Products Thermal Equipment Rotary Furnace Split multi heating zone rotary tube furnace
Split multi heating zone rotary tube furnace

Rotary Furnace

Split multi heating zone rotary tube furnace

Item Number : KT-MRTF

Price varies based on specs and customizations


Max. temperature
1600 ℃
Constant work temperature
1100-1500 ℃
Rotary speed
0-20 rpm
Tilting angle
-5-30 degree
Furnace tube diameter
30 / 40 / 60 / 80 / 100 / 120 / 150 / 230 / 280 mm
Single heating zone length
300 / 450 / 600 / 800 mm
Heating zones quantity
2-8 zones
ISO & CE icon

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Introduction

Split Multi Heating Zone Rotary Tube Furnace is a high configuration rotary furnace with 2-8 independent heating zones, each with its own thermal controller for superior temperature control. It features rotating and tilting functions, with stepless speed regulation and adjustable tilting angle. The furnace can operate under both vacuum and controlled atmosphere environments, making it ideal for various applications such as calcination, drying, high temperature reaction, heat treatment, and pyrolysis. Its advantages include uniform temperature distribution, energy efficiency, precise thermal control, user-friendly interface, and customizable design options.

Applications

Multi zone rotary tube furnaces are widely used in various industries and research fields due to their versatility and ability to provide precise temperature control and uniform heating. Some of the main application areas include:

  • Material processing: Calcination, drying, heat treatment, carbonization, sintering, and high-temperature pyrolysis of various materials, such as positive and negative electrode materials for lithium-ion batteries, rare earth materials, chemical catalytic materials, magnetic materials, powder metallurgy materials, nonferrous metal materials, and powder or granular materials of kaolin non-metallic mineral materials.
  • Chemical reactions: High-temperature reactions involving gases, liquids, or solids, such as chemical vapor deposition (CVD), physical vapor deposition (PVD), and thermal decomposition.
  • Materials characterization: Thermal analysis techniques, such as thermogravimetric analysis (TGA) and differential thermal analysis (DTA), to study the thermal behavior and properties of materials.
  • Quality control: Testing and evaluation of materials for their thermal stability, reactivity, and other properties.
  • Research and development: Investigating new materials, processes, and technologies in various fields, such as materials science, chemistry, and engineering.

Detail & Parts

Heating chamber
Heating chamber
Split multi heating zone rotary tube furnace details
This inclined rotary tube furnace is a rotary tube furnace with alumina tube and 30-segment temperature controller. It is an excellent furnace for sample annealing, diffusion and sintering in various gas atmospheres up to 1150°C. It can also be used for uniform drying and calcination of materials. The furnace body can be tilted 30 degrees, and the furnace tube can be rotated 360 degrees. According to needs, it can be made into multiple temperature zones.
  • Intelligent 50-segment programmable automatic temperature control.
  • The heating rate is 0~20°C/min. Temperature control accuracy ± 1 ℃.
  • The top-opening furnace cover design can observe the heating materials in real time.
  • The furnace body can be tilted at an adjustable angle from 0 to 30 degrees, which is convenient for loading and unloading.
  • The speed of the furnace tube is 3~7 rpm (reversible). When rotating, the material is fully turned over and heated evenly.
  • It has safety operation functions such as opening the door and power off, over-temperature alarm, and leakage protection.
High-quality ceramic fiber hearth / Intelligent PID temperature control instrument: with program function, can set temperature rise

Curve, 30 program periods can be programmed.

Principle

The split multi heating zone rotary tube furnace is a high-configuration rotary furnace equipped with 2-8 independent heating zones, each with its own thermal controller, providing superior temperature control for both uniform thermal fields and large temperature gradient differences. The furnace tube rotates and tilts, with stepless speed regulation and adjustable tilting angle. Lifting plates can be added inside the furnace tube to prevent material hardening and uneven heating, while a middle big belly type furnace tube can also be designed to improve heating results. Excellent sealing technology allows the furnace to operate under both vacuum and controlled atmosphere environments. This makes it an ideal furnace for laboratory calcination and drying tasks of positive and negative electrode materials of lithium-ion batteries, as well as high-temperature reaction, heat treatment, carbonization, sintering, and high-temperature pyrolysis for various materials.

Advantages

  • Multi independent heat zone, a better uniform temperature and gradient:** Each heating zone owns one thermal controllers, which can get a superior temperature control, either for a uniform thermal field or a big temperature gradient difference
  • Superior heating and insulating material, long service life and energy saving:** The inner heating element adopts high-quality resistance wire, which has a long service life and good thermal insulation performance, and can effectively save energy consumption
  • PID intelligent thermal control, accurate heating and excellent thermal uniformity:** PID intelligent thermal control system, precise temperature control, small temperature fluctuation, high temperature control accuracy
  • 7 inches TFT touch screen controller, more friendly program setting and historical data analysis:** 7-inch TFT true color touch screen, friendly human-computer interaction interface, easy to operate, can store multiple groups of heating programs, and can display historical temperature curves
  • Scientific rotating system design, stable working and wide range stepless speed regulated:** The rotating system adopts frequency conversion motor, stepless speed regulation, stable operation, low noise, and can adapt to different experimental requirements
  • Electric drive tilting with wide adjustable inclination angle, flexible control material movement:** Electric drive tilting mechanism, the inclination angle can be adjusted within a certain range, and the material movement can be flexibly controlled
  • Unique stable and dynamic vacuum sealing technology, both vacuum and controlled atmosphere working environment are available:** Unique stable and dynamic vacuum sealing technology, which can realize both vacuum and controlled atmosphere working environment, and can meet the experimental requirements of different atmospheres
  • Whole variety of custom design options to build up an exclusive rotary tube furnace for your researching job:** We can provide customized design services according to customer requirements, such as adding lifting plates, middle big belly furnace tubes, etc., to meet the special experimental requirements of customers

Technical specifications

Furnace model KT-MRTF12 KT-MRTF14 KT-MRTF16
Max. temperature 1200℃ 1400℃ 1600℃
Constant work temperature 1100℃ 1300℃ 1500℃
Heating rate 0-20℃/min 0-10℃/min
Furnace tube material Quartz/Metal alloys Al2O3/Si3N4
Rotary speed 0-20rpm
Tilting angle -5-30 degree
Furnace tube diameter 30 / 40 / 60 / 80 / 100 / 120 / 150 / 230 / 280 mm
Single heating zone length 300 / 450 / 600 / 800 mm
Heating zones quantity 2-8 zones
Vacuum sealing solution SS 304 flange with O ring
Chamber material Japan alumina fiber
Heating element Cr2Al2Mo2 wire coil SiC MoSi2
Temperature sensor  K type S type B type
Temperature controller Digital PID controller/Touch screen PID controller
Temperature control accuracy ±1℃
Electric power supply AC110-220V,50/60HZ
Different tube material and size and heating zone length can be customized

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.

Designed for You

KinTek provide deep custom made service and equipment to worldwide customers, our specialized teamwork and rich experienced engineers are capable to undertake the custom tailoring hardware and software equipment requirements, and help our customer to build up the exclusive and personalized equipment and solution!

Would you please drop your ideas to us, our engineers are ready for you now!

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.

What is a rotary tube furnace?

A rotary tube furnace is a circular furnace that rotates during heat-treatment. It is designed to heat loose materials for physiochemical processing and is used for continuous materials processing. These furnaces feature a metal drum lined with refractory, which is mounted at an angle and can burn pulverized, solid, gaseous or liquid fuel into its working section. Rotary tube furnaces have a wide range of applications, including the manufacturing of materials such as alumina, vermiculite, iron ore pellets and cement clinker, as well as for oxidation and calcination processes.

What types of materials can be processed in a rotary furnace?

Rotary furnaces can process a wide range of materials, including ores, minerals, metals, chemicals, and waste materials. They are commonly used for processes such as calcination, drying, roasting, and thermal decomposition. For example, rotary furnaces are utilized in the cement industry for clinker production, in the metallurgical industry for smelting and refining operations, and in the chemical industry for the production of catalysts or chemical reactions requiring heat treatment. The versatility of rotary furnaces allows them to handle different material forms, such as powders, granules, and bulk solids, making them suitable for various applications across multiple industries.

What is electric rotary kiln?

Electric rotary kiln is a type of rotary kiln that uses electricity as its heating source to indirectly heat materials in the kiln body. It is commonly used for high-temperature oxidation and reduction reactions, calcination of granular or powder materials, and other industrial applications. The temperature of the kiln can reach up to 1100℃, and it is widely used for the calcination and drying of various materials, including positive and negative electrode materials, rare earth materials, magnetic materials, and non-metallic mineral materials. Its advantages include high-speed electric heating, energy efficiency, and environmental friendliness.

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.

How does a rotary tube furnace work?

A rotary tube furnace is a circular furnace that rotates during heat-treatment. It burns fuel and the heating gases created flow towards the sample. The furnace features a metal drum lined with refractory, mounted at an angle. Loose materials are heated for physiochemical processing and the heat is transferred from a heat source to a rotating tube which holds the sample. Rotary tube furnaces are designed for continuous materials processing and have multiple thermal control zones. They have a wide range of applications, including the manufacture of alumina, vermiculite, iron ore pellets, and cement clinker.

What are the rotary furnace types?

The rotary furnace types include rotary and tilting furnaces which have the ability to rotate and tilt, allowing for uniformity in drying and coating applications. KINTEK furnaces increase efficiency by offering multi-zone heating options, utilizing alumina fiber for refractory linings, and using temperature controllers. These furnaces are suitable for continuous processing and batch operations. Additionally, they can be opened up to use different tubes or reactors. The galvanized coating covered epoxy painted structure provides a longer lifetime and aesthetics. Overall, the rotary and tilting furnaces are popular for materials production, drying, aging, and oxidation processes.

How does a electric rotary kiln work?

An electric rotary kiln works by gradually heating materials, such as minerals and ores, to very high temperatures using electricity as its power source. The kiln consists of a body, discharging device, electric heating device, and control unit. The electric heating device heats the surrounding environment of the materials in the kiln, and the temperature is monitored by a thermocouple. The kiln body has a certain inclination angle, with the feed end at a higher position than the discharge end. As the material rotates with the furnace tube, it passes through various temperature zones before being discharged.

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.

What are the advantages of a rotary tube furnace?

The advantages of a rotary tube furnace include improved gas diffusion, reduced gas consumption, increased heat treatment efficiency, and improved product homogeneity. These furnaces provide an efficient way to transfer heat over a short time and continuously run batches of materials. Rotary tube furnaces can be custom designed for specific requirements, including temperature control, workspace size, residence time, tube rotation rate, and atmosphere flow rate. When choosing a tube for a rotary tube furnace, key points to consider include rotational speed, amount of material, tube diameter, suspended length, and tube thickness.

What is the function of rotary tube furnace?

The function of a rotary tube furnace is to heat loose materials for physiochemical processing. The furnace features a rotating tube that holds the sample and applies heat in multiple thermal control zones. Heating gases created by burning fuel flow towards the sample through the furnace. Rotary tube furnaces are used for manufacturing materials such as alumina, vermiculite, iron ore pellets, and cement clinker, as well as for oxidation and calcination processes. These furnaces can be made of ceramic, quartz, or high-temperature alloy and can be built with a wide temperature range for various applications.

What are the advantages of rotor furnace?

Rotary tube furnaces offer several advantages over static processes. The continuous movement of the sample ensures that the entire surface area is exposed to the atmosphere during processing which improves gas diffusion, reduces gas consumption and increases heat treatment efficiency. Additionally, the material is continuously passed through a hot furnace that is maintaining a consistent temperature profile, improving product homogeneity. Rotary furnaces also offer significant advantages of throughput and energy efficiency over other forms of continuous, high temperature equipment, making them the latest technology for high-temperature processing of powdered materials.

What are the advantages of electric rotary kiln?

The advantages of electric rotary kiln include high thermal efficiency, no smoke, ash, or slag, easy automatic control of conditions, high kiln temperature control accuracy, and avoidance of corrosion and environmental pollution problems. Electric rotary kilns use clean electricity and do not require fuel storage or transportation stations. They are suitable for narrow pre-firing temperature processes and can be used for various materials, including positive and negative electrode materials, rare earth materials, chemical catalytic materials, and non-metallic mineral materials. The electric rotary kilns by KinTek feature high-speed electric heating, intelligent PID thermal control technology, and excellent dynamic sealing technology for inert gas protection.

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 rotary tube furnace?

Rotary tube furnaces offer efficient heat transfer over a short period, continuously processing batches of material while minimizing material handling. The furnace's continuous movement exposes the entire sample surface to the atmosphere, improving gas diffusion and reducing gas consumption to increase heat treatment efficiency.

What is the efficiency of a rotary furnace?

Rotary tube furnaces are highly efficient in transferring heat over a short period of time while continuously running batches of materials. They also minimize material handling, making them ideal for powder processing. KINTEK offers custom-designed rotary tube furnaces that can be built to specific requirements for maximum temperature control, workspace size, residence time, tube rotation rate, tube inclination angle, temperature profile, atmosphere flow rate, powder bed depth, and feed rate. When choosing a tube for the furnace, key considerations include rotational speed, amount of material, tube diameter, suspended length, and tube thickness. The choice of tube material should also be based on potential applications.

what can electric rotary kiln be used for?

Electric rotary kiln, also known as rotary kiln electric furnace, is used for high-temperature oxidation and reduction reactions, and for calcining granular or powder materials. It is widely used in industries such as rare earth materials, nonferrous metal materials, chemical catalytic materials, powder metallurgy materials, and kaolin non-metallic mineral materials.

What are the advantages of using a tube furnace?

Tube furnaces offer several advantages for high-temperature applications. Firstly, they provide precise and uniform temperature control, allowing for accurate and repeatable heating processes. This is crucial for materials research and heat treatment applications where temperature consistency is essential. Secondly, tube furnaces have a compact design, making them suitable for use in limited laboratory or industrial spaces. They are also versatile and can accommodate a wide range of sample sizes and shapes. Additionally, tube furnaces are energy-efficient, as they typically have good insulation and can reach high temperatures quickly. Some models also offer programmable temperature profiles, allowing for automated heating and cooling cycles. Overall, tube furnaces enable efficient and controlled high-temperature processes in various scientific and industrial fields.

Can a rotary furnace be used for continuous production?

Yes, rotary furnaces can be used for continuous production depending on the specific application and process requirements. Continuous operation is achieved by feeding materials into the furnace at a controlled rate while maintaining a steady rotation speed. This allows for a continuous flow of processed materials out of the furnace. Rotary furnaces are often utilized in industries requiring continuous thermal treatment, such as cement production or metallurgical processes. However, it is important to ensure proper design, sizing, and integration of auxiliary equipment, such as feed systems and discharge mechanisms, to enable continuous operation effectively. Additionally, proper monitoring and control systems should be in place to maintain consistent process parameters and product quality throughout the continuous production cycle.

What safety precautions should be taken when using a tube furnace?

When using a tube furnace, it is important to follow safety precautions to prevent accidents and ensure operator and sample safety. Firstly, proper training should be provided to personnel operating the furnace to ensure they understand its operation, safety features, and emergency procedures. Secondly, appropriate personal protective equipment (PPE), such as heat-resistant gloves, goggles, and lab coats, should be worn to protect against burns and potential hazards. Thirdly, it is crucial to properly load the sample or material inside the furnace, ensuring it is securely positioned and does not obstruct airflow. Adequate ventilation should be provided to remove any potential gases or fumes generated during heating. It is also important to regularly inspect and maintain the furnace, including checking the heating elements and electrical connections, to ensure safe and reliable operation.

How can the performance of a rotary furnace be optimized?

The performance of a rotary furnace can be optimized through various means. Proper selection and control of process parameters, such as temperature, rotation speed, and residence time, are critical for achieving the desired results. Optimization can be achieved by adjusting these parameters based on the specific materials and process requirements. Regular maintenance, including cleaning, lubrication, and inspection of the furnace components, is essential to ensure optimal performance and prevent unexpected failures. Implementing advanced control systems and automation can enhance process efficiency, accuracy, and repeatability. Additionally, monitoring and analyzing process data, such as temperature profiles and energy consumption, can help identify opportunities for improvement and optimize energy efficiency. Collaboration with furnace manufacturers or process experts can provide valuable insights and recommendations for optimizing the performance of a rotary furnace.
View more faqs for this product

4.8

out of

5

The furnace delivered quickly and it was easy to set up. Our lab has been able to use it for a variety of experiments and it has performed well.

Zeynep Aydogan

4.9

out of

5

This is a very well-made furnace. It is easy to use and maintain, and it produces excellent results. We are very happy with our purchase.

Aiden Mills

4.7

out of

5

The furnace is a great value for the money. It is well-made and has a lot of features that make it easy to use. We are very happy with our purchase.

Rania Patel

5.0

out of

5

I am very impressed with the durability of this furnace. It has been in use for several months now and it is still performing like new. I would definitely recommend it to others.

João Pereira

4.6

out of

5

The furnace is very technologically advanced. It has a lot of features that make it easy to use and it produces excellent results. I am very happy with my purchase.

Elsa Moreau

4.8

out of

5

I am very satisfied with the quality of this furnace. It is well-made and it produces excellent results. I would definitely recommend it to others.

Stefanos Nikolaou

4.9

out of

5

The furnace is very easy to use. It has a simple control panel that makes it easy to set up and operate. I am very happy with my purchase.

Michelle Lee

5.0

out of

5

I am very impressed with the speed of delivery. I ordered the furnace and it arrived within a few days. I was able to set it up and start using it right away.

Oliver Schmidt

4.7

out of

5

The furnace is very durable. It is made of high-quality materials and it is built to last. I am confident that it will last for many years to come.

Sara Garcia

4.9

out of

5

The furnace is very technologically advanced. It has a lot of features that make it easy to use and it produces excellent results. I am very happy with my purchase.

Matteo Bianchi

4.8

out of

5

The furnace is a great value for the money. It is well-made and it has a lot of features that make it easy to use. I am very happy with my purchase.

Amina Khan

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Catalog of Tube Furnace

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