Ecowair
Ecowair - Lead Smelter and Refining Plant
FromEcowair
Lead smelter and refining kettles. This part of the plant concern the supplying of a rotary furnace and kettles to melt grids/poles and Paste, to produce hard (Pb/Sb) and soft alloys. The plant is designed to work 24 hours day so you have to buy double smelting department. Here is indicated the complete day production system.
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The process is based on smelting grids and paste in rotary furnace on different time:
- Pb-paste and Pb-sludge (PbO, PbO2, PbSO4, PbCO3): to produce soft lead bullion.
- Grids to produce hard lead bullion. The soft and hard lead bullions are refined in the kettles on the follow operations:
- Copper removal
- Tin removal
- Antimony removal
- final refining
- casting of 25 Kg ingots
The rotary slags are sent to disposal.
The refining ash and drosses will be re-charged to the rotary.
- grids and poles, up to 37 MT day, at 97% purity, moisture 2% +-
- Paste and sludge up to 57 MT day, at 75% +- (see your analyzes) yield, 25% to 9% moisture (filterpressed), 5% approx. of Sulphur.
To reduce costs of smelting plant, we supply also the stirring tank and paste density adjustment, and the filter press. Our filterpress can reduce the moisture down to 9% max.
This unit is also (option) ready for desulphurization plant.