Fluidized Bed Combustion TRIZ Cases

Inferential sensing and feedback control stabilize bed fuel inventory, enabling faster thermal power adjustments without oscillatory operation.

A rotary bottom ash regeneration system uses sensors and spray nozzles to reactivate unutilized calcium oxide in ash.

An inclined intake duct distributes particles homogeneously to resolve separation efficiency and device complexity contradictions.

A water-cooled column with a variable cross-section design accommodates secondary air tubes and maintenance access in circulating fluidized bed boilers.

Segmented combustion chambers with adiabatic cooling via fluidized material circulation.

A bottom product oxidizer introduces oxidation agents through porous ceramic elements to enhance carbon conversion in hydrothermal water gasifiers.

Inclined side wall partitions reaction chamber from heat exchange unit to transfer mass forces directly, eliminating external support structures.

Nested reheater and superheater tubes reduce thermo-mechanical stress in circulating fluidized bed systems.

Immersion of catalyst tubes in a dense fluidized bed provides uniform heating for natural gas reforming, eliminating the need for additional fuel.

U-shaped heat transfer surfaces extend from the roof and side walls to increase heating area while preventing mechanical failures from thermal expansion.

Mechanical classifier and magnetic separator recover deteriorated ilmenite particles from boiler ash, reducing natural resource consumption.

Intermediate beams and lateral guides support chemical feed distributors in fluidized bed vessels.

A pressurized fluidized bed combustion interface uses a variable frequency drive motor and flue gas expander to condition emissions for carbon capture.

Irregular second air outlet openings disperse high-velocity streams to resolve the contradiction between injection intensity and bed homogeneity.

Integrated chemical looping combustion system couples air reactor heat to drive endothermic carbon dioxide reduction, eliminating external energy supply needs.

Segmented lances distribute heating oil injection across the bed volume, preventing hotspots and catalyst deactivation during light olefin production.

Offset partitions isolate high-temperature post-combustion from the fluidized bed, preventing low-melting ash sintering and wall deposits.

Fluidized-bed furnace operates autothermally using waste sulfur and carbon deposits as fuel to maintain process temperature.

A three-stage gas distribution method injects oxygen and recycled flue gas into distinct zones of a circulating fluidized bed furnace.

Coarse oxygen carriers distribute heat and oxygen to resolve incomplete combustion and corrosion issues in oxy-fired fluidized bed systems.

Inject combustible gas propelled by recycled carbon dioxide into separator outlet vortex to reduce oxygen content below 100 ppm without catalytic treatments.

A dual circulating fluidized bed reactor system connects two reactors via a particle line and hydraulic link for robust solids transport.

Heated carrier gas chemically converts organic pollutants in auxiliary material, eliminating complex wet-chemical treatment systems.

A dispersion section distributes bed material evenly across a fluidized-bed gasification furnace width.

A carbonate cycle system separates CO2 from exhaust gases using indirect heating and material separation to protect sorbent longevity.

High solids circulation in a pressurized transport oxy-combustor controls combustor temperature, eliminating the energy penalty of recycled flue gas.

Segmented combustion chambers in a fluidized bed furnace control settling chamber temperature, preventing excessive heating and boosting oil yield.

A preheater with dual gas passageways directs flue gas and captured CO2 to preheat combustion air.

A concentric fluidised bed apparatus transfers thermal energy between combustion and pyrolysis zones via an apertured divider.

Separate oxidation and reduction loops cycle liquid redox agents continuously, eliminating solid agent regeneration downtime.

Using pyrolysis liquid as the working medium, a liquid ring compressor purifies and cools circulation gas, eliminating separate purification devices.

Microwave radar replaces mechanical pressure sensors to detect sintering and agglomeration in bubbling fluidized bed combustion devices.

A counter-current fluidized bed heat exchanger decarbonates raw meal particles using a rising carrier gas to produce concentrated carbon dioxide effluent.

Circumferential riser holes enable ash extraction and prevent bridging during scalable synthesis gas production.

Segmented injection ports on the downstream surface of an outlet duct improve reactant distribution while minimizing clogging and corrosion.

An annular space and inlet nozzles distribute fluid uniformly, eliminating dead zones and reducing pressure drops in fluidized bed reactors.

Cleaning gas removes impurities from valve seals before discharge, preventing flue gas leakage and corrosion in pressurized fluidized bed incinerators.

A regenerator heater vaporizes fuel and steam to supplement heat, resolving insufficient coke formation from light hydrocarbon feeds.

Direct calcium oxide injection into fluidized-bed boilers bypasses thermal decomposition limits, doubling specific absorption capacity.

Segmented mixing chambers break down heavy hydrocarbon feeds into uniform droplets, improving catalyst contact and vaporization rates.

Segmented nozzle design with externally accessible welded joint enables quick outlet insert replacement without disconnecting supply lines.

Bent water tube partition walls guide particle flow, resolving support difficulty and chemical reaction risks.

Segmented risers and dynamic oxidizer injection maintain continuous sand circulation to prevent water tube erosion and corrosion.

A circulating fluidized bed boiler control method adjusts oxygen feeding rates to pre-combust bed char inventory.

Normalized magnetic susceptibility indicators track ilmenite levels to reduce bed material loss and improve combustion reliability.

Calcined hydrous clay adsorbs alkali compounds, reducing flue gas particle loss and operational costs compared to fine kaolin.

A bubble cap assembly uses a clamped flange and gasket to create an air-tight seal between the stem and membrane.

A circulating fluidized-bed reformer system balances raw material feed with heat supply using inexpensive fuels.

A grid nozzle assembly uses a twist-lock mechanism between the nozzle head and tube sleeve to enable rapid component replacement.

Vertically positioned ejector creates severe vortexes to control solid particle flow-rate, preventing reverse gas flow and maintaining stable pressure barriers.