Feed Devices TRIZ Cases

A horizontal gas distributor with flow guides and pipes evens catalyst bed flow and temperature despite fluctuating hydrogen supply.

A swirl generator and tapered vessel create Coanda flow for uniform solid-liquid mixing under high pressure without rotating seals or high shear.

A mixing flow path and pressure control section offset catalyst-bed pressure differences to distribute gas-liquid reactants evenly without overflow.

Catalyst discharge can be labor-intensive; a rotating closure opens individual reactor tubes for controlled replacement.

An angled plenum inlet creates a gas vortex that increases catalyst-reactant contact, supporting higher polymerization rates and residual-particle removal.

An angled plenum inlet promotes vortex flow to remove residual catalyst, raise polymerization production, and prevent process shutdowns.

Periodic piezoelectric activation sheds additives into reactor liquids, improving dosing precision while limiting mechanism complexity.

Maintaining a pipe surface temperature above 110°C prevents aluminum chloride deposition and stress-corrosion cracking in fluidized-bed reactor discharge lines.

A free jet of precipitant mixes with a polymer solution to drive rapid phase separation and solid particle formation.

A reactor inlet velocity equalizer balances vapor flow using a cylindrical distributor pipe with flange and ring plates.

Replacing spring-loaded pins with magnetic forces prevents solid catalyst jamming in polymerization reactors while maintaining reliable plug reseating.

Segmented L-valve angles and dynamic gas flow eliminate dead zones while cushioning impacts to reduce catalyst attrition.

Segmented gas circuits and a flexible tube prevent particle breakage while ensuring homogeneous catalyst distribution.

Separate feeding of pro-catalyst and activator prevents premature interaction, reducing fines generation and improving bulk density.

Centrifugal force creates stable immiscible liquid-phase concentric layers in a rotary reactor, enabling efficient multistage reactions without layer merging.

Height-difference sparger prevents solid particle blockage in gas-supplying lines through lateral injection and periodic purging.

A frustoconical reactor with localized heating in the conical section minimizes wall fouling and encrustation during poly(meth)acrylate production.

A suspended particulate retaining chamber with a diffusing pipe reduces fluid momentum to capture solid particles in chemical reactors.

A pneumatic device introduces catalyst particles into bayonet tube annular zones using an auxiliary rigid tube and countercurrent gas flow.

Segmented circumferential nozzles and deflector rings distribute reactants uniformly without creating excessive back pressure or enlarging reactor volume.

Liquid initiators eliminate high-temperature melting complexity, enabling precise lactam polymerization in molds without blockages.

A rotating liquid distributor prevents condensation polymer accumulation by continuously moving and self-rinsing within the process vessel.

A rotating member with pivotally mounted deflector elements directs solid particle flow into enclosures.

Adjusts catalyst flow based on real-time concentration data, eliminating complex mixing tanks that cause inconsistent polyolefin properties.

A fluid distribution device uses local head loss to manage pressure and ensure uniform flow through reactor beds.

A diverter system uses a carrying fluid to dislodge and convey particle agglomerates to a collector vessel, resolving reactor cleaning bottlenecks.

High-density holes in the dropper head segment monomer solution into individual drops, preventing coalescence and wall deposits during polymerization.

Lock-out valves isolate LDPE reactor sub-systems while nitrogen purge gas displaces reactants to enable safe maintenance.

Screw conveyor penetrates fluidized bed reactor to discharge solid particles, reducing gas consumption and enabling simultaneous reaction and conveyance.

A sparger design uses a protruding pipe and side pipe to disperse gaseous monomers into reactors.

Aerodynamic impeller design directs recirculated feed at a non-zero angle to improve catalyst bed velocity.

Caps on perforated ducts subdivide gas bubbles in a bubble column reactor, eliminating dead zones and enhancing mass transfer rates.

A reactant by-pass insert diverts gas flow around the catalyst layer to cool the upper tube sheet, preventing thermal damage during exothermic reactions.

Concentric fluid pathways in a rotating packed bed enable parallel processing without increasing device complexity.

A PVC production method using water-soluble initiator composites to achieve uniform radical generation and in-situ polymerization.

A reactor inlet velocity equalizer uses flange plates and longitudinal vanes to balance gaseous feedstock flow.

Segmented distributor design with guide fins allows removal through narrow inlets, eliminating shutdowns for cleaning clogged by-products.

Segmented nozzle arrays and dual-layer refractory liners enable uniform fluidization while resisting thermal wear in high-velocity environments.