CN202231889U - 单导柔软型高温伴热电缆 - Google Patents

单导柔软型高温伴热电缆 Download PDF

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Publication number
CN202231889U
CN202231889U CN2011203468496U CN201120346849U CN202231889U CN 202231889 U CN202231889 U CN 202231889U CN 2011203468496 U CN2011203468496 U CN 2011203468496U CN 201120346849 U CN201120346849 U CN 201120346849U CN 202231889 U CN202231889 U CN 202231889U
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temperature heat
heat tracing
tracing cable
soft high
conductor
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CN2011203468496U
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葛广
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YANGZHOU DEYOU CABLE CO., LTD.
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JIANGSU XINYANG CABLE CO Ltd
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Abstract

单导柔软型高温伴热电缆，涉及电缆技术领域，特别是一种柔软型高温伴热电缆。本实用新型包括绝缘导体，在绝缘导体外依次设置发热体、内护套层、屏蔽层和外护套层；绝缘导体包括镀银铜丝，在镀银铜丝外包裹绝缘层。本实用新型发热均匀，全长温差极小，耐低温，发热功率大，适用于工业化管道输送原油、液化工原料和工业用水中。

Description

单导柔软型高温伴热电缆
技术领域
本实用新型涉及电缆技术领域，特别是一种柔软型高温伴热电缆。
背景技术
随着工业化管道输送技术的发展，长距离输送原油、液化工原料和工业用水，已愈来愈普遍，同时在发电厂、煤油厂、水处理车间和食品加工部门等采用管道输送技术来代替机械运输，也愈来愈受到欢迎。而这类管道一般都在室外，当输送液体在低于一定温度时，不仅粘度较高，有时还会凝固，因此就提出了防冻保温的问题。短距离管道的防冻保温，可采用蒸汽来保护，但这种方法不仅费工、费时，而且还必须配套蒸汽锅炉，温度也难于调节控制；对长距离的管道，由于耗能过大，这种方法更行不通。在此情况下伴热电缆得到了广泛应用，而目前电伴热电缆加热温度存在很大的局限性，使用寿命低且柔软性差，施工难度大。
发明内容
本实用新型目的在于提供一种耐热、耐低温性能好，柔软性高的单导柔软型高温伴热电缆。
本实用新型包括绝缘导体，在所述绝缘导体外依次设置发热体、内护套层、屏蔽层和外护套层；所述绝缘导体包括镀银铜丝，在所述镀银铜丝外包裹绝缘层。
本实用新型的绝缘层、护套层均采用陶瓷化硅橡胶，陶瓷化硅橡胶在常温下仍然保持硅橡胶的特性，在500到1300度高温烧灼下，形成坚硬形成坚硬的的陶瓷化保护层，不熔融、不滴落。
本实用新型最高工作温度为400℃ （编织材料更换后温度达650℃）。本实用新型发热功率大，一般为30-60w/m以上，且不会像蒸汽加热那样因蒸汽停止供应而发生冻结的危险，需要时打开电源即可，不需经常维护。本实用新型发热均匀，全长温差极小，耐低温（固定敷设-60℃，非固定敷设-20℃），在低温下施工不脆断，易于冬季施工和维修。
附图说明
图1为本实用新型的结构示意图。
具体实施方式
如图1所示，本实用新型设有绝缘导体，在绝缘导体外依次设置发热体3、内护套层4、屏蔽层5和外护套层6；绝缘导体包括镀银铜丝1，在镀银铜丝1外包裹绝缘层2。

Claims (1)

1.单导柔软型高温伴热电缆，其特征在于：包括绝缘导体，在所述绝缘导体外依次设置发热体、内护套层、屏蔽层和外护套层；所述绝缘导体包括镀银铜丝，在所述镀银铜丝外包裹绝缘层。
CN2011203468496U 2011-09-16 2011-09-16 单导柔软型高温伴热电缆 Expired - Fee Related CN202231889U (zh)

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CN2011203468496U CN202231889U (zh) 2011-09-16 2011-09-16 单导柔软型高温伴热电缆

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CN202231889U true CN202231889U (zh) 2012-05-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102427620A (zh) * 2011-09-16 2012-04-25 江苏鑫扬线缆有限公司 单导柔软型高温伴热电缆

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102427620A (zh) * 2011-09-16 2012-04-25 江苏鑫扬线缆有限公司 单导柔软型高温伴热电缆

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Address after: 225829, Yangzhou County, Jiangsu City, Baoying Province Xia set industry concentrated area Guo Xia

Patentee after: YANGZHOU DEYOU CABLE CO., LTD.

Address before: 225824 No. 13 Shengli Road, Yangzhou Town, Baoying County, Jiangsu

Patentee before: Jiangsu Xinyang Cable Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120523

Termination date: 20160916