CN104795161A - Power cable for marine engineering equipment and preparation technology thereof - Google Patents

Power cable for marine engineering equipment and preparation technology thereof Download PDF

Info

Publication number
CN104795161A
CN104795161A CN201410534518.3A CN201410534518A CN104795161A CN 104795161 A CN104795161 A CN 104795161A CN 201410534518 A CN201410534518 A CN 201410534518A CN 104795161 A CN104795161 A CN 104795161A
Authority
CN
China
Prior art keywords
cable
low
smoke
halogen
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410534518.3A
Other languages
Chinese (zh)
Inventor
余静成
黄晓军
张传斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI STAR CABLE Co Ltd
Original Assignee
ANHUI STAR CABLE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ANHUI STAR CABLE Co Ltd filed Critical ANHUI STAR CABLE Co Ltd
Priority to CN201410534518.3A priority Critical patent/CN104795161A/en
Publication of CN104795161A publication Critical patent/CN104795161A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Landscapes

  • Insulated Conductors (AREA)

Abstract

The invention relates to the technical field of manufacture of cables for marine engineering equipment, and specifically refers to a power cable for marine engineering equipment and a preparation technology thereof. The cable comprises a cabling wire core which is formed by stranding a plurality of insulated wire cores. Each insulated wire core comprises a cable conductor formed by stranding a plurality of tinned copper wires, the cable conductor is wrapped with a fireproof layer, and the fireproof layer is wrapped with an insulating layer. The outer layer of the cabling wire core is provided with an oil-resistant inner sheath layer, and a filling rope is arranged between the oil-resistant inner sheath layer and the insulated wire cores. The outer layer of the oil-resistant inner sheath layer is provided with a braided armoring layer, and an oil-resistant outer sheath layer is arranged outside the braided armoring layer in an extruding manner. The power cable for marine engineering equipment disclosed by the invention has the characteristics of compact structure, high mechanical strength, flame retardancy, ultraviolet resistance, fireproofing, high oil resistance, and no pollution after combustion. Because of the improvement of the preparation technology, the overall mass of the cable is reduced and optimized obviously, and the distortion resistance of the cable is improved greatly.

Description

A kind of marine engineering equipment power cable and preparation technology thereof
Technical field
The present invention relates to marine engineering equipment technical field of cable, specifically refer to a kind of marine engineering equipment power cable and preparation technology thereof.
Background technology
Along with countries in the world are to the exploitation energetically of marine resources, ocean engineering develops rapidly, the demand of cable for ocean engineering is constantly expanded, it is also proposed very high technical requirement simultaneously to it.Ocean engineering cable refers to supporting special cable in ocean engineering project, as all kinds of drilling machine module, the projects such as production platform power used, control and instrument cable, except requiring below the performance such as high mechanical properties, fire prevention, also special requirement possess excellent resistance to greasy dirt performance.
In prior art, ocean engineering cable generally uses shipboard cable to substitute, and its resistance to greasy dirt performance is not give prominence to especially.
Summary of the invention
For the deficiencies in the prior art, the present invention aims to provide a kind of marine engineering equipment power cable and preparation technology thereof.
For solving the problem, the invention provides following technical scheme:
A kind of marine engineering equipment power cable, described cable includes into cable core, described one-tenth cable core is by split conductor core twisted synthesizing cable, described insulated wire cores includes cable conductor, described cable conductor forms by many tinned copper wires are stranded, be surrounded with fireprotection layer outside described cable conductor, outside described fireprotection layer, be extruded with insulating barrier; The skin of described one-tenth cable core is provided with the sheath of resistance to greasy dirt, is provided with gasket for packing between the described sheath of resistance to greasy dirt and described insulated wire cores; The skin of the described sheath of resistance to greasy dirt is provided with braiding armour, is extruded with the outer jacket of resistance to greasy dirt outside described braiding armour.
Described fireprotection layer is double-deck mica tape fireprotection layer, and the thickness of described mica tape is 0.05 ~ 0.15mm, and the rate of putting up of described double-deck mica tape is not less than 20%.
Described sheath is resistance to greasy dirt 90 DEG C of irradiated crosslinking low-smoke and halogen-free polyolefin sheaths.
Described braiding armour is tinned copper wire braiding armour, and described tinned copper wire braiding armour mainly plays anti-electromagnetic interference, eliminates the effect of cable surface current potential and mechanical protection.
Described outer jacket is resistance to greasy dirt 90 DEG C of irradiated crosslinking low-smoke and halogen-free polyolefin outer jackets.
Described insulating barrier is organosilane crosslinked polyethylene insulation layer.
A preparation technology for marine engineering equipment power cable, the preparation technology of described cable comprises the following steps:
Step 1, wire drawing: (oxygen content is less than 20ppm to select high purity oxygen free copper bar, copper content is greater than 99.9%), then high purity oxygen free copper bar is drawn into copper wire through wire drawing machine, in drawing process, the temperature of drawing lubricant is controlled at 30 ~ 40 DEG C, pH value controls 7.5 ~ 8.5, and concentration is 0.5%, carries out quality inspection after copper wire has drawn;
Step 2, anneals zinc-plated: annealed by the copper wire in step 1, then carry out successively drying, cool, pickling, zinc-plated, lubrication and take-up, the tin adopted time zinc-plated is not less than No. 2 tin slabs, and proportion is 7.3g/cm 3, tensile strength 16.66N/mm 2, resistivity≤0.115 Ω .mm 2/ m, conductivity 15%, carries out quality inspection after the annealing tin plating technique of copper wire completes;
Step 3, synnema: get the tinned copper wire seven in step 2, carry out stranded by single-unit apart from bundle winch according to " 1+6 " arrangement mode, the arrangement mode of described " 1+6 " refers to: middle one, the periphery six roots of sensation is concentric regular stranded;
Or get tinned copper wire 19, according to " 1+6+12 " arrangement mode by single-unit apart from bundle winch carry out stranded, the arrangement mode of described " 1+6+12 " refers to: centre is one, secondary skin is the six roots of sensation and skin be 12 concentric regular stranded;
Or get tinned copper wire 37, carry out stranded by single-unit apart from bundle winch according to the arrangement mode of " 1+6+12+18 ", the arrangement mode of described " 1+6+12+18 " refers to: centre is one, secondary skin is the six roots of sensation, third layer be 12 and outermost layer is 18 concentric strandings, stranded middle outermost layer is left-hand, adjacent layer direction of lay is contrary, stranded complete after obtain cable conductor and carry out quality inspection;
This single-unit adopts constant tension control system apart from bundle winch, and when the diameter of tinned copper wire is not more than 1.0mm, the tension force of every root tinned copper wire is not more than 400N;
Step 4, prevents fires wrapped: choose the mica tape that thickness is 0.05 ~ 0.15mm, then by lapping device by outer for cable conductor in step 3 wrapped two-layer mica tape successively, around-packing technology obtains into cable core after completing and carries out quality inspection;
Step 5, by extruding low-smoke halogen-free polyolefin sheath outside extruder one-tenth cable core in step 4, in order to eliminate the internal stress produced in non-polar material crystallization process, low-smoke halogen-free polyolefin sheath after extruding must be immersed in tank and carry out sub-sectional cooling, the temperature of the water in its tank controls between 50 ~ 70 DEG C;
Step 6, cross-linking radiation is carried out to the low-smoke halogen-free polyolefin sheath in step 5 and obtains irradiated crosslinking low-smoke and halogen-free polyolefin sheath, quality inspection is carried out after irradiation crosslinking processes completes, described low-smoke halogen-free polyolefin sheath, by after irradiation crosslinking processes, can improve the heatproof of low-smoke halogen-free polyolefin sheath, wear-resisting, stress crack resistant, solvent resistant and resistance to greasy dirt performance.
Step 7, first the braiding angle setting braiding machine is 40 ~ 50 °, count is not less than 85%, then weave tinned copper wire braiding armour outward by the irradiated crosslinking low-smoke and halogen-free polyolefin sheath of braiding machine in step 6, after weaving completes, carry out quality inspection;
Step 8, outside tinned copper wire braiding armour, low-smoke halogen-free polyolefin outer jacket is extruded by extruder, in order to eliminate the internal stress produced in non-polar material crystallization process, low-smoke halogen-free polyolefin outer jacket after extruding must be immersed in tank and carry out sub-sectional cooling, the temperature of the water in its tank controls between 50 ~ 70 DEG C;
Step 9, cross-linking radiation is carried out to the low-smoke halogen-free polyolefin outer jacket in step 8 and obtains irradiated crosslinking low-smoke and halogen-free polyolefin outer jacket, obtain cable after irradiation crosslinking processes completes and carry out quality inspection, described low-smoke halogen-free polyolefin outer jacket, by after irradiation crosslinking processes, can improve the heatproof of low-smoke halogen-free polyolefin outer jacket, wear-resisting, stress crack resistant, solvent resistant and resistance to greasy dirt performance.
Step 10, finally at the outer surface franking of the irradiated crosslinking low-smoke and halogen-free polyolefin outer jacket of cable, obtains cable finished product, then carries out final quality inspection to cable finished product, pack warehouse-in after the assay was approved after having printed mark.
The screw rod of the extruder in described step 5 and step 8 is low compression ratio low smoke and zero halogen screw rod, and the draw ratio L/D of described low compression ratio low smoke and zero halogen screw rod is 20 ~ 25, the compression ratio 1 ~ 1.5 of described low compression ratio low smoke and zero halogen screw rod; Described low-smoke halogen-free polyolefin sheath is extruded by half plsitive mold of extruder, the core rod outside cone angle of half described plsitive mold is 25 °, cone angle 35 ~ 40 °, die sleeve sizing area length are not more than 2mm in die sleeve, and the draw ratio of half described plsitive mold is not more than 1.5, equilibrium ratio 0.9 ~ 1.1.
Irradiation dose in irradiation crosslinking processes in described step 6 and step 9 is 12 ~ 14Mrad, electron beam energy is 1.5 ~ 2.5MeV, line is 10 ~ 20mA, and this irradiation crosslinking processes is mainly in order to improve the temperature resistant grade of cable, wear-resisting, stress crack resistant, solvent resistant and resistance to greasy dirt performance.
Compared with prior art, the invention has the beneficial effects as follows:
1, a kind of marine engineering equipment power cable disclosed by the invention has the feature of compact dimensions, high mechanical properties, fire-retardant, UV resistant, fire prevention and the resistance to greasy dirt of height, all material is low smoke and zero halogen environment-friendly materials, pollution-free after burning, be applicable to the environment of marine engineering equipment field height greasy dirt.
2, the sheath of a kind of marine engineering equipment power cable disclosed by the invention and outer jacket all adopt high oil resistant irradiated crosslinking low-smoke and halogen-free polyolefine material, there is the feature of double-deck oil-stain-preventing, simultaneously, after cross-linking radiation, such material has again high mechanical properties, wear-resisting, stress crack resistant, solvent-proof performance, greatly can improve the useful life of ocean engineering cable under high oil pollution environment.
3, the bundle strand of the tinned copper wire of a kind of marine engineering equipment power cable disclosed by the invention adopts single-unit apart from bundle winch, all employings constant tension control system of every root tinned copper wire controls, cable conductor particularly soft, profile very rounding after bundle strand, roundness is not more than 5%, reach regular stranded effect, in reduction overall dimension, whole cable weight, warp resistance performance, be better than similar-type products simultaneously.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of embodiments of the invention.
Description of reference numerals: cable conductor 1, fireprotection layer 2, insulating barrier 3, gasket for packing 4, sheath 5, braiding armour 6, outer jacket 7.
Embodiment
Specific embodiments of the invention are described in detail below according to Figure of description:
A kind of marine engineering equipment power cable, described cable includes into cable core, described one-tenth cable core is by split conductor core twisted synthesizing cable, described insulated wire cores includes cable conductor 1, described cable conductor 1 forms by many tinned copper wires are stranded, be surrounded with fireprotection layer 2 outside described cable conductor 1, outside described fireprotection layer 2, be extruded with insulating barrier 3; The skin of described one-tenth cable core is provided with the sheath of resistance to greasy dirt 5, is provided with gasket for packing 4 between the described sheath of resistance to greasy dirt 5 and described insulated wire cores; The skin of the described sheath of resistance to greasy dirt 5 is provided with braiding armour 6, is extruded with the outer jacket of resistance to greasy dirt 7 outside described braiding armour 6; Described fireprotection layer 2 is double-deck mica tape fireprotection layer 2, and the thickness of described mica tape is 0.05 ~ 0.15mm, and the rate of putting up of described double-deck mica tape is not less than 20%; Described sheath 5 is resistance to greasy dirt 90 DEG C of irradiated crosslinking low-smoke and halogen-free polyolefin sheaths 5; Described braiding armour 6 is tinned copper wire braiding armour 6, and described tinned copper wire braiding armour 6 mainly plays anti-electromagnetic interference, eliminates the effect of cable surface current potential and mechanical protection; Described outer jacket 7 is resistance to greasy dirt 90 DEG C of irradiated crosslinking low-smoke and halogen-free polyolefin outer jackets 7; Described insulating barrier 3 is organosilane crosslinked polyethylene insulation layer 3.
A preparation technology for marine engineering equipment power cable, the preparation technology of described cable comprises the following steps:
Step 1, wire drawing: (oxygen content is less than 20ppm to select high purity oxygen free copper bar, copper content is greater than 99.9%), then high purity oxygen free copper bar is drawn into copper wire through wire drawing machine, in drawing process, the temperature of drawing lubricant is controlled at 30 ~ 40 DEG C, pH value controls 7.5 ~ 8.5, and concentration is 0.5%, carries out quality inspection after copper wire has drawn;
Step 2, anneals zinc-plated: annealed by the copper wire in step 1, then carry out successively drying, cool, pickling, zinc-plated, lubrication and take-up, the tin adopted time zinc-plated is not less than No. 2 tin slabs, and proportion is 7.3g/cm 3, tensile strength 16.66N/mm 2, resistivity≤0.115 Ω .mm 2/ m, conductivity 15%, carries out quality inspection after the annealing tin plating technique of copper wire completes;
Step 3, synnema: get the tinned copper wire seven in step 2, carry out stranded by single-unit apart from bundle winch according to " 1+6 " arrangement mode, the arrangement mode of described " 1+6 " refers to: middle one, the periphery six roots of sensation is concentric regular stranded;
Or get tinned copper wire 19, according to " 1+6+12 " arrangement mode by single-unit apart from bundle winch carry out stranded, the arrangement mode of described " 1+6+12 " refers to: centre is one, secondary skin is the six roots of sensation and skin be 12 concentric regular stranded;
Or get tinned copper wire 37, carry out stranded by single-unit apart from bundle winch according to the arrangement mode of " 1+6+12+18 ", the arrangement mode of described " 1+6+12+18 " refers to: centre is one, secondary skin is the six roots of sensation, third layer be 12 and outermost layer is 18 concentric strandings, stranded middle outermost layer is left-hand, adjacent layer direction of lay is contrary, stranded complete after obtain cable conductor 1 and carry out quality inspection;
This single-unit adopts constant tension control system apart from bundle winch, and when the diameter of tinned copper wire is not more than 1.0mm, the tension force of every root tinned copper wire is not more than 400N;
Step 4, prevents fires wrapped: choose the mica tape that thickness is 0.05 ~ 0.15mm, then by lapping device by outer for cable conductor in step 31 wrapped two-layer mica tape successively, around-packing technology obtains into cable core after completing and carries out quality inspection;
Step 5, by extruding low-smoke halogen-free polyolefin sheath 5 outside extruder one-tenth cable core in step 4, in order to eliminate the internal stress produced in non-polar material crystallization process, low-smoke halogen-free polyolefin sheath 5 after extruding must be immersed in tank and carry out sub-sectional cooling, the temperature of the water in its tank controls between 50 ~ 70 DEG C;
Step 6, cross-linking radiation is carried out to the low-smoke halogen-free polyolefin sheath 5 in step 5 and obtains irradiated crosslinking low-smoke and halogen-free polyolefin sheath 5, quality inspection is carried out after irradiation crosslinking processes completes, described low-smoke halogen-free polyolefin sheath 5, by after irradiation crosslinking processes, can improve the heatproof of low-smoke halogen-free polyolefin sheath 5, wear-resisting, stress crack resistant, solvent resistant and resistance to greasy dirt performance.
Step 7, first the braiding angle setting braiding machine is 40 ~ 50 °, count is not less than 85%, then by the irradiated crosslinking low-smoke and halogen-free polyolefin sheath 5 outer braiding tinned copper wire braiding armour 6 of braiding machine in step 6, after weaving completes, quality inspection is carried out;
Step 8, outside tinned copper wire braiding armour 6, low-smoke halogen-free polyolefin outer jacket 7 is extruded by extruder, in order to eliminate the internal stress produced in non-polar material crystallization process, low-smoke halogen-free polyolefin outer jacket 7 after extruding must be immersed in tank and carry out sub-sectional cooling, the temperature of the water in its tank controls between 50 ~ 70 DEG C;
Step 9, cross-linking radiation is carried out to the low-smoke halogen-free polyolefin outer jacket 7 in step 8 and obtains irradiated crosslinking low-smoke and halogen-free polyolefin outer jacket 7, obtain cable after irradiation crosslinking processes completes and carry out quality inspection, described low-smoke halogen-free polyolefin outer jacket 7, by after irradiation crosslinking processes, can improve the heatproof of low-smoke halogen-free polyolefin outer jacket 7, wear-resisting, stress crack resistant, solvent resistant and resistance to greasy dirt performance.
Step 10, finally at the outer surface franking of the irradiated crosslinking low-smoke and halogen-free polyolefin outer jacket 7 of cable, obtains cable finished product, then carries out final quality inspection to cable finished product, pack warehouse-in after the assay was approved after having printed mark.
The screw rod of the extruder in described step 5 and step 8 is low compression ratio low smoke and zero halogen screw rod, and the draw ratio L/D of described low compression ratio low smoke and zero halogen screw rod is 20 ~ 25, the compression ratio 1 ~ 1.5 of described low compression ratio low smoke and zero halogen screw rod; Described low-smoke halogen-free polyolefin sheath 5 is extruded by half plsitive mold of extruder, the core rod outside cone angle of half described plsitive mold is 25 °, cone angle 35 ~ 40 °, die sleeve sizing area length are not more than 2mm in die sleeve, and the draw ratio of half described plsitive mold is not more than 1.5, equilibrium ratio 0.9 ~ 1.1.
Irradiation dose in irradiation crosslinking processes in described step 6 and step 9 is 12 ~ 14Mrad, electron beam energy is 1.5 ~ 2.5MeV, line is 10 ~ 20mA, and this irradiation crosslinking processes is mainly in order to improve the temperature resistant grade of cable, wear-resisting, stress crack resistant, solvent resistant and resistance to greasy dirt performance.
Compared with prior art, the invention has the beneficial effects as follows:
1, a kind of marine engineering equipment power cable disclosed by the invention has the feature of compact dimensions, high mechanical properties, fire-retardant, UV resistant, fire prevention and the resistance to greasy dirt of height, all material is low smoke and zero halogen environment-friendly materials, pollution-free after burning, be applicable to the environment of marine engineering equipment field height greasy dirt.
2, the sheath 5 of a kind of marine engineering equipment power cable disclosed by the invention and outer jacket 7 all adopt high oil resistant irradiated crosslinking low-smoke and halogen-free polyolefine material, there is the feature of double-deck oil-stain-preventing, simultaneously, after cross-linking radiation, such material has again high mechanical properties, wear-resisting, stress crack resistant, solvent-proof performance, greatly can improve the useful life of ocean engineering cable under high oil pollution environment.
3, the bundle strand of the tinned copper wire of a kind of marine engineering equipment power cable disclosed by the invention adopts single-unit apart from bundle winch, all employings constant tension control system of every root tinned copper wire controls, cable conductor 1 particularly soft, profile very rounding after bundle strand, roundness is not more than 5%, reach regular stranded effect, in reduction overall dimension, whole cable weight, warp resistance performance, be better than similar-type products simultaneously.
The above, it is only preferred embodiment of the present invention, not any restriction is made to technical scope of the present invention, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.

Claims (10)

1. a marine engineering equipment power cable, it is characterized in that: described cable includes into cable core, described one-tenth cable core is by split conductor core twisted synthesizing cable, described insulated wire cores includes cable conductor, described cable conductor forms by many tinned copper wires are stranded, be surrounded with fireprotection layer outside described cable conductor, outside described fireprotection layer, be extruded with insulating barrier; The skin of described one-tenth cable core is provided with the sheath of resistance to greasy dirt, is provided with gasket for packing between the described sheath of resistance to greasy dirt and described insulated wire cores; The skin of the described sheath of resistance to greasy dirt is provided with braiding armour, is extruded with the outer jacket of resistance to greasy dirt outside described braiding armour.
2. a kind of marine engineering equipment power cable according to claim 1, is characterized in that: described fireprotection layer is double-deck mica tape fireprotection layer, and the thickness of described mica tape is 0.05 ~ 0.15mm.
3. a kind of marine engineering equipment power cable according to claim 1, is characterized in that: described sheath is resistance to greasy dirt 90 DEG C of irradiated crosslinking low-smoke and halogen-free polyolefin sheaths.
4. a kind of marine engineering equipment power cable according to claim 1, is characterized in that: described braiding armour is tinned copper wire braiding armour.
5. a kind of marine engineering equipment power cable according to claim 1, is characterized in that: described outer jacket is resistance to greasy dirt 90 DEG C of irradiated crosslinking low-smoke and halogen-free polyolefin outer jackets.
6. a kind of marine engineering equipment power cable according to claim 1, is characterized in that: described insulating barrier is organosilane crosslinked polyethylene insulation layer.
7. the preparation technology of a kind of marine engineering equipment power cable according to claim 1, is characterized in that: the preparation technology of described cable comprises the following steps:
Step 1, wire drawing: (oxygen content is less than 20ppm to select high purity oxygen free copper bar, copper content is greater than 99.9%), then high purity oxygen free copper bar is drawn into copper wire through wire drawing machine, in drawing process, the temperature of drawing lubricant is controlled at 30 ~ 40 DEG C, pH value controls 7.5 ~ 8.5, and concentration is 0.5%, carries out quality inspection after copper wire has drawn;
Step 2, anneals zinc-plated: annealed by the copper wire in step 1, then carry out successively drying, cool, pickling, zinc-plated, lubrication and take-up, the tin adopted time zinc-plated is not less than No. 2 tin slabs, and proportion is 7.3g/cm 3, tensile strength 16.66N/mm 2, resistivity≤0.115 Ω .mm 2/ m, conductivity 15%, carries out quality inspection after the annealing tin plating technique of copper wire completes;
Step 3, synnema: get the tinned copper wire seven in step 2, carry out stranded by single-unit apart from bundle winch according to " 1+6 " arrangement mode, the arrangement mode of described " 1+6 " refers to: middle one, the periphery six roots of sensation is concentric regular stranded;
Or get tinned copper wire 19, according to " 1+6+12 " arrangement mode by single-unit apart from bundle winch carry out stranded, the arrangement mode of described " 1+6+12 " refers to: centre is one, secondary skin is the six roots of sensation and skin be 12 concentric regular stranded;
Or get tinned copper wire 37, carry out stranded by single-unit apart from bundle winch according to the arrangement mode of " 1+6+12+18 ", the arrangement mode of described " 1+6+12+18 " refers to: centre is one, secondary skin is the six roots of sensation, third layer be 12 and outermost layer is 18 concentric strandings, stranded middle outermost layer is left-hand, adjacent layer direction of lay is contrary, stranded complete after obtain cable conductor and carry out quality inspection;
Step 4, prevents fires wrapped: choose the mica tape that thickness is 0.05 ~ 0.15mm, then by lapping device by outer for cable conductor in step 3 wrapped two-layer mica tape successively, around-packing technology obtains into cable core after completing and carries out quality inspection;
Step 5, by extruding low-smoke halogen-free polyolefin sheath outside extruder one-tenth cable core in step 4, then carries out sub-sectional cooling to extruding rear low-smoke halogen-free polyolefin sheath;
Step 6, carries out cross-linking radiation to the low-smoke halogen-free polyolefin sheath in step 5 and obtains irradiated crosslinking low-smoke and halogen-free polyolefin sheath, carry out quality inspection after irradiation crosslinking processes completes;
Step 7, first the braiding angle setting braiding machine is 40 ~ 50 °, count is not less than 85%, then weave tinned copper wire braiding armour outward by the irradiated crosslinking low-smoke and halogen-free polyolefin sheath of braiding machine in step 6, after weaving completes, carry out quality inspection;
Step 8, extruding low-smoke halogen-free polyolefin outer jacket by extruder, then carrying out sub-sectional cooling to extruding rear low-smoke halogen-free polyolefin outer jacket outside tinned copper wire braiding armour;
Step 9, carries out cross-linking radiation to the low-smoke halogen-free polyolefin outer jacket in step 8 and obtains irradiated crosslinking low-smoke and halogen-free polyolefin outer jacket, obtain cable and carry out quality inspection after irradiation crosslinking processes completes;
Step 10, finally at the outer surface franking of the irradiated crosslinking low-smoke and halogen-free polyolefin outer jacket of cable, obtains cable finished product, then carries out final quality inspection to cable finished product, pack warehouse-in after the assay was approved after having printed mark.
8. the preparation technology of a kind of marine engineering equipment power cable according to claim 7, it is characterized in that: the screw rod of the extruder in described step 5 and step 8 is low compression ratio low smoke and zero halogen screw rod, the draw ratio L/D of described low compression ratio low smoke and zero halogen screw rod is 20 ~ 25, the compression ratio 1 ~ 1.5 of described low compression ratio low smoke and zero halogen screw rod; Described low-smoke halogen-free polyolefin sheath is extruded by half plsitive mold of extruder, the core rod outside cone angle of half described plsitive mold is 25 °, cone angle 35 ~ 40 °, die sleeve sizing area length are not more than 2mm in die sleeve, and the draw ratio of half described plsitive mold is not more than 1.5, equilibrium ratio 0.9 ~ 1.1.
9. the preparation technology of a kind of marine engineering equipment power cable according to claim 7, it is characterized in that: the irradiation dose in the irradiation crosslinking processes in described step 6 and step 9 is 12 ~ 14Mrad, electron beam energy is 1.5 ~ 2.5MeV, and line is 10 ~ 20mA.
10. the preparation technology of a kind of marine engineering equipment power cable according to claim 7, is characterized in that: the temperature of the water trough inner water in described step 5 and step 8 controls between 50 ~ 70 DEG C.
CN201410534518.3A 2014-10-11 2014-10-11 Power cable for marine engineering equipment and preparation technology thereof Pending CN104795161A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410534518.3A CN104795161A (en) 2014-10-11 2014-10-11 Power cable for marine engineering equipment and preparation technology thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410534518.3A CN104795161A (en) 2014-10-11 2014-10-11 Power cable for marine engineering equipment and preparation technology thereof

Publications (1)

Publication Number Publication Date
CN104795161A true CN104795161A (en) 2015-07-22

Family

ID=53559910

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410534518.3A Pending CN104795161A (en) 2014-10-11 2014-10-11 Power cable for marine engineering equipment and preparation technology thereof

Country Status (1)

Country Link
CN (1) CN104795161A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105719770A (en) * 2016-05-04 2016-06-29 南京全信传输科技股份有限公司 Double-layered flat wire braided shielding cable and preparation method
CN105741978A (en) * 2016-02-04 2016-07-06 远东电缆有限公司 Production technology of smart energy small-section locomotive wire
CN110465552A (en) * 2019-07-24 2019-11-19 扬州华声电子实业有限公司 A kind of many-headed wire technique and process units
CN113345632A (en) * 2021-06-23 2021-09-03 深圳市金环宇电线电缆有限公司 Tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace and manufacturing device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04349311A (en) * 1991-05-24 1992-12-03 Fujikura Ltd Flame retardant electric cable
CN201741427U (en) * 2010-04-23 2011-02-09 江苏远洋东泽电缆股份有限公司 Transverse water seal low-voltage cable for ship and oceanographic engineering
CN102426883A (en) * 2011-12-30 2012-04-25 湖南华菱线缆股份有限公司 Cable for ocean engineering
CN102831968A (en) * 2012-09-27 2012-12-19 无锡市恒汇电缆有限公司 Ratproof termite-proof fireproof multifunctional rubber jacket branch cable and manufacturing method thereof
CN202796126U (en) * 2012-09-26 2013-03-13 扬州亚光电缆有限公司 High flame-retardant and environment-friendly measurement and control cable for ships

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04349311A (en) * 1991-05-24 1992-12-03 Fujikura Ltd Flame retardant electric cable
CN201741427U (en) * 2010-04-23 2011-02-09 江苏远洋东泽电缆股份有限公司 Transverse water seal low-voltage cable for ship and oceanographic engineering
CN102426883A (en) * 2011-12-30 2012-04-25 湖南华菱线缆股份有限公司 Cable for ocean engineering
CN202796126U (en) * 2012-09-26 2013-03-13 扬州亚光电缆有限公司 High flame-retardant and environment-friendly measurement and control cable for ships
CN102831968A (en) * 2012-09-27 2012-12-19 无锡市恒汇电缆有限公司 Ratproof termite-proof fireproof multifunctional rubber jacket branch cable and manufacturing method thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
陈仲等: "《中国电气工程大典》", 31 March 2009 *
陈翠香,陆云春: "船舶和海洋工程变频装置用中压电缆的研制", 《江苏船舶》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105741978A (en) * 2016-02-04 2016-07-06 远东电缆有限公司 Production technology of smart energy small-section locomotive wire
CN105741978B (en) * 2016-02-04 2018-07-03 远东电缆有限公司 Wisdom energy small bore locomotive electric wire production technology
CN105719770A (en) * 2016-05-04 2016-06-29 南京全信传输科技股份有限公司 Double-layered flat wire braided shielding cable and preparation method
CN110465552A (en) * 2019-07-24 2019-11-19 扬州华声电子实业有限公司 A kind of many-headed wire technique and process units
CN110465552B (en) * 2019-07-24 2021-02-12 扬州华声电子实业有限公司 Multi-head wire drawing process and production device
CN113345632A (en) * 2021-06-23 2021-09-03 深圳市金环宇电线电缆有限公司 Tin-plated copper core fluorinated ethylene propylene insulated wire for aerospace and manufacturing device

Similar Documents

Publication Publication Date Title
CN104715840B (en) The maritime platform essential safe type oil resistant fireproof cable of resistance to mud and preparation technology
CN104240810A (en) Level-1E cable for gentle environment of third-generation passive nuclear power plant and producing method thereof
CN102760517B (en) Heat-resistant instrument cable for ships and manufacturing process of heat-resistant instrument cable
CN201611593U (en) Mining power cable
CN101656127B (en) Thin-wall crosslink low smoke cables for ships communication or control signal and preparation method thereof
RU2658308C2 (en) Armored mounting cable, mainly fire and explosion safe, including that for the intrinsically safe circuits
CN102364591B (en) Hard ethylene propylene rubber insulated control cable for ships and ocean and manufacturing method thereof
CN105206346A (en) Multifunctional fire-resistant environment-friendly audio signal cable and preparation technology thereof
CN102347103B (en) Hard EPR (ethylene propylene rubber) insulated instrument cable for ships and oceans and manufacturing method thereof
CN104916366A (en) High strength light marine cable and preparation method thereof
CN104795161A (en) Power cable for marine engineering equipment and preparation technology thereof
CN203966616U (en) The flexible corrosion-proof type degaussing cable of high tensile for a kind of naval vessel
CN108511113A (en) A kind of fire safe type naval vessel electric power and signal data transmission composite rope and its manufacturing process
CN105761828B (en) A kind of core photoelectric composite submarine cables of rated voltage 220kV two
CN104036854A (en) High-tensile flexible corrosion-resistant degaussing cable for ship
CN204423958U (en) The maritime platform essential safe type oil resistant fireproof cable of resistance to mud
CN202694975U (en) Power cable special for oil well
CN105845263B (en) Computer transmission cable and preparation method thereof
CN102347107B (en) Hard EPR (ethylene propylene rubber) insulated power cable for ships and oceans and manufacturing method thereof
CN201570296U (en) Environmental-protection temperature-resistant and oil-resistant flexible cable for ships and warships
CN201758017U (en) Low-smoke halogen-free environment-friendly flame-retardant intrinsic safety system control cable
CN205943533U (en) Low -voltage power cable for nuclear power plant
CN204463936U (en) Novel computer transmission cable
CN202650700U (en) Low-smoke halogen-free low-toxicity digital signal category-5e rodent-proof communication cable for naval vessel
CN202650703U (en) Light-weight and thin-wall insulated communication cable used in ships and warships

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20150722

WD01 Invention patent application deemed withdrawn after publication