Get Price
  1. Home
  2.  >> Wolframite

dri tunnel kiln without crusibel 1

3. Coal-based BLT-Reduction kiln rapid reductionmethod tunnel kiln non-crucible method The reduction process is similar to the reduction technology of coal-based tunnel kiln method, while no more adopting crucibles. The product mainly has high density metallic pellets and sponge iron plate.