Mineral insulated cable of large length
A mineral insulated, fire-resistant cable technology, applied in the direction of insulated cables, insulated conductors, inorganic insulators, etc., can solve the problem that fire-resistant cables cannot be non-combustible, meet the needs of emergency evacuation and fire protection, high thermal conductivity and overload resistance, The effect of excellent electrical insulation performance
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[0011] Below in conjunction with accompanying drawing, the present invention will be further described
[0012] New MIC long-length mineral insulated fireproof cable is composed of copper conductor 1, insulating layer 2 and copper sheath 3, copper conductor 1 is covered by insulating layer 2, insulating layer 2 is covered with copper sheath 3, and the conductor is in accordance with the regulations of GB / T3956 , A class A single solid core conductor is used, the insulating layer 2 is formed by compacting and filling magnesium oxide powder with a vibration compacting device, and the copper sheath is formed by argon arc longitudinal seam welding of copper tape roll forming.
[0013] The product can be widely used in explosion-proof systems and equipment, fire hazard areas (petrochemical industry, nuclear power plants, etc.), high-temperature occasions (metallurgical industry, power plants, etc.), underground lines (subway, tunnels, mines, etc.), and places requiring special safet...
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