Process and apparatus for calcining limestone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 13, 1985
Grant Date -
N/A
app pub date -
Jul 12, 1983
filing date -
Jul 12, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a parallel flow regenerative shaft furnace having at least two furnace shafts and a transfer duct interconnecting the furnace shafts, limestone and similar mineral raw materials are calcined by operating the furnace shafts alternately, one as a calcining or parallel flow shaft and the other as a counterflow shaft, with burnt lime being discharged uncooled at the lower end of a calcining zone of the particular calcining shaft.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully