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高含硫天然气净化厂大型化后,液体硫磺的管道伴热问题日显突出。与传统的蒸气夹套伴热相比,电伴热具有加热效率高、自动化程度好及易于操作等优点。实践证明,在液硫电伴热设计当中,伴热器最高表面温度及液硫维持温度的确定和控制方式的选择等是电伴热系统安全运行的前提,而科学规范的施工是电伴热系统可靠运行的根本保证。
After the large-scale high-sulfur natural gas purification plant is enlarged, the problem of heat tracing of liquid sulfur in pipes has become increasingly prominent. Compared with the traditional steam jacket heat tracing, electric heat tracing has the advantages of high heating efficiency, good automation and easy operation. Practice has proved that in the liquid sulfur heat tracing design, the maximum surface temperature of the tracer and liquid sulfur to maintain the temperature to determine the choice and control options is the premise of safe operation of electric heat tracing system, and scientific norms of construction is electric heat trace The fundamental guarantee of reliable operation of the system.