Litharge Manufacturing System

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Operation:
Litharge manufacturing is a batch process. The Furnace is pre-heated to 575-600°C by a gas/oil fired burner. Lead Oxide is metered and fed into the furnace. The material is mixed and agitated inside the furnace. The temperature is maintained between 575-600 °C throughout the reaction. The reaction is exothermic, hence less fuel is used to maintain the temperature.
During the reaction negative draft is maintained inside the furnace. The air sucked passes through a bag house before being let into the atmosphere. The negative draft also helps in supplying fresh oxygen to the furnace. This ensures litharge with less than 0.05% of metallic lead.

Litharge from the furnace is fed to a crusher to break the agglomerates. This crushing takes place at 600 °C.