of symmetry which are above a slewing table with a rotation drive and a rotating air separator fixed above the roller mill and made in the form of a screened rotor installed inside an impingement ring and equipped with a controlled rotation drive, the unique feature of which is that with the aim of specific power consumption reduction for required grinding degree, capacity increase and improvement of grinding quality it is equipped with a jet grinder with the material circulation units and feed pipelines which end in nozzles elements connected with a pressure source, the jet grinder being mounted between the roller mill and the air separator inside the same body.

REFERENCES:
patent: 4489895 (1984-12-01), Petersen
patent: 4504020 (1985-03-01), Nishida et al.
patent: 4832268 (1989-05-01), Haddow et al.
patent: 4889289 (1989-12-01), Lohnherr et al.

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