How does a quartz tube furnace work?
Release time：2024-10-24
The working principle of the quartz tube furnace is to generate heat through the heating element and evenly distribute the heat on the entire tube wall through the heat transfer characteristics of the quartz tube, thereby heating the air or gas inside the quartz tube. This working principle makes the quartz tube furnace have a wide range of application prospects in many fields.
一、Quartz tube characteristics
High temperature resistance: The softening point of quartz glass is about 1730℃, and it can be used for a long time at 1100℃, and the maximum operating temperature for a short time can reach 1450℃.
Chemical stability: Except for hydrofluoric acid, quartz glass hardly reacts chemically with other acidic substances, and its chemical stability at high temperature is unmatched by other engineering materials.
Light transmittance: Quartz glass has good light transmittance in the entire spectrum band from ultraviolet to infrared, and the visible light transmittance is above 93%.
Electrical insulation: Quartz glass has a high resistance value and is a good electrical insulation material. It has good electrical properties even at high temperatures.
二、Working principle of quartz tube furnace
Heating element: The quartz tube furnace is equipped with heating elements, which can be resistance wires or other forms of heating elements. When current passes through the heating element, the heating element generates heat.
Heat transfer: The heat generated by the heating element is transferred to the quartz tube by heat transfer. Due to its excellent thermal conductivity, the quartz tube can quickly and evenly distribute the heat on the entire tube wall.
Heating air or gas: As the temperature of the quartz tube wall increases, the air or gas in the quartz tube will also be heated to the required temperature.
Application: During the heating process, the samples or reagents in the quartz tube furnace will be heated evenly and stably, so as to achieve the desired chemical reaction or physical process.
三、Application of Quartz Tube Furnace
Chemical Laboratory: Quartz tube furnace is widely used in chemical laboratories for heating reagents, drying samples, etc. Due to the chemical stability of the quartz tube, it will not be corroded by the reagents and can meet the heating needs of most chemical reactions.
Medical Field: In the medical field, quartz tube furnace can be used for the preparation of drugs, drying equipment, etc. Utilizing the light transmittance of the quartz tube, the reaction of the drug in the quartz tube can be judged by observing it, so as to better control the heating process.
Industrial Application: Quartz tube furnace is also widely used in industrial fields, such as material synthesis, heat treatment, etc. Its high temperature endurance and chemical stability make quartz tube furnace perform well in these applications.
Keyword： How does a quartz tube furnace work?
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