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US 11,118,311 B2Granted
Heat recovery from vacuum blowers on a paper machine
AssigneeStructured I, LLC
InventorsJames E. Sealey, II, Byrd Tyler Miller, IV
Life of this patent
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Abstract
A papermaking process including the steps of forming a wet paper web on a papermaking machine, pulling vacuum through the web to remove water from the web and thereby generate discharge air, and diverting at least a portion of the discharge air through a control loop to a hot air drying system within the papermaking process to aid in drying the web, wherein the vacuum is generated by centrifugal blowers.
Claims9
A papermaking process comprising:
- forming a wet paper web on a papermaking machine;
- pulling vacuum through the web at at least one point along the papermaking process to remove water from the web and thereby generate discharge air;
- and
- diverting at least a portion of the discharge air through a control loop to a hot air drying system disposed at a second point within the papermaking process to aid in drying the web, wherein the vacuum is generated by centrifugal blowers.
1 more element
Dependencies are inferred from the claim text.