Solution for online monitoring of tube temperature of ethylene cracking furnace/hydrogen manufacturing furnace
The ethylene cracking furnace and hydrogen manufacturing furnace in the petrochemical heating furnace are large-scale production equipment in the petroleum refining and chemical enterprises. The heating furnace safe, long-period, full-load, and high-quality operation is vital for the production of petrochemical enterprises and its economic benefits. Among many factors, the flame combustion status and the temperature status of the heating furnace tube are the top priority of the furnace safety. The traditional method of monitoring the flame status is to install a fire inspection probe. The temperature of the furnace tube can only be manually and periodically observed through the furnace viewing hole. The main problems are:
●A single flame detector can only cover one flame burner, it is difficult to install in batches, and the investment cost is high;
● Manual inspection, there are blind spots, the inspection effect is affected by personal experience, and the data is lagging.
Ethylene cracking furnace and hydrogen manufacturing furnace tube temperature online monitoring system is mainly composed of multi-spectral imaging temperature measurement probe, explosion-proof control box, server and display terminal. It depends on the distribution of the furnace burners of each heating furnace (such as hydrogen production furnace). The top-fired type is generally used, and the bottom-fired type is generally used for the ethylene cracking furnace. The probe matching the process is used to achieve the acquisition of color video and two-dimensional temperature field data of furnace combustion. The back-end uses C/S and B/S architecture software. Analyze the combustion status and two-dimensional temperature field in the furnace from different dimensions. The C/S software has the functions of ROI temperature analysis, burner extinguishment alarm prompt, leakage and fire analysis, video and historical record management, etc. The B/S software is based on The acquired full-scale temperature field information and sensitive ROI temperature information are refined and analyzed. The software has functions such as comprehensive analysis of furnace tube temperature, tube temperature configuration analysis, furnace tube hot spot trend analysis, temperature difference time domain analysis, and over-temperature alarm record query.
● Real-time monitoring of the internal operating status of the heating furnace, reducing production safety hazards, and improving the stable operating cycle of the furnace;
● Design products according to the scene, realize multi-location, large area, high-definition monitoring, ensure that you can see, see clearly, and use it for a long time;
● Reduce manual inspections, reduce worklaod, and improve employees' occupational health.
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