Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1992-11-23
1994-03-01
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
34 92, 34 74, F26B 2106
Patent
active
052896412
ABSTRACT:
A chemical vapor trap for selectively removing harmful corrosive contaminants, such as water and acetic acid vapors, from an evacuating vapor phase in a vacuum drying system is provided. The chemical vapor trap includes a condenser section effective to convert a high temperature incoming heated sample liquids and heated vapor phase into a liquid phase condensate and a relatively lower room temperature stripped vapor phase. Liquid condensate including water and acetic acid are trapped below a chemical blanket or sealing layer which prevents re-vaporization or boiling of removed corrosive volatile contaminants from the vapor phase entering the vacuum pumps, promoting improved pump performance and extend pump service life.
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Balamuta John
Fuksa Richard C.
Bennet Henry A.
Welch Vacuum Technology, Inc.
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