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Latimer Iowa | The picture with all the blue tubes are actually air lines on the top of one of the baghouse air filters. All of the machines in the facility are under negative pressure through aspiration lines to the top floor with 6 60 hp blowers. There are "socks" that are about 4 inch diameter and 10 foot long under each of those blue lines.. High pressure air rotates in bursts between each of those lines continuously. The high pressure air back blows the air through the socks to maintain efficiency. The dust from the filters that are after the kill/kiln step falls to the bottom of the filter housing and is actually reclaimed into the flour line.
The air inlets for the facility are shown in the roof picture. Triple filtered air goes through the air makeup system, and then to a large airshaft with an opening on each level that the shutters are pulled open with the negative air pressure. The pic with the larges aluminum openings are the air inlet on each floor.
This is designed to prevent dust from building up in the facility for food safety and explosion issues.
Good call on the boiler size too, you are pretty much dead nuts on being a 5M btu. We call it a 150 hp but the conversion puts it at 5M btu
Edited by Green Acres Guy 8/21/2026 21:01
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