Extraction device for a tuyere part

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United States of America Patent

PATENT NO 11021764
APP PUB NO 20200385826A1
SERIAL NO

16639997

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Abstract

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Extraction device for extracting a tuyere part, in particular a tuyere or a tuyere cooler, from a shaft furnace, the device including a supporting frame with positioning elements configured to position the device against a furnace wall, a carriage supported by the supporting frame and movable in a direction radial to the furnace wall, an extraction rod having a first end attached to the carriage and a second end for connecting to the tuyere part, where the first end of the extraction rod had a stopper, the device further including a percussion system acting on the stopper of the extraction rod in a direction away from the furnace wall, and a pretensioning mechanism on the supporting frame configured to apply a load to the carriage, in a direction away from the furnace wall.

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Patent Owner(s)

Patent OwnerAddress
PAUL WURTH S A32 RUE D'ALSACE 1122 LUXEMBOURG 1122

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Thinnes, Claude Kehlen, LU 9 12

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