High-temperature-resistant soft control cable for maritime oil and gas engineering and manufacturing method thereof
A technology for controlling cables and manufacturing methods, which is applied in the direction of cable/conductor manufacturing, insulated cables, and bendable cables, etc., which can solve the problem of inability to meet the high temperature operating environment requirements of offshore oil and gas engineering cables, high temperature resistance, large carrying capacity and high moisture Corrosion, unsuitable insulating materials and other problems, to achieve excellent anti-seawater corrosion performance, avoid melting dripping, and long service life
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Embodiment 1
[0023] Such as figure 1 As shown, the high-temperature-resistant soft control cable for offshore oil and gas engineering of the present invention is manufactured according to the following steps: extruding a chemically cross-linked polyolefin insulating layer 2 on the periphery of a tinned annealed stranded copper conductor 1 of 0.35 mm to form an insulating wire core, A plurality of insulated wire cores are twisted to the right with a pitch ratio of 20 times to form a cable core, and an inner sheath 3 is extruded on the outer periphery of the cable core, and the outer periphery of the inner sheath 3 is covered with copper alloy wire braided armor layer 4, and then wrap the waterproof tape 5 around the outer periphery of the copper alloy wire braided armor layer 4, and finally extrude the outer sheath 6 on the outer periphery of the waterproof tape.
[0024] Among them, the minimum thickness of the chemically cross-linked polyolefin insulating layer 2 is not less than 90% of t...
Embodiment 2
[0028] The high-temperature-resistant soft control cable for offshore oil and gas engineering of the present invention is manufactured according to the following steps: extrude a chemically cross-linked polyolefin insulating layer 2 on the outer periphery of a tinned annealed stranded copper conductor 1 of 1.25mm2 to form an insulating wire core, and multiple wires The insulated wire core is twisted rightward at a pitch ratio of 22 times to form a cable core, and an inner sheath 3 is extruded on the outer periphery of the cable core, and the outer periphery of the inner sheath 3 is covered with a copper alloy wire braided armor layer 4, Then wrap the waterproof tape 5 around the outer periphery of the copper alloy wire braided armor layer 4, and finally extrude the outer sheath 6 on the outer periphery of the waterproof tape.
[0029]Among them, the minimum thickness of the chemically cross-linked polyolefin insulating layer 2 is not less than 90% of the nominal value, the maxi...
Embodiment 3
[0033] The high-temperature-resistant soft control cable for offshore oil and gas engineering of the present invention is manufactured according to the following steps: extrude a chemically cross-linked polyolefin insulating layer 2 on the outer periphery of a 2.5mm2 tinned annealed stranded copper conductor 1 to form an insulating wire core, and multiple wires The insulated wire core is twisted to the right with a pitch ratio of 24 times to form a cable core, and an inner sheath 3 is extruded on the outer periphery of the cable core, and the outer periphery of the inner sheath 3 is covered with a copper alloy wire braided armor layer 4, Then wrap the waterproof tape 5 around the outer periphery of the copper alloy wire braided armor layer 4, and finally extrude the outer sheath 6 on the outer periphery of the waterproof tape.
[0034] Among them, the minimum thickness of the chemically cross-linked polyolefin insulating layer 2 is not less than 90% of the nominal value, the ma...
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