VIBRATION PROTECTION OF PUMPS ON THE FOUNDATION WITH A DAMPING PLATE MADE OF ELASTOMER

Assylkhan Mazdubay; Assylbek Kassenov; Kairatolla Abishev; Adilbek Mustafin; Ruslan Mukanov; Ansagan Suleimenov; Khamit Temirtas

doi:10.5937/jaes0-61412

Assylkhan Mazdubay Toraighyrov University, Faculty of Engineering, Department of Mechanics and Oil and Gas Engineering, Pavlodar, Kazakhstan https://orcid.org/0000-0003-3396-1716
Assylbek Kassenov 1) Toraighyrov University, Faculty of Engineering, Pavlodar, Republic of Kazakhstan 2) Kazakh National University of Water Management and Irrigation, Taraz, Kazakhstan https://orcid.org/0000-0001-9552-1439
Kairatolla Abishev Toraighyrov University, Faculty of Engineering, Department of Transport Equipment and Logistics, Pavlodar, Kazakhstan https://orcid.org/0000-0003-2001-0428
Adilbek Mustafin Toraighyrov University, Faculty of Engineering, Department of Mechanics and Oil and Gas Engineering, Pavlodar, Kazakhstan https://orcid.org/0009-0006-4357-4823
Ruslan Mukanov Satbayev University, Institute of Energy and Mechanical Engineering named after A. Burkitbayev, Department of Mechanical Engineering, Almaty, Kazakhstan https://orcid.org/0000-0001-9637-0513
Ansagan Suleimenov Toraighyrov University, Faculty of Engineering, Department of Transport Equipment and Logistics, Pavlodar, Kazakhstan https://orcid.org/0000-0001-9319-0285
Khamit Temirtas Toraighyrov University, Faculty of Engineering, Department of Metallurgy, Pavlodar, Kazakhstan https://orcid.org/0000-0002-6580-2085

DOI: https://doi.org/10.5937/jaes0-61412

Keywords: Vibration, vibration isolation efficiency, transmission ratio, disturbing force, damping device

Abstract

This paper examines the decrease in pump efficiency under off-design operating conditions, where vibrations and dynamic loads cause bearing failures, overloading of pump–foundation connections, rotor displacement, and runout. These effects also deteriorate the performance of end and slot seals, leading to increased fluid leakage. To address this issue, the use of damping devices in the form of polyurethane elastomer plates is proposed. These materials provide high damping capacity, dynamic modulus of elasticity, tensile strength, and acoustic vibration isolation efficiency. They are also characterized by exceptional abrasion resistance, significantly exceeding that of rubber and low-carbon alloys, as well as resistance to environmental influences, water, oils, and most chemically active substances. The application of elastomer damping deviceАs significantly reduces vibration levels, decreases dynamic loads on foundations, and enhances the overall reliability of pumping equipment.

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