LIST OF ACCEPTED PAPERS

List of accepted abstract for the Symposium

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  Marina Jovanović, Valentina Turanjanin, Vukman Bakić - Institut za nuklearne nauke VINČA, Laboratorija za termotehniku i energetiku, Bojan Bogdanović - PUC „Beogradske elektrane“, Savski nasip bb, 11070 Beograd, Srbija, Milada Pezo - Institut za nuklearne nauke VINČA, Laboratorija za termotehniku i energetiku

  » TECHNO ECONOMIC ANALYSIS FOR COMBINED HEAT ENERGY PRODUCTION SYSTEM ON HP CERAK LOCATION

  submitted by: MarinaJovanovic
  Abstract text

  In this paper analyzing possibilities of solar energy utilization for the purposes of hot water production in Heating Plant Cerak is performed. Heating plant ’’Cerak’’ is an integral part of PUC ’’Beogradske Elektrane’’ and it produces and delivers heat energy for heating and domestic hot water to customers in Belgrade municipalities of Cukarica and Rakovica. Basic fuel currently used in the plant is natural gas or fuel oil. According to the amount of heat necessary for water heating in the combined system from the boiler and collector and the amount of heat entering the boiler with the fuel (gas), simulation for the six months period (15 April-15 October) is done. Also, three cases when the part of produced heat energy in the combined system is obtained from the solar thermal system with a) Apricus type of collectors, b) NAU type of collectors and c) GJ type of collectors are shown. The pay out period has been calculated through sum of annual savings and their comparison to the total investment costs. Reduction in CO2 emission is calculated for summer operating mode (three operating mode: 62/45°C, 65/22°C, 60/40°C)
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  Nebojša Panjevac, Nikola Jevtović - IMP - Automatika, Beograd, Dragan Josipović - TE "Kostolac", Kostolac, Miroslav Crnčević - IMP - Automatika, Beograd

  » MODERNIZACIJA SISTEMA ZA NADZOR I UPRAVLJANJE BLOKA TE „KOSTOLAC“ B1 – 348,5 MW

  submitted by: NebojsaPanjevac
  Abstract text

  Prikazani su osnovni razlozi za modernizaciju, projektovana rešenja, obim izvedenih radova i isporučene opreme sistema za nadzor i upravljanje, koju je realizovao Institut „Mihajlo Pupin“ – Automatika, Beograd u periodu obavljenog kapitalnog remonta bloka TE „Kostolac “ B1 snage 348,5 MW.

  Abstract:

  The paper describes the main reasons for modernization, with details on design solutions, the scope of delivered equipment and executed works on reconstruction of Measurement and Control System of Unit B1 in Thermal Power Plant „Kostolac“, with installed power of 348,5 MW, which was done by Institute „Mihajlo Pupin“ during Major Overhaul of the Unit.
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  Vasilije Manovic and Edward J. Anthony - CANMET Energy Technology Centre-Ottawa (CETC-O), Natural Resources Canada

  » IMPROVEMENT OF CAO-BASED SORBENT PERFORMANCES FOR CO2 LOOPING CYCLES

  submitted by: VasilijeManovic
  Abstract text

  This paper presents research on CO2 capture by lime-based looping cycles. This is a new and promising technology that may help in mitigation of global warming and climate change caused primarily by the use of fossil fuels. The intensity of the anticipated changes urgently requires solutions such as the developing technologies for CO2 capture, especially those based on CaO looping cycles. This technology is at the pilot plant demonstration stage and there are still significant challenges that require solutions. The technology is based on a dual fluidized bed reactor which contains a carbonator—a unit for CO2 capture, and a calciner—a unit for CaO regeneration. The major technology components are well known from other technologies and easily applicable. However, even though CaO is a very good candidate as a solid CO2 carrier, its performance in a practical system still has significant limitations. Thus, research on CaO performance is critical and this paper discusses some of the more important problems and potential solutions that are being examined at CETC-O.
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  L. Jia, Y. Tan and E.J. Anthony - CANMET Energy Technology Centre-Ottawa (CETC-O), Natural Resources Canada

  » OXYFUEL COMBUSTION USING CFBC – RECENT CANADIAN WORK

  submitted by: BenAnthony
  Abstract text

  Oxyfuel FBC has been examined in a 100 kW pilot plant operating with flue gas cooling. This technology offers almost all of the advantages of air-fired FBC—emissions such as CO or NOx are lower or comparable to air firing, and it is possible to switch from air firing to oxy firing easily, with oxygen concentrations as high as 60-70% and flue gas recycle levels of 50-60%. Only sulphation is poorer, which is not in good agreement with other studies, and the reasons for this discrepancy need further exploration. However, longer tests have confirmed these findings with two coals and a petroleum coke. It also appears that changing from direct to indirect sulphation with the petroleum coke improves the sulphation, although a similar effect could not be confirmed with coal.
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  Branko Jevtic, Marko Babovic, Jelena Milosevic - JP EPS, Vojvode Stepe 412, 11000 Beograd, Srbija

  » COAL AS THE STRATEGIC ENERGY RESOURCE OF ELECTRIC POWER INDUSTRY OF SERBIA

  submitted by: MarkoBabovic
  Abstract text

  Significant part of installed capacities for electricity generation in Electric Power Industry of Serbia bases its operation on coal or domestic energy sources, still representing the support of the entire Serbian power system with its proven and perspective reserves. Installed capacities of coal fired thermal power plants is 3936 MW with average total annual generation of 23 400 GWh. Consequently, coal production of 32 million tons a year should be provided. Complex geological structure of EPS mining basins, physical – chemical characteristics, technological factor of lignite mining on one hand and the need of EPS thermal power capacities for stabile and continuous production of this energy source on the other hand, orient in strategic terms the need for best possible utilisation of lignite as well as efficient operation of thermal power capacities of Electric power industry of Serbia.

  UGALJ STRATEŠKI ENERGENT ELEKTROPRIVREDE SRBIJE

  Apstrakt: Značajan deo instalisanih kapaciteta za proizvodnju električne energije u Elektroprivredi Srbije svoj rad bazira na uglju kao domaćem energentu, koji svojim dokazanim i perspektivnim rezervama, i dalje predstavlja oslonac energetskog sistema Srbije. Instalisani kapacitet termoelektrana na ugalj je 3936 MW sa prosečnom ukupnom godišnjom proizvodnjom od 23 400 GWh/god za šta je potrebno obezbediti proizvodnju uglja od najmanje 32 mil. tona godišnje.

  Složena geološka građa ugljenih basena EPS-a, fizičko-hemijske karakteristike, tehnološki faktori eksploatacije lignita sa jedne strane i potreba termoenergetskih kapaciteta EPS-a sa stabilnom i kontinuiranom proizvodnjom ovog energenta sa druge strane, strateški opredeljuju potrebu za što boljim iskorišćenjem lignitskog resursa a time i efikasnijim radom termoenergetskih kapaciteta Elektroprivrede Srbije.
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  Simonović V., Stekić I. - Mašinski fakultet, Univerziteta u Beogradu

  » POTENTION OF THERMOENERGETIC SYSTEMS WITH BIOMASS AS FUEL IN SERBIA

  submitted by: istekic
  Abstract text

  In paper is showing energy potention in Serbia for produce thermal energy with energies systems which use biomass as input. Especialy partitipation are given on the tracking those systems which use rigid biomass from agriculture. This biomass was stand on after harversting of agriculture plants which are in the layout of plant rests. Trationaly, its is not enlisted totally or its is not enlisted suffice and on the exactly way. Intermediary all feedstock of energy plants, in this paper are shown mostly corn-shuck as well straw because the most of area in Serbia are under corn and wheat.

  POTENCIJAL TERMOENERGETSKIH SISTEMA SA BIOMASOM KAO GORIVOM U SRBIJI

  REZIME

  U radu su prikazani energetski potencijali Srbije u proizvodnji toplotne energije pomoću energetskih sistema koji kao ulaz koriste čvrstu biomasu. Posebna pažnja je posvećena opservaciji onih sistema koji koriste biomasu iz poljoprivrede. Ova biomasa nastaje po ubiranju poljoprivrednih kultura u vidu biljnih ostataka i tradicionalno se neiskorišćava u dovoljnoj meri ili ne na pravi način. Medju svim sirovinama energetskih postrojenja koja se dobijaju od biljnih ostataka najveća pažnja je posvećena kukurozovini i oklasku kao i slami, pošto je pod zasadima kukuruza odnosno pšenice najveći broj obradivih površina u Srbiji.
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  Stekić I., Simonović V. - Mašinski fakultet, Univerziteta u Beogradu

  » POTENTION AND ECONOMIC VALIDITY OF CONSTUCTIONING WIND PLANTS

  submitted by: istekic
  Abstract text

  This study has shown technical-technological potential in production of electric energy by energy systems that use wind energy. Observation of wind energy systems is managed with aspect of capital expenses, labor and maintenance, financial, production and external costs. Comparison of wind energy production costs with conventional is being shown, as like as future price tendencies. Despite deficiency of wind plants, world trends in production of electrical energy are towards theirs development, and economic validity was shown.

  MOGUĆNOST PRIMENE I EKONOMSKA OPRAVDANOST IZGRADNJE VETROELEKTRANA

  U radu su prikazani tehničko-tehnološki potencijali u proizvodnji električne energije pomoću energetskih sistema koji koriste energiju vetra. Izvedena je opservacija vetroelektrana sa aspekta investicionih troškova, troškova rada i održavanja, troškova finansiranja, proizvodnih i eksternih troškova. Prikazano je i poredjenje cena proizvodnje elekrične energije vetroelektrana sa konvencijalnim izvorima energije kao i buduće tendencije cena. I pored nedostataka vetroelektrana svetske tendencije u prioizvodnji električne energije usmerene su ka podsticaju njihovog razvoja, tako da je prikazana ekonomska opravdanost i isplativost.
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  Božo Kolonja, Dinko Knežević, Nikola Lilić - Rudarsko-geološki fakultet Univerziteta u Beogradu

  » KONCEPTUALNO REŠENJE PRIMENE DEPONIJA PRILIKOM HOMOGENIZACIJE UGLJA SA PK TAMNAVA

  submitted by: BozoKolonja
  Abstract text

  U radu je prikazan deo istraživanja na projektu nacionalnog programa energetske efikasnosti „ Implementacija sistema upravljanja kvalitetom uglja na površinskim kopovima Tamnava“ EE 21305 B koji RGF uradio u periodu 2007-2008 godina. koji se odnosi na mogućost primene deponija u procesu homogenizacije uglja na PK Tamnava.
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  Ranka Stanković, Božo Kolonja, Mirjana Jovanović, Olivera Kitanović, Dejan Stevanović - Rudarsko-geološki fakultet Univerziteta u Beogradu

  » DIGITAL RESOURCES FOR COAL QUALITY MANAGEMENT

  submitted by: BozoKolonja
  Abstract text

  The half of total coal reserves within Kolubara Coal Basin is of quality outside the boundaries optimal for combustion. Trough the introduction of the Coal Quality Management and Control Centre, problems cause by quality variations would be eliminated together with recovery problems caused by quality variations would be eliminated, and recovery of coal reserves increased. This paper discusses issues related to digital resources preparation for coal quality management. Geological database development, with is of paramount importance for geological modeling face, is briefly described, with some conclusion of statistical data analysis. Very important resources are survey data sets, such as digital terrain model, topology and situation maps and cartography with infrastructure and mining equipment. Short overview of geological model for Tamnava West Field, made in Minex, is given by 3D and 2D examples of structure model, together with seam modeling strategy. Description of the technological solution and conceptual information system design present our approach to coal quality management.
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  Dragoslava Stojiljković, Aleksandar Jovović, Vladimir Jovanović, Nebojša Manić - Mašinski fakultet, Univerziteta u Beogradu, Đorđina Milovanović, Sanja Petrović - Energoprojekt – ENTEL, Beograd, Mihajlo Gavrić, Zrinka Žbogar - JP Elektroprivreda Srbije

  » IZBOR OPTIMALNE OPCIJE TEHNIČKOG REŠENJA POSTROJENJA ZA ODSUMPORAVANJE DIMNIH GASOVA NA TE KOSTOLAC B

  submitted by: VladimirJovanovic
  Abstract text

  U skladu sa svojim opredeljenjem da rad svojih termoenergetskih objekata uskladi sa zahtevima regulative EU koja se odnosi na zaštitu životne sredine, Elektroprivreda Srbije je započela proces projektovanja postrojenja za smanjenje emisija sumpornih oksida. Prema zaključcima Studije “Pravci optimalnog smanjenja emisije sumpornih oksida iz termoelektrana Elektroprivrede Srbije“, TE Kostolac B je izabrana kao prva termoelektrana na kojoj je planirana izgradnja ovakvog postrojenja. U toku je izrada projektne dokumentacije za pobijanje dozvole za gradnju postrojenja za ODG i izradu tenderske dokumentacije za izbor konsultanta za realizaciju projekta do puštanja postrojenja u pogon. Na osnovu prethodno prihvaćenih analiza kao referentni postupak odsumporavanja definisan je vlažni krečnjak/gips postupak.

  Imajući u vidu da predviđeno postrojenje za odsumporavanje sa jedne strane predstavlja poseban sistem u okviru TE, a sa druge i deo elektrane kao celine, projektovanje ovog postrojenja mora uzeti u obzir sve zahteve koji se odnose na uklapanje ovog postrojenja u postojeće procese TE, kako bi se obezbedio njen nesmetani pogon u narednom periodu.

  U ovom radu prikazani su: (i) osnovni zahtevi koji predstavljaju ulazne parametre za projektovanje postrojenja za odsumporavanje, koji se odnose na zahtevani kvalitet sorbenta i vode, karakteristike dimnih gasova i zahtevani nivo odsumporavanja dimnih gasova; (ii) osnovne karakteristike glavnih sistema postrojenja za ODG; (iii) moguće opcije tehničkih rešenja postrojenja sa aspekta uklapanja u raspoloživi prostor i postojeće sisteme TE i (iv) predlog optimalnog rešenja postrojenja za ODG sa aspekta funkcionalnosti i pouzdanosti rada postrojenja, investicionih ulaganja i pogonskih troškova.