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Split Tube Furnaces

 
What is a split tube furnace
 

A split tube funace is a tube furnace that can be opened to allow for the easy installation and removal of work tubes and reaction vessels. Carbolite Gero's TS split tube furnace range is constructed in two halves, joined together with hinges, and fitted with pneumatic dampening struts for ease of opening.

 

Why Choose Us
01/

Rich experience
The company has 26 years of experience in the production of heat treatment equipment, and has strict requirements for the control of raw materials. Each equipment will undergo quality inspection before leaving the factory. Each product provides a one-year warranty and a half-year warranty for heating elements. We provide lifelong service to all customers.

02/

Professional team
The company is located in Hangzhou (Binjiang) High-tech Development Zone, and has a product design and development department and a production department in Heping Kiln, Qiutao North Road. The company focuses on the practical performance of the products, and technical personnel account for more than 60%.

03/

Customized services
Our company provides personalized customization services and customizes products according to your experimental requirements.

04/

After-sales service
Quality assurance: Each device provides a one-year warranty service, and the heating element provides a six-month warranty service. If there is any problem during the warranty period, free repair or replacement service is provided.Technical support: Provide 24/7 multilingual technical support services. Customers can contact the technical team by phone, email or instant messaging tools to solve any problems encountered during use.

Compact Horizontal Split Tube Furnace
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Compact Horizontal Split Tube Furnace

Model: ETF-1200X-S. Maximum temp, °C: 1200. Continuous operating temp, °C: 1200. Tube Diameterφ
1100℃ Industrial Split Vacuum Tube Furnace
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1100℃ Industrial Split Vacuum Tube Furnace

Model: SG-GL1100K. Maximum temp, °C: 1100. Continuous operating temp, °C : 1050. Tube Diameterφ
1200℃ Industrial Split Vacuum Tube Furnace
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1200℃ Industrial Split Vacuum Tube Furnace

Model: SG-GL1200K. Maximum temp, °C: 1200. Continuous operating temp, °C : 1150. Tube Diameterφ
Rotary Tube Furnaces
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Rotary Tube Furnaces

Model: RTF-1100K. Maximum temp, °C: 1100. Continuous operating temp, °C : 1000. Tube Diameterφ
Rotary Reactor Tube Furnace
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Rotary Reactor Tube Furnace

Model: RTF-1100K. Maximum temp, °C: 1100. Continuous operating temp, °C: 1000. Tube Diameterφ (mm):
Benefit of Split tube furnaces
 
 

The ability to easily insert and remove samples or materials is a key advantage of split tube furnaces. Other benefits of these furnaces include:

 

Temperature control

Split tube furnaces typically have precise temperature control, allowing for consistent and accurate heating of materials.

 
 

Versatility

Split tube furnaces can be used for a wide range of applications, including the synthesis of inorganic compounds, the sintering of ceramics, and the annealing of metals.

 
 

Efficiency

Split tube furnaces can be more efficient than other heating methods, as they can heat materials more evenly and quickly.

 
 

Safety

These furnaces often have built-in safety features, such as over-temperature protection and alarms, to help ensure the safe operation of the furnace.

 

 

 

 

Types of Tube Furnaces

 

 

Tube furnaces come in a variety of forms, including single and three-zoned constructions which help the user control temperature ranges in each zone. Some models also offer split-hinge designs, which allow easy changing of the inner heating tubes.

 

Split Tube Furnaces - A split tube furnace - which is often used in academic and R&D applications - consists of a hinged body that opens in half to allow easy access to the internal chamber.

 

Solid Tube Furnaces -  A solid tube furnace does not open, either vertically or lengthwise. They utilize a process tube that passes through a fixed heating cylinder, which is ideal for applications where batches are developed to repeated sample sizes.

 

Rotary Tube Furnaces - These are ideal for physiochemical processing. Rotary Tube Furnaces heat and mix samples simultaneously in a controlled atmosphere while the material continuously passes through the work tube.

 

 
 
Application of Split Tube Furnaces
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Split tube furnaces are used in many industries and applications, including heat treatment, chemical processing, and materials science. They are also used in laboratories for research and development.

 

Heat treatment: Used to treat materials like metals, ceramics, and semiconductors

 

 

Chemical processing: Used for chemical vapor deposition, pyrolysis, and other chemical processes

 

Materials science: Used for crystal growth, catalyst testing, and other materials science applications

 

 

Research and development: Used for thermocouple calibration, fuel cell testing, and other research

 

 

Testing: Used for tensile testing, fuel cell testing, and other materials testing

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Components of Split Tube Furnaces

Split tube furnaces have several components, including a split furnace body, heating elements, insulation, and a temperature control system.

 

Furnace body

Split in half, hinged to allow access to the furnace chamber
Can be single or multi-zone

01

Heating elements

Can be made of resistance wire, silicone carbide (SiC), or molybdenum disilicide (MoSi2)
Semi-exposed elements can enable rapid heating rates

02

Insulation

Helps to reduce heat loss and maintain a stable temperature
Ceramic fiber insulation is commonly used

03

Temperature control system

Can include a programmable temperature controller, over-temperature protection, and a safety switch
Can also include a SmartControl System that combines PID controllers, video/chart recorders, and data logging systems

04

Other components

Tube chamber with gas ports for gas purging and continuous flow
Liquid cooling coil pipe near the tube chamber opening
Cooling channels to aid with convection cooling of the outer case
Handle and quick-release clamps to safely unlock and lock the furnace

05

 

How to maintain Split Tube Furnaces

Key Maintenance Steps:

 

1.Cleaning the Furnace Tubes:
Based on the materials used, regularly remove any residue or buildup inside the tubes using an appropriate cleaning method (e.g., chemical cleaning, high temperature scrubbing).
Use ceramic boats or crucibles to hold samples to prevent direct contact with the tubes and minimize contamination.

 

2.Inspect Heating Elements and Seals:
Visually inspect heating elements for signs of damage, discoloration, or wear.
Inspect the integrity of all seals and gaskets around the furnace tubes and access ports and replace them if necessary.

 

3.Ceramic Furnace Plugs:
When heating, always use ceramic plugs on both ends of the tubes to ensure even temperature distribution and prevent seal damage.

 

4.Gas Leak Checks:
Regularly check for gas leaks around connections and fittings using a leak detection solution, especially when the furnace is used with a reactive gas environment.

 

5.Calibration Checks:
Regularly calibrate the temperature controller using a certified reference thermometer to maintain accuracy.

 

6.Cooling Procedures:
Allow the furnace to cool gradually after use to prevent thermal shock and extend the life of components.

 

7.Lubrication:
Lubricate moving parts such as the split mechanism on a split tube furnace according to the manufacturer's instructions.

 

 

Specific Considerations for Split Tube Furnaces
1

Alignment Check

Make sure the two halves of the split tube are properly aligned when closed to maintain a good seal and prevent uneven heating.

2

Hinge Check:

Check the condition of the hinges and locking mechanisms on the split sections to ensure smooth operation.

3

Cleaning Access

The split design allows for easy access to the interior of the furnace for cleaning.

4

Important Things to Remember:

Consult the Manufacturer's Manual:Always refer to the specific maintenance guidelines provided by the manufacturer of your split tube furnace.

Safety First:Follow all safety procedures when operating and maintaining a high temperature furnace, including proper protective gear and handling of potentially hazardous materials.

 
Our Factory
 

Hangzhou Lantian Instrument Co., Ltd. was established in 1996. In 2001, the company acquired Hangzhou Lantian Laboratory Instrument Factory, which has a technical history of more than 10 years in the production of experimental electric furnaces and constant temperature ovens. Professional research and development and production: laboratory high-temperature resistance furnaces, atmosphere protection experimental furnaces, vacuum experimental furnaces, drying ovens, high-temperature ovens, environmental test chambers, etc. The products are mainly used in colleges and universities, scientific research institutions, industrial and mining enterprises, and are used for testing, firing, ashing, and analysis of various materials under different environments. Our products have entered 95% of domestic colleges and universities, and have achieved 100% coverage in the top 20 colleges and universities in the country.

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FAQ

Q: What is a split tube furnace?

A:A split tube furnace is a tube furnace that can be opened to allow for the easy installation and removal of work tubes and reaction vessels.

Q: How do split tube furnaces open?

A:Some split tube furnaces are constructed in two halves that are joined together with hinges. Pneumatic dampening struts may also be used to make opening easier.

Q: What are the advantages of a tube furnace?

A:Tube furnaces have a simple structure, low power consumption, and high thermal efficiency. They are also easy to operate and control.

Q: How does a tube furnace work?

A:A tube furnace heats materials placed within a cylindrical tube. Heating elements surround the tube to provide uniform heating along its length.

Q: What are tube furnaces used for?

A: Tube furnaces are used for material synthesis and heat treatment processes. They are also used for sample testing under gas/vacuum atmosphere.

Q: Why is it called a furnace?

A: Furnaces get their name from the Greek word “fornax,” which means oven. The first furnaces were stone or clay structures that used coal and/or wood to create intense heat. These furnaces were primarily used for ceramic work, such as with kilns, and smelting ore to create metal objects, tools, and materials.

Q: What is a split tube furnace?

A: A split tube funace is a tube furnace that can be opened to allow for the easy installation and removal of work tubes and reaction vessels.

Q: What is the benefit of a split tube furnace?

A: The main benefit of a split tube furnace is the ability to open the furnace to allow the easy installation and removal of work tubes and reaction vessels with ends and fittings that would otherwise be impossible to fit into a non-split tube furnace.

Q: Which applications require a split tube furnace?

A: There are numerous applications where it is beneficial to use a split tube furnace as the process of installing and removing is made much easier and faster than with a non-split furnace. Rotating, oscillating and gradient tube furnaces all incorporate a split design. Split tube furnaces are frequently used in applications such as the tensile testing of materials, pyrolysis, chemical vapour deposition, graphitisation etc.

Q: Can a split tube furnace be used horizontally and vertically?

A: With the correct accessories, split tube furnaces can be used both horizontally and vertically.

Q: What is the mechanism of tube furnace?

A: A tube furnace works by heating materials placed within a cylindrical tube, with heating elements surrounding the tube to provide uniform heating along its length. The design allows for precise temperature control and uniform temperature distribution, essential for material synthesis and heat treatment processes.

Q: What is the difference between a muffle furnace and a tube furnace?

A: First of all, from the morphological point of view, muffle furnace is rectangular or square, built-in heating elements and insulation materials, with excellent heat preservation performance. Tube furnaces, on the other hand, are long and cylindrical and are usually made of high-temperature alloys.

Q: What are the 4 types of furnace?

A: There are four main types of furnaces: natural gas, oil, electric, and propane. Electric furnaces can heat the air by exposing heated elements, while other types of furnaces typically require a heat exchanger or chamber that warms the surrounding air.

Q: What type of furnace is most efficient?

A: The most efficient Furnace you can buy is a 98% modulating variable speed furnace. Almost every manufacturer has a variation of this type of furnace. With that said this is one of the most expensive to buy and install. Also, not every home can have this style of furnace due to various factors like duct system design.Natural gas furnaces are highly economical. Older gas furnaces are only about 65% efficient on average. Modern gas furnaces can be up to 98% efficient. Natural gas is also the most popular way Americans heat their homes.

Q: What is the maximum temperature for a tube furnace?

A: Tubular furnaces are designed for sample testing under gas/vacuum atmosphere they are available in customize size and options with water cooled flange. Maximum design temperature of furnace is upto 1800°C.

We're professional split tube furnaces manufacturers in China, specialized in providing high quality ODM service. We warmly welcome you to buy reliable split tube furnaces for sale here from our factory. For price consultation, contact us.

Compact Horizontal Split Tube Furnace, Rotary Tube Furnaces, Rotary Reactor Tube Furnace

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