Heat Recovery Systems TRIZ Cases

See how a counterflow heat exchanger uses hot supply water nozzles to prevent deposit buildup,

See how a double-pipe system with secondary fluid recovers waste heat from hot water return lin

See how exhaust gas heat recovery from a condensing boiler preheats heat pump evaporator air, r

A fresh-water bypass refills the heat pump tank directly, avoiding wastewater contamination and speeding cooled-liquid regeneration.

An added air-side heat exchanger and liquid regeneration loop improve washing machine heat-pump efficiency while limiting ice buildup.

Selective spray nozzles clean lint from specific heat exchanger regions, preserving airflow and heat release with less water and pump power.

A heat pump dries and reheats condensing-boiler exhaust after heat recovery, enabling chimney reuse without moisture-tight renovation.

Parallel mass-produced heat pump units give commercial dryers high heating and cooling capacity with lower cost, flexible control, and fail-safe drying.

Potential temperature and available heat are compared across sewage, wastewater, and other sources to cut HVAC energy use while maintaining supply reliability.

Waste heat from decentralized cabin coolers is transferred into the aircraft air extraction path, cutting air-conditioning load and fuel use.

Waste heat from cabin cooling is transferred to process air, avoiding separate heaters in aircraft work areas and cutting energy use and noise.

A bead-stiffened top plate raises natural frequency to suppress exhaust-gas resonance noise while preserving latent heat recovery.

A hot water jet cleans shower greywater heat exchangers, preventing deposit clogging while maintaining efficient counterflow heat recovery.

A helical channel around a bowl-shaped flushing base improves wastewater heat recovery while avoiding residue traps and hard-to-clean surfaces.

An exhaust-line heat exchanger and buffer store help a heat pump heater recover flue heat while avoiding inefficient cycling and moist chimney issues.

A reversing valve lets the heat pump cool or heat process water, protecting delicate laundry from shrinkage and discoloration.

Preheating inlet water to 20-30°C and placing the heat pump near use cuts line heat loss, water waste, and energy demand.

Treated wastewater is routed through buildings and recharge basins to recover year-round thermal energy while reducing direct aquatic discharge.

Low-temperature condensate return and vacuum-driven drainage eliminate steam traps, improve heat distribution, and help condensing boilers run efficiently.

A closed liquid tank lets a heat pump store latent heat below 5°C, cutting appliance power use while avoiding waste-water deposits.

Integrated wall sections form both the heat exchanger chamber and supply lines, cutting assembly effort, corrosion risk, and deposit buildup in wastewater pipes.

Shared heat-pump thermal storage lets a washer and dryer reuse waste heat, cut energy use, and support lower-temperature fabric drying.

Selective spray nozzles clean lint from dryer heat exchanger regions using limited condensation water, preserving heat exchange efficiency.

Underground effluent mains recover waste heat from buildings to supply geothermal energy, eliminating aquatic discharge pollution.

Auxiliary reboiler sustains column heat input during compressor isolation, preventing liquid condensation damage and ensuring reliable xylenes separation.

Merging charging and discharging cycles into one active device reduces system complexity while maintaining reliable thermal energy storage.

Compressing overhead vapor with a heat pump reboils bottoms streams, reducing energy consumption and improving separation purity.

Multi-effect evaporators with agitators and a heat pump reduce energy costs while preventing protein denaturation during blood drying.

Interlocking projections and grooves secure plate joints, eliminating leakage risks from strip movement.

Multi-pass heat exchanger distributors enable rapid fluid movement through inclined pipelines, resolving freezing risks from slow emptying.

Immersed two-phase thermosyphons in a fluidized bed reduce thermal resistance and fouling, boosting electrical power generation efficiency.

Extracting low-grade heat via a heat pump preheats boiler air, raising thermal efficiency above 100% LHV while simplifying turbine arrangements.

Preheating charge air using waste heat recovery energy raises exhaust temperatures, accelerating catalyst warm-up and reducing cold-start emissions.

A two-stage heat recovery system extracts energy from biomass dryer exhaust using non-contact and direct contact exchangers.

Multi-stage air cooling and heating device recycles exhaust energy to resolve moisture dust contamination trade-offs in sewage sludge drying.

A buffer vessel decouples pump capacity from shower flow rate, ensuring continuous heat exchanger feeding and higher thermal transfer.

An indirect heat pump circulates water or methanol between the overhead condenser and reboiler to transfer thermal energy efficiently.

Nested pipes in counter-flow orientation transfer heat from grey water to fresh water, reducing energy consumption by pre-heating supply water.

Heat pump integrates prime mover to convert electrical surplus into thermal load, reducing fuel consumption and carbon emissions during regasification.

A water distillation unit employs vapor compression and heat recovery to produce distilled water.

A polymerization cooling system recovers thermal energy using a phase-converted working fluid to generate heat or electricity.

Segmented micro-turbines eliminate transmission losses while parameter changes reduce harmful emissions.