MIXED-FIRING BURNERS FOR USE WITH PULVERIZED COAL AND HEAVY OIL

摘要

Specification Title of the Invention Mixed-firing Burners for Use with Pulverized Coal and Heavy Oil A heavy oil supply pipe, a protective pipe, an air supply pipe for burning heavy oil, a coal-air supply pipe, a coolant supply pipe and a protective caster are arranged concentrically in the order mentioned. A coal whirler and an air whirler are provided to inpart whirling motions to coal flame and heavy oil flame for thoroghly admixing them.