Apparatus for drying and heating coal to be charged to coke oven
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United States of America Patent
Stats
-
Feb 24, 1998
Grant Date -
N/A
app pub date -
Oct 5, 1995
filing date -
Oct 12, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a sloped tower type airborne drying and heating apparatus, a bulge or a neck is provided at at least one location in the inner wall of a sloped pipe for the purpose of reducing in a range of 3 to 50% the cross-section of a flow path in the pipe. Coal charged into the pipe is smoothly conveyed through the sloped pipe without dwelling in the lower portion of the pipe cross-section and thus effectively dried and heated.
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