Nozzle Opening Time’s Impact on Flow Characteristis of SSCR

Da Wei Qu; Shao Hua Liu; Lu Yan Fan; Jun Yan Ma

doi:10.4028/www.scientific.net/AMM.644-650.718

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 644-650Nozzle Opening Time’s Impact on Flow...

Nozzle Opening Time’s Impact on Flow Characteristis of SSCR

Abstract:

SSCR system is different from traditional SCR on the source of the NH₃ produced, with the method of ammonium salt decomposition into NH3, directly spraying the NH₃ into the SCR catalytic box to react with the NOx in the auto exhaust. So on the structure, new SSCR replace the Urea nozzle with a NH₃ nozzle. The nozzle flow rate is related with the nozzle opening time, frequency and the back pressure and so many other factors. So in our experiment, we completed the control strategy of nozzle opening time on Mototron platform, and using the method of drainage obtained the experimental data of the nozzle flow rate.