vööritihend forward seal, inner seal äärikliide flange joint äärikvõll flange shaft aeglaste pööretega mootor low-speed engine alumine sunud punkt ASP bottom dead center BDC alusraam bedplate ankrupolt anchor bolt bensiin gasoline diislikütus diesel oil eelsoojendi preheater efektiivkasutegur effective efficiency efektiivvõimsus brake power, shaft power, output elektripump electric motor pump entalpia enthalpy entroopia entropy erimaht specific volume filter filter, strainer gaasiline töökeha gaseous working medium gaasitihedus gas tightness
because of high content of volatile ash in waste gases. Gases pass through centrifugal cyclones and then precipitators. Then flue gases are discharged into the atmosphere by induceddraught fans through chimney stack. In the deposites fall down they may constipate the ash sluicing system. The needed temperature of the drum is defined by the steam parameters. The air of the combustion is warmed in the 1 gradual air preheater. This process in used to increase the net work output. Arvutused Algandmed: Aurutootlikkus, Da 200 t/h Ülekuumendatud auru temperatuur, tü2 540 °C Ülekuumendatud auru rõhk, pü2 15 MPa
Oiliy water separator (DVZ Service- 2500 PC „OIL CHIEF“) 3. Automatic lub. Oil filter (BOLL&KIRCH Type: 6.61) 4. Lub. Oil cooler me (MAK) 5. Bilge/Ballast pump (Behrens Pumpen Type: VNF 5/300) 6. Air- Compressor x 2pc. (NK Type: 35.2.2.01.01) 7. Tank heating/ Domestic heater (P28-1P-L) 8. Hydrofore (BESI Armaturen 300l) 9. Standby lub. Oil pump ME (Behrens Pumpen Type: ZB IV/b) 9 10. Hydrofor pump x 2pc. (Behrens Pumpen Type: VKO 112 WW) 11. Preheater ME (V16-2P-L; 27 kW) 12. Solenoid valve unit (BESI Armaturen) 13. LT circulation pump (Behrens Pumpen Type: VNF 2/325) 14. Standby FW pump HT (Behrens Pumpen Type: VNF 2/325) 15. Preheating circulation pump (CR-4-20F) 16. Sewage treatment plant (DVZ- M50-20) 17. Freshwater generator (Alfa Laval Type: JWP-16-C40) 18. Sewage pimp- Freshwater generator (CNL 40-40/200) 19. MDO Separator (FOPX 605 TFD- 24/50) 20. GO Separator (FOPX 605 TFD- 24/50) 21. Lub.Oil Separator (LOPX 705 SFD-34/50) 22
settle out by gravity and be drained off. The fuel is then passed through the purification system and discharged to a service tank. Two centrifuges are required to be used in a large engine. The first acts as a purifier to remove water, soluble, sludge etc while the second acts as a clarifier to remove solids. From the service tank the oil flows to one of the electrically driven booster pumps. From there it is fed through the preheater, and the fine filter to the engine fuel pumps. LUBRICATING SYSTEM When two solids are in contact and move in relation to each other, there arises a resistance to this movement known as friction, i.e. a force is created which attempts to prevent such movement. The frictional resistance can be reduced considerably when a fluid layer is introduced between the two surfaces moving against each other. Correct lubricating of any engine is necessary for satisfactory operation, in that the
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