Abstract
The development of effective separation schemes for oil refining products is an urgent task for modern industry. Clean and super pure materials are the main requirement of modern productions. The implementation of modern technological processes in the petrochemical and oil refining industry requires highly efficient devices, to which high demands are placed on ergonomics, economy, manufacturability and reliability. The effectiveness of the mass-exchange apparatus depends on the conditions of the technological process, the physical properties of the contact phases, taking into account the nature and amount of mechanical impurities circulating in this system. Therefore, the evaluation of the efficiency of mass-exchange devices with different types of contact devices, in order to identify their optimal technological and design parameters, is quite a difficult practical task. The application of a mathematical complex for the evaluation of the efficiency of mass exchanging apparatuses makes it possible to select the optimal operating modes and the design of a column disk apparatus necessary for efficient separation of the mixture. Dependences of the mass transfer coefficients in the gas phase and the efficiency of the Murphy sieve plate are presented, depending on the gradient at different gas velocities in a columnar apparatus for a sieve tray. An increase in the gas velocity reduces the effect of the uneven distribution of the liquid and gas (vapor) on the mass transfer coefficient in the gas phase, and at a gas velocity of 1 m/s and higher, there is no. A 40% reduction in the mass transfer coefficient in the gas phase is observed at a speed of 0.2 m/s, and at 1 m/s - by 1%. Increasing the gradient increases this effect. The decrease in the efficiency of the plate-type mass transfer apparatus by 5–35% used in petrochemical production is due to the gradient of the liquid level, as well as the type of contact device and the gas velocity
Highlights
Решением этих вопросов является модернизация существующих и разработка наиболее эффективных схем разделения исходной смеси на составляющие, создание новых перспективных типов контактных устройств, действующего технологического оборудования и промышленных технологий
The decrease in the efficiency of the plate-type mass transfer apparatus by 5–35% used in petrochemical production is due to the gradient of the liquid level, as well as the type of contact device and the gas velocity
A 40% reduction in the mass transfer coefficient in the gas phase is observed at a speed of 0.2 m/s, and at 1 m/s - by 1%
Summary
Решением этих вопросов является модернизация существующих и разработка наиболее эффективных схем разделения исходной смеси на составляющие, создание новых перспективных типов контактных устройств, действующего технологического оборудования и промышленных технологий. The decrease in the efficiency of the plate-type mass transfer apparatus by 5–35% used in petrochemical production is due to the gradient of the liquid level, as well as the type of contact device and the gas velocity Определение эффективности тарельчатых массообменных аппаратов, применяемых в нефтехимическом производстве // Вестник ВГУИТ. For citation Lastname F.S., Lastname F.S., Lastname А.S., Lastname F.S. Determination of the efficiency of the plate-type mass transfer apparatus used in petrochemical production.
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