Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Patent
1986-01-21
1987-09-08
Rosenbaum, Mark
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
241 4608, 241101B, 241188A, B02C 2340
Patent
active
046918671
ABSTRACT:
A method of continuously mixing and kneading pulverulent bodies such as pulverized coal, oil coke to prepare a slurry thereof. Pulverulent bodies supplied continuously at a fixed rate from a supply tube are spattered and dispersed by a rotary mixing disk rotating in a mixing chamber covered with a base plate. A flow of a main liquid is directed as an annular overflow film downward along an overflow tube to the spattered and dispersed pulverulent bodies while a small amount of liquid such as additives is injected from a plurality of nozzles. The pulverulent bodies are uniformly humidified with a plurality of upper surface scrapers provided on the rotary mixing disk and disposed to cross the injection nozzle ports as the rotary mixing disk rotates and side face scrapers provided on the rotary mixing disk and turning along the inner wall of the mixing chamber. The pulverulent bodies are then collected to the center of the mixing chamber with a collecting blade, to be supplied to the next mixing and kneading chamber and dispersed centrifugally by a rotary mixing and kneading disk rotating in the mixing and kneading chamber while being mixed and kneaded by fixed mixing and kneading pins disposed on the upper wall of the mixing and kneading chamber and movable mixing and kneading pins planted in the rotary mixing and kneading disk. Finally, the mixed and kneaded pulverulent bodies are directed to a discharge port by a mixing and kneading type scraper blade provided on the rotary mixing and kneading disk.
REFERENCES:
patent: 3125305 (1964-03-01), Willems
Iwako Motonari
Nakao Masaaki
Kabushiki Kaisha Hunken
Rosenbaum Mark
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