Supported by

EIE/04/246/S07.38678

 

 

 

Benchmarking and Energy management Schemes in SMEs

 

Measure List Industrial laundries

 

To download this list in Excel format click here

 

Process-related Improvement Opportunities

 

Energy Efficiency Measure

Description

  1. The power of Ozone for industrial laundries 

Use of Ozone to reduce water consumption

  1. Humidity sensors

Reduction of dryer gas use

  1. Boiler efficiency measures

Reduction of gas

  1. Batch washers

Monitoring of batches to avoid energy and water waste.

  1.  Water monitoring

Monitor the quantity of water used per kilos of goods produced

  1. Re-use of water

An improvement method that contributes to improved efficiencies and cost savings.

  1. Recovery of latent heat from drying process

Recovery and reuse of the latent heat at the drying stage

  1. Hot Oil Systems

More efficient in maintaining and operating systems

  1. Optimise warm rinsing

 

Increase the temperature of the final rinse/reduce drying time

  1. Optimize dryer recirculation

 

Totally switch of the recirculation by adjusting a valve

  1. Properly adjust wringer extractor

 

By readjusting the extractor equipment, reduce the extraction debit from the wringer rollers

  1. Measure drying parameters

 

Compare drying parameters to moisture

  1. Optimize dryer loads

 

Optimally loading the dryer can conserve a significant amount of energy

  1. Optimize wringer loads

 

Optimising loads meaning that controlling the energy consumption of the wringer will conserve energy

  1. Warm soaking

A measure to reduce the washing period.

  1. Optimize balance between preliminary drying and wringing

 

When setting the preliminary drying period, an optimal energetic balance must be sought between the preliminary drying period and the efficiency of the wringer drying process

  1. Replace steam dryers with gas dryers

 

Gas dryers are more efficient that the ones with steam since they do not suffer fro losses

  1. Install wringer hoods

 

Minimizing the escaping warm air

  1. Reuse residual heat for dryers

 

Directly heat the dryer

  1. Shorten drying periods

 

Relevant to measure 20

  1. Install end point detector for full drying

 

Use proper equipment to detect the end point and make the drying period as short as possible

  1. Lift wringer rollers during breaks

 

Energy conservation technique

  1. Do not mix low-value and high-value energy flows

 

Mixing of these two procedures costs in energy

  1. Use a heat pump in drying process

 

A heat pump is highly suitable for recycling the heat and the drying air needed in a drying process

  1. Use targeted extraction

 

Targeted extraction can be used, for example, by using local extractor hoods for process baths

  1. Establish standards for loading washers

A  common base of energy methods has to be prepared in order to for the personnel involved in laundries to be in line

  1.  Soften water

Softening reduces water, chemical and energy use.

  1. Extract as much water before dryer

Energy efficiency method

  1. Washing Machines, Loads, and Temperature Settings

Usage of the most appropriate and adequate equipment

 

For detailed information click here

 

 

                     


Note 1 The sole responsibility for the content of this publication lies with the authors. It does not represent the opinion of the Community.Β  The European Commission is not responsible for any use that may be made of the information contained therein.