Modeling the corrosive destruction of underground degassing pipelines

• Autorzy: Yegorchenko Rostyslav , Yavorskyi Andrii , Dyachkov Pavel

Identyfikatory

DOI

10.32056/KOMAG2023.4.1

• Języki publikacji: EN

Abstrakty

EN

The general frequency of development of pitting corrosion was established, taking into account the results of the analysis of mine waters and foreign materials, which are favorable conditions for theformation of corrosion of steel degassing pipelines. A base of initial data was created for modeling the corrosion process of a steel degassing gas pipeline at different points in time: the beginning of the corrosion process, its development, and the end of the process. Stress distribution, corrosion potential,as well as anodic and cathodic current densities depending on the size of the corrosion crack and the longitudinal deformation of the rocks of the sole of the production was analysed.Ithas been proven that the high level of corrosion processes of underground pipelines is the result of the interaction of the metal, which acts as an electrode, with groundwater, which acts as anelectrolyte, while the determining factors of the corrosion process are the electrical conductivity of the rocks of the bottom of the mine and the deformation processes in the pipelines. The reason of low service life of underground degassing pipelines, which are constantly exposed to mechanical and electrochemical corrosion, have been established.

Słowa kluczowe

EN

degassing; underground vacuum gas pipeline; methane-air mixture; monitoring; corrosion; output

PL

rurociąg gazowy; monitoring; korozja

• Wydawca: Instytut Techniki Górniczej KOMAG
• Czasopismo: Mining Machines
• Rocznik: 2023
• Tom: vol. 41, iss. 4
• Strony: 220--230
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wykr., zdj.

Twórcy

autor

Yegorchenko Rostyslav

• Dnipro University of Technology, 19Yavornytskoho Ave., 49005,Dnipro, Ukraine

autor

Yavorskyi Andrii

• Dnipro University of Technology, 19Yavornytskoho Ave., 49005,Dnipro, Ukraine

autor

Dyachkov Pavel

• Dnipro University of Technology, 19Yavornytskoho Ave., 49005,Dnipro, Ukraine

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu „Społeczna odpowiedzialność nauki” - moduł: Popularyzacja nauki i promocja sportu (2022-2023)