Abstract
Background Due to the wear and tear of the main pipeline transport systems, the problem of improving the complex methods of their technical diagnostics is of paramount importance. The article provides an analysis of diagnostic methods for main pipelines, considers visual, ultrasonic, magnetic, capillary methods, as well as the prospects for the development of digital technologies in this area. It is important that each of the existing diagnostic methods allows you to identify only certain parameters of defects. The main tasks when using such methods include the assessment of the corrosion and stress-strain state of pipelines, which is directly related to the determination of the service life. One of the approaches to determining the resource of exploitation is the use of modeling and digital technologies. The ability to combine and analyze the information obtained in the process of diagnostics, which is inextricably linked with the features of operation, carrying out calculations using computer programs is a valuable achievement of our time. Aims and Objectives Analysis of the complex of diagnostic works, which includes: o detection of internal and external defects of pipe surfaces; o measurement (determination) of geometric parameters of defects; o leak detection; o detection of violations of protection zones of main pipelines; o checking the state of electrochemical protection and its effectiveness; o measurement of mechanical deformation and displacement of sections of the main pipeline; o checking the condition of pipeline fittings; o determination of the condition of the shell and the depth of the laying of the main pipewire; o measurement of pipeline wall thickness and metal hardness; o determination of pipe geometry errors. Results Methods for optimization of diagnostics of main pipelines are proposed, which consist in an integrated approach to diagnostics of the inner surface of a main pipeline using the method of acoustic emission, which allows: o identify dangerous interruptions in production and operation at an early stage and prevent their development to a critical level; o determine the degree of risk of detected defects; o conduct 100% inspection of the diagnosed area, including areas inaccessible for visual control; o estimate the remaining service life of the pipeline based on information about existing failures and damages. The perspective possibilities of using digital technologies to optimize the process of diagnostics and monitoring are considered.
Published Version
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