Wuhu Hengxin Cable Co., Ltd
Contact：Mr Dai
Phone: 13955309088
Address: 13955309088@163.com
Address: Jiuhua North Road Electrical Components Industrial Park, Wuhu City, Anhui Province
Electric heat tracing manufacturers will introduce the working principle of electric heat tracing be
每年的冬季气温变低原在石油行业会经常出现管道原油凝固或管道冻裂爆管现象。当环境气温达到零度以下时未设有采暖的区域安装的液体管道和罐体内的液体会结冰凝固严重时可能出现管道爆裂等问题严重影响了设备的正常运行带来不小的经济损失 如果在管道和罐体上 安装电伴热系统可以有效解决管道结冰凝固冻裂等问题。
1、电伴热的工作原理：
电伴热带电缆由导电高分子复合材料塑料和两根平行金属导线及绝缘护套构成的扁形带状电缆。其特性是导电高分子复合材料具有正温度系数"PTC"特性且相互并联能随被加热体系的温度变化自动调节输出功率自动限制加热的温度。"PTC"特性即正温度系数效应是指材料电阻率随着温度升高而加大并在一定温度区间电阻率急剧加大的特性。温控伴热电缆可以任意截短或在一定范围内接长使用并允许多次交叉重叠而无高温热点及烧毁之虑。
2、温控伴热电缆优点：
温控电伴热带电缆相应被伴热体系具有自动调节输出功率因此不会因自身发热而烧毁却因实际需要热量进行补偿因此为新一代节能型恒温加热器。低温状态快速启动温度均匀每一局部皆可因其被伴热处的温度变化自动调节。 安装简便维护简单自动化水平高运行及维护费用低。安全可靠用途广不污染环境寿命长。
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