Method and apparatus for reducing emissions in kiln exhaust
AssigneeContinental Cement Company
InventorsDoug Sisco, John White, Sam Waters
Life of this patent
Estimating the term…
Abstract
A method for reducing emissions of a kiln including a feed end, the method includes operating the kiln and spraying a slurry inside the kiln at least five feet from the feed end. Additionally, the kiln includes a substantially tubular body including a bore therethrough. The body has a clinker end, a heat portion, and a feed portion. The kiln further includes a plurality of chains mounted within the bore at the feed portion, a heat source in flow communication with the heat portion, and a spray nozzle mounted in the feed portion away from the feed end.
Claims36
A method for operating a kiln, said method comprising the steps of:
- operating the kiln including a feed end;
- spraying a slurry inside the kiln at least five feet from the feed end;
- and
- wetting a chain with the sprayed slurry.
A system for reducing emissions of a rotary kiln including a feed end, said system comprising:
- a spray nozzle positioned within the kiln at least five feet from the feed end;
- a pipe in flow communication with said spray nozzle and configured to supply said spray nozzle with a slurry;
- and
- a chain extending into the kiln, said spray nozzle configured to spray said chain.
A kiln comprising:
- a substantially tubular body comprising a feed end, a clinker end, a heat portion, a feed portion, and a bore extending from said feed end to said clinker end, said feed portion distanced from said feed end;
- a plurality of chains mounted within said bore at said feed portion;
- a heat source in flow communication with said heat portion;
- and
- a spray nozzle mounted in said bore at said feed portion.
Dependencies are inferred from the claim text.