Corrosion Prevention TRIZ Cases

Controlled Mg and Zn in fins creates potential difference for sacrificial protection, eliminating costly surface treatments.

A defrostable heat exchanger moves a blockage upstream to divert liquid flow, enabling continuous cooling while warm gas melts ice buildup.

Sensors feed back flow data to a control module that dynamically adjusts restrictors, eliminating manual valve adjustments and reducing nitrogen waste.

A tube-side sequentially pulsable-flow shell-and-tube heat exchanger apparatus varies flow rates within tubes to inhibit agglomeration.

Reverse flow cleaning cycles remove impurities from plate heat exchanger channels without disassembly, maintaining steady gas flow during continuous production.

Zirconium addition in aluminum alloy suppresses intergranular corrosion propagation while maintaining extrusion rate equal to A1070 alloys.

Segmented plate assemblies isolate brazed joints from seawater to reduce corrosion while maintaining high heat transfer efficiency.

Monolithic fins with split channels manage condensate shedding to resolve interface resistance and enable efficient dual-phase operation.

Dual-surface zinc treatments prevent internal rust contamination in stored hydraulic tubing.

Designing contact surfaces with spatially incompatible corrosion products prevents welding in dry pumps, facilitating easy maintenance.

Plate heat exchange module uses rows of turbulising elements with varying heights to adjust flow cross-sections.

A surface-modifying treatment agent with an anchor and hydrophobic tail bonds to metallic tubulars.

Galvanized mechanical outlets and insulated stainless steel hanger rings prevent electrolysis in coastal fire sprinkler systems.

An aluminum alloy second tube sheet prevents galvanic corrosion between dissimilar metals while maintaining structural integrity and cost efficiency.

Nanoparticle compositions align with metal grain boundaries to disrupt galvanic couplings and equilibrate electric potentials.

Strip-shaped flow profile parts route contaminant particles away from fluid duct openings to prevent blockages.

Reduced bottom surface roughness on the blade oil supply groove prevents foreign matter accumulation and maintains reliable lubrication.

Segmented balance rings with anticorrosion materials resolve rotation imbalance without compromising end ring coating uniformity.

Negative voltage charges fuel particles to repel boiler surfaces, eliminating mechanical soot blowers and maintaining heat transfer efficiency.

Segmenting total flow into separate partial streams prevents fibrous components from bridging between adjacent tube inlets and forming deposits.

A filter mat on a heat exchange device separates particles from wetting liquid, preventing accumulation that reduces thermal efficiency.

Multi-stage water treatment prevents quality degradation that reduces cooling effectiveness and accelerates metal corrosion in screw compressors.

Heat transfer fluid forms insoluble protective layer on brazed aluminum components, neutralizing residual flux halides to prevent localized corrosion.

Introducing purified nitrogen at system ingress points creates an inert atmosphere that eliminates oxygen corrosion in piping networks.

A corrosion inhibitor blend protects magnesium alloys in vehicle cooling systems.

A primer-free tape system restores buried pipeline insulation using multi-layer wrapping for corrosion and mechanical protection.

Nested anti-erosion devices resolve positioning instability under high-velocity flow by expanding an inner tube within an outer sleeve at the inlet tube-sheet.

An asymmetric louver design matches gap width to frost formation, preventing wind resistance spikes and preserving heat exchange performance.

Offset magnetic drive liquid ring pump applies composite coatings to resist corrosive effluent gas streams.

A heat exchanger bypass valve employs a shape memory alloy spring that opens at low temperatures to reduce flow resistance during cold starts.

Segmented clad structure increases sacrificial anode thickness to suppress through-holes and improve outer-side corrosion resistance.

A thermal processing machine uses springing means to maintain elastic contact between scraping edges and heat exchange surfaces.

Inorganic salt coating replaces heavy metal grease on threaded zones, eliminating environmental pollution while maintaining galling protection.

Integrated filters and biasing mechanisms in fluid connectors prevent contaminant buildup, maintaining reliable connections for efficient server cooling.

Notched interior surfaces on cooling pipes promote slag adhesion, protecting furnace walls from mechanical wear while smooth exteriors deter accumulation.

An automated offal storage apparatus uses a circulating cooling fluid circuit to maintain freshness during transport, eliminating the high cost of ice.

An open end loop on a helical pipe insert allows easier introduction into conduits while preventing movement relative to the walls.

Embedding textile grid reinforcement within mortar lining creates a composite structure that suppresses fine cracks while reducing overall thickness.

Partial electrolysis in a UET reactor coagulates suspended solids, preventing sedimentation and scale formation that reduces heat transfer efficiency.

Upward fifth fins divide primary chambers into minor cavities, increasing vaporization nuclei and resolving thermal resistance in flooded refrigeration units.

An aluminum inner tubesheet section prevents direct contact with the steel shell, eliminating galvanic corrosion and extending heat exchanger service life.

Segmented tube plates with loose backplates suppress corrosion and thermal stress while reducing manufacturing costs.

Microscale channels on helical fins create nucleation sites for boiling and improve liquid distribution for condensing.

Controlled surfactant concentration reduces bubble bulkiness below 250 mL to prevent foaming while maintaining high heat transfer efficiency.

Flexible holding means absorb shocks and vibrations without adding weight or complexity to the heat exchanger assembly.

Segmented coupling uses resilient protective ring with energizing member to prevent corrosive fluid contact at joint interfaces.

Integrated metal filters replace complex domes and cartridges, eliminating architecture complexity while maintaining reliable catalyst retention.

A specific aluminum alloy fin composition suppresses springback during corrugation to enable thin gauge production.

Galvanic anodes and soldered patches protect copper plumbing from disinfectant corrosion, maintaining system pressure.