Innovative Industrial Projects: Finding Savings in Heating...
Transcript of Innovative Industrial Projects: Finding Savings in Heating...
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Finding Savings in Heating and Cooling Applications
Tim Kolp Session Lead
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HVAC continues to bring energy saving opportunies
Industrial Savings We have seen
upwards of 35% savings in industrial facilities
Today we will explore three approaches.
Let’s keep this an open and interactive discussion
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Presentations From
General Electric – David Sudbeck
Briggs & Stratton – Steve Hinkens
Volvo – Bert Hill
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Imagination at work
GE Power – Greenville, SC HVAC Enthalpy Controls David Sudbeck May 10, 2016
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We are the world’s first and only digital industrial company. 350,000 employees operating in 175 countries.
version 11/2015
We Are GE
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GE is transforming
Industrial Consumer Financing
Divest
Alstom
Renewables
Thermal
Grid
GE Power
GE Energy Mgmt
GE Oil & Gas
GE Lighting
GE Aviation
GE Transportation
GE Healthcare
Vertical Finance
Digital
GE Digital
Predix
Culture + Transformation
Invest + Disrupt
The first Digital Industrial company
Capital
Synchrony
Appliances
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Big Data Information Action Savings
Var Cost
Base Cost
COQ
Inventory $$
Brilliant Factory …
Etc…
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Greenville Gas Turbine Manufacturing
• Factory built in 1968 (48 years old) • 1.5MM square feet of manufacturing space • 6000 refrigeration tons of HVAC capacity • 3300hp compressed air capacity • 2600 high bay fixtures • $20MM annual utilities cost
Sensor Enabled Improvements • Upgraded to high efficiency HVAC controls • Installed smart utility metering • Integrated plant wide monitoring and
diagnostic network • Reduced leaks and non-productive loads • Developed predictive energy cost models
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HVAC Enthalpy Controls
Problem: Rooftop HVAC units, ~6000 tons (72MM BTU) capacity, were past their efficient life cycle.
Should we replace or upgrade?
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Sometimes it’s worth a million dollars
Smart power meters installed on two 60 ton HVAC units on manufacturing roof. Unit 1: Upgraded the controls for enthalpy “free cooling” Unit 2: Maintained existing controls. Monitored the power consumption for 6 months.
A picture is worth a thousand words…
Proof of Concept on Two Units
Showed 50% reduction…projected $1 million annual savings
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HVAC status at a glance
Detailed view of mechanical, temperature and alarm state for individual units only a single click away
New Controls Implemented
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$960K saved in 2014, $1MM saved in 2015 ~50% energy reduction from 2013
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Energy Price Forecasting
Problem: Volatile day-to-day pricing has big $ impact
Can we predict and react?
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Extreme weather events push short term energy costs up 5X to 10X
Year 2013 2014 %change # changekWh Used 10,270,932 9,133,044 -12% (1,137,888) Cost 524,516.63$ 626,376.65$ 16% 101,860.02$ $/kWh 0.0511 0.0686 26% 0.0175
$-
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Electrical usage vs. costJanuary 2013 and 2014
Day of Month
Utility provides the next days rates approximately 9 hours
before they are applied
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Five Day Energy Forecast for Energy Cost Avoidance
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Briggs & Stratton Innovative Thermal System Projects
Burleigh Ventilation Project
Steve Hinkens Corporate Energy Manager
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Briggs & Stratton • World’s largest producer of gasoline engines for outdoor power
equipment.
• North America’s number one manufacturer of portable generators and pressure washers.
• Leading designer, manufacturer and marketer of lawn and garden and turf care through our Simplicity®, Snapper®, Ferris® and Murray® brands.
• Briggs & Stratton products are designed, manufactured, marketed and serviced in over 100 countries on six continents.
• We employ 6,000 employees worldwide, 5,000 US employees
• Manufacturing Facilities in Auburn, AL; Statesboro, GA; Milwaukee, WI; Murray, KY; Poplar Bluff, MO; Munnsville, NY; Holdrege, NE; Kansas City, MO; Chongquing, China; Sydney, Australia
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Engine Power Products Power Products
Products
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Why Energy Matters? • Responding to our customers’ demands.
• We spend $16,000,000 a year on energy.
• Energy prices will continue to go up over time
• Efficiency and Value Creation are core strategies at Briggs & Stratton.
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Energy Policy and Goal • Signed Energy Policy in 2009, incorporated into
Employee Business Integrity Program • First Sustainability Report published July 2009 • Tracking and publishing energy related metrics
according to the Global Reporting Initiative • Dept. of Energy’s (DOE) Save Energy Now
LEADERS Pledge helped define our goal • Projects and Opportunities define our savings
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Energy Project Decision Making
• Facility Energy Teams develop and discuss efficiency projects throughout the year at monthly meetings.
• Energy Projects are viewed equally with other cost reductions in the lean manufacturing environment and help to support our commitment to sustainability.
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Barriers to Efficiency Projects • Global Economic Conditions • Energy projects must compete with future
product line enhancements including marketplace demands and environmental regulations
• Advanced technology has unknown costs
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Burleigh Ventilation Project • Opportunity: Reduce the cost of heating and
ventilating a 1MM SF manufacturing facility • Study initiated in conjunction with WE Energies,
Franklin Energy and Wisconsin’s Focus on Energy • Outside engineering firm performed thermal energy
audit to determine baseline and opportunities for improvement
• Study showed that many fans and MAU’s were running during unoccupied times
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Project Overview • Add eight new direct fired MAU’s to the plant,
shutting down eight older less efficient units • Add new control system to existing BAS in order to
enable and monitor operation of 18 MAU’s and 40 exhaust fans. Units previously on manual control.
• New controls will operate with Wi-Fi wireless relays communicating over Briggs’ guest network
• Allows facility staff to schedule runtimes and to shut equipment down when facility is not in operation
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Project Overview • Previously, equipment was operated with manual
controls • Airflow sensors will be installed throughout the plant
to control air balance and create a more comfortable environment
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Makeup Air Units • Old • New
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Control Modules • Old Controls • New controls
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Cost and Performance Data • Project Cost: $494,000 • Energy Savings: 345,373 kWh and 176,817 Therms • Equivalent to 18,860 MMBtu or 6.3% of plant wide
energy use • Cost Savings: $137,600 • Wisconsin’s Focus on Energy incentive $155,300 • Simple payback 3.6 yrs without grant 2.4 yrs with
grant
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Implementation Challenges • Getting buy-in from Corporate IT to use their wireless
network for communication link between devices • Physically improving the network to handle the
additional traffic – required capital funding • Convince maintenance that this project would make
their job easier and improve operations – manual to automated controls
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Non-Energy benefits • New controls will allow automated programming
control of the equipment vs. manual control • Environment of the plant will be improved with better
ventilation due to more precise temperature and airflow control
• IT will be able to use the improved WiFi network to automate production and inventory control functions
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MARCH 2016
VOLVO GROUP NORTH AMERICA TRUCKS | ENGINES, TRANSMISSIONS & AXLES | CONSTRUCTION EQUIPMENT | BUSES | PENTA | FINANCIAL SERVICES
Volvo Group North America Energy Milestones
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Volvo Trucks North America
Engines and Transmissions
Volvo Construction Equipment
Volvo Buses: Volvo, Nova & Prevost
Volvo Penta
Volvo Financial Services
Truck Development and Testing
Mack Trucks
Operations / Manufacturing
Headquarters
VOLVO GROUP NORTH AMERICA TRUCKS | ENGINES, TRANSMISSIONS & AXLES | CONSTRUCTION EQUIPMENT | BUSES | PENTA | FINANCIAL SERVICES
Facilities in North America
MARCH 2016
Engineering
Mack Trucks and Volvo Trucks
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VOLVO GROUP NORTH AMERICA TRUCKS | ENGINES, TRANSMISSIONS & AXLES | CONSTRUCTION EQUIPMENT | BUSES | PENTA | FINANCIAL SERVICES
Lehigh Valley Operations • One-million-square-foot plant in Macungie, Pennsylvania, in the
Lehigh Valley
• More than 1,100 employees
• Manufactures entire Mack North American product line
• Certified to ISO 9001 Quality, ISO 14001 Environmental Management and OHSAS 18001 Health & Safety standards
• Member of the U.S. Department of Energy Better Plants Program with commitment for 25% energy consumption reduction by 2025
• First facility in the United States certified to ISO 50001/ANSI MSE 50021 (Superior Energy Performance) – Platinum Mature Pathway
MARCH 2016
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VOLVO GROUP NORTH AMERICA TRUCKS | ENGINES, TRANSMISSIONS & AXLES | CONSTRUCTION EQUIPMENT | BUSES | PENTA | FINANCIAL SERVICES
Radiant Heating Project
• Forced air/hot water comfort heating system identified as the largest Significant Energy Use (SEU) identified during implementation of ISO 50001/Superior Energy Performance systems
• Comfort heat responsible for ca. 24% of the building’s energy use
• Analysis showed forced air/hot water system could be replaced with 123 140,000 Btu Radiant Tube Heating units
• Good success with smaller scale radiant heating applications at other sites
MARCH 2016
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VOLVO GROUP NORTH AMERICA TRUCKS | ENGINES, TRANSMISSIONS & AXLES | CONSTRUCTION EQUIPMENT | BUSES | PENTA | FINANCIAL SERVICES
Radiant Heat Principles and Benefits
• Infrared energy passes inertly through the air, dissipating as heat upon contact with solid objects
• Radiant heat takes only minutes to reach comfort temperatures, so energy is never wasted in prolonged warm-up times
• Ideal in areas of high air infiltration
• Minimizes roof heat losses - reduced stratification
MARCH 2016
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VOLVO GROUP NORTH AMERICA TRUCKS | ENGINES, TRANSMISSIONS & AXLES | CONSTRUCTION EQUIPMENT | BUSES | PENTA | FINANCIAL SERVICES
Project Outcome
MARCH 2016
• Six additional heaters had to be added to address cool areas
• 97% reduction in electricity and 36% reduction in natural gas used for comfort heating
• $215,000 in annual savings
• 3.5 year simple payback
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Open Discussion - Questions
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Enjoy the Remainder of the Summit
Thank you