瓦锡兰主机RTflex资料之六（彩色）.ppt

1、1 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,6RTA58T-B,Introduction,2 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,6RTA58T-B,3 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Comparison RTAx8T-B engines,4 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Wrtsil low-speed engine

2、 portfolio,5 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Engine data RTA/RT-flex58T-D,6 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Engine dimensions RTA/RT-flex58T-D,7 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,RTA48T / T-B TT-B Engines in operation122 61 Engines on order 0

3、 92 RTA58T / T-B TT-Bflex Engines in operation74 1511 Engines on order 11 425 RTA68-B -Bflex Engines in operation 9 2 Engines on order 912 Status: November 2007,RTA/RT-flex-8T - Engines in Service,8 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,TriboPack,RTA/RT-flex-8TD - Piston running TriboP

4、ack,*) RTA68-D with PULSE Cyl. Lubrication on upper level only,9 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Combustion chamber Bore cooled components Piston Cylinder liner Cylinder cover Exhaust valve seat Exhaust valve spindle is made of Nimonic 80A Grey cast valve cage, water cooled Two l

5、evel cyl. lubrication Anti polishing ring,RTA/RT-flex-8TD - Combustion chamber,10 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,RTA/RT-flex-8TD - Piston rod gland box,Piston rod gland box Gland box can be dismantled up- and downwards,11 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,RTA/R

6、T-flex-8TD - Piston rod gland box,Piston rod gland box 2 highly efficient pre-scraper rings to remove dirt and remain with clean system oil 2 gastight sealing rings 6 highly efficient oil scraper rings with grey cast iron lips High contact pressure between oil scraper rings and hard piston rod Big o

7、il drain area to re-circulate system oil Quasi-zero leakage to neutral space System oil consumption expected less than 6kg per cylinder and day Running in RT-flex60C and RTA84CU,12 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,RTA/RT-flex-8TD - Crosshead,longer guide plate for improved guide s

8、hoe support at BDC Improved chamfering,13 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,RTA/RT-flex-8TD - Big end bearing,14 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,RTA/RT-flex-8TD - Main bearing,15 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Camshaft drive,Fuel pump / actu

9、ator pumps,16 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Fuel pump / Actuator pump,Safety cut-out device,Injection pump block,Intermediate piece,Excentric shaft, spill valves,Housing with camshaft bearings,Reversing servo motor, drw,Oil trough for pump housing,Fuel cam,Fuel cam,Actuator cam

10、,Camshaft section,Rollerguide actuator pump,Rollerguide fuelpump,17 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Fuel pump / Actuator pump,Excentric shaft, suction valves,Excentric shaft, spill valves,Coupling,Coupling,18 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Fuel pump / Actuato

11、r pump,Injection pump block,Delivery valve,Spill valve,Valve pushrod,Pump plunger,Regulating tappet,Control lever,Spill valve shaft,Cut out device for injection pump,Fuel cam,Oil trough, pump housing,Camshaft section,Housing with camshaft bearings,Roller,Rollerguide injection pump,Excentric shaft su

12、ction valves,Control lever,Regulating tappet,Drip shield,Intermediate housing,Valve pushrod,Suction valve,Relief valve,Safety cut out device,19 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Injection piping layout,20 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Function of fuel injectio

13、n pump,A fuel pump with valve control is a camshaft driven plunger pump, which fuel quantity to the injectors is controlled by valves. The suction valve controls the timing while the spill valve controls the quantity. To change the injected fuel amount, the spill valve or suction valve position is c

14、ontrolled by excentric shafts. The suction valve shaft is rotated by the VIT-Cylinder The spill valve shaft is rotated by the electric fuel pump actuator,Suction valve excentric shaft,Spill valve excentric shaft,VIT-Cyl.,Fuel pumps,LI transmitter,Actuator,Cam shaft,21 Wrtsil 15 August 2020 HHM RTA T

15、raining / A. Spicher,Working Principle of Fuel Pump,No delivery,Begin of delivery,End of delivery,22 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Function of fuel injection pump,23 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Function and Effect of SPCV,Function of SPCV,Effect of SPCV,

16、24 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Delivery Curve,25 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Reducing the power on individual Cylinders,Spill,26 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Working Principle of Fuel Pump,27 Wrtsil 15 August 2020 HHM RTA Trainin

17、g / A. Spicher,Working Principle of Fuel Pump,28 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Working Principle of Fuel Pump,Suction Valve Control Lever and Push Rod,29 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Working Principle of Fuel Pump,Spill Valve Control Lever and Push Rod,30

18、 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Working Principle of Fuel Pump,Suction Valve and Spill Valve closed - Injection,31 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Exhaust valve piping,32 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Exhaust valve piping,33 Wrtsil 15 Au

19、gust 2020 HHM RTA Training / A. Spicher,Exhaust valve / actuator pump,34 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Function of exhaust valve,Oil supply,Non return valve,Relief valve,Actuator piston,Valve drive piston,Air spring,Constant orifice,Actuator cam lifts the rollerguide and actuat

20、or piston,35 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units,Injection regulating linkage,Electrical fuelpump actuator,Control box, Local manoeuvering stand,Starting air distributor,Local manoeuvering stand,Pneumatic logic unit,Rotation direction safeguard,Reversing valve,Control a

21、ir supply,Valve unit, reversing interlock,VIT cylinder,36 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units,Instrument panel,Local manoeuvering stand,Pneumatic logic unit,Speed pick-ups,Reversing valve,Control air supply,Rotation direction safeguard,Starting air distributor,Load indi

22、cator transmitter,Speed indication drive,Revolution counter,37 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, start air distributor,Activates cyl. cover start valves acc. to firing order Adjustment see chapter “adjustments on engines” Pipe connections to start valves must corresp

23、ond to diagram on the right side Working principle diagram,38 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, rotation direction safeguard,Makes sure that injection is blocked when fuelpumps not in correct position (ahead / astern) 107.313.848 Function diagram 107.311.455 Drawing,

24、39 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, reversing valve,Enabling the crosshead oil supply to the reversing servo motors - reversing the fuel pumps to ahead or astern Activated by the pneumatic logic unit,Control air supply,Oil for reversing servo motors,40 Wrtsil 15 Aug

25、ust 2020 HHM RTA Training / A. Spicher,Control units, reversing interlock valve,Blocking of injection as long as reversing servo motor is not in proper end-position,41 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, VIT cylinder,42 Wrtsil 15 August 2020 HHM RTA Training / A. Spich

26、er,Control units, VIT cylinder,Rotating of suction valve shaft to change the injection begin timing Position command from RCS according to charge air pressure and speed dependent injection timing,43 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, pneumatic logic unit,Pressure swit

27、ch for “fuel 0 order” to remote control system when injection should be inhibited Emergency stop solenoid valve OR-valves,44 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, Local manoeuvering stand,45 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, Local manoeuv

28、ering stand,Local manoeuvering commands Local load indicator selection Remote activation of start, ahead, astern Control transfer switches (if one switch open, control take over from RCS not possible),46 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Control units, misc.,Revolution counter,Spee

29、d indication drive,47 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Differences RTA RT-flex,48 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Differences RTA to RT-flex engines,107.313.590 “Control units”,49 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Comparison RTA vs. RT-flex,50 Wrtsil 15 August 2020 HHM RTA Training / A. Spicher,Comparison RTA vs. RT-flex,DENI