Look at the use of electric heating tube products

Product Usage:

It can be installed in blowing ducts or other heating occasions with static and flowing air; in metal stamping, machinery manufacturing, automobile, textile, food, household appliances and other industries, especially in the air curtain industry of air conditioners and stamping industries, electric heating pipes are widely used as hot air components. application. Common shape structures are: I-shaped (straight tubular), U-shaped, W-shaped (M-shaped), O-shaped (ring-shaped), etc.

product description:

The stainless steel electric heating tube is a metal tube as the shell, and the spiral heating alloy wires (nickel-chromium, iron-chromium alloy) are evenly distributed along the central axis of the tube, and the gap is filled and compacted with magnesium oxide with good insulation and thermal conductivity. Ceramic sealed, stainless steel electric heating tube has a high degree of mechanization, and can be bent into various shapes according to customer requirements, light, and easy to disassemble. Its characteristics: the electric heating tube has a simple structure, few materials, low cost, long service life, high heat conversion rate, and energy saving. The high-temperature electric furnace wire is evenly distributed in the high-temperature resistant stainless steel seamless tube, and the crystalline magnesium oxide powder with good thermal conductivity and insulation performance is densely filled in the gap part for insulation treatment. . This structure is not only advanced, but also has high thermal efficiency and even heat generation. When current flows through the high-temperature resistance wire, the generated heat diffuses to the surface of the metal tube through the crystalline magnesium oxide powder, and is then transferred to the heated part or the air to achieve heating. the goal of. This metal tubular heating element can heat air, metal molds and various liquids.

material selection:

Among the factors that affect the quality of stainless steel electric heating pipes, the quality of materials is an important reason. Reasonable selection of raw materials for electric heating pipes is the premise to ensure the quality of electric heating pipes. The selection of materials includes the following points for reference:

1. The selection principle of pipes: temperature resistance and corrosion resistance.

2. Selection of resistance wire.

3. Selection of magnesium oxide powder.

4. Selection of sealing material.

Technical features:

1. The final use condition of the electric heating tube: empty burning.

2. Electric heating pipe material: stainless steel SUS304, SUS321, SUS310S, INOC800, INCO840.

3. The outer diameter of the electric heating tube: Φ3～30mm.

4. Electric heating tube sealing style: EPOXY (epoxy) sealing, GLASS (glass) sealing.

5. The electrical performance of the electric heating tube: the insulation value is greater than 10000MΩ and the leakage current is less than 0.5mA after being placed in the cold room for more than 1 year.

Precautions for use:

1. The components should be stored in a dry place. If the insulation resistance drops to less than 1 megohm due to long-term storage, it can be dried in an oven at about 200°C for several hours (or the low voltage of the components is passed for several hours), that is, the insulation may be restored. resistance.

2. When it is found that there is carbon on the surface of the tube, it must be removed before use, so as not to reduce the efficiency and even burn out the components.

3. When melting solid oils such as asphalt and paraffin, the voltage should be reduced, and the rated voltage should be raised after melting. In order to prevent the concentration of electricity and reduce the service life of components