Electric heater for pipeline
A pipeline electric heater and electric heater technology, applied in pipeline heating/cooling, pipeline systems, pipes/pipe joints/fittings, etc., can solve problems such as uneven heating temperature, low thermal efficiency, and low thermal conductivity of tiles. Achieve the effect of ensuring normal production, large heat conduction area and high thermal conductivity
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[0018] Figure 4 It is shown that the two bush-like shaped thermally conductive layers 9 and 9a are made of highly efficient heat-conducting materials (for example, the temperature range is 500°C, the insulation resistance is above 300MΩ, and the thermal conductivity is 0.9W / M°C); the two bush-like metal inner shells 7, An electric heating tube 8 is respectively fixed on the inner wall of 7a, and the electric heating tube 8 is arranged in a uniformly distributed coil back and forth along the axis direction parallel to the metal inner shell (see Figure 5 ); The two bearing-shaped shaped insulation layers 6, 6a are made of light aluminum silicate material, and two bearing-shaped shells 1, 1a are provided on the outer surface of the formed insulation layer. The shells 1, 1a are stainless steel plates (such as thickness 1.5 mm); The above-mentioned shaped heat pipes 9, 9a, the metal inner shells 7, 7a with electric heating pipes, the shaped insulation layers 6, 6a, and the outer shel...
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