Ceramic impeller

INCERV – Ceramic hot gas fans

Initial situation:

  • Use of metallic fans is only possible to a limited extent due to high temperature values in industrial furnaces.
  • Due to the creep deformation, the speed of metallic fans must be reduced from temperatures> 500 ° C.
  • The use of metallic fans is not possible above 1000 ° C.
  • Reduction of the speed leads to a reduction of the circulating capacity in the furnace.

Working topics:

  • Selection and design of a fan for industrial furnaces.
  • Optimization of flow and voltage in the fan impeller using CFD and FEM.
  • 3D pressure of the fan from a SiSiC ceramic.
  • Hot tests of the ceramic ventilator at the 1 MW technical facility of the BFI at temperatures above 1000 ° C.

Results:

  • Development and testing of a ceramic fan for use in industrial furnaces.
  • Improvement of the convective heat transfer by increased circulation of the gas in industrial furnaces.

Recommendation

EvalHD – High resolution process data for quality assessment

Initial situation Plant-wide quality databases exist at many steel producers Data-warehouses are optimized for per-coil data access For statistical analysis […]

Slagreus – Reuse of slags from integrated steelmaking

Initial situation In Europe about 10 Mio.t/year of BOF slag are produced at the steelmaking. A main part is reused […]

UrbanNickel – Recovery and recycling of nickel from deposited neutralization sludge of the stainless steel industry

Situation: When pickling stainless steel large amounts of nickel-containing neutralization sludge are produced. Since 1970, approximately 1.2 million tons of […]

OptDeslag – Improved deslagging and slag conditioning

Initial situation: Performance of many metallurgical operations is significantly influenced by the condition of the slag Therefore in some cases […]