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undergraduate thesis
Poboljšanja energetske efikasnosti u postrojenjima obrnute osmoze
2017. urn:nbn:hr:155:272758
Mušić, Antonio
University of Dubrovnik
Department of Maritime Transport

Cite this document

Mušić, A. (2017). Poboljšanja energetske efikasnosti u postrojenjima obrnute osmoze (Undergraduate thesis). Dubrovnik: University of Dubrovnik. Retrieved from https://urn.nsk.hr/urn:nbn:hr:155:272758

Mušić, Antonio. "Poboljšanja energetske efikasnosti u postrojenjima obrnute osmoze." Undergraduate thesis, University of Dubrovnik, 2017. https://urn.nsk.hr/urn:nbn:hr:155:272758

Mušić, Antonio. "Poboljšanja energetske efikasnosti u postrojenjima obrnute osmoze." Undergraduate thesis, University of Dubrovnik, 2017. https://urn.nsk.hr/urn:nbn:hr:155:272758

Mušić, A. (2017). 'Poboljšanja energetske efikasnosti u postrojenjima obrnute osmoze', Undergraduate thesis, University of Dubrovnik, accessed 19 April 2024, https://urn.nsk.hr/urn:nbn:hr:155:272758

Mušić A. Poboljšanja energetske efikasnosti u postrojenjima obrnute osmoze [Undergraduate thesis]. Dubrovnik: University of Dubrovnik; 2017 [cited 2024 April 19] Available at: https://urn.nsk.hr/urn:nbn:hr:155:272758

A. Mušić, "Poboljšanja energetske efikasnosti u postrojenjima obrnute osmoze", Undergraduate thesis, University of Dubrovnik, Dubrovnik, 2017. Available at: https://urn.nsk.hr/urn:nbn:hr:155:272758

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Metadata
TitlePoboljšanja energetske efikasnosti u postrojenjima obrnute osmoze
Title (english)Energy Efficiency Upgrade in Reverse Osmosis Plants
AuthorAntonio Mušić
MentorŽarko Koboević (mentor)
Committee memberŽarko Koboević (predsjednik povjerenstva)
Committee memberMate Jurjević (član povjerenstva)
Committee memberNikša Koboević (član povjerenstva)
GranterUniversity of Dubrovnik
(Department of Maritime Transport)
Dubrovnik
Defense date and country2017-10-26, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Marine Mechanical Engineering
Abstract
Tema ovog rada je princip procesa obrnute osmoze, problem energetskog utroška tijekom rada samog procesa i riješavanje tog problema pomoću uređaja za povrat energije. Najkorišteniji uređaji za obnovu energije su pelton kolo, turbopunjač i izmjenjivač rada. Turbopunjač se uspješno koristi za očuvanje energije u sustavima obrnute osmoze od 1989. On djeluje kao obrnuto gonjena pumpa, gdje se koncentrat obrnute osmoze koristi za okretanje turbine, koja je sa svojim impelerom na osovini turbine spojena s pumpnim dijelom. Mlazni ventil usmjerava visokotlačni mlaz koncentrata na lopatice pelton kola, što potiče kolo da se okreće. Kinetička energija mlaza je pretvorena u rotirajuću mehaničku energiju. Spajanjem osovine pelton kola na motor ili pumpu, ta energija se može koristit za smanjenje potrebe za električnom energijom potrebne za tlačenje napojne vode. Izmjenjivači rada koriste sustav klipova i ventila za prijenos tlaka iz koncentrata obrnute osmoze do napojnih dijelova.
Abstract (english)
The subject of this paper is reverse osmosis, the problem of the amount of energy being used during the process and the solution to this issue with the help of energy recovering devices. The most commonly used devices for recovering energy are the pelton wheel, turbocharger and the work exchanger. The turbocharger is successfully being used to recover energy in reverse osmosis systems since 1989. It acts like a reverse driven pump, where the concentrate of reverse osmosis is being used to turn a turbine, which is connected to its impeller at the axle of the turbine by its pump part. A jet valve is used to guide the high pressure stream to the blades of the pelton wheel, which makes the wheel turn. The kinetic energy of the stream is converted into rotational mechanical energy. By connecting the axle of the pelton wheel to an engine or a pump, this energy can be used to reduce the need of electrical energy needed to supply the feed water. The work exchanger uses a piston and valve system to take the pressuere from the concentrates of reverse osmosis to fed areas.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:155:272758
Study programmeTitle: Marine Engineering
Study programme type: university
Study level: undergraduate
Academic / professional title: sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka pomorskog prometa brodostrojarskog smjera (sveučilišni/a prvostupnik/ prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka pomorskog prometa brodostrojarskog smjera)
Type of resourceText
File originBorn digital
Access conditionsOpen access
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Created on2017-11-23 11:34:29