Tube Furnace

Laboratory Quartz Tube Furnace RTP Heating Tubular Furnace

Item Number : KT-RTP

Price varies based on specs and customizations

Max. temperature: 1100℃
Heating zone length: 300~800 mm
Temperature control accuracy: ±1℃

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RTP Rapid Heating Tube Furnace: Visual Overview and Core Components

KINTEK's RTP Rapid Heating Tube Furnace is engineered for applications demanding rapid temperature changes and precise control. It is widely used for processes such as large-scale graphene growth via CVD, temperature sensor calibration, material testing, and various heat treatments. This furnace allows for operation in controlled atmosphere environments or high vacuum, creating an ideal thermal processing chamber.

RTP Furnace detailed view

RTP Furnace components RTP Furnace operation detail

Product Features Diagram — 1. Temperature control table features: 30 programmable automatic control segments; includes ultra-temperature and broken thermocouple protection.

2. High-quality hearth materials: Utilizes imported polycrystalline ceramic fiber, ensuring no powder shedding, excellent insulation, high reflectivity, balanced temperature field, resistance to thermal expansion/contraction, large capacity, and multi-functional sintering capabilities.

3.High-end heating element: Features high-purity heating elements and fiber hearth for internal cleanliness.

Key Capabilities for Advanced Thermal Processing

Our RTP Rapid Heating Tube Furnace offers exceptional performance tailored to demanding research and production environments:

Unmatched Heating & Cooling Speeds: Achieve your target high temperature in minimal time with heating speeds up to 100°C per second (e.g., reaching 1000°C in approximately one minute). Experience equally impressive cooling speeds up to 110°C per second. Rapid cooling is achieved by efficiently sliding the furnace tube out of the heating and insulation chamber, a process further accelerated by controlled fast circulating air in an open-air environment.
Precision Temperature Management: A strategically placed temperature sensor, in direct contact with sample holders, ensures highly accurate temperature control and reliable indication. The system features PID programmable temperature control for excellent control accuracy and stable heating performance, with support for remote and centralized control.
Versatile Atmosphere Control: Configure the furnace with various vacuum pump station setups to operate under a controlled atmosphere or a high vacuum environment, creating the ideal thermal processing chamber for your specific needs.
User-Centric and Robust Design:
- A convenient sliding rail system holds the furnace tube flange, making it easy to withdraw the tube from the furnace heating insulation chamber.
- The double furnace shell design, with forced airflow between the inner and outer shells, maintains a low furnace surface temperature for enhanced operator safety and comfort.
- The RTP Pro model includes a 7-inch TFT touch screen controller, offering a more user-friendly interface for program setting, history data analysis, and the ability to save and select different program recipes.

Why Choose KINTEK's RTP Furnace?

Leveraging exceptional R&D and in-house manufacturing, KINTEK provides diverse laboratories with advanced high-temperature furnace solutions. The RTP Rapid Heating Tube Furnace embodies this commitment by offering:

Accelerated Throughput: Dramatically reduce your processing times with industry-leading heating and cooling rates.
Reliable and Repeatable Results: Ensure the consistency of your experiments and production with precise temperature control and high-quality components.
Operational Efficiency: User-friendly features and a robust design minimize setup time and maintenance requirements.
Tailored to Your Needs: Beyond the comprehensive features of this RTP furnace, KINTEK excels with strong deep customization capabilities to precisely meet unique experimental requirements. Our extensive product line also includes Muffle Furnaces, standard Tube Furnaces, Rotary Furnaces, Vacuum & Atmosphere Furnaces, and specialized CVD/PECVD/MPCVD Systems.

Ready to elevate your thermal processing capabilities? Contact our specialists today to discuss your specific application, explore customization options, or request a personalized quote. We are dedicated to helping you find the perfect furnace solution.

Applications

RTP rapid heating tube furnaces are designed for fast heating and cooling applications. They are widely used in the following areas:

Graphene growth:RTP furnaces are used to heat graphene precursors to high temperatures in a controlled atmosphere, promoting graphene growth.
Temperature sensor calibration: RTP furnaces can be used to calibrate temperature sensors by exposing them to precisely controlled temperatures.
Material testing: RTP furnaces can be used to test the thermal properties of materials, such as their melting point and thermal conductivity.
Heat treatment: RTP furnaces can be used to heat treat materials to improve their properties, such as their strength and hardness.
Annealing: RTP furnaces can be used to anneal materials, which involves heating them to a high temperature and then slowly cooling them to relieve stress and improve their ductility.
Brazing: RTP furnaces can be used to braze materials together, which involves heating them to a high temperature and melting a filler metal to join them.
Calcining: RTP furnaces can be used to calcine materials, which involves heating them to a high temperature to drive off volatile components.
Ceramics: RTP furnaces can be used to fire ceramics, which involves heating them to a high temperature to harden and strengthen them.
Cleaning: RTP furnaces can be used to clean materials by heating them to a high temperature to remove contaminants.
Crystal growth: RTP furnaces can be used to grow crystals by heating a material to a high temperature and then slowly cooling it, allowing crystals to form.
Firing: RTP furnaces can be used to fire materials, which involves heating them to a high temperature to harden and strengthen them.
Glass: RTP furnaces can be used to melt and anneal glass, which involves heating it to a high temperature and then slowly cooling it to relieve stress and improve its strength.
Gradient work: RTP furnaces can be used to create temperature gradients, which can be used to study the effects of temperature on materials.
Heat treating: RTP furnaces can be used to heat treat materials to improve their properties, such as their strength and hardness.
Laboratory research: RTP furnaces are used in a variety of laboratory research applications, such as materials science, chemistry, and physics.
Materials testing: RTP furnaces are used to test the thermal properties of materials, such as their melting point and thermal conductivity.
Melting: RTP furnaces can be used to melt materials, such as metals and plastics.
Powders: RTP furnaces can be used to heat and cool powders, which can be used to create new materials or modify the properties of existing materials.

Technical Specifications

Furnace model	KT-RTP	KT-RTP Pro
Temperature controller	Digital PID controller	Touch screen PID controller
Multi program preset	no	yes
Power failure restarting	no	yes
Max. temperature	1100℃
Constant work temperature	1000℃
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
Temperature sensor	Build in K type Thermal couple
Temperature control accuracy	±1℃
Electric power supply	AC110-220V,50/60HZ
Other furnace tube size and heating zone length can be customized

Advanced Safety Features

Kindle 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
RTP Pro support power failure restarting function,furnace will resume the furnace heating program when power is incoming after failure

Standard Package & Customization Options

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

Further customize your RTP furnace to meet specific experimental needs. Discuss your requirements with our experts for a tailored configuration and ensure your KINTEK furnace perfectly aligns with your research or production goals.

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FAQ

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 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 Main Applications Of A Rotary Tube Furnace?

Rotary tube furnaces are widely used in powder metallurgy, material blending, and chemical reactions where uniform heating and continuous mixing are essential. They are particularly effective for processing granular or powdery materials.

What Are The Main Applications Of Multi-zone Tube Furnaces?

Multi-zone tube furnaces are used in various commercial and research applications, including semiconductor and battery production, thermocouple and mineral-insulated cable manufacturing, vacuum brazing and heat treatment, vacuum curing and sintering, water/waste/soil testing, aerospace ceramic and metals testing, oil and gas analysis, solid oxide fuel cells, and polymer composites/graphene production. They're also used for metal heat treatments (quenching, tempering, annealing), preheating for welding, ceramic/powder metallurgy sintering, coating treatments, and material research experiments.

What Is The Principle Of A Hot Press Furnace?

A hot press sintering furnace combines high temperature and high pressure in a vacuum environment to sinter materials. It is particularly effective for ceramic powders, which melt and fuse under pressure. The process leverages controlled temperature and pressure to ensure uniform material flow and strong bonding, often in a vacuum environment to prevent oxidation.

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 The Principle Of A Rotary Furnace?

A rotary furnace operates as a rotating cylinder around its axis, slightly tilted to facilitate the movement of charge material from one end to the other. This design promotes mixing and uniform heating. Heat is typically supplied by hot gases flowing in the counter-current direction to the material flow.

What Is A Dental Furnace Used For?

A dental furnace is primarily used in dental laboratories for sintering dental ceramics, such as zirconia, to create high-quality dental restorations like crowns, bridges, and implants. It ensures precise temperature control and consistent results for durable and aesthetically pleasing prosthetics.

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 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 Rotary Tube Furnace?

A rotary tube furnace features a rotating mechanism that ensures uniform heat distribution and thorough mixing of samples. It is designed for continuous processing and can accommodate various sample volumes. The furnace typically includes multiple heated zones, a rotatable and tiltable furnace tube, and can reach temperatures up to 1200°C.

What Are The Key Features Of Multi-zone Tube Furnaces?

Key features include: 1) Flexible annealing and chemical vapor deposition capabilities, 2) Accommodation of samples up to 60mm (2 inches), 3) Built-in manifold for easy gas delivery, 4) Natural temperature gradients with cooler ends and uniform heating in the center, 5) Adaptability for various gases or vacuum conditions, and 6) Multiple independently controlled heating zones for precise temperature profiles.

What Are The Applications Of A Hot Press Furnace?

Hot press furnaces are used in sintering and consolidation, powder metallurgy, materials research, semiconductor manufacturing, ceramic processing, graphene synthesis, composite material production, diamond synthesis, and research and development.

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 Advantages Of Using A Rotary Furnace?

Rotary furnaces offer several advantages including high energy utilization, flexibility in handling various feed materials, batch furnace capability, high production capacity, increased lead recovery, environmental friendliness, and user-friendly operation with less manpower requirement.

What Are The Key Features Of A Dental Furnace?

Key features of a dental furnace include precise temperature range and control, programmability, vacuum technology for contamination-free processing, efficient cooling systems, and user-friendly interfaces. Safety features like automatic shutdown, emergency stop buttons, and overheating protection are also essential.

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.

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 Rotary Tube Furnace Work?

Rotary tube furnaces operate on the principle of indirect firing, where heat is transferred from a heat source to the materials via a rotating tube. They use a continuous thermal system with multiple control zones to ensure uniform heating. The furnace burns pulverized, solid, gaseous, or liquid fuel in its working section, creating heating gases that flow towards the sample. The rotating drum, lined with refractory material and mounted at an angle, facilitates this process.

How Does A Multi-zone Tube Furnace Work?

A multi-zone tube furnace works by: 1) Generating heat through multiple independently controlled heating elements, 2) Transferring this heat uniformly through the furnace tube to the workpiece, 3) Creating either precise temperature gradients (for processes like CVD film growth) or extended constant-temperature zones (when multiple zones are set to the same temperature), and 4) Maintaining stable heating conditions suitable for various industrial processes.

What Are The Features Of A Hot Press Furnace?

The hot press sintering furnace features a strongly cooled body, except for the heating and insulation components, ensuring precise temperature control and structural integrity.

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 Key Features Of A Rotary Furnace?

The key features of a rotary furnace include high-temperature capabilities, multi-zone heating control, customizable rotation and process control, atmosphere versatility, and integrated safety and environmental controls.

How Does A Dental Furnace Work?

A dental furnace works by applying controlled high temperatures to dental ceramics in a vacuum or controlled atmosphere environment. This process, known as sintering, bonds ceramic particles together to form strong, dense restorations. The furnace's advanced controls ensure uniform heating and cooling for consistent results.

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.

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 Rotary Tube Furnace?

The rotary tube furnace offers several advantages, including uniform temperature distribution due to its rotating action, which prevents sample settling and ensures consistent processing. It enhances heat transfer efficiency, leading to faster processing times and more uniform results. Additionally, its design allows for excellent efficiency in heat transfer and can be customized with multiple heated zones to suit specific needs.

What Are The Advantages Of Using A Multi-zone Tube Furnace?

Advantages include: 1) Mature, reliable technology with simple furnace structure, 2) Low power consumption with high thermal efficiency, 3) Easy operation and precise control, 4) Capability for continuous production, 5) Ability to create extended uniform heating zones or precise temperature gradients, 6) Higher product yields in chemical processes, 7) Ability to recover process gases, 8) Broad raw material applicability, and 9) Scalability through furnace combination for large-scale production.

Why Is A Vacuum Environment Used In Hot Press Furnaces?

A vacuum environment is used in hot press furnaces to prevent oxidation during the sintering process, ensuring high-quality components with minimal deformation and strong material bonding.

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 Are The Common Applications Of A Rotary Furnace?

Rotary tube furnaces are particularly useful in powder metallurgy, material blending, and chemical reactions where uniform heating and continuous mixing are essential. They are also used for processing granular or powdery materials, producing materials like alumina and iron ore pellets, and excelling in applications such as calcining and oxidation that require continuous throughput of loose materials.

What Are The Advantages Of Using A Dental Furnace?

The advantages of using a dental furnace include precise temperature and heating control, consistent and predictable results, time and cost savings by reducing the need for adjustments or remakes, and the ability to create various types of dental restorations. These features ensure high-quality, durable, and aesthetically pleasing dental prosthetics.

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).

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 Rotary Tube Furnace Reach?

A rotary tube furnace can reach a maximum temperature of 1200°C, making it suitable for high-temperature applications such as calcination, sintering, and heat treatment.

What Types Of Multi-zone Tube Furnaces Are Available?

Available types include: 1) Split multi-heating zone rotary tube furnaces (with tilt and rotation capabilities), 2) Laboratory quartz tube furnaces (up to 1700°C with 1-10 zones), 3) Rapid thermal processing (RTP) furnaces with fast heating rates, 4) CVD tube furnaces for chemical vapor deposition, 5) PECVD furnaces for plasma-enhanced processes, 6) Vacuum tube furnaces, and 7) High-pressure tube furnaces. These come in various configurations with customizable zone numbers, temperature ranges, and special features like vacuum/atmosphere control.

What Materials Are Commonly Processed In Hot Press Furnaces?

Hot press furnaces are commonly used for ceramic powders, metals, composites, and other materials that require high-temperature and high-pressure conditions for sintering and bonding.

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.

How Does A Rotary Furnace Handle Different Materials?

Rotary furnaces are flexible in handling various feed materials due to their rotating and slightly tilted design, which ensures uniform heating and mixing. This makes them suitable for a wide range of materials, including granular or powdery substances, and allows for efficient processing in applications like calcination and oxidation.

What Safety Features Should A Dental Furnace Have?

A dental furnace should include safety features such as over-temperature protection, automatic shut-off systems, emergency stop buttons, and overheating protection. These features ensure the safety of users and prevent damage to the equipment during operation.

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.

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.

What Types Of Materials Can Be Processed In A Rotary Tube Furnace?

Rotary tube furnaces are ideal for processing granular or powdery materials. They are commonly used in applications involving powder metallurgy, material blending, and chemical reactions where uniform heating and continuous mixing are required.

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.

What Types Of Dental Furnaces Are Available?

Dental furnaces come in various types, including vacuum porcelain sintering furnaces, zirconia sintering furnaces, and vacuum press furnaces. Some models offer rapid sintering capabilities, while others provide high-pressure or multi-functional processing for different dental ceramic materials.

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.

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.

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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