2026年10月22日
Steam Dewaxing Autoclave with high pressure steam PLC control quick opening door wax recovery and safe efficient ceramic shell dewaxing
Our Steam Dewaxing Autoclave delivers industry-leading dewaxing speed, shell integrity, and thermal efficiency for precision investment casting foundries worldwide. Designed as an advanced alternative to traditional burnout methods, this system eliminates shell cracking while maximizing pattern wax recovery.
High-Pressure Saturated Steam for Complete, Crack-Free Dewaxing
Rapid thermal transfer is critical in investment casting. Our system introduces high-pressure saturated steam in under 4 to 7 seconds, instantly melting the outer wax boundary layer before thermal expansion can fracture the ceramic shell.
Instantaneous Pressurization: Steam enters at full operational pressure (typically 0.6–0.85 MPa).
Zero Shell Thermal Shock: Saturated steam provides uniform heating, virtually eliminating green-shell cracking and rejection rates.
Complete Evacuation: Yields clean, residue-free ceramic cavities ready for firing.
Parameter
Standard Range
Advantage
Operating Pressure
0.6 – 0.9 MPa (6 – 9 bar)
Rapid wax shell separation
Steam Injection Speed
< 7 seconds to set pressure
Prevents wax expansion stress
Shell Rejection Rate
< 0.5%
Main Technical Parameters
Model: TL-1200-Z
Power Supply: 380V+220V/50Hz
Power Rating: 147kW
System Pressure: 0.8MPa
Working Pressure: 0.7–0.8MPa
Operating Temperature: 180℃
Inner Chamber Size: 1200×1400mm
Material Basket Dimensions: 1400×1030×200mm
Cold Furnace Heat-up Time: 80–100min
Single Dewaxing Cycle Time: 8–10min
Overall Dimensions: 3800×2200×2100mm
Weight: 4000kg
Minimizes mold scrap and rework
Quick-Opening Door with Safety Interlock — No Bolts, No Waiting
Production uptime relies on fast turnaround. Unlike traditional bolt-secured vessels, our autoclave features a pneumatically or hydraulically actuated quick-opening door mechanism.
Radial Locking Mechanism: Secures and seals the pressure door in seconds without manual bolting.
Mechanical & Pneumatic Interlocks: Prevents door opening whenever residual vessel pressure exceeds 0.02 MPa.
Fail-Safe Seal: Self-energizing lip seals expand under steam pressure to guarantee a leak-free operational cycle.
PLC Automatic Cycle: Pressurize → Hold → Depressurize → Drain
Every cycle is managed by a pre-programmed industrial PLC with an intuitive HMI touchscreen. The fully automated process guarantees batch-to-batch repeatability with push-button simplicity.
Pressurize: Rapid steam admission reaches target pressure within seconds.
Hold: Maintains temperature and pressure to liquefy the entire pattern assembly.
Depressurize: Controlled steam release prevents turbulence and structural damage to fragile shells.
Drain: High-speed bottom discharge channels molten wax into the recovery receiver.
Wax Recovery System Recycles Pattern Wax for Reuse
Sustainable manufacturing directly lowers operating overhead. The integrated wax recovery system collects high-purity pattern wax directly from the autoclave base.
Yield Efficiency: Recovers up to 90–95% of pattern wax for reconditioning.
Minimized Degradation: Low-residence-time steam contact prevents thermal oxidation, preserving original wax properties.
Direct Discharge: Connects smoothly to external wax-water separators and holding tanks.
Multiple Safety Devices: Safety Valve, Pressure Gauge, Over-Pressure Alarm
Operational safety is non-negotiable in pressurized steam environments. Our equipment complies with global pressure vessel certifications (including ASME Section VIII and CE/PED standards).
Dual Safety Relief Valves: Independent, high-capacity relief valves prevent over-pressurization.
Digital & Analog Pressure Monitoring: Dual instrumentation allows continuous electronic monitoring alongside physical pressure gauges.
Audible & Visual Alarms: Immediate notification triggers for over-pressure, cycle completion, and door-interlock status.
Emergency Steam Dump: Dedicated high-flow blowdown valve evacuates pressure instantly in critical scenarios.
Shell Carts/Racks Included for Easy Loading
Engineered for rugged foundry floor workflows, our steam dewaxing autoclave setups include customized handling fixtures to streamline loading and unloading.
Heavy-Duty Loading Racks: Fabricated from corrosion-resistant structural steel or stainless steel to withstand repeated thermal cycling.
Precision Track Alignment: Internal guide tracks mate directly with external transfer carts for fast, one-operator loading.
Maximized Chamber Utilization: Configured specifically for high-capacity batch runs, matching industrial setups such as the 1200 automatic de-waxing kettle configuration for medium to large-scale foundry operations.
English 
Russian 
German