checkerboard regenerator

checkerboard regenerator

[′chek·ər‚bȯrd ri′jen·ə‚rād·ər]
(engineering)
An open-checkerwork arrangement of firebrick in a high-temperature chamber that absorbs heat during a batch processing cycle, then releases it to preheat fresh combustion air during the down cycle; used, for example, in the steel industry with open-hearth and heat-treating furnaces.
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