GMR - ports
Transcript of GMR - ports
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TYPES OF MATERIAL HANDLED
Ports – Ship Loading & Unloading of Materials
Steel Plants – Ore, Coal, Limestone etc.
Cement Plants – Limestone, gypsum, clinkers etc
Power Plant – Coal
Mines – Excavation, Mining & Handling of Minerals & Materials
Food Industry – Grains ( pneumatic conveying)
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CONCEPT OF BULK MATERIAL HANDLING IN PORTS
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IMPORT OF BULK MATERIAL
Cokeing coal from Australia , Indonesia & Newzeland.
Thermal coal from west Bengal Orissa to south India.
EXPORT OF BULK MATERIAL
Iron ore from Ports like Vishakapattanum , Mangalore, Goa, Paradip , Chennai Etc.
Thermal coal from Ports Like Haldia, Kolkata,Paradip.
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CONCEPT OF BULK MATERIAL HANDLING IN PORTS
Receipt of Coal
Unloading
Conveying
Crushing & Screens
Stacking & Reclaiming
Bunkering General ( Auxiliary Systems, Electrical & Instrumentation and Civil
& Structural).
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SIMPLE FLOW DIAGRAM OF CHP
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SIMPLE FLOW DIAGRAM OF CHP
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TRACK HOPPER
WT 1
WT 2
TP 30
TP 31 TP 32
TP 33
TP 42
TP 41
CRUSHER
TP 47TP 46
TP 45
TP 35
TP 34
TP 44
TP 43
TP 36
TP 37
TP 38
TP 39
TP 40
PH
PH
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CONCEPT OF COAL HANDLING
Receipt of Coal
Trucks/dumpers Open Wagons Box N, Box C etc. Bottom discharge wagons Ships Long belt conveyors ( From Ports & Mines)
Unloading
Truck tipplers / Self Unloading dumpers Wagon tipplers / Manual unloading by opening of side doors Track Hopper Ship unloaders / Geared ship / Self unloading ships Surge hopper and feeders
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CONCEPT OF COAL HANDLING
Conveying
Feeders (Apron, Vibrating, Belt, Paddle Feeders) Bucket Elevators Steep angle conveyors Troughed Belt conveyors (unidirectional / Reversible) Shuttle Conveyors Pipe Conveyors Chutes & Skirt boards, Hoppers Flap gates, Rod gates, Rack & Pinion gates, Flow dividers, Shuttle heads. Magnetic Separators ( Inline / Cross Belt), Suspended Magnet Belt Weighs Metal Detectors Chute Block Switches Sampling system
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CONCEPT OF COAL HANDLING
Crushers
– Ring Granulators
– Double / Four Roll crusher
– Hammer mill
– Rotary Breakers
– Feeder Breakers
Screens
– Vibrating Screens
– Vibrating Grizzly Feeder
– Roller Screen
– Wobbler Screen
– Flip Flop Screen
– Banana Screen
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CONCEPT OF COAL HANDLING
Stacking and Reclaiming
Stackers (Single Boom, Twin boom)
Reclaimed (Bucket, Bridge, Bucket on bridge, Barrel, Portal scraper)
Stacker cum Reclaimed (Bucket Wheel)
Undirectioned / Reversible
Bunkering
Motorised Tripper (Single way, Two Way & Three Way)
Bunker Ventilation System
Bunker sealing arrangement
Bunker level monitors (High & Low)
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CONCEPT OF COAL HANDLING
General
Dust Extraction system
Dust Suppression system (Dry Plain water, sprinklers)
Ventilation System (Dry, wet)
Tunnel, MCC room
Air conditioning system
Electrical and Mechanical hoists
Service water , Potable water, Pneumatic System
Electric and Instrumentation
Civil & structural
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REVERSIBLE STACKER CUM RECLAIMER
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WAGON TIPPLER & SIDEARM CHARGER
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PADDLE FEEDER
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RING GRANULATOR CRUSHER
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CONVEYING SYSTEM
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GA OF WAGON TIPPLER COMPLEX
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GA OF TRACK HOPPER COMPLEX
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COAL PRODUCTION IN INDIA
1900 – 6.12 MT
1920 – 18 MT
1942 – 29 MT
1946 – 30 MT
33 MT – Beg. Of 1St 5 year plan
Now approx. 400 MT/annum
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UN LOADING FACILITY - CHP
• 1950’s-60’s – Plant 37 MW max emerged
Unloading – Over ground hopper (Truck tippling)
• 1960’s-70’s – Plant of 120 MW max emerged
Unloading – Wagon tippler complex(12-15 Tips/H)
• 1970’s-80’s – Plant of 210 MW max came with pit head concept
Unloading – Through Track hopper, wagon owned by power plant
• Early 90’s Railways started supplying Wagons
Opted to have both Track hopper & Wagon tippler (20 tips/hr)
• After 2000 – Higher Capacity plants started
Wagon tippler (20 – 25 tips/hr) & Track hopper of higher rate emerged
• Recently government is going towards Ultra mega Power plant (4000 MW)
Pit head or Port based unloading
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POWER GENERATION IN MAIN STATES
Maharashtra – 14000 MW
Gujarat – 9500 MW
A.P – 8100 MW
Tamil Nadu & U.P - 7000 MW
W.B – 6500 MW
Bihar – 1900 MW
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CONCEPT OF PORT
Port is basically a Service Provider
Comprises Ship Loader & Un loader Conveyor Stacker, Reclaimer or Stacker cum Reclaimer Wagon Loaders, Flood loading system.
Lower loading & unloading rates leads high penalty Unloading & loading rate is typically higher in ports
GEARED SHIP
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MOBILE HOPPER
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SHIP UNLOADER
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WAGON LOADER
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UNIDIRECTIONAL STACKER CUM RECLAIMER
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