The quartz heating tube is a milk quartz glass tube processed by a special process and equipped with a resistor combined material as a heating element. The milky quartz glass can absorb almost all the visible and near-infrared light from the heating wire and can convert it. Far infrared radiation. However, current industrial infrared heating tubes basically eliminate the milky white quartz tubes, because their material properties are relatively brittle, so they cannot be very long milky white heating tubes. Next Xiaobian introduced quartz heating tube technology features and heating tube materials.
Quartz heating tube technical features
1. No far-infrared coating is needed, and the spectral radiation matching absorption characteristics are good, the long-term use of radiation performance is not degenerated, and the electrothermal conversion efficiency is high. It saves about 30% energy compared to general heating elements.
2, high working temperature, wide choice. Among them, ceramic caps, the highest temperature up to 800 °C.
3, rapid heating, small thermal inertia, high temperature, corrosion resistance, thermal chemical stability, long service life, high dielectric strength.
4, no pollution, is a clean heater, in line with modern production of high-paced, high-quality requirements for high health requirements of household appliances.
5, design, manufacture, installation are very convenient, economic security.
Quartz heating tube specifications
Quartz heating tubes on the market mainly include concepts such as wall thickness and length. In addition, there are some differences in the products of each plant, but the main specifications are: spiral quartz heating tubes, U-shaped quartz heating tubes, straight tube quartz heating tubes, and other specifications. Straight tube type quartz heating tubes generally need to be customized, spiral type quartz heating tubes can be purchased in small quantities in the market. Other U-shaped quartz heating tubes and straight-tube quartz heating tubes are the most common on the market, and there is also a special request for Ohm-type heating tubes.
What are the heating tube materials?
1, stainless steel heating tube
There are many different grades of stainless steel heating tubes, such as stainless steel 304, stainless steel 321, stainless steel 316L and so on. The normal heating pipe is mainly made of stainless steel 304, which is also the material the customer chooses the most at work. It is stainless steel 321 better than stainless steel 304. Stainless steel 316L is generally suitable for liquids with a pH of >7-14, ie for alkaline liquids, but it is generally not recommended for use in strong acids and bases.
2, titanium heating tube
Titanium heating tubes are generally suitable for chrome plating, acid copper, nickel plating, passivation, filling, oxidation tanks, chromic acid anodization, phosphating acid tin plating and other processes, so the price of titanium heating tubes is also relatively high.
3, Teflon heating tube
Teflon heating pipe is also called Teflon heating pipe, Teflon heating pipe, commonly known as PTFE pipe. Teflon heating tube is generally suitable for corrosive liquids such as strong acid and strong alkali. The general process temperature is ≦105°C. The advantages of Teflon heating tube are non-adhesion, non-fouling, and uniform surface heat dissipation, but the price is also high. .
4, quartz heating tube
Quartz heaters are generally used for anti-corrosive liquids, except for hydrofluoric acid. It is worthwhile to point out that according to the experience in practice, according to the intensity of acidity and alkalinity from weak to strong, we generally choose the order of materials is stainless steel 304 heating tube, stainless steel 316 heating tube, Teflon heating tube, titanium heating tube. The price also turns higher.
Editor's summary: The technical characteristics of the quartz heating tube and the heating tube material are introduced here, and we hope to help everyone. If you want to know more related information, you can pay attention to this website information.
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