View
213
Download
1
Category
Tags:
Preview:
Citation preview
SUGAR TECHNOLOGY
& INNOVATION
R-5 28/11/2011
RR TASKS
Cane juice extraction is the most power demanding step in the sugar process.
Reggiana Ridutto has developped an innovative mill rollers drive system, succeeding in following tasks:
-INCREASE IN MECHANICAL EFFICIENCY
-INVESTMENTS REDUCTION (CONSTRUCTION and MAINTENANCE)
- EXTRACTION CONTROL
-CONVENTIONAL MILLS UPGRADING
Let’s see HOW
INCREASE IN MECHANICAL EFFICIENCY
CONVENTIONAL MILL DRIVEfoot-mounted reduction gearings with tail bar, crown pinions and rope couplings
does it easier with its INNOVATIVE PINIONLESS MILL DRIVE consisting of
SHAFT MOUNTED GEARBOXES DIRECTLY ON THE ROLLER SHAFT
EQUIPMENTS PINIONLESS DRIVE
CONVENTIONAL MILL
AC Motor 96% 96%
REDUCTION GEARS 95% 92%
Low speed OPEN GEAR 60%
Tail Bar 97%
CROWN PINION 92%
TOTAL EFFICIENCY 47%
INCREASE IN MECHANICAL EFFICIENCY
VFD Electric motor96%
High speed reducer90%
Crown pinion92%
Tail bar97%
WIN 200% MORE EFFICIENCY WITH
PINIONLESS DRIVE
CONVENTIONAL DRIVE
91%
INCREASE IN MECHANICAL EFFICIENCY
EQUIPMENTS PINIONLESS DRIVE
ROPE COUPLING MILL
AC Motor 96% 96%
REDUCTION GEARS 95% 92%
Rope coupling 97%
CROWN PINION 92%
TOTAL EFFICIENCY 91% 79%
ROPE COUPLING DRIVE
15% MORE EFFICIENT THAN COMMONLY USED PLANETARY
DRIVE
RR EXPERIENCE:
INCREASE IN MECHANICAL EFFICIENCY
4 MILLS 40” x 80”, 6000 TCD.
MILLING SPEED: 4,5 rpm
INSTALLED POWER: 840 kW/mill.2 X 250 kW TOP ROLLER (RR55000)1 X 250 kW BOTTOM ROLLER (RR55000)1 X 90 kW TRF (RR25000)
POWER SAVING WITH PINIONLESS DRIVE: 100 kW/mill
100 kW/mill
400 kW/day
72 MW/Season(6 months)
SHAFT MOUNT
ED GEARBOXES
NO NEED
OF FOUNDATIONS
COMPACT
FACTORY
DESIGN
INVESTMENTS REDUCTION
SPLITTED POWER
SMALLER GEARBOXES and MOTORS
SIZE
BETTER AVAILABILITY and LOWER SPARE PART
PRICES
SHORTER
POWER TRASMISSION CHAIN
LESS MAINTENANCE
REDUCED
SPARE PARTS STOCK
INVESTMENTS REDUCTION
INDIPENDENTLY DRIVEN ROLLERS
FLEXIBLE ROLLERS RELATIVE SPEED SET UP
BETTER CANE FIBERS SHREAD and COMPRESSION CONTROL
ROLLER SPEED RATIOS can be RELATED TO CANE QUANTITY, QUALITY and DENSITY
SMARTER MILL SET UP
BETTER EXTRACTION CONTROL
EXTRACTION CONTROL
WITH PINIONLESS DRIVE
UNIFORM CANE BLANCKET COMPRESSIONLONGER COMPONENTS LIFETIME
LESS MAINTENANCE
EXTRACTION CONTROL
TORQUE TRASMISSION BETWEEN CROWN PINIONS CAUSES a LOCAL REACTION and HIGH STRESS LEVELS at MILL ROLLERS END
UNSYMMETRICAL ROLL LIFT
NOT UNIFORM CANE BLANCKET COMPRESSION
LOWER EXTRACTION EFFICIENCY
HIGH STRESS LEVEL at MILL ROLLER SHAFT END
FREQUENT FAILURE and WEAR OUT of:CROWN PINIONSBRASSESBEARINGS
EXTRACTION CONTROL
INDIVIDUAL PINIONLESS ROLL DRIVE
POWER ABSORPTION AND ROLL SPEED CONTROL
DRIVE FOLLOWS THE ROLL MOVEMENT
UNIFORM ROLL LIFT and LOWER STRESS LEVEL (no pinion reaction)
BETTER EXTRACTIONREDUCED WEARLESS MAINTENANCE
CONVENTIONAL MILLS UPGRADING
PINIONLESS DESIGN CAN CONVERT CONVENTIONAL
MILLS INTO MODERN PINIONLESS MILLS AND TAKE ADVANTAGE OF MOST TECHNICAL ADVANTAGES
FLANGE TO FLANGE ASSEMBLY CAN UPGRADE THE TRADITIONAL ROLL DRIVES
INTO SHAFT MOUNTED GEARBOXES.
YOU CAN IMPROVE EXISTING SUGAR PLANTS ENERGY LEVEL TO THE MOST MODERN STANDARDS end GAIN BETTER EXTRACTION
SIZE T2max [Nm]
RR65 1200
RR105 1800
RR110 2000
RR210 2500
RR310 5500
RR510 7000
RR710 8500
RR810 14500
RR1010 17500
RR1700 26500
SIZES FOR
SIZE T2max [Nm]
RR2500 37000
RR3200 58000
RR4000 75000
RR5200 92000
RR6500 125000
RR8000 160000
RR10000 190000
RANGE AND SOLUTIONS
- Cane carrier- Cane elevator- Cane leveller- Cane feeder- Bagasse elevator- Bagasse Stacker- Juice clarifiers- Scraper- Crystallisers- Agitator- Conveyor
WE CAN DO THEM ALL !
MILL CAPACITY over 6000 TCD
MILL CAPACITY up to 6000 TCD
SIZES FOR
RANGE AND SOLUTIONS
SIZE T2max [Nm]
RR15000 275000
RR20000 395000
RR25000 580000
RR30000 680000
RR40000 790000
RR55000 950000
RR70000 1000000
RR85000 1100000
RR110000 1500000
TRF up to 100 KW each
TRF over t 100 KW each TOP and BOTTOM rollers up to 300 kW each
TOP and BOTTOM rollers over 300 kW each
OUTPUT SPEED UP TO 12 rpm
RANGE AND SOLUTIONS
CONVENTIONAL HOLLOW SHAFT
WITH SHRINK DISC
SPLINED OUTPUT SHAFT WITH
- CLAMPING RING- DOUBLE CENTERING
EASY ASSEMBLY and DISASSEMBLY
SAFER (better stress distribution)
NO RUST
SHAFT OPTIONS
LINEAR OR ANGULAR
CONFIGURATIONS
WITH HELICAL OR BEVEL HELICAL INPUT
HIGHER THERMAL RATINGS
HIGHER INPUT SPEEDS
RANGE AND SOLUTIONS
AND . . . WE DO IT CONVENTIONAL TOO!
FOOT MOUNTED PLANETARY GEARBOXES with :
SQUARE OUTPUT SHAFT FOR ROPE COUPLING/CROWN PINION
COOLING SYSTEM
all over RANGE
RR thinks global and acts local
RR GROUP WORLD
READY TO ASSIST YOU WORLDWIDE!
Sugar cane projects
- JAY MAHESH SUGAR IND.LTD. (NSL Sugars Ltd.) (INDIA).
- MUKTESHWAR SUGAR MILLS LTD (INDIA).
-GANGAKHED SUGAR & ENERGY LIMITED (INDIA).
-QUANG NGAI SUGAR (VIETNAM).
-UTTAM (INDIA).
-SADA (BRASIL).
-MT SUGAR (THAOLAND).
… and many other worldwide.
Recommended