US Patent Issued to JFE STEEL on Nov. 3 for "Operation guidance method, blast furnace operation method, hot metal manufacturing method, and operation guidance apparatus" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,296, issued on Nov. 3, was assigned to JFE STEEL Corp. (Tokyo).

"Operation guidance method, blast furnace operation method, hot metal manufacturing method, and operation guidance apparatus" was invented by Yoshinari Hashimoto (Tokyo) and Ryosuke Masuda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An operation guidance method includes: predicting a state in a blast furnace when a current operation state is retained in a future, by using a physical model that is able to calculate the state in the blast furnace; and displaying, on an output device, an oxygen balance in a raceway region, a carbon balance in an entire furnace, and an oxygen balan...