Granulation water control apparatus for granulating machine used

Details Granulation water control apparatus for granulating machine used Granulation water control apparatus for granulating machine used

1992-11-09

1996-12-03

Voeltz, Emanuel T.

Boots, shoes, and leggings

3644691, 425 6, 425 7, 425 8, 425135, 425222, 264 9, C01B 3114

Patent

active

055814778

ABSTRACT:
A granulation water control apparatus for a granulating machine used in a granular fertilizer production process and its granulation water control method. A particle size weight distribution of a semi-fabricated fertilizer discharged from the granulating machine is calculated, and a central particle size of the particle size weight distribution is calculated. The calculated central particle size and a previously set target central particle size are compared, and if they do not agree, a quantity of the granulation water to be charged into the granulating machine is calculated in accordance with a difference between the calculated central particle size and the target central particle size and the past statistical data.

REFERENCES:
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patent: 4698190 (1987-10-01), Shibata et al.
patent: 4832700 (1989-05-01), Kaspar et al.
patent: 4902210 (1990-02-01), Shibata
patent: 5124100 (1992-06-01), Nishii et al.
patent: 5319563 (1994-06-01), Hanaoka et al.
patent: 5350567 (1994-09-01), Takeda et al.

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