Solidification TRIZ Cases

Separate high-heat and cryogenic seals with cavity monitoring keep conduit joints air-tight and enable leak detection across extreme conditions.

A modular LNG process combines staged compression, heat exchange, and Joule-Thomson expansion to cut small-scale liquefaction cost and storage risk.

A series backup cooler keeps compressed gas within safe temperature limits when the Rankine heat recovery circuit is offline.

JT expansion with propane refrigeration and shell-and-tube exchangers recovers propane from variable feed gas with lower complexity and maintenance.

Compressed lean boil-off gas is reused as the final LNG refrigerant to limit heavy-component buildup and preserve closed-loop efficiency.

Rounded side bars with flat contact zones eliminate channel clearances, improving liquid wetting and preventing dry vaporization deposits.

Dynamic ASU compressor power control helps oxyfuel plants follow grid demand swings while preserving cycle efficiency and CO2 capture.

Cross-cargo heat exchange lets one LPG reliquefaction unit condense vapors from two cargo types, cutting unit count and running time.

Series coolant routing across multi-stage compressor heat exchangers boosts heat recovery, maintains flow speed, and reduces calcification risk.

Staged air compression and cooling cut heat exchanger load while preserving turbine flow for more efficient gaseous oxygen production.

Capturing CO2 at intermediate pressure and temperature cuts cooling demand and enables lower-cost polymeric membranes in gas-turbine exhaust treatment.

Phase-separated mixed refrigerant streams improve LNG cooling curve matching, cutting compressor complexity and power use.

Adjustable tube-side flow zoning balances shell-side refrigerant temperature differences to maintain efficient heat transfer in spiral-wound exchangers.

Indirect heat exchange across high-, middle-, and low-pressure columns boosts nitrogen and liquid oxygen output while preserving argon recovery.

Flashing a liquid ethane-CO2 stream forms solid CO2 for removal, avoiding azeotrope limits while reducing energy use and hydrocarbon loss.

Splitting compressed air into multiple pressure paths improves main heat exchanger efficiency and lowers energy use in high-pressure gas production.

A turbine-driven cold compressor lets a cryogenic air separation plant vary liquid output across operating modes while limiting energy use.

A varying-resistance conduit confines where liquid turns to vapour or condenses, using temperature and pressure control without pumps or valves.

A nested cryogenic column layout boosts oxygen output while keeping air separation equipment compact enough for transport and energy-efficient.

Cryogenic air compression and turbine energy recovery enable high-pressure oxygen production without costly oxygen compressors.

Staged cooling, expansion, and reheat of CO-rich streams cuts liquid nitrogen demand and lowers CO compressor power in cryogenic syngas separation.

A warm expander powers air boosting so all feed enters rectification, cutting power use while improving high-pressure oxygen recovery.

Liquid recirculation on a mass transfer tray cuts dead zones and residence time, helping prevent monomer polymer buildup and blockage.

A stacked auxiliary and argon purge column layout boosts cryogenic oxygen output while keeping the air separation plant compact and transportable.

A closed multistage CO2 refrigeration loop cools natural gas near the triple point, improving acid gas separation sharpness with lower energy use.

An adsorption unit sends tail gas to a cryogenic plant to recover methane, raise C2/C3+ recovery, and handle variable gas flows.

A closed-loop refrigeration system cools LNG and condenses column overhead for reflux, cutting NRU complexity while improving nitrogen purity.

Condensed drain is reused as an alkalinity control agent upstream of aftercoolers to remove sulfur oxides, protect compressors, and preserve CO2 purity.

A staged exchanger scheme keeps initial cooling above mercury's freezing point, preventing plugging and embrittlement while reducing adsorbent use.

Raising fractionation-column pressure and tuning reboiler power cuts LNG liquefaction energy while improving methane and ethane recovery.

Recovered boil-off gas is compressed, cooled by tank gas or flash gas, and reliquefied to cut energy waste and power demand.

High-pressure compression and cooling condense monomers and diluents from polyolefin purge gas, enabling recycle and reducing flaring.

Adjusting preset values across parallel compressor units equalizes wear, stabilizes pressure control, and reduces cryopump downtime.

A single partitioned cryogenic assembly combines heat exchange and mass transfer to recover C2+ hydrocarbons with less piping, power use, and leakage.

A heated intermediate stream and pressure-staged distillation separate methane from acid gas while preventing solid CO2 build-up.

A multistage refrigeration loop and adsorption drier condense CO2 from flue gas while reducing fouling, gas cleaning, and energy use.

Selective expansion and gas recycling liquefy CO2 from mixed streams without external refrigeration, cutting energy use and system size.

A cyclone separator splits gas and liquid before the core-in-shell exchanger, reducing sloshing and mal-distribution in offshore refrigerant flow.

An integrated distillation assembly removes CO2 from hydrocarbon gas while cutting equipment count, power use, and methane loss.

Residual CO after water gas shift is selectively oxidized, enabling high-purity hydrogen from low-rank coal with on-site CO2 storage.

A convection-diffusion model tracks concentration changes in a distillation column and flags sensor faults from abnormal adjustment parameter values.

A three-column cryogenic distillation layout improves oxygen enrichment and high-pressure gaseous oxygen recovery while reducing reflux losses and energy use.

A hybrid multi-train cryogenic distillation layout balances pressure and low-pressure columns to cut energy use while maintaining nitrogen purity.

A rotating vessel creates a pressure gradient that freezes one liquefied gas component, enabling compact, lower-energy separation.

Turbine expansion and a thermally linked double-column layout cut compression demand in natural gas denitrogenation while improving helium recovery.

Indirect vapor cooling and internal rectification boost C2/C3 recovery in compact gas processing without added compression or fractionation.

Separate pressurized shell sections simplify transport and assembly while improving gas-liquid separation in hydrocarbon heat exchange.

A split LNG sendout stream condenses and subcools boiloff gas without large recondensers, helping prevent pump cavitation under variable BOG loads.

A mixing column in the SMR compression sequence separates and reintroduces refrigerant streams to avoid irreversible mixing and improve liquefaction efficiency.

Switching between single- and two-column nitrogen rejection cuts complexity and methane loss while handling 3-50 mol% nitrogen feed gas.