ClassID:

155987

F23C9/003 - CPC Classification

Classification description:

Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for pulverulent fuel

Recent Application in this class:
#1
20260110429
2026-04-23

Burner, System, and Method for Hydrogen-Enhanced Pulverized Coal Ignition

#2
20250207772
2025-06-26

MODULAR PRESSURIZED COAL COMBUSTION PLANT (MCCP) FOR FLEXIBLE GENERATION

#3
20240019118
2024-01-18

Burner, System, and Method for Hydrogen-Enhanced Pulverized Coal Ignition

#4
20210356120
2021-11-18

Device and method for chemical looping combustion, having a particle separator provided with an inclined intake duct

#5
20210025585
2021-01-28

Modular pressurized coal combustion (MPCC) for flexible generation

#6
20200363058
2020-11-19

Solid fuel burner and flame stabilizer for solid fuel burner

#7
20170284668
2017-10-05

Method and apparatus for controlling inlet temperature of dedusting apparatus in oxygen combustion boiler equipment

#8
20170082283
2017-03-23

FLAMELESS OXIDATION DEVICE, APPARATUS AND METHOD

#9
20150377484
2015-12-31

Oxy-combustor operable with supercritical fluid

#10
20150167971
2015-06-18

Burner with oxygen and fuel mixing apparatus

#11
20150083032
2015-03-26

Combustion System

#12
20150079526
2015-03-19

Oxy-fired boiler unit and method of operating the same

#13
20140373763
2014-12-25

Burner with flame stabilizing/center air jet device for low quality fuel

#14
20140238281
2014-08-28

Pulverized fuel supply method for oxyfuel combustion boiler, and oxyfuel combustion boiler system

#15
20140219895
2014-08-07

Integrated chemical looping air separation in large-scale oxy-fuel plants

#16
20140212825
2014-07-31

Oxy-combustion coupled firing and recirculation system

#17
20140202365
2014-07-24

COMBUSTION APPARATUS WITH DIRECT FIRING SYSTEM

#18
20130291772
2013-11-07

COMBUSTION SYSTEM AND METHOD FOR OPERATING SAME

#19
20130273481
2013-10-17

Boiler and operating method of same

#20
20130125798
2013-05-23

Burner with oxygen and fuel mixing apparatus

#21
20130055937
2013-03-07

FLUE GAS DESULFURIZATION DEVICE, COMBUSTION SYSTEM AND COMBUSTION METHOD

#22
20130048916
2013-02-28

Method and device for carbon injection and recirculation of synthesis gas when producing synthesis gas

#23
20120312207
2012-12-13

Device and method for efficient mixing of two streams

#24
20120304905
2012-12-06

Solid fuel and oxygen combustion with low NOx and efficient burnout

#25
20120272626
2012-11-01

Exhaust gas treatment device for an oxygen combustion system

#26
20120244479
2012-09-27

Combustion System Using Recycled Flue Gas to Boost Overfire Air

#27
20120227644
2012-09-13

Oxygen mixer for oxygen combustion boiler

#28
20120174838
2012-07-12

Combustion Apparatus

#29
20120143382
2012-06-07

Optimized integrated controls for oxy-fuel combustion power plant

#30
20120129112
2012-05-24

Method Of And A System For Combusting Fuel In An Oxyfuel Combustion Boiler

#31
20120125240
2012-05-24

SYSTEM AND METHOD OF MANAGING ENERGY UTILIZED IN A FLUE GAS PROCESSING SYSTEM

#32
20120024206
2012-02-02

METHOD FOR REDUCING NITROGEN OXIDE EMISSIONS IN OXYFUEL COMBUSTION

#33
20120006668
2012-01-12

Coking plant with flue gas recirculation

#34
20110290163
2011-12-01

HYBRID OXY-FUEL BOILER SYSTEM

#35
20110146546
2011-06-23

METHOD FOR BURNING REFINING RESIDUES

#36
20110132243
2011-06-09

Method and apparatus of controlling exhaust gas in oxyfuel combustion boiler

#37
20110126742
2011-06-02

Method and apparatus of controlling flow rate of primary recirculating exhaust gas in oxyfuel combustion boiler

#38
20110107944
2011-05-12

Method and apparatus of controlling exhaust gas in oxyfuel combustion boiler

#39
20110094105
2011-04-28

Retrofit method for pulverized coal boiler

#40
20110076216
2011-03-31

Carbon dioxide capture power generation system

#41
20110073051
2011-03-31

Oxyfuel combustion boiler plant and operation method of oxyfuel combustion boiler plant

#42
20110073020
2011-03-31

Oxyfuel combustion boiler plant

#43
20110014578
2011-01-20

Coal-fired power station and method for operating the coal-fired power station

#44
20110011315
2011-01-20

Oxyfuel Boiler and Control Method for Oxyfuel Boiler

#45
20100236500
2010-09-23

Method for burning coal using oxygen in a recycled flue gas stream for carbon dioxide capture

#46
20100223926
2010-09-09

Dust coal boiler, dust coal combustion method, dust coal fuel thermal power generation system, and waste gas purification system for dust coal boiler

#47
20100212555
2010-08-26

Oxyfuel combustion boiler plant and operating method for the same

#48
20100190118
2010-07-29

METHOD FOR THE COMBUSTION OF FUEL

#49
20100107940
2010-05-06

Oxyfuel Boiler System and Method of Controlling the Same

#50
20100101462
2010-04-29

Oxyfuel boiler and a method of controlling the same

#51
20100081099
2010-04-01

Transient operation of oxy/fuel combustion system

#52
20100077947
2010-04-01

METHOD OF COMBUSTING SULFUR-CONTAINING FUEL

#53
20100077946
2010-04-01

Process temperature control in oxy/fuel combustion system

#54
20100077945
2010-04-01

CONVECTIVE SECTION COMBUSTION

#55
20100077944
2010-04-01

Combustion system with precombustor

#56
20100077941
2010-04-01

Oxy/fuel combustion system with minimized flue gas recirculation

#57
20090320725
2009-12-31

FURNACE SYSTEM WITH INTERNAL FLUE GAS RECIRCULATION

#58
20090293782
2009-12-03

METHOD OF AND SYSTEM FOR GENERATING POWER BY OXYFUEL COMBUSTION

#59
20090280442
2009-11-12

Device And Method Of Combusting Solid Fuel With Oxygen

#60
20090277363
2009-11-12

Oxyfuel Boiler System and Method of Retrofit of Air Fired Boiler to Oxyfuel Boiler

#61
20090257941
2009-10-15

Coal/coke/heavy residual oil boiler with sulfur and carbon dioxide capture and recovery

#62
20090255450
2009-10-15

Oxy-combustion coal fired boiler and method of transitioning between air and oxygen firing

#63
20090158978
2009-06-25

METHOD OF CONTROLLING A PROCESS OF GENERATING POWER BY OXYFUEL COMBUSTION

#64
20090025390
2009-01-29

Low CO2 Thermal Powerplant

#65
20090007827
2009-01-08

System and Method for Minimizing Nitrogen Oxide (NOx) Emissions in Cyclone Combustors

#66
20080271491
2008-11-06

Solid fuel combustion for industrial melting with a slagging combustor

#67
20080264310
2008-10-30

Combustion Method and System

#68
20080160464
2008-07-03

Device and method for efficient mixing of two streams

#69
20070003889
2007-01-04

Burner with center air jet

#70
20060201405
2006-09-14

Cyclone furnace for oxygen fired boilers with flue gas recirculation

#71
20050039653
2005-02-24

Oxygen-enriched co-firing of secondary fuels in slagging cyclone combustors