The vertical tube furnace has a unique design that includes vertically stacked tubes and circular heating coils within the furnace. This novel structure greatly improves heating efficiency and uniformity.
It is ideal for heat treating tiny steel components, such as quenching, annealing, and tempering. These operations necessitate precise temperature control and efficient environment management, and the vertical tube furnace excels in these areas. It also enables advanced techniques such as vertical chemical vapor deposition (CVD) coating, which meet the diversified needs of current material processing.
Whether for research institutions or industrial applications, this furnace offers robust and dependable heat treatment solutions, providing users with remarkable performance and results.

The furnace is enclosed in a Q235 low-carbon steel shell, which is noted for its exceptional flexibility and hardness, making it exceptionally resistant to fracture. It goes through phosphating and high-temperature plastic coating procedures to improve its rust and corrosion resistance, ensuring long-term endurance.

The furnace is designed with a dual-layer air-cooling system, which helps to effectively lower the temperature of the outer shell surface. This structure enhances safety and operational efficiency by mitigating excessive heat on the exterior.

Heating wires are arranged around the tube in a full 360-degree configuration within the furnace, ensuring enhanced temperature uniformity throughout the entire chamber. This comprehensive distribution promotes consistent heating for more reliable and precise results.

Heating resistance wires are embedded within ceramic fiber boards, preventing direct contact and thereby extending their lifespan. This integration ensures that the wires are protected from damage and contributes to a longer and more reliable service life.

The furnace is constructed with high-purity Al2O3 fiber refractory insulation, delivering exceptional thermal insulation while dramatically cutting down on energy consumption. This material is notably lightweight, weighing only one-fifth of traditional brick insulators, which enhances overall efficiency.

The furnace is equipped with S-type platinum-rhodium thermocouples, which provide precise and speedy temperature measurements. These thermocouples are engineered for maximum precision and responsiveness, ensuring accurate temperature reading throughout the heating process.

The furnace employs solid-state relay heaters, which operate silently and ensure precise control of the heating process. These relays eliminate wear and noise, offering a smooth and maintenance-free experience.

The LTDE controller features 50 programmable temperature segments, allowing for automatic, sequential execution of heating programs. This capability enables precise and customizable temperature control throughout various stages of the process.

The furnace offers several heating modes, including constant temperature and ramping, providing flexibility for various thermal processes and ensuring optimal control over the heating profiles.

The system features self-tuning PID parameter adjustment, which effectively prevents temperature overshoot by continuously optimizing control settings for precise and stable heating.

The system is equipped with dual safeguards, including over-temperature and over-current protection, to ensure comprehensive safety and reliability during operation.

Tube furnaces are intended to handle sintering processes in a variety of settings, including air, inert gas, and vacuum. To achieve the best experimental results, ensure that you understand the required operating conditions before to use.

During operation, it is vital to keep the pressure in the furnace below 0.125 MPa (absolute pressure). Excessive pressure may harm the equipment, compromising the experiment's safety and effectiveness.

This adaptable furnace offers both flexibility and accurate temperature control, making it appropriate for a wide range of materials and applications. It is an excellent alternative for both scientific research and industrial manufacturing. Please read the relevant user manual carefully before operation and observe the safety precautions.

The manual vertical slide rail opening structure allows for separate opening of the reaction furnace and gas preheating furnace, facilitating sample collection.

Multiple temperature zones are individually adjusted to provide a temperature gradient or a longer, constant temperature zone within the heating zone.

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