Title:
SLAG REMOVING METHOD IN PIG IRON RECEIVING VESSEL
Document Type and Number:
Japanese Patent JPH01150792
Kind Code:
A
Abstract:
PURPOSE: To reduce the remaining slag and Si content in a molten pig by draining a floating slug on the molten pig, with feeding an oxidative gas to the molten pig in a pig receiving vessel. CONSTITUTION: When a mixed pig truck 1 is tilted to scrape slug 5 floating on a molten pig in the mixed pig truck 1, using a dragger 4, gas blowing pipes 3, 3 are inserted into the molten pig with their top ends dipped in the pig through pipe insert holes 2, 2 piercing the top face shell of the mixed pig truck 1 and an oxidative gas e.g. air is blown to make the slug fluidity good. Thus it is possible to reduce the Si content in the molten pig and smoothly drain the slug to lessen the remaining slag.
Inventors:
TOMOI MITSUYASU
KUROSAKI MASAO
TSUCHIYA MORIO
KUROSAKI MASAO
TSUCHIYA MORIO
Application Number:
JP30959787A
Publication Date:
June 13, 1989
Filing Date:
December 09, 1987
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
F27D3/15; C21C1/06; (IPC1-7): C21C1/06; F27D3/15
Domestic Patent References:
| JPS481565A | ||||
| JPS5916921A | 1984-01-28 | |||
| JPS6142763A | 1986-03-01 |
Attorney, Agent or Firm:
Fukuichi Kumagai