高端工業(yè)純鐵脫錳工藝研究

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摘 要：高端工業(yè)純鐵要求W（Mn）≤0.02%，Mn含量的控制是主要難點(diǎn)。為此分析了鐵水Mn含量、轉(zhuǎn)爐終點(diǎn)溫度、轉(zhuǎn)爐終點(diǎn)氧活度、終渣堿度以及鋼包渣成分對(duì)Mn含量控制的影響。通過(guò)合理控制鐵水Mn含量、轉(zhuǎn)爐終點(diǎn)溫度、轉(zhuǎn)爐終點(diǎn)氧活度、終渣堿度以及鋼包渣成分，實(shí)現(xiàn)成品W（Mn）≤0.02%的穩(wěn)定控制。

關(guān)鍵詞：工業(yè)純鐵；脫錳工藝；錳分配比；精煉渣

RESEARCH ON HIGH-END INDUSTRIAL PURE IRON MANGANESE REMOVAL PROCESS

Li Yang

（Tangshan Iron & Steel Group Co. Ltd. Tangshan 063105，China）

Abstract：High end industrial pure iron requires W（Mn）≤0.02%. The control of Mn content is the main difficulty. In this paper， the effects of Mn content in hot metal， converter end temperature， oxygen activity at converter end point， basicity of converter final slag and ladle slag composition on Mn content control are analyzed. The stable control of W （Mn） ≤ 0.02% can be achieved by reasonable control of Mn content in hot metal， end point temperature of converter， oxygen activity of converter end point， basicity of converter final slag and composition of ladle slag.

Key words：industrial pure iron; manganese removal process; manganese distribution ratio; refining slag

0 前 言

工業(yè)純鐵作為一種重要的鋼鐵基礎(chǔ)材料，主要用于冶煉各種高溫合金、耐熱合金、精密合金、馬氏體時(shí)效鋼等航空航天、軍工和民用合金或鋼材[1]。（剩余5526字）