Heated seal air for valve and regenerative thermal oxidizer containing same
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United States of America Patent
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Feb 5, 2008
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N/A
app pub date -
May 7, 2002
filing date -
May 7, 2002
priority date (Note) -
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Abstract
Valve with heated sealing gas suitable for use in a regenerative thermal oxidizer, and oxidizer including the switching valve. The valve of the present invention exhibits excellent sealing characteristics and minimizes wear. In a preferred embodiment, the valve utilizes hot gas from the regenerative process to heat gas for sealing the valve, and sealing air flows through a heat exchanger that is positioned to be in contact with hot exhaust gas from the regenerative process.
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