Система оптимального керування електротехнічним комплексом біогазової установки
Abstract
UDC 519.68
SYSTEM CONTROL OF THE ELECTRO TECHNICAL COMPLEX OF BIOGAS PRODUCTION
N. Starodub, S. Shvorоw, D. Komarchuk, V. Lukіn, P. Ohrіmenko
One of the important sectors of renewable energy in the world is energy production and use of biogas. One of the areas of intensification of fermentation is the optimal dosage and cavitations processing various feedstocks, optimal heating and mixing the loaded substrate. This promising trend of intensification of biogas plants is the use of multimodal systems for biogas.
As the results of theoretical and practical research, the largest produce of biomethane, provide substrates with a high concentration of energy, fresh grass, beet tops, corn, cereal plants. The best mode for all groups of bacteria is a temperature range of 35-40 C, which also provided a control system based biogas reactor predicted temperature. Hydrolysis and acid-forming bacteria in the environment to the level of pH 4,5-6,3 reach its optimum activity, while bacteria that form acetic acid and methane can live only at neutral or slightly alkaline level at pH 6,8-8. For all bacteria are generally valid if the pH exceeds the optimum, they become less active in his life, delaying the formation of biogas.
The process intensification output of biogas is that the flow of different types of biomass in modules of biogas reactor microscopic crushed to the required level and homogenised. Using a special optical immune biosensor based on surface plasma resonance is determined by the amount and rate of growth of microbial populations in the emerging biomass necessary for optimal dosing of various raw materials and special additives, which together with the cavitation destructors biomass will greatly increase the biogas yield for different species energy.
The technology of biogas and organic fertilizer can be represented multistep sequence of certain stages and working operations.
The working hypothesis of the study is that by optimizing the individual steps in the cycle of study (dosing, destruction, cavitation, heating) of various raw materials and special additives (enzymes) is achieved by increasing the output of biogas and organic fertilizer, increasing their quality, increased productivity gas installations and reduced cost of biogas.
In ours biogas reactor systems is covered the entire cycle of operations - from receiving optimal amounts of various types of raw material and special additives to obtain the finished product - biogas and fertilizer. It is assumed that the processing of incoming raw materials is controlled N-phased dynamic process that every (n) stage is characterized by two types of parameters: Control parameters m (capacity of various types of raw material and impurities) and parameters of G (about 'in volume resulting biogas to the n-th stage). In a total resource limitations serving time operation of the plant (T) and value costs (C) allocated to incoming raw materials and additives.
The ultimate objective of installations for biogas is to maximize the volume of biogas.
Based on the analysis installations for biogas control problems affecting the efficiency of biomethane, the method and system for optimal control of complex electrical biogas plant dosage incoming substrates and catalytic additives necessary to obtain the maximum volumes of biogas and organic fertilizer.
References
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