Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1990-09-10
1991-12-24
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
2411011, 241283, B02C 1900
Patent
active
050744780
ABSTRACT:
A system for crushing and discharging a powder and granular material that has become caked in a storage tank has a device for supplying compressed air that is used to activate machines as well as to blow up and deliver crushed material, a drilling machine which has drilling rotary blades that rotate at the distal end of a casing to drill a guide hole in the caked material for discharging crushed material by applying impact and rotation to the rotary blades by means of compressed air, and a crusher which has crushing blades to cut the opening edge of the drilled guide hole and to crush the periphery of the guide hole. A guide hole for discharging crushed grain is drilled in the caked grain by applying impact and rotation to the rotary blades of the drilling machine by use of compressed air, and after the guide hole has been drilled, crushing is carried out with the crusher. Since not electricity but compressed air is employed, it is possible to eliminate the fear of a spark being generated. In addition, the caked grain can be crushed and discharged through the guide hole by gravity flow without the necessity for an operator to enter the silo.
REFERENCES:
patent: 1138627 (1915-05-01), Considine
patent: 1291895 (1919-01-01), Howlett
patent: 2187587 (1940-01-01), Kehl
patent: 4313706 (1982-02-01), Danford
"A Review of Hopper Discharge Aids", by A. R. Reed and C. H. Duffell, Bulk Solids Handling, The International Journal of Storing and Handling Bulk Materials, vol. 3, No. 1, Mar. 1983.
"Gem Europoort Terminal (Only Six Years Old), Again Engaged in Major Expansion Programme", Technology/Economics, Rotterdam Euroopoort Delta, pp. 33-35, Article by Hans Berggren.
Anao Kohji
Fujiwara Seiichi
Kubo Mutsuo
Miyagawa Ryuichi
Rosenbaum Mark
Shimizu Construction Co. Ltd.
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