Žiher, Ante (2016) Analiza prikladnosti različitih vrsta ogrjevnog drva u obliku drvne sječke kao goriva za male i srednje kotlove. = Analysis of the suitability of different firewood species in the form of wood chips as a fuel for small and medium boilers. Master's thesis (Bologna) , Sveučilište u Zagrebu, Fakultet strojarstva i brodogradnje, UNSPECIFIED. Mentor: Ljubas, Davor.
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Abstract (Croatian)
Rad se bavi analizom prikladnosti različitih vrsta ogrjevnog drva u obliku drvne sječke kao goriva za male i srednje kotlove. Analizira se ukupno devet vrsta ogrjevnog drva s područja Republike Hrvatske koja su ujedno i najzastupljenija na istom teritoriju. Kategorije u kojima se provode ispitivanja drvne sječke su redom: vlažnost, sadržaj pepela, gornja i donja ogrjevna vrijednost (u Laboratoriju za vodu, gorivo i mazivo Fakulteta strojarstva i brodogradnje) te sadržaj žive, taljivost pepela, sastav goriva i pepela, uključujući elemente u tragovima (u Centralnom kemijsko-tehnološkom laboratoriju Hrvatske elektroprivrede d.d.). Nakon određivanja svih vrijednosti u navedenim kategorijama odabrane su najznačajnije kategorije s gledišta pozitivnog, odnosno negativnog utjecaja na izgaranje u ložištima kotlova te je primijenjen prikladan sustav bodovanja s ciljem ocjene prikladnosti analizirane drvne sječke. Od analiziranih devet vrsta ogrjevnog drva, obična jela pokazala se kao najpovoljnije drvo za izgaranje u malim i srednjim kotlovima.
Abstract
This thesis deals with analysis of the suitability of different firewood species in the form of wood chips as a fuel for small and medium boilers. There is a total of nine most abundant firewood species from the territory of the Republic of Croatia that are being analysed through this thesis. Categories in which the given wood chips are being analysed are: wood humidity, ash content, gross and net calorific value (in Laboratory for water, fuel and lubricants of the Faculty of mechanical engineering and naval architecture) and mercury content, ash solubility, fuel composition and the composition of ash including the trace elements (in Central laboratory for chemical technology of the HEP Group). After the determination of all the listed categories, the most important categories from aspects of positive and negative impacts on combustion in boilers were chosen and suitable rating system was applied to achieve firewood ratings. After analysis of nine types of firewood, silver fir proved to be the best wood for combustion in small and medium-sized boilers.
| Item Type: | Thesis (Master's thesis (Bologna)) |
|---|---|
| Uncontrolled Keywords: | biomasa; drvna sječka; ogrjevna vrijednost; analiza prikladnosti |
| Keywords (Croatian): | biomass; wood chips; calorific value; analysis of suitability |
| Subjects: | TECHNICAL SCIENCE > Mechanical Engineering > process energy engineering |
| Divisions: | 500 Department of Energy, Power Engineering and Environment > 540 Chair of Water and Environmental Engineering |
| Date Deposited: | 14 Jan 2016 11:02 |
| Last Modified: | 02 Jan 2018 06:02 |
| URI: | http://repozitorij.fsb.hr/id/eprint/4980 |
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- Analiza prikladnosti različitih vrsta ogrjevnog drva u obliku drvne sječke kao goriva za male i srednje kotlove. (deposited 14 Jan 2016 11:02) [Currently Displayed]
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