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The economizers are used for production of steam heating on en route ships. The economizers are producing steam in a heat exchange process from the ship's main engine exhaust gas. Products of the incomplete combustion of the heavy fuel oil remaining in engines, passing the boiler, collect on the heat exchange surface of the economizer. When the incorrect assumptions are made for the boiler operation conditions, the boiler steam capacity drops and fire and burning of the incomplete combustion products can occur in the economizer. To minimize combustion product quantity that collects on the boiler surface, the allowable exhaust gas pressure drop in the boiler should be taken into consideration, as well as the results from recommended exhaust gas flow velocity that is determined by main engine service load determined in the preliminary design phase of the ship. The remaining operating conditions are made in such a way to obtain high steam capacity of the boiler. It is essential at the design stage to take into consideration the future operating parameters of the combustion-steam-water installation, since these parameters depend on the choice of boiler and determined at the design stage production of steam. On the basis of operation parameters of contemporary container ships, an attempt was made to select economizer capacity in the preliminary design stage taking into consideration operation conditions of the propulsion system-steam installations unit in aspect of economizer reliability.
Wydawca
Czasopismo
Rocznik
Tom
Strony
63--68
Opis fizyczny
Bibliogr. 18 poz., rys.
Twórcy
autor
autor
- Gdynia Maritime University Faculty of Marine Engineering Morska Street 83-87, 81-225 Gdynia, Poland
Bibliografia
- [1] Grzywaczewski, Z., Niezawodność statku transportowego w świetle awaryjności w polskiej marynarce handlowej, WIM, Gdańsk-Szczecin 1971.
- [2] Foki, J., G., Niezawodność eksploatacyjna urządzeń technicznych, WMON, Warszawa 1973.
- [3] Grzesiak, K., Niezawodność urządzeń elektronicznych, PWN, Warszawa 1965.
- [4] Grzywaczewski, Z., Niezawodność statków, WPM Wema, Warszawa 1988.
- [5] Czajgucki, J., Z., Niezawodność spalinowych siłowni okrętowych, Wydawnictwo Morskie, Gdańsk 1984.
- [6] Centrum Techniki Okrętowej w Gdańsku, baza danych Polship http://polship.cto.gda.pl oraz Intership http://intership.cto.gda.pl:8080/.
- [7] Dokumentacja techniczna statków Grupy Stocznia Gdynia SA: 8125-PK/0050-001, PT8138/12, 8184-PK/0680-001, PT8184/6, 818415-PK/0050-001, 8229-PK/0050-001, 8234-PK /0050-001X1, 8276-PK/0050-001.
- [8] Hansa, International Maritime Journal-142, No.11, Jahrgang 2005; No. 9, Jahrgang 2006.
- [9] Safety at Sea International, Vol. 40, No. 453, November 2006.
- [10] Schiff und Haffen, Journal, No. 01-03 2006, 05, 06 2006, 08-12 2006, 01-03 2007.
- [11] Significant Ships 2000, 2001, 2003-2006.
- [12] Charchalis, A., Krefft, J., Electric power of contemporary container vessels in a preliminary stage, Journal of KONES Powertrain and Transport, Vol. 16, No. 3, Warsaw 2009.
- [13] Charchalis, A., Krefft, J., Development trends in contemporary container vessels designs, Journal of KONES Powertrain and transport, Vol. 15, No. 4, Warsaw 2008.
- [14] Soot deposits and fires in exhaust gas boiler, Man B&W Diesel A/S, Denmark, April 2004.
- [15] S90ME-C Project Guide, Electronically controlled two stroke engines, 2nd edition, Man B&W Diesel A/S, January 2005, Denmark.
- [16] Revised MARPOL Annex VI, Marine Environment Protection Committee (MEPC) - 58th session, October 2008.
- [17] Wojnowski, W., Okrętowe siłownie spalinowe część II, Gdańsk 1992.
- [18] Marine propulsion and auxiliary machinery, the Journal of ship’s engineering systems, Vol. 31, Is. 1, Man Diesel SE, February/March 2009.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ5-0039-0008