Well type crucible furnace

Well crucible furnace is an experimental or industrial heat treatment equipment used for high-temperature experiments and material processing. Its furnace is often a prototype. Let’s take a detailed look below!

A commonly used small electric heating well crucible furnace (click on the picture to view product details)

1. Equipment features
Unique structure: The furnace body is cylindrical and vertically arranged in a well shape. The crucible is placed inside the furnace and sealed by the furnace cover. Heating elements (such as resistance wires, silicon carbide rods, etc.) surround the outside of the crucible. This design helps to save space and improve operational convenience.
High temperature performance: The well crucible furnace can utilize electric heating to provide a high-temperature environment, meeting the process requirements of material melting, sintering, and other processes. The furnace body is usually made of high-temperature resistant materials, with a maximum temperature of 1700 ℃.
Precise temperature control: Equipped with a high-precision temperature control system, such as intelligent PID microcomputer automatic control, it can ensure the stability and accuracy of the temperature inside the furnace. The temperature control accuracy can reach ± 1 ℃, meeting the requirements of precision experiments.
Safe and reliable: The equipment has a comprehensive safety protection system, such as over temperature protection, leakage protection, etc., to ensure safety during operation. At the same time, the furnace adopts a double-layer shell structure and is equipped with an air cooling system to reduce the surface temperature of the shell and minimize the risk of burns.

2. Equipment composition
Furnace body: It is usually made of high-temperature resistant materials, such as fire-resistant bricks, special ceramic materials, or high-purity alumina lightweight materials, which can withstand thermal shock and chemical erosion at high temperatures.
Heating elements: Resistance wires, silicon molybdenum rods, and other heating elements are commonly used, and their special design ensures uniform temperature distribution, ensuring better results during sample processing.
Temperature control system: used to accurately control the temperature inside the furnace, ensuring the stability and reliability of the processing process. Temperature control systems usually have intelligent programmable control functions and support multi-stage program temperature control.
Crucible: As a melting or processing vessel, it is usually made of high-purity refractory materials such as graphite, quartz, or alumina to ensure that it is not easily deformed or melted at high temperatures.
Atmosphere control capability (optional): It can be filled with inert gases (such as nitrogen, argon), reducing gases (such as hydrogen) or vacuum environment to prevent material oxidation, suitable for melting or heat treatment of active metals, alloys, etc.
Mixing function (optional): An electrically controlled mixing rod can be installed to ensure that liquid or powder materials are in the mixing process, resulting in higher heat treatment efficiency and more uniform temperature.

3. Application Fields
Metal melting: used to melt high melting point metals, alloys, or other materials such as steel, iron, precious metals, etc.
Heat treatment process: Annealing, quenching, tempering and other treatments are carried out on metal workpieces, especially suitable for vertical placement and heating of long axis and annular workpieces (such as bearings and gears) to reduce deformation.
Ceramic sintering: suitable for sintering ceramic raw materials, forming and sintering ceramic products, and other processes.
Powder metallurgy and material sintering: Processing metal powders, synthetic material powders, etc., achieving densification sintering by controlling temperature and atmosphere, such as the preparation of hard alloys and magnetic materials.
Materials research: In the field of materials science, it is used for experimental research on materials such as sintering, crystal growth, and heat treatment.
Special material preparation: used for the synthesis of rare earth permanent magnet materials, high-temperature superconducting materials, or the purification of high-purity metals in the semiconductor industry.
Industrial production: In industries such as aerospace, automotive manufacturing, electronics, etc., it is used for processes such as heat treatment, melting, and cladding of metal materials.

4. Advantages
Accurate atmosphere control, suitable for processing high-purity and easily oxidizable materials;
Vertical structure reduces workpiece deformation and is suitable for large-sized workpieces;
The crucible is replaceable and adaptable to different materials, with high flexibility.

5. Purchase suggestions
Clear requirements: Determine furnace size, maximum temperature, temperature control accuracy and other parameters according to process requirements. Meanwhile, consider whether a specific atmosphere environment (such as vacuum, inert gas, etc.) is required.
Choose reliable manufacturers: Prioritize manufacturers with production qualifications, good reputation, and comprehensive after-sales service. Review manufacturer cases and customer reviews to ensure equipment quality and stability.
Pay attention to equipment performance: Understand the performance indicators such as heating uniformity, heating rate, and constant temperature accuracy of the equipment to ensure that it meets experimental or production needs.
Considering operational convenience: Choose devices with easy-to-use control systems and interfaces to reduce operational difficulty and improve work efficiency.

Customized well type crucible furnace with water-cooled unit (click on the picture to view product details)

6. Summary
As a commonly used equipment in the heat treatment industry, the well type crucible furnace has the advantages of uniform heat treatment temperature, easy replacement of crucible, low price, and convenient operation, and is deeply loved by industrial and mining enterprises and university laboratories. But before choosing, it is recommended to communicate with relevant technical personnel about the parameters you need, so that you can buy a well type crucible furnace suitable for your own production or experiment!Click to learn more Crucible Furnaces! Or click on online customer service to learn more about product information!