Wuhu Hengxin New Material Technology Co., Ltd
Contact:Mr Dai
Phone: 13955309088
Address: 13955309088@163.com
Address: Yinfeng Industrial Park, North Side of Weiyi Road, Wanchun Street, Economic and Technological Development Zone, Wuhu City, Anhui Province
How much do you know about the working principle of pipeline heat tracing
管道伴热系统由三部分组成:电伴热供电系统、管道电伴热和智能控制报警系统。其工作状态如下:温度传感器放置在加热管上,可以随时测量其温度。电伴热套组温控器根据预设温度与温度传感器测得的温度进行比较,通过电伴热控制箱内的空气开关隔离传输和交流电流超限报警,并及时切断和接通电源,从而达到管道伴热和防冻的目的。
目前,在消防管道伴热系统的产品选择中,消防专用电热带是较好的产品之一。电伴热带的输出功率随环境温度的变化而变化。温度越高,加热功率越小,温度越低,加热功率就越大;其加热元件为聚合物半导体材料,消防电热带上的每个点都是温度传感点。因此,这种线路也被称为“智能线路”。使用电伴热带防冻保温,具有节能、使用简单、控温保温效果好的特点。电伴热带的形状一般平整柔软,容易弯曲、缠绕或平放在需要加热、隔热、防冻的管道、阀门、泵体、储罐等装置上,具有加热、自动隔热、温度限制等特点。

它是一种扁平带状电缆,由消防电气带的芯带和两根平行的金属线和绝缘护套组成。其特点是可根据环境温度自动调节加热功率,能主动适应伴热主体的温度变化,使伴热主体稳定在设计温度,不会引起过热、燃烧等安全事故。在每个消防电热带中,总线之间加热聚合物材料的电路传导量随温度的影响而变化。当电子皮带周围的温度变冷时,导电塑料产生微分子收缩,使碳颗粒连接形成电路,电流流过这些电路使电子皮带发热。当温度升高时,导电塑料会产生微分子膨胀,碳颗粒会逐渐分离,导致电路中断,电阻升高,电伴热带会自动降低功率输出。电伴热带由导电塑料和两根并联母线加绝缘层组成,可用于高温、高湿度、高污染、高粉尘浓度、高噪声、高危险气体等恶劣环境。
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