Solid material comminution or disintegration – Processes – By utilizing kinetic energy of projected or suspended material
Patent
1983-06-30
1985-09-03
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
By utilizing kinetic energy of projected or suspended material
241 39, B02C 1906
Patent
active
045387648
ABSTRACT:
A no-moving parts pulverizer and classifier system reduces carbonaceous materials to one hundred fifty microns to less than ten microns using superheated steam or any gas capable of being compressed and expanded thru machined orifices. The resultant size reduction depends upon the classifier gas rate and pressure, the pulverizer gas rate and its pressure. These combinations control and regulate maximum particle size, average particle size and the mix of gas and solids in process. The feedstock enters the classifier chamber by auger or similar as long as the feeder maintains a positive seal. The classifier chamber separates the feedstock by size and particles of a predetermined size exit the system in a specific ratio of gas and solids. The feedstock larger than specified exit the base of the classifier, split into two equal streams and accelerate thru the pulverizer. The reduced feedstock exits the pulverizer, mixes with incoming feedstock and again enters the classifier. The system is controlled using pressure, temperature, feedrate or any combination of the three. Other control methods can be used in any one of the three are part of the control circuit.
REFERENCES:
patent: 2636688 (1953-04-01), Singh
patent: 3186648 (1965-06-01), Mandle et al.
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