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Analiza odlaganja vodnega kamna v sistemih s spremenljivo trdoto vode in magnetno obdelavo
ID Matkovič, Marcel (Author), ID Golobič, Iztok (Mentor) More about this mentor... This link opens in a new window, ID Zupančič, Matevž (Comentor)

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Abstract
Trda voda, ki vsebuje visoke koncentracije kalcijevih in magnezijevih ionov, pogosto povzroča nalaganje vodnega kamna v cevnih in toplotnih sistemih. Posledično se zmanjšuje učinkovitost prenosa toplote, povečuje poraba energije in skrajšuje življenjska doba naprav. V diplomskem delu preučujemo vpliv magnetne obdelave vode na nalaganje vodnega kamna v cevnih sistemih. Glavni cilj je bil eksperimentalno ovrednotiti učinkovitost magnetnega polja pri zmanjševanju tvorbe oblog iz kalcijevega karbonata. V ta namen je bil vzpostavljen sistem z dvema ločenima vodnima tokokrogoma. Sistem je bil enkrat izpostavljen magnetnemu polju, drugič pa je služil kot referenčna kontrola. Meritve so vključevale spremljanje temperature, tlaka, vrednosti pH, električne prevodnosti in trdote vode, dopolnjene z analizo strukture nastalih kristalov z vrstičnim elektronskim mikroskopom (SEM) in energijsko disperzijsko spektroskopijo (EDS). Rezultati so pokazali, da magnetna obdelava vpliva na obliko in strukturo kristalov, kar zmanjšuje njihovo sposobnost oprijema na zunanje stene cevi. S tem se potrjuje potencial uporabe magnetne obdelave kot alternativne metode za omejevanje nalaganja vodnega kamna v toplotnih in cevnih sistemih.

Language:Slovenian
Keywords:magnetna obdelava vode, trdota vode, kalcijev karbonat, kalcit, aragonit, analiza kristalov, prenos toplote
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Year:2025
Number of pages:XX, 68 str.
PID:20.500.12556/RUL-171623 This link opens in a new window
Publication date in RUL:29.08.2025
Views:134
Downloads:21
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Secondary language

Language:English
Title:Analysis of limescale deposition in systems with variable water hardness and magnetic treatment
Abstract:
Hard water, which contains high concentrations of calcium and magnesium ions, often causes limescale deposits to form in piping and heating systems. As a result, heat transfer efficiency decreases, energy consumption increases, and the service life of equipment is shortened. In this thesis, we examine the impact of magnetic water treatment on limescale formation in piping systems. The main objective was to experimentally evaluate the effectiveness of a magnetic field in reducing the formation of calcium carbonate deposits. For this purpose, a system with two separate water loops was established. The system was exposed to a magnetic field in one case, while in the other it served as a reference control. Measurements included monitoring of temperature, pressure, pH value, electrical conductivity, and water hardness, complemented by crystal structure analysis using Scanning Electron Microscopy (SEM) and Energy-Dispersive Spectroscopy (EDS). The results show that magnetic treatment affects the shape and structure of the crystals, reducing their ability to adhere to the outer walls of the pipes. This confirms the potential of magnetic water treatment as an alternative method for limiting limescale accumulation in thermal and piping systems.

Keywords:magnetic water treatment, water hardness, calcium carbonate, calcite, aragonite, crystal analysis, heat transfer

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