Gas purging element and associated gas connection element

Patent metadata

Field	Value
Publication number	US-2016290722-A1
Application number	US-201415037717-A
Country	US
Kind code	A1
Filing date	Nov 11, 2014
Priority date	Jan 9, 2014
Publication date	Oct 6, 2016
Grant date	—

Abstract

Gas purging element ( 10 ) for metallurgical applications, comprising the following features in its mounted state: a ceramic refractory body ( 10, 30 ) with a lower end and an upper end, the upper end features an upper front surface, the lower end features a lower front surface ( 12 ), a depression ( 20 ) extends from the lower front surface ( 12 ) into the lower end of the ceramic refractory body ( 10 ), the depression ( 20 ) comprises a first part ( 16, 16′, 16″ ) of a detachable, form-fit connection to a gas connection element ( 50 ), a fluidic connection for a treating gas through at least one gas permeable section ( 30 ) of the ceramic refractory body ( 10 ) is provided between the depression ( 20 ) and the upper front surface.

First claim

1 . Gas purging element ( 10 ) for metallurgical applications, comprising the following features in its mounted state:
a) a ceramic refractory body ( 10 , 30 ) with a lower end and an upper end, b) the upper end features an upper front surface, c) the lower end features a lower front surface ( 12 ), d) a depression ( 20 ) extends from the lower front surface ( 12 ) into the lower end of the ceramic refractory body ( 10 ), e) the depression ( 20 ) comprises a first part ( 16 , 16 ′, 16 ″) of a detachable, form-fit connection to a gas connection element ( 50 ), f) a fluidic connection for a treating gas through at least one gas permeable section ( 30 ) of the ceramic refractory body ( 10 ) is provided between the depression ( 20 ) and the upper front surface.

2 . Gas purging element according to claim 1 , wherein the depression ( 20 ) is designed as one part ( 16 , 16 ′, 16 ″) of a connection from the group comprising: screw connection, bayonet connection, push-push quick connection, push-twist quick connection.

3 . Gas purging element according to claim 1 , wherein the depression ( 20 ), starting from the lower front surface ( 12 ), displays one of the following geometries: cylinder, cone, truncated cone, prism.

4 . Gas purging element according to claim 1 with a gas distribution chamber ( 32 ) being arranged in the ceramic refractory body ( 10 ), namely in the depression ( 20 ) or fluidly subsequent to the depression ( 20 ), towards the upper front surface.

5 . Gas purging element according to claim 1 with a break through protection device against an infiltrating metal melt being arranged in the ceramic refractory body ( 10 ), namely in the depression ( 20 ) or fluidly subsequent to the depression ( 20 ), towards the upper front surface.

6 . Gas purging element according to claim 1 , wherein the part ( 14 , 16 , 16 ′, 16 ″) of the depression ( 20 ) is in-situ formed within the refractory ceramic body ( 10 , 30 ).

7 . Gas purging element according to claim 1 , wherein the part ( 14 , 16 , 16 ′, 16 ″) of the depression ( 20 ) is a discrete part.

8 . Gas purging element according to claim 1 , wherein at least one gas-permeable section ( 30 ) of the ceramic refractory body ( 10 ) extends from an inner end of the depression ( 20 ).

9 . Gas purging element according to claim 8 , wherein the gas-permeable section ( 30 ) of the refractory ceramic body ( 10 , 30 ), which is adjacent to the inner end of the depression ( 20 ), partially features a metal cover ( 22 ).

10 . Gas purging element according to claim 1 , with an outer metal envelope ( 40 ), which covers the lower end of the ceramic refractory body ( 10 , 30 ) circumferentially, the lower front surface ( 12 ) of the ceramic refractory body ( 10 , 30 ), or both.

11 . Gas purging element according to claim 1 , without any elements protruding the tower front surface ( 12 ).

12 . Gas connection element ( 50 ) for a gas purging element according to any of claims 1 - 11 , with a first end and second end ( 52 ), wherein the second end ( 52 ) is designed, correspondingly to the first part ( 14 , 16 , 16 ′, 16 ″) of the depression ( 20 ) of the gas purging element ( 10 ), as a complementary second part ( 52 ) of said detachable, form-fit connection with the gas purging element ( 10 ).

13 . Gas connection element ( 50 ) according to claim 12 , wherein the first end is designed for a connection to a gas source.

Assignees

• Refractory Intellectual Property Gmbh & Co Kg

Inventors

• Trummer Bernd
• Klikovich Michael
• Kulp Roman
• Kneis Leopold

Classifications

• B22D1/005

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  Blowing through the bath (C21C5/35 takes precedence) · CPC title

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