The reliable operation of reforming furnaces has a direct and critical impact on the profitability of many ammonia plants. While it can be shown that no refractory lining system can be expected to be maintenance free, decisions made during the initial design of the furnace, the selection of the material, and the selection of the installer are critical. We present the straightforward principles of The Three Keys to Reliability that can be used to focus attention on achieving an optimum long-term refractory strategy.
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