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Automated Chemical Doser Design

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The automated chemical doser (ACD) has three principles components: a float, a lever arm, and a flow controller (FCM).

The float is a 45.5cm long 4in PVC tube capped at both ends and partially filled with sand so that it weighs 8lbs. It rests 33.5cm below and 12cm above the water line in a virtual grit chamber, which is a deep bucket with a pressure sensor at its base. This pressure sensor provides readings of the water level in the bucket.


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Click [here] for past ACD design iterations.

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