NOZZLE OF PLASMA BURNER COOLED WITH LIQUID, AS WELL AS HEAD OF PLASMA BURNER WITH NOZZLE Russian patent published in 2014 - IPC H05H1/28 B23K10/00 

FIELD: power industry.

SUBSTANCE: invention relates to the field of plasma engineering. A nozzle for a plasma burner cooled with liquid includes drilling of a nozzle for outlet of a plasma gas jet on the nozzle end, the first section, the outer surface of which has a cylindrical shape and the second section adjacent to it, to the nozzle end, the outer surface of which converges conically in the direction to the nozzle end; besides, a provision is made for at least one liquid supply groove and/or at least one liquid discharge groove and are continued through the second section in the outer surface of nozzle (4) in the direction towards the nozzle end, and with that, the liquid supply groove or at least one of the liquid supply grooves and/or a liquid discharge groove, or at least one of the liquid discharge grooves is also continued through some part of the first section, and in the first section there is at least one groove interconnected with the liquid supply groove or at least with one of the liquid supply grooves or with the liquid discharge groove or at least with one of the liquid discharge grooves.

EFFECT: reduction of nozzle overheating.

18 cl, 11 dwg