METHOD AND SYSTEM OF TREATING A CARBON STEEL STRIP, ESPECIALLY FOR A PICKLING TREATMENT
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United States of America Patent
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Issued Date -
Sep 21, 2017
app pub date -
Dec 2, 2015
filing date -
Dec 2, 2014
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Abstract
A method, for treating a steel strip with a treatment liquid in a station having at least a spray section, an immersion section, and a common collector for treatment liquid, the steel strip having carbon steel with top and bottom surfaces and being a continuous steel strip, oriented substantially horizontally, both in longitudinal and transverse directions, involves transporting the steel strip continuously through the station in a transport direction parallel to the steel strip's longitudinal direction; spraying treatment liquid with spray nozzles onto the steel strip's top and bottom surfaces while in the spray section of the station; immersing the steel strip in the treatment liquid while in the immersion section of the station; and, while treating the steel strip, continuously pumping the treatment liquid out of the common collector and through both the spray section and the immersion section of the station.
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