20Ton 10000kw Coreless Medium Frequency Induction Melting Furnace
Name | Unit | Parameter | Remark | |
Rated capacity | t | 20 |
| |
Max Load capacity | t | 25 |
| |
Rated power | kw | 10000 | 10MW | |
Power frequency | Hz | 50 |
| |
Working frequency | Hz | 250 |
| |
Melting rate | t/h | 18~20 |
| |
Power consumption | kw.h/t | 500-550 | At 1600oC | |
Inner diameter of inductor/coil | mm | Φ1750 |
| |
Height of inductor/coil | mm | 2260 |
| |
Rated temperature of melting steel | oC | 1600 |
| |
Incoming voltage to MF power supply | v | 1000 |
| |
Rectificate mode |
| 24 pulse |
| |
Voltage of inductor | V | 3200~3400 | Double voltage | |
Cooling water of the furnace | Pressure of incoming water | Mpa | 0.25~0.3 |
|
Temperature of incoming water | oC | ≤5~35 |
| |
Temperature of outlet water | oC | ≤55 |
| |
Flow rate (furnace body) | t/h | 200 | one furnace body | |
Flow rate (power source) | t/h | 140 |
| |
Water temperature rise of power source | oC | 10 |
| |
Cooling water of the electric equipment | Mpa | 0.1~0.2 |
| |
Hydraulic system | Working pressure | Mpa | 12 | Double motors Double pumps |
Flow rate | L/min | 160 |
| |
Hydraulic medium |
| Anti-wear hydraulic oil (by buyer) | Summer: N68 Winter: N46 | |
Diameter of the hydraulic cylinder | mm | Φ250 |
| |
Rectification transformer | Capacity | KVA | 6300x2 | 2pcs, 15000 in all |
Primary Voltage | KV | 32 | Provide by buyer | |
Secondary Voltage | V | 1000 |
| |
Connection |
| Dy11d0 Net side phase shifting +7.5º | Both sides Δ/Y double round | |
Dy1d2 Net side phase shifting -7.5º | Star winding midpoint derivation | |||
Impedance voltage |
| 8~9% |
| |
Phase |
| Three-phase input, six-phase output |
| |
Voltage adjust mode |
| No excitation voltage adjust |
| |
Cooling |
| Force-oil and water cooling |
|
