Atmosphere Furnace

Controlled Inert Nitrogen Hydrogen Atmosphere Furnace

Item Number : KT-16AH

Price varies based on specs and customizations

Max. temperature: 1600℃
Heating element: Molybdenum wire
Temperature control accuracy: ±1℃

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Explore the Hydrogen Atmosphere Furnace: Details & Parts

Hydrogen atmosphere furnace detail 1 — The hydrogen atmosphere furnace is specially designed for sintering or annealing materials in a hydrogen environment or an inert gas environment. It uses alumina fiber as the furnace body material, molybdenum wire as the heating element, and a cooling water pipe is embedded in the sealing plate on the top of the furnace body to ensure the sealing of the instrument during operation. For materials that need to be sintered in an inert gas or reducing gas environment (such as fluorescent materials, titanium alloys, etc.), this electric furnace is a very good choice.

Hydrogen atmosphere furnace detail 2

Hydrogen atmosphere furnace detail 3

Double-shell structure: It adopts a double-layer shell structure with air cooling and water cooling systems to maintain the positive pressure inside the cavity up to 0.02MP and the negative pressure up to -0.1MP.

Flowmeter: The furnace body is equipped with two large-range flowmeters (N2:0~3.5L/minH2:0~3.5L/min). The float flowmeter can freely control the gas flow entering the furnace body.

Hydrogen safety device: The flame detector will automatically ignite. If ignition fails, the hydrogen gas inlet will be automatically cut off, the nitrogen gas inlet valve will be opened, and nitrogen gas will be forcibly charged to ensure the safety of the electric furnace.

Advanced Hydrogen Atmosphere Furnace by KINTEK

The KINTEK Hydrogen Atmosphere Furnace is a specialized heating device engineered for precise sintering or annealing of materials in a controlled hydrogen or inert gas environment, with temperatures adjustable up to 1600°C. Leveraging our exceptional R&D and in-house manufacturing, KINTEK provides diverse laboratories and industrial facilities with advanced high-temperature furnace solutions. This furnace embodies our commitment to quality, featuring a robust double-shell structure with integrated air and water cooling systems, high-purity molybdenum wire heating elements for uniform heating, and advanced safety mechanisms including automatic hydrogen tail gas ignition and pressure control systems.

Ideal for processing sensitive materials like optical materials and titanium alloys, this furnace ensures precise, safe, and efficient operation in reducing or inert gas atmospheres. Our extensive product line, including Muffle, Tube, Rotary Furnaces, Vacuum & Atmosphere Furnaces, and CVD/PECVD/MPCVD Systems, is complemented by our strong deep customization capability to precisely meet your unique experimental and production requirements.

Key Features for Optimal Performance and Safety

The Hydrogen Atmosphere Furnace is designed with cutting-edge features to provide precise environmental control and ensure operational safety during critical sintering or annealing processes. This furnace is particularly beneficial for materials requiring processing in a hydrogen or inert gas atmosphere.

Robust Double-Shell Structure with Advanced Cooling: Features a double-layer shell design with both air and water cooling systems. This maintains stable internal pressures from 0.02MPa (positive) to -0.1MPa (negative), crucial for optimal material processing.
High-Precision Gas Flow Control: Equipped with two large-range flow meters for nitrogen and hydrogen (each 0-3.5L/min), allowing for meticulous control over gas flow rates. This is vital for maintaining the desired atmospheric composition and achieving consistent, high-quality results.
Comprehensive Hydrogen Safety System: Prioritizing safety, the furnace includes an automatic hydrogen tail gas ignition system. If ignition fails, it automatically cuts off hydrogen supply, opens the nitrogen valve, and purges the furnace with nitrogen, preventing hazardous conditions.
Superior Heating with High-Purity Molybdenum Elements: Utilizes 99.99% pure molybdenum wire for its heating elements, ensuring uniform, efficient heating critical for high-quality sintering and annealing.
Wide Temperature Versatility: Offers an adjustable working temperature range from ambient up to 1600°C, accommodating a diverse array of materials and processes for both laboratory research and industrial applications.

Versatile Applications Across Industries

The Hydrogen Atmosphere Furnace is specialized equipment designed for various high-temperature processes requiring a meticulously controlled environment, particularly with hydrogen or inert gases. It is ideal for applications where preventing oxidation or other chemical reactions is crucial, ensuring the integrity and quality of processed materials.

Sintering of Advanced Materials: Perfect for consolidating powders into solid materials, especially for high-performance ceramics and metals that demand specific atmospheres to prevent oxidation.
Annealing Processes: Used for controlled heating and cooling of materials, particularly metals, to remove internal stresses, soften materials, or alter electrical properties.
Heat Treatment of Titanium Alloys: Essential for thermally processing titanium and its alloys in a controlled hydrogen or inert gas environment to enhance mechanical properties and prevent surface contamination.
Processing of Optical Materials: Highly useful for sintering and annealing optical materials like phosphors and other luminescent substances that need a clean, controlled atmosphere to maintain optical clarity and performance.
Research and Development: Widely employed in laboratories and research facilities for experiments involving high-temperature reactions in controlled atmospheres, aiding in the development of new materials and processes.
Manufacturing of Electronic Components: Critical for producing semiconductors and other electronic components that require precise temperature control and a clean environment for high performance and reliability.

Principle of Operation

Hydrogen atmosphere furnaces utilize a ceramic tube with leak-tight flanges to enable heat treatment up to 1600 °C in a hydrogen atmosphere. Prior to introducing hydrogen gas, the tube is flooded with inert gas for safety. The flooding tank system, pressurized with inert gas, purges remaining oxygen from the tube before heat treatment. The gas outlet system connects to an afterburner to combust outgoing hydrogen. Exothermic hydrogen atmospheres reduce surface oxides, improving the wetting properties and flow of filler material during brazing.

Advantages of KINTEK's Hydrogen Atmosphere Furnace

Choosing KINTEK's Hydrogen Atmosphere Furnace provides significant benefits, making it a superior choice for your high-temperature processing needs:

Enhanced Oxygen Exclusion: The pressurized environment and robust sealing ensure that oxygen cannot enter, providing a completely controlled atmosphere vital for sensitive processes and material integrity.
Maximized Reductive Power: The availability of more reactive hydrogen molecules, compared to partial pressure atmospheres, maximizes reductive power, crucial for processes requiring a strong reducing environment.
Versatility with Gas Mixtures: Offers the flexibility to use mixtures of inert gases (like nitrogen or argon) with hydrogen, retaining reducing capabilities while potentially optimizing operating and investment costs.
Advanced Safety and Reliability: Equipped with a fully automated flow controller and safety devices adhering to SIL2 standards. A hydrogen sensor at the top of the furnace provides immediate response to leaks, triggering a switch to inert gas and securing the system.
User-Friendly Operation: An intuitive touch panel interface simplifies operation and control, making the furnace accessible to users of varying technical expertise.
Adaptable to Your Needs: Can be adapted for different usable spaces and temperatures. Cold wall furnace options are available for requirements exceeding 1800 °C, showcasing our customization capabilities.
Superior Sealing Efficiency: A high-temperature-resistant silica gel seal ring on the furnace door ensures excellent sealing, allowing for vacuum creation and various other atmospheres, enhancing the furnace's versatility.

Technical Specifications

Standard Chamber Sizes Stocks
Furnace model		KT-16AH
Max. temperature		1600℃
Constant work temperature		1500℃
Vacuum pressure		0.1Mpa
Vacuum valve		Needle valve
Chamber material		Japan alumina fiber
Heating element		Molybdenum wire
Heating rate		0-20℃/min
Temperature sensor		B type thermal couple
Temperature controller		Touch screen PID controller
Temperature control accuracy		±1℃
Temperature uniformity		±5℃
Electric power supply		AC110-220V,50/60HZ
Chamber size (mm)	Effective volume (L)	Chamber size (mm)	Effective volume (L)
150x150x200	4.5	300x300x400	36
200x200x300	12	400x400x400	64
Customer design sizes and volume is accepted

Standard Temperature controlling	PID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired, current limiting resistor. 51 programmable segments for precise control of heating rate, cooling rate and dwell time. Built in PID Auto-Tune function with overheating & broken Thermocouple broken protection. Over temperature protection and alarm allows for operation without attendant
Optional of Temperature controlling	Software (Furnace can be operated by PC by installing a control software) Touch screen temperature controller
Furnace structure	Double layer steel casing with dual cooling fan, surface temperature below 60℃
Furnace door	Power cutting off when furnace door open
Warranty	For this hydrogen furnace, One year limited warranty with life time support. (Consumable parts such as heating elements and crucibles are not covered by the warranty, please order the replacement at related products) ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of One Year Limited Warranty.
Hydrogen Furnace Using Attentions	Cooling rate shall also not exceed 10℃/min. Toxic or explosive gases are not recommended for use with this furnace without necessary safety controls and supervision. Small cracks may appear on the surface of the refractory ceramics over extended use. This is a normal occurrence and the cracks may be repaired with alumina coating. Refractory door block must be inserted before closing door.

Tailor Your Furnace Solution with KINTEK

At KINTEK, we understand that unique experimental and production requirements demand tailored solutions. Our Hydrogen Atmosphere Furnace can be customized to meet your specific needs, from chamber size and temperature ranges to specialized control systems. Our team of experts is ready to discuss your application and help design the perfect furnace configuration for you.

Ready to enhance your high-temperature processes?

Contact us today to learn more about the Hydrogen Atmosphere Furnace, discuss your customization needs, or request a quote. Let KINTEK's expertise in advanced furnace technology empower your research and production.

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FAQ

What Is An Atmosphere Furnace Used For?

Atmosphere furnaces are widely used in material processing, metal processing, semiconductor manufacturing, solar cell production, optical materials, ceramics and glass industry, electronic material manufacturing, and research and development of new energy materials.

What Are The Key Features Of An Atmosphere Furnace?

The key features of an atmosphere box furnace include its ability to maintain a specific gas environment, such as inert gases (e.g., nitrogen, argon), reducing gases (e.g., hydrogen), or vacuum conditions, to prevent oxidation, contamination, or unwanted chemical reactions during heating. The furnace typically consists of a high-temperature-resistant box chamber, heating elements, and a gas supply system. Advanced models may include programmable temperature controllers, uniform heating zones, and safety interlocks to ensure operational reliability.

How Does An Atmosphere Furnace Work?

A tube furnace generates heat through a heat source and transfers this heat to the heated workpiece or medium via the furnace tube. This process provides stable and uniform heating suitable for various industrial applications. The principle of sintering involves heating materials to high temperatures below their melting points, causing particles to bond and form a solid structure. Heat and sometimes pressure are applied to compact and densify materials, enhancing their mechanical and physical properties.

What Are The Advantages Of Using An Atmosphere Furnace?

The advantages of an atmosphere furnace include strong environmental control capability by adjusting atmosphere components, lower cost compared to vacuum furnaces, and a wide range of applications suitable for various materials like metals and ceramics. Additionally, atmosphere tube furnaces offer precise temperature control, flexible atmosphere control, high heating efficiency, energy conservation and environmental protection, safe and reliable operation, wide applicability, and reasonable structural design.

What Types Of Gases Can Be Used In An Atmosphere Furnace?

An atmosphere furnace can maintain specific gas environments such as inert gases (e.g., nitrogen, argon), reducing gases (e.g., hydrogen), or vacuum conditions to prevent oxidation, contamination, or unwanted chemical reactions during heating.

What Safety Features Are Available In Advanced Atmosphere Furnaces?

Advanced atmosphere furnaces may include programmable temperature controllers, uniform heating zones, and safety interlocks to ensure operational reliability. A program-controlled atmosphere furnace includes a protection system that monitors critical parameters such as furnace temperature and oxygen content. In case of any abnormalities, the system can automatically shut down or trigger an alarm to protect both the furnace and the samples inside.

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