Figure 3 Raychem Supervisor software graphical user interface
temperature detectors (RTDs), controllers, and SR connection kits. Integration with process control systems SR and longline heating technologies both depend on connected advanced electrical heat trace (EHT) control and monitoring systems to ensure operational reliability, maintenance, energy efficiency, and performance. Process temperature maintenance control of the feedstocks can be achieved using RTDs for line sensing process control or thermocouples for direct process temperature control. One challenge not referenced is the potential variability of the feedstocks being delivered to a renewable diesel refinery. Delivery of plant oils, animal fats, and waste will certainly vary, and this could result in the need for unique process maintenance temperatures depending on the feedstock and the feedstock mix. Integrating heat tracing systems with advanced process control systems can significantly enhance their effectiveness. Process control systems can monitor temperature, flow rates, and other critical parameters in real-time, allowing for precise adjustments to heating output. This not only ensures optimal process conditions but also reduces energy consumption and operational costs.
Raychem Supervisory Software (see Figure 3 ) can be programmed to manage the heat required for varying batches and recipes of the incoming feedstocks. There is also the option to manually adjust process maintenance temperatures remotely from the control room or other location as different feedstocks are delivered (see Figure 4 ). “ Supervisory software programs certainly offer a lot more capabilities as part of the heat management system at a renewable diesel refinery, including maintenance and operational activities like alarm management ” Supervisory software programs certainly offer a lot more capabilities as part of the HMS at a renewable diesel refinery, including maintenance and operational activities like alarm management. For longlines, Raychem Pipeline Supervisor (RPS) is a temperature monitoring software solution that offers remote monitoring of long pipelines with critical fluids. This software utilises distributed temperature sensing (DTS) data that is continuously captured from fibre optic sensors 24/7 along the entire length of the pipeline.
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