Large-size circulating fluidized bed boiler, air distributor and air distributor assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 26, 2017
Grant Date -
Jul 2, 2015
app pub date -
Dec 24, 2013
filing date -
Dec 31, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides a circulating fluidized bed boiler, comprising: furnace side walls; a ceiling; an air distribution plate provided at a bottom of a furnace; and at least one air distribution cone provided on the air distribution plate, wherein each air distribution cone extends upwards from the air distribution plate into an interior of the furnace and has a shape gradually tapered in an extending direction, cone side walls which form the air distribution cone are provided with secondary air ports, the cone side walls are separated from the furnace side walls, and a furnace combustion space is formed and surrounded by the ceiling, the furnace side walls, the air distribution plate, and the cone side walls. The present invention further relates to an air distributor for a circulating fluidized bed boiler, the air distributor being provided on an air distribution plate of the boiler, wherein the air distributor is in a form of an air distribution cone, which extends upwards from the air distribution plate into an interior of a furnace to form a shape gradually tapered in an extending direction, and secondary air ports are formed in air distribution cone side walls forming the air distribution cone. The present invention also relates to an air distributor assembly for a circulating fluidized bed boiler.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- F22B Class
- 178 Applications Filed
- 155 Patents Issued To-Date
- 87.08 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F22B Class
- 27.27 % this patent is cited more than
- 8 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 26, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 26, 2029 |
