ERJ staff report (DS)
Hannover, Germany - Low-hysteresis rubber compounds have been a intense topic of research over recent years, and now conveyor belts are employing similar techniques.
There was no question about the fact that our customers wanted more energy-efficient conveyor belts,â€ says Dr. Tobias Wennekamp, head of the Consulting and Application unit in the 'Mining World' product segment. â€œThe contact point between the idler and the running belt is where about 70 percent of the energy is lost,â€ he explains. â€œSo that's the part that harbours the greatest savings potential.â€
â€œWhen it comes to saving energy, the main challenge is to find the right rubber compound,â€ said Wilhelm Schrand, head of Research & Development at the Conveyor Belt Group. â€œOur objective was to find the material with the least possible interior damping.â€
After considerable work, the group has developed a compound which absorbs 25 percent less energy. Wennekamp said, â€œâ€œWith a conveyor system measuring 5,000 metres and with an hourly capacity of 30,000 tonnes, our new development saves 8,900 tonnes of CO2 per year.â€
Conti said a combined length of more than 140 kilometres of this new, energy-efficient conveyor belt are in operation - and the trend is upwards.
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Press release from Continental