OCR Text |
Show Figure 7 : Relative NOx reduction and CO profile versus pulsation frequency when pulsating only natural gas with solenoid valve, Pure oxygen/natural gas flame (power : 20 tw ; 15" IlitroteD ill Daharal pa. 6" oxyp in dry flue pa) } ::: ••.••.•••• ••• .•••• · ••• ·.; •••••• ,.·., ••• j.].1.1.;1.··.·•• ·~.· '•• -••• :.~.;.,.;i ••••·•• • · : ~ ~ :.: ····:·· -. . ~~ .;::· i :jTU:'· : 8' Z 0.2 Pulsation frequency fnmace D'l ; only IWUra1 gu puJsed fume temperature : l3OO0C Figure 8 : Relative NOx reduction and CO profile versus pulsation frequency when pulsating only oxygen with solenoid valve, Pure oxygen/natural gas flame (power : 20 kW ; IS" AitrogeD ill Daharal gu, 6" ollygea in dry flue gas) 1.2 J . . ......................... : .... ' ... , .: ......... . .... ... : .... .. ......... .. : .. : .. , .. :. :.:.......... 6 . . .. . : . : : ::;: C' 1.0 ........................ : ....... ~ ..... : ... ; ... : .. ~.; .. : ·; .... · .. ·< ...... ·i .. · ..... ; .. . ~ 0.8 I< o ~ 0.6 ~ 0.4 Z 0.2 . . 0.0 .l.-----,.-_~:::::;z,_.Q.~~ __ ~::::::;:::;;::::;:::;:::;:;:::::::::::!...1. 0 Pulsation frequency fumace DOl ; OGI, OIl'B«! pulled fume IcIII.pCntIIrC : l3000C 13 8 |