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ZINC ROASTER

Waste Heat Recovery Solutions for Zinc Roasting Plants

Waste Heat in Zinc Industry

Zinc manufacturing process mainly involves conversion of zinc sulphide to zinc oxide in a Roasting Furnace.

The roasting gas at the furnace exit has a temperature of about 950 to 1000 Deg C which is cooled in a  waste heat boiler.

In roasting process , sulphur is expelled as SO2 gas and subsequently recovered as sulphuric acid in Sulphuric acid plant.

TSPL is pioneer in supply of Roaster Boilers | Boilers & ancillary equipment in Sulphuric Acid Plant.

71+

CAPACITY (TPH)

67+

PRESSURE (kg/cm2)

400+

TEMPERATURE (°C)

10

INSTALLATIONS

Thermal Systems provides efficient Waste Heat Recovery Boilers for Zinc Roasters

  • Experience on High dust laden gases in Roasting plant

  • 3 Pass Uptake - Downtake - Convection Section Design

  • Water cooled horizontal duct design

  • Online hammering / rapping mechanism for high dust removal

  • Gas - Gas Heat Exchangers - Shop / Site Assembled

Leading Global Boiler Manufacturer with successful installations on high dust laden gases for Zinc Roasting plants.

WASTE HEAT RECOVERY BOILERS

For Zinc Roasters

Zinc concentrate is roasted at about 950–1,000 °C, producing high-dust off-gas that is cooled in a roaster waste heat recovery boiler ahead of the sulphuric acid plant.

Thermal Systems' boilers feature 3 Pass Uptake–Downtake–Convection design, water-cooled horizontal ducts and online hammering/rapping systems proven on high-dust service.

Waste Heat Recovery Solutions for Zinc Roasters

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