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    • 4. 发明申请
    • 전로에서의 용선 정련 방법
    • 如何对转炉上的木炭进行再融资
    • WO2018016909A1
    • 2018-01-25
    • PCT/KR2017/007874
    • 2017-07-21
    • 현대제철 주식회사
    • 김경환정권희김기성박종성
    • C21C5/30C21C7/064C21C7/068C21C5/46
    • C21C5/30C21C5/46C21C7/064C21C7/068
    • 전로에서의 용선 정련 방법에 대한 발명이 개시된다. 한 구체예에서 상기 전로에서의 용선 정련 방법은 고로에서 출선된 용선을 래들에 수선하여 예비처리 전로에 장입하고, 산소를 취입하여 용선을 취련하여, 탈실리콘(Si) 처리하는 단계; 상기 탈실리콘 처리된 용선을 KR(Kanvara reactor) 설비로 이동하고, 탈황제를 투입하여 탈황(S) 처리하는 단계; 및 상기 탈황 처리된 용선을 탈탄 전로에 장입하여 탈탄(C) 처리하는 단계;를 포함하며, 상기 래들에 수선된 용선은 실리콘(Si): 0.6~8.0 중량%, 유황(S): 0.03~0.2 중량%를 포함하며, 온도가 1,250℃ 이하이다.
    • < p num =“0000”> 铁水吹向铁水精炼方法吹入的氧含量的步骤,以及预处理电炉来修复由高炉到转换器的浇包chulseon铁水,处理脱硅(Si)在一个实施例中; 将脱硅熔融铁转移到KR(Kanvara反应器)设备,并引入脱硫剂进行脱硫(S)处理; 和脱碳处理(C)和加入到脱硫处理的铁水脱碳转换器;包括,一个铁水垂直于钢包是硅(Si):0.6〜8.0%(重量),硫(S):0.03〜0.2 Wt%,温度为1250℃或更低。
    • 9. 发明申请
    • THROUGH-HOLE SEALING DEVICE
    • 通孔密封装置
    • WO00077467A1
    • 2000-12-21
    • PCT/JP1999/003167
    • 1999-06-14
    • F16J15/24B60R21/26C21B11/00C21C5/40C21C5/46C21C7/00F16J15/46F27D3/00F27D3/16F27D7/02F27D7/06F27D19/00F27D21/02F27D25/00F27D99/00
    • F27D99/0073C21C5/46F27D3/16F27D7/02F27D19/00F27D25/001F27D2003/0036F27D2021/023
    • A through-hole sealing device capable of sealing a through hole through which a pipe is passed with a simple structure even if a pressure difference is large, wherein a plurality stages of gland packings (26) are arranged on the outer periphery of a pipe (21), the gland packings (26) are pressed radially inwardly by tubes (24) through retainers (30), the tubes (24) press the gland packings (26) against the outer peripheral surface of the pipe (21) by the pressure of a tightening gas fed through tightening gas access ports (31), the plurality stages of the tubes (24) and the gland packings (26) are held by ring spacers (30) and an outer tube (25), the pressing force of the gland packings (26) in sliding contact with the outer peripheral surface of the pipe (21) can be regulated easily by the regulation of the pressure inside the tubes (24), and a sealing performance can be increased easily with a simple structure.
    • 一种通孔密封装置,即使在压力差大的情况下也能够以简单的结构密封通过管的通孔,其中在管的外周配置有多个压盖填料(26) 如图21所示,压盖填料(26)通过保持器(30)被管(24)径向向内挤压,管(24)通过压力将压盖填料(26)压靠在管(21)的外周表面上 通过紧固气体进入口(31)供给的紧固气体,多个管子(24)和压盖填料(26)由环形间隔件(30)和外管(25)保持,压力 可以通过调节管(24)内的压力来容易地调节与管(21)的外周面滑动接触的密封填料(26),并且可以以简单的结构容易地增加密封性能。