Furnace Types TRIZ Cases

A method characterizes combustion in furnace partition lines by analyzing unburnt matter variations during sequential fuel injection shutdowns.

A stainless steel sheet achieves severe formability through precise chemical composition control.

A segmented heat treatment line buffers metal components between heating zones to maintain austenitizing temperature during production interruptions.

Controlled annealing forms fine retained austenite in cold-rolled steel sheets, preventing grain coarsening during processing.

Segmenting the heating cycle into two furnaces forms martensitic and bainitic zones in steel, reducing total heat treatment cycle time.

A nonmagnetic steel alloy with high manganese and controlled carbon achieves a single-phase austenite structure.

Precise alloying and controlled holding times prevent precipitate coarsening, maintaining 900°C tensile strength above 45 MPa while ensuring workability.

Optimized chemical composition balances yield stress with sulfide stress corrosion cracking resistance in H2S environments.

Projectile blasting removes adhered contaminants from heating furnace rolls without deforming the profile, preventing steel strip defects.

Substituting Ba and Y for AlN and MnS eliminates high-temperature purification needs, reducing iron loss and surface defects.

Controlled reheating below Ac1 transforms austenite to spheroidized pearlite, reducing softened heat affected zones that cause vibration.

Multi-step heat treatment refines carbide distribution in lead-free steel, enabling precise machining of small diameter wire.

A steel material with a ferrite and pearlite microstructure resists hydrogen-induced cracking in thick pressure vessel sections.

Optimizing ferrite phase volume fraction in low-nickel duplex steel resolves the trade-off between bolt corrosion resistance and production cost.

Water cooling, quenching, and tempering a specific steel composition to maintain 600 MPa yield strength at 350°C for steam injection.

V-Mo carbide precipitates trap hydrogen atoms in low-alloy steel to prevent embrittlement.

Segmented fast response heaters compensate for furnace thermal inertia, enabling rapid temperature adjustments and reducing material defects during processing.

A non-oriented electrical steel plate with controlled chemical composition and processing parameters.

Hydrogen reacts with oxygen in molten tin to form water vapor, preventing nozzle clogging from oxide particles.

Precise carbon and manganese control enables ultra-thin dual-phase steel to maintain high strength while reducing automotive weight.

Precise thermal processing of high carbon hot-rolled steel sheets resolves contradictions between mechanical homogeneity and stretch-flange formability.

Segmented cooling zones create martensitic and pearlitic transitions in railway wheels, eliminating abrupt structural stress at the running surface.

Optimized martensitic stainless steel balances strength and bending capacity by controlling ferrite volume fraction to improve crash energy absorption.

A hot-rolled steel sheet achieves high tensile strength through controlled polygonal ferrite microstructure and fine titanium precipitates.

Optimized Cr and Mo content in a thick-wall oil-well steel pipe achieves 827 MPa yield strength while maintaining sulfide stress cracking resistance.

Martensite-austenite, bainite, and ferrite phases balance strength and elongation to resolve fatigue limitations in deep well drilling.

A heat-treated steel material achieves high strength through controlled dislocation density and martensitic microstructure refinement.

Optimized bainitic microstructure balances yield strength with edge-crack resistance, resolving formability trade-offs in hot rolled flat products.

Cold drawing two-phase stainless steel pipes with Nb and Ti microalloys achieves targeted yield strength without aging treatment, reducing production costs.

Precipitate-forming alloying elements strengthen hot-rolled steel sheets during plating, eliminating material deterioration and complex annealing steps.

Varying injection hole areas and inclined arrangement in the coolant jacket equalize cooling rates for large steel workpieces.

Local laser heating decorates inorganic polymer ceramics at 600°C, preserving mechanical strength while cutting energy consumption.

Oblique burners and recirculated heated cooling gases reduce refractory damage and nitrogen oxide emissions in thermal treatment processes.

An annular workpiece quenching method uses an inner die to cool and restrain the workpiece before inserting it into an outer die.

Segmented preheating overcomes single-stage temperature limits to enable precise recrystallization control in grain-oriented silicon steel manufacturing.

Nickel addition shifts the peritectic point to eliminate grain boundary depressions, while high friction rolling prevents surface defects during production.

A multilayer electrical steel sheet uses a silicon concentration gradient to reduce high-frequency iron loss.

A quenching device uses a magnetic clutch to transmit torque from an external drive motor to an internal blower wheel.

Optimized steel chemistry enables induction hardening to resolve the trade-off between machinability and surface fatigue strength.

Direct-cast hardening produces 4.0 GPa surface hardness in low-carbon steel while maintaining toughness, eliminating complex alloying and heat treatment steps.

Fine precipitate distribution in Nb-Ti IF steel reduces in-plane anisotropy while maintaining room-temperature non-aging properties.

Segmented secondary air supply reduces heating gradients to prevent cracking in high-density anodes while maintaining complete combustion.

Single-phase bainite pipeline steel with controlled grain size.

Tangential gas injection creates a rotating fluid that disperses powdery materials, resolving thermal load erosion while ensuring complete oxidation.

Direct flame impingement burners heat cold rolled aluminium strips to eliminate temperature gradients and prevent surface damage during annealing.

Segmented clad layers isolate silicon particles from zinc-rich anodes, preventing cathodic corrosion in acidic exhaust condensate.

Precise thermal control optimizes martensite circularity to resolve the strength and ductility trade-off in automotive components.

Bending and flattening a stainless steel strip creates intergranular cleavage that simplifies razor blade separation without adding process complexity.

Sub-stoichiometric combustion in a direct flame heating section maintains high gas temperatures, reducing NOx emissions and fuel consumption.

Segmented fluid channels with proportional valves adjust local volume flows to prevent thermal deformations during quenching.