Hiersun Power Supply Marine Engine Propulsion System To Shipyard Client

 

 

 

Propulsion System Stem Arrangement

For marine propulsion system with engine accessories, control system, steering system, stem arrangement and ventilation blowers

complete for Light Aluminum Craft 2 Sets for each craft and thus 4 Sets are needed for 2 Crafts, The tenderer should consider the following:

1) 2 years warranty While storage.

2) Corrosion inhibition of the engine and propulsion system.  

3) Warranty for one year from the date of commissioning of the vessel.

4) Technical .training of buyer's technicians at manufacturer's factory for major overhauling of the engine and system, The tenderer should supply

(B)  Main Engine: all under mentioned scope of supply in one package, deal. Scope

 of supply is to include all the items even if not mention in the specification so as to tender the whole system complete arid ready for installation.

1. a)        Indirect cooling system

2. b)        Heat exchanger and expansion tanks.

3. c)        Fresh water pump.    

4. d)       Fresh water pump for emergency cooling.   

5. e)        Raw water pump.

6. f)         Raw water pump for emergency cooling.

7. g)        Flexible hoses with clips, 

8. h)        Main sea chest .valves and piping system, for simultaneous use of both main engines,

9. i)          Sea water strainers

10. j)          Corrosion prevention arrangement.

11. k)        Lubricating system

12. l)          Forced feed lubrication of engine and piston cooling by means of engine, driven lubrication oil pump.

13. m)      Oil pan on engine.

14. n)        Lub. oil cooler on engine ,

15. o)        Engine mounted lub. oil duplex filter (change-over type), Pre lub. oil hand pump.

16. p)        Lub. oil centrifuge in auxiliary circuit.

17. q)        Necessary filters with spare elements.

18. r)         Fuel System .

The complete system for safe working of the engines-

(aa) Engine mounted fuelduplex filter, change-over type.

(bb) Piping and valves for Fuel supply lines, Necessary filters with spare elements Speed and load control

 (4) Hydraulic speed governor on engine suitable for variable speed operation

(bb) Fuel rack position device, rack positioning manual shut

down devices

intake Air System

(aa Intake air manifold on engine.

(bb) Charge air cooler on engine

 

E-xhaust System

E-xhaust gas manifold on engine, uncooled but insulated,.

Exhaust gas turbocharger on engine.

Water cool exhaust with water injection ring and connecting flanges for installation on aluminum hull for side exhaust. Exhaust pipes, pipes joint, sufficient. quantity of insulation material for insulation for the exhaust pipe

(1)non-reversible Marine Engine, 4 stroke, water cooled Turbocharged,

. intercooled, indirect cooling, V configuration diesel engine of continuous output power about 900 RHP MCR at 42 ℃ Ambient temperature, 90% humidity and at 25 deg C seawater temperature. The speed of the vessel at standard displacement i.e 45 tons (approx.) shall be not less than 22 knots. If NECESSARY to approve the speed, the supplier shall carry out towing tank test, Required Engine Power estimation can be checked by the supplier on the basis of the proposed hull form and General Arrangement plan. If necessary, alteration of lines might be advised

 

(2) Starting System

Electric Starting system consisting of:

(aa) Gear rim flywheel,     _

bb  Engine mounted starting motor, 24V. 2 poles.

Cc   Engine mounted Dynamo for charging batteries.

Dd Wiring for starter motor and dynamo.

Ee   24V DC Lead acid batteries complete with starting cables.

 

(3) Cooling system

All necessary pipes, pipe fittings. Expansion (Flexible Joint) and valves for engine system (Engine cooling. Fuel, etc.) shall he supplied by the tenderer.

Monitoring and control system

 All necessary Ship Wiring Control cables are supplied by the tenderer.

Safety shutdown by Solenoid

 

Actuated at low lub oil pressure

Overspeed.

Crankcase overpressure

Output Shaft arrangement

flywheel

flexible coupling.

 Piping: and Valves

 

 Mounting of main engine and gear box

The- main engines and gear boxes will be supplied with mounting feet which are suitable for mounting on the girders (seating) by the chock fasting method. The chock fasting of engines and gears will he carried out by the engine supplier as part of the commissioning of the propulsion system. Chock fast shall be supplied by tenderer in appropriate time trams before shafting alignment. Initial filling of required oils for engines and gearboxes must also be supplied by the tenderer.

 

For each engine, instrument panel for wheelhouse as specified and maker's standard:

aa)  Engine tachometer,

bb) Shaft tachometer..

cc) lub oil pressure gauge

dd) 2X exhaust gas temperature gauge after turbocharger

ee) cooling water temperature gague.

ff)  lub oil temperature gauge

gg) start-stop push botton

hh) engine speed control and clutch control

ii) Group alarm panel

 

Alarm panel for installation in wheel house for the following:

aa) Main engine

bb) low level alarm of fuel daily tanks

 

4) Engine telegraph

      

 For wheel house, indicator lamp type for (ahead, standby, dead slow, slow, half, full indication, with call bell and failure indicator, 24V, DC system, complete with spare bulbs,     

D) Stern arrangement

Complete stern arrangement with careful material and strength, selection compactible fot Aluminum hull, consisting of Hydraulic marine reverse reduction gearbox, shaft struts., Coupling 'flanges & bolts, Propeller nuts, fixed pitch propeller, cap nuts, Stuffing boxes complete with gland, water lubricated Cutlass bearing, Shaft bracket boss, etc.

 If you have similar project undergoing Please contact us for a proposal.