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The machine has been reassembled after cleaning and is ready for startup. This pugmill is powerful and capable of injecting alot of energy into the material. Premixed powder and water are fed into the main mixing chamber by a screw conveyor at the far end. Dozens of blades on the rotating shaft inside cut and mix the material so that by the time it has reached half way in the main chamber all traces of powder are gone. At the end of the main chamber an auger delivers the materials to a venturi terminated by a shredder. This slices the material with dozens of tiny blades as it enters the vacuum chamber (yellow cover). This exposes as much surface as possible to the vacuum. Additional blades on the main shaft further mix the material and finally an auger compresses it and delivers it to the nose where a column is extruded for cutting to length and packaging.
Glossary |
Pugmill
The practice of removing air from clay as it is pugged. Deaired clay has better forming properties and produces a smoother fired surface. |
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Glossary |
Plainsman Clays
A clay mining and processing company in Southern Alberta since 1965. |
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