The Segmented Temperature-controlled Experimental Electric Furnace has Important Application Value

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The Segmented Temperature-controlled Experimental Electric Furnace has Important Application Value

The segmented temperature-controlled experimental electric furnace is a high-temperature experimental equipment that can achieve precise temperature control. Its core advantage is that it meets the differentiated needs of different materials for heat treatment temperature gradients through an independent temperature control system, and has important application value in the field of material research and development and process optimization. The following is an analysis from four dimensions: core structure, technical characteristics, application scenarios and typical designs:

1. Core Structure

The equipment adopts a modular design. The interior of the furnace is divided into multiple independent temperature control zones by high-temperature insulation panels. Each zone is equipped with an independent resistance wire or silicon carbide rod heating element. The temperature control system adopts a multi-channel PID controller, which can set the temperature of each section separately (such as free combination within the range of 500℃-1700℃), and feedback the temperature data in real time through thermocouples. The furnace material is made of alumina fiber or silicon carbide composite material, which not only ensures high-temperature stability but also reduces heat conduction loss.

2. Technical Characteristics

Precise temperature control

The temperature control accuracy of each temperature zone can reach ±1℃, and the temperature uniformity is within +5℃℃, which meets the needs of high-precision experiments.

Atmosphere control

Equipped with a gas mass flow controller, it can pass inert or reducing gases such as ammonia, argon, and hydrogen, with a flow control accuracy of ±0.1SLM, effectively preventing material oxidation.

Energy-saving design

Adopting lightweight ceramic fiber insulation layer, it has good thermal insulation performance and reduces energy consumption by 30% compared with traditional equipment.

Four-channel tube furnace Click on the image to see more

3. Operating Procedures

Preparation:

Ensure that the furnace is clean and free of foreign matter, and place the materials in the appropriate position in the furnace according to the experimental or production requirements.

Start the electric furnace:

Check whether the power connection is safe and reliable, then start the electric furnace and observe the temperature changes in the furnace.

Temperature setting:

Set the required temperature through the temperature control instrument. The temperature control instrument usually displays the current temperature and the set temperature, which is convenient for users to understand the temperature status in the furnace at any time.

Operation monitoring:

During the operation of the electric furnace, the material status in the furnace should be checked regularly to ensure the smooth progress of the experiment or production. At the same time, pay close attention to the display of the temperature control instrument to ensure that the temperature in the furnace is stable within the set range.

Turn off the electric furnace:

When the experiment or production is completed, the heating function of the electric furnace should be turned off first, and the power should be turned off after the temperature in the furnace naturally drops to a safe range.

4. Application Scenarios

Material research and development: used for optimization of ceramic material sintering curves (such as zirconia ceramics 1450℃-1600℃ gradient sintering) and metal material phase change research (such as titanium alloy phase change temperature control).

Catalytic preparation: In the synthesis of molecular sieve catalysts, the gradient loading of active components is achieved through three-stage temperature control of 550℃/700℃/850℃.

New energy field: used for calcination of positive electrode materials for lithium-ion batteries (such as 850℃-950℃ segmented insulation of NCM ternary materials) to improve the crystallinity and electrochemical performance of materials.

5. Typical Design

Rotary multi-temperature zone tube furnace: 3-5 independent temperature control zones are set in the Ф60-100mm furnace tube, and the rotating mechanism is used to make the material heated more evenly, which is suitable for powder metallurgy and nanomaterial preparation. Vacuum multi-temperature zone box furnace: The ultimate vacuum degree reaches 10-3Pa, equipped with a mechanical pump + molecular pump two-stage exhaust system, suitable for high-purity metal purification and semiconductor material heat treatment.

Rapid temperature rise and fall system: 10-20℃/min rapid temperature rise + 5-10℃/min program cooling mode is adopted, combined with the water-cooled jacket design, the experimental cycle is shortened, and it is suitable for material thermal shock performance testing.

In a word, through the segmented temperature control technology, the experimental electric furnace can meet the complex process requirements, optimize the control accuracy and energy consumption, and this technology is widely used in industrial and experimental fields, including heat treatment equipment, chemical reaction equipment, experimental instruments and semiconductor manufacturing.

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