COLD MILLS AND STRIP PROCESSING LINESseaisi.org/file/S7A-4 New Solutions for the New...OF...
Transcript of COLD MILLS AND STRIP PROCESSING LINESseaisi.org/file/S7A-4 New Solutions for the New...OF...
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DANIELI / SINCE 1914PASSION TO INNOVATEAND PERFORMIN THE METALS INDUSTRY
This document contains proprietary information of Danieli & C. Officine Meccaniche S.p.A., not disclosable, not reproducible. All Rights Reserved.
RUEDIGER HOLZDANIELI WEAN UNITED COLD MILLS AND STRIP
PROCESSING LINESNEW SOLUTIONS ENHANCING COMPETITIVENESS
2018 SEAISI CONFERENCE& EXHIBITION25-28 JUNE 2018JAKARTA
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INDEX
1. DANIELI’S PRIMARY MISSION
2. ENHANCING COMPETITIVENESS OF DISCONTINUOUS COLD MILLS
3. ENHANCING COMPETITIVENESS OF GALVANIZING PROCESS
4. CONCLUSIONS
COLD MILLS AND STRIP PROCESSING LINES:NEW SOLUTIONS ENHANCING COMPETITIVENESS
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INDEXCOLD MILLS AND STRIP PROCESSING LINES:NEW SOLUTIONS ENHANCING COMPETITIVENESS
1. DANIELI’S PRIMARY MISSION
2. ENHANCING COMPETITIVENESS OF DISCONTINUOUS COLD MILLS
3. ENHANCING COMPETITIVENESS OF GALVANIZING PROCESS
4. CONCLUSIONS
DANIELI’S PRIMARY MISSION
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Source: vdeh Plantfacts, Cold
reduction mills for carbon steels
without electrical sheets, TCM
Tandem Cold Rolling Mill, RCM
Reversing Cold Rolling Mill
DISCONTINUOUS OPERATING COLD ROLLING MILLS(TANDEM MILLS AND REVERSING MILLS)
DANIELI’S PRIMARY MISSION
Discontiuous CRMs — RCM
Continuous CRMs
Discontiuous CRMs — TMC
NORTH AMERICA
SOUTH AMERICA
EUROPE
No of mills
Million Metrictons per year
10
15,8
4
3,5
26
33,9
22
7,5
5
0,9
45
8,6
21
25,1
8
7,2
28
22,3
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MITOxfordCambridgeTU BerlinRWTH AachenPolitecnico di Milano
DANIELI’S PRIMARY MISSION
INNOVATION IN PROCESSES AND DESIGNIN COLD ROLLING AND STRIP PROCESSING
SISSA International School for Advanced Studies, Trieste, Italy.
DANIELICollaboration since 2014
SISSA
> Most advanced methods for mathematical modelling and numerical simulation
> Supercomputing facilities
FIELDS OF COOPERATION DANIELI/SISSA
Fluid dynamic simulations
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NEW TECHNICAL SOLUTIONS IN COLD ROLLINGAND STRIP PROCESSING
DANIELI’S PRIMARY MISSION
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INDEXCOLD MILLS AND STRIP PROCESSING LINES:NEW SOLUTIONS ENHANCING COMPETITIVENESS
1. DANIELI’S PRIMARY MISSION
2. ENHANCING COMPETITIVENESS OF DISCONTINUOUS COLD MILLS
3. ENHANCING COMPETITIVENESS OF GALVANIZING PROCESS
4. CONCLUSIONS
ENHANCING COMPETITIVENESS OF DISCONTINUOUS COLD MILLS
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KEYS FOR SUCCESS
> Optimized threading setup
> Strip steering by enhancedautomatic bending and tiltingadjustment control
> Reduction control
97.6% - 98.9 %
Danieli yield boosttechnology
96.0% - 98.2 %
Conventional
YIELD BOOST TECHNOLOGY IN 2-STAND REVERSING MILL
ENHANCING COMPETITIVENESS OF DISCONTINUOUS COLD MILLS
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Target annual cold rolled capacity
380,000 t/y
Reference strip size 2,35 mm
0.30 x 990 mm17.12 ton coil
weight
DANIELI YIELD BOOST TECHNOLOGYENHANCING COMPETITIVENESSOF DISCONTINUOUS COLD MILLS
MATERIAL YIELD
COST SAVINGS(USD)
CONVENTIONAL MILL
98.05 %
DANIELI YIELD BOOST TECHNOLOGY
98.90 % 991.648
Pickling cost 9,50 USD/ton
Hot Rolled cost 492,92 USD/ton
Cold rolling 15,29 USD/ton
Scrap price(pup coil price)
220,00 USD/ton
Cold rolled full hard market price
595,00 USD/ton
MATERIAL AND CONVERSION COST
Client in South-East Asia, October 2016
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MATERIAL YIELD
ANNUALPRODUCTION
(TONS)
ADDITIONAL NET INCOME
(USD)
CONVENTIONAL MILL
98.05 % 380.000
DANIELI YIELD BOOST TECHNOLOGY
98.90 % 380.000
991.648
DANIELI CRM PLUSTECHNOLOGY
99,35 % 431.600 5.451.981
COMPARISON OF CONFIGURATIONS:YIELD AND PRODUCTION OUTPUT PER YEAR
ENHANCING COMPETITIVENESSOF DISCONTINUOUS COLD MILLS
+ L2
+13,6%
ROI WITH DANIELI CRM PLUS TECHNOLOGY WITHIN 1 YEAR
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TOTAL MATERIAL YIELD 98,0 % TOTAL MATERIAL YIELD 99,6 %
TOTAL INVESTEMENT PROCESS EQUIPMENT
100,0 % TOTAL INVESTEMENT PROCESS EQUIPMENT
93,0 %
NUMBER OF COLD ROLLING MILLS 3 NUMBER OF COLD ROLLING MILLS 2
(Extension in 3 phases)
OPTION 1
Conventional plant concept
OPTION 2
With Danieli Yield Boost and CRM PLUS
technologyPLANT CONFIGURATION PRODUCTION
(t/a)
PLANT CONFIGURATION PRODUCTION
(t/a)
205.000 205.000
565.000 565.000
860.000 860.000
DANIELI CRM PLUS TECHNOLOGY / COMPARISON OF DIFFRENT PLANT CONCEPTS
ENHANCING COMPETITIVENESSOF DISCONTINUOUS COLD MILLS
TOTAL MATERIAL YIELD 98,0 % TOTAL MATERIAL YIELD 99,6 %
TOTAL INVESTEMENT PROCESS EQUIPMENT
100,0 % TOTAL INVESTEMENT PROCESS EQUIPMENT
93,0 %
NUMBER OF COLD ROLLING MILLS 3 NUMBER OF COLD ROLLING MILLS 2
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DANIELI OSRT 6-HI MILL:PERFORMANCE AT THIN GAUGE ROLLING
ENHANCING COMPETITIVENESSOF DISCONTINUOUS COLD MILLS
FINAL THICKNESS DEVIATION (mm)
Strip length (m)
0 2000 4000 6000 8000 10000 12000
0.220
0.210
0.200
0.190
FINAL FLATNESS DEVIATION (I-Unit)20
10
0 2000 4000 6000
Strip length (m)
8000 10000 12000
00
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DANIELI LATEST ORDERENHANCING COMPETITIVENESSOF DISCONTINUOUS COLD MILLS
PUSH-PULL PICKLING LINE AND COLD REVERSING MILL FOR INDONESIAClient: PT. Sunrise Mill, Surabaya, Indonesia
SCOPE OF SUPPLY> Puch-pull pickling line,
extendable to 600.000 tpy
> 6-Hi OSRT cold rolling millwith Yield Boost Technology for 200.000 tpy
TARGETS> Low operating and maintenance costs
> Easy and safe operation
> Best strip flatness performancealso at thin gauge rolling
> Reduce material losses at strip head and tailend by more than 60 %
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DANIELI LASER WELDER:INNOVATIVE TECHNOLOGICAL SOLUTIONS
ENHANCING COMPETITIVENESSOF DISCONTINUOUS COLD MILLS
> High speed laser cutting of strip ends
> Reduced maintenance due to high equipment reliability and less wear parts
> Minimized consumption of technical gases
REDUCED CAPEX AND OPEX DUE TO REDUCED INSTALLED POWER AND COMPACT DESIGN
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DANIELI LASER WELDER:CUTTING AND WELDING BY LASER
ENHANCING COMPETITIVENESSOF DISCONTINUOUS COLD MILLS
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INDEXCOLD MILLS AND STRIP PROCESSING LINES:NEW SOLUTIONS ENHANCING COMPETITIVENESS
1. DANIELI’S PRIMARY MISSION
2. ENHANCING COMPETITIVENESS OF DISCONTINUOUS COLD MILLS
3. ENHANCING COMPETITIVENESS OF GALVANIZING PROCESS
4. CONCLUSIONS
ENHANCING COMPETITIVENESSOF GALVANIZINGPROCESS
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DANIELI GALVANZING TECHNOLOGYENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
COSTS COATING WEIGHT
QUALITY SPEEDPRODUCTIVITYYIELD
PLUS
LESS
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FULLY INTEGRATED TECHNOLOGICAL PACKAGE TO PERFORM WIPING PROCESS WITH HIGH QUALITY
ENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
Danieli Automation Q-Zinc Closed Loop Coating weight control
Q-Zinc CLC
Danieli Automation Q-Robot Zinc for dross removal
Q-Robot Zinc
Danieli DES Electromagnetic Strip Stabilizer
DESTM
Danieli Kohler air knives with submerged rolls
Kohler X-JET / COMPACT X-JET
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PERFORMANCE OF DANIELI KOHLERX-JET AIR KNIVES
ENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
X-JET
dsPmax
dx >
Static pressure (sP) created by air flow impacting the strip surface
Traditionalair knives
Pe
rpe
ndic
ula
r p
ositio
n to
lip
s g
ap (
X)
dsPmax
dx
BENEFITSOF SHARPER AIR JET
> Higher process speed
> Less coating weight
> Less overcoat
> Less flow
> Less cleaning effortsfor nozzle lips
> Fewer surface defects
> Less skimming
> Energy savings
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NEW DANIELI KOHLER COMPACT X-JET AIR KNIFEENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
The newly developedand modular designed Compact X-JET
> Maintains X-JET high performances
> Maintains X-JET functions and Add-ins
> Requires less space
> Is dedicated for crowded Pot areas
> Easily replaces old Air Knife equipment
> Significantly reduces capital investment
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STABILIZER ON
Knife distance reductioncan be achievedby the DES Danieli electromagneticstrip stabilizer method:
Non-contact, electromagnetic forces
RESULTS
> Reduced vibration
> Strip flattening optimized
> Constant passline position
DANIELI DES ELECTROMAGNETIC STRIP STABILIZERENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
EM STABILIZER
CROSSBOW REDUCTION
STABILIZER OFF
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AIR KNIVES CONTROL SET-UP BY ADAPTIVE COATING MODEL AND CONTROL
ENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
ADAPTIVE COATING MODEL SUPPORTS
HIGH ACCURACY ZINC COATING CONTROL
CONTROLLER
Coating weightFeedback
Set
COATING MODELCoating Limits
Long termadaptation
Input
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AIR KNIVES CONTROL SET-UP BY ADAPTIVE COATING MODEL AND CONTROL
ENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
OPEN LOOP CLOSED LOOP
Coil lengh (m)
Avg.
coating w
eig
ht
(g/m
2/s
ide)
UP TO 5% IN SIGNIFICANT SAVINGS IN ZINC CONSUMPTION
10
15
20
30
8
6
4
2
0
1000 1050 1100 1150
Pro
duction d
istr
ibution (
%)
Overcoating (-)1200 1250 1300 1350 1400 1450 1500
CLOSED LOOP CONTROL Standard deviation of <1g/m2
can be reached in less than 150 meters
CLOSED LOOP CONTROL Overcoating ratio can be significantly reduced, resulting in significant saving in zinc consumpion
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DANIELI DEVELOPED ROBOTIC SYSTEMS IN THE ZINC POT AREA
ENHANCING COMPETITIVENESS OF GALVANIZING PROCESS
OPERATING RESULTS> Significant zinc savings
> Return of investmentwithin 1 year
> Save operator time whileimproving healt and safety
> Continuous, repetitive and flexible dross skimming
> Automatic adaption to the bath level
> Compact dimensions
> Low maintenance
> Fully integrated in the automation L1 system
DANIELI DEVELOPED ROBOTIC SYSTEMS IN THE ZINC POT AREA
ENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
LESSOPEX
ENHANCINGOPERATORSAFETY
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DANIELI LATEST ORDERENHANCING COMPETITIVENESSOF GALVANIZING PROCESS
UPGRADES FOR 2 HOT DIP GALVANIZING LINESClient: Hoa Sen, Vietnam
SCOPE OF SUPPLY> New Gas Analyzers system
> New Snout, Heaters and HNx system
> New Roll Rigs for GI and GL
> New X-JET Air Knives
> New Non-Contact Edge Baffles
> New APC ducts, manifolds and fans
> New Automation control with Closed Loop Control
TARGETS> Reduce average coating weight
> Increase surface quality
> Reduce maintenance and production costs
> Improve coating uniformity
> Reduce edge overcoating
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INDEXCOLD MILLS AND STRIP PROCESSING LINES:NEW SOLUTIONS ENHANCING COMPETITIVENESS
1. DANIELI’S PRIMARY MISSION
2. ENHANCING COMPETITIVENESS OF DISCONTINUOUS COLD MILLS
3. ENHANCING COMPETITIVENESS OF GALVANIZING PROCESS
4. CONCLUSIONS
CONCLUSIONS
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NEW SOLUTIONS FOR NEW NORMALCONCLUSIONS
The market has become highly competitive, forcing producersto reduce costs and improveproduct quality and productivity
With the latest technologies,Danieli is providing answersfor these ambitious targets
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DANIELI / SINCE 1914PASSION TO INNOVATEAND PERFORMIN THE METALS INDUSTRY
This document contains proprietary information of Danieli & C. Officine Meccaniche S.p.A., not disclosable, not reproducible. All Rights Reserved.
RUEDIGER HOLZDANIELI WEAN UNITED COLD MILLS AND STRIP
PROCESSING LINESNEW SOLUTIONS ENHANCING COMPETITIVENESS
2018 SEAISI CONFERENCE& EXHIBITION25-28 JUNE 2018JAKARTA