Janusz Zyśk¹, Artur Wyrwa¹, Maciej Raczyński¹, Marcin Pluta¹, Sabina Michalska¹, Emilia Wyrwa¹, Tadeusz Olkuski¹, Wojciech Suwała¹

¹AGH University of Krakow, Faculty of Energy and Fuels, al. A. Mickiewicza 30, 30-059 Krakow, Poland

Energy and emission balance of the Małopolskie Voivodeship in 2020

The article presents the energy balance for the Małopolskie Voivodeship in 2020. It shows the production, import, input and output of transformation, own consumption of power plants, combined heat and power plants, network losses and consumption in the economic sectors (industry, waste), transport (road and rail), buildings (residential and tertiary), as well as in agriculture and forestry of the following energy carriers: hard coal, crude oil and petroleum products (including gasoline, diesel, LPG), non-renewable
waste, derived heat and electricity. An estimate of greenhouse gas emissions in 1990 and 2020 in the Małopolskie Voivodeship is also presented.

Key words: greenhouse gas emissions, energy scenarios, energy balance

https://doi.org/10.7494/miag.2023.1.553.7

Tomasz Kuś¹, Navaneethan Subramanian¹, Paweł Madejski¹, Michał Karch¹

¹ AGH University of Krakow, Faculty of Mechanical Engineering and Robotics, al. A. Mickiewicza 30, 30-059 Krakow, Poland

Assessment of the potential for CO₂ capture using post-combustion methods

The combustion of fossil fuels in the process of generating electricity causes the emission of carbon dioxide, which is considered the main anthropogenic reason for global warming. The paper’s subject is to assess the potential for CO₂ capture using post-combustion methods. Post-combustion methods such as chemical absorption, physical separation, membrane separation, and chemical looping, are described. The thermodynamic modeling of a coal-fired supercritical power plant integrated with a post-combustion carbon capture installation using the solvent method is performed. The results obtained from the model are used to investigate the impact of the power plant when carbon capture is performed.

Key words: CO₂ emissions, PCCS, amine technologies

https://doi.org/10.7494/miag.2023.1.553.19

Richard Kandzia¹, Mariusz Szot²

¹ THIELE GmbH & Co.KG, Werkstr. 3, 58640 Iserlohn, Germany
² GIG Central Mining Institute pl. Gwarków 1, 40-166 Katowice, Poland

Technological aspects of mining chain production development

This paper presents a brief historical overview of the development and types of mining chains currently in production, as well as their contribution to the global market. The directions of development for mining link chains were identified in terms of the materials and strength parameters applied. The negative influence of certain factors that decrease the performance of mining chains are also demonstrated.

Key words: chain, safety, durability

https://doi.org/10.7494/miag.2023.1.553.35

Radosław Rejman¹, Karolina Greń¹, Rafał Żelazko¹, Wojciech Liwacz¹

¹AGH University of Krakow, al. A. Mickiewicza 30, 30-059 Krakow, Poland

The Kalman autonomous planetary rover

The project presented in the article is proof of the usefulness of student organizations and its effectiveness in the popularization of advanced technologies as well as future solutions in industry. A student-developed planetary rover, using a Kalman filter and other algorithms responsible for dynamic terrain mapping and pathfinding, is capable of non-collision movement in the most challenging environments. Moreover, the rover uses a 6DOF arm developed by students to undertake manual actions, such as soil sampling or maintenance tasks with ease. The invention is provided with a drill to be capable of extracting a sample from a depth of 30 cm, which is expected to greatly enhance the research of the geological history of the surveyed region. The robot has been tested numerous times at planetary rover competitions with success, proving the potential of such platforms as one of starting points in space exploration and opportunities in industrial use, especially in hard-to-reach mining areas. The featured project represents an inspiration for future young engineers and scientists by opening perspectives for implementing similar technologies for more efficient and safer operations in industry.

Key words: rover, robot, autonomy, mechanization, mining

https://doi.org/10.7494/miag.2023.1.553.35

Rajmund Horst, Jan Zdziebko

Mechanization and automation in the production processes of Polska Grupa Górnicza S.A.

In Polska Grupa Górnicza S.A., actions are still being taken to mechanize and automate work, striving to increase production efficiency and reduce the physical burden on miners. Mechanization of works covers further areas which enable the process of automation of underground mining processes. The article presents the leading solutions in the field of mechanization and automation in mine transport, the mechanization of sharing and auxiliary works, and the remote control of belt conveyors and main switchboards. The article also contains a description of the work carried out which support automation processes: activities in the standardization of the equipment of longwall systems, pressure monitoring of powered supports, wireless communication, electronic identification of production assets, and the visualization of the operating parameters of machines and devices.

https://doi.org/10.7494/miag.2021.3.547.7

Krzysztof Ćwiertnia

A newly patented method for measuring the actual forces of hoist vessel impact on shaft reinforcement

Observations and conclusions regarding a new method of measuring shaft hoist vessel forces acting on the structure of shaft reinforcement are presented in the article. The idea behind this method is the direct absorption of the forces resulting from the impact of the measuring rollers (front and two side rollers) attached to the vessel by the guide and transferring them to the measuring elements, i.e. through a hydraulic actuator, pressure transducer and recorder. The recorder also receives a signal from an optical sensor, which determines the position of the vessel in the shaft. The method allows measuring the actual values of hoist vessel forces acting on shaft reinforcement, without any simplifications, theoretical assumptions and complicated mathematical functions.

https://doi.org/10.7494/miag.2021.3.547.17

Rafał Pasek, Krzysztof Rozwadowski, Zygmunt Zuski

The modernization of the main fan station of the “Wilson” shaft in KS “Wieliczka” S.A.

This article discusses the modernization of the Wilson shaft’s main fan station in KS “Wieliczka” S.A., which included: the station building, main fans, the 110 kW electric motors to drive the fans, 3/0.4 kV transformers, 3 kV “Wilson” switchgear, 0.4 kV main switchgear and the communication systems used to control the station.

https://doi.org/10.7494/miag.2021.3.547.31

Wojciech Temel, Ireneusz Czajka, Tomasz Lach, Łukasz Halama

Design of a station for welding parts of a car exhaust system

Making large batches of repeatable components is a challenge for the manual welding process. The solution to these problems is automation using machines with two- or multi-axis systems. The design of a station for welding elements of car mufflers focuses on the automation of one of the processes at Ulter-Sport Sp. z o.o. through the use of a prototype five-axis numerically controlled station. The use of this type of solution provides the operator with the opportunity to quickly develop new welding cycles, which are repeatedly and accurately mapped using a ball system and stepper motors. The spacious working area and large movement capabilities of the torch allow the machine to adapt to perform other welding tasks.

https://doi.org/10.7494/miag.2021.3.547.51