CN107578849A - 一种电力电缆的防水层 - Google Patents
一种电力电缆的防水层 Download PDFInfo
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Abstract
本发明公开一种电力电缆的防水层,所述防水层由按重量份数配比的石油树脂30‑35份、对苯二胺20‑22份、弹性纤维24‑28份、氢氧化钠18‑20份、氯化钾16‑18份、氟化钠12‑14份、硅丙乳液16‑18份、硝酸钾10‑14份、环己酮12‑16份、丙烯酸树脂20‑24份、石棉绒14‑18份、氯苯12‑18份、氯丁胶16‑18份、二苯醚10‑14份和甲乙酮12‑16份制成;应用该防水层的电力电缆设计简单、强度高和防水性能好。
Description
技术领域
本发明涉及一种电力电缆的防水层。
背景技术
电线电缆的辐射方式各种各样,主要以架空、穿管、直埋、桥架等为主。随着社会的不断进步,人们对城市环境倍加关注,绿化城市环境,提高生活质量,所以,人们将“天网”式的架空线路变成了地下管道输电线路,美化了环境。由于近几年大小地震发生频繁,电线电缆等电气设备会出现不同程度的破坏,因此,为减轻地震损失、提高输电线路的抗震能力而进行抗震电缆的研究开发是非常必要的。我公司密切关注民生,适应社会发展需求,敢于挑战科技巅峰,研究开发了一种抗震电力电缆。该电缆传输功率大、安全系数高、使用寿命长,特别具有抗震、防震的能力。
现有的电力电缆在电力行业使用广泛,而电力行业又是国家行业中的支柱,其重要性媲美中石化、中国银行等世界五百强企业,如如今科技的进步,对电力电缆又有了新层次的要求,传统意义上的电力电缆,单位输配电量都有一定的限制,这跟技术的限制有关,同时电力电缆的使用时间短,检修次数频繁,无疑耗费了大量的人力物力,在一定程度上增加了能源的消耗,况且最最要的,当在恶劣环境中的大水、泥石流等条件下,对电力电缆的防水性是一个新的挑战。
发明内容
本发明要解决的技术问题是提供一种防水性能好的电力电缆的防水层。
为解决上述技术问题,本发明采用如下技术方案:
一种电力电缆的防水层,所述防水层由按重量份数配比的石油树脂30-35份、对苯二胺20-22份、弹性纤维24-28份、氢氧化钠18-20份、氯化钾16-18份、氟化钠12-14份、硅丙乳液16-18份、硝酸钾10-14份、环己酮12-16份、丙烯酸树脂20-24份、石棉绒14-18份、氯苯12-18份、氯丁胶16-18份、二苯醚10-14份和甲乙酮12-16份制成。
防水层的制造方法,包括有以下步骤:
1)取石油树脂30-35份、对苯二胺20-22份、弹性纤维24-28份和硅丙乳液16-18份送入搅拌机中,搅拌均匀;
2)将上述搅拌均匀的石油树脂30-35份、对苯二胺20-22份、弹性纤维24-28份和硅丙乳液16-18份送入加热器中,温度升至90-100℃,持续30-50min,备用;
3)取氢氧化钠18-20份、氯化钾16-18份和氟化钠12-14份,送入加热器中,温度升至80-90℃,持续20-30min,自然冷却,备用;
4)将步骤2)和步骤3)制得的材料混合,送入80℃的保温器中,保温2小时,备用;
5)取石棉绒14-18份,送入气流粉碎机中,制成粒径为200nm-300nm的颗粒,备用;
6)取硝酸钾10-14份、环己酮12-16份、丙烯酸树脂20-24份和氯苯12-18份,以及经步骤5)处理过的石棉绒14-18份一起送入高速搅拌机中,搅拌均匀,备用;
7)将步骤4)和步骤6)制得的材料混合,送入600-800℃的熔融炉中,持续2-3小时,再加入氯丁胶16-18份、二苯醚10-14份和甲乙酮12-16份,温度升至850-900℃,持续1小时,制得熔融物;
8)将上述熔融物注入模中浇注养护25小时脱模,再常温养护三天,即可得到防水层。
附图说明
图1为本发明一种电力电缆的防水层的结构示意图。
具体实施方式
实施例一
参照图1所示,一种使用该防水层的电力电缆,包括有电缆主体1,所述电缆主体1设置有六层,由外到内分别是护套层3、粗圆钢丝铠装层4、细圆钢丝铠装层6、阻燃层7、屏蔽层8和第一绝缘层9,所述粗圆钢丝铠装层4内部设置有一根以上的铜导体5,所述第一绝缘层9内部设置有骨架2和一根以上的导体11,所述骨架2卡持一根以上的导体11设置,所述骨架2呈工字形设置,所述导体11上设置有防水油膏层12,所述防水油膏层12上设置有第二绝缘层13,所述第二绝缘层13上设置有防水层14,所述防水层14由按重量份数配比的石油树脂30份、对苯二胺22份、弹性纤维28份、氢氧化钠20份、氯化钾18份、氟化钠14份、硅丙乳液18份、硝酸钾14份、环己酮16份、丙烯酸树脂24份、石棉绒18份、氯苯18份、氯丁胶18份、二苯醚14份和甲乙酮16份制成。
所述护套层3与粗圆钢丝铠装层4之间设置有荧光膜(未图示),当电缆磨损严重时,夜晚会看到荧光,及时修复电缆。
所述护套层3表面设置有刻度(未图示),利于计算电缆的长度。
所述第一绝缘层9内部设置有一根以上的加强筋10,提高了电缆的强度。
所述第一绝缘层9内部设置有一根以上的抗拉绳15,提高了电缆的抗拉性能。
所述阻燃层7和屏蔽层8为一体化设置,使电缆的结构更加紧凑和稳固。
防水层14的制造方法,包括有以下步骤:
1)取石油树脂30份、对苯二胺22份、弹性纤维28份和硅丙乳液18份送入搅拌机中,搅拌均匀;
2)将上述搅拌均匀的石油树脂30份、对苯二胺22份、弹性纤维28份和硅丙乳液18份送入加热器中,温度升至90-100℃,持续30-50min,备用;
3)取氢氧化钠20份、氯化钾18份和氟化钠14份,送入加热器中,温度升至80-90℃,持续20-30min,自然冷却,备用;
4)将步骤2)和步骤3)制得的材料混合,送入80℃的保温器中,保温2小时,备用;
5)取石棉绒18份,送入气流粉碎机中,制成粒径为200nm-300nm的颗粒,备用;
6)取硝酸钾14份、环己酮16份、丙烯酸树脂24份和氯苯18份,以及经步骤5)处理过的石棉绒18份一起送入高速搅拌机中,搅拌均匀,备用;
7)将步骤4)和步骤6)制得的材料混合,送入600-800℃的熔融炉中,持续2-3小时,再加入氯丁胶18份、二苯醚14份和甲乙酮16份,温度升至850-900℃,持续1小时,制得熔融物;
8)将上述熔融物注入模中浇注养护25小时脱模,再常温养护三天,即可得到防水层14。
实施例二
参照图1所示,一种使用该防水层的电力电缆,包括有电缆主体1,所述电缆主体1设置有六层,由外到内分别是护套层3、粗圆钢丝铠装层4、细圆钢丝铠装层6、阻燃层7、屏蔽层8和第一绝缘层9,所述粗圆钢丝铠装层4内部设置有一根以上的铜导体5,所述第一绝缘层9内部设置有骨架2和一根以上的导体11,所述骨架2卡持一根以上的导体11设置,所述骨架2呈工字形设置,所述导体11上设置有防水油膏层12,所述防水油膏层12上设置有第二绝缘层13,所述第二绝缘层13上设置有防水层14,所述防水层14由按重量份数配比的石油树脂32.5份、对苯二胺21份、弹性纤维26份、氢氧化钠19份、氯化钾17份、氟化钠13份、硅丙乳液17份、硝酸钾12份、环己酮14份、丙烯酸树脂22份、石棉绒16份、氯苯15份、氯丁胶17份、二苯醚12份和甲乙酮14份制成。
所述护套层3与粗圆钢丝铠装层4之间设置有荧光膜(未图示),当电缆磨损严重时,夜晚会看到荧光,及时修复电缆。
所述护套层3表面设置有刻度(未图示),利于计算电缆的长度。
所述第一绝缘层9内部设置有一根以上的加强筋10,提高了电缆的强度。
所述第一绝缘层9内部设置有一根以上的抗拉绳15,提高了电缆的抗拉性能。
所述阻燃层7和屏蔽层8为一体化设置,使电缆的结构更加紧凑和稳固。
防水层14的制造方法,包括有以下步骤:
1)取石油树脂32.5份、对苯二胺21份、弹性纤维26份和硅丙乳液17份送入搅拌机中,搅拌均匀;
2)将上述搅拌均匀的石油树脂32.5份、对苯二胺21份、弹性纤维26份和硅丙乳液17份送入加热器中,温度升至90-100℃,持续30-50min,备用;
3)取氢氧化钠19份、氯化钾17份和氟化钠13份,送入加热器中,温度升至80-90℃,持续20-30min,自然冷却,备用;
4)将步骤2)和步骤3)制得的材料混合,送入80℃的保温器中,保温2小时,备用;
5)取石棉绒16份,送入气流粉碎机中,制成粒径为200nm-300nm的颗粒,备用;
6)取硝酸钾12份、环己酮14份、丙烯酸树脂22份和氯苯15份,以及经步骤5)处理过的石棉绒16份一起送入高速搅拌机中,搅拌均匀,备用;
7)将步骤4)和步骤6)制得的材料混合,送入600-800℃的熔融炉中,持续2-3小时,再加入氯丁胶17份、二苯醚12份和甲乙酮14份,温度升至850-900℃,持续1小时,制得熔融物;
8)将上述熔融物注入模中浇注养护25小时脱模,再常温养护三天,即可得到防水层14。
实施例三
参照图1所示,一种使用该防水层的电力电缆,包括有电缆主体1,所述电缆主体1设置有六层,由外到内分别是护套层3、粗圆钢丝铠装层4、细圆钢丝铠装层6、阻燃层7、屏蔽层8和第一绝缘层9,所述粗圆钢丝铠装层4内部设置有一根以上的铜导体5,所述第一绝缘层9内部设置有骨架2和一根以上的导体11,所述骨架2卡持一根以上的导体11设置,所述骨架2呈工字形设置,所述导体11上设置有防水油膏层12,所述防水油膏层12上设置有第二绝缘层13,所述第二绝缘层13上设置有防水层14,所述防水层14由按重量份数配比的石油树脂35份、对苯二胺20份、弹性纤维24份、氢氧化钠18份、氯化钾16份、氟化钠12份、硅丙乳液16份、硝酸钾10份、环己酮12份、丙烯酸树脂20份、石棉绒14份、氯苯12份、氯丁胶16份、二苯醚10份和甲乙酮12份制成。
所述护套层3与粗圆钢丝铠装层4之间设置有荧光膜(未图示),当电缆磨损严重时,夜晚会看到荧光,及时修复电缆。
所述护套层3表面设置有刻度(未图示),利于计算电缆的长度。
所述第一绝缘层9内部设置有一根以上的加强筋10,提高了电缆的强度。
所述第一绝缘层9内部设置有一根以上的抗拉绳15,提高了电缆的抗拉性能。
所述阻燃层7和屏蔽层8为一体化设置,使电缆的结构更加紧凑和稳固。
防水层14的制造方法,包括有以下步骤:
1)取石油树脂35份、对苯二胺20份、弹性纤维24份和硅丙乳液16份送入搅拌机中,搅拌均匀;
2)将上述搅拌均匀的石油树脂35份、对苯二胺20份、弹性纤维24份和硅丙乳液16份送入加热器中,温度升至90-100℃,持续30-50min,备用;
3)取氢氧化钠18份、氯化钾16份和氟化钠12份,送入加热器中,温度升至80-90℃,持续20-30min,自然冷却,备用;
4)将步骤2)和步骤3)制得的材料混合,送入80℃的保温器中,保温2小时,备用;
5)取石棉绒14份,送入气流粉碎机中,制成粒径为200nm-300nm的颗粒,备用;
6)取硝酸钾10份、环己酮12份、丙烯酸树脂20份和氯苯12份,以及经步骤5)处理过的石棉绒14份一起送入高速搅拌机中,搅拌均匀,备用;
7)将步骤4)和步骤6)制得的材料混合,送入600-800℃的熔融炉中,持续2-3小时,再加入氯丁胶16份、二苯醚10份和甲乙酮12份,温度升至850-900℃,持续1小时,制得熔融物;
8)将上述熔融物注入模中浇注养护25小时脱模,再常温养护三天,即可得到防水层14。
实验例
选用本发明的使用该防水层的电力电缆和普通的电力电缆,分为实验组和普通组,观察使用两组电力电缆六个月后的状况。
对比结果见下表:
由此可见,本发明的使用该防水层的电力电缆耐用、强度高和防水性能好,与普通的电力电缆相比,性能上有显著的提升。
本发明的有益效果为:使用该防水层的电力电缆设置简单,通过设置有粗圆钢丝铠装层和细圆钢丝铠装层,大大提高了电缆的强度;通过在粗圆钢丝铠装层内部设置有一根以上的铜导体,增大了电缆故障电流容量,在一定程度上减小了电缆涡流损耗;通过设置有呈工字形设置的骨架,在不增加电缆外径的情况下增强了电缆的牢固性;通过设置有防水油膏层和防水层,大大提高了电缆的防水性能。
以上所述,仅为本发明的具体实施方式,但本发明的保护范围并不局限于此,任何不经过创造性劳动想到的变化或替换,都应涵盖在本发明的保护范围内。
Claims (2)
1.一种电力电缆的防水层,其特征在于:所述防水层由按重量份数配比的石油树脂30-35份、对苯二胺20-22份、弹性纤维24-28份、氢氧化钠18-20份、氯化钾16-18份、氟化钠12-14份、硅丙乳液16-18份、硝酸钾10-14份、环己酮12-16份、丙烯酸树脂20-24份、石棉绒14-18份、氯苯12-18份、氯丁胶16-18份、二苯醚10-14份和甲乙酮12-16份制成。
2.根据权利要求1所述的电力电缆的防水层,其特征在于:防水层的制造方法,包括有以下步骤:
1)取石油树脂30-35份、对苯二胺20-22份、弹性纤维24-28份和硅丙乳液16-18份送入搅拌机中,搅拌均匀;
2)将上述搅拌均匀的石油树脂30-35份、对苯二胺20-22份、弹性纤维24-28份和硅丙乳液16-18份送入加热器中,温度升至90-100℃,持续30-50min,备用;
3)取氢氧化钠18-20份、氯化钾16-18份和氟化钠12-14份,送入加热器中,温度升至80-90℃,持续20-30min,自然冷却,备用;
4)将步骤2)和步骤3)制得的材料混合,送入80℃的保温器中,保温2小时,备用;
5)取石棉绒14-18份,送入气流粉碎机中,制成粒径为200nm-300nm的颗粒,备用;
6)取硝酸钾10-14份、环己酮12-16份、丙烯酸树脂20-24份和氯苯12-18份,以及经步骤5)处理过的石棉绒14-18份一起送入高速搅拌机中,搅拌均匀,备用;
7)将步骤4)和步骤6)制得的材料混合,送入600-800℃的熔融炉中,持续2-3小时,再加入氯丁胶16-18份、二苯醚10-14份和甲乙酮12-16份,温度升至850-900℃,持续1小时,制得熔融物;
8)将上述熔融物注入模中浇注养护25小时脱模,再常温养护三天,即可得到防水层。
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