GAS TO ELECTRIC · Electric heating elements (MoSi2) Element T ≤ 1850°C Available in a wide...
Transcript of GAS TO ELECTRIC · Electric heating elements (MoSi2) Element T ≤ 1850°C Available in a wide...
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GAS TO ELECTRICDILIP CHANDRASEKARAN, R&D KANTHALSHTE-KONFERENS 2019
1 KANTHAL: Title of presentation
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OUTLINE
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• Introduction
• Why go Electric?
• Some examples
• Enablers for Gas to Electric
• Summary and Challenges ahead
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7,900ACTIVE PATENTS ANDOTHER IP* RIGHTS
3.5BILLION SEKANNUAL R&D INVESTMENT
150COUNTRIES AROUND THE GLOBE
SALES IN OVER
43,000EMPLOYEES
BILLION SEK
INVOICED SALES82
60R&D CENTERS GLOBALLY
Figures refer to Group total 2016 excl. Mining Systems
*Intellectual property
SANDVIK FACTS
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KANTHAL
THE SANDVIK BRAND FOR HEATING
TECHNOLOGY
• Heating Materials - resistance heating and high
temperature alloys for temperatures up to 2 000°C
(3 632°F)
• Heating Systems – products, components, systems
and services for thermal processing
• Broadest range of products and systems for
industrial heating. From raw material to finished
products
• Global R&D with in-depth competence in high
temperature matertals and products4
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WHY GO ELECTRIC?
FINANCIAL PROCESS PLANET
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INCENTIVE IMPROVEMENTS ENVIRONMENTAL
• Financial incentive
• Pay-back
• Productivity
• Quality
• Process control
• Maintenance
• Carbon footprint
• Waste / Emissions
• Work environment
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FINANCIAL
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THE DECISION THAT SLASHED ENERGY COSTS BY 40% AND REDUCED EMISSIONS TO ZERO
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FROM GAS TO ELECTRIC
Although the switch itself from gas to electricity entailed a substantial cost saving, Glassit
wanted a powerful heating system that it could rely on for its process. In addition, the plan
called for the upgrade of furnace zones as well as service and maintenance to keep the system
working effectively and efficiently far into the future.
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GAS TO ELECTRIC - EXAMPLE
KANTHAL: Title of presentation8
Glasopor sustainable development
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FUEL: LNG
CO2: 4,000 TONNES PER YEAR
EFFICIENCY: 30%
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KANTHAL EXPERTISE
• Replace gas burner system with electrical heating
• Reduce CO2 emissions
• Reduce energy consumtion by 30%
• Maintain quality and productivity
• Turn key solution
TARGETS
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FUEL: 100% RENEWABLE ELECTRICITY
CO2: 0 TONS PER YEAR
ENERGY EFFICIENCY: +59%
ANNUAL SAVINGS: 253,000 EUR
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ENERGY COST SAVINGS EUROPE 2018
KEY :
Gas / Electric energy cost comparison
• Dark green – Always a cost saving.
• Light Green – Mostly a cost saving.
• Brown – Sometimes a cost saving.
• Orange – Rarely a cost saving.
*Does not include other savings outside
energy costs.
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SAFETY
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WHY IS THE FUTURE ELECTRIC?
HEALTH AND SAFETY
• No toxic or harmful emissions:
− Electric furnaces and ladle heaters do not introduce NOx, SOx (long term respiratory problems and death) or Carbon monoxide (possibly fatal) into the workspace.
• Improved working environment:
− Electric heating elements are virtually silent in operation, vastly improving working environment. (Gas burners and furnaces can be 100dB+)
− Cooler working environment, due to higher efficiencies electric furnaces introduce up to 5 times less heat into the working environment.
• Reduced explosion / fire risk:
− Removal of gas/fuel/oxygen lines reduces the risk of explosion and fire.
− Uniform drying / heating reduces risk from water vapour explosions.
− All Fossil fuel heaters produce water vapour as part of the combustion process. This can condense in cold ladles and moulds increasing the risk of explosion.
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PROCESS&QUALITY
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WHY IS THE FUTURE ELECTRIC?
PROCESS
• Maintenance and operation:
− Remote and automated operation.
− No requirement to recalibrate burners to maintain efficiencies or combustions safety.
− Easier to move process equipment, no gas, air or oxygen lines to move.
− Uniform heating leads to longer lining lifetime of up to 20%. Less time relining, fewer stops.
• Future proof:
− To reach environmental commitments most countries will have to phase out new and existing fossil fuel systems.
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• Product Quality and Yield:− Repeatable, consistent and uniform heating
processes increases product quality and yield.
− Reduction of slag buildup in primary metals.
− No contamination from combustion products.
QUALITY
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ENVIRONMENTAL
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WHY IS THE FUTURE ELECTRIC
ENVIRONMENTAL
• Electric Furnaces and ladle heaters have
an efficiency of 90-98% compared to open
flame Gas/Fossil fuelled of 15-25%.
• Electrical ladle heaters, furnaces and ovens
do not produce CO2 which leads to global
warming.
• Do not produce toxic gases, NOx, SOx or
Carbon monoxide.
• Automatic regulation and control, only
provides heat when temperature calls for it.
• Can be powered by 100% renewable power
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LADLE HEATER
INSTALLATION
ELKEM, NORWAY
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EXISTING HEATER AT
CUSTOMER SITE
LOCATION ELKEM NORWAY
KANTHAL: Electric Ladle Heating System24
Heater: Diesel oil fired
Power: 600 kW
Efficiency comparison
• Oil burner system: 15%
• Electrical system: 95%
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INSTALLATION ON SITE
FEATURES – LOCATION NORWAY
KANTHAL: Electric Ladle Heating System25
• Two weeks work for installation and commissioning at customer site by Field Service Engineers
• Joint cooperation between customer and Field
Engineers
• Electrical installation by Norwegian partner company
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RESULTS
KANTHAL: Electric Ladle Heating System26
• Much faster heat up cycle
• Cost per cycle, oil: 330 EUR
per cycle.
• Cost per cycle, electric: 60 EUR per cycle.
• Annual Savings: 160 KEUR
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POLITICAL
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EU CLIMATE & ENERGY
2020 PACKAGE
• 20% cut in greenhouse gas emissions
(from 1990 levels)
• 20% of EU energy from renewables
• 20% improvement in energy efficiency
2030 FRAMEWORK
• At least 40% cuts in greenhouse gas
emissions (from 1990 levels)
• At least 32% share for renewable energy
• At least 32.5% improvement in energy
efficiencyKANTHAL: Title of presentation28
The 2020 & 2030 climate and energy package/framework is a set of binding legislation to ensure the EU meets its climate and energy targets
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PARIS AGREEMENT
AS OF FEBRUARY 2019, 194 STATES AND THE EUROPEAN
UNION HAVE SIGNED THE AGREEMENT REPRESENTING MORE THAN 87 % OF GLOBAL GREENHOUSE GAS EMISSIONS
Targets
• Reduce greenhouse gas emissions by
20%
• Increase the renewables share to 20% and
• Increase energy efficiency by 20%
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ENABLERS FOR GAS TO ELECTRIC
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•
•
•
•
•
•
•
• Mechanical strengthat high temperature
• Corrosion and oxidation resistance
• BUT ALSO
• Weldability
• Formability
• Ductility in service
• Cost
New Kanthalalloy family
MATERIALS EVOLUTION
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HEATING SOLUTIONS
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KANTHAL® FLOW HEATERS
Air and gas heating
Outlet T ≤ 1100°C
300°C higher outlet temperature
Compact design
Replaces gas burners
ELEMENTS & CASSETTES
Forced convection furnaces
Element T ≤ 800°C
Compact element design for
optimized heat transfer and
maximized power outputs.
KANTHAL APM™ & KANTHAL APMT™ TUBES
Radiant tubes, thermocouple tubes, muffle tubes etc.
Tube T ≤ 1250°C
150°C higher operating temperature
Increased productivity
FURNACE ROLLERS
Furnace T ≤ 1250°C without need for water cooling.
Large energy savings
Reduced maintenance costs
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SUPERTHAL™
Heating panels and modules
Furnace T ≤ 1750°C
Glass industry
Electronics
Ceramics
Laboratory
KANTHAL® SUPER
Electric heating elements (MoSi2)
Element T ≤ 1850°C
Available in a wide variety of
shapes and sizes
Seven grades for optimized
performance
GLOBAR®
Electronic heating elements (SiC)
Element T ≤ 1625°C
Available in a wide variety of
shapes and sizes
Two grades SD and HD
KANTHAL® AF-TUBES
New line of radiant tubes for vertical applications
Energy saving
Improve work environment
Carburizing, Carbo-nitriding
HEATING SOLUTIONS NEW PRODUCT
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ELECTRIFICATION - SUMMARY
• Need for large-scale (MW-type) heating solutions to replace existing
heating with gas-burner technology (Steel industry)
− Robust, low-maintenance, high productivity
• Development of hybrid solutions, combinine different heating
solutions (Resistance / Radiation, Induction)
− Crucial to adress challenges /advantages with current technology
• Potential to include more ”intelligence” in the heating solution
− Automisation, Control and Predictability
• New products and technology development vital
• Vital with collaborations and partnerships across businesses and
organisations
CHALLENGES AND OPPURTUNITIES
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GO ELECTRIC WITH KANTHAL®
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