Sieving TRIZ Cases

Segmented support rings and clamping posts replace welding in screen baskets, reducing ring fatigue failure and material loss during rotor applications.

A vibratory separator deck uses a positive displacement mechanism to adjust its inclination angle for optimized solid separation.

Segmented openings and asymmetric ridges separate flat items while preventing wrapping.

Hard metal screens and wear-resistant shapers eliminate contamination while maintaining mechanical stability during polysilicon chunk dosing.

Universal mounting structures enable single-to-multi-deck upgrades, resolving the trade-off between solids removal efficiency and device complexity.

Eccentric shafts drive lever joints to create inertia-controlled throwing movements that spread material accumulations without scraping wear.

Low compaction force combined with gas stream entrainment removes fine particles, preventing solid bridge formation during tablet compression.

Hydraulic coupling enables continuous generator operation from a single engine, resolving resource efficiency trade-offs during intermittent crushing cycles.

An integral V-shaped support profile eliminates elastomer packing lips to prevent residual material bypass while enabling thorough Cleaning In Place access.

Air flow through a rotating porous belt separates heavy minerals from dust, eliminating water consumption and airborne pollution during soil remediation.

Locking members engage panel overhangs and fixing member rails to prevent longitudinal shifting, reducing wear and grading errors on mining decks.

Self-contained processing modules reduce installation time and logistical costs for remote operations.

Pneumatic screen tensioning system tightens mesh without bolts, eliminating downtime from manual installation and leakage from poor sealing.

Radially expanding screen rollers narrow the fine-grain gap, forcing oversize fractions to float and discharge transversely instead of jamming axially.

A two-stage air cleaning machine uses segmented vertical columns and adjustable air knives to remove debris from agricultural products in a single pass.

Segmented outer rings and rib assemblies reduce transport volume while maintaining structural stability through localized precision connections.

Rotatable distributor elements separate wood flakes into short and long streams for layered panel formation.

A fully automatic rock debris catching and washing apparatus uses stepping motors to transport and clean cuttings.

Compliant mounting blocks absorb rock impact shock via elastic deformation, preventing structural fracture at rigid coupling points to maintain bar alignment.

Vibrating screens separate bitumen from crude oil sands using harmonic oscillation, reducing energy consumption and greenhouse gas emissions.

A two-mass vibratory apparatus uses a dynamic balancer to offset exciter forces through 180-degree phase opposition.

Segmented stripping elements on adjustable supports replace rigid sheet metal, extending service life and simplifying maintenance.

Disposable bulk bags and reservoirs collect cement waste fluids to eliminate cleaning costs and prevent environmental contamination.

Vibration-induced dripping creates uniform ceramic proppant pellets, reducing porosity and eliminating screening needs.

A pre-tensioned stainless steel filter cloth attaches to a glass fiber reinforced polypropylene frame with integral grillwork fields.

A separation tank uses a movable wall and vibration motor to reposition filter bags, resolving assembly time bottlenecks while maintaining separation capacity.

Varying bar thickness prevents tine misalignment and reduces wear.

Apertures in the auger tube extract grain while retaining cobs, preventing bin filling inefficiency and material damage.

FEM analysis guides recess placement in plastic star wheel fingers to cut material costs while maintaining structural strength.

A particle size separator uses a combined baffle and seal unit to constrain particle movement on the screen surface.

Rotary trommel and ballistic separator sort waste fractions by size and density, resolving the contradiction between high treatment volume and sorting accuracy.

A combine harvester preparation arrangement uses a separate blower to direct air streams through gaps between stages.

An electrostatic emitter charges recyclable materials to separate plastic films from fiber waste on a conveyor belt.

A shredding unit cuts defective diapers, and a rotating beating member impacts the fragments to dissociate adhered water-absorbent polymer from plastic.

Rotating blades guide material to a blower that discharges fill via a sloping lip, preventing clogging.

Vibrating tines with textured upper surfaces break up clumps and prevent clogging in wet material screens.

Nylon mesh netting trims plant material via friction, eliminating metallic dust contamination from blades.

Stacked silicon dioxide filters with controlled pore sizes isolate specific nanoparticles without physical damage.

Curved inlet edges on screen plate slots deflect wood chips away from narrow openings, maintaining uninterrupted liquor extraction in pulp digesters.

A vibratory drive system uses a rotatable gear carrier to adjust the phase angle of an out-of-balance wheel relative to the drive shaft.

Self-service tensioning members engage panel edges to enable rapid replacement, reducing downtime during solid-liquid separation.

A moveable centre of rotation allows the conveyor to fold against the chassis, reducing overall width to meet road transport regulations.

Monolithic structural elements form a belt-shaped configuration with articulated connecting zones.

Segmented screen rods with living hinges fold into compact configurations, resolving assembly complexity and transport difficulties in vibratory screening.

Elongate sieve openings match pupae orientation to prevent entanglement and boost throughput in sterile insect technique programs.

Real-time flow measurement adjusts conveying speed and screen caliber, resolving the trade-off between sorting precision and fruit loss.