Tube Furnace

Vertical Laboratory Quartz Tube Furnace Tubular Furnace

Item Number : KT-VTF

Price varies based on specs and customizations

Max. temperature: 1800℃
Temperature control accuracy: ±1℃
Furnace tube material: High grade Quartz/ Al2O3 alumina

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Product Details & Key Components

1. electrostatic spraying furnace body 2. heating chamber 3. 30-segment programmable PID control 4. heating tube

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Advanced High-Temperature Solutions by KINTEK

Leveraging exceptional R&D and in-house manufacturing, KINTEK provides diverse laboratories with advanced high-temperature furnace solutions. Our 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 unique experimental requirements.

KINTEK Vertical Tube Furnaces are precision-engineered laboratory equipment for high-temperature material processing under controlled atmospheric conditions. They feature a vertically oriented tube (often quartz or alumina) within a heating chamber, ensuring precise temperature control and uniform heat distribution. Operating on the principle of radiant heat transfer from surrounding heating elements (e.g., MoSi2 or SiC), our furnaces deliver efficient and consistent heating to the sample. This design allows for rapid heating and cooling, making them ideal for a multitude of research and industrial tasks.

Key Features & Advantages of KINTEK Vertical Tube Furnaces

Our Vertical Tube Furnaces are designed to offer versatility, precision, and safety for your demanding applications:

Versatile Experimental Setups: The vertical or sloped furnace chamber positioning allows for diverse experiments, including fluent bed heating, crystal pulling growth, quenching, and more.
Adaptable Mechanical Functions: Accommodates various sample manipulations such as hanging, pulling, spinning, and releasing, enhancing experimental flexibility.
Wide Operating Temperature Range: Capable of reaching maximum temperatures up to 1800℃, suitable for a broad spectrum of high-temperature processes.
Precision Temperature Control: PID programmable temperature control ensures excellent accuracy (±1℃) and stable heating. The VTF Pro model features a user-friendly touch screen controller for intuitive program setting, data analysis, and recipe management. Remote and centralized control options are available.
Durable Construction: Features a high-temperature corundum tube (corrosion-resistant, high transmittance, pressure-resistant up to 1700℃) and an alumina polycrystalline fiber hearth (high-temperature resistant, non-deforming, crack-resistant).
Enhanced Safety by Design:
- A double furnace shell design with forced air flow maintains a low furnace surface temperature.
- Comprehensive safety features include over-current protection and over-temperature alarming, automatically shutting off power if anomalies are detected.
- Built-in thermocouple detection system stops heating and triggers an alarm if the thermocouple breaks or fails.
Experiment Continuity: The power failure restart function (available on VTF Pro) allows the furnace to resume the heating program automatically once power is restored, safeguarding your experiments.
Customization: We offer specialized frock equipment customization to adapt the furnace to your specific experimental requirements. Contact us to discuss your custom needs.

Diverse Applications

KINTEK Vertical Tube Furnaces are versatile heating devices critical for a wide range of applications in various industries and laboratory settings, especially for processes requiring precise temperature control and operation under vacuum or controlled gas atmospheres:

Gas Quenching Tests: Rapidly cool samples from high temperatures to study material phase transitions and the effects of rapid cooling.
Heat Treatment: Perform annealing, tempering, and stress relieving to improve material properties like strength, hardness, and ductility.
Chemical Vapor Deposition (CVD): Deposit thin films on substrates via chemical reactions in a gaseous environment, essential in semiconductor manufacturing.
Crystal Growth: Grow high-quality crystals from molten or vapor phases for optics, electronics, and other advanced applications.
Materials Testing: Conduct thermal conductivity measurements, melting point determinations, and phase transition studies.
Other Key Processes:
- Sintering
- Brazing
- Calcination
- Ceramics processing
- Glassworking
- General laboratory research
- Powders processing

Technical Specifications

Our Vertical Tube Furnaces are available in standard and pro models, with options for customization:

Furnace model	KT-VTF	KT-VTF PRO
Temperature controller	Digital PID controller	Touch screen PID controller
Multi program preset	no	yes
Power failure restarting	no	yes
Max. temperature	1800℃
Furnace tube material	High grade Quartz/ Al2O3 alumina
Furnace tube diameter	50 / 60 / 80 / 100 mm
Heating zone length	300 / 450 / 600 / 800 mm
Vacuum sealing solution	SS 304 flange with solid copper seal ring
Rated vacuum pressure	0.001Pa/10E5 torr
Chamber material	Japan Al2O3 alumina fiber
Heating element	Cr2Al2Mo2 wire coil/SiC/MoSi2
Thermal couple	K /S/B type
Temperature control accuracy	±1℃
Electric power supply	AC110-220V,50/60HZ
Other furnace tube size and heating zone length can be customized

Standard Package & Customization Options

Each KINTEK Vertical Tube Furnace comes with a comprehensive standard package to get you started:

Standard Package

No.	Description	Quantity
1	Furnace	1
2	Alumina tube	1
3	Vacuum flange	2
4	Tube thermal block	2
5	Tube thermal block hook	1
6	Heat resistant glove	1
7	Operation manual	1

Tailor Your Furnace: Optional Setups

Enhance your furnace's capabilities with our range of optional setups, designed to meet specific experimental needs:

In-tube gas detection and monitoring (e.g., H2, O2).
Independent furnace temperature monitoring and recording.
RS 485 communication port for PC remote control and data exporting.
Insert gas feeding flow rate control (mass flowmeter, float flowmeter).
Upgrade to touch screen temperature controller with versatile operator-friendly functions (standard on VTF Pro).
High vacuum pump station setups (vane vacuum pump, molecular pump, diffusion pump).

KINTEK excels in deep customization. If your requirements go beyond these options, we are ready to develop a solution tailored for you.

Partner with KINTEK for Your High-Temperature Needs

Ready to advance your research or industrial processes with a KINTEK Vertical Tube Furnace? Our team of experts is dedicated to providing you with the optimal high-temperature solution, backed by robust R&D and manufacturing capabilities.

Whether you require a standard model or a fully customized system, we are here to assist. For detailed consultations, to discuss your unique experimental requirements, or to request a quote, please reach out to us.

Contact KINTEK Today to explore how our Vertical Tube Furnaces can meet your specific needs.

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FAQ

What Is A Vertical Tube Furnace?

A vertical tube furnace is a high-temperature heating device designed in a vertical orientation, offering precise temperature control, uniform heating, and efficient energy usage. Its vertical design is space-saving and particularly useful for processes that benefit from a vertical setup.

What Are The Common Applications Of A Split Tube Furnace?

Split tube furnaces are commonly used for material testing (such as tensile testing), pyrolysis of organic materials, chemical vapor deposition (CVD) for thin film deposition, graphitization of carbon-containing materials, and sintering of ceramics. These applications benefit from the precise temperature control and easy sample handling offered by split tube furnaces.

What Is A Tube Furnace And How Does It Work?

A tube furnace is a heating device that generates heat through a heat source and transfers this heat to the workpiece or medium via the furnace tube. It provides stable and uniform heating suitable for various industrial applications. The temperature control system monitors the furnace temperature using thermocouples or other sensors, feeding the signal back to the controller which adjusts the power output of the heating elements to maintain precise temperature control.

What Are The Applications Of A Vertical Tube Furnace?

Vertical tube furnaces are widely used in material testing, thermal processing, and chemical reactions requiring controlled heating and cooling rates. They are also used in chemical engineering for producing synthetic resins, rubber, paints, and dyes; in the food industry for baking, drying, and sterilization; and in metallurgy for smelting, melting, and heat treatment processes.

What Are The Key Features Of A Split Tube Furnace?

A split tube furnace typically offers options for 1, 2, 3, or 5 heated zones, with a heated length ranging from 200-600mm and a heated diameter of 40-100mm. It includes dual-layer forced air-cooling to ensure a safe case temperature and uses a heating coil as the heating source, capable of reaching temperatures up to 1200°C. The furnace is designed with a cylindrical tube split lengthwise, often in two halves joined with hinges and equipped with pneumatic dampening struts for smooth operation.

What Are The Main Applications Of Tube Furnaces?

Tube furnaces are widely used for gas quenching tests under vacuum or atmospheric conditions, heat treatment applications including syntheses and purifications, oxidation, diffusion, calcination, and thermal annealing of inorganic or organic compounds. They are also used in material testing, thermal processing, and chemical reactions where controlled heating and cooling rates are required. Vertical tube furnaces are particularly suitable for processes where samples need to be dropped into the furnace from the top.

What Are The Advantages Of A Vertical Tube Furnace?

Vertical tube furnaces offer several advantages, including a smaller footprint compared to horizontal furnaces, making them ideal for laboratories with limited space. They also provide efficient and energy-saving operation, precise temperature control, flexibility in use, ease of operation, safety, reliability, and compliance with environmental standards.

How Does A Split Tube Furnace Work?

A split tube furnace operates by generating heat through a heating coil, which then transfers this heat to the workpiece or medium inside the furnace tube. This process ensures stable and uniform heating, making it suitable for various industrial and laboratory applications. The furnace can be configured with multiple heated zones and includes features like forced air-cooling to maintain safe external temperatures.

What Are The Advantages Of Using A Tube Furnace?

Tube furnaces offer several advantages including mature technology, simple furnace structure, low power consumption, high thermal efficiency, ease of operation and control, continuous production capability, precise temperature control, uniform temperature distribution, and adaptability to different atmospheres. They also enable higher yield of products, high product concentration, and the ability to recover most cracked gas and flue gas. Multiple furnaces can be combined for large-scale production.

How Does A Vertical Tube Furnace Work?

A vertical tube furnace generates heat through a heat source and transfers this heat to the heated workpiece or medium via the furnace tube. This process ensures stable and uniform heating, making it suitable for various industrial applications.

What Are The Advantages Of Using A Split Tube Furnace?

The main advantages of a split tube furnace include simplified loading and unloading of samples or equipment, reduced operational downtime, and enhanced efficiency. The split design allows for quick access to the furnace chamber, which is particularly beneficial for applications requiring frequent changes or intricate experimental setups. Additionally, features like pneumatic dampening struts and multiple heating zones further improve usability and performance.

What Types Of Tube Furnaces Are Available?

There are various types of tube furnaces including laboratory quartz tube furnaces, split multi-heating zone rotary tube furnaces, multi-zone tube furnaces, high temperature tube furnaces (up to 1700°C), PECVD tube furnaces for thin film deposition, vacuum tube furnaces, and vertical tube furnaces. These come with different features like rapid heating, adjustable tilt, 360° rotation, customizable heating zones, and vacuum readiness to suit different applications.

What Types Of Vertical Tube Furnaces Are Available?

Vertical tube furnaces come in various types, including those with single or multiple heating zones, rapid thermal processing (RTP) capabilities, vacuum stations, and customizable solutions for specific lab needs such as CVD (Chemical Vapor Deposition) and PECVD (Plasma Enhanced Chemical Vapor Deposition).

What Temperature Can A Split Tube Furnace Reach?

A split tube furnace can reach a maximum temperature of 1200°C, making it suitable for high-temperature applications such as material synthesis, CVD, and sintering. The furnace uses a heating coil as the heat source and includes dual-layer forced air-cooling to maintain safe external temperatures during operation.

What Temperature Ranges Can Tube Furnaces Achieve?

Tube furnaces are available in various temperature ranges to suit different applications. Standard models typically reach up to 1200°C, while high-temperature models can achieve 1400°C to 1700°C. Some specialized models can even reach up to 2000°C. The temperature capability depends on the heating elements and furnace tube materials used (such as quartz or alumina).

Why Choose A Vertical Tube Furnace Over A Horizontal One?

A vertical tube furnace is chosen over a horizontal one primarily for its space-saving design and the ability to benefit from gravity-assisted processes. The vertical setup can aid in even heat and material distribution, making it ideal for specific experiments or manufacturing processes.

Why Is The Split Design Beneficial In A Tube Furnace?

The split design in a tube furnace is beneficial because it allows for quick and easy access to the furnace chamber. This design, often featuring two hinged halves with pneumatic dampening struts, simplifies the handling of complex setups or large samples, reduces operational downtime, and enhances overall efficiency, especially in applications requiring frequent changes or intricate configurations.

Can Tube Furnaces Operate Under Different Atmospheres?

Yes, tube furnaces are versatile and can operate under various atmospheres including air, inert gases (like argon or nitrogen), vacuum, and specialized gas mixtures. This makes them suitable for a wide range of processes including oxidation, reduction, annealing, and chemical vapor deposition (CVD). Many models come with vacuum-ready designs and gas control systems for precise atmosphere management.

What Temperature Ranges Can Vertical Tube Furnaces Achieve?

Vertical tube furnaces can achieve high temperatures, typically up to 1800°C, depending on the model and configuration. They are designed for precision heating and can be customized to meet specific temperature requirements for various applications.

What Makes KINTEK Tube Furnaces Special?

KINTEK tube furnaces stand out for their precision temperature control (with some models offering rapid heating up to 100°C/sec), customizable heating zones (from 1 to 10 zones), vacuum-ready designs, and safety certifications. They offer versatile solutions for advanced applications like material synthesis, CVD, sintering, and semiconductor research, with options for rotary mechanisms, split chambers, and plasma-enhanced configurations.

Are Vertical Tube Furnaces Customizable?

Yes, vertical tube furnaces are highly customizable. They can be tailored with features such as multiple heating zones, rapid heating capabilities, vacuum systems, and specific atmosphere controls to meet the unique needs of different research and industrial applications.

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