Through the forms of jacket, shaft spiral fin and chamber nozzle heating, the heat efficiency reaches over 95%, which makes the materials quickly and fully aged.
通过外加套、主轴螺旋翅片和腔内喷头加热形式，热效率达到95%以上，使物料快速充分熟化。
2
The liningless cupola is featured by that the furnace shaft, except the hearth section, is not lined but substituted by a heat-exchanging jacket (HEJ)which is made of heat-resistant metal.