MUMBAI, India, Aug. 17 -- Intellectual Property India has published a patent application (202617078356 A) filed by Nippon Steel Corporation on June 25, 2026, for Blast Furnace Operation Method.
Inventors include Yasuda Naoto; Mio Hiroshi; and Nakano Kaoru.
The application for the patent was published on August 14, 2026, under issue no. 33/2026.
Abstract: One aspect of the present disclosure relates to a blast furnace operation method in which an iron raw material containing reduced iron is charged into a furnace, the method comprising: an acquisition step for acquiring in advance an ?CO distribution in a reference operation where the charged iron raw material does not contain reduced iron; a high-?CO region identification step for defining an average value of ?CO in the ?CO distribution or ?CO calculated from the furnace top gas as an average ?CO, and identifying in advance a high-?CO region where a relative ?CO obtained by dividing the ?CO in the ?CO distribution by the average ?CO is 1.0 or greater; and a charging step for charging 75 mass% or more of the reduced iron into the high-?CO region.
Disclaimer: Curated by HT Syndication.
