Gas injection system, furnace provided with such a system and use thereof
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United States of America Patent
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May 30, 2023
Grant Date -
Nov 11, 2021
app pub date -
Oct 24, 2019
filing date -
Oct 25, 2018
priority date (Note) -
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status (Latency Note)
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Abstract
A gas injection system includes a tubular wall 3 capable of being thermally stressed and having a proximal extremity and a distal extremity 11, at the distal extremity, at least one extremity opening through which at least one gas is projected. A cooling is system located in the tubular wall including axial channels 12 which extend axially towards the distal extremity and in which a cooling fluid is circulated. Connecting channels 13 circumferentially join the axial channels to each other at the distal extremity of the tubular wall. The connecting channels, which circumferentially join the axial channels at the distal extremity of the tubular wall, have a rounded shape in the direction of the distal extremity.
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