Process and device for cleaning the waste air of systems for the solidification of melts
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United States of America Patent
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-
Oct 29, 1996
Grant Date -
N/A
app pub date -
Mar 31, 1995
filing date -
Jul 7, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A melt is converted into pieces by being converted to individual quantities that are dropped onto a cooling surface. Disposed above the cooling surface is a hood having a suction outlet for conducting waste air to a cleaner. Disposed in the hood upstream of the suction outlet is an arrangement of surfaces defining a serpentine flow path for the waste air so that a vaporous component of the waste air crystallizes on the surfaces. The surfaces are formed by plates mounted on a common transport carrier which periodically moves the plates against a scraper for scraping off the crystallized material. Alternately, the surfaces can be defined by endless belts which move against scrapers.
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