Mathematical modeling of the energy reduction system in the lifting transmission units of lifting installations for well repair
DOI:
https://doi.org/10.31471/1993-9868-2021-2(36)-106-119Keywords:
hoisting installation for repair of wells, oil and gas technological transport, diesel engine, transmission unit, gearbox, heat utilization, exhaust gases, power, specific fuel consumptionAbstract
The work is aimed at solving the problem of reducing energy losses in transmission units of hoisting installations for repairing wells. A method of rapid heating and maintaining the optimal temperature in the transmission units of lifting units by using the heat of the exhaust gases was proposed. The analysis of features of a design of transmissions of lifting installations for repair of wells is carried out. Studies of viscosity-temperature characteristics of modern transmission oils and temperature regime in transmission units have been performed. A mathematical model of energy release in transmission units during the operation of lifting units is proposed. Installed energy consumption for friction in the gears of the transmission units. Friction energy losses in bearings of transmission mechanisms of lifting units are determined. A method for reducing energy losses in transmission units of hoisting installations for well repair is proposed. Experimental studies of the implementation of the proposed method of reducing energy losses in transmission units have been performed. The dependence of power losses in the gearbox of lifting units depending on the temperature and grade of transmission oil is established. The dependence of power losses in the gearbox of the lifting unit of the UPA 60 / 80A model depending on the temperature and grade of transmission oil is obtained. The results of calculations of fuel consumption in the gearbox of the lifting unit of the UPA 60 / 80A model with different power drives and at different temperatures of transmission oil are given.
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