Atmosphere Furnace
High Temperature 1000C Hydrogen Vertical Quenching Furnace with 4 Inch Stainless Steel Tube
Item Number: TU-QF23
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Product Overview


This high-performance vertical quenching system is engineered for advanced material science research, specifically focusing on phase transition and microstructure analysis. By facilitating a rapid transition from high temperatures up to 1000°C into various quenching media, the equipment allows researchers to freeze high-temperature states with exceptional precision. The integration of a hydrogen-compatible environment makes it a specialized tool for reducing atmospheres, providing a versatile platform for metallurgy and advanced chemical processing.
The system is primarily utilized in industrial R&D and academic laboratories for the study of high-entropy alloys, shape memory materials, and advanced ceramics. Its vertical split design optimizes space and ergonomics, allowing for easier sample installation and maintenance compared to traditional horizontal setups. By targeting specific metallurgical outcomes, the unit serves as a critical asset for industries requiring rigorous control over thermal histories and quenching rates.
Confidence in operational reliability is built into every component of this equipment. From the double-layer steel structure that maintains a cool exterior to the integrated safety protocols for hydrogen handling, the system is designed to perform under demanding conditions. The robust engineering ensures consistent thermal profiles, repeatable quenching cycles, and long-term durability, positioning this unit as a foundation for high-stakes laboratory and pilot-scale heat treatment processes.
Key Features
- Automated Electromagnet Sample Release: The system features a sophisticated electromagnet release mechanism that facilitates instantaneous sample dropping into the quenching tank. This design eliminates the need for traditional cable-cut methods, preventing cable waste and ensuring a more consistent and repeatable quenching trigger for high-precision microstructure studies.
- Hydrogen-Safe Atmospheric Management: Equipped with an integrated Honeywell UL-approved gas detector, the unit provides real-time monitoring of hydrogen levels. The system is programmed to automatically shut off gas inlets and heating elements if a 20% Lower Explosive Limit (LEL) is detected, ensuring maximum operator safety during reducing atmosphere processes.
- Precision Vertical Split Architecture: The furnace body is designed with a vertical split configuration, allowing for rapid cooling of the tube itself and easy access for maintenance. This design also facilitates the vertical drop required for gravity-assisted quenching, minimizing the time delay between the heating zone and the quenching medium.
- Advanced PID Thermal Regulation: The 30-segment programmable temperature controller offers exceptional accuracy of ±1°C. It includes built-in auto-tune functions, overheating protection, and broken thermocouple alerts, enabling unattended operation while maintaining strict adherence to complex heating and dwelling profiles.
- High-Durability Stainless Steel Reaction Tube: Unlike standard quartz tubes, this unit utilizes a 4-inch OD stainless steel tube capable of withstanding the mechanical and thermal stresses of rapid quenching and hydrogen exposure. This material choice ensures a longer service life and better resistance to chemical interactions at elevated temperatures.
- Integrated Quenching and Media Control: The bottom of the system is connected via a manual gate valve to a high-capacity quenching media container. This configuration allows for the use of ice water or cooled oil, providing flexible cooling rates to meet specific material hardening or phase-retention requirements.
- Comprehensive Gas Flow Monitoring: A floating flowmeter (0-1000 ml/min) is installed on the gas outlet end, paired with a stainless steel tube for safe hydrogen burning. This allows for precise adjustment of gas flow rates, which is critical for maintaining atmospheric purity and thermal stability within the reaction chamber.
- Robust Safety Interlock Systems: A solenoid valve is integrated to automatically shut down the gas supply and heating power in the event of system failures or power interruptions, protecting both the sample and the facility infrastructure from potential hazards.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Phase Transition Analysis | Rapid quenching of alloy samples from 1000°C to study martensitic transformations and crystal structure changes. | Precise retention of high-temperature phases for accurate analysis. |
| Hydrogen Embrittlement Studies | Subjecting high-strength steels to hydrogen atmospheres at elevated temperatures followed by rapid cooling. | Controlled environment for testing material integrity in extreme conditions. |
| Superconductor Research | Thermal processing of superconducting ceramics in specialized atmospheres to optimize critical current density. | Homogeneous temperature distribution with rapid cooling to preserve delicate structures. |
| Shape Memory Alloys | Precise heat treatment and quenching of Nitinol and other SMAs to define transformation temperatures. | Consistent repeatability ensures uniform performance across multiple sample batches. |
| Aerospace Component Testing | Simulating the thermal cycles and rapid cooling seen in turbine environments for small-scale material coupons. | High-fidelity simulation of industrial quenching processes in a lab setting. |
| Nanomaterial Synthesis | Utilizing the 4-inch tube for CVD processes followed by rapid thermal quenching to lock in nanoparticle morphologies. | Versatile atmospheric control combined with high-speed cooling. |
| Nuclear Material R&D | Testing cladding materials and fuel simulants under specific thermal and gaseous conditions. | Enhanced safety features for handling volatile gases and high-value samples. |
Technical Specifications
| Parameter Category | Specification Details | Values for TU-QF23 |
|---|---|---|
| Model Identifier | Product Item Number | TU-QF23 |
| Heating Performance | Maximum Temperature | 1000°C (< 1 hour) |
| Continuous Working Temperature | 900°C | |
| Maximum Heating Rate | ≤ 20°C / min (Recommended ≤ 10°C / min) | |
| Electrical Data | Power Capacity | 3.0 KW |
| Operating Voltage | AC 208-240V Single Phase, 50/60 Hz | |
| Tube Specifications | Material | Stainless Steel (SS304/SS316 compatible) |
| Tube Dimensions | 101mm OD x 92mm ID x 1000mm L (4" x 40") | |
| Thermal Zone | Total Heating Zone Length | 440 mm |
| Constant Temperature Zone | 150 mm (±1°C), 200 mm (±5°C) | |
| Temperature Control | Controller Type | 30 programmable segments with PID Auto-Tune |
| Accuracy | ±1°C | |
| Thermocouple Type | K-type | |
| Communications | RS485 Port | |
| Safety Systems | Hydrogen Detection | Honeywell Sensepoint Gas Detector (UL Approved) |
| Alarm Threshold | 20% LEL (Lower Explosive Limit) | |
| Protective Features | Over-temperature alarm, solenoid gas shutoff, air-cooled case | |
| Quenching Mechanics | Release Type | Automatic Electromagnet Sample Release |
| Quenching Tank Dimensions | 400 x 400 x 200 H (mm) | |
| Connection Interface | 4" Gate Valve via CF-100 Adaptor | |
| Atmosphere Control | Flowmeter Range | 0 - 1000 ml/min |
| Vacuum Level | 0.05 Torr (dependent on vacuum pump quality) | |
| Structural Design | Furnace Orientation | Vertical Split Design |
| Exterior Temperature | < 65°C via double-layer air cooling | |
| Heating Elements | Element Material | Fe-Cr-Al Alloy doped by Mo |
Why Choose High Temperature 1000C Hydrogen Vertical Quenching Furnace
- Superior Engineering for Critical Safety: This system is specifically designed for hydrogen environments, integrating UL-approved gas detection and automatic failsafe mechanisms that surpass standard laboratory furnace safety protocols. Our commitment to operator safety ensures that complex reducing-atmosphere experiments can be conducted with peace of mind.
- Precision Quenching Dynamics: The electromagnet release mechanism represents a significant upgrade over traditional gravity-fed systems. It offers instantaneous, frictionless sample dropping, which is essential for achieving the extremely high cooling rates required for sensitive material phase studies.
- Exceptional Build Quality: Utilizing a double-layer steel structure and high-grade stainless steel reaction tubes, this unit is built to withstand the rigors of high-temperature operation and rapid thermal cycling. The air-cooled outer casing protects both the user and the surrounding lab environment from radiant heat.
- Flexible Customization and Integration: We provide optional recirculating moisture and oxygen purification systems for air-sensitive materials, along with PC-based control software for comprehensive data logging. This allows the furnace to be tailored to the specific needs of your R&D workflow.
- Proven Industrial Reliability: Our furnaces are trusted by leading research institutions and industrial firms worldwide. With CE certification and the option for NRTL/CSA compliance, this equipment meets the highest standards for performance and electrical safety in a professional setting.
Contact the THERMUNITS technical sales team today to request a quote or to discuss how we can customize this vertical quenching system for your specific research requirements.
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