14 HEIMBACH
Pulp Paper & Logistics
Figure 6: Vacuum pump shut off: Energy saving Figure 5: Planned life reduction: Lower costs, increased profit 3
it an additional, although lower unquantified, energy saving to the roll drives.
Advantages for the Energy Balance: Removal of two uhle-boxes
– offset by increased nip dewatering was equivalent to an energy saving from the pump of 989,520 kWh, or €69,266 in 217 days, meaning a saving of about €113,000 per year.
Summary The cases described here indicate the high level of complexity of the energy balance. In addition to the individual comments on energy saving this highlights two significant results. First: On the basis of great
variability the differing characteristics of the modules of Heimbach multi-axial felts create the required behavioural unity for each position: the ‘individually balanced dewatering’.
Second: Positive answers
to questions of reducing energy consumption basically initiated in the press section are substantially determined by the machine clothing – and by the optimisation of dewatering systems that the clothing makes possible. More informaton from Dipl.-Ing Olli Kääpä, Vice President of Sales, Heimbach GmbH & Co. KG. Email:
olli.kaapa@heimbach.com
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September 2012
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