Module 5 energy

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Energy in laundries

Introduction

During the last decade, the costs for energy have increased by more than 100 %. As washing and drying of textiles are energy consuming processes, energy costs have become a massive cost factor for laundries.

In addition, saving energy is a key issue for protecting the environment. For example, for each kWh of energy 0.2 kg of CO2 is produced when using natural gas, and with other energy sources this value is even higher. These values sum up to 120 to 150 kg of CO2 for each ton of steam which is produced in a steam generator. 

For this reason, module 5 shows possibilities of reducing heating energy in washing processes and opportunities of optimizing drying processes with regard to energy consumption.

 

Chapter No

Learning content
duration: 2 days

Amount
of charts

method

1

Energy sources in laundries

10

P

2

Usage of energy in laundries

23

I

3

Survey possibilities of energy saving

22

I

4

Heating energy and heat exchangers

33

P

5

Effects of modern dewatering processes

10

I

6

Energy recycling in dryers

20

P

Learning targets

After finishing the module you will:

know where energy saving potentials are within laundry processes

be able to name energy saving measures and know how to apply in practice

have a basic knowledge about heat exchangers in wash processes

know the advantages of using heat exchangers in wash processes

know about the best practices to optimise the mechanical dewatering of laundry

have an idea to optimise the thermal drying of laundry

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