Plasma apparatus for the production of high quality spherical powders at high capacity
AssigneePyrogenesis Canada Inc.
InventorsChristopher Alex Dorval Dion, William Kreklewetz, Pierre Carabin
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Abstract
An apparatus and a process for the production at high capacity of high purity powders from a wire using a combination of plasma torches and induction heating are disclosed. The process has good productivity by providing a preheating system. A mechanism is included in the apparatus, which allows adjusting the position of the plasma torches and their angle of attack with respect to the wire, permitting to control the particle size distribution.
Claims15
An apparatus to produce powder from a wire by plasma atomization, comprising:
- a device for preheating the wire;
- at least one plasma torch for heating the wire to atomization;
- and
- a chamber for cooling atomized particles to solid state,
- wherein the device for preheating the wire includes an induction coil.
An apparatus to produce powder from a wire by plasma atomization, comprising:
- a device for preheating the wire;
- at least one plasma torch for heating the wire to atomization;
- and
- a chamber for cooling atomized particles to solid state,
- wherein the device for preheating the wire includes an induction coil,
- and wherein there is provided a wire guide that is transparent to induction, whereby heat from the induction coil is transferred directly to the wire.
Dependencies are inferred from the claim text.