CUTTING NOZZLE WITH TWO RINGS OF HEATING GAS PASSAGES FOR IRON AND STEEL INDUSTRY
摘要
The nozzle comprises an oxidizing outer heating ring and a carburizing inner heating ring surrounding the cutting jet. This nozzle is made in two parts respectively forming a unit (1) opf injectors and a cutting unit (2) in adjoining relation to each other in a transverse joint plane and in which are provided various passageways (4, 5). Grooves (7) are provided for putting the outer passageways (5) in communication with the inner passageways (4) so as to supply to the inner passageways (4) the required small quantity of oxygen for the inner heating ring from the oxy-fuel mixture supplied to the outer passageways (5).
申请公布号
GR3000015(T3)
申请公布日期
1989.10.31
申请号
GR19890400005T
申请日期
1989.05.03
申请人
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE