Hot Lime Plugging Problems Eliminated at Weyerhaeuser Weyerhaeuser Company - New Bern, North Carolina The Need Weyerhaeuser Company’s New Bern, North Carolina facility operates a 1,000 ton per day bleached pulp mill. As part of the process, reburned lime exits a kiln, is crushed, then conveyed to a hot lime storage bin. Hot, reburned lime is then metered with fresh lime from a separate bin to a slaker to begin recausticizing. Problems were encountered maintaining reliable feed from the hot lime bin. To solve the problems, a joint effort was made between Jenike & Johanson and a Weyerhaeuser team of technical, operating, and maintenance personnel. The hot lime bin was designed with a small square discharge opening and a single shaft screw feeder. Hot and fresh lime were then fed into a m

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