MANAGEMENT OF GAS-AIR ENERGY INSTALLATION OF INDUSTRIAL ENTERPRISE
DOI:
https://doi.org/10.15588/1607-6761-2017-2-9Keywords:
technological installation, gas-air streams, electric energy, control, microcontroller, algorithmsAbstract
Purpose. The goal of the work is to substantiate the issue of effective use of kinetic energy of gas-air flows used by the technological installation for generating electric power, which will allow developing a new control algorithm and creating new software for controlling the gas-air power plant. To test the adequacy of the developed control algorithms and software, to develop a laboratory gas-air power plant.
Methodology. To investigate the distribution of air-gas mass in process plants used industrial plant simulation method performed in software SolidWorks Flow Simulation. The method of simulation allowed to develop a new control algorithm and create new software taking into account the basic technical requirements for the management of the gas-air power plant. To test the efficiency of the developed algorithms and control software for the gas-air power plant, a physical modeling method was used on a developed laboratory installation connected via a USB interface with a computer and has a virtual model of the SCADA system presented in the LabVIEW environment.
Findings. Based on the modeling of gas-air flows on the developed mathematical model, the optimal ratios of pipeline sizes are rationally determined, the gas-air mixture costs necessary for the most efficient operation of the gas-air power plant, that is, in the working zone of the gas-air path, the generator screw contacts the most significant flows, providing the maximum effect rotation. The obtained results of research of gas-air flows of technological installations of an industrial enterprise in the software environment of SolidWorks Flow Simulation and on their basis the basic technical requirements for the management of a gas-air power plant are developed. An optimal control algorithm has been developed that enabled it to be introduced into the control scheme of a gas-air power plant with a microprocessor or a specialized microcontroller.
Originality. New possibilities for further improvement of the known basic mathematical models of the kinetics of gas-air flows have been found and variants of adaptation in the field of gas dynamics have been proposed for estimating the expenditure of gas-air flows during the operation of a fan installation on a pipeline. The structural scheme and algorithms for controlling the gas-air power plant are developed, which includes a fan, a generator, a pipeline and a control unit based on the use of the Arduino Uno microcontroller. The algorithm of the subroutine for connecting the gas-air power plant with the SCADA system.
Practical value. The proposed method of generating electric power by a gas-air power plant with a microprocessor control system, as shown by calculations confirmed by experimental studies on a laboratory installation, allows to reduce up to 20% of the amount of spent electricity by a process unit and can be used in industrial conditions. The introduction of gas-air power plants with a microprocessor system and a SCADA system will improve the energy efficiency of process plants.
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