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Show Table 4 lists the specifics of injection nozzles. Each nozzle can accommodate an insert to modulate the injection speed, and is equipped with a valve so that each nozzle can be turned on and off. Table 4 Sizes & Numbers of Injection Nozzles Nozzle Natural Gas/ Recirculating Flue Gas Nozzle Overfire Air Nozzle Pr Illary Air Fan o Gas AnalYSis INa,. co. co,. 0,1 ® Gas AnalYsis INa,. co. co,. 0,1 CD Gas AnalYSiS INa,. co. co,. 0,1 r - - - - - e ® Gas Analysis Location Front of Furnace Rear of Furnace Front of Furnace Rear of Upper Furnace Lower Furnace Sidewall e I ® Gas AnalYsis I INa,. co. co,. 0,1 INa,. co. co,. 0,1 ' - - - - - - e (DGas AnalYsis -~~~-:--:~ I INa ,. co. CO,. 0,1 6 ~ Number 12 12 6 8 6 8 e Air Heater ® Gas Size 1.5",2" 1.5",2" 2.5",3" 2".2.5".3" 2",2.5",3" 2.5",3' INa,. co. co,. 0,1 IOF Figure 2 Flow Diagram of Rebuming Demonstration Test Plant I I I I 51, I I I I 5 |