Web dryer with fully integrated regenerative heat source and control thereof
First Claim
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1. A regenerative thermal oxidizer for processing a gas, comprising:
- a combustion zone;
a first heat exchange bed containing heat exchange media and in communication with said combustion zone;
a second heat exchange bed containing heat exchange media and in communication with said combustion zone;
at least one valve for alternating the flow of said gas between said first and second heat exchange beds; and
a bypass valve in communication with said combustion zone for regulating the amount of gas in said combustion zone that bypasses one of said first and second heat exchange column, said bypass valve comprising a damper cast of a nickel-based superalloy.
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Abstract
Integrated web dryer and regenerative heat exchanger, as well as a method of drying a web of material using the same. The apparatus and method of the present invention provides for the heating of air and the converting of VOCs to harmless gases in a fully integrated manner via the inclusion of a regenerative combustion device as an integral element of the drying apparatus.
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8 Claims
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1. A regenerative thermal oxidizer for processing a gas, comprising:
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a combustion zone;
a first heat exchange bed containing heat exchange media and in communication with said combustion zone;
a second heat exchange bed containing heat exchange media and in communication with said combustion zone;
at least one valve for alternating the flow of said gas between said first and second heat exchange beds; and
a bypass valve in communication with said combustion zone for regulating the amount of gas in said combustion zone that bypasses one of said first and second heat exchange column, said bypass valve comprising a damper cast of a nickel-based superalloy. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification