Experimental Study of the Atomizing Performance of a New Type of Nozzle for Coal Water Slurry

摘要

In this paper, a new type of coal water slurry nozzle for gasification has been developed by us, and its atomizing performance has been studied experimentally. The influences of the nozzle work load and gas flow on the atomizing particle distribution, Sauter mean diameter (SMD), and nozzle atomizing angle have been carefully discussed. The results show that there is a double-peak distribution of the atomizing particle in the flow field of atomization. In addition, the SMD will decrease, and the uniformity of the atomizing particle becomes better as the nozzle work load decreases and the gas flow increases. Also, the atomizing quality is clearly improved.