OCR Text |
Show Phase 3 1. Test the burner design procedure developed in Phase 1 and Phase 2 using the dual fuel burner. 2. Design and construct a dual fuel industrial burner using the research burner test results to finalize the industrial burner design. GENERAL BURNER DESIGN PROCEDURE In general, four major criteria must be considered when designing a burner: the flame stability, fuel burnout, NOx emissions and flame dimensions. Be low a genera 1 procedure for a burner des i gn is gi ven. The des i gn normally entails the following three steps: - Select order of priorities among: A. Stability B. Burnout C. NOx D. Flame shape - Depending on order of priorities, use appropriate design procedures to calculate burner geometries, injector designs, swirl levels. etc. - If initial design features are not compatible with other burner features, alter original design. FLAME STABILITY DESIGN PROCEDURE 1. For the fuel type and mixing rate and/or staging level estimate the IRZ recirculation rate desired for a stable flame. Use semi-empirical data, generated from fuel ignition temperatures. -4- |