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SENTAO Rotary kiln

Model: STRK Series

The indirect calcination rotary kiln is an industrial equipment used for heat treatment of materials, mainly applied in processes such as drying, roasting, and calcination of materials. Different from the direct heating method, the indirect calcination rotary kiln processes materials through external heating, avoiding direct contact between the materials and combustion products or heating media.

  • High-quality kiln wall and roof insulation system significantly reduces heat dispersion
  • High-capacity air-mixing burners ensure uniform firing atmosphere throughout the kiln
  • Thermodynamic distribution tailored to specific needs guarantees rapid, efficient product firing
  • Advanced control and setting systems maintain constant kiln pressure and high temperature control precision

The advantages

  • The indirect heating method makes it easier to achieve accurate temperature control, which is beneficial for improving product quality.
  • It avoids the materials being affected by impurities in the combustion products and improves the purity of the product.
  • The adoption of new refractory materials and technologies effectively enhances the thermal insulation performance and durability of the kiln body.

Equipment Parameters

Serial No. Item Parameter
1 Length 3-28m
2 Working Diameter Φ0.3-2.0m
3 Filling Rate 0.06-0.36
4 Kiln Inclination 1%~5%
5 Common Heat Sources Natural gas, coal gas, LPG, electricity, coal or coal powder
6 Firing Temperature 200-950℃ (External Heating) / 200~1200℃ (Internal Heating)
7 Firing Method External Heating, Internal Heating
8 Control Method Industrial computer, PLC, fully automatic/semi-automatic
9 Application Fields Powders: rare earths, catalysts, mica, magnesium oxide/zinc oxide, quartz sand, etc.

Design drawing

Product Details

Application Examples

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