Process and apparatus for producing small particle lightweight a

Details Process and apparatus for producing small particle lightweight a Process and apparatus for producing small particle lightweight a

1991-04-22

1992-12-08

Jenkins, Robert W.

Heating

Processes of heating or heater operation

Including passing, treating or conveying gas into or through...

366 2, 366 15, 366279, 366315, 432131, 432139, B01F 1500, F27B 1500

Patent

active

051693070

ABSTRACT:
A process for producing micropellets of lightweight aggregate having a substantially spheroidal configuration which includes continuously mixing ceramic clay and liquid in a high speed rotating pin mixer to encapsulate substantially all other non-volatile inorganic solid materials present in micropellets having a diameter not exceeding about six mesh. The spheroidal micropellets are then fired at a temperature of at least 2,000.degree. F. to oxidize all volatile organic compounds present. The lightweight aggregate of micropellets can advantageously be used to replace sand in a cement or concrete matrix, as a well as for numerous other uses.

REFERENCES:
patent: 2471769 (1949-05-01), Nanna
patent: 3131919 (1964-05-01), Hartley
patent: 3244408 (1966-04-01), Brownlie
patent: 3807702 (1974-04-01), Grillo
patent: 4207061 (1980-06-01), Ikenaga
patent: 4606647 (1986-08-01), Frye

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