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Discussion Starter #1
We have a Grain Chief 450 batch dryer. We have dried canola with it off and on over the last 15 years, sometimes canola to damp to test. This year our canola is testing 11% but we don't have any dry canola to blend with so are drying down to 9% every second load.

Our problem is that the screens become plugged after two batches. Air won't blow the canola out of the screens we have to use the pressure washer and really concentrate the stream to a small area to actually get the canola out of the holes. Needless to say doing this in the winter really sucks. We hire a vac truck to take away the wash water.

When we deliver to the elevator there is only 2% dockage and not much of the 2% is fines in the bottom pan.

We washed it again and are going to switch to drying flax which we are going to clean before we dry it. We are going to clean the flax for 3 reasons.
1. Viterra discounts if there is more than 10% dockage
2. We will have a semi load of dockage we won't have dried.
3. We won't pay the trucking company to haul a load of dockage.
The local pelleting plant will buy the screenings.
Cleaning the fines out of the canola is not cost effective like the flax will be so we need to figure out why after all these year of drying canola we are having problems now.
 

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When you figure it out , let me know. We dried all our canola last year without a single problem, this year it plugged solid every day or so. I think it has something to do with the oil coming out of it, it was sticky and you could smell the oil inside the dryer. We found if we let it sit for a day in the sun it would brush of with a broom, if not we had to pressure wash it, not fun.
 

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Discussion Starter #3
We were thinking maybe because we swathed the canola and it was smaller seed size that is causing the plugging but when the elevator runs the dockage test there is very little in the bottom pan.
 

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Dried canola for the first time this year, continuous flow, had to wire brush the screens every 8hrs.
I thought about trying a large screw compressor that you can rent to blow it out ??
 

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Discussion Starter #5
We have a 125cfm compressor we choked the hose down to 3/8" and held it right against the screens and it would not blow the canola out of the screens that is why we went to the pressure washer.
 
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