A POST-COMBUSTION LANCE INCLUDING AN INTERNAL SUPPORT ASSEMBLY

摘要

A post-combustion lance for directing a gas at least partially therethrough. The post-combustion lance includes a body having a primary tip from which a first part of the ga s exits, upper and lower portions, and a post-combustion distributor mounted between the upper and lower portions and upstream from the primary tip. The distributor includes a number of ports through which a second part of the gas exits the lance. The lance also includes an upper inner tube positioned at least partially upstream from the distributor and an internal support assembly for supporting the body. The internal support assembly includes an internal tube positioned inside th e body and coaxial with the body.