Gas injection device
AssigneeSMS group GmbH
InventorsAndreas Schüring, Nikolaus Peter Kurt Borowski
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Abstract
A gas injection device for introducing a process gas into a non-ferrous metal melt and/or slag, in particular a copper melt and/or copper slag, including a hollow-cylindrical lance which is formed from a refractory material and/or graphite, preferably includes a refractory material and/or graphite. The lance has an inlet opening for the process gas and a gas injection module connected to the hollow-cylindrical lance and formed from a refractory material and/or graphite, preferably including a refractory material and/or graphite, with at least one outlet opening for the process gas. The outlet opening includes at least one through-flow element formed from a ceramic material via which the process gas can be introduced into the melt.
Claims13
A gas injection device for introducing a process gas into a copper melt and/or copper slag, comprising:
- a hollow-cylindrical lance which includes a refractory material and/or graphite, wherein the hollow-cylindrical lance has an inlet opening for the process gas and a gas injection module connected to the hollow-cylindrical lance and including a refractory material and/or graphite, with at least one outlet opening for the process gas, wherein the at least one outlet opening has at least one through-flow element formed from a ceramic material via which the process gas can be introduced into the melt;
- the gas injection module is in a form of an impeller wheel and the at least one outlet opening is arranged centrally in the impeller wheel,
- the through-flow element formed from the ceramic material is in a form of a sleeve that is closed on one side and is inserted into the at least one outlet opening and is firmly connected to the impeller wheel, and
- the sleeve has at least one outlet channel arranged perpendicular to its longitudinal axis.
Dependencies are inferred from the claim text.