Технічна інженерія | VOL. 0
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Енергоощадний режим роботи ректифікаційної колони зневоднення етиленгліколю

Publication Date Dec 11, 2019

Abstract

The article offers theoretical analysis of the possibility of using in the distillation column for dehydration of ethylene glycol of several streams of coolant, which has different temperature to reduce energy costs for ethylene glycol production. The directions for the literary review of modern research were selected: optimization in the design and operation of the distillation column, reduction of energy costs during rectification, methods for assessing the energy efficiency of the rectification process. The purpose of the article is to analyze the efficiency of the modernization of the distillation column to reduce energy costs for ethylene glycol production. Cost reduction is possible due to the use of heat carriers of different temperature potentials. For the purpose of estimating the amount of energy savings, a model is used, where the column is provided with thermal energy produced by a heat pump. The proposed model of heat exchange in the distillation column takes into account the internal convective heat exchange between the reflux condenser and the vat residue and the external heat exchange that is realized by the heat pump. In the proposed model, the heat pump operates on the ideal Carnot cycle, consumes mechanical energy and transfers thermal energy from the reflux condenser to the residue, increasing the temperature potential columns. The simplifications for the model solution are formulated and substantiated, an example of calculating the energy efficiency of the rectification process of a binary mixture of eth...

Concepts
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Distillation Column
Binary Mixture Of Ethylene Glycol
Dehydration Of Ethylene Glycol
Heat Pump
Amount Of Energy Savings
Ideal Carnot Cycle
Heat Carrier Flow
Distillation
Ethylene Glycol
Internal Convective Heat

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