SC4475-946-02SY轮机系泊试验大纲(英文)

目录1GENERAL (3)2MAIN ENGINE AND SHAFTING (3)3DIESEL GENERATOR SETS (4)4EMERGENCY GENERATOR SET (6)5COMPO. BOILER (7)6AIR COMPRESSORS AND AIR RESERVOIRS (8)7 F.O. PURIFIERS AND L.O. PURIFIERS (10)8M/E , G/E BOOST UNIT (10)9L.O. AUTO FILTER (10)10SEWAGE TREATMENT UNIT (10)11INCINERATOR (11)12QUICK CLOSING VALVE (11)13BILGE AND BALLAST SYSTEM (12)14WORKSHOP EQUIPMENT (12)15E/R CRANE (13)16AUTO. STAND-BY OF PUMPS (13)17TEST OF TEMPERATURE CONTROL VALVES (14)18TEST OF ALARM DEVICE FOR VARIOUS TANKS (14)19TEST OF PIPING SYSTEM (16)20CO2 FIRE EXTINGUISHING SYSTEM (17)21REMOTE GAUGING SYSTEM (17)22MECHANICAL VENTILATION SYSTEM (INCLUDING E/R & CABIN) (18)23TEST REGULATIONS FOR REFRIGERATING SYSTEM (18)24TEST REGULATIONS FOR AIR CONDITIONING SYSTEM (21)25M/E MANEUVERING TEST (23)Record following relevant data, and measure one time in the load condition of 25%, 50%, 75% and 110%, measure two times in the load condition of 100%:(1)Revolution speed and output power of gen. set.(2)Temperature: cooling water temperature, lub. oil temperature and exhaust gastemperature.(3)Pressure: cooling water pressure, lub. oil pressure and max fire pressure.3.4Test of governor3.4.1Rated load is suddenly thrown off 50%. throw off 0% of the rated loadsuddenly after an interval sufficient to restore the speed to steady state(100%→50%→0%). Measure momentary speed, steady speed, and restoringtime.3.4.2Throw on 35% of the rated load suddenly, then 50% load is suddenly thrownon after an interval sufficient to restore the speed to steady state , same as theway , finally to 100% load (0%→35%→50%→75%→100%). Measuremomentary speed, steady speed, and restoring time.3.4.3The requirements as following:Momentary speed variation ≤10%Permanent speed variation ≤5%Restoring time ≤5 sec.Note:Momentary speed variation = | (n2-n1)/n R |×100%Permanent speed variation = | (n3-n1)/n R |×100%Restoring time: an interval which is needed for speed fluctuation ratio toreturn to within ±1% of the final steady state speed;n1The engine speed before sudden load throwing (on or off) (r/min);n2The momentary maximum or minimum engine speed after suddenload-throwing (r/min);n3The speed in steady state after sudden load throwing (r/min);n R The rated speed of engine (r/min)The mentioned test above to be carried according to GL’s requirements and recorded.3.5InspectionStop the G/E immediately after the load test and the governor test, check thetemperature rising condition, and measure the engine’s crankshaft deflection in hotcondition.( selective examination)6.5Test the safety protection of main air compressors (lub. Oil pressure low and airtemperature high shut down).6.6Check low pressure alarm of main air reservoir、aux. air reservoir、working airreservoir and quick closing valves controlled air reservoir.6.7Measure insulation resistance (hot and cold condition), starting current and workingcurrent of motor.7 F.O. purifiers and L.O. purifiers7.1The F.O. purifiers, D.O. purifier, L.O. purifier shall be operated separately for 30minutes. Observe the running situation of separators and its accessories.7.2The functions of purifiers & the control unit should be checked.7.3Check the alarm function of purifiers.7.4Measure working voltage, starting current and working current of motor.7.5Measure insulation resistance (hot and cold condition).8M/E , G/E boost unit8.1The feeder pumps and circulation pumps run lasting 30 minutes. Observe the runningsituation of pumps and accessories.8.2Do HFO/MDO change over test, and check the indication in ECR.8.3Do auto control and alarm function test for boost unit.(1) auto start / stop test for stand by pump(2) diff. pressure alarm for auto filter(3) mixing tank high/low level alarm(4) F.O. high viscosity alarm8.4Do running test for boost unit9L.O. auto filter9.1Do function test for diff. pressure high alarm.9.2Do running test and failure alarm test for L.O. auto filter.10Sewage treatment unitThe operation test shall be carried out and the following item are to be checked without record.19.6Stern tube L.O. systemWater tight test of stern tube should be carried out before launching.19.7Steam & condensating piping systemCheck the completeness of the steam pipe & the condensation pipe; check the heatingeffect of the oil tanks & the calorifier; check the fluidity of the water in condensationpipe.19.8Water supply system19.8.1Feed water into the Fresh water pressure tank about 2/3 level by daily freshwater. pump. Then fill the Fresh water pressure tank with air to workingcondition.19.8.2Inspect the working condition of UV sterilizing plant.19.8.3The steam-heat and electric-heat test of the hot water calorifier should to becarried out.19.8.4Running the F.W. transfer pump and hot water circulating pump, check thefluency of the pipes.19.8.5Function test of the pumps should to be carried out for half an hour each.Check the water supplying state in whole ship, and measure insulationresistance of pump motors.19.9Drain & deck scupper piping system19.9.1Fill the water closets and urinals. When the control valve is being changedover to overboard, the water should be discharge overboard from the soilpiping system. When the control valve is being changed over to sewagetreatment unit, the water should be discharge to sewage treatment unit.19.9.2Fill the drain holes in each compartment with water. The water should befluently discharged overboard.19.10Heeling pump systemTest the function of heeling pump system and record the relevant data.20CO2 Fire Extinguishing System20.1CO2 extinguishing system20.1.1Supply compressed air (0.7MPa) to each nozzle in E/R, and check the fluidity.20.1.2When the cover of “remote discharge cabinet” is to be opene d, the alarmshould be on function, and the E/R fans should be stopped.21Remote Gauging SystemFunctional test of remote gauging system should be carried out for the following tanks.No.1 H.F.O. tank (P) Fore peak tank Aft peak tankNo.1 H.F.O. tank (S) No.1B.W.B. tank(P) No.1T.W.B. tank (P)No.2 H.F.O. tank (P) No.1B.W.B. tank(S) No.1T.W.B. tank (S)No.2 H.F.O. tank (S) No.2B.W.B. tank(P) No.2T.W.B. tank (P)No.3 H.F.O. tank (P) No.2B.W.B. tank(S) No.2T.W.B. tank (S)No.3 low sulfur H.F.O. tankNo.3B.W.B. tank(P) No.3T.W.B. tank (P)(S)Low sulfur H.F.O. service tank No.3B.W.B. tank(S) No.3T.W.B. tank (S)H.F.O. service tank No.4B.W.B. tank(P) No.4T.W.B. tank (P)H.F.O. settling tank No.4B.W.B. tank(S) No.4T.W.B. tank (S)No.5B.W.B. tank (P) No.5T.W.B. tank (P)Low sulfur H.F.O. settlingtankF.O. overflow tank No.5B.W.B. tank (S) No.5T.W.B. tank (S)F.O. drain tank No.6B.W.B. tank (P) WASHING FW TK/ W.B. tank (P) M.D.O. tank No.6B.W.B. tank (S) SLOP TK/ W.B. tank (S)M.D.O. settling tank No.7B.W.B. tank (P) Fresh water tank(P)M.D.O. service tank No.7B.W.B. tank (S) Fresh water tank(S)Distil. water tank Draft fore Draft middle(P)Draft middle(S) Draft aft22Mechanical Ventilation System (Including E/R & cabin)22.1Test method22.1.1Make the fans run for half an hour each.22.1.2Test of reverse control for reversible fans to be carried out twice.22.1.3Function test of stopping E/R fans remotely outside the E/R to be carried out.22.1.4Test of remotely detecting and manually operating & closing fire dampers andfunnel dampers to be carried out.22.1.5Measure voltage, current and insulation resistance etc. of electric motors.23Test Regulations for Refrigerating System23.1Pressure test (air tightness test)23.1.1Purpose of testTo check its performance of air tightness when the system is pressed.23.1.2Test condition:The test should be carried out before the insulation of R-404A piping is boundup.The test medium should be dry nitrogen.23.1.3Test requirementsHigh pressure system: 2.4 MPaLow pressure system: 2.0 MPaHigh pressure system: Ranging from discharge valve of the compressor tothe stop valve located before solenoid valve.Low pressure system: Ranging from stop valve located before solenoidvalve to the suction service valve of compressor. 23.1.4Test method:Fill the refrigerating system with dry nitrogen into it until the pressure in thesystem comes up to test pressure. Check all the connections with soapysolution and make sure that there is no leakage.23.1.5Standard for inspection and acceptanceKeeping pressure for 24 hours, the permissible pressure drop is not more than0.035 MPa subject to modification according to the following formula on thebasis of different ambient temperature.P P TTMPaOO-⨯≤0035.where,P o —Initial pressure of the mixed gas with which the system was filled(MPa)P —Final pressure after the period of pressure test expires (MPa)T o —Initial temperature of the mixed gas in the system e.g. ambienttemperature (K)T —Final temperature after pressure test (K)23.2Vacuum test23.2.1Purpose of test :To check the vacuum tightness of the system and to remove moisture in thesystem.23.2.2Test condition:Being carried out after the pressure test23.2.3Test requirement:Vacuum to be not less than 700 mmHg.23.2.4Test method:Extract the gas in the system with a vacuum pump again and again so as toremove the moisture inside the system.23.2.5Standard for inspection and acceptanceKeep vacuum for 8 hours, the permissible vacuum drop to be not more than 2mmHg.24.5.2Test requirementThe cooling test must be carried out continuously until the design requirementis fulfilled. Data are to be recorded with an interval of one hour for thecompartments which are chosen each one at port and starboard side on eachdeck..Note: Shipyard cooperates with service engineer in the test. If the ambienttemp. is too low to conduct the cooling test, the said test is exemptedand only the controllers' adjustments test to be carried out.24.6Warming test24.6.1Test conditionThe steam system and the air duct system are in normal working condition.24.6.2Test requirementThe warming test must be carried out continuously until the time of two hoursafter the design temperature is reached. Data are to be recorded with aninterval of one hour for the same compartments as the chosen compartmentsin cooling test.Function test of humidification shall be carried out.Note: If the ambient temp. is too high to conduct warming test, the said test isexempted (>26 ℃), and only fluency of the steam system andhumidification system to be carried out.24.7Packaged air conditionerPacked air conditioners are import. Function test to be carried out after the installationof cooling water pipe, drill pipe and power are completed.25M/E maneuvering test25.1Maneuver in ECR25.1.1Test the completion of the system and the installation of the ECC, measure theinsulation resistance of the system.25.1.2Check the working condition of the power supply units.25.1.3Make the maneuvering test and M/E start/stop test according to the M/Econtrol procedure. (The parameters & setting value for the tests to beaccording to the data supplied by manufactures.)25.2Maneuver in bridge25.2.1Make M/E start/stop test.25.2.2Start block test.25.2.3Check the alarm function of the remote control alarm system.。