Drying and gas or vapor contact with solids – Apparatus – With apparatus using centrifugal force
Patent
1977-08-31
1979-05-08
Camby, John J.
Drying and gas or vapor contact with solids
Apparatus
With apparatus using centrifugal force
414213, F26B 1720
Patent
active
041528409
ABSTRACT:
A control system for a grain drying bin includes a pre-dry sensor mounted on the inside of a grain drying bin a short distance above the floor and a thermocouple grain temperature sensor mounted in the discharge tube of the grain drying bin. The discharge grain temperature sensor includes a thermal contact member made of copper or other heat conductive material having a thermocouple bonded thereto to intimate heat conducting relationship. The thermal contact member is mounted by a mounting block to the discharge tube to extend through a slot into the interior of the tube and is shaped to allow the grain to flow around it in thermal contact therewith. A gap is provided in the fighting of the discharge auger in order to provide clearance for the thermal contact member. The control system prevents discharge of grain until the pre-dry temperature is attained, and controls stopping of the grain discharge, in either a sample mode or a discharge mode, if the discharged grain is too cool.
REFERENCES:
patent: 2858620 (1958-11-01), Naylor
patent: 3714718 (1973-02-01), Sukup
patent: 3946496 (1976-03-01), Sukup
Camby John J.
David Manufacturing Co.
Schwartz Larry I.
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