Power Point Chapter7.16(Incinerator)
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Transcript of Power Point Chapter7.16(Incinerator)
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Chapter 7.16
Incinerator and
Sludge/Waste OilDisposal System
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7.16 Incinerator and Sludge/Waste Oil
Disposal System
Waste oil is a mixture of different types of oil (fuel oil and lubeoil) with a slight amount of water which is not suitable to beused for machineries.
It is being generated after treatment of drains collected fromdifferent oil tanks in the engine room.
Sludge is a semi-solid materials or waste left after the pre-treatmentprocess of waste water, fuel oil and lube oil onboard.
Both, waste oil and sludge are being burned to incinerator ordischarge to shore.
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7.16.1 Incinerator
Incinerator is device used to burn solid and liquid trash andconvert into ashes and flue gases.
Incineration is a process used to reduce solid and liquid trashgeneration and helping to reduce pollutants in the sea.
Incinerator has good benefits for the personnel onboard asthe disposal of oily waste generated in the machinery spacesand combustible segregated trash as required by MARPOL
73/78, Annex V can be burned in the incinerator, therebyreducing accumulation and making the disposal procedureeasy.
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7.16.1 Incinerator
Garbage TypeOutside Special
Areas2 In Special Areas
Category 1: Plastics-includes synthetic ropes,
fishing nets, and plastic garbage bagsDisposal prohibited Disposal prohibited
Category 2: Floating dunnage, lining, and packing
materials
>25 miles offshore3 Disposal prohibited
Category 3: Ground paper products, rags, glass,
metal, bottles, crockery, etc.>3 miles Disposal prohibited
Category 4: Paper products, rags, glass, metal,
bottles, crockery, etc.>12 miles Disposal prohibited
Category 5: Food waste not comminuted or
ground
>12 miles >12 miles
Category 5: 1 Food waste comminuted or ground >3 miles >12 miles
Category 6: Incinerator ash >3 miles Disposal prohibited
Mixed refuse types 4 4
Summary of "At Sea Garbage Disposal Regulations"
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7.16.1 Incinerator
Garbage Type Identification
Garbage TypeGarbage that can be burned in the
incinerator
Garbage
Receptacles Color
Identification
Plastics Dispose as per regulation. Not Allowed. Yellow
Food Dispose as per regulation. Not Allowed. Green
CombustiblePaper, rags, etc. can be burned in the
incineratorRed
Bottles and Cans Dispose as per regulation. Not Allowed. Blue
Others Dispose as per regulation. Not Allowed. White
Sludge and Oily
WasteBurn to Incinerator Not Applicable.
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7.16.2 Structure and Operating Principle
Main components Primary blower is used for cooling and combustion air.
Sludge burner is used to burn sludge/waste oil from the wasteoil tank and is made of pressure jet burner design withatomizing air.
Primary burner for primary combustion using diesel oil whenincinerating solid wastes.
Waste oil dosing pump for supply of waste oil to the burner.
Control Panel is provided for housing of electric controlequipment for automatic control.
Thermocouples for detecting high temperatures and alarm inprimary combustion chamber, and for detecting high flue gastemperature and alarm.
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Side View
TO
CHIMNEY
FEEDING
DOOR
CLEANING
DOOR
ASH
DOOR
PRIMARY
BLOWER
ATOMIZING
AIR
FRONT VIEW
WASTE OIL
DOSING PUMP
THERMOCOUPLE
CONTROL PANEL
WASTE OIL
BURNER
SIGHT
GLASS
PRIMARY
BURNER
7.16.2 Structure and Operating Principle
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MOTOR
CASING
INLET CONE
WIRE NET
AIR
FLOW
Primary Blower (HTF-#3 HMMCO)
7.16.2 Structure and Operating Principle
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DIESEL OIL
TANK
OIL SLUDGE
SERVICE TANK
HEATING ELEMENT MILL PUMP
STEAM IN
STEAM OUT
SLUDGE OIL
INLET
VENT OUT
ASH CLEANING
DOOR
CHARGING
DOOR
PRIMARY
BLOWER
SLUDGE DOSING
PUMP
SELF-CLEANING
STRAINER
COMPRESSED AIR
FLUE GAS OUTLET
DAMPER
COMBUSTION
CHAMBER
DOUBLE AIR
COOLING WALL
COMBUSTION
AIR INLET
AFTER BURNING
CHAMBER
SECONDARY AFTER
BURNING CHAMBER
D.O. IN
AIR VENT
OIL BURNER
W/ BUILT IN
PUMP
SLUDGE BURNER
INDUCEDDRAUGHT
AIR
7.16.2 Structure and Operating Principle
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7.16.3 Procedures for Operation
Burning Cooling
5
Switch on SOLID WASTE
Close the door and start
Process timer
Primary blower (VH)
Pre-purging time 30sec(5 air changes)
Primary burner blower (ST-1)
Activation of the sluice will unlock
4
for ST-1
(ST-1)Primary burner operating
Operating temperature (850 950)
(1562 1742 F)
the inside door and feed the waste
0
1 2 3
T
Elapsed time
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Burning Cooling
Elapsed time
0 T
1 2 3
Switch on SLUDGE
Close the door and start
Process time
Primary blower (VH)
Pre-purging time 30sec(5 air changes)
Operating temperature (850 950)
Primary burner blower (ST-1)
Activation of the sluice will unlock
Sludge burner operating (B)
the inside door and feed the waste
Primary burner operating
for B (1562 1742 F)
Operating time for ST-1(abut) (25sec)
4
6
Operating temperature (850 950)
5
for ST-1(man) (1562 1742 F)
Sludge burner atomizing air (B)
(ST-1)
7.16.3 Procedures for Operation
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Burning CoolingElapsed time
High temperature exhaust gas
Flame failure
Motor overload
Sluice inside door not closed
0
1 32
T
Safety function enabled changes
to cooling and alarm
Low pressure combustion air (1.8KPa)
Low pressure atomizing air (98KPa)
High temperature incinerator
(1050/1922F)
Low negative pressure primary
combustion chamber
7.16.3 Procedures for Operation
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The End