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Cogeneration in units for thermal processing of biomass and waste
Uhmann, Petr ; Šomplák, Radovan (referee) ; Pavlas, Martin (advisor)
The diploma thesis deals with the cogeneration in units for thermal processing of biomass and waste. The theoretical part deals with the description of biomass and waste and energy recovery from these sources. In theoretical part is also focused on cogeneration and description of computational models of steam turbines. The practical part is focused on a specific calculation of the three steam turbines and comparison of computational models. On the base of the results is designed implementation of computational models to the simulation software W2E.
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Design of a technological line for recycling autoclaved aerated concrete
Bajzík, Martin ; Bojanovský, Jiří (referee) ; Skryja, Pavel (advisor)
The diploma thesis is focused on the design of a production line for processing waste material from autoclaved aerated concrete production. The introduction of the thesis describes the current situation with aerated concrete waste processing, it´s characteristics, raw materials used for the production and the production technology. The theoretical part of the thesis reviews the crushing process and the equipment used in mineral processing lines such as: crushers, mills, separators and conveyors. In the practical part of the thesis the focus is on the design of the production line, selection of the equipment, mass balance and economical evaluation of the investment.
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The Material Flow Production System Analysis and Improvement Proposals
Marešová, Petra ; Kuruc, Miroslav (referee) ; Bartošek, Vladimír (advisor)
This thesis focuses on the analysis material flow of the production system at ABB Ltd. and suggestions for improvements. The work consists of theoretical, analytical and design parts. The theoretical part contains the basic concepts of production. In the analytical part, there is described a current situation in production areas of the company on the basis of theoretical knowledge. In the final part, the solutions are designed to help improve the business.
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Sustainability Report in Company
Mlejnek, Tomáš ; Zuzana, Zapletalová (referee) ; Kocmanová, Alena (advisor)
Thesis deals with the reporting of sustainability development and its mode of administration of regular reports. The first section contains information ofsustainability development and a summary of the approach of the UN and the EU to sustainability development, which influenced business attitudes to the disclosure of periodic results using standardized reporting of sustainability. The second part analysis the situation of companies in the administration report brewing on sustainability and social responsibility. The aim is to develop recommendations for the creation of reports on sustainable development and social responsibility on the basis of previous analyzes and evaluation of their development.
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Utilization of Waste Vegetable Oils as an Alternative Fuel for Diesel Combustion Engines
Michna, Lukáš ; Novotný, Pavel (referee) ; Stodola, Jiří (advisor)
In the introduction this thesis brings a short summary of the energy, environmental and economical balance, related to the production and use of conventional fuels for diesel engines, and compares them with possibility of using recycled cooking vegetable oils as a fuel. The main part focuses on the laboratory analysis of major physical and chemical properties of this alternative fuel and on their comparison to diesel fuel, especially according to ČSN EN 590 norm. In conclusion there is a proposal of diesel vehicle modification to be propelled with waste vegetable oils.
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Integration of Waste-to-Energy Plant into the District Heating Network with Existing Heating Plant
Kopecký, Václav ; Janošťák, František (referee) ; Putna, Ondřej (advisor)
The main two goals of this thesis are summarization of current state of waste management policies in the Czech Republic and introduction of possibilities connected with waste-to-energy strategy. This thesis is divided to 4~sections, each of them focused around different part of this complex problem, or issues directly connected to it. In the first part, state of waste management in the Czech Republic is discussed from several different points of view. Then, district heating is introduced as a solid platform for waste-to-energy facilities. The last two chapters present several other issues, connected with construction of new waste-to-energy plants and methods of optimization of long term rentability models.
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The Study Efficiency of Utilization of Selected Machines in Operation
Khachatryan, David ; Horký, Martin (referee) ; Jurová, Marie (advisor)
This thesis deals with examination of the efficiency of the use of the selected machine in the company HARTMANN – RICO, and presents proposals of its increase through lean production methods. The introductory section offers a description of the company's business activities. The theoretical part summarizes the most important findings and methods of lean production. The analytical part examines the machine in terms of production process and subsequently offers an analysis of the current state conducted in order to find bottlenecks in production. The practical part presents proposals of lean production methods implementation with the purpose of increasing the efficiency of the machine.
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