Apparatus for drying grain

Details Apparatus for drying grain Apparatus for drying grain

1975-07-21

1977-07-19

Sprague, Kenneth W.

Drying and gas or vapor contact with solids

Apparatus

Gravity flow type

34233, 34 52, 52 82, 52192, 98 55, F26B 1712

Patent

active

040359280

ABSTRACT:
The invention comprises an inverted frusto-conical shaped perforated floor which is mounted in a conventional grain drying bin in a raised position relative to the base floor thereof. The perforated floor has a plurality of grain discharge openings formed therein, each of which are selectively closed by a trough-like valve. The valves have varying lengths to obtain better grain distribution on the base floor. The valves are controlled by a manually operated means. A tube tensioner is provided on the bottom surface of the perforated floor to stiffen and strengthen the perforated floor. A series of bands are mounted above the perforated floor to maintain the level of the grain being dried substantially parallel to the upper surface of the perforated floor for evenness of drying. The grain is dumped on the perforated floor and the dried air is passed upwardly through the perforated floor to dry the grain. The dried grain flows from the perforated floor through the openings onto the valve for even distribution of the base floor.

REFERENCES:
patent: 2858620 (1958-11-01), Naylor
patent: 3426669 (1969-02-01), Peterschmidt
patent: 3479748 (1969-11-01), Sietmann
patent: 3583112 (1971-06-01), Kennedy
patent: 3849901 (1974-11-01), Sietmann et al.
patent: 3908329 (1975-09-01), Walters

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