АУТОР(И) / AUTHOR(S): Mladen Josijević, Vanja Šušteršič, Vladimir Vukašinović, Dušan Gordić, Dubravka Živković, Jelena Nikolić
DOI: 10.46793/EEE24-4.19J
САЖЕТАК / ABSTRACT:
Industrija hrane i pića je značajna industrijska grana u pogledu potrošnje energije. Ona učestvuje sa oko 30% u ukupnoj potrošnji finalne energije u sektoru industrije. Od ukupne količine energije koja se potroši u ovoj industrijskoj grani najviše se troši na konverziju u toplotnu energiju i na procese hlađenja. Prema istraživanjima čak 30% toplotnih tokova u prehrambenoj industriji gubi se na kraju procesa u vidu otpadne toplote, koja je najčešće relativno niske temperature. Utvrđivanjem postojanja izvora otpadne toplote adekvatnog energetskog potencijala i primenom toplotnih pumpi moguće je podići temperaturni nivo na vrednost koja zadovoljava zahteve procesa. Mapiranje izvora otpadne toplote, utvrđivanje energetskog potencijala tih izvora i izbor optimalne snage toplotne pumpe moguće je izvršiti samo sistematskim pristupom i detaljnom analizom postrojenja.
U radu je predložena metodologija za mapiranje izvora otpadne toplote u prehrambenoj industriji i utvrđivanje mogućnosti za implementaciju kompresorske mehaničke toplotne pumpe za iskorišćenje otpadne toplote. Predložena metodologija je testirana na studiji slučaja, mlekari, u kojoj se prosečno prerađuje 100 tona/dan mleka, na 7 proizvodnih linija. Primenom razvijene metodologije mapirano je ukupno šest lokacija (izvora) otpadne toplote od kojih su dve pogodne za primenu toplotne pumpe. Nakon izvršene tehno-ekonomske analize utvrđeno je da se ukupna investicija u sistem za prikupljanje i akumuliranje otpadne toplote i nabavku toplotne pumpe isplati za oko 17 meseci. Ukupno smanjenje emisije CO2 je 680 tona godišnje.
КЉУЧНЕ РЕЧИ / KEYWORDS:
prehrambena industrija, otpadna toplota, toplotna pumpa, mlekara
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