Typical FeNi furnace (33MVA)
The FeNi furnace is used in smelting plant for smelting laterite nickel ore to produce nickel pig iron. The most advanced RKEF processing technology is adopted with rotary kiln and electric furnace. DHHI is capable of contracting and organizing large EPC project of the complete smelting plant including design, manufacturing, erection, commissioning with mechanical, electrical and hydraulic integration.
1. The technological process of RKEF FeNi furnace
The RKEF furnace is used for smelting laterite nickel ore to produce Nickel Pig Iron (10-12% nickel content).
2. Reference plants
DHHI has totally built nearly 80 sets of FeNi smelting furnaces, among which nearly 10 sets are built in Indonesia. The largest Nickel Pig Iron smelting plant in China is built by DHHI with 12 sets of 33MVA furnaces and 8 sets of 48MVA furnaces, in total production of 1440000tons/year.
3. Independent design and manufacturing by DHHI
DHHI has its own designing department and manufacturing workshops specialized for making high quality smelter equipment.
4. Advantages of DHHI
Over 50 years of experience in furnace manufacturing with most advanced technology;
Having 80% of market share in China;
Nearly 1000 submerged arc furnaces supplied;
Over 20 EPC projects with 100 furnaces built;
State-owned company to guarantee competitive price and high quality;
Intelligent control and environment friendly design.
5. Typical Parameters of 33MVA FeNi furnace
| No. |
Parameter name |
Specifications |
| 1 |
Type of furnace |
Closed /semi-closed type RKEF submerged arc furnace |
| 2 |
Rated power |
33MVA |
| 3 |
Transformer primary side voltage |
35kV |
| 4 |
Furnace shell diameter |
φ18000mm |
| 5 |
Tap hole quantity |
4 |
| 6 |
Annual output |
~60000t Nickel pig iron |
| 7 |
Availability |
~320days/year |
Note: The parameters mentioned above are only for typical furnace. It depends on the specific conditions of client's project.
Audited Supplier 
){kind=link}
){kind=link}