1. Melting furnace description
Melting furnace :
The melting furnace mainly comprises a 12-pulse rectifier transformer, an intermediate frequency power supply, a steel shell furnace body and a PLC auxiliary melting management system. The PLC-assisted smelting management system not only displays the real-time data and information of the power supply operation, but also displays the operating status and information of the entire system, and has automatic oven, cold furnace start, fault diagnosis, fault information display and storage, and operation information display. , system status display and other functions.
ZS 11 - 7000 /10-1. 0 * 2 parameters of the rectifier transformer:
Electric furnace capacity (t) | IF power (KW) | Transformer capacity (KVA) | Voltage combination | Connection group label | Impedance voltage (%) | |
Primary side (KV) | Secondary side (V) | |||||
10T | 7000 | 7000 | 10 | 1000 | Y/d11 | 6-8 |
Main technical parameters of 10T / 7000kw medium frequency coreless induction melting furnace
A, comprehensive parameters | ||
Serial /span> | project | Parameter requirement |
1 | Melting furnace form | Medium frequency melting furnace |
2 | Melting furnace use | Used for melting cast iron , carbon steel, etc. |
3 | Rated Capacity | 10T |
4 | Maximum capacity | 10T +30% |
5 | Operating temperature | 1700 °C |
6 | Smelting material | Cast iron , carbon steel |
7 | Lower discharge mode | Hydraulic : hydraulic control |
9 | Working noise | <85 decibels |
10 | Furnace structure | Steel shell |
12 | Melting rate | 16 T/h |
13 | Melting power consumption | ≤ 52 0±5% kW.h/t ( cast iron 1550 degrees) |
14 | Melting time | 90 minutes / furnace |
B, electrical parameters: | ||
Serial /span> | project | parameter |
1 | Power supply | 7000kw / 6 se 12 pulse 10T |
2 | of rectifiers | 12 veins |
3 | Inverter | SCR parallel inverter |
4 | Rated frequency | 250 Hz |
5 | DC voltage | 2700v |
5 | Incoming AC voltage | 1000 V |
6 | IF voltage | 3800 V |
7 | DC | 2600A |
8 | Start success rate | 100% |
| Power factor | Greater than 0.92 |
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