Solid Fuel Pretreatment TRIZ Cases

Correlated feed rate, rotation speed, and air flow data reveal fuel buildup in enclosed pulverizers for earlier thermal power plant maintenance.

Adjustable radial and tangential gas passages dry particulate material efficiently while avoiding the high energy use of thermal drying.

Frequent refills limit pellet-stove autonomy; stackable tanks add storage and gravity-feed pellets into the stove tank.

Waste-volume imaging adjusts dust-proofing in a foreign substance removal device, balancing explosion protection with energy use.

Vertical tapered roller bearings prevent coal dust contamination and increase L10 bearing life by 2.5 times without expanding the envelope.

A waste crane controller selects incinerator feed based on composition variation index values to maintain consistent heat generation.

Injecting gas turbine exhaust into a coal-fired boiler raises flue gas carbon dioxide concentration for downstream capture.

A rotating biomass brazier moves unburnt fuel from inner walls using radial arms, preventing clogging and maintaining heat efficiency.

Combining magnesium and copper additives modifies ash fusion properties to eliminate slag accumulation while maintaining boiler output.

Partitioned nozzle geometry segments flow paths to concentrate biomass fuel while maintaining sufficient downstream velocity to stop particle deposition.

A mineral additive blend comprising aluminosilicate compounds and functional minerals enters the combustion zone to modify ash properties.

A crane calculation device generates operation schedules using genetic algorithms to optimize waste mixing patterns.

A serpentine housing system immerses biomass in a heated liquid transfer fluid to produce torrefied wood pellets.

Segmenting heating into two stages allows a booster air heater to use hot upstream flue gas, overcoming SCR temperature limits for effective fuel drying.

A control device generates command values for table speed and classifier rotation to manage coal output.

Pre-combustion treatment with segregated catalytic additives reduces NOx and mercury emissions by 20% and 40% respectively without high capital costs.

Conical barrels and fan-like liners enable efficient powder discharge, reducing power consumption for mixed combustion.

A pneumatic steam dryer recovers flash and leakage steam from bulk material discharge to reuse thermal energy within the handling system.

Halogen-based sorbents capture mercury from flue gas streams, replacing costly activated carbon systems that increase treatment expenses.

Perforated hopper walls channel heated drying air through wood chips, reducing moisture content to prevent boiler clogging.

Thermoplastic binder infusion into cellulosic fibers yields 9,500 Btu/lb heating value and high durability for coal-fired furnaces.

A coal dryer uses a heating medium heated by exhaust gas to dry fuel.

Disposable sugar or starch additives survive combustion to reduce NOx, lowering operational costs and maintenance needs.

A pulverizer monitoring system measures heat input and output characteristics to identify combustion-related conditions.

A pulverized coal drying system adjusts drying fluid flow rate to maintain a target temperature.

A coal mill control device calculates correction signals from output pattern deviations to adjust feed rates.

Magnesium and calcium compounds raise ash fusion temperatures to prevent slag accumulation, eliminating operational interruptions from soot blowing.

An inclined double-wall combustor enables direct burning of unground biomass, eliminating grinding costs while maintaining high thermal efficiency.

A feedstock dryer redirects medium pressure steam from existing plant components to dry solid fuel.

Pressurized gas in a slotted centrifugal bowl reduces coal moisture below 25 percent without thermal drying.

A slag-reducing composition comprising aluminum and magnesium compounds modifies biomass combustion chemistry to form high-temperature eutectics.

Two-stage combustion chamber reduces nitrogen oxide emissions by controlling biofuel firing with staged air streams, eliminating expensive SNCR systems.