Type ENV-116G Turbine for Cargo Oil Pump working Instruction
Special Information and expected performance curve
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1
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Type
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Mitsubishi ENV-116G,
vertical single
stage impulse steam turbine with single reduction gear
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2
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No. of supply
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4 set (for 1 ship)
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3
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Machine No.
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T06358 ~ T06361
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4
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Output ( Continuous
Rating)
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750 kW
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5
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Steam Condition:
Inlet Steam Pressure
Inlet Steam
Temperature
Exhaust Vacuum
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14.5 kg/cm2G
Sat.
550 mmHg
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6
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No. of Revolutio
Turbine
Gear
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9494 RPM
1610 RPM
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7
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Reduction Gear Type
Gear Size
(Center Distance and
Widht)
Gear Ratio
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46 x 15 cm
5.897
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8
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Steam Inlet Flange
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JIS 20K – 100 mm
dia.
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9
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Exhaust Flange
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JIS 5K – 300 mm dia.
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10
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Rotating Direction
on Gear Shaft ( Viewed from Governor Side)
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CCW
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11
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Governor
Type
Speed Range
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PSG
103 ~ 50 %
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12
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Lubrication
System
Lubricant
Oil Reservoir
Capacity
Main Oil Pump
Capacity
Auziliary Oil Pump
Capacity
Oil Cooler
Type
Cooling Surface Area
Required Cooling
Water
Cooling Water Inlet
and Outlet Flage
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Forced
Turbine oil #140 ~
#180
270 lt
5.9 m3/h x 3 kg/cm2
G
(Shaft driven)
6.5 m3/h x 1 kg/cm2
G
Motor driven
0.4 kW x 3450 rpm)
Shell and tube
5 m2
8 m3/h x Max. 32 * C
x Max. 5 kg/cm2 G x Sea Water
JIS 5K – 32 mm dia.
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13
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Safety Device
(1) Mechanical Over
Speed Trip
(2) Electrical Over
Speed Trip Alarm
(3) Lub. Oil Pressure
Trip
(4) back Pressure
Trip
(5) Sentinel Valve
(6) Remote Trip
(7) Manual Trip
(8) Pump Bearing
Temperature Trip
(9) Pump Casing
Overheat Trip
(10) BHD Gland High
Trip
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< Setting>
10918 rpm (tol. 285)
10443 rpm (tol. 95)
0.5 kg/cm2 G (tol.
0,1)
1.5 kg/cm2 G (tol.
0.2)
1.0 kg/cm2 G (tol.
0.2)
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Note: Sensers for
alarm or trip ( marked at safety device) shall be provided by pump
manufactured or shipbuilder.
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14
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Steam Consumption
When of specified
conditions are supplied, steam consumption shal be as follows.
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Output
Steam Condition
Steam Consumption
Exhaust Enthalpy
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750 kW
14.5 x Sat. x 550
mmHg
8020 kg/h
583.4 kcal/kg
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Note: The above
figure are guaranteed with 3% tolerances for uncoidable error of measuring
instrument and workmanship.
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