Importance

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Abstract

A calciner includes a calciner gas distribution plate bypass mechanism. The gas distribution plate bypass mechanism is sized and configured to permit gas to enter a calciner at a temperature below a sticky point of material to be calcined and prevent or substantially reduce material buildup on the gas distribution plate. For instance, additional gas may be introduced into the calciner at a position downstream from the gas distribution plate so that additional gas may be fed into the calciner without passing through the gas distribution plate. The additional mass of gas may allow for increased capacity without elevating the temperature of the gas passing through the gas distribution plate or adjacent to the gas distribution plate and provide sufficient heat for calcining the material. A control damper may be utilized in some embodiments to ensure that certain conditions and operating parameters of the calciner are monitored and maintained.

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First Claim