Manufacture of periclase plates for gate valves
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For the utilization of rejected periclase inserts and drilling wastes from the manufacture of composite valve gates, we suggested that the rejects and wastes be used as a fine-ground component of the charge. Investigations have been conducted of the periclase powders received from rejected inserts and drilling wastes. It has been found that the powders received possess higher activity to sintering and lower hydration ability as compared with common fused periclase powder. We have produced experimental batches of plates with inserts from a charge containing rejected inserts and drilling wastes. The manufactured articles possess high physico-technical characteristics and high operating properties.
KeywordsPericlase Hydration Drilling High Activity Experimental Batch
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