Title:
MOLTEN IRON DEPHOSPHORIZING AGENT
Document Type and Number:
Japanese Patent JPH07118722
Kind Code:
A
Abstract:
PURPOSE: To provide a CaO-base dephosphorizing agent to be used to refine molten iron in steel refining.
CONSTITUTION: This molten iron dephosphorizing agent consists essentailly of quick lime, contains 10-30wt.% moisture and has 5-25vol.% porosity. The quick lime should be derived from calcium carbonate. This agent having ≥5mm size exhibits a slag formation property equivalent to that of small-grain quick lime having ≤5mm size.
Inventors:
MUKAWA SUSUMU
MIZUKAMI YOSHIMASA
MIZUKAMI YOSHIMASA
Application Number:
JP26656293A
Publication Date:
May 09, 1995
Filing Date:
October 25, 1993
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
C21C1/02; (IPC1-7): C21C1/02
Attorney, Agent or Firm:
Tomoyuki Yathata (1 outside)