CN103275401B - AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation and preparation method thereof - Google Patents

AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation and preparation method thereof Download PDF

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CN103275401B
CN103275401B CN201310195008.3A CN201310195008A CN103275401B CN 103275401 B CN103275401 B CN 103275401B CN 201310195008 A CN201310195008 A CN 201310195008A CN 103275401 B CN103275401 B CN 103275401B
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nuclear power
lsoh
power plants
cable
district
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CN103275401A (en
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甘胤嗣
房权生
李�杰
邹红飞
郝建薇
胡源
黄崇祺
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Baosheng Science and Technology Innovation Co Ltd
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Abstract

AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation and preparation method thereof, belongs to field of cable technology.Comprise by terpolymer EP rubber, ethylene propylene rubber, the matrix of ethylene vinyl acetate rubber composition, by magnesium hydroxide, aluminium hydroxide, five hydrate zinc borates, microcapsule-coated ammonium polyphosphate, the halogen-free flameproof smoke elimination system of siloxanes composition, by nano ceric oxide, the radioprotective system of yellow lead oxide composition, by two tert-butyl peroxy isopropyl benzene 98%, N, the vulcanization system of penylene bismaleimides composition between N`-, by zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic and nano zine oxide composition protection system, the coupling agent be made up of vinyl three ('beta '-methoxy oxyethyl group) silane, by stearic acid, the lubrication of micro-crystallization paraffin composition softens system.The present invention has excellent anti-radiation performance, and mechanical property is excellent, and electrical insulation properties is good, reaches 60 year work-ing life.

Description

AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation and preparation method thereof
Technical field
The present invention relates to a kind of cable insulation material and preparation method thereof, particularly the cladding material and preparation method thereof of a kind of third generation AP1000 Nuclear power plants 1 district cable LSOH anti-flaming double insulation, belongs to field of cable technology.
Background technology
Nuclear power is a kind of safety, clean, the reliable energy.AP1000 nuclear power technology, China's generation Ⅲ nuclear power proprietary technology, China assimilates advanced foreign technologies and further refine them and autonomous innovation, take the lead in having grasped the five large core key technologies of generation Ⅲ nuclear power AP1000 in the world, AP1000 nuclear power technology is a unique Generation Ⅲ ratified by United States Nuclear Regulatory Commission's final design at present, and this is the safest, state-of-the-art business nuclear power technology in current global nuclear power market.
As the cable system of Nuclear power plants " blood vessel and nerve ", playing a very important role in the normal operation and safe shutdown of Nuclear power plants, is also safe key element.Particularly Nuclear power plants 1 district (in reactor housing) cable, field of employment envrionment conditions is stricter, the requirement of secure context is very high, namely require the general characteristic not only with conventional low cigarette, Halogen, flame retardant cable, also will have finished cable by resistance to irradiation test, LOCA/HELB simulation test etc. under simulation 60 years accelerated weathering tests, the test of resistance to radiation aging, emergency conditions.Due to the backwardness of cable material, current Chinese Enterprise only can manufacture the cable of reactor housing external application, and the cable in reactor housing is then seldom produced, and can not meet the demand in market.So research and development AP1000 Nuclear power plants 1 district cable LSOH anti-flaming insulating material is the extremely urgent task of of cable research and production enterprise.
Summary of the invention
In view of AP1000 Nuclear power plants I district cable LSOH anti-flaming single layer dielectrics cannot take into account electrical insulation properties and flame retardant properties simultaneously, therefore be designed to double insulation.Object of the present invention is exactly the demand for meeting market, cladding material of the third generation AP1000 Nuclear power plants 1 district cable LSOH anti-flaming double insulation provide a kind of and have excellent anti-radiation performance, mechanical property is excellent, electrical insulation properties is good, reaching 60 year work-ing life and preparation method thereof.
The object of the invention is to be achieved through the following technical solutions: the cladding material of AP1000 Nuclear power plants 1 district cable LSOH anti-flaming double insulation, is characterized in that, be made up of by weight following component:
Described magnesium hydroxide particle diameter is 0.6 μm.
Described aluminium hydroxide particle diameter is 0.9 μm.
The third generation AP1000 Nuclear power plants 1 district cable preparation method of the cladding material of LSOH anti-flaming double insulation, is characterized in that, comprise the following steps:
1) following component is got out by weight:
Described magnesium hydroxide particle diameter is 0.6 μm, and described aluminium hydroxide particle diameter is 0.9 μm;
2) by terpolymer EP rubber, ethylene propylene rubber, ethylene-vinyl acetate copolymer rubber, five hydrate zinc borates, cerium dioxide, Nano-class zinc oxide, right, right '-diisopropylbenzyl pentanoic, zinc salt of 2 mercaptobenzimidazole, yellow lead oxide add in engagement type Banbury mixer respectively, mixing 1 ~ 3min;
3) in step 2) add magnesium hydroxide, aluminium hydroxide, microcapsule-coated ammonium polyphosphate in material, add vinyl three ('beta '-methoxy oxyethyl group) silane, siloxanes, micro-crystallization paraffin, stearic acid simultaneously, and mix 2 ~ 5min;
4) until step 3) in temperature of charge binder removal when rising to 100 ~ 120 DEG C, material is supplemented mixing through mill, and adopt filter rubber machine three metafiltration net filter rubber, again material supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill successively, receive page device and take up to glue frame, and material is deposited more than 24 hours under the storage temperature of 10 ~ 30 DEG C, obtain sizing material;
5) by step 4) sizing material add Banbury mixer, mixing 1 ~ 3min, temperature controls below 100 DEG C, then two tert-butyl peroxy isopropyl benzene 98%, N is added, a N '-penylene bismaleimides, binder removal after 30 seconds, material is supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill again, receives page device and take up to glue frame, material is deposited more than 8 hours under the storage temperature of 10 ~ 30 DEG C, the obtained third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation.
Described step 4) in three metafiltration nets of filter rubber machine be 60 orders, 80 orders, 60 orders respectively.
The present invention includes by terpolymer EP rubber, ethylene propylene rubber, the matrix of ethylene-vinyl acetate copolymer rubber composition, by 0.6 μm of magnesium hydroxide, 0.9 μm of aluminium hydroxide, five hydrate zinc borates, microcapsule-coated ammonium polyphosphate, the halogen-free flameproof smoke elimination system of siloxanes composition, by nano ceric oxide, the radioprotective system of yellow lead oxide composition, by two tert-butyl peroxy isopropyl benzene 98%, N, the vulcanization system of a N '-penylene bismaleimides composition, by zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic and nano zine oxide composition protection system, the coupling agent be made up of vinyl three ('beta '-methoxy oxyethyl group) silane, by stearic acid, the lubrication of micro-crystallization paraffin composition is softened system and is formed.
Formula of the present invention, proportioning are scientific and reasonable, technique is advanced, adopt the mixing production line of totally-enclosed banburying that there is computer automatic blending, automatically control, the ethylene-propylene rubber(EPR) that employing radiation-resistant property is good and ethylene-vinyl acetate rubber are as body material, and add anti-irradiation agent wherein, thus ensure that insulating material has excellent radiation-resistant property.Heavy dose of adding of inorganic no-halogen composite flame retardant system (surface-treated magnesium hydroxide, aluminium hydroxide, zinc borate, microcapsule-coated ammonium polyphosphate) makes material have fabulous flame retardant properties, ensure that insulated wire cores can by single vertical combustion test.Micro-crystallization paraffin, stearic adding contribute to the good distribution of heavy dose of inorganic combustion inhibitor in base rubber material, and the consumption simultaneously optimized makes to reduce to minimum to the disadvantageous effect of flame retardant properties, and ensure that sizing material has and good extrude processing characteristics.Be less than the aluminium hydroxide of the heavy dose of 1 μm, magnesium hydroxide and vinyl three the adding of ('beta '-methoxy oxyethyl group) silane coupling agent and siloxanes, make to form stable combination with body material, ensure that insulating material provided by the invention has good mechanical property.The hydrophobicity of material, also improves the performance of EPDM heat-proof water and resistance to water vapor simultaneously.
Embodiment
Embodiment 1:
The third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation, its raw material comprises: by terpolymer EP rubber, ethylene propylene rubber, the matrix of ethylene-vinyl acetate copolymer rubber composition, by the magnesium hydroxide that particle diameter is 0.6 μm, particle diameter is the aluminium hydroxide of 0.9 μm, five hydrate zinc borates, microcapsule-coated ammonium polyphosphate, the halogen-free flameproof smoke elimination system of siloxanes composition, by nano ceric oxide, the radioprotective system of yellow lead oxide composition, by two tert-butyl peroxy isopropyl benzene 98%, N, the vulcanization system of a N '-penylene bismaleimides composition, by zinc salt of 2 mercaptobenzimidazole, right, right '-diisopropylbenzyl pentanoic and Nano-class zinc oxide composition protection system, the coupling agent be made up of vinyl three ('beta '-methoxy oxyethyl group) silane, by stearic acid, the lubrication of micro-crystallization paraffin composition softens system.The raw material packet of above-mentioned cable insulation material is containing following weight part:
The preparation method of the cladding material of above-mentioned third generation AP1000 Nuclear power plants 1 district cable LSOH anti-flaming double insulation is as follows:
1) by terpolymer EP rubber, ethylene propylene rubber, ethylene-vinyl acetate copolymer rubber, five hydrate zinc borates, cerium dioxide, Nano-class zinc oxide, right, right '-diisopropylbenzyl pentanoic, zinc salt of 2 mercaptobenzimidazole, yellow lead oxide add in engagement type Banbury mixer respectively, mixing 1 ~ 3min;
2) in step 1) add magnesium hydroxide, aluminium hydroxide, microcapsule-coated ammonium polyphosphate in material, add vinyl three ('beta '-methoxy oxyethyl group) silane, siloxanes, micro-crystallization paraffin, stearic acid simultaneously, and mix 2 ~ 5min;
3) until step 2) in temperature of charge binder removal when rising to 100 ~ 120 DEG C, material is supplemented mixing through mill, and adopt filter rubber machine three metafiltration net filter rubber (three metafiltration nets are 60 orders, 80 orders, 60 orders respectively), again material supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill successively, receive page device and take up to glue frame, and material is deposited more than 24 hours under the storage temperature of 10 ~ 30 DEG C, obtain sizing material;
4) by step 3) sizing material add Banbury mixer, mixing 1 ~ 3min, temperature controls below 100 DEG C, then two tert-butyl peroxy isopropyl benzene 98%, N is added, a N '-penylene bismaleimides, binder removal after 30 seconds, material is supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill again, receives page device and take up to glue frame, material is deposited more than 8 hours under the storage temperature of 10 ~ 30 DEG C, the obtained third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation.
Embodiment 2:
The third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation, comprises following component and weight part:
The preparation method of the cladding material of above-mentioned third generation AP1000 Nuclear power plants 1 district cable LSOH anti-flaming double insulation is as follows:
1) by terpolymer EP rubber, ethylene propylene rubber, ethylene-vinyl acetate copolymer rubber, five hydrate zinc borates, cerium dioxide, Nano-class zinc oxide, right, right '-diisopropylbenzyl pentanoic, zinc salt of 2 mercaptobenzimidazole, yellow lead oxide add in engagement type Banbury mixer respectively, mixing 2min;
2) in step 1) add magnesium hydroxide, aluminium hydroxide, microcapsule-coated ammonium polyphosphate in material, add vinyl three ('beta '-methoxy oxyethyl group) silane, siloxanes, micro-crystallization paraffin, stearic acid simultaneously, and mix 4min;
3) until step 2) in temperature of charge binder removal when rising to 110 DEG C, material is supplemented mixing through mill, and adopt filter rubber machine three metafiltration net filter rubber (three metafiltration nets are 60 orders, 80 orders, 60 orders respectively), again material supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill successively, receive page device and take up to glue frame, and material is deposited more than 24 hours under the storage temperature of 15 DEG C, obtain sizing material;
4) by step 3) sizing material add Banbury mixer, mixing 2min, temperature controls below 100 DEG C, then two tert-butyl peroxy isopropyl benzene 98%, N is added, a N '-penylene bismaleimides, binder removal after 30 seconds, material is supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill again, receives page device and take up to glue frame, material is deposited more than 8 hours under the storage temperature of 15 DEG C, the obtained third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation.
Embodiment 3:
The third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation, comprises following component and weight part:
The preparation method of the cladding material of above-mentioned third generation AP1000 Nuclear power plants 1 district cable LSOH anti-flaming double insulation is as follows:
1) by terpolymer EP rubber, ethylene propylene rubber, ethylene-vinyl acetate copolymer rubber, five hydrate zinc borates, cerium dioxide, Nano-class zinc oxide, right, right '-diisopropylbenzyl pentanoic, zinc salt of 2 mercaptobenzimidazole, yellow lead oxide add in engagement type Banbury mixer respectively, mixing 3min;
2) in step 1) add magnesium hydroxide, aluminium hydroxide, microcapsule-coated ammonium polyphosphate in material, add vinyl three ('beta '-methoxy oxyethyl group) silane, siloxanes, micro-crystallization paraffin, stearic acid simultaneously, and mix 5min;
3) until step 2) in temperature of charge binder removal when rising to 120 DEG C, material is supplemented mixing through mill, and adopt filter rubber machine three metafiltration net filter rubber (three metafiltration nets are 60 orders, 80 orders, 60 orders respectively), again material supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill successively, receive page device and take up to glue frame, and material is deposited more than 24 hours under the storage temperature of 20 DEG C, obtain sizing material;
4) by step 3) sizing material add Banbury mixer, mixing 3min, temperature controls below 100 DEG C, then two tert-butyl peroxy isopropyl benzene 98%, N is added, a N '-penylene bismaleimides, binder removal after 30 seconds, material is supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill again, receives page device and take up to glue frame, material is deposited more than 8 hours under the storage temperature of 30 DEG C, the obtained third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation.
Obtain a kind of heat-resisting life rubber blend of 60 years.Key is: one is the use of ethylene propylene rubber, and due to no third monomer, ethylene propylene rubber has better resistance toheat than terpolymer EP rubber; Two is special anti-aging agent agent zinc salt of 2 mercaptobenzimidazole and right, to ' the composite protective system of-diisopropylbenzyl pentanoic, cerium oxide and nano zine oxide composition makes the ageing resistance of material obtain to improve significantly; Three is perfect cooperations of various body material and anti-aging agent.The result of accelerating thermal aging test shows, the cable produced by insulating material of the present invention, and its work-ing life can reach 60 years.Table 1 is that the insulated wire cores adopting outer exhausted material of the present invention and interior exhausted materials double-layer co-extrusion continuous steam sulfuration process to produce has following performance after tested:
The partial properties of the 2.5mm2 insulated wire cores of table 1 material produce of the present invention

Claims (5)

1. an AP1000 Nuclear power plants 1 district cable cladding material for LSOH anti-flaming double insulation, is characterized in that, be made up of by weight following component:
2. the cladding material of AP1000 Nuclear power plants 1 district according to claim 1 cable LSOH anti-flaming double insulation, it is characterized in that, described magnesium hydroxide particle diameter is 0.6 μm.
3. the cladding material of AP1000 Nuclear power plants 1 district according to claim 1 cable LSOH anti-flaming double insulation, it is characterized in that, described aluminium hydroxide particle diameter is 0.9 μm.
4. an AP1000 Nuclear power plants 1 district cable preparation method for the cladding material of LSOH anti-flaming double insulation, is characterized in that, comprise the following steps:
1) following component is got out by weight:
Described magnesium hydroxide particle diameter is 0.6 μm, and described aluminium hydroxide particle diameter is 0.9 μm;
2) by terpolymer EP rubber, ethylene propylene rubber, ethylene-vinyl acetate copolymer rubber, five hydrate zinc borates, cerium dioxide, Nano-class zinc oxide, right, right '-diisopropylbenzyl pentanoic, zinc salt of 2 mercaptobenzimidazole, yellow lead oxide add in engagement type Banbury mixer respectively, mixing 1 ~ 3min;
3) in step 2) add magnesium hydroxide, aluminium hydroxide, microcapsule-coated ammonium polyphosphate in material, add vinyl three ('beta '-methoxy oxyethyl group) silane, siloxanes, micro-crystallization paraffin, stearic acid simultaneously, and mix 2 ~ 5min;
4) until step 3) in temperature of charge binder removal when rising to 100 ~ 120 DEG C, material is supplemented mixing through mill, and adopt filter rubber machine three metafiltration net filter rubber, again material supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill successively, receive page device and take up to glue frame, and material is deposited more than 24 hours under the storage temperature of 10 ~ 30 DEG C, obtain sizing material;
5) by step 4) sizing material add Banbury mixer, mixing 1 ~ 3min, temperature controls below 100 DEG C, then two tert-butyl peroxy isopropyl benzene 98%, N is added, a N '-penylene bismaleimides, binder removal after 30 seconds, material is supplemented the cooling of mixing, rolling press compressing tablet, cooler through mill again, receives page device and take up to glue frame, material is deposited more than 8 hours under the storage temperature of 10 ~ 30 DEG C, the obtained third generation AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation.
5. the preparation method of the cladding material of AP1000 Nuclear power plants 1 district according to claim 2 cable LSOH anti-flaming double insulation, is characterized in that, described step 4) in three metafiltration nets of filter rubber machine be 60 orders, 80 orders, 60 orders respectively.
CN201310195008.3A 2013-05-23 2013-05-23 AP1000 Nuclear power plants 1 district cable cladding material of LSOH anti-flaming double insulation and preparation method thereof Active CN103275401B (en)

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CN103265763B (en) * 2013-05-24 2016-05-18 安徽长园智豪电力科技有限公司 EPT rubber cable protective cover material of a kind of modified carbon fiber and preparation method thereof
CN103467898B (en) * 2013-09-13 2015-10-28 江苏远洋东泽电缆股份有限公司 The low surface temperature rise cable sheath rubber of naval vessel high current-carrying capacity and manufacture method thereof
CN103804772A (en) * 2014-01-16 2014-05-21 安徽复兴电缆集团有限公司 Halogen-free low-smoke cable sheath material
CN103819821A (en) * 2014-02-20 2014-05-28 扬州曙光电缆股份有限公司 Preparation method of cable insulation material used for AP1000 nuclear power station
CN106566090A (en) * 2014-02-26 2017-04-19 中广核三角洲(江苏)塑化有限公司 Nuclear-grade radiation-resistant cable sheath material with high flame resistance
JP6347415B2 (en) * 2014-11-20 2018-06-27 日立金属株式会社 Semiconductive resin composition and power transmission cable using the same
CN105175874A (en) * 2015-08-26 2015-12-23 安徽电缆股份有限公司 Cable sheath material for harsh environment of third generation nuclear power plant and preparation method therefor
CN106280020A (en) * 2016-08-08 2017-01-04 株洲时代新材料科技股份有限公司 A kind of fire-retardant rubber material and preparation method thereof
CN109627610A (en) * 2018-12-27 2019-04-16 尚纬股份有限公司 A kind of sea small cores reactor cable insulating materials and preparation method thereof

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