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master's thesis
Rekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka
Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2019. urn:nbn:hr:235:185813
Vučinić, Borna
University of Zagreb
Faculty of Mechanical Engineering and Naval Architecture

Institutional repository: Repository of Faculty of Mechanical Engineering and Naval Architecture University of Zagreb

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Vučinić, B. (2019). Rekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka (Master's thesis). Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture. Retrieved from https://urn.nsk.hr/urn:nbn:hr:235:185813

Vučinić, Borna. "Rekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka." Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2019. https://urn.nsk.hr/urn:nbn:hr:235:185813

Vučinić, Borna. "Rekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka." Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, 2019. https://urn.nsk.hr/urn:nbn:hr:235:185813

Vučinić, B. (2019). 'Rekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka', Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, accessed 30 July 2024, https://urn.nsk.hr/urn:nbn:hr:235:185813

Vučinić B. Rekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka [Master's thesis]. Zagreb: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture; 2019 [cited 2024 July 30] Available at: https://urn.nsk.hr/urn:nbn:hr:235:185813

B. Vučinić, "Rekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka", Master's thesis, University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Zagreb, 2019. Available at: https://urn.nsk.hr/urn:nbn:hr:235:185813

Metadata
TitleRekonstrukcija niskotemperaturnog dijela postrojenja za kriogenu separaciju zraka
Title (english)"Cold box" retrofit in cryogen air separation unit
AuthorBorna Vučinić
MentorNenad Ferdelji (mentor)
Committee memberHrvoje Jasak (predsjednik povjerenstva)
Committee memberSaša Mudrinić (član povjerenstva)
Committee memberAnkica Kovač (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Mechanical Engineering and Naval Architecture
Zagreb
Defense date and country2019-07-12, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Process Energy Engineering
Abstract
Tema ovoga rada je rekonstrukcija niskotemperatunog dijela postrojenja za kriogenu separaciju zraka. Na početku rada opisani su dijelovi spomenutog postrojenja i osnovni procesi pomoću kojih se separacija zraka odvija. Objašnjena je uloga niskotemperatunog dijela i njenih komponenti, a to su truboekspanderi i sustav izmjenjivača topline. S obzirom da rekonstrukcija podrazumjeva optimizaciju i dimenzioniranje izmjenjivačkih površina posebice su opisani razvoj, vrsta i značaj izmjenjivača topline u kriogenoj separaciji zraka. Nakon toga je opisana problematika zadatka i uvjeti koje je potrebno zadovoljiti rekonstrukcijom. Potom je dan shematski prikaz izmjenjivača topline s mrežom struja te je provedena analiza masenih i toplinskih tokova. Na osnovu toga, koristeći se Pinch analizom, određena je maksimalna iskoristivost topline te je određena potreba za vanjskim spremnicima topline. U cilju postizanja maksimalne iskoristivosti topline izvršena je optimizacija mreže struja i izmjenjivačkih površina. Na kraju je izvršeno dimenzioniranje izmjenjivačkih površina pomoću termodinamičkog proračuna.
Abstract (english)
The topic of this thesis is the reconstruction of the low-temperature part of the cryogenic separation plant. At the beginning of the work the parts of the mentioned plant and the basic processes by which air separation takes place are described. The role of the low-temperature part of the plant and its components has been explained, namely turboexpanders and heat exchanger systems. Since reconstruction implies optimization and dimensioning of the exchange surfaces, the development, type and importance of the heat exchangers in the cryogenic separation of air processes is described. After that, the task problem and the conditions that need to be met by reconstruction are described. Then a schematic illustration of the heat exchanger with the current grid was given and an analysis of mass and heat flows was performed. Based on this, using the Pinch method, maximum heat utilization is determined and possible need for external heat utilities. In order to achieve maximum heat utilization, the optimization of the network and the exchanging surfaces was carried out. At the end, dimensioning of the exchange surfaces was done by means of a thermodynamic calculation.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:235:185813
Study programmeTitle: Mechanical Engineering
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka strojarstva (magistar/magistra inženjer/inženjerka strojarstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2019-07-16 08:56:10