Annotation
The thermal and thermodynamic calculation of closed and open loop individual systems of coal preparation at TPP with different types of mills reveals the possibilities of increasing the efficiency of the technological scheme by utilizing the heat removed from the system and thus increasing the thermodynamic efficiency.
The development of civilization is associated with the creation of various methods of energy conversion. Humanity has come a long way from the water wheel to modern power plants. Though earlier people did not think about the damage to the environment from the work of a number of power plants, today this cannot be ignored. Renewable energy sources (RES) and their using by modern technologies claim to play a significant role in the world energy sector. Support for the development of RES in Russia is currently based on compensation of costs under contracts for the sale of power in the wholesale electricity and power market. According to the results of the competition of the Trading System Administrator, projects under the contracts for renewable energy power supply selected. Analysis of bids of the Trading System Administrator (TSA) showed that until 2023 will be introduced 1.8 GW of solar power plants, so the actual goal will be the correct operation of them in the weather conditions of Russia. Pollution of various types, which can be on the panels can affect the operation of solar panels (SP) and prevent the ingress of solar radiation on them. The article investigates the influence of various types of pollutants on the power generated by solar panels and promising places for the construction of solar plants in the climatic and geographical conditions of Russia, taking into account possible polluting factors, which can lead to total economic damage of up to 15 million rubles per year.
Abstract. The research of pump performance control schemes based on bypassing depending on the moving medium is carried out with the use of the virtual model of the process. Such approach speeds up and simplifies the development and reduces the risk of errors made by the developer in the execution of routine operations. Unlike theoretical methods of research, the virtual model of the process allows the developer to concentrate on the physics of simulated actions or the principles of the functioning of technological systems, without delving into the subtleties of programming. It is established that this simulator will significantly improve the operator's work, provide high-quality process control, and will also allow to ensure safe operation in the real conditions in the chemical-technological production.
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