Forehearths TRIZ Cases

See how a movable flange support allows transfer pipe thermal expansion during pre-heating, red

Controlled crystallization and ion exchange improve crack resistance, drop performance, fracture toughness, and low-haze transparency.

Rare-earth glass frits added in the forehearth create uniform fluorescent glass at lower loading across multiple glass types and effects.

A stilling chamber with non-submerged burners and a feeding spout calms foamy molten glass and delivers a stable downstream feed.

Localized insulation and a concave heating member keep molten glass above liquidus temperature at the conduit exit, preventing devitrification.

A movable bracket and insulated bracing support heavy electrical flanges while accommodating vessel thermal expansion and preventing misalignment.

Alternating fuel and oxidant lances create slim, non-contacting flames that heat glass melt uniformly while reducing wall load, heat loss, and NOx.

Multi-point 360° molten glass flow balances agitator forces, reduces oscillation, and improves homogenization at high flow rates.

Silica-containing barriers raise leaked molten glass viscosity to slow or stop flow, protecting insulation and reducing rebuild risk.

Angled rails and grooved rollers let the molten glass delivery carriage absorb conduit expansion, cutting thermal stress and extending component life.

Alternating-current Joule heating in precious-metal glass conductors cuts electrochemical reactions, reducing bubbles and particles in thin glass.

A refractory enclosure and biasing support protect the glass ribbon conduit from thermal stress, limiting leakage and preserving ribbon quality.

A raised outlet and backflow restrictor wall limit molten glass recirculation in the refiner well, reducing mixing, nucleation points, and gas inclusions.

An IR-transmissive insulating layer lets a glass-processing heater reach 1200°C+ while avoiding shorts and reducing power supply size.

Venting above molten glass through a downward-angled tube removes volatile gases while keeping condensate particles out of the melt.

Multiple heating circuits preheat glass melt for efficient fining and lower energy use.

Traction structures prevent platinum channel cooling flat tube collapse during warming by distributing tensile forces across the outer surface.

Positioning a transfer tube in the upper molten glass region prevents defective nodules from entering the product stream.

Spacer bricks and lintels resist thermal expansion to maintain gap width, allowing support block exchange at service temperature without cooling the forehearth.

Segmented lane supports with interchangeable U-shaped forks reduce changeover time and prevent parison fouling during production shifts.

Offset delivery pipe axis and conical top minimize stagnation in molten glass by ensuring consistent flow path.

A supplying tube with varying diameters stabilizes molten glass flow through an expanded transition section.

A sintered SiO2 composite casting compound forms a dense matrix that prevents gas permeation in glass production channels.

Phase-shifted alternating currents distribute power across multiple flanges, preventing overheating of electrical connections.

Alternating fuel and oxidizer lances in feeder channels provide uniform heating profiles for molten glass transport.

Adjustable stirrups and vented air injection resolve parison sliding and fouling, enabling rapid adaptation during production changes.

A glass melting process recovers residual heat from combustion fumes to preheat oxidants and fuels before they enter the melting chamber.

Segmented refractory metal vessels with arched insulation layers reduce stress from high operating temperatures, extending component life.

A movable support structure accommodates vertical expansion of a delivery vessel in glass manufacturing apparatuses.

A dual pipe feeding device with segmented inner and outer heaters controls glass liquid temperature distribution.

Material conveying structure penetrates refractory brick openings to deliver filling material directly to the flange root.

Closed sidewall heating enclosure manages molten glass viscosity and prevents contamination during transport.

A sintered aluminous product with beta-alumina and alpha-alumina phases resists molten glass.

A divided delivery tube system channels molten glass compositions over specific weir segments to form composite sheets with distinct material regions.

Segmented hot-end and feedstock subsystems reduce volumetric envelope while enabling rapid furnace replacement to minimize downtime.

High-velocity coolant flow through unobstructed plate passages dissipates heat while mitigating water hammer effects in vibratory slag transport.

Introducing humidified gas into the free volume above molten glass reduces bubble lifetime on the surface.

In situ self-casting and sintering of refractory blocks reduces joint degradation and improves corrosion resistance in molten glass feeder channels.

Curved conduit sections redirect molten glass away from the forming apparatus, preventing damage caused by unintended flow during drainage operations.

A programmed CNC system moves an oxygen-hydrogen torch along the inner surface to produce uniform vitrified layers, eliminating manual positioning variability.

A forehearth superstructure uses a Venturi block to extract fumes via cooling air flow.

A glass transfer pipe absorbs thermal expansion in the axis direction using a flanged end with lower creep strength, preventing stress on the main body.