Ma Tingwen, Zhu Xinning, Yang Churong, Wang Kaili, Yao Shishun. Properties of a Magnetic Mirror Bi-Electrode DC EAF[J]. Chinese Journal of Engineering, 1993, 15(2): 139-144. DOI: 10.13374/j.issn1001-053x.1993.02.002
Citation: Ma Tingwen, Zhu Xinning, Yang Churong, Wang Kaili, Yao Shishun. Properties of a Magnetic Mirror Bi-Electrode DC EAF[J]. Chinese Journal of Engineering, 1993, 15(2): 139-144. DOI: 10.13374/j.issn1001-053x.1993.02.002
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Properties of a Magnetic Mirror Bi-Electrode DC EAF

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  • Discusses the noise and its frequency band produced both by a 5t magnetic mirror bi-electic DC EAF and the same size three-phase AC EAF during melting period in the steelmaking workshop of Beijing Heavy Machine Plant, as well as the stable-constant magnetic field produced by a magnetic mirror coil. Compared with the three phase AC EAF, the DC EAF is an idel steel-melting equipment of steelmaking. The noise, which is mainly composed of high frequency,has been decreased by 15dB during melting period. Has used a DC EAF, artificial stiring is not necessary in whole operation because of its high stiring strength in melting pool. The arc is stable and has a certain direction in burning so the temperature in melting pool can be increased with a high speed (4-6)℃/min.
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