WebCPC CPC COOPERATIVE PATENT CLASSIFICATION
F23G CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
NOTE - This subclass covers also the burning of low-grade fuel of solid, liquid, or gaseous nature.F23G 1/00 Furnaces for cremation of human or animal carcasses
F23G 5/00 Incineration of waste (of specific waste F23G 7/00); Incinerator constructions; Details, accessories or control therefor
F23G 5/002 ・{characterised by their grates (F23G 5/05 takes precedence)}
F23G 5/004 ・・{with endless travelling grates}
F23G 5/006 ・{General arrangement of incineration plant, e.g. flow sheets}
F23G 5/008 ・{adapted for burning two or more kinds, e.g. liquid and solid, of waste being fed through separate inlets}
F23G 5/02 ・with pretreatment
F23G 5/027 ・・pyrolising or gasifying stage (pyrolisation of sludge C02F 11/00; destructive distillation of carbonaceous materials C10B 53/00)
F23G 5/0273 ・・・{using indirect heating}
F23G 5/0276 ・・・{using direct heating}
F23G 5/033 ・・comminuting or crushing
F23G 5/04 ・・drying
F23G 5/05 ・・・using drying grates
F23G 5/08 ・having supplementary heating
F23G 5/085 ・・{High-temperature heating means, e.g. plasma, for partly melting the waste}
F23G 5/10 ・・electric
F23G 5/12 ・・using gaseous or liquid fuel (F23G 5/14 takes precedence)
F23G 5/14 ・・including secondary combustion
F23G 5/16 ・・・in a separate combustion chamber
F23G 5/165 ・・・・{arranged at a different level}
F23G 5/18 ・・・in a stack
F23G 5/20 ・having rotating or oscillating drums
F23G 5/22 ・・the drums being conically shaped
F23G 5/24 ・having a vertical, substantially cylindrical, combustion chamber
F23G 5/245 ・・{with perforated bottom or grate}
F23G 5/26 ・・having rotating bottom
F23G 5/28 ・・having raking arms
F23G 5/30 ・having a fluidised bed
F23G 5/32 ・the waste being subjected to a whirling movement, e.g. cyclonic incinerators
F23G 5/34 ・the waste being burnt in a pit or arranged in a heap for combustion
F23G 5/36 ・having a conical combustion chamber, e.g. "teepee" incinerators (F23G 5/22 takes precedence)
F23G 5/38 ・Multi-hearth arrangements
F23G 5/40 ・Portable or mobile incinerators
F23G 5/42 ・・of the basket type
F23G 5/44 ・Details; Accessories
F23G 5/442 ・・{Waste feed arrangements}
F23G 5/444 ・・・{for solid waste (F23G 5/448 takes precedence)}
F23G 5/446 ・・・{for liquid waste (F23G 5/448 takes precedence)}
F23G 5/448 ・・・{in which the waste is fed in containers or the like}
F23G 5/46 ・・Recuperation of heat
F23G 5/48 ・・Preventing corrosion
F23G 5/50 ・Control or safety arrangements
F23G 7/00 Incinerators or other apparatus for consuming industrial waste, e.g. chemicals (incinerator closets A47K 11/02; oxidation of sludge C02F 11/06; burners in general, burner details F23D; incinerating radioactive waste G21F 9/00)
F23G 7/001 ・{for sludges or waste products from water treatment installations (F23G 5/008 takes precedence)}
F23G 7/003 ・{for used articles}
F23G 7/005 ・・{cars, vehicles}
F23G 7/006 ・・{wires, cables (production and refining of metals C22B, e.g. from scrap to produce non-ferrous metals C22B 7/00; salvaging material from cables H01B 15/003)}
F23G 7/008 ・{for liquid waste (waste oil F23G 7/05, waste liquors F23G 7/04, sludges F23G 7/001)}
F23G 7/02 ・of bagasse, megasse or the like
F23G 7/04 ・of waste liquors, e.g. sulfite liquors
F23G 7/05 ・of waste oils
F23G 7/06 ・of waste gases or noxious gases, e.g. exhaust gases (exhaust apparatus for engines with means for rendering the exhaust innocuous, e.g. by thermal or catalytic conversion, F01N 3/08; combustion of uncombusted material from primary combustion within apparatus for combustion of solid or fluent fuel F23B, {of non combusted material from primary combustion of solid fuels F23B 5/00; of gases produced by primary combustion of solid fuels F23B 90/04}, F23C)
F23G 7/061 ・・{with supplementary heating}
F23G 7/063 ・・・{electric heating}
F23G 7/065 ・・・{using gaseous or liquid fuel}
F23G 7/066 ・・・・{preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator}
F23G 7/068 ・・・・・{using regenerative heat recovery means}
F23G 7/07 ・・in which combustion takes place in the presence of catalytic material
WARNING - This subgroup [IPC8] introduced in January 2006 is not complete. Documents from IPC7-based groups are in the process of being reorganised to this new groupF23G 7/08 ・・using flares, e.g. in stacks
F23G 7/085 ・・・{in stacks}
F23G 7/10 ・of field or garden waste {or biomasses}
F23G 7/105 ・・{of wood waste}
F23G 7/12 ・of plastics, e.g. rubber
F23G 7/14 ・of contaminated soil, e.g. by oil
F23G 2200/00 Waste incineration
F23G 2201/00 Pretreatment
F23G 2201/10 ・Drying by heat
F23G 2201/101 ・・using indirect heat transfer
F23G 2201/20 ・Dewatering by mechanical means
F23G 2201/30 ・Pyrolysing
F23G 2201/301 ・・Treating pyrogases
F23G 2201/302 ・・Treating pyrosolids
F23G 2201/303 ・・Burning pyrogases
F23G 2201/304 ・・Burning pyrosolids
F23G 2201/40 ・Gasification
F23G 2201/50 ・Devolatilising; from soil, objects
F23G 2201/60 ・Separating
F23G 2201/601 ・・different calorific values
F23G 2201/602 ・・different sizes
F23G 2201/603 ・・recyclible material
F23G 2201/70 ・Blending
F23G 2201/701 ・・with additives
F23G 2201/702 ・・with other waste
F23G 2201/80 ・Shredding
F23G 2201/90 ・Cooling
F23G 2202/00 Combustion
F23G 2202/10 ・in two or more stages
F23G 2202/101 ・・with controlled oxidant supply
F23G 2202/102 ・・with supplementary heating
F23G 2202/103 ・・in separate chambers
F23G 2202/104 ・・with ash melting stage
F23G 2202/105 ・・with waste supply in stages
F23G 2202/106 ・・with recirculation of unburned solid or gaseous matter into combustion chamber
F23G 2202/20 ・to temperatures melting waste
F23G 2202/30 ・in a pressurised chamber
F23G 2202/40 ・in a pulsed combustion chamber
F23G 2202/50 ・in a matrix bed combustion chamber
F23G 2202/60 ・in a catalytic combustion chamber
F23G 2202/70 ・with application of specific energy
F23G 2202/701 ・・Electrical fields
F23G 2202/703 ・・Acoustic energy
F23G 2203/00 Furnace arrangements
F23G 2203/10 ・Stoker grate furnace
F23G 2203/101 ・with stepped or inclined grate
F23G 2203/103 ・with roller grate
F23G 2203/105 ・with endless chain or travelling grate
F23G 2203/107 ・with vibrating grate
F23G 2203/20 ・Rotary drum furnace
F23G 2203/201 ・・using oscillating movement
F23G 2203/202 ・・rotating around substantially vertical axis
F23G 2203/203 ・・with conically shaped drum
F23G 2203/204 ・・having non-circular inner cross-section
F23G 2203/205 ・・with water-cooled wall
F23G 2203/206 ・・with charging ports in the sidewall
F23G 2203/207 ・・with air supply ports in the sidewall
F23G 2203/208 ・・with interior agitating members
F23G 2203/209 ・・with variable inclination of rotation axis
F23G 2203/21 ・・with variable speed of rotation
F23G 2203/211 ・・Arrangement of a plurality of drums
F23G 2203/212 ・・Sealing arrangements between rotary and stationnary parts
F23G 2203/30 ・Cyclonic combustion furnace
F23G 2203/40 ・Stationary bed furnace
F23G 2203/401 ・・with support for a grate or perforated plate
F23G 2203/403 ・・with substantial cylindrical combustion chamber
F23G 2203/50 ・Fluidised bed furnace
F23G 2203/501 ・・with external recirculation of entrained bed material
F23G 2203/502 ・・with recirculation of bed material inside combustion chamber
F23G 2203/503 ・・with two or more fluidised beds
F23G 2203/504 ・・with essentially horizontal flow of bed material
F23G 2203/505 ・・with fluidised bed rotated as a whole
F23G 2203/60 ・Mobile furnace
F23G 2203/601 ・・carried by a vehicle
F23G 2203/70 ・Modular furnace
F23G 2203/80 ・Furnaces with other means for moving the waste through the combustion zone
F23G 2203/801 ・・using conveyors
F23G 2203/8013 ・・・Screw conveyors
F23G 2203/8016 ・・・Belt conveyors
F23G 2203/803 ・・Rams or pushers
F23G 2203/805 ・・using a rotating hearth
F23G 2204/00 Supplementary heating arrangements
F23G 2204/10 ・using auxiliary fuel
F23G 2204/101 ・・solid fuel
F23G 2204/103 ・・gaseous or liquid fuel
F23G 2204/20 ・using electric energy
F23G 2204/201 ・・Plasma
F23G 2204/202 ・・Laser
F23G 2204/203 ・・Microwave
F23G 2204/204 ・・Induction
F23G 2205/00 Waste feed arrangements
F23G 2205/10 ・using ram or pusher
F23G 2205/101 ・・sequentially operated
F23G 2205/12 ・using conveyors
F23G 2205/121 ・・Screw conveyor
F23G 2205/122 ・・Belt conveyor
F23G 2205/123 ・・Roller conveyor
F23G 2205/124 ・・Chain conveyor
F23G 2205/125 ・・Vibrating conveyor
F23G 2205/14 ・using hopper or bin
F23G 2205/16 ・using chute
F23G 2205/18 ・using airlock systems
F23G 2205/20 ・using airblast or pneumatic feeding
F23G 2206/00 Waste heat recuperation
F23G 2206/10 ・reintroducing the heat in the same process, e.g. for predrying
F23G 2206/20 ・using the heat in association with another installation
F23G 2206/201 ・・with an industrial furnace
F23G 2206/202 ・・with an internal combustion engine
F23G 2206/203 ・・with a power/heat generating installation
F23G 2207/00 Control
F23G 2207/10 ・Arrangement of sensing devices
F23G 2207/101 ・・for temperature
F23G 2207/1015 ・・・Heat pattern monitoring of flames
F23G 2207/102 ・・for pressure
F23G 2207/103 ・・for oxygen
F23G 2207/104 ・・for CO or CO2
F23G 2207/105 ・・for NOx
F23G 2207/106 ・・for SOx
F23G 2207/107 ・・for halogen concentration
F23G 2207/108 ・・for hydrocarbon concentration
F23G 2207/112 ・・for waste supply flowrate
F23G 2207/113 ・・for oxidant supply flowrate
F23G 2207/114 ・・for combustion bed level
F23G 2207/20 ・Waste supply
F23G 2207/30 ・Oxidant supply
F23G 2207/40 ・Supplementary heat supply
F23G 2207/50 ・Cooling fluid supply
F23G 2207/60 ・Additives supply
F23G 2208/00 Safety aspects
F23G 2208/10 ・Preventing or abating fire or explosion, e.g. by purging
F23G 2209/00 Specific waste
F23G 2209/10 ・Liquid waste
F23G 2209/101 ・・Waste liquor
F23G 2209/102 ・・Waste oil
F23G 2209/103 ・・Bagasse, megasse
F23G 2209/12 ・Sludge, slurries or mixtures of liquids
F23G 2209/14 ・Gaseous waste or fumes
F23G 2209/141 ・・Explosive gases
F23G 2209/142 ・・Halogen gases, e.g. silane
F23G 2209/16 ・Warfare materials, e.g. ammunition
F23G 2209/18 ・Radioactive materials
F23G 2209/20 ・Medical materials
F23G 2209/22 ・Waste papers
F23G 2209/24 ・Contaminated soil; foundry sand
F23G 2209/26 ・Biowaste
F23G 2209/261 ・・Woodwaste
F23G 2209/262 ・・Agricultural waste
F23G 2209/28 ・Plastics or rubber like materials
F23G 2209/281 ・・Tyres
F23G 2209/30 ・Solid combustion residus, e.g. bottom or flyash
F23G 2900/00 Special features of, or arrangements for incinerators
F23G 2900/00001 ・Exhaust gas recirculation (using the heat thereof F23G 2206/10)
F23G 2900/50001 ・Combination of two or more furnaces
F23G 2900/50002 ・Burning with downwards directed draft through the waste mass
F23G 2900/50003 ・Waste oxidation, pyrolysis or gasification in water under supercritical conditions
F23G 2900/50004 ・Furnace with inclined hearth
F23G 2900/50005 ・Waste in combustion chamber supported on bed made of special materials
F23G 2900/50006 ・Combustion chamber walls reflecting radiant energy within the chamber
F23G 2900/50007 ・Co-combustion of two or more kinds of waste, separately fed into the furnace
F23G 2900/50008 ・Combustion of waste suspended or lifted by upward gas flows
F23G 2900/50009 ・Furnace with progressive waste movements in vertical or steeply inclined direction
F23G 2900/50201 ・Waste pyrolysis, gasification or cracking by indirect heat transfer
F23G 2900/50202 ・Waste pyrolysis, gasification or cracking in presence of catalysts
F23G 2900/50203 ・Waste pyrolysis, gasification or cracking in a mechanically fluidised bed, e.g. obtained by a centrifugal force
F23G 2900/50204 ・Waste pre-treatment by pyrolysis, gasification or cracking
F23G 2900/50205 ・Waste pre-treatment by pyrolysis, gasification or cracking followed by condensation of gas into combustible oil or fat
F23G 2900/50206 ・Pelletising waste before combustion
F23G 2900/50207 ・Thermoforming of plastic waste materials before combustion
F23G 2900/50208 ・Biologic treatment before burning, e.g. biogas generation
F23G 2900/50209 ・Compacting waste before burning
F23G 2900/50211 ・Evaporating, e.g. liquid waste before burning
F23G 2900/50212 ・Extruding waste before combustion
F23G 2900/50213 ・Preheating processes other than drying or pyrolysis
F23G 2900/50214 ・Separating non combustible matters
F23G 2900/50401 ・Drying waste by mixing with drying chemicals, e.g. with CaO
F23G 2900/508 ・Providing additional energy for combustion, e.g. by using supplementary heating
F23G 2900/50801 ・using the heat from externally heated bodies, e.g. steel balls
F23G 2900/50802 ・・using solid propellant
F23G 2900/50803 ・・using solar energy
F23G 2900/50804 ・・using thermit or other compositions of metal oxides as auxiliary fuel
F23G 2900/51001 ・・using arc discharge electrodes to provide heat
F23G 2900/52001 ・Rotary drums with co-current flows of waste and gas
F23G 2900/52002 ・Rotary drum furnaces with counter-current flows of waste and gas
F23G 2900/52003 ・Rotary drum furnaces with foramenous drum walls, e.g. grate drums
F23G 2900/53801 ・Multi-hearth furnaces with vertical axis
F23G 2900/54001 ・Hearths or supports movable into and from the furnace, e.g. by a conveyor
F23G 2900/54401 ・Feeding waste in containers, bags or barrels
F23G 2900/54402 ・Injecting fluid waste into incinerator
F23G 2900/54601 ・using waste heat for desalinating sea water
F23G 2900/55 ・Controlling; Monitoring or measuring
F23G 2900/55001 ・・Controlling combustion air preheating
F23G 2900/55002 ・・Sensing exhaust gas opacity
F23G 2900/55003 ・・Sensing for exhaust gas properties, e.g. O2 content
F23G 2900/55004 ・・Sensing exhaust gas radioactivity
F23G 2900/55005 ・・Sensing ash or slag properties
F23G 2900/55006 ・・Measuring material flow rates
F23G 2900/55007 ・・Sensors arranged in waste loading zone, e.g. feed hopper level
F23G 2900/55008 ・・Measuring produced steam flow rate
F23G 2900/55009 ・・Controlling stoker grate speed or vibrations for waste movement
F23G 2900/55011 ・・Detecting the properties of waste to be incinerated, e.g. heating value, density
F23G 2900/70 ・Incinerating particular products or waste
F23G 2900/70001 ・・Air bags or seat belt pre-tensioners
F23G 2900/70002 ・・Animal fat, e.g. lard, tallow, stearin
F23G 2900/70003 ・・Incinerating litter from animals, e.g. poultry litter
F23G 2900/70004 ・・Incinerating contaminated animal meals
F23G 2900/70005 ・・Incinerating used asbestos
F23G 2900/70006 ・・Incinerating used automobiles
F23G 2900/70007 ・・Incinerating or pyrolysing used batteries
F23G 2900/70008 ・・Incinerating remains of building materials after demolishing, e.g. fibreglass asphalt shingles
F23G 2900/70009 ・・Incinerating human or animal corpses or remains
F23G 2900/7001 ・・Air bags or seat belt pre-tensioners
F23G 2900/70011 ・・Incinerating PCB-materials
F23G 2900/70012 ・・Incinerating rice or grain husks, hulls or bran
F23G 2900/70013 ・・Incinerating oil shales
F23G 2900/7002 ・・Animal fat, e.g. lard, tallow, stearin
F23G 2900/7003 ・・Incinerating litter from animals, e.g. poultry litter
F23G 2900/7004 ・・Incinerating contaminated animal meals
F23G 2900/7005 ・・Incinerating used asbestos
F23G 2900/7006 ・・Incinerating used automobiles
F23G 2900/7007 ・・Incinerating or pyrolysing used batteries
F23G 2900/7008 ・・Incinerating remains of building materials after demolishing, e.g. fibreglass asphalt shingles
F23G 2900/7009 ・・Incinerating human or animal corpses or remains
F23G 2900/7011 ・・Incinerating PCB-materials
F23G 2900/7012 ・・Incinerating rice or grain husks, hulls or bran
F23G 2900/7013 ・・Incinerating oil shales
F23G 2900/70401 ・・Incinerating drainage water from waste pits of incinerators
F23G 2900/70601 ・Temporary storage means, e.g. buffers for accumulating fumes or gases, between treatment stages
--- Edited by Muguruma Professional Engineer Office(C), 2013 ---