SWIRL NOZZLE FOR SUPPLYING POWDERED SAMPLES WITH HIGH-TEMPERATURE AND HIGH-PRESSURE, TO EXTEND THE SERVICE LIFE OF THE NOZZLE

摘要

PURPOSE: A swirl nozzle for supplying powdered samples with high-temperature and high-pressure is provided to improve the mixing efficiency of an oxidizing agent and pulverized coal by strongly swirling the oxidizing agent.;CONSTITUTION: A swirl nozzle(20) for supplying powdered samples with high-temperature and high-pressure comprises a circular hole(2) and multiple supply holes(14). The circular hole is formed at the center of the swirl nozzle to supply pulverized coal and nitrogen. The supply holes are formed around the circular hole at uniform intervals and supply oxygen and steam. The inlets and outlets of the supply holes are connected each other.;COPYRIGHT KIPO 2011