System and method of particulating 4,4' methylenebis (2-chloroan

Details System and method of particulating 4,4' methylenebis (2-chloroan System and method of particulating 4,4' methylenebis (2-chloroan

1984-07-27

1986-12-23

Hunter, Jeanette

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of gaseous process material

264117, 425 74, 222361, B02B 502, C22B 124, B01J 216

Patent

active

046311564

ABSTRACT:
The specification discloses a system and method for producing a particulate MBOCA product including relatively uniformly sized granules. The system includes a pan granulator, a dust hood enclosing the granulator pan, and a blower for circulating an air stream through the hood to carry away the heat of fusion of the granulation. In a second aspect, the system includes a novel drum charging apparatus having a filler tube extendable into a drum, a dust cup covering the drum opening when the filler tube is inserted therein, and a vacuum for drawing air through the dust cup. Air displaced from the drum and product particles dispersed therein are therefore drawn into the vacuum for subsequent recovery of product particles.

REFERENCES:
patent: 3299132 (1967-01-01), Dougherty
patent: 3401089 (1968-09-01), Friedrich et al.
patent: 3711254 (1973-01-01), McGowan et al.
patent: 4073838 (1978-02-01), Barnickel et al.
patent: 4230458 (1980-10-01), Takewell
patent: 4241137 (1980-12-01), Izumo et al.
patent: 4461623 (1984-07-01), Casperson

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