Method for industrial producing of highly dispersed powders

Details Method for industrial producing of highly dispersed powders Method for industrial producing of highly dispersed powders

2003-10-10

2008-12-09

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Processes

By utilizing kinetic energy of projected or suspended material

C241S029000, C241S039000, C241S080000

Reexamination Certificate

active

07461799

ABSTRACT:
This invention relates to industrial production of fine dispersed powders, where the material to be pulverized is mixed with high-pressure working into a gas-solids suspension, which through acceleration nozzles (8) is conveyed to the pulverizing chamber of counterjet pulverizer (9) for autogenous pulverization. The method is known in that the pulverized gas solids suspension is conveyed in the pulverizing circle at least to one intermediate tank (12), where the gas is removed from the blend and solids are collected into intermediate tank (12), which are returned together with new raw material for pulverization till in the equipment a wanted circulation load is achieved, whereafter the process continues so that from it as much ready product is removed as new material is added to it.

REFERENCES:
patent: 3482786 (1969-12-01), Hogg
patent: 3877647 (1975-04-01), Gorobets et al.
patent: 4034919 (1977-07-01), Akunov et al.
patent: 4592302 (1986-06-01), Motoyama et al.
patent: 4720049 (1988-01-01), Niemi
patent: 5143303 (1992-09-01), Niemi
patent: 2149062 (2000-05-01), None
patent: WO 8801906 (1988-03-01), None
patent: WO 9836840 (1998-08-01), None

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