| F | SK | MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
| F23 | KL | COMBUSTION APPARATUS; COMBUSTION PROCESSES |
| F23C | UKL | COMBUSTION APPARATUS USING FLUENT FUEL (combustion apparatus for solid fuel only F23B; burners F23D; constructional details of combustion chambers not otherwise provided for F23M; combustion chambers for generating combustion products of high pressure or high velocity F23R) |
| F23C 1/00 | HGR | Combustion apparatus for burning two or more kinds of fuel simultaneously or alternatively, at least one kind of fuel being fluent (F23C 10/00 takes precedence; with after-burning arrangements F23C 9/00; one kind being for ignition of the other F23Q) [1, 7] |
| F23C 1/02 | UGR1 | |
| F23C 1/04 | UGR1 | |
| F23C 1/06 | UGR1 | | . | lump or pulverulent fuel |
|
| F23C 1/08 | UGR1 | |
| F23C 1/10 | UGR1 | | . | liquid or pulverulent fuel |
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| F23C 1/12 | UGR1 | | . | gaseous or pulverulent fuel |
|
| F23C 3/00 | HGR | Combustion apparatus characterised by the shape of the combustion chamber (F23C 10/00 takes precedence) [1, 7] |
| F23C 5/00 | HGR | Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus (F23C 1/00 , F23C 10/00 , F23C 11/04 take precedence) [1, 7] |
| F23C 5/02 | UGR1 | | . | Structural details of mounting |
|
| F23C 5/06 | UGR2 | | . . | Provision for adjustment of burner position during operation |
|
| F23C 5/08 | UGR1 | |
| F23C 5/14 | UGR2 | | . . | to obtain a single flame of concentrated or substantially planar form, e.g. pencil or sheet flame (F23C 5/32 takes precedence) [3] |
|
| F23C 5/24 | UGR2 | | . . | to obtain a loop flame |
|
| F23C 5/28 | UGR2 | | . . | to obtain flames in opposing directions, e.g. impacting flames |
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| F23C 5/32 | UGR2 | | . . | to obtain rotating flames, i.e. flames moving helically or spirally [3] |
|
| F23C 6/00 | HGR | Combustion apparatus characterised by the combination of two or more combustion chambers (F23C 10/00 takes precedence) [3, 7] |
| F23C 6/02 | UGR1 | | . | in parallel arrangement [3] |
|
| F23C 6/04 | UGR1 | | . | in series connection (consuming smoke or fumes in separate combustion apparatus F23G 7/06) [3] |
|
| F23C 7/00 | HGR | Air-supply arrangements (F23C 10/00 takes precedence; in general F23L) [1, 7] |
| F23C 7/02 | UGR1 | | . | Disposition of air supply not passing through burner (to obtain a cyclonic tapering flame when burning pulverulent fuel F23C 5/32) |
|
| F23C 7/04 | UGR2 | | . . | to obtain maximum heat transfer to wall of combustion chamber |
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| F23C 7/06 | UGR2 | | . . | for heating the incoming air (arrangements of regenerators or recuperators F23L 15/00) |
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| F23C 7/08 | UGR3 | | . . . | indirectly by a secondary fluid other than the combustion products |
|
| F23C 9/00 | HGR | Combustion apparatus with arrangements for recycling or recirculating combustion products or flue gases (F23C 10/00 takes precedence) [1, 7] |
| F23C 9/06 | UGR1 | | . | for completing combustion [3] |
|
| F23C 9/08 | UGR1 | | . | for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber [3] |
|
| F23C 10/00 | HGR | Fluidised bed combustion apparatus [7] |
| F23C 10/02 | UGR1 | | . | with means specially adapted for achieving or promoting a circulating movement of particles within the bed or for a recirculation of particles entrained from the bed [7] |
|
| F23C 10/04 | UGR2 | | . . | the particles being circulated to a section, e.g. a heat-exchange section or a return duct, at least partially shielded from the combustion zone, before being reintroduced into the combustion zone [7] |
|
| F23C 10/06 | UGR3 | | . . . | the circulating movement being promoted by inducing differing degrees of fluidisation in different parts of the bed [7] |
|
| F23C 10/08 | UGR3 | | . . . | characterised by the arrangement of separation apparatus, e.g. cyclones, for separating particles from the flue gases [7] |
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| F23C 10/10 | UGR4 | | . . . . | the separation apparatus being located outside the combustion chamber [7] |
|
| F23C 10/12 | UGR2 | | . . | the particles being circulated exclusively within the combustion zone [7] |
|
| F23C 10/14 | UGR3 | | . . . | the circulating movement being promoted by inducing differing degrees of fluidisation in different parts of the bed [7] |
|
| F23C 10/16 | UGR1 | | . | specially adapted for operation at superatmospheric pressures, e.g. by the arrangement of the combustion chamber and its auxiliary systems inside a pressure vessel [7] |
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| F23C 10/18 | UGR1 | | . | Details; Accessories [7] |
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| F23C 10/20 | UGR2 | | . . | Inlets for fluidisation air, e.g. grids; Bottoms [7] |
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| F23C 10/22 | UGR2 | | . . | Fuel feeders specially adapted for fluidised bed combustion apparatus (F23C 10/26 takes precedence) [7] |
|
| F23C 10/24 | UGR2 | | . . | Devices for removal of material from the bed (devices for controlling the level of the bed or the amount of material in the bed F23C 10/30) [7] |
|
| F23C 10/26 | UGR3 | | . . . | combined with devices for partial reintroduction of material into the bed, e.g. after separation of agglomerated parts [7] |
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| F23C 10/28 | UGR2 | | . . | Control devices specially adapted for fluidised bed combustion apparatus [7] |
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| F23C 10/30 | UGR3 | | . . . | for controlling the level of the bed or the amount of material in the bed [7] |
|
| F23C 10/32 | UGR4 | | . . . . | by controlling the rate of recirculation of particles separated from the flue gases [7] |
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| F23C 11/00 | HGR | Combustion apparatus using fluent fuel, not provided for in groups F23C 1/00 to F23C 10/00 |
| F23C 11/02 | GEL | (transferred to F23C 10/00) |
| F23C 11/04 | UGR1 | | . | Combustion apparatus for producing resonant combustion (for generating combustion products of high pressure or high velocity F23R) [3] |
|
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| F23C 101/00 | HGR | Combustion in entrained fluidised beds, i.e. fluidised beds which have no distinct upper surface [7] |