The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
Sep. 27, 2021
Paul Wurth S.a., Luxembourg, LU;
PAUL WURTH S.A., Luxembourg, LU;
Abstract
The injector(s) have a nozzle body with an inner gas channel for guiding reducing gas from an inlet port to injection holes(s). The nozzle body is mounted trough an aperture in the blast furnace wall at a shaft level of the blast furnace and includes a peripheral mounting portion configured for connecting the injector in a gas tight manner to the aperture. The inlet port is in fluidic connection with a reducing gas distribution pipe by means of an injector stock including a feeding pipe connected to the reducing gas distribution pipe, an elbow connected to the feeding pipe and an injector pipe connected to the elbow and being flange mounted in a gas tight manner to the inlet port. The injector pipe and/or an outlet of the elbow have at least one cardan compensation joint.