401001机械设备估算书O.docx

1、401001机械设备估算书OREV DESCRIPTION 版 本 说 明DATE日期REV.版本DESCRIPTION简 述EDIT编制CHKD.校对RVE.审核APP.审定2007.3.12AFOR APPROVAL尚亚杰乐路乐路张雅娣BUILDER承造单位CSSC GUANGZHOU LONGXUE SHIPBUILDING CO., LTD.广州中船龙穴造船有限公司SHIPS No.L0001/2/3/4SHIPYARD DWG-No.K4000412DESIGNER设计单位MARINE DESIGN & RESEARCH INSTITUTE OF CHINA中国船舶及海洋工程设计研究

2、院308,000DWT VLCC308,000载重吨超大型油轮详细设计MARK标记QUA 数量REV. No.修改单号SIG.签 字DATE日期ESTIMATED CALCULATION FOR MACHINERY & EQUIPMENT机械设备估算书M10085-401-001JSEDIT编制尚亚杰CHKD校对乐路RVE审核乐路AREA总面积 1.14 m2TOTAL共 19 页PAGE第 1 页STD标检乐路APP审定张雅娣INDEX1 GENERAL 32 MAIN ENGINE & PRINCIPAL EQUIPMENTS 43 FUEL OIL SYSTEM 64 LUBE OIL

3、SYSTEM 105 COMPRESSED AIR SYSTEM 126 BILGE SYSTEM 147 COOLING WATER SYSTEM 168 FIRE WATER SYSTEM 189 FRESH WATER GENERATOR 1910 INCINERATOR 191 GENERAL1.1 Engine roomEngine room to be located between FR17 and FR53, where is to be arranged with one (1) set of main engine, three (3) sets of diesel gen

4、erator sets, two (2) sets of auxiliary boilers, one (1) set of exhaust gas economizer, one (1) set of incinerator, heat exchangers, air compressors, pumps and etc.1.2 Principal ParticularsLength o.a.: 330.00 mLength b.p.: 320.00 mBreadth mld.: 60.00 mDepth mld.: 29.80 mDraft designed, mld.: 20.50 mD

5、raft scantling, mld.: 21.80 mDeadweight (design draft): 285,000 tDeadweight (scantling draft): 308,000 tComplement: 28 personsEndurance: 20000 n.miles at 15.7 kn (Abt. 57 days in all, including 3 days for reserve)1.3 Fuel oilThree (3) kinds of fuel oil are to be employed as follows.1.3.1 Heavy fuel

6、oil (HFO) having a viscosity of up to 380 mm2/s at 50C Main engine at sea and maneuvering time (including start/stop operation) The generator diesel engines at normal operating condition (including start/stop operation) Auxiliary boilers at normal operation LCV: 39100 kJ/kg1.3.2 Marine diesel oil (M

7、DO) having a viscosity of up to 11 mm2/s at 40C (ISO designation DMB) The main engine before long term stopping The generator diesel engine at start after long time stop or before long time stop or at long time low load operation The auxiliary boiler at cold starting The waste oil incinerator at sta

8、rting with pilot burner in use LCV: 42040 kJ/kg1.3.3 Light diesel oil having a flash point of not less than 60(ISO designation DMA) Emergency generator diesel engine in all operating modes LCV: 42700 kJ/kg2 3 4 5 MAIN ENGINE & PRINCIPAL EQUIPMENTS2.1 Main engine: Qty: One (1) setType: SULZER 7RTA84T

9、-DDescription: Vertical, two-stroke, single-acting, direct- reversible, crosshead type, turbocharged, marine diesel engine with two (2) turbocharger Number of cylinder: 7Cylinder bore: 840 mmPiston stroke: 3150 mmMaximum continuous rating (MCR): 29,400 kW at 76.0 r/minContinuous service rating (CSR)

10、: 26,460 kW at 73.4 r/minRotating direction: Clockwise looking from after Starting air pressure: 3.0 MPaFuel oil consumption: 167.0 g/kWh+5% at MCR (based on using marine diesel oil with lower calorific value of 10,200 kcal/kg at ISO reference condition, and fulfill IMO NOx emission limitations.) 16

11、4.7 g/kWh+5% at CSRLube oil consumption: 63 kg/24hCylinder oil consumption: 0.91.3 g/kWh2.2 Main diesel generator setQty: Three (3) setsDiesel engine description: Four-stoke, non-reversible, in-line, water-cooled Turbocharged, direct fuel injectionOutput: 1,100kWRevolution: 900 r/minFuel oil consump

12、tion(at 100% load): 190 g/kWh 5%Lube oil consumption: 0.5 g/kWhStarting air pressure: 3.0 MPaGenerator description: Drip-proof(IP44), water cooled Output: 1050 kW2.3 Emergency generator setQty: One (1) setDiesel engine description: Vert. single acting, trunk piston, air cooling or fresh water coolin

13、g with radiator type, with automatic starting deviceOutput: 350 kWRevolution: 1800 r/minGenerator description: Drip-proof, self-ventilated and blushless typeOutput: 320 kWRevolution: 1800 r/minFuel consumption(at 100% load): 67 l/h2.4 Auxiliary boilerQty: Two (2) setsType: Vertical, two-drum water t

14、ube type marine boilerSteam output: 45000 kg/hSteam state: 0.7/2.0 MPa, saturatedFeed water temperature: 50CFuel oil consumption for normal: 3350 kg/h (at max load)Diesel oil consumption for normal: 3220 kg/h (at max load)2.5 Exhaust gas economizerQty: One (1) setType: Exhaust gas heating, forced wa

15、ter circulation finned steel tube type, without exh. gas by-pass Steam output: 2,300 kg/h at main engine running at CSR under ISO reference condition Steam state: 0.7MPa, saturatedFeed water temperature: 50CThe max. steam output to be calculated as follows:G = h x (T-T) x C x (1-) / (is-iw) = 205858

16、.8 x (296-5-200.42) x 1.0556 x (1- 4%) / (2768.4-209.26)7384 kg/hG the max. steam output，kg/hh exhaust gas mass flow of M/E，about 205858.8 kg/h (ISO reference condition，with M/E at CSR condition)T temperature of exhaust gas after turbine5，i.e. 2965 (ISO reference condition，with M/E at CSR condition)

17、T temperature of exhaust gas from economizer, i.e. temperature of output saturated steam add 30, 170.42+30=200.42C specific heat of exhaust gas ,1.0556 kJ/kg（0.25kcal/ kg）is corresponding enthalpy for saturated steam, kJ/kgiwcorresponding enthalpy for feed water, i.e. the enthalpy of saturated water

18、 at 50, kJ/kg the loss of boiler heat dissipation, select 4%6 FUEL OIL SYSTEM3.1 HFO consumption3.1.1 HFO consumption for M/E:QM = K x Ne x ge x 10-6= 1.092 x 26460 x 164.7 x 1.05 x 10-6= 5.00 t/hK: correction factor for fuel oil calorific value, 42700/39100 =1.092Ne: CSR of M/E, 26460 kWge: Fuel oi

19、l consumption at CSR under ISO reference condition, 164.7 g/kWh+5%3.1.2 HFO consumption for each A/E:QG = K x Ne x ge x 10 -6= 1.092 x 1100 x 190 x 1.05 x 10-6= 0.24 t/hNe: AE power at 100% load; ge: Fuel oil consumption 190 g/kWh +5% at 100% load3.1.3 Total consumption of HFO on voyage:QF = QM + QG

20、= 5.00 + 0.24= 5.24 t/h =125.76 t/day3.2 MDO consumption3.2.1 MDO consumption for M/E:MDO will be consumed for M/E before long term stop. Suppose 4 times in each voyage, each time lasting 4 hours (total is 16 hours).QM1 = K x Ne x ge x 10-6 = 1.016 x 26460 x 164.7 x 10-6 = 4.43 t/h = 70.84 t / 16h 1

21、 voyageK: Correction factor for MDO calorific value, 42700/42040 =1.016Ne: CSR of M/E, 26460 kWge: Fuel oil consumption at CSR, 164.7 g/kWh+5%3.2.2 MDO consumption for each A/E:MDO will be consumed for A/E at low load operation and/or before long term stopping and/or overhauling and/or cold starting

22、. Suppose 12 times in each voyage, each time lasting 2 hours (total is 24 hours).Q G1 = K x Ne x ge x 10-6= 1.016 x 1100 x 190 x 10-6= 0.212 t/h= 5.10 t/24h 1 voyage3.2.3 MDO consumption for each Auxiliary Boiler:MDO will be consumed for auxiliary boiler at cold starting. Suppose 12 times in each vo

23、yage, each time lasting 2 hours (total is 24 hours).QB1= K x ge x F x 10-3= 1.016 x 3220 x 90% x 10-3= 2.944 t/h= 70.66 t/24h 1 voyagege: Diesel oil consumption is 3220 kg/h F: at 90% load3.2.4 Total MDO consumption:Q D = QM1 + QG1 x 2 x 0.85 + QB1 x 2= 70.84 + 5.10 x 2 x 0.85 + 70.66 x 2= 220.8 t /

24、 1 voyage3.2.5 MGO consumption for emergency generator:According to the RULE, the emergency generator shall be continuous running for at least 18 hours.QEG =67 x 18 x 10-3 = 1.21 m3/18hVolume of MGO (service) tank in the emergency generator room: V= 1.21 x 1.2 = 1.45 m3, Selected 2.0 m3.3.3 Tank cap

25、acity3.3.1 HFO service tank (normal at sea):V = (QM + QG) x T x K/= (5.00 + 0.24) x 12 x1.15 / 0.985= 73.41 m3T: Time, SPEC required on 12 hours : HFO specific gravity 0.985 t/m3K: Capacity coefficient, select 1.15Selected H.F.O service tank: 75 m3, two (2) sets 3.3.2 HFO settling tank:SPEC required

26、 as same as HFO service tankSelected HFO settling tank: 75 m3, two (2) sets3.3.3 Boiler HFO service tank: V = QB x T x 2 x K/ = 3.35 x 16 x 2 x 1.15/0.985 = 125.16 m3T: Time, select 16 hours : HFO specific gravity 0.985 t/m3K: Capacity coefficient, select 1.15Selected boiler H.F.O service tank: 130

27、m3, one (1) set3.3.4 MDO service tank:As SPEC required:V = (QM1+ QG1) x T x K/ m= (4.43 + 0.212 ) x 8 x 1.15 / 0.9= 47.45 m3T: Time on 8 hoursm: MDO specific gravity 0.9 t/m3Selected MDO service tank, 60 m3, one (1) setAnd MDO storage tank, 350 m3, one (1) set3.3.5 Emergency generator engine fuel oi

28、l (MGO) tank:According to item 3.2.5, selected MGO tank of 2.0 m3, one (1) set.3.3.6 Waste oil tank:According to Annex I of MARPOL 73/78, MEPC/Circular.235-1990, and Unified Interpretations of Annex I: V = K x C x D x 50%= 0.015 x 127.68 x 57 x 50% 54.58 m3K: Coefficient，K = 0.015C: HFO consumption

29、= 125.76 t/day = 125.76 / 0.985 =127.68 m3D: Maximum period of voyage between ports where sludge can be discharged ashore，D = 57 day According to MEPC/Circular.235-1990, drain and leakage oil tank shall be:V = D x (0.2 + (7 x (P-10000) x 10-6) = 57 x (0.2 + (7 x (29400-10000) x 10-6) = 19.14 m3Selec

30、ted: Waste oil tank of 60 m3, one (1) set. Sludge tank of 15 m3, one (1) set. HFO Drain Tank of 20 m3, one (1) set.3.3.7 Fuel oil overflow tankFuel oil overflow tank minimum volume is normally 30 minutes at transfer pump capacity, 30 m3/h x 30 / 60 = 15 m3 (30 m3/h: capacity of HFO transfer pump)or10 minutes tank filling capa