Tube Furnace
1400℃ Laboratory High Temperature Tube Furnace with Alumina Tube
Item Number : KT-TF14
Price varies based on specs and customizations
- Max. temperature
- 1400℃
- Constant work temperature
- 1300℃
- Furnace tube diameter
- 30 / 40 / 60 / 80 / 100 mm
- Heating zone length
- 300 / 450 / 600 / 800 mm
- Heating zone quantity
- 1-10 zones
- Heating rate
- 0-10 ℃/min
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Introduction
The tube furnace with alumina tube is a piece of laboratory equipment designed for high-temperature applications up to 1400°C. It is commonly used in a variety of processes in research and industrial settings, such as material synthesis, chemical vapor deposition, vacuum sintering and heat treatment. The heating elements, typically made of silicon carbide (SiC), are arranged in the furnace insulation layer outside the alumina tube. The high-purity alumina ceramic tube serves as the central reaction chamber, holding samples and experimental atmospheres while providing excellent thermal stability, high temperature resistance, and resistance to acids and alkalis.
Applications
The 1400℃Tube Furnace with Alumina Tube is a versatile instrument designed for precise high-temperature processing. Its chemically inert tube and uniform heating zones make it an essential tool for the following industries:
Material Science Research: Ideal for the synthesis and characterization of advanced materials, including ceramics, nanomaterials, composites, and refractory materials. Common processes include sintering, annealing, and phase transition studies.
Metallurgical & Powder Metallurgy: Essential for the heat treatment of metallic powders, enabling the development and quality control of new metal alloys. Key applications include reduction of metal oxides and vacuum sintering.
Coal & Energy Analysis: Used for the precise determination of ash content, volatile matter, and sulfur content in coal samples under controlled atmospheres, ensuring compliance with industrial standards.
Chemical & Glass Industry: Employed in the melting, softening, and composition analysis of glass and ceramic materials. It is also widely used for catalyst preparation and activation.
Pharmaceutical & Chemical Engineering: Supports the calcination of catalyst supports, purification of active ingredients, and ash determination of pharmaceutical raw materials.
Detail & Parts
Features
Tube furnaces with alumina tubes are ideal for applications requiring relatively small workspaces and features such as multiple zones, independently controlled. Alumina tubes are required for high-temperature operation, but they are subject to thermal shock. The smaller the diameter of the process tube, the better. KINTEK manufactures tube furnaces for operating temperatures up to 2000 degrees centigrade. In addition to vertical and horizontal tube models, we offer a bottom-loading vertical tube and combination units that allow the tube to be placed either vertically or horizontally. Water-cooled end caps and gas mixing systems are optional.
- Compact design, small footprint, versatile functions
- Double furnace shell design, forced air flow between the inner and outer shell, so as to keep a low temperature of the furnace surface
- PID programmable temperature control, excellent control accuracy and stable heating performance, support remote control and centralized control
- High purity alumina tube with excellent acid and alkali resistance and high working temperature, long service life and lower investment
- Stainless steel vacuum flange with various adapting port to meet different vacuum pump station setup, good sealing and high vacuum pressure
- KT-TF14 Pro applies one 5 inches TFT touch screen controller, more friendly program setting and history data analysis, different program recipes can be saved and select
Principle
The 1400°C Alumina Tube Furnace utilizes Silicon Carbide (SiC) as its core heating elements. Upon energization, electrical energy is converted into thermal energy, which is transferred to the central alumina tube reaction chamber via thermal radiation and conduction. Supported by a PID temperature control system for real-time monitoring and precise regulation, the furnace establishes a stable and controllable high-temperature experimental environment within the chamber.
Advantages
- Compact design and small footprint: The tube furnace's compact design makes it easy to fit into even the most space-constrained laboratories. Its small footprint ensures that it will not take up valuable bench space.
- Versatile functions: The tube furnace can be used for a wide range of applications, including high-temperature pyrolysis, composition analysis, and related heating treatment work. This versatility makes it a valuable asset to any laboratory.
- Double furnace shell design: The double furnace shell design helps to maintain a low temperature on the furnace surface, even when the furnace is operating at high temperatures. This safety feature helps to protect users from burns and other injuries.
- PID programmable temperature control: The PID programmable temperature control provides excellent control accuracy and stable heating performance. This ensures that the furnace will maintain the desired temperature, even under varying conditions.
- High purity alumina tube: The high purity alumina tube is resistant to acids and alkalis, and it has a long service life. This makes it an ideal choice for use in high-temperature applications.
- Stainless steel vacuum flange: The stainless steel vacuum flange has various adapting ports to meet different vacuum pump station setups. This versatility makes it easy to connect the furnace to a variety of vacuum systems.
- KT-TF14 Pro touch screen controller: The KT-TF14 Pro applies one 5 inches TFT touch screen controller, which makes it easy to set programs and analyze data. Different program recipes can be saved and selected, making it easy to repeat experiments.
Features
The Tube Furnace with Alumina Tube is a sophisticated electric heating device designed for high-precision temperature control and material processing. This furnace is equipped with an alumina tube, which is renowned for its exceptional thermal and chemical properties, making it ideal for a variety of high-temperature applications across different industries. Here are the key features that make this furnace a standout choice for researchers and industrial users:
- High Purity Alumina Tube: The furnace features a tube made of high-purity alumina (Al2O3 > 99%), which offers excellent chemical resistance. This ensures that the furnace can handle a wide range of materials without degradation, making it suitable for both laboratory and industrial settings.
- Extreme Temperature Resistance: With the ability to operate continuously at temperatures up to 1600°C and withstand short-term spikes up to 1800°C, the alumina tube provides a stable environment for high-temperature processes. This makes the furnace ideal for applications that require extreme heat, such as metallurgical testing and chemical analysis.
- Rapid Heat and Cold Resistance: The alumina tube is designed to resist thermal shock, meaning it can withstand rapid changes in temperature without cracking or breaking. This feature is crucial for processes that involve heating and cooling cycles, ensuring the longevity and reliability of the furnace.
- Acid and Alkali Resistance: The furnace's alumina tube is highly resistant to both acidic and alkaline substances, which is essential for processes involving corrosive materials. This resistance ensures that the furnace can maintain its structural integrity and performance over time, even under harsh chemical conditions.
These features collectively enhance the versatility and durability of the Tube Furnace with Alumina Tube, making it an indispensable tool for industries requiring precise temperature control and reliable material testing capabilities.
Safety Advantage
- KINTEK Tech tube furnace owns over current protection and over temperature alarming function, furnace will turn off the power automatically once over current detected
- Furnace build in thermal couple detecting function, furnace will stop heating and alarm will be on once thermal couple broken or failure detected
- TF1400 Pro support power failure restarting function,furnace will resume the furnace heating program when power is incoming after failure
Technical specifications
| Furnace model | KT-TF14 | KT-TF14 Pro |
|---|---|---|
| Temperature controller | Digital PID controller | Touch screen PID controller |
| Multi program preset | no | yes |
| Power failure restarting | no | yes |
| Max. temperature | 1400℃ | |
| Constant work temperature | 1300℃ | |
| Furnace tube material | High grade Al2O3 alumina | |
| Furnace tube diameter | 30 / 40 / 60 / 80 / 100 mm | |
| Heating zone length | 300 / 450 / 600 / 800 mm | |
| Heating zone quantity | 1-10 zones | |
| Vacuum sealing solution | SS 304 flange with O ring | |
| Rated vacuum pressure | 0.001Pa/10E5 torr | |
| Rated positive pressure | 0.02Mpa/150 torr | |
| Chamber material | Japan Al2O3 alumina fiberr | |
| Heating element | Silicon Carbide | |
| Heating rate | 0-10℃/min | |
| Temperature sensor | S type thermal couple | |
| Temperature control accuracy | ±1℃ | |
| Temperature uniformity | ±5℃ | |
| Electric power supply | AC110-220V,50/60HZ | |
| Other Al2O3 alumina tube size and heating zone length can be customized | ||
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 |
Optional Setup
- In tube gases detecting and monitoring,like H2, O2 and so on
- Independent furnace temperature monitoring and recording
- RS 485 communication port for PC remote control and data exporting
- Insert gases feeding flow rate control,like mass flowmeter and float flowmeter
- Touch screen temperature controller with versatile operator friendly functions
- High vacuum pump station setups, like vane vacuum pump,molecular pump,diffusion pump
Warnings
Operator safety is the top important issue! Please operate the equipment with cautions. Working with inflammable& explosive or toxic gases is very dangerous, operators must take all necessary precautions before starting the equipment. Working with positive pressure inside the reactors or chambers is dangerous, operator must fellow the safety procedures strictly. Extra caution must also be taken when operating with air-reactive materials, especially under vacuum. A leak can draw air into the apparatus and cause a violent reaction to occur.
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FAQ
What Is A Tube Furnace?
Laboratory tube furnace is one classic external heating high temperature tube furnace, also named hot wall heating furnace.
According to the different working temperature, furnace tube material usually can be transparent quartz tubes, high purity alumina ceramic tubes and high strength metal alloy tubes.
To meet different thermal researching purposes, tube furnace can be designed with multi heating zones, so as to have a flexible control of temperature gradient in the tube working chamber; furnace tube can work with a controlled atmosphere working environment or a high vacuum working environment.
How Does A Tube Furnace Work?
Tube furnace heating elements are placed surrounding the cylindrical cavity, furnace can only heat the samples in the cylindrical cavity through indirect thermal radiation, since furnace tube can prevent sample material from contacting with furnace heating elements and insulation materials, so tube furnace creates a clean isolated heat chamber and reduce risks of the sample material contaminating by the furnace.
What Is A Rotary Tube Furnace?
What Is The Application For Tube Furnace?
Tubular furnace is mainly used in metallurgy, glass, heat treatment, lithium anode and cathode materials, new energy, abrasives and other industries, and is a professional equipment for measuring materials under certain temperature conditions.
Tube furnace features simple structure, easy operation, easy control and continuous production.
Tube furnace is also widely applied in the CVD (chemical vapor deposition) and plasma enhanced CVD systems.
How Does A Rotary Tube Furnace Work?
How Many Different Types Tube Furnace?
Tube furnace can work with different mechanical functions smoothly, so there are many different types tube furnace variations for different experiment purposes, typical furnace furnaces are as below:
- Horizontal tube furnace
- Vertical tube furnace
- Split tube furnace
- Rotary tube furnace
- Tilting tube furnace
- Sliding tube furnace
- Fast heating and cooling tube furnace
- Continuous feeding and discharging tube furnace
What Are The Advantages Of A Rotary Tube Furnace?
What Is The Function Of Rotary Tube Furnace?
What Are The Advantages Of Using A Tube Furnace?
What Are The Advantages Of Rotary Tube Furnace?
What Safety Precautions Should Be Taken When Using A Tube Furnace?
4.9 / 5
Incredible delivery speed! Ordered and it arrived faster than some lab supplies. The build quality is immediately apparent, a true workhorse for our research.
4.8 / 5
The PID control is phenomenal. Such precise temperature stability for advanced material synthesis. A technological marvel that's surprisingly easy to use.
4.7 / 5
Unbeatable value. The compact design saves precious bench space without sacrificing performance. The alumina tube's durability is impressive.
5.0 / 5
The 5-inch touchscreen is a game-changer. Programming complex heating cycles is intuitive. This furnace has revolutionized our catalyst testing workflow.
4.8 / 5
Handles thermal shock like a champion. Rapid heating and cooling cycles haven't phased the alumina tube. Exceptional durability for the price point.
4.9 / 5
The vacuum flange system is brilliantly designed. Achieved high vacuum effortlessly. A robust and reliable piece of equipment for serious labs.
4.7 / 5
Perfect for our powder metallurgy work. The uniform heating zone ensures consistent results batch after batch. A smart investment that pays for itself.
4.9 / 5
The acid/alkali resistance is a lifesaver. We process corrosive samples daily with no degradation. This furnace is built to last and perform.
4.8 / 5
Safety features are top-notch. The over-temperature protection gives us complete peace of mind during long, unattended sintering runs.
4.8 / 5
Versatility is its middle name. From glass analysis to nanomaterials, it handles everything we throw at it. A cornerstone of our lab.
4.7 / 5
The double-shell design really works. The exterior stays remarkably cool, making the lab a much safer environment. Brilliant engineering.
4.9 / 5
Set up was a breeze. The documentation was clear, and we were running experiments within hours of unboxing. Flawless out-of-the-box experience.
4.8 / 5
Exceeded all expectations. The temperature uniformity across the tube is superb, leading to highly reproducible experimental data.
4.9 / 5
A masterpiece of lab engineering. The combination of high temperature capability, precise control, and robust construction is simply unmatched.
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