MODELING OF HEATING AND MELTING PROCESSES OF HYDROCARBON MIXTURES WITH FORCED REMOVAL OF THE MELT

O. Obodovych, G. Ivanitsky, O. Stepanova
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Abstract

Analysis of the work, which considered the mathematical modeling of the melting process in various industries, currently does not pay attention to modeling the processes of heating and melting of hydrocarbon mixtures, such as vaseline, paraffin, fats, lanolin and others. The issue of optimization of heating and melting processes, calculations of necessary process parameters (speed and depth of thermal front penetration, etc.) and equipment, avoidance of repetition for each hydrocarbon mixture of experimental studies shows the need to develop a mathematical model of these processes. For the method of melting a substance placed in a cylindrical tank, based on the movement of a disc heating element under the action of gravity during melting and overflow of molten substance through the gaps between the disc and the walls of the tank, simulation has been carried out. Simulation of the melt flow in the annular gap is presented, which describes the laminar flow under the influence of the pressure drop and the velocity of the vessel wall relative to the heater, and the melt flow under the heater.
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采用强制去除熔体的碳氢化合物混合物加热和熔化过程的模拟
分析工作考虑了各行业熔融过程的数学建模,目前没有注意到烃类混合物的加热和熔化过程的建模,如凡士林、石蜡、脂肪、羊毛脂等。优化加热和熔化过程、计算必要的过程参数(热锋穿透的速度和深度等)和设备、避免重复对每种碳氢化合物混合物进行实验研究的问题表明,有必要建立这些过程的数学模型。对于圆柱形罐内物质的熔化方法,基于圆盘加热元件在重力作用下的熔化运动以及熔融物质通过圆盘与罐壁之间的间隙溢出的情况,进行了模拟。对环形间隙内的熔体流动进行了模拟,描述了在压力降和相对于加热器的容器壁速度影响下的层流流动,以及在加热器下的熔体流动。
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