US Patent Issued to Andritz on Dec. 9 for "Method for reducing combustion temperature and thermal radiation within a lime kiln" (Finnish Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,818, issued on Dec. 9, was assigned to Andritz Oy (Helsinki).

"Method for reducing combustion temperature and thermal radiation within a lime kiln" was invented by Jari Paykkonen (Kotka, Finland) and Nina Venalainen (Kotka, Finland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for reducing combustion temperature and/or thermal radiation within a lime kiln of a pulp production plant, which kiln is a rotary kiln having a kiln tube (1) internally covered with refractory tiles (13) and having a burner (2) supplied by fuel for heating of the rotary kiln by a flame (3). The effects are achieved by supplying calcium carbonate containing particles ...