LRD/ © MAN B&W Diesel< 1 >< 1 >. K98ME/-C. - презентация

1 LRD/ © MAN B&W Diesel< 1 >< 1 >. K98ME/-C

2 MAN B&W Diesel © MAN B&W Diesel< 2 >< 2 > ME Engine Programme

3 MAN B&W Diesel © MAN B&W Diesel< 3 >< 3 > 12K98ME

4 MAN B&W Diesel © MAN B&W Diesel< 4 >< 4 > Advantages of ME Engines Better engine balance with equalized thermal load in and between cylinders Monitoring and diagnostics of engine for longer time between overhauls Lower rpm possible for manoeuvring Better acceleration, astern and crash stop performance Integrated Alpha Cylinder Lubricators Up-gradable based on software development Lower SFOC (specific fuel oil consumption), SLOC(specific lub. oil consumption) and better performance parameters at any load Appropriate fuel injection pressure and rate shaping at any load Improved emission characteristics, with lower NOx and no smoke Easy change of operating mode Simplicity of mechanical system

5 MAN B&W Diesel © MAN B&W Diesel< 5 >< 5 > The ME engine with fully integrated control of: Starting air valves Start and reversing sequences Governor function Auxiliary blowers Electronically profiled injection control Exhaust valve actuation Cylinder oil feed rate Electronically Controlled Engines

6 MAN B&W Diesel © MAN B&W Diesel Hydraulic Oil Loop Fuel 10 bar Hydraulic cylinder unit Alpha lubricator Servo oil return to sump Fine aut. filter Piston cooling + bearings From sump Main lube pump Safety and accumulator block EL. driven hydraulic pumps Engine-driven hydraulic pumps Servo oil Double Wall Pipe FIVA Cyl. 1 Cyl. 2 Cyl. 3Cyl. 4 Cyl. 5 Cyl. 6CCU 200 bar

7 MAN B&W Diesel © MAN B&W Diesel< 7 >< 7 > Lube oil inlet to engine Return oil to bedplate Back-flushing oil Step-up gear Drain Bypass filter Mainfilter Engine driven pumps Electrically driven start-up pumps Safety and accumulator unit Hydraulic Power Supply (HPS) Hydraulic System on the ME Engine

8 MAN B&W Diesel © MAN B&W Diesel< 8 >< 8 > Control Valve Fuel Injection & Exhaust Activation Valve (FIVA)

9 MAN B&W Diesel © MAN B&W Diesel< 9 >< 9 > ME Fuel Injection System To drain Membrane accumulator Fuel oil inlet 8 bar Suction valve FIVA valve Slide fuel valve Hydraulic piston High pressure pipe High pressure hydraulic oil – inlet

10 MAN B&W Diesel © MAN B&W Diesel S50ME-C Exhaust Valve System FIVA valve Exhaust valve actuator Exhaust valve To drain High pressure hydraulic oil – inlet Membrane accumulator Membrane accumulator Hydraulic push rod

11 MAN B&W Diesel © MAN B&W Diesel Exhaust Valve Actuator Mounted on top of the distributor block. Hydraulic push rod for opening/closing the exhaust valve Two-stage piston. Second stage First stage High pressure oil inlet Mounted on top of the distributor block. Hydraulic push rod for opening/closing the exhaust valve Two-stage piston. Second stage First stage High pressure oil inlet

12 MAN B&W Diesel © MAN B&W Diesel FIVA valve The system provides: Pressure, timing, rate shaping, main, pre- & post-injection 200 bar hydraulic oil. Common with exhaust valve actuator Low pressure fuel supply Fuel return Position sensor Measuring and limiting device. Pressure booster ( bar) Injection FIVA valve

13 MAN B&W Diesel © MAN B&W Diesel 7S50ME-C – 75% Load Mode Change Demonstration

14 MAN B&W Diesel © MAN B&W Diesel The ME Engine Exhaust Valve Timing

15 MAN B&W Diesel © MAN B&W Diesel MC-C and ME-C P-max and P-comp Load in % P-max and P-comp in bar P-max MC-C P-max economy P-max ME-C low NO x P-comp MC-C P-comp ME-C economy P-comp ME-C low NO x

16 MAN B&W Diesel © MAN B&W Diesel MC-C and ME-C NO x Load in % Relative NO x in% MC-C ME-C economy ME-C low NO x

17 MAN B&W Diesel © MAN B&W Diesel MC-C and ME-C Relative SFOC Load in % Relative SFOC in % MC-C ME-C economy ME-C low NO x

18 MAN B&W Diesel © MAN B&W Diesel The ME Engine Alpha Lubricator System Multi Purpose Controller Hydraulic cylinder unit Cylinder oil service tank Lube oil pipes Electrical connections Multi Purpose Controller Hydraulic cylinder unit Cylinder liner Cylinder liner Lubricator 200 bar system oil To other cylinders Solenoid valve Feedback sensor Lubricator Solenoid valve Feedback sensor Level sensor TankHeater

19 MAN B&W Diesel © MAN B&W Diesel The ME Engine Alpha Cylinder Lubricator L/ /0804(2200/OZS) Spacer for basic setting of pump stroke Stroke adjusting screw Cylinder lube oil inlet 200 bar servo oil supply Signal for lubrication from controller Inductive proximity switch for feed-back signal for control of piston movement Injection plungers Actuator piston Drain oil outlet Outlets for cylinder liner lube oil injectors Saves cylinder lube oil

20 MAN B&W Diesel © MAN B&W Diesel Double Wall Pipe 1.Flange 2.Outer Pipe 3.Inner Pipe 4.Sealing ring 5. Sealing ring 6. Sealing ring 7. Sealing ring 8. Screw

21 MAN B&W Diesel © MAN B&W Diesel Pump station Main Driven pumps(500 ccm) Aft side Fore side

22 MAN B&W Diesel © MAN B&W Diesel Pump arrangement Safty shafts Step-up gear

23 MAN B&W Diesel © MAN B&W Diesel Main driven Pump Safety Shaft Pump end Gear end High friction disc

24 MAN B&W Diesel © MAN B&W Diesel ECS System

25 MAN B&W Diesel © MAN B&W Diesel Local Operating Panel (LOP) The Local Operating Panel is located on the middle gallery on the manoeuvring side. Local Operating Panel Local Instrument Panel

26 MAN B&W Diesel © MAN B&W Diesel Main Operating Panel - HMI Inspection onboard Bow Cecil after 4137 running hours as ME engine Main Operating Panel in ECR - HMI

27 MAN B&W Diesel © MAN B&W Diesel Main Operating Panel

28 MAN B&W Diesel © MAN B&W Diesel Balancing of the engines Pmax, Pcomp and MIP at test trial have proven to be very accurate compared to a MC engine. Adjustment of Pmax & MIP Main Operating Panel

29 MAN B&W Diesel © MAN B&W Diesel Alpha Lubricator System for ME MOP: Graphic picture for Alpha Lubricator System

30 MAN B&W Diesel © MAN B&W Diesel Tacho-system Angle Encoder

31 MAN B&W Diesel © MAN B&W Diesel Tacho-system Angle Encoder Incremental Encoder Compensator

32 MAN B&W Diesel © MAN B&W Diesel The ME Engine Starting Air System MC design ME design Starting valves Starting air NC-valves Pilot air inlet Blow-off Connection for ECS distributor The NC valve is mounted on the main starting pipe behind the cylinder cover