energy savings case study

cost reduction case study - bakery

The Ovens are the most energy consuming equipment .
fuel used to fire ovens are hsd , ldo , rfo ,lpg and electric.
Different startegies have been adopted by bakery industry
engineers to reduce the fuel consumption and fuel cost .
The temperatures required for baking varies from
180 deg c -- 350deg c for bakery products .Oven has got
4-5 baking zones .

Finding Out Cheap Fuel .

The first strategy is to switch fuel from higher cost to lower cost fuel with same calorific value or with
better value for money .

Companies have switched to RFO ,CNG OR SKO fOR SAVINGS in cost of fuel .

Energy efficient burners

The Bakery professional have installed high pressure burners dual stage burners from
conventional low pressure single stage burners .This has reduced the fuel consumption to signifcant
level .

Heat Recovery

Flue gas carries substantial amount of heat which are passed out to environment through stacks .
These heat can be recovered and can be used to fire the last zone of baking oven as temperatures
required are very low in the last zone .Heat recovered can also be used for heating purpose .

Insulation

Heat losses are prevented through proper insulation of oven periodically .

Higher hp motors are replaced by low hp motors after studying the load pattern .

All aluminium casted blade of cooling tower are replaced by FRP blades which results in substantial
savings of energy.