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| Article Name : | | | CONDITION MONITORING AND FAULT DIAGNOSIS OF A COMBUSTION FAN – AN EXPERT SYSTEM APPROACH | | Author Name : | | | TULASI NAGA MALLESWAR PILLI AND K.V. RAMANA | | Publisher : | | | Ashok Yakkaldevi | | Article Series No. : | | | GRT-2274 | | Article URL : | |  | Author Profile View PDF In browser | | Abstract : | | | The act of condition monitoring has actually been practiced by plant engineers for generating or estimating, how long a part of the equipment can continue in service until it needs to be shut down for repair using traditional touch, see and hear methods. The applications of computers, electronic measuring and detecting systems have provided a new approach to condition monitoring. The analysis of the information provided by the sensor output is done by using established techniques and interpretation of evaluated output, is then used to establish what actions are to be taken. The use of vibration signals is quite common in the field of condition monitoring of rotating machinery. In this paper, an attempt has been made to monitor the condition of a combustion air fan located at Wire Rod Mill Department in Visakhapatnam Steel Plant, India. The fan unit is supported by four Plummer blocks, two at motor end and the other two at fan end. Using the accelerometer, the velocities at the bearings are recorded and analyzed using ISO 2372 codes for identification of fault/ faults. The fault diagnosis had been supplemented with signatures recorded. Remedial measures are suggested to bring down the intensity of offensive signal. Fault diagnosis has been taken up with the help of an expert system developed in net | | Keywords : | | |
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