Boiler Controls, Biomass Chip Burner

This is a picture of a control system we designed for a biomass wood chip burner. The wood chips are fed by auger from a storage bin to the boiler. We built this control system to operate the auger feed motor, the main and auxiliary draft blower motors, and solenoids. The two main motors are driven by Variable Frequency Drives that have single phase input for operation with standard residential power. The PLC controller handles all of the timing, and also has built-in fail-safe logic for fire prevention.

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