DC Submerged Arc Furnace
CHNZB2024
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  • Parts 1
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  • Reads 2
  • Votes 0
  • Parts 1
  • Time <5 mins
CHNZB2024
Ongoing, First published Dec 30, 2024
arcdcfurnacesubmerged
https://www.zbmetaltech.com/products/dc-submerged-arc-furnace/


DC submerged arc furnace is superior to AC arc in stability and single direction, which has great benefits for heat transfer in metallurgical processes. Theoretical analysis indicates that replacing AC current with DC current is a significant technological innovation measure. Due to the absence of zero crossing of DC current, the stability of the arc is improved, and the interference to the power grid is reduced accordingly. The method of using direct current to smelt metal in a direct current submerged arc furnace is basically the same as that of an alternating current arc furnace. However, due to the high anode heat on the charging side, the electric heating efficiency of the DC arc is high. Using a controllable thyristor static converter as the power supply for the DC submerged arc furnace, the AC power supply can be converted into DC. Practices of the DC submerged arc furnace ferroalloys production confirmed the advantages of the DC submerged arc furnace process including energy saving and other economic benefits.Compared with 9 mva submerged arc furnace, except for yield is the same, specific energy reduces.

The structure of DC submerged arc furnace is basically similar to that of AC submerged arc furnace. The main electrical equipment includes rectifier transformer, rectifier cabinet, high and low voltage electrical equipment and electric control system. The main mechanical equipment includes single-phase self baking electrodes or graphite electrodes, electrode holders, electrode lifting structures and electrode hold and release devices, semi enclosed low smoke hoods, conductive furnace bodies, hydraulic systems, water cooling systems, feeding devices, and smoke exhaust systems.
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116 parts Ongoing

In a distant realm where magic thrives, ferocious beasts shake mountains and rivers with their mighty roars, and individuals wield superhuman strength capable of reshaping their surroundings. It is a magical world where the strong rules. But rampant corruption and chaos exist, where slavery, rape, murder, and discrimination against the weak were all but common. The magically superior people trample over the lesser unfortunate folks, using them as stepping stones and disposable assets. All hope for these downtrodden souls seems lost, but the wheels of fate have other plans for them. In a faraway ocean, one that is filled with demons and sea monsters, a great technological civilization suddenly appeared, one that came from a world that is only filled with chaos and destruction. This civilization became the heaven for people seeking a stable and peaceful life. The Earth rose and seas parted ways, and the environment had totally changed for its adaptability. Unfortunately, the inhabitants of this great technological civilization are all but manaless, arriving in a world where they are seen as inferior and as slaves. How will they react of finding themselves in a world where people can split mountains or bend the fabric of space, and where beings exist that even conventional weapons cannot defeat? How will they survive against deadly monsters, magical beasts, and superhumans that could threaten entire nations? And how will the other powers that exist in this world react to a powerful, advanced nation filled with a race they deem inferior? This is the story of one of the most powerful empires on Earth, and how it broke the balance of power and rose to the top.

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