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    • 3. 发明授权
    • 용강 탈황제 공급장치
    • 用于脱硫钢的设备
    • KR101443348B1
    • 2014-09-19
    • KR1020130033810
    • 2013-03-28
    • 현대제철 주식회사
    • 김해곤박근호이재협
    • C21C1/02
    • C21C1/02C21C1/025C21C1/06
    • A device to supply molten steel desulfurizing agent is provided. According to an embodiment of the present invention, a device to supply molten steel desulfurizing agent comprises: a desulfurizing agent injection part form in a molten steel tap hole in order for desulfurizing agent to be injected to a molten steel tapped through the molten steel tap hole; a desulfurizing agent supply part connected to the desulfurizing agent injection part to supply desulfurizing agent to the desulfurizing agent injection part; and a supply tube mutually connecting between the desulfurizing agent supply part and the desulfurizing agent injection part.
    • 提供了一种供应钢水脱硫剂的设备。 根据本发明的一个实施方案,提供钢水脱硫剂的装置包括:在钢水龙头孔中设置脱硫剂注入部分形式,以便将脱硫剂注入到通过钢水龙头孔敲击的钢水中 ; 与脱硫剂注入部连接的脱硫剂供给部,向脱硫剂注入部供给脱硫剂; 以及在脱硫剂供给部和脱硫剂注入部之间相互连接的供给管。
    • 8. 发明公开
    • 용강 샘플 채취용 샘플러
    • 用于收集金属样品的样品
    • KR1020140017162A
    • 2014-02-11
    • KR1020120083646
    • 2012-07-31
    • 현대제철 주식회사
    • 이중범김해곤박근호
    • G01N33/20G01N1/10C21C5/46
    • The present invention relates to a sampler for collecting the sample of molten metal, wherein the sampler can prevent contamination of the sample of molten metal by the sampler and does not require addition processing for the removal of molten steel after sampling. The sampler includes: a cylinder which comprises a liner unit which is formed in the shape of an open container with open top to accommodate samples and a shell unit which is formed in the shape of an open container with open top and covers the outer surface of the liner unit; and a lid which prevents slag arranged on the top of molten steel from being introduced into the liner unit when the slag is introduced into the molten steel and is separated from the liner unit by air expanded inside the liner unit when the sample of molten steel is collected.
    • 本发明涉及一种用于收集熔融金属样品的取样器,其中采样器可以防止采样器对熔融金属样品的污染,并且不需要在采样之后去除钢水的加工处理。 取样器包括:圆柱体,其包括衬套单元,该衬套单元形成具有开口容器的开口容器的形状以容纳样品;壳单元,其形成为具有开口顶部并且覆盖 班轮单位; 以及当炉渣被引入钢水中时,防止排放在钢水顶部的炉渣引入衬套单元的盖子,并且当钢水样品为 集。
    • 9. 发明公开
    • 극저탄소강의 제조 방법
    • 超低碳钢的制造方法
    • KR1020140003777A
    • 2014-01-10
    • KR1020120069835
    • 2012-06-28
    • 현대제철 주식회사
    • 박근호장철호홍용의
    • C21C5/28C21C7/00C21C7/072
    • C21C5/28C21C7/00C21C7/072C21C2200/00
    • The present invention relates to a method of manufacturing an extra-low-carbon steel in which a carbon concentration is less than or equal to 0.002% through resources recycling comprising: a step for processing RH degassing by tapping a molten steel refined in a converter to a ladle; a step for injecting a slag oxidizing agent into the ladle in order to increase an oxidation degree of a slag while transferring the ladle to a continuous casting process after processing the RH degassing in the above step; and a step for transferring that a molten steel and the slag, where the oxidation degree is increased due to the injection of the slag oxidizing agent, are reacted and trigger an additional decarbonizing reaction to the continuous casting process. [Reference numerals] (AA) Start; (BB) End; (S10) Process RH degassing of a molten steel refined in a converter; (S20) Inject a slag oxidizing agent into a ladle while transferring the ladle to a continuous casting; (S30) Decarbonize the molten steel by reacting the molten steel and a slag
    • 本发明涉及一种通过资源回收制造碳浓度小于等于0.002%的超低碳钢的方法,其特征在于,包括:通过将转炉中精炼的钢水进行脱硫来处理RH脱气的工序 钢包 在上述步骤中处理RH脱气之后,将渣渣氧化剂注入钢包中以增加炉渣的氧化度,同时将钢包转移到连铸过程中的步骤; 并且使由于炉渣氧化剂的注入引起的氧化度升高的钢水和炉渣转移的步骤反应,并引发对连续铸造工艺的额外的脱碳反应。 (附图标记)(AA)开始; (BB)结束; (S10)在转炉中精炼的钢水的处理RH脱气; (S20)在将钢包转移到连续铸件中时,将渣氧化剂注入钢包中; (S30)通过使钢水和炉渣反应来使钢水脱碳