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High purity gold processing process: ensemble gold acceptance → powdering → sodium chlorate gold separation → sodium sulfite reduction → sprinkling beads machine sprinkling beads → ingot casting machine ingots → finished gold ingots.
Platinum palladium rhodium content testing sodium chlorate gold separation process
Drying: The sponge gold obtained after reduction is washed with hot water until neutral. And then dried with oven.
Medium frequency furnace melting and pouring block: The sponge gold after baking and drying is melted by using medium frequency furnace, and then pouring block.
Sun bead machine quenching bead: add the gold nugget into the crucible of the bead sprinkler, melt it, and then use high-pressure water to cool the gold water for granulation.
Drying and ingot casting: The gold beads obtained from the platinum-palladium-rhodium content test over the sprinkling bead machine are dried using the oven. Use the ingot casting machine to cast ingots. The production process of gold ingot adopts the advanced fully enclosed molten gold casting.
The process flow is: gold nugget → quenching bead machine quenching bead → gold bead → oven drying → weighing → ingot casting machine → Au-1 gold ingot (or five nine gold ingots).
The main equipment is: bead quenching machine, ingot casting machine, ice water machine and oven.
