Conduction oil circulation fault diagnosis system

Abstract

The invention discloses a conduction oil circulation fault diagnosis system, and belongs to the technical field of boiler fault diagnosis. According to the conduction oil circulation fault diagnosis system, a multi-modular monitoring method is adopted to refine a monitoring object, a monitoring module including multiple fault modes such as conduction oil leakage, conduction oil degradation, conduction oil overtemperature and overpressure, pipe wall scaling and the like is arranged, system operation states are recognized and divided, fault prediction is achieved according to different states, daily maintenance and fault processing of the system are achieved, the monitoring coverage is wide, the monitoring efficiency is high, and the system can be suitable for various fault conditions of the steam-conduction oil double-medium boiler system; and meanwhile, an NARX neural network training method is adopted for prediction, large sample data of the boiler system are effectively learned and processed, and prediction accuracy and efficiency are improved.

Description

technical field [0001] The invention belongs to the technical field of boiler fault diagnosis, and in particular relates to a thermal oil circulation fault diagnosis system. Background technique [0002] As an organic heat carrier with good performance, heat transfer oil is more and more widely used in boiler systems as a heat transfer agent due to its high temperature and low pressure heat transfer performance, good thermal stability, good fluidity, and low environmental impact. exchange medium. However, traditional heat transfer oil boilers have the problems of high exhaust gas temperature, low thermal efficiency, and insufficient output, and the heat transfer oil is prone to over-temperature cracking and deterioration, and its deteriorated products are easy to scale and coke on the tube wall of the heating surface, resulting in uneven heating of the furnace tubes. Local overheating may even cause safety accidents such as pipe explosion and fire leakage. The steam-heat t...

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Problems solved by technology

However, this method is only aimed at the air-smoke system in the cold start-up process, and cannot monitor the entire boiler system in various states, and its adaptability to the steam-heat transfer oil dual-medium boiler system needs to be verified

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