Special-shaped refractory brick structure for reducing material temperature difference of preheating zone of rotary kiln
The utility model discloses a special-shaped refractory brick structure for reducing the material temperature difference of a preheating zone of a rotary kiln, which belongs to the technical field of refractory bricks and comprises a refractory brick, bumps and positioning grooves, and the bumps are...
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Format: | Patent |
Sprache: | chi ; eng |
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