„GreenScreens“

What does a screen really cost?

Quelle/Source: RHEWUM GmbH

1 Strompreisentwicklung in Deutschland: Quelle – Bundesverband der Energie- und Wassertechnik • Development of the electricity price in Germany: Source – Federal Association of German Energy and Water Engineering

Quelle/Source: RHEWUM GmbH

2 Strompreise in Deutschland – linear extrapoliert nach den jüngsten Entwicklungen • Electricity prices in Germany – linear extrapolation based on recent developments

Quelle/Source: RHEWUM GmbH

3 Einteilung von Siebmaschinen • Classification of screens

Quelle/Source: RHEWUM GmbH

4 Direkt angetriebene Siebmaschine, Typ RHEWUM WA • Directly drive screen, type RHEWUM WA

Quelle/Source: RHEWUM GmbH

5 Linearschwingsieb, Typ RHEWUM UG • Linear-motion vibrating screen, type RHEWUM UG

Quelle/Source: RHEWUM GmbH

6 Vergleich von Siebmaschinentypen in Siebeffizienz und Siebleistung • Comparison of screen types in terms of screen efficiency and screen capacity

Quelle/Source: RHEWUM GmbH

RHEWUM-Siebanlage fertig für den Versand • RHEWUM screening plant ready for shipping

Quelle/Source: RHEWUM GmbH

Summary: Which criteria are decisive when purchasing a screening plant? In addition to the investment costs of screens, the running costs over their years of service should be taken into account in any buying decision. In addition to the unavoidable maintenance, one key if not obvious cost driver is the energy consumption of the type of screen used. In the following, the total cost of ownership of different types of screen is considered.

1 Motivation

In times of generally rising energy costs, besides the costs for basic fuels, such as coal, oil and gas, the costs for secondary fuels, for example electric power, are also increasing. The latest developments show that especially in Germany, on account of the energy transition introduced in the country, the costs for power will increase disproportionately at least in the mid-term. Whether the additional extraction of shale gases, about which frequent reports appear in the media, will significantly combat this price trend, seems questionable. Accordingly, plant operators should...