CN203573698U - Hydrocarbon substance aging resisting instrument cable for petrochemical plant - Google Patents
Hydrocarbon substance aging resisting instrument cable for petrochemical plant Download PDFInfo
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- CN203573698U CN203573698U CN201320703457.XU CN201320703457U CN203573698U CN 203573698 U CN203573698 U CN 203573698U CN 201320703457 U CN201320703457 U CN 201320703457U CN 203573698 U CN203573698 U CN 203573698U
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- periphery
- aluminium foil
- hydrocarbons
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- resistance
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to a hydrocarbon substance aging resisting instrument cable for a petrochemical plant. Insulation layers are arranged on the periphery of conductors in an extruded mode to form insulation wire cores, every two insulation wire cores are twisted to form one twisted wire pair, multiple sets of twisted wire pairs are twisted and form a cable core, an anti-flaming fireproof longitudinal wrapping strap, an aluminum foil composite shielding strap, a hydrocarbon substance aging resisting lining layer, a nylon internal protecting sleeve and a hydrocarbon substance aging resisting outer protecting sleeve wrap the periphery of the cable core in sequence, the aluminum foil face of the aluminum foil composite shielding strap faces inwards, and a copper wire drainage thread is arranged on the inner side of the aluminum foil composite shielding strap. The cable is capable of resisting hydrocarbon substance aging, small in outer diameter and low in weight.
Description
Technical field
The utility model relates to a kind of instrument cable, particularly the aging instrument cable of resistance to hydrocarbons for a kind of petrochemical equipment.
Background technology
A large amount of hydrocarbons is contained as oil, chemical solvent, inflammable gas etc. in petrochemical equipment district, in order to ensure on-the-spot electric operation safety, needs to adopt and can bear for a long time hydrocarbons attack aged and the cable of security of operation.What prior art adopted is airtight lead-sheathing jacketed cable, and corrosion resistance is good, can effectively isolate hydrocarbons.But this type of cable has very large drawback, Heavy Weight, external diameter be large, be not easy bending, use occasion is limited, cable termination process complicated, lose time, lead sheath contains a large amount of lead metals simultaneously, poisonous, large to environment, human health damage.
Utility model content
The purpose of this utility model is, overcome problems of the prior art, the aging instrument cable of resistance to hydrocarbons for a kind of petrochemical equipment is provided, suitable with the resistance to hydrocarbons performance of existing lead sheathed cable, but external diameter is little, lightweight, and bending radius is little, and terminal processes is simple, there is environment friendly, on health without impact.
For realizing above object, the aging instrument cable of resistance to hydrocarbons for a kind of petrochemical equipment provided by the utility model, the periphery of twisted copper conductors is evenly extruded with insulating barrier and forms instrument cable insulated wire cores, instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, the described twisted pair wire strand of many groups forms instrument cable cable core, the periphery of described instrument cable cable core is enclosed with the vertical band of flame-retardant, the periphery of the vertical band of described flame-retardant is coated with aluminium foil composite shielding band, the aluminium foil surface of aluminium foil composite shielding band inwardly and inner side be provided with copper wire drainage thread, described copper wire drainage thread run through the overall length of aluminium foil composite shielding band and abut against with aluminium foil surface together with, the periphery of described aluminium foil composite shielding band is extruded with the aging inner covering of resistance to hydrocarbons, and the periphery of the aging inner covering of described resistance to hydrocarbons is extruded with nylon inner sheath, and the periphery of described nylon inner sheath is coated with silicone oil and is extruded with the aging oversheath of resistance to hydrocarbons.
With respect to prior art, the utility model has been obtained following beneficial effect: adopt the vertical band of flame-retardant can reduce the temperature of cable outer wall, in the situation that cross-sectional area of conductor is long-pending identical, can improve ampacity; It is unaffected that aluminium foil composite shielding band can form oil gas infiltration separator protection cable insulation, guarantees to use safety, increases the service life; The resistance to hydrocarbons performance of the aging inner covering of resistance to hydrocarbons and oversheath is suitable with lead sheath, but can make the outside diameter of cable less, lightweight, and bending radius is little, and terminal processes is simple, has environment friendly, on health without impact.
Accompanying drawing explanation
Fig. 1 is the structural representation of the aging instrument cable of resistance to hydrocarbons for the utility model petrochemical equipment.
In figure: 1. twisted copper conductors; 2. insulating barrier; 3. flame-retardant is indulged band; 4. aluminium foil composite shielding band; 4a. copper wire drainage thread; 5. the aging inner covering of resistance to hydrocarbons; 6. nylon inner sheath; 7. the aging oversheath of resistance to hydrocarbons.
Embodiment
Embodiment mono-
As shown in Figure 1, the aging instrument cable of resistance to hydrocarbons for petrochemical equipment of the present utility model, comprise the following steps successively: the even extruded insulation layer 2 of periphery in twisted copper conductors 1 forms instrument cable insulated wire cores, instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, many group twisted pair wire strands form instrument cable cable core, the vertical band 3 of periphery parcel flame-retardant at instrument cable cable core, the coated aluminium foil composite shielding band 4 of periphery at the vertical band 3 of flame-retardant, the aluminium foil surface of aluminium foil composite shielding band 4 inwardly and inner side be provided with copper wire drainage thread 4a, copper wire drainage thread 4a run through the overall length of aluminium foil composite shielding band 4 and abut against with aluminium foil surface together with, periphery at aluminium foil composite shielding band 4 extrudes the aging inner covering 5 of resistance to hydrocarbons, in the periphery of the aging inner covering 5 of resistance to hydrocarbons, extrudes nylon inner sheath 6, after the periphery of nylon inner sheath 6 applies silicone oil, is extruded with the aging oversheath 7 of resistance to hydrocarbons.
Wherein, the preparation method of the aging inner covering of described resistance to hydrocarbons and the aging oversheath of resistance to hydrocarbons is as follows respectively: (1) prepares raw material, Corvic PVC-SG2 high-class product: 15 parts by following component and weight content; Acrylonitrile-butadiene rubber NBR 3305:5 part; Adipic acid propanediol polyester: 3 parts; Epoxidized soybean oil: 2 parts; Barium stearate: 0.6 part; Lead sulfate tribasic: 1 part; Diphenol propane: 0.05 part; Antimonous oxide: 3 parts; Chlorinated paraffin-52: 0.1 part; Ferrocene: 0.3 part.
(2) first acrylonitrile-butadiene rubber NBR 3305 being dropped into banbury plasticates 2 minutes; then add Corvic PVC-SG2 high-class product mixing 4 minutes; then add successively lead sulfate tribasic, barium stearate, diphenol propane, adipic acid propanediol polyester, epoxidized soybean oil, antimonous oxide, chlorinated paraffin-52 and ferrocene; continue banburying discharging in 8 minutes; banbury temperature is 140 ℃, in temperature, is finally extruding pelletization, cooling standby on the dual-screw pelletizer of 130 ℃.
The aging inner covering of described resistance to hydrocarbons and the cold feeding manner of the aging oversheath of resistance to hydrocarbons are extruded from double screw extruder, the draw ratio of screw rod is 15:1, body temperature one district while extruding is 125 ℃, 2nd district are 135 ℃, 3rd district are 145 ℃, 4th district are 150 ℃, 5th district are 155 ℃, head is 165 ℃, flange is 155 ℃, and extruder screw adopts wind cooling, and extrusion plastic adopts sectional type water cooled but, from approaching extruder position, start bosh to be divided into 3 sections, water temperature is reduced to room temperature gradually.
Embodiment bis-
As shown in Figure 1, the aging instrument cable of resistance to hydrocarbons for petrochemical equipment of the present utility model, comprise the following steps successively: the even extruded insulation layer 2 of periphery in twisted copper conductors 1 forms instrument cable insulated wire cores, instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, many group twisted pair wire strands form instrument cable cable core, the vertical band 3 of periphery parcel flame-retardant at instrument cable cable core, the coated aluminium foil composite shielding band 4 of periphery at the vertical band 3 of flame-retardant, the aluminium foil surface of aluminium foil composite shielding band 4 inwardly and inner side be provided with copper wire drainage thread 4a, copper wire drainage thread 4a run through the overall length of aluminium foil composite shielding band 4 and abut against with aluminium foil surface together with, periphery at aluminium foil composite shielding band 4 extrudes the aging inner covering 5 of resistance to hydrocarbons, in the periphery of the aging inner covering 5 of resistance to hydrocarbons, extrudes nylon inner sheath 6, after the periphery of nylon inner sheath 6 applies silicone oil, is extruded with the aging oversheath 7 of resistance to hydrocarbons.
Wherein, the preparation method of the aging inner covering of described resistance to hydrocarbons and the aging oversheath of resistance to hydrocarbons is as follows respectively: (1) prepares raw material, Corvic PVC-SG2 high-class product: 15 parts by following component and weight content; Acrylonitrile-butadiene rubber NBR 3305:5 part; Adipic acid propanediol polyester: 5 parts; Epoxidized soybean oil: 2.5 parts; Barium stearate: 0.8 part; Lead sulfate tribasic: 1.2 parts; Diphenol propane: 0.08 part; Antimonous oxide: 4 parts; Chlorinated paraffin-52: 0.3 part; Ferrocene: 0.4 part.
(2) first acrylonitrile-butadiene rubber NBR 3305 being dropped into banbury plasticates 2 minutes; then add Corvic PVC-SG2 high-class product mixing 5 minutes; then add successively lead sulfate tribasic, barium stearate, diphenol propane, adipic acid propanediol polyester, epoxidized soybean oil, antimonous oxide, chlorinated paraffin-52 and ferrocene; continue banburying discharging in 9 minutes; banbury temperature is 145 ℃, in temperature, is finally extruding pelletization, cooling standby on the dual-screw pelletizer of 140 ℃.
The aging inner covering of described resistance to hydrocarbons and the cold feeding manner of the aging oversheath of resistance to hydrocarbons are extruded from double screw extruder, the draw ratio of screw rod is 18:1, body temperature one district while extruding is 130 ℃, 2nd district are 140 ℃, 3rd district are 150 ℃, 4th district are 155 ℃, 5th district are 160 ℃, head is 170 ℃, flange is 160 ℃, and extruder screw adopts wind cooling, and extrusion plastic adopts sectional type water cooled but, from approaching extruder position, start bosh to be divided into 3 sections, water temperature is reduced to room temperature gradually.
Embodiment tri-
As shown in Figure 1, the aging instrument cable of resistance to hydrocarbons for petrochemical equipment of the present utility model, comprise the following steps successively: the even extruded insulation layer 2 of periphery in twisted copper conductors 1 forms instrument cable insulated wire cores, instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, many group twisted pair wire strands form instrument cable cable core, the vertical band 3 of periphery parcel flame-retardant at instrument cable cable core, the coated aluminium foil composite shielding band 4 of periphery at the vertical band 3 of flame-retardant, the aluminium foil surface of aluminium foil composite shielding band 4 inwardly and inner side be provided with copper wire drainage thread 4a, copper wire drainage thread 4a run through the overall length of aluminium foil composite shielding band 4 and abut against with aluminium foil surface together with, periphery at aluminium foil composite shielding band 4 extrudes the aging inner covering 5 of resistance to hydrocarbons, in the periphery of the aging inner covering 5 of resistance to hydrocarbons, extrudes nylon inner sheath 6, after the periphery of nylon inner sheath 6 applies silicone oil, is extruded with the aging oversheath 7 of resistance to hydrocarbons.
Wherein, the preparation method of the aging inner covering of described resistance to hydrocarbons and the aging oversheath of resistance to hydrocarbons is as follows respectively: (1) prepares raw material, Corvic PVC-SG2 high-class product: 15 parts by following component and weight content; Acrylonitrile-butadiene rubber NBR 3305:5 part; Adipic acid propanediol polyester: 7 parts; Epoxidized soybean oil: 3 parts; Barium stearate: 1 part; Lead sulfate tribasic: 1.5 parts; Diphenol propane: 0.1 part; Antimonous oxide: 5 parts; Chlorinated paraffin-52: 0.5 part; Ferrocene: 0.5 part.
(2) first acrylonitrile-butadiene rubber NBR 3305 being dropped into banbury plasticates 2 minutes; then add Corvic PVC-SG2 high-class product mixing 6 minutes; then add successively lead sulfate tribasic, barium stearate, diphenol propane, adipic acid propanediol polyester, epoxidized soybean oil, antimonous oxide, chlorinated paraffin-52 and ferrocene; continue banburying discharging in 10 minutes; banbury temperature is 150 ℃, in temperature, is finally extruding pelletization, cooling standby on the dual-screw pelletizer of 150 ℃.
The aging inner covering of described resistance to hydrocarbons and the cold feeding manner of the aging oversheath of resistance to hydrocarbons are extruded from double screw extruder, the draw ratio of screw rod is 20:1, body temperature one district while extruding is 135 ℃, 2nd district are 145 ℃, 3rd district are 155 ℃, 4th district are 160 ℃, 5th district are 165 ℃, head is 175 ℃, flange is 165 ℃, and extruder screw adopts wind cooling, and extrusion plastic adopts sectional type water cooled but, from approaching extruder position, start bosh to be divided into 3 sections, water temperature is reduced to room temperature gradually.
To adopting inner covering, oversheath and the nylon inner sheath of embodiment mono-to embodiment tri-to carry out oil resistance test, method of testing is carried out according to the method for DIN 57207, immerse in IRM 903 deep fats of 90 ± 1 ℃ of temperature 50 weeks, with aging before compare inner covering and oversheath tensile strength change and elongation at break rate of change be all not more than 25%; Nylon inner sheath tensile strength change and elongation at break rate of change are all not more than 10%.Immerse in IRM 903 deep fats of 90 ± 1 ℃ of temperature 72 weeks, with aging before compare inner covering and oversheath tensile strength change and elongation at break rate of change be all not more than 50%; Nylon inner sheath tensile strength change and elongation at break rate of change are all not more than 20%.
To adopting inner covering, oversheath and the nylon inner sheath of embodiment mono-to embodiment tri-to carry out solvent resistance test, method of testing is carried out according to the method for DIN 57207, immerse in the 20# diesel fuel of 90 ± 1 ℃ of temperature 50 weeks, with aging before compare inner covering and oversheath tensile strength change and elongation at break rate of change be all not more than 25%; Nylon inner sheath tensile strength change and elongation at break rate of change are all not more than 20%.Immerse in the 20# diesel fuel of 90 ± 1 ℃ of temperature 72 weeks, with aging before compare inner covering and oversheath tensile strength change and elongation at break rate of change be all not more than 40%; Nylon inner sheath tensile strength change and elongation at break rate of change are all not more than 30%.
In embodiment mono-to embodiment tri-, the 2nd class tinned copper conductor is stranded forms in meeting IEC 60228 for twisted copper conductors; The vertical band of flame-retardant is composited by ceramic fireproof silicon rubber and temperature resistant glass fiber cloth calendering; under 350 ~ 3000 ℃ of conditions, can stiffen into gradually ceramic-like armor through burning; structural good; fire protecting performance is excellent; circuit is played a very good protection, ensure unimpeded under fire condition of circuit.This material proportion is little, and less by approximately 20% than mica tape proportion, tensile strength is high, and mechanical performance is excellent, does not absorb water, and thermal resistivity is large, after burning, does not come off, and fire resistance can reach 1000 ℃ * 120min; Low cigarette, Halogen, nontoxic, flue gas has the ZA1 rank of high level of security of polymeric material field, and small white mouse is not any change after sucking flue gas 30min for three days, thereby to human body, can not cause secondary injury under flame condition, and with low cost.Adopt vertical packet mode when extruding sheath, to carry out, operation needn't be set separately, thereby simplified processing technology, significantly reduce manufacturing cost, avoided simultaneously the overlapping wrapped waste of material causing and outside diameter of cable weight drawback, also overcome the wrapped drawback that can reduce flame-retardant performance in gap, concrete technical indicator is as following table.
Aluminium foil composite shielding band consists of polyester film, aluminium foil layer and non-corrosive metal (NCM) titanium layer, and the thickness of aluminium foil layer is 0.015 ± 0.05mm, and the thickness of poly-film is 0.01 ± 0.005mm, and surperficial titanium layer weight is 4 ~ 5mg/m2.Between polyester film and aluminium foil layer, apply by nonpolar polyethylene and ethylene acrylic according to the PUR of 4:1 proportioning, titanium layer is evenly sprayed on aluminium foil surface by electroplate liquid method, three is fited and is integrated, wrapped outside cable core, adopts the oil resistant fluid sealant of resistance to solvent bonding gap.Method according to ASTM D1876 is tested, and has excellent peel strength, is not less than 45N/25mm; Oil resistant and solvent permeance property; finished cable is immersed in the 20# diesel fuel of 90 ℃ and IRM 903 deep fats 50 weeks and 72 weeks; without greasy dirt infiltration aluminum foil composite tape, can form oil gas infiltration separator protection cable insulation unaffected, guarantee to use safety and useful life.
In embodiment mono-to embodiment tri-, Corvic PVC-SG2 high-class product adopts the PVC-SG2 high-class product in GB/T 5761-2006 standard, can select the product of Haizhou, Dongtai City chemical industry goods and materials Co., Ltd; Acrylonitrile-butadiene rubber NBR 3305 can adopt the product of Lanzhou Petrochemical Co., Ltd or Shanghai Hong Yao Industrial Co., Ltd.; Adipic acid propanediol polyester can be selected the product of Jiang Lai bio tech ltd, Shanghai; Epoxidized soybean oil can be selected the product of Tianjin Guo Long Chemical Co., Ltd.; Lead sulfate tribasic can be selected the product of Jinan Jia Yu Chemical Co., Ltd.; Barium stearate can be selected the product of Changchun, Gaomi City auxiliary agent Co., Ltd; Diphenol propane can be selected Shanghai strength horse ELISA kit supplier's product; Antimonous oxide can be selected the product of Yiyang mayor Tang Ti industry Co., Ltd; Chlorinated paraffin-52 claims again chloralkane 52, chloralkane-52, chloralkane-52#, chlorine wax-52,52 type chlorinated paraffin waxs, is called for short CP-52, and molecular formula C15H26Cl7 can select the product of Yingyang, Henan Province Chemical Co., Ltd. of Toyota; Ferrocene molecular formula is Fe (C5H5) 2, can select the product of Jinan Jia Yu Chemical Co., Ltd..The utility model is raw materials used, except above producer, all can select other satisfactory like product on market.
The foregoing is only the better possible embodiments of the utility model, non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (1)
1. the aging instrument cable of resistance to hydrocarbons for petrochemical equipment, it is characterized in that: the periphery of twisted copper conductors is evenly extruded with insulating barrier and forms instrument cable insulated wire cores, instrument cable insulated wire cores is stranded formation twisted pair wire pair between two, the described twisted pair wire strand of many groups forms instrument cable cable core, the periphery of described instrument cable cable core is enclosed with the vertical band of flame-retardant, the periphery of the vertical band of described flame-retardant is coated with aluminium foil composite shielding band, the aluminium foil surface of aluminium foil composite shielding band inwardly and inner side be provided with copper wire drainage thread, described copper wire drainage thread run through the overall length of aluminium foil composite shielding band and abut against with aluminium foil surface together with, the periphery of described aluminium foil composite shielding band is extruded with the aging inner covering of resistance to hydrocarbons, and the periphery of the aging inner covering of described resistance to hydrocarbons is extruded with nylon inner sheath, and the periphery of described nylon inner sheath is coated with silicone oil and is extruded with the aging oversheath of resistance to hydrocarbons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320703457.XU CN203573698U (en) | 2013-11-08 | 2013-11-08 | Hydrocarbon substance aging resisting instrument cable for petrochemical plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320703457.XU CN203573698U (en) | 2013-11-08 | 2013-11-08 | Hydrocarbon substance aging resisting instrument cable for petrochemical plant |
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|---|---|
| CN203573698U true CN203573698U (en) | 2014-04-30 |
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| CN201320703457.XU Expired - Fee Related CN203573698U (en) | 2013-11-08 | 2013-11-08 | Hydrocarbon substance aging resisting instrument cable for petrochemical plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594177A (en) * | 2013-11-08 | 2014-02-19 | 江苏远洋东泽电缆股份有限公司 | Hydrocarbon substance aging resisting instrument cable for petrochemical plant and manufacturing method thereof |
-
2013
- 2013-11-08 CN CN201320703457.XU patent/CN203573698U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594177A (en) * | 2013-11-08 | 2014-02-19 | 江苏远洋东泽电缆股份有限公司 | Hydrocarbon substance aging resisting instrument cable for petrochemical plant and manufacturing method thereof |
| CN103594177B (en) * | 2013-11-08 | 2016-02-03 | 江苏远洋东泽电缆股份有限公司 | The petrochemical equipment aging instrument cable of resistance to hydrocarbons and manufacture method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20151108 |
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| EXPY | Termination of patent right or utility model |