Melt-Holding Vessels TRIZ Cases

Switching seal gas from argon to nitrogen and applying tundish powder suppresses nitrogen pickup and bubble defects on stainless steel slab surfaces.

A unitary refractory ring with distributed lifting lugs enables safe handling and precise fitting of ladle linings.

Separating powder injection from gas flow prevents argon bubble entrapment and surface defects in continuous steel casting.

Segmented tundish bottoms with lateral channels allow residual steel drainage while maintaining particle removal effectiveness.

A buoyant ceramic plug retains molten metal in a crucible until withdrawal lowers the metal head, preventing premature melting of metallic plugs.

M70 sintered mullite and flint clay casting material resists thermal shock and scouring in KR desulfurization, extending paddle service life.

Partially stabilized zirconia mixture balances thermal expansion to prevent cracking during emergency cold starts, reducing downtime and costs.

Automatic plug-in linear drive simplifies sliding closure maintenance by integrating electrical and media connections into a single insertion action.

Polygonal geometry eliminates rolling and cuts storage volume while maintaining structural integrity for molten metal flow control.

A concave portion on the new immersion nozzle upper plane houses a shaped joint sealer during sliding replacement.

Optimized copper tube diameter prevents clogging and maximizes heat extraction efficiency during continuous casting.

Segmented crucibles in a microwave furnace eliminate eddy current damage and alloy contamination during rapid metal melting.

A target supply device uses an image sensor and pressure control unit to align the material jet trajectory with a set direction.

Standardized charge segments eliminate heterogeneous scrap handling, ensuring predictable melting and reducing energy loss.

Ceramic seal casing decomposes to form a carbon layer that prevents adhesion and sintering during thermal cycling.

A metal transfer device uses a high thermal conductivity refractory filler layer between the trough body and heater to improve heat conduction.

A submerged nozzle with a rotatable insert driven by molten steel flow to maintain stable double-roll patterns.

A submerged nozzle clamping mechanism uses a positioning liner to guide fresh nozzles during horizontal movement.

A refractory nozzle incorporates a void layer around MgO particles to absorb thermal expansion and prevent crack formation.

Dynamic tilting ladle control matches molten metal flow to molding speed, eliminating stopper wear and bleeder defects while maintaining high productivity.

Conical taper plates with greater than 30-degree angles prevent extension ring deformation, extending ladle campaign life.

Segmented immersion nozzle outlets balance molten steel exit streams, reducing reverse flows and level fluctuations during high-speed casting.

Helical channels on a stopper rod inject gas to create rotational flow, reducing clogging and improving cast steel quality.

Replacing four synchronized actuators with two devices and a hydraulic flow divider eliminates complex control systems while maintaining lifting stability.

Compliant check valves in tunable fluid ends convert high-pressure closure shocks into heat, preventing fatigue cracking in frac pump housings.

An interior wall creates a waterfall effect that generates currents to submerge floating aluminum scrap, reducing oxidation loss during melting.

Controlled stabilization degree in partially stabilized sintered zirconia reduces gap formation between nozzles caused by anomalous thermal expansion.

A ladle pouring system uses a flow model to estimate molten metal weight during tilting.

Angled dual outlets suppress deceleration and turbulence in wide mold cavities, ensuring stable upward reversed flow for high-speed casting.

Segmented mounting adaptor uses optional thermal riser to dissipate heat, protecting actuators from damage while managing assembly complexity.

Secondary gas supply holes restore airflow in clogged slide plates, preventing solidification and enabling reuse.

Electromagnetic fields separate molten ferro-chrome from slag inside the furnace, eliminating manual skimming and reducing energy consumption.

Retaining risers during casting and heat treatment stabilizes wheel blank temperature gradients.

Segmented outlets create self-induced flame oscillation to maintain uniform temperature distribution and high heat transfer efficiency away from the burner tip.

Precast refractory shapes use spaced cavities filled with casting material to secure the component within a structure.

Segmented mounting bracket encloses the ballcock magnet, preventing damage while simplifying fabrication and maintaining sliding sleeve strength.

Depressed contact surfaces on sliding members disperse pressure from thermal expansion, preventing surface roughness and chipping damage around the nozzle hole.

Multi-layer refractory insulation in a ladle maintains molten aluminum temperature, eliminating ingot remelting and reducing supply cycle time.

Adjustable conveyor belt and segmented cooling system enable rapid width conversion, reducing setup time and costs for steel pre-strip manufacturing.

Replacing gas burners with an electrical resistance heater eliminates CO2 emissions and prevents hot spots in the refractory lining.

Vertical barriers in impact pots create channels that homogenize metal melt flow despite ladle misalignment.

A relief valve assembly uses a mechanically collapsible member to decouple spring force from fluid pressure.

Spring-loaded locking claw prevents accidental detachment of the linear drive during transport, ensuring secure attachment.

A porous diffusion component spans the tundish bottom to distribute gas bubbles uniformly across molten steel.

A conical impact pad redirects the incoming ladle stream to establish laminar flow within a tundish.

A PLC calculates actual molten metal quantity by disregarding load cell readings during acceleration, resolving measurement precision loss from dynamic forces.

A frame with asymmetrical recesses guides molten metal casting plates into a single correct orientation for safe metallurgical vessel operation.

Graphitic washer compensates for carrier rod expansion, preventing gas leakage and molten metal oxidation.

An integrated heating element within a ceramic control pin enables in-situ heating, eliminating furnace pre-heating risks and reducing energy consumption.

An immersed insert reduces compressed gas volume and oxidation by applying pressure only to the active melt zone.