Hybrid boiler-dryer and method
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Apr 13, 2021
Grant Date -
N/A
app pub date -
Mar 22, 2019
filing date -
Mar 22, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of operating a furnace having a firing system is disclosed. The method includes providing a solid fuel to a sieve; separating the fuel into a portion and a second portion; providing a first portion of a flue gas to a first fuel dryer comprising a first duct; providing the first portion of fuel to the first duct, and drying the first portion of fuel therein; conveying the first portion of fuel through the first duct to the furnace; burning the first portion of fuel with firing system; conveying the second portion of fuel and a second portion of the flue gas to a second fuel dryer in a lower portion of the furnace, providing the second portion of fuel to a mill; pulverizing the second portion of fuel with the mill; conveying the second portion of fuel to the furnace; and burning the second portion of fuel.
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