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1. WO2020111670 - TAPPING APPARATUS OF CONVERTER FURNACE

Publication Number WO/2020/111670
Publication Date 04.06.2020
International Application No. PCT/KR2019/016139
International Filing Date 22.11.2019
IPC
C21C 5/46 2006.01
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
5Manufacture of carbon steel, e.g. plain mild steel, medium carbon steel, or cast-steel
28Manufacture of steel in the converter
42Constructional features of converters
46Details or accessories
F27D 3/14 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS, OVENS OR RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
3Charging; Discharging; Manipulation of charge
14Charging or discharging liquid or molten material
CPC
C21C 5/46
CCHEMISTRY; METALLURGY
21METALLURGY OF IRON
CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
5Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel ; or stainless steel
28Manufacture of steel in the converter
42Constructional features of converters
46Details or accessories
F27D 3/14
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
27FURNACES; KILNS; OVENS; RETORTS
DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
3Charging; Discharging; Manipulation of charge
14Charging or discharging liquid or molten material
Applicants
  • 주식회사 포스코 POSCO [KR]/[KR]
Inventors
  • 서성모 SEO, Sung Mo
  • 박현서 PARK, Hyun-Seo
  • 안종태 AHN, Chong-Tae
  • 곽상진 KWAK, Sangjin
Agents
  • 유미특허법인 YOU ME PATENT AND LAW FIRM
Priority Data
10-2018-014998928.11.2018KR
Publication Language Korean (KO)
Filing Language Korean (KO)
Designated States
Title
(EN) TAPPING APPARATUS OF CONVERTER FURNACE
(FR) APPAREIL DE COULÉE D'UN FOUR CONVERTISSEUR
(KO) 전로의 출강 장치
Abstract
(EN)
A tapping apparatus of a converter furnace, according to one embodiment of the present invention, comprises: a nozzle part; and a gas supply pipe. The nozzle part is fixedly installed on a furnace body so as to surround a tap hole sleeve, has an annular injection port, and injects a shield gas through the injection port during tapping to surround a tapping flow with the shield gas. The gas supply pipe is connected to the nozzle part to supply the shield gas to the nozzle part.
(FR)
Un appareil de coulée d'un four convertisseur, selon un mode de réalisation de la présente invention, comprend : une partie buse ; et un tuyau d'alimentation en gaz. La partie buse est installée de manière fixe sur un corps de four de façon à entourer un manchon de trou de robinet, a un orifice d'injection annulaire, et injecte un gaz de protection à travers l'orifice d'injection pendant la coulée pour entourer un écoulement de coulée avec le gaz de protection. Le tuyau d'alimentation en gaz est relié à la partie buse pour fournir le gaz de protection à la partie buse.
(KO)
본 발명의 일 실시예에 따른 전로의 출강 장치는 노즐부와 가스 공급관을 포함한다. 노즐부는 출강구 슬리브를 둘러싸도록 노체에 고정 설치되고, 고리 형상의 분사구를 구비하며, 출강 시 분사구를 통해 쉴드 가스를 분사하여 출강류를 쉴드 가스로 둘러싼다. 가스 공급관은 노즐부에 접속되어 노즐부로 쉴드 가스를 공급한다.
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