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Professional guide to selecting heat sources for dryers

2025-11-18
Latest company news about Professional guide to selecting heat sources for dryers

Primary Heat Source Options

A. Electric Heating

  • Best for: Pharma/food (clean energy, precise control ±0.5°C)
  • 2025 Tech: Infrared-assisted drying (30% faster than convection)
  • Limitation: High OPEX in regions with >$0.18/kWh electricity

B. Natural Gas

  • Best for: Large-scale mineral/chemical processing
  • Advantage: Lowest cost per BTU in North America/Middle East
  • Emission Solution: Integrated SCR systems (NOx <30ppm)

C. Steam (Indirect)

  • Best for: Heat-sensitive materials (max 150°C gentle drying)
  • Efficiency Boost: Flash steam recovery (85% heat reuse)

D. Thermal Oil

  • Best for: High-temp applications (250-400°C for ceramics)
  • Safety: Class III hazardous location compliance