广柴8320船用柴油机供货技术条件详解.docx

1、广柴8320船用柴油机供货技术条件详解Delivery Technical ConditionsFor Model 8320ZCd-8 Marine Diesel Engine8320-JH115H-01Guangzhou Diesel Engine Factorycontents1 In General 2 Specifications and Main Technical Parameters 3 Technical Conditions and Notes4 Delivery Scope 5 Packing 6 Factory Warranty 1 In General 1.1 This

2、 delivery conditions specify the main specifications, technical conditions, delivery scope, packing, factory warranty, spare parts, etc. for the 8320ZCd-8 diesel engine.1.2 When ex-factory, the engines shall be in accordance with the technical requirements stipulated in this delivery conditions.1.3

3、For the details of the fitting data and the ex-factory test records, see the Technical Certificate.1.4 For the particular requirements from users, such as to take out the output power from the front end of the engine, to modify the dimensions of connecting the flywheel with the coupling, to use Geis

4、linger flexible coupling, to install the remote control device, etc, they must be stipulated in the delivery contract.1.5 The torsional calculation must be carried out when projecting the propulsion plant in order to satisfy the requirement of safety and operation. If the front end output shaft is a

5、pplied, the equivalent system for the torsional calculation shall add relative mass points to ensure the accuracy of calculation.1.6 When the engine is used as the main propulsion plant with ahead & astern clutch gearbox, it is not permitted to engage the clutch gearbox with the engine at minimum id

6、ling speed to avoid the engine stops automatically due to the sharp reduction of the speed. The speed for pre-engagement shall be decided according to the requirements for equipments of the shaft system. The recommended speed for pre-engagement is 5560% of the rated speed of the engine.1.7 The suppl

7、ier of the remote system must set suitable pre-engagement speed function fully considering the requirement for control system from the engine and ahead & astern clutch gearbox to ensure the engine can operate normally during the operation of engagement and direction change.1.8 In case that the equip

8、ment item and its quantity supplied by the factory differ from the same shown in this technical conditions document, the delivery contract will prevail. 1.9 Guangzhou Diesel Engine Factory holds the right to replace the parts or components listed in this Scope of Delivery with the ones of the same p

9、erformance or the better when it is necessary.2 Specifications and Main Technical ParametersModel of diesel engine 8320ZCd-8Type Four stroke, inline, water cooled, directly injected, turbocharged, irreversible marine main diesel engine with an intercooler.No. of cylinders 8Cylinder bore mm320Piston

10、stroke mm440Rated output kw2206Rated speed r/min525Overload rating (1hour) kw2426.6Speed at overload operation r/min542Displacement of pistonL282.9Specific fuel oil consumption g/kW.h189Specific lube oil consumption g/kW.h1.2Specific air consumptionKg/s5.0 Minimum idling speedr/min210Compression rat

11、io 13:1Mean piston speed M/s7.7Mean effective pressure MPa1.782Maximum combustion pressure MPa13.5Cylinder exhaust temperature (diesel oil)450Cylinder exhaust temperature (HFO)430Model of turbochargerVTR304-11Supercharing type Pulse supercharging with inter-coolingSupercharge pressure MPa0.310.02Lon

12、g term allowable speed of the turbochargerr/min24000Max. allowable speed of the turbochargerr/min27000Max. operating temperature of turbine640Exhaust gas counter pressureMPa0.00294Model of air coolerKLQ153HCooling areaM2153Temperature of inlet water of air cooler32Cooling typeClosed Speed of sea wat

13、er pumprpm2352Speed of fresh water pumprpm2352Displacement of sea water pumpM3/h120Displacement of fresh water pumpM3/h100Lift of sea water pumpm18Lift of fresh water pumpm18Fresh water temperature at engine inlet60 to 70Fresh water temperature at engine outlet85Model of fresh water coolerBLG30.50BC

14、ooling area of fresh water coolerM230Model of fresh water temperature regulatorLZFT100GII2 (60 to 75)Brand of lube oil 40CD lube oil for the engine operated on diesel oil4030 highly basic lube oil for the engine operated on HFOForm of lubrication Pressure lubricating and splash lubricatingLube oil p

15、ressure MPa0.45 to 0.55Lube oil pressure for camshaftMPa0.1 to 0.3Lube oil pressure pump typeGear typeSpeed of lube oil pumprpm1547Displacement of lube oil pressure pumpM3/h56Lube oil suction pumpProvided by the userModel of Lube oil fine filter SBL125B I T (264mesh/inch)Lube oil temperature at engi

16、ne inlet50 to 65Lube oil temperature at engine outlet65 to 80Model of lube oil coolerBLG45.55ACooling area of lube oil coolerM245Model of lube oil temperature regulatorLZFT80GII2 (55 to 70)Brand of fuel oil0# diesel oil GB252-1994180cSt/50 HFOFuel supply advance angle 13+3 before T.D.CBore of the pl

17、ungermm26Stroke of the plungermm19.75Specification of nozzle 90.45R130Opening pressure for fuel injectorMPa30Fuel fine filter typeSBL40II TFilter net mesh of fuel fine filter400 mesh/inchFuel strainer typeSBL40II TFilter net mesh of fuel fine filter202 mesh/inchFuel oil pressure at fuel injection pu

18、mp inletMPa0.1 to 0.15 for diesel oil0.4 to 0.5 for HFOFuel oil viscosity at fuel injection pump inletcSt12 to 14 for HFOGovernor model YT111VGGovernor type Mechanical-hydraulic typeRate of speed fluctuation 1.5% when n50%ne2% when n50%neInstantaneous speed regulation10%Permanent speed regulation5%S

19、tarting type By compressed airStarting air bottle pressureMPa2.94Capacity of starting air bottleL3002Min. starting pressure MPa0.9Firing order 1-4-7-6-8-5-2-3Inlet valve opening70before T.D.CInlet valve closing45after B.D.CExhaust valve opening55before B.D.CExhaust valve closing50after T.D.CRotation

20、 direction (viewed on the flywheel)ClockwiseOverall dimension(LWH)mm601018533480Height above the axis of the crankshaftmm2675Depth below the axis of the crankshaftmm705Min. height above the axis of the crankshaft for dismantling or assembling piston and connecting rodmm2750Net weight of the enginekg

21、30000Alarm at lube oil pressure low MPa0.20Shut-down of the engine at lube oil pressure too lowMPa0.12Alarm at lube oil temperature high75Alarm at fresh water temperature high85Alarm for the fuel leakage of high pressure fuel oil pipeHigh levelOver-speed limiter typeCentrifugal, hydraulic typeAction

22、 speed of over-speed limiterrpm588 to 6043 Technical Conditions and NotesThe reference conditions for the continuous output power, speed and SFOC, according to the standard of CB/T3254.1 -94, are as follows:Atmospheric pressure：P00.1MPa；Ambient temperature：T0298 K(25)；Relative humidity：030； Cooling

23、water temperature before charging air cooler：TC025。3.2 The SFOC of the engine is based on the fuel oil low caloric value of 42700kJ/kg.3.3 The reference conditions for the unrestricted navigation area engine according to 2001(CCS) are as follows: Absolute atmospheric pressure：PX0.1MPa； Ambient tempe

24、rature：TX318K (45)； Relative humidity：X60; Cooling water temperature before charging air cooler：Tcx=305K(32)Under the reference conditions said above, the power of the engine is 2206kW with the engine speed of 525 r/min and the exhaust temperature at the outlet of each cylinder450.3.4 The overload r

25、ating (1hour) is referred as 110% of rated output providing that the engine is operated for one hour every 12 hours.3.5 When the engine is operated at the continuous output power, the difference between the following operating parameters in cylinders shall not be more than the following stipulated v

26、alue: The compressed air pressure： 2.5 Max. combustion pressure： 4.0 Exhaust temperature at the outlet of cylinder： 5.03.6 The engine under the cool status with the ambient temperature not less than 5 shall be started up within 10 seconds.3.7 The air bottle with its air pressure of 2.94MPa can be us

27、ed for starting the engine for more than 6 times without filling up the air bottle with air.3.8 The engine is allowed to be operated at the load of less than 20% of rated output for a short time when the turbocharger fails to operate due to its default. But at that time, the cover of the air inlet c

28、hamber should be removed.3.9 It shall be allowed that the engine is to be operated at the load of not more than 50% of rated output for a short time when one of the cylinders is out of firing. 3.10 Users shall take the torsional calculation for the shafting with torsional calculation data of the eng

29、ine from GDF and the calculating result shall agree to the requirement of CCS. GDF can do that for the user with extra charge.3.11 The cost for packing and CCS inspection will be extra charged.4 Scope of Delivery:4.1. The attachments installed on the model 8320ZCd-8 diesel engineNo.DRG./No.Descripti

30、onQtyRemark1VTR304-11Turbocharger12YT111GVHydraulic governor13Type SZMB-2GTachogenerator24SBL40TFuel fine filter1400 mesh/inch5320.27.00Over-speed trip device168320.71E.00BLube oil pump1Q56m3/h7YI320-601A-00Fresh water pump1Q=100m3/h 8KLQ153HAir cooler1GEA98320.130.00BAll the flanges and joints for connecting external pipes to the engine110YI320-602-00Sea water pump1Q=120m3/h11320.23.00Oil quality limiter 112320.