CN219642584U - Ultraviolet crosslinked insulating explosion-proof cable for electric instrument of ocean oil gas platform - Google Patents
Ultraviolet crosslinked insulating explosion-proof cable for electric instrument of ocean oil gas platform Download PDFInfo
- Publication number
- CN219642584U CN219642584U CN202320682816.1U CN202320682816U CN219642584U CN 219642584 U CN219642584 U CN 219642584U CN 202320682816 U CN202320682816 U CN 202320682816U CN 219642584 U CN219642584 U CN 219642584U
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- Prior art keywords
- ultraviolet light
- cable
- crosslinked insulating
- explosion
- proof cable
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- 239000010410 layer Substances 0.000 claims abstract description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000000741 silica gel Substances 0.000 claims abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 15
- 239000003365 glass fiber Substances 0.000 claims abstract description 12
- 239000003063 flame retardant Substances 0.000 claims abstract description 11
- 239000011256 inorganic filler Substances 0.000 claims abstract description 10
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 10
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 229920000098 polyolefin Polymers 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 27
- 239000011295 pitch Substances 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 239000010949 copper Substances 0.000 claims description 20
- 238000009954 braiding Methods 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 16
- 238000004132 cross linking Methods 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 9
- 239000002002 slurry Substances 0.000 abstract description 6
- 230000002265 prevention Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000004709 Chlorinated polyethylene Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model provides an ultraviolet light crosslinked insulating explosion-proof cable for an electric instrument of an ocean oil gas platform, which comprises a cable core, wherein an inorganic filler is filled in a gap of the cable core, an environment-friendly glass fiber wrapping belt is wrapped outside the cable core, a ceramic silica gel inner protective layer is extruded, a composite shielding layer is woven outside the ceramic silica gel inner protective layer, and a high-flame-retardant low-smoke halogen-free oil mud-resistant polyolefin outer sheath is extruded on the outermost layer; the utility model has the advantages of oil resistance, slurry resistance, high flame retardance, explosion prevention safety, meeting the requirements of the severe environment of the ocean oil and gas platform, solving the problems of potential safety hazards such as explosion and the like, being safe for long-term use and having good economical efficiency and practicability.
Description
Technical Field
The utility model relates to the field of wires and cables, in particular to an ultraviolet crosslinking insulating explosion-proof cable for an electric instrument of an ocean oil and gas platform.
Background
The ocean oil and gas platform is provided with a plurality of inflammable and explosive substances, and in order to ensure the safe and efficient operation of the platform, the control and signal transmission of the electrical equipment of the platform are connected and controlled by an explosion-proof cable with oil resistance, corrosion resistance and interference resistance;
because the cable working environment for the electric instrument of the ocean oil gas platform is special, a large amount of inflammable and explosive oil gas substances can be necessarily existed, the problems of potential safety hazards such as explosion still exist, the continuous use is influenced, and the occurrence of safety accidents is extremely easy to cause. The offshore oil platform is far away from land, so that once a fire disaster occurs, if the rescue emergency system does not respond timely, a great deal of personnel and property losses can be caused.
The above problems are to be improved.
Disclosure of Invention
The utility model provides an ultraviolet crosslinking insulating explosion-proof cable for an electric instrument of an ocean oil-gas platform, which has the performances of oil resistance, slurry resistance, high flame retardance and the like and meets the requirements of the severe environment of the ocean oil-gas platform.
The ultraviolet light crosslinked insulating explosion-proof cable for the electric instrument of the ocean oil gas platform comprises a cable core, wherein inorganic fillers are filled in gaps of the cable core, an environment-friendly glass fiber wrapping tape is wrapped outside the cable core, a ceramic silica gel inner protective layer is extruded, a composite shielding layer is woven outside the ceramic silica gel inner protective layer, and a high-flame-retardant low-smoke halogen-free oil mud-resistant polyolefin outer sheath is extruded on the outermost layer; the cable core is formed by twisting a plurality of ultraviolet light crosslinked insulating twisted pair shielding wires, 2 ultraviolet light crosslinked insulating twisted pair shielding wires are placed in the center of the cable, and the ultraviolet light crosslinked insulating twisted pair shielding wires are arranged outside the 2 ultraviolet light crosslinked insulating twisted pair shielding wires in the center in a round mode.
Further improved, the ultraviolet light crosslinked insulating twisted pair shielding wire is flat, and is formed by twisting a pair of insulating shielding wire cores and braiding 80 tinned soft copper monofilaments with the diameter of 0.15mm outside the pair of insulating shielding wire cores to form a shielding layer, wherein the braiding shielding density is 85% -90%.
Further improved, the insulated shielding wire core is formed by extruding an ultraviolet crosslinked insulating layer outside the tinned high-purity soft copper conductor.
Further improved, the pair twisting pitches of the two adjacent ultraviolet light crosslinked insulating pair twisting shielding wires are respectively different by 3 percent, and the pitch ratio is not more than 10 times.
Further improved, the inorganic filler is an environment-friendly alkaline glass fiber filling rope, and the diameter of the inorganic filler is not more than 5mm.
Further improved, the thickness of the environment-friendly glass fiber wrapping belt is 0.25mm, and the width is 40mm.
Further improved, the thickness of the ceramic silica gel inner protective layer is not more than 1.2mm.
Further improved, the composite shielding layer is formed by mixed braiding of 120 nonmagnetic stainless steel filaments and 48 tin-plated soft copper filaments, the braiding density is not less than 90%, and every 5 adjacent nonmagnetic stainless steel filaments are separated by 2 tin-plated soft copper filaments during braiding.
Further improved, the diameter of the nonmagnetic stainless steel filament is equal to that of the tinned soft copper wire and is not more than 0.3mm.
The utility model has the beneficial effects that:
the cable core insulation adopts ultraviolet crosslinking insulation, so that the cable core insulation has good insulation performance, is convenient to produce and has high efficiency; the pitch ratio of the twisted wire core is not more than 10 times, so that the flexibility and the bendability of the cable are improved; the electromagnetic coupling of the cable is reduced due to different pitches of adjacent twisted shielding wire cores, the stability of the parameters of a cable loop is ensured, and the capacitance and inductance of the cable are reduced;
the environment-friendly inorganic filling, wrapping tape and ceramic silica gel inner protective layer combination is adopted in the cable, so that the cable is round, soft, compact, corrosion-resistant and environment-friendly while the high flame retardant property is ensured;
the composite shielding layer of the cable is formed by mixed braiding of nonmagnetic stainless steel filaments and tin-plated soft copper filaments, and the braiding density is not less than 90%; the tin-plated soft copper wire increases the conductivity of the shielding layer, the nonmagnetic stainless steel thin wire increases the tensile property and the torsion resistance of the cable, and the composite shielding layer protects the cable from the interference of an external electromagnetic field and ensures the explosion resistance of the cable;
the cable sheath adopts the high-flame-retardant low-smoke halogen-free oil sludge-resistant polyolefin outer sheath, and when the cable burns, the high-flame-retardant low-smoke halogen-free oil sludge-resistant polyolefin can dilute combustible gas, so that the cable can be prevented from burning; the cable has the performances of oil resistance, slurry resistance, high flame retardance and the like, and meets the requirements of the severe environment of the marine oil-gas platform;
the cable has the advantages of oil resistance, slurry resistance, high flame retardance, explosion prevention safety, meeting the requirements of the severe environment of an ocean oil and gas platform, solving the problems of potential safety hazards such as explosion and the like, being safe for long-term use and having good economical efficiency and practicability; and meets the requirements of ocean engineering on the performances of low smoke, no halogen, flame retardance and the like of the cable, and the pH value and the conductivity of halogen gas and gas aqueous solution which are emitted by the cable during combustion are low.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a composite shielding layer deployment structure;
in the figure: 1: ultraviolet light crosslinking insulating twisted pair shielding wire; 1-1: tinning a high-purity soft copper conductor; 1-2: an ultraviolet crosslinking insulating layer; 1-3: a shielding layer; 2: a plurality of strands of inorganic filler; 3: environment-friendly glass fiber wrapping belt; 4: ceramic silica gel inner protective layer; 5: a composite shielding layer; 6: a high flame retardant chlorinated polyethylene outer sheath; 7: nonmagnetic stainless steel filament 8: tinning the soft copper wire.
Description of the embodiments
The utility model is further described below with reference to the drawings and the detailed description.
1-2, an ultraviolet light crosslinked insulating explosion-proof cable for an electric instrument of an ocean oil gas platform comprises an ultraviolet light crosslinked insulating twisted pair shielding wire 1, wherein the ultraviolet light crosslinked insulating twisted pair shielding wire 1 is flat and is formed by twisting a pair of insulating shielding wire cores, braiding 80 tinned soft copper monofilaments with the diameter of 0.15mm outside the pair of insulating shielding wire cores to form a shielding layer 1-3, and the braiding shielding density is 85% -90%; the shielding wire is composed of a tinned high-purity soft copper conductor 1-1 and an ultraviolet crosslinked insulating layer 1-2 extruded outside the tinned high-purity soft copper conductor.
2 ultraviolet crosslinked insulating twisted pair shielding wires are placed in the center of the cable, a plurality of ultraviolet crosslinked insulating twisted pair shielding wires are distributed outside the 2 ultraviolet crosslinked insulating twisted pair shielding wires in a round mode, all the ultraviolet crosslinked insulating twisted pair shielding wires are twisted into a cable core, a plurality of inorganic fillers 2 are filled in gaps of the twisted cable core, and each inorganic filler is an environment-friendly alkaline glass fiber filling rope with the diameter not more than 5mm.
It should be noted that: the pair twisting pitches of two adjacent ultraviolet crosslinking insulating pair twisting shielding wires are respectively different by 3%, and the pitch ratio is not more than 10 times.
Then, the environment-friendly glass fiber wrapping tape 3 with the thickness of 0.25mm and the width of 40mm is wrapped outside the cable core, the ceramic silica gel inner protective layer 4 with the thickness of not more than 1.2mm is extruded, the composite shielding layer 5 is woven outside the ceramic silica gel inner protective layer, and the high flame retardant chlorinated polyethylene outer sheath 6 is extruded on the outermost layer.
It should be noted that: the composite shielding layer is formed by mixed braiding of 120 nonmagnetic stainless steel filaments 7 and 48 tinned soft copper wires 8, and the braiding density is not less than 90%; and 120 nonmagnetic stainless steel filaments are used as a unit by 5 adjacent nonmagnetic stainless steel filaments, 2 tin-plated soft copper wires are arranged between every two adjacent units at intervals, and the like; the diameter of the nonmagnetic stainless steel filament is equal to that of the tinned soft copper wire and is not more than 0.3mm.
Examples
Firstly, 80 tinned high-purity soft copper monofilaments with the diameter of 0.15mm are selected and twisted by an S-400 beam twisting machine to prepare the high-purity soft copper wire with the cross section of 1.5mm 2 The tinned high-purity soft copper conductor 1-1 is extruded and packaged by a 300-type ultraviolet crosslinking unitThe insulating shielding wire core is prepared after the ultraviolet light crosslinking insulating layer 1-2 with the edge thickness of 0.7 mm;
twisting two insulated shielding wire cores with the pitch of 60mm, braiding 80 tinned soft copper monofilaments with the diameter of 0.15mm by using a 24-spindle braiding machine to form a shielding layer 1-3, wherein the braiding density is 86%, and obtaining the ultraviolet crosslinking insulated twisted pair shielding wire 1;
then, respectively preparing the ultraviolet crosslinking insulating twisted pair shielding wire cores with the pitch of 58.2mm, the pitch of 56.5mm, the pitch of 54.8mm, the pitch of 53.2mm, the pitch of 51.6mm, the pitch of 50.1mm, the pitch of 48.6mm, the pitch of 47.2mm, the pitch of 45.8mm, the pitch of 44.4mm and the pitch of 43.1mm according to the steps; the pitch ratio of the twisted insulating shielding wire cores is not more than 10 times, so that the flexibility and the bendability of the cable are improved; the electromagnetic coupling of the cable is reduced due to different pitches of adjacent twisted shielding wire cores, the stability of the parameters of a cable loop is ensured, and the capacitance and inductance of the cable are reduced;
forming a cable by the 12 groups of ultraviolet crosslinking insulating twisted pair shielding wires and an environment-friendly alkaline glass fiber filling rope with the diameter of 5mm to obtain a round and compact cable core, and wrapping the cable core by an environment-friendly glass fiber wrapping belt 3 with the thickness of 0.25mm and the width of 40 mm; wrapping, and extruding a ceramic silica gel inner protective layer 4 with the thickness of 1.0mm by using an XJ-90 sulfur connecting unit; the environment-friendly inorganic filling, wrapping tape and ceramic silica gel inner protective layer are combined, so that the cable is round, soft, compact, corrosion-resistant and high in flame retardant property, and is more environment-friendly;
the composite shielding layer 5 is mixed and woven on the surface of the inner protective layer of the ceramic silica gel by 120 nonmagnetic stainless steel filaments 7 and 48 tin-plated soft copper wires 8 with the diameter of 0.3mm, 2 tin-plated soft copper wires are separated from every 5 adjacent nonmagnetic stainless steel filaments during weaving, and the weaving density is 91 percent; the utility model adopts the composite shielding layer, wherein the tin-plated soft copper wire increases the conductivity of the shielding layer, the nonmagnetic stainless steel thin wire increases the tensile property and torsion resistance of the cable, and the composite shielding layer protects the cable from the interference of external electromagnetic fields and ensures the explosion resistance of the cable;
finally, extruding a high-flame-retardant low-smoke halogen-free oil sludge-resistant polyolefin outer sheath 6 outside the composite shielding layer by using an XJ-120 sulfur connecting unit to finally obtain the cable, wherein the high-flame-retardant low-smoke halogen-free oil sludge-resistant polyolefin can dilute combustible gas when the cable burns, so that the combustion is prevented; the cable has the performances of oil resistance, slurry resistance, high flame retardance and the like, and meets the requirements of the severe environment of the marine oil-gas platform;
the tested resistance of the cable meets the national standard requirements of GB/T3956-2008, the core-to-core capacitance (1 kHz) is less than or equal to 115pF/m, the external magnetic field interference resistance (400A/m) is less than or equal to 5mV, and the radio frequency interference resistance (120 dB) is less than or equal to 60dB in the frequency band of 20-200 MHz; according to GB/T3048.8 electric wire and cable electric property test method, part 8: the alternating current voltage test is carried out, the detection result is 1.0kV/5min and no breakdown occurs, and the requirements are met; the other performances of the cable are detected according to the relevant national standards, and all the performances meet the requirements.
In conclusion, the cable disclosed by the utility model has the advantages of oil resistance, slurry resistance, high flame retardance and explosion prevention safety, meets the requirements of severe environments of an ocean oil and gas platform, solves the problem of potential safety hazards such as explosion and the like, can be safely used for a long time, and has good economical efficiency and practicability.
The present utility model has been described in terms of the preferred embodiments thereof, and it should be understood by those skilled in the art that various modifications can be made without departing from the principles of the utility model, and such modifications should also be considered as being within the scope of the utility model.
Claims (9)
1. An ultraviolet crosslinking insulating explosion-proof cable for an electric instrument of an ocean oil gas platform is characterized in that: the environment-friendly glass fiber reinforced plastic cable comprises a cable core, inorganic fillers are filled in gaps of the cable core, an environment-friendly glass fiber wrapping belt is wrapped outside the cable core, a ceramic silica gel inner protective layer is extruded, a composite shielding layer is woven outside the ceramic silica gel inner protective layer, and a high-flame-retardant low-smoke halogen-free oil mud-resistant polyolefin outer sheath is extruded on the outermost layer; the cable core is formed by twisting a plurality of ultraviolet light crosslinked insulating twisted pair shielding wires, 2 ultraviolet light crosslinked insulating twisted pair shielding wires are placed in the center of the cable, and the ultraviolet light crosslinked insulating twisted pair shielding wires are arranged outside the 2 ultraviolet light crosslinked insulating twisted pair shielding wires in the center in a round mode.
2. The ultraviolet light crosslinked insulating explosion-proof cable for an electrical instrument of an offshore oil and gas platform according to claim 1, wherein the ultraviolet light crosslinked insulating explosion-proof cable is characterized in that: the ultraviolet light crosslinked insulating twisted pair shielding wire is flat, and is formed by twisting a pair of insulating shielding wire cores, braiding 80 tinned soft copper monofilaments with the diameter of 0.15mm outside the pair of insulating shielding wire cores to form a shielding layer, wherein the braiding shielding density is 85% -90%.
3. The ultraviolet light crosslinked insulating explosion-proof cable for the electrical instrument of the marine oil and gas platform according to claim 2, wherein the ultraviolet light crosslinked insulating explosion-proof cable is characterized in that: the insulated shielding wire core is formed by extruding an ultraviolet crosslinked insulating layer outside the tinned high-purity soft copper conductor.
4. The ultraviolet light crosslinked insulating explosion-proof cable for an electrical instrument of an ocean oil and gas platform according to claim 1 or 2, wherein the cable is characterized in that: the pair twisting pitches of two adjacent ultraviolet crosslinking insulating pair twisting shielding wires are respectively different by 3%, and the pitch ratio is not more than 10 times.
5. The ultraviolet light crosslinked insulating explosion-proof cable for an electrical instrument of an offshore oil and gas platform according to claim 1, wherein the ultraviolet light crosslinked insulating explosion-proof cable is characterized in that: the inorganic filler is an environment-friendly alkaline glass fiber filling rope, and the diameter of the inorganic filler is not more than 5mm.
6. The ultraviolet light crosslinked insulating explosion-proof cable for an electrical instrument of an offshore oil and gas platform according to claim 1, wherein the ultraviolet light crosslinked insulating explosion-proof cable is characterized in that: the thickness of the environment-friendly glass fiber wrapping belt is 0.25mm, and the width is 40mm.
7. The ultraviolet light crosslinked insulating explosion-proof cable for an electrical instrument of an offshore oil and gas platform according to claim 1, wherein the ultraviolet light crosslinked insulating explosion-proof cable is characterized in that: the thickness of the ceramic silica gel inner protective layer is not more than 1.2mm.
8. The ultraviolet light crosslinked insulating explosion-proof cable for an electrical instrument of an offshore oil and gas platform according to claim 1, wherein the ultraviolet light crosslinked insulating explosion-proof cable is characterized in that: the composite shielding layer is formed by mixed braiding of 120 nonmagnetic stainless steel filaments and 48 tin-plated soft copper filaments, the braiding density is not less than 90%, and 2 tin-plated soft copper filaments are arranged every 5 adjacent nonmagnetic stainless steel filaments during braiding.
9. The ultraviolet light crosslinked insulating explosion-proof cable for the electrical instrument of the marine oil and gas platform according to claim 8, wherein the ultraviolet light crosslinked insulating explosion-proof cable is characterized in that: the diameter of the nonmagnetic stainless steel filament is equal to that of the tinned soft copper wire and is not more than 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682816.1U CN219642584U (en) | 2023-03-31 | 2023-03-31 | Ultraviolet crosslinked insulating explosion-proof cable for electric instrument of ocean oil gas platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320682816.1U CN219642584U (en) | 2023-03-31 | 2023-03-31 | Ultraviolet crosslinked insulating explosion-proof cable for electric instrument of ocean oil gas platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219642584U true CN219642584U (en) | 2023-09-05 |
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ID=87822542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320682816.1U Active CN219642584U (en) | 2023-03-31 | 2023-03-31 | Ultraviolet crosslinked insulating explosion-proof cable for electric instrument of ocean oil gas platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219642584U (en) |
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2023
- 2023-03-31 CN CN202320682816.1U patent/CN219642584U/en active Active
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