en.Wedoany.com Reported - Experts from the All-Russian Thermal Engineering Institute (JSC "VTI") have for the first time conducted a comprehensive study of the heat resistance of superheaters made of pearlitic and austenitic steels after long-term operation. These superheaters had been in service as part of a domestically unique 1200 MW power unit.
The research was carried out after the equipment had been in operation for over 200,000 hours. The objective was to obtain objective data on the actual state of the metal, changes in its microstructure, and the retention of performance properties under prolonged exposure to high temperatures and loads.
The research program included creep rupture strength tests, analysis of the metal's microstructure, and assessment of corrosion rates. The comprehensive methodology helped determine the actual degree of metal degradation and evaluate the possibility of further safe operation of the equipment.
The results will provide a basis for scientifically justified extension of the service life of critical boiler components and for determining optimal subsequent operating conditions.
The institute noted that such studies are particularly important for high-capacity units, where equipment reliability requirements and residual life prediction are of strategic significance.
"Leveraging its own material and technical base and scientific capabilities, VTI is able to conduct comprehensive condition assessments of equipment made from various types of steel, perform heat resistance tests, study changes in metal microstructure, and provide scientifically sound solutions for extending the service life of critical power equipment components," emphasized Ivan Boltenkov, General Director of JSC VTI.
The institute's accumulated expertise and advanced testing platforms enable it to carry out diagnostics and life extension work on various types of equipment, providing customers with objective data to support technical decision-making and enhance the reliability of power facilities.
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