A way to increase service life of the imported piston seals during the period of the sanctions’

The paper considers a problem of repairing and further use of the foreign piston compressors operating without lubrication. As of today, the foreign manufacturing companies refused to provide services, repair supervision and supply of the spare parts, tools and accessories. Taking into account that it is quite difficult, and often almost impossible, to find a domestic analogue of a foreign material or technology of its production, components manufactured by the mechanical repair plants work several times less and reduce the technological equipment quality indicators. A study was carried out to determine a method in increasing service life of the foreign products used in the piston compressors operating without lubrication on the example of a liner - piston ring friction pair. The paper proposes to replace the steel liner with the one made of the anti-friction self-lubricating material, which hardness is lower than that of material used in the piston ring manufacture. To test the proposal, experimental samples were manufactured from the following materials: AFGM, F4, F4K15M5, polyamide 6 and steel 45. The samples’ test results confirmed a possibility of increasing the friction pair service life using the proposed method.
EDN: UBDQIJ, https://elibrary/ubdqij

References

[1] Zakharenko V.P. Osnovy teorii uplotneniy i sozdanie porshnevykh kompressorov bez smazki. Diss. dok. tekh. nauk [Fundamentals of seal theory and development of piston compressors without lubrication. Doc. tech. sci. diss.]. Sankt-Petersburg, SPbGUNiPT Publ., 2001. 159 p. (In Russ.).

[2] Novikov I.I., Zakharenko V.P., Lando B.S. Bessmazochnye porshnevye uplotneniya v kompressorakh [Lubricantless piston seals in compressors]. Leningrad, Mashinostroenie Publ., 1981. 238 p. (In Russ.).

[3] Shcherba V.E. Teoriya, raschet i konstruirovanie porshnevykh kompressorov obemnogo deystviya [Theory, calculation and design of reciprocating compressors of volumetric action]. Moscow, Yurayt Publ., 2023. 323 p. (In Russ.).

[4] Nikiforov A.G., Anatolyevna M.L. The analysis of single-stage piston compressors operation under various conditions. Omskiy nauchnyy vestnik. Ser. Aviatsionno-raketnoe i energeticheskoe mashinostroenie [Omsk Scientific Bulletin. Ser. Aviation-Rocket and Power Engineering], 2023, vol. 7, no. 3, pp. 9–14, https://doi.org/10.25206/2588-0373-2023-7-3-9-14 (in Russ.).

[5] Kostetskiy B.I., Nosovskiy I.G., Barshadskiy L.I. Nadezhnost i dolgovechnost mashin [Reliability and durability of machines]. Kiev, Tekhnika Publ., 1975. 408 p. (In Russ.).

[6] GOST 31843–2013. Neftyanaya i gazovaya promyshlennost. Kompressory porshnevye. Obshchie tekhnicheskie trebovaniya [State standard GOST 31843–2013. Petroleum and natural gas industries. Reciprocating compressors. General technical requirements]. Moscow, Standartinform Publ., 2015. 173 p. (In Russ.).

[7] Neftegaz Digest, 2018, no. 4. 22 p. (In Russ.).

[8] Aliev V.I., Gasanov I.I. Increase of efficiency of sealing of compressor cylinders of gas motor compressors in the system of gas-lift oil production of offshore fields. Problemy mashinostroeniya i nadezhnosti mashin, 2023, no. 6, pp. 96–101. (In Russ.).

[9] Kulbyakina A.V., Savelyeva A.I., Ozerov N.A. et al. System analysis as a tool for implementing low–waste and waste–free production at oil and gas industry enterprises. Omskiy nauchnyy vestnik. Ser. Aviatsionno-raketnoe i energeticheskoe mashinostroenie [Omsk Scientific Bulletin. Ser. Aviation-Rocket and Power Engineering], 2023, vol. 7, no. 3, pp. 36–45, doi: https://doi.org/10.25206/2588-0373-2023-7-3-36-45 (in Russ.).

[10] Kragelskiy I.V. Trenie i iznos [Friction abd wear]. Moscow, Mashinostroenie Publ., 1968. 480 p. (In Russ.).

[11] Garkunov D.N. Tribotekhnika. Konstruirovanie, izgotovlenie i ekspluatatsiya mashin [Tribotechnology. Design, manufacture and operation of machines]. Moscow, Izd-vo MSKhA Publ., 2002. 632 p. (In Russ.).

[12] Yastrebova N.A., Kondakov A.I., Lubenets V.D. et al. Tekhnologiya kompressorostroeniya [Technology of compressor design]. Moscow, Mashinostroenie Publ., 1987. 336 p. (In Russ.).

[13] Korsakov V.S. Osnovy tekhnologii mashinostroeniya [Fundamentals of machine building technology]. Moscow, Vysshaya shkola Publ., 1974. 335 p. (In Russ.).

[14] Korsakov V.S., Zamyatin V.K., eds. Sborka i montazh izdeliy mashinostroeniya [Assembly of machine-building products]. Moscow, Mashinostroenie Publ., 1983. 480 p. (In Russ.).

[15] Trukhin A.Kh. Povyshenie nadezhnosti i dolgovechnosti porshnevykh kompressornykh mashin [Increase of reliability and durability of piston compressor machines]. Moscow, Mashinostroenie Publ., 1972. 176 p. (In Russ.).

[16] Kobylskiy R.E., Busarov S.A. Prediction of the service life of cylinder piston seals of reciprocating compressors. Khimicheskoe i neftegazovoe mashinostroenie, 2023, no. 3, pp. 38–41. (In Russ.).

[17] Kobylskiy R.E. The use of a combined seal to reduce the load acting on the cylinder piston seal. Vestnik BGTU im. Shukhova [Bulletin of Belgorod State Technological University n.a. V.G. Shukhov], 2022, no. 7, pp. 117–125, doi: https://doi.org/10.34031/2071-7318-2022-7-7-117-125 (in Russ.).