Method and apparatus for cooling furnace
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United States of America Patent
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-
May 29, 2001
Grant Date -
N/A
app pub date -
Feb 26, 1999
filing date -
Jun 30, 1997
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for cooling the heating furnace during the dormant stage of the heating furnace; said method surely and sufficiently shortens the cooling time of the heating furnace irrespective of seasons such as summer or winter, and yet, without damaging the inner furnace refractories. Furthermore, the method is applicable to ceramic fiber furnaces. The method comprises: inserting, from an extracting port to the inside of the heating furnace, a plurality of lances being arranged along the width direction of the extracting port of said furnace while taking a predetermined distance between each other; and spraying, from a plurality of spray nozzles provided on the lances, a coolant in the form of a mist against a scale deposited inside the heating furnace. Optionally, a cooling fan is provided to forcibly supply a cooling air into the heating furnace.
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