Microsoft Word 2012, Källén, M.,-Energy Efficiency Opportunities within the Heat Treatment Industry


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5.2  Energy Housekeeping Measures 

This section includes all energy saving measures that do not need an investment to be 

realised. 

 

5.2.1  Lighting 

The armature in the workshop area was counted to 405 pieces. 38 of these were regarded as 

unnecessary (by only lighting pipes and walls for example) and can be removed without 

decreasing the amount of light in the area. This would save 40.4 MWh/year. 

 

5.2.2  Manual Equipment 

The manual equipment is not used at all during weekends, but is not turned off. The electricity 

consumption was measured for the manual equipment one weekend when the manual 

hardening furnaces were kept at 500°C instead of 950°C and the preheating furnaces and the 

washes were turned off. The electricity consumption for the weekend decreased with 0.97 

MWh, which would give 48.4 MWh/year in decreased electricity consumption.  

 


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