Since steel tubes have been available as tube rounds, idlers have been mainly made from this raw material as they can be manufactured in series at reasonable cost. Compared to these steel tubes, solid...
Working conditions in a coal pulverizing mill are very harsh. Coal dust and vibrations mean materials are subjected to extreme stresses (Fig. 1). The hydraulic compression cylinders used to apply...
At the beginning of 2009, the corrugated edge conveyor operated by ARBA, a company based in Altdorf, Switzerland, was replaced with a new-generation double belt conveyor supplied by VHV Anlagenbau...
Mogensen Sizer technology for processing sand
for renders and mortar renders
1 Changes on the building materials market
Besides the basic mineral materials like gravel, quartz, stone, lime, cement, gypsum, clay, anhydrite and trass, chemical additives and non-mineral additives...
The production of rock salt products from Alpine deposits
by physical processing techniques
Sodium chloride (NaCl) has been mined from alpine deposits in Austria for more than 7 000 years [1]. Formerly, mining was accomplished in two ways: On the one hand, the salt was mined underground and...
Market Outlook and Technologies for the Potash Industry
1 Market Information
The worldwide demand for potash fertilizer is forecast with annual growth rates of 3–5 %. The reasons for this are manifold. First, the world population will grow from the...
In recent months, changes on the global market for crude oil and natural gas have contributed to sulphur processing becoming a more than profitable business sideline. Whereas the raw sulphur price...
On April 23rd in 2009 HOSOKAWA ALPINE unveiled the largest long-gap mill ever built by the company (Fig. 1). The innovative concept behind the LGM 20 consists of an integrated process solution which...
Trouble-free continuous operation of coal-fired powerplants, Cologne/Germany ((01.-02.10.2009)
Improper design of bulk material storing and handling systems can entail reduced operating cycles,...
At a recent mining convention in Las Vegas, Mathias Moritz, MD of Commodas Mining GmbH in Germany, delivered a strong and positive message to delegates: sensor-based sorting machines have impacted on...
