Ozan Uylas, Y. Kaya, S. Savelev, G. Romanenko, A. Bykov
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引用次数: 0
摘要
Yılmaden控股是铬行业的重要参与者之一，公司由10家公司组成，在7个不同的国家开展业务。高质量的高碳铬铁(HQ HC FeCr)由3个不同的工厂和12个熔炉生产。这些工厂是土耳其的Eti Krom公司，瑞典的Vargon合金公司和俄罗斯的Tikhvin铁合金公司。Tikhvin铁合金(TFZ)的铸造作业长期通过内衬耐火材料的钢包进行，气候条件也很恶劣。在这些工作条件下，一些液态金属在钢包中凝固，需要进行二次加工。二次金属回收过程增加了生产成本，因此钢包耐火材料的设计对于减少铸造过程中金属的凝固量至关重要。为了减少热损失，减少再加工金属的体积，研究了一种新的耐火衬里设计，以提高转炉钢包的保温性能。对现有设计和新设计的理论热损失计算进行了比较。
A Study on Decreasing Heat and Metal Loss In Ladle In HC-FeCr Production
Yılmaden Holding is one of the important players in the chromium industry, company consists of 10 companies and operating in 7 different countries. High-quality high carbon ferrochromium (HQ HC FeCr) is produced in 3 different plants with 12 furnaces. These plants are Eti Krom Inc in Turkey, Vargon Alloys AB in Sweden, and Tikhvin Ferro Alloy in Russia. Tikhvin Ferro Alloy (TFZ) casting operations take place through refractory-lined ladles for a long time and also climate conditions are tough. Under these working conditions, some of the liquid metal solidifies in the ladle and a secondary process is needed. The secondary metal recovery process increases the production cost, that’s why ladle refractory design has critical importance to decrease solidified metal amount during casting. In this study, to decrease heat loss and reprocessed metal volume, a new refractory lining design to increase insulation capability of transfer ladle is studied. Theoretical heat loss calculation of existing design and new design are compared.
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