Acquiring production reserve by optimizing control over methanol synthesis column
DOI:
https://doi.org/10.15587/1729-4061.2014.25174Keywords:
methanol synthesis column, search algorithm, mathematical model, optimal performanceAbstract
In this paper, the authors propose an approach to ensuring stable performance of a methanol synthesis unit in conditions of changing specified loads and uncontrolled disturbances. The developed algorithm of controlling the unit consists of two parts. The first part is in charge of searching for an approximate solution and transferring the object under control to the area close to optimal; the second part includes a fine adjustment of the optimal values by using a search method. The system is developed by involving SCADA as part of the control system.
The proposed control algorithm ensures stable performance of the methanol synthesis unit by means of optimal reallocation of syngas costs via physical channels of the synthesis column.
The functional dependence of the coordinates of extremis on the values of syngas costs is determined.
As a result of implementing the proposals, the methanol cost price reduces due to minimizing the use of raw materials and energy per an output unit.References
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Copyright (c) 2014 Марина Геннадьевна Лория, Алексей Борисович Целищев, Петр Иосифович Елисеев, Абдалхамид Джабран
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