A.M. Arkhipov, MPEI (TU); A.A. Vagner, OJSC “RAO UES of Russia”; N.I. Solovyev, OJSC CKB “Energoremont”;
V.V. Abramov, OJSC “Zapadno-Sibirskaya TPP”
A layout scheme of burners for combustion of oil and gas in direct-flow swirling flame (DFSF) with vertical axis of rotation of flue gases  was initially introduced in 1978 at BKZ-160-100GM boiler at Efremovskaya TPP of Tulenergo.