Refrigeration Efficiency
Refrigeration Efficiency
Refrigeration Efficiency
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<strong>Refrigeration</strong> <strong>Efficiency</strong><br />
It begins with the Operators<br />
Todd Toburen<br />
Plant electrician<br />
Alpenrose Dairy
Good Operator Traits<br />
A solid fundamental base<br />
Diligence<br />
TRAINING
TRAINING<br />
Energy Trust of Oregon partnered with<br />
Cascade Energy to deliver the ROC.<br />
– ROC: <strong>Refrigeration</strong> Operator Coaching<br />
Goal: Help refrigeration operators maximize the<br />
energy efficiency of their existing refrigeration<br />
system.
How did Alpenrose benefit ?<br />
Baseline energy usage: 5,200,000 kwh<br />
Annual energy savings: 998,071 kwh<br />
<strong>Refrigeration</strong> energy savings of: 19.2%<br />
Total site energy savings of: 10.2%<br />
Annual savings of: $64,875
Perception is not reality<br />
There was nothing wrong<br />
Cooler was cold. Freezer was frozen<br />
Evaporators were defrosting<br />
Suction pressures were fine<br />
Discharge pressure was normal
Cost to Alpenrose<br />
Time<br />
– Training, implementing action items, follow<br />
up, tracking.<br />
Capital expenditures<br />
– None
How did we do it<br />
Tracking<br />
– Web Based (eSight)<br />
– Manual meter reading<br />
Action Item List<br />
– Create a list of tasks to perform to improve<br />
efficiency.<br />
Follow up<br />
– Ensure you are achieving desired results.
Most effective changes<br />
Increasing suction pressures<br />
Lowering defrost temperature<br />
Valve cluster operating verification
Conclusion<br />
Participation in the ROC has helped Alpenrose develop a<br />
keen eye for refrigeration efficiency, while keeping safety,<br />
and the laws and regulations mandated by PSM as the<br />
number one priority.<br />
There is no finish line to refrigeration efficiency.
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