1.0T medium frequency copper melting furnace
The parallel type one electric two furnace configuration is suitable for smelting copper and copper alloys. The medium frequency power supply is configured as 6-pulse 800KW / 1kHz. The complete set of equipment consists of a kgps800kw / 1kHz single rectifier parallel inverter medium frequency power supply, two 1.0T steel shell electric furnaces, a set of compensation capacitor bank, a set of hydraulic tilting system, a set of water-cooling cables, etc
Layout of equipment of one electric two furnace copper melting furnace
1.1 equipment characteristics of parallel medium frequency smelting furnace:
The parallel type one electric two furnace smelting furnace adopts a set of medium frequency power supply, which can supply power to one electric furnace and the other is standby. The power of the medium frequency power supply can be adjusted steplessly. The equipment has the following characteristics:
1.1 (1) the rectifier circuit adjusts the power by adjusting the conduction angle of thyristor.
1.2 (2) power factor of power system ≥ 90%. The high-order harmonic reaching the standard has no interference to the power grid.
1.3 (3) the success rate of full load starting is 100%
1.4 (4) constant power output: if the grid voltage increases or decreases, the fluctuation is large, but the power output can remain constant to ensure full power output.
1.5 (5) power frequency voltage of power grid does not need compensation. When continuous smelting is needed, it can be kept warm or heated at an accurate temperature
8.1 main process parameters of medium frequency furnace
Main parameters of 1t boiler:
Rated power of transformer ≥ 1000KVA
Incoming voltage 660V ± 10%
2. Rated power of power supply ≥ 800KW (6 pulses in parallel)
3 if frequency ≥ 1000Hz
4. Melting temperature 1250 ºC
5. Rated capacity: 1.0T
6. Maximum capacity ≥ 1.4
7. Parallel 6-pulse wave in the form of rectifier and inverter
8. The melting rate (molten iron) shall be determined according to each furnace body
9. Melting power consumption (liquid copper water) 530KW h/t±5%
10. Power factor ≥ 0.9
11 power supply form 3-phase 6-pulse
12 furnace type, one electric furnace and two furnaces, that is, one set of power supply and two furnace bodies
13. Starting success rate: 100%
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