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Alternative solution and strength check of mechanical screens
Sommer, Matěj ; Malach, František (referee) ; Malášek, Jiří (advisor)
This master’s thesis deals with a new design of bar screens. The goal was to come up with an alternative design to already existing device by INKOS a. s. In the first part, there is a summary of various machines working in similiar conditions. The insights gained by this research influenced the design of the new device. It utilizes well proven solutions from previous projects, but some of these were reworked and a few new functions were added. Second part of the thesis describes the analytical solutions, which were used to determine the forces in the assembly during the operation of the device. Based on the results of these calculations, a strength analysis of important components was performed using the finite element method. The result of this thesis is the design and optimization of new bar screens, including engineering drawings and tools for its further development.
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Mechanical pretanning in sewage works
Černý, Marian ; Grosman, Martin (referee) ; Němec, Zdeněk (advisor)
The bachelor thesis contains a literature search dealing with mechanical equipment of waste water treatment plants. After introduction of waste treatment there is stated some description of technical and construction search of particular equipment, system of their operating, analysis of their operation parameters and their using on waste water treatment plants in this bachelor thesis. There are described typical ordering of particular equipment in to technological lines on waste water treatment plants. The bachelor thesis contains description of self-cleaning screen, hand skimmed screen, mechanical coarse screen, mechanical fine screen, equipment for grit and sand removing, skimmed cylinder strainers, screw conveyors, screw presses for screenings with washing and integrated coarse pre-treatment. There are published some schemes, sketches, photos and tables of technical parameters above mentioned equipment in this bachelor thesis. The sketches of technical drawing character are treated in Autodesk ACAD 2005 program.
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Alternative solution and strength check of mechanical screens
Sommer, Matěj ; Malach, František (referee) ; Malášek, Jiří (advisor)
This master’s thesis deals with a new design of bar screens. The goal was to come up with an alternative design to already existing device by INKOS a. s. In the first part, there is a summary of various machines working in similiar conditions. The insights gained by this research influenced the design of the new device. It utilizes well proven solutions from previous projects, but some of these were reworked and a few new functions were added. Second part of the thesis describes the analytical solutions, which were used to determine the forces in the assembly during the operation of the device. Based on the results of these calculations, a strength analysis of important components was performed using the finite element method. The result of this thesis is the design and optimization of new bar screens, including engineering drawings and tools for its further development.
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Mechanical pretanning in sewage works
Černý, Marian ; Grosman, Martin (referee) ; Němec, Zdeněk (advisor)
The bachelor thesis contains a literature search dealing with mechanical equipment of waste water treatment plants. After introduction of waste treatment there is stated some description of technical and construction search of particular equipment, system of their operating, analysis of their operation parameters and their using on waste water treatment plants in this bachelor thesis. There are described typical ordering of particular equipment in to technological lines on waste water treatment plants. The bachelor thesis contains description of self-cleaning screen, hand skimmed screen, mechanical coarse screen, mechanical fine screen, equipment for grit and sand removing, skimmed cylinder strainers, screw conveyors, screw presses for screenings with washing and integrated coarse pre-treatment. There are published some schemes, sketches, photos and tables of technical parameters above mentioned equipment in this bachelor thesis. The sketches of technical drawing character are treated in Autodesk ACAD 2005 program.
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