I work in an OSB mill and we use hot oil to heat the press. We run 410F. on the press and use pumps to bring the oil from the heat source to the press and back to the source. The original oil was called thermal oil and because of cost we now use a turbine oil for this process. At the source we heat the oil to 525F. It is dangerous if any of the system springs a leak. If a pump seal leaks we'll have a fire if there's anything near it that will burn. The smoke from hot oil is harsh on the lungs as well. If you try oil be very careful.
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Today's Featured Article - Grain Threshing in the Early 40's - by Pat Browning. The setting is rural Wisconsin, halfway between East Troy and Elkhorn, on Hodunk Road, our nation was at war, and I was 6, 7 and 8 years old. George was our "threshing neighbor." He was the one with the threshing machine, a JI Case on steel wheels, and he pulled it to our farm with a JI Case standard tractor also on steel. In those days, steel wheeled implements were common. The roads were general gravel, so the lugs cutting into them wasn't a problem. George would set up the thresher, s
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