Affordable Grain Bin Aeration Attachment

2025 - Volume #49, Issue #5, Page #18

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Western Canada’s unreliable weather makes it difficult to dry and cool harvested grain. Farms without existing aeration systems face expensive outlays for their implementation.
To address these issues, Bill Strelioff, owner of Wavcor International, a Saskatchewan company, devised the idea for the Wavcor Manhole, a simple grain cooling attachment for most smooth or corrugated grain bin manhole cover entry points.
“Many farmers have smooth-walled bins without aeration capabilities, and of course, it’s expensive to add,” says Jason Griffith, Wavcor engineer. “Bill wanted to get air into a bin in a simple manner, so he designed this cost-effective addition to provide farmers with confidence in their harvested grain.”
The Wavcor Manhole attachment includes a round or square plate that slides inside standard bins’ 21 or 24-in. manholes, along with a double-bar system with three bolts for installation or removal of the attachment. A 24 in. long perforated cylinder mounts inside the bin to allow airflow.
“It’s a short cylinder for a couple of reasons,” says Griffith. “First, it’s not too big and heavy to move out of the way if you need to get into the bin, plus it’s short enough to stay out of the bulk of the grain flow as it runs out into an auger. It doesn’t need to be as heavy-duty as there’s less force on it away from the grain’s flow path.”
The attachment connects to any available propane or natural gas aeration fan using a provided air sock that runs between the manhole and the fan. Wavcor has found the system works exceptionally well with canola and cereal grains.
“It makes a huge difference cooling down and preserving grain, reducing the likelihood of bugs, even with a small 5 or 10-hp fan,” Griffith says. “It’s not really made to dry grain, but it tempers it enough to help avoid heating and spoilage issues.”
The Wavcor Manhole sells for $1,190 plus S&H.
Contact: FARM SHOW Followup, Wavcor International Inc., RPO 25022 Station River Heights, Saskatoon, Sask., Canada S7K 8B7 (ph 306-660-9282; info@wavcor.ca; www.wavcor.ca).

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Affordable Grain Bin Aeration Attachment Western Canada’s unreliable weather makes it difficult to dry and cool harvested grain. Farms without existing aeration systems face expensive outlays for their implementation. To address these issues, Bill Strelioff, owner of Wavcor International, a Saskatchewan company, devised the idea for the Wavcor Manhole, a simple grain cooling attachment for most smooth or corrugated grain bin manhole cover entry points. “Many farmers have smooth-walled bins without aeration capabilities, and of course, it’s expensive to add,” says Jason Griffith, Wavcor engineer. “Bill wanted to get air into a bin in a simple manner, so he designed this cost-effective addition to provide farmers with confidence in their harvested grain.” The Wavcor Manhole attachment includes a round or square plate that slides inside standard bins’ 21 or 24-in. manholes, along with a double-bar system with three bolts for installation or removal of the attachment. A 24 in. long perforated cylinder mounts inside the bin to allow airflow. “It’s a short cylinder for a couple of reasons,” says Griffith. “First, it’s not too big and heavy to move out of the way if you need to get into the bin, plus it’s short enough to stay out of the bulk of the grain flow as it runs out into an auger. It doesn’t need to be as heavy-duty as there’s less force on it away from the grain’s flow path.” The attachment connects to any available propane or natural gas aeration fan using a provided air sock that runs between the manhole and the fan. Wavcor has found the system works exceptionally well with canola and cereal grains. “It makes a huge difference cooling down and preserving grain, reducing the likelihood of bugs, even with a small 5 or 10-hp fan,” Griffith says. “It’s not really made to dry grain, but it tempers it enough to help avoid heating and spoilage issues.” The Wavcor Manhole sells for $1,190 plus S&H. Contact: FARM SHOW Followup, Wavcor International Inc., RPO 25022 Station River Heights, Saskatoon, Sask., Canada S7K 8B7 (ph 306-660-9282; info@wavcor.ca; www.wavcor.ca).

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