What are the temperatures of multi zone rotary furnaces used in experiments?

The temperature range of the multi zone rotary furnace used in experiments is usually 800 ℃ to 1600 ℃, depending on the equipment model, heating element material, and experimental requirements. The following analysis will be conducted from three aspects: temperature range, typical equipment parameters, and selection points:

1. Temperature range and core parameters
Basic temperature range
The common temperature range for multi zone rotary furnaces used in experiments is 800 ℃ to 1600 ℃, which can meet the high-temperature experimental needs of lithium battery material sintering, ceramic powder processing, semiconductor material synthesis, etc.
Independent control of temperature zone
Multi temperature zone design allows for differentiated temperature settings in different areas, simulating complex temperature gradients. For example, the BJXG-20-10 1000 ℃ multi zone tubular atmosphere furnace can independently control multiple temperature zones, suitable for experimental scenarios such as sintering, reduction, CVD, etc.
Heating rate and temperature control accuracy
Heating rate: It is usually recommended to adjust it from 0-20 ℃/min, depending on the material properties.
Temperature control accuracy: High end models can reach ± 1 ℃, ensuring experimental repeatability.

2. Temperature related points to consider when selecting
Temperature range matching experimental requirements
If the experiment requires high temperatures above 1200 ℃ (such as sintering of lithium battery materials), priority should be given to selecting equipment with a maximum temperature of ≥ 1500 ℃, and a margin of 100-150 ℃ should be reserved.
For low-temperature experiments (such as below 800 ℃), an economical furnace with a rated temperature of 1000 ℃ can be selected.
Adaptation of temperature zone length to sample size
The length of the temperature zone determines the uniform heating area of the sample.
Temperature uniformity and temperature control accuracy
High precision temperature control (± 1 ℃) can reduce experimental errors, especially suitable for temperature sensitive experiments such as semiconductor materials and optical thin films.
The furnace materials (such as high-purity alumina fibers) and heating elements (such as silicon molybdenum rods and resistance wires) affect the uniformity of the temperature field and need to be comprehensively evaluated in conjunction with equipment parameters.
Heating rate and experimental efficiency
Rapid heating (such as 0-20 ℃/min) can shorten the experimental period, but it is necessary to avoid material cracking or performance degradation caused by rapid heating.
It is recommended to choose equipment with adjustable heating rate based on the thermal stability of the material.