种酸性含铬型钒钛烧结矿的制备方法

种酸性含铬型钒钛烧结矿的制备方法,属于冶金技术领域,按以下步骤进行:(1)准备原料,其中铁矿粉占总重量的5~20%,白灰占总重量的0~2.5%,焦粉占总重量的5~6%,其余为含铬型钒钛磁铁矿粉;(2)加水放入混料机中,混合获得待烧结球料;(3)在烧结机中布料,进行点火抽风烧结;(4)当烧结废气温度降至≤100℃时,将烧结后的物料取出,破碎筛分出粒度在5~40mm的部分,获得烧结矿。本发明的方法不需花费大量资金投资润磨设备来润磨,而且不需添加剂,保证了成品的低碱度和高品位,部分或全部替代酸性球团矿,完全可以满足高炉对酸性炉料的质量要求。 The invention relates to a pr...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Format: Patent
Sprache:chi
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:种酸性含铬型钒钛烧结矿的制备方法,属于冶金技术领域,按以下步骤进行:(1)准备原料,其中铁矿粉占总重量的5~20%,白灰占总重量的0~2.5%,焦粉占总重量的5~6%,其余为含铬型钒钛磁铁矿粉;(2)加水放入混料机中,混合获得待烧结球料;(3)在烧结机中布料,进行点火抽风烧结;(4)当烧结废气温度降至≤100℃时,将烧结后的物料取出,破碎筛分出粒度在5~40mm的部分,获得烧结矿。本发明的方法不需花费大量资金投资润磨设备来润磨,而且不需添加剂,保证了成品的低碱度和高品位,部分或全部替代酸性球团矿,完全可以满足高炉对酸性炉料的质量要求。 The invention relates to a preparation method of acidic chromium-containing vanadium-titanium sintered ore, belonging to the technical field of metallurgy. The preparation method comprises the following steps: (1) preparing the following raw materials in percentage by weight: 5-20% of iron ore powder, 0-2.5% of white lime, 5-6% of coke powder and the balance of chromium-containing vanadium-titanium magnetite powder; (2) adding water into a mixer, and mixing to obtain a pellet material to be sintered; (3) distributing the material in a sintering machine, and igniting to perform downdraft sintering; and (4) when the sintering exhaust gas temperature drops to at most 100 DEG C, taking out the sintered material, crushing, and screening out the par