SCALE STATE PREDICTION METHOD, BOILER HEAT TRANSFER PIPE STATE PREDICTION METHOD, AND DEVICE FOR THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a scale state prediction method and device capable of accurately predicting the state of scale in a boiler heat transfer pipe, and a boiler heat transfer pipe state prediction method and device.;SOLUTION: The boiler heat transfer pipe state prediction device 11 comprises a scale state prediction device 12 and a heat transfer pipe state predicting means 13 predicting the temperature and creep rupture timing of the boiler heat transfer pipe based on information on the scale state obtained by the scale state prediction device 12. The scale state prediction device 12 comprises a simulating means 16 determining the structure of scale and simulating the progress of structure destruction caused by receiving growth and stress based on the scale structure, and separation timing predicting means 17 predicting the separation timing of scale actually generated to the boiler heat transfer pipe based on information on the progress process of structure destruction obtained by simulation of the simulating means 16.;COPYRIGHT: (C)2005,JPO&NCIPI