The utility model is widely suitable for various materials which need to be condensed and condensed in the melting point (softening point) within 300 DEG C. Such as: sulfur, paraffin wax, rosin, asphalt, stearic acid, trimellitic anhydride, maleic anhydride; phenolic resin, petroleum resin, modified resin and other resin products; hot melt adhesive, synthetic soap, urea, additives, rubber and plastics additives recycling products.