The classic structure (common structure) of the cartridge rod heater is the same as the heating tube, and generally consists of five parts: insulator, sealing material, guide rod, filling material, wire, metal protective tube, and terminal. The coil wire and the guide rod are arranged in the...
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The classic structure (common structure) of the cartridge rod heater is the same as the heating tube, and generally consists of five parts: insulator, sealing material, guide rod, filling material, wire, metal protective tube, and terminal. The coil wire and the guide rod are arranged in the metal protective tube.
Manufacturing process
Pass the coil heating wires through seamless steel pipes, copper or aluminum pipes, and use a filling machine to more evenly fill the gaps with insulation and thermal oxides, such as crystal magnesia powder (alumina or clean quartz sand are available), etc., and then Use a shrink tube machine to shrink the diameter of the pipe to make the density of the oxide medium (to the density above 3.3g/cm3), ensure that the heating wire is cut off from the air, and the center position touches the pipe wall without shifting. It can increase the heating power per unit area more than 10 times. The service life can be increased to more than 10 years. Compared with the high heating power electric element, the cartridge rod heater can save 5% of the material, and the thermal efficiency can reach more than 90%.
Application:
Product performance
Tube diameter: Φ 6mm-Φ 30mm
Pipe: SS201, SS304, SS316, SS321 and INCOLOY840 etc.
Insulation material: magnesium
Conductor material: nickel-chromium resistance wire
Power density: high/medium/low (5-25 w/cm2)
Lead connection options: threaded stud terminal or lead
Lead type: 300mm standard (PTFE/silicone high temperature glass fiber can be used for cartridge rod heater)
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