Processing of Polymetallic Materials Requires Flexible and …
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Fig. 9 Improved access for Harris cylinder
As a result of the improved overall plant layout, there was more space to implement
a new platform which allows the operator to get a safer access to the Harris cylinder
(Fig. 9). The whole equipment is made of one part, so that the time in between
equipment removal and installation could be shortened.
For the floor of the working platform (Fig. 10), a standard concrete according to
DIN EN 206-1/DIN 1045-2 was prepared according to a special recipe. At elevated
temperatures, this generates a porosity which then takes the produced water vapor
and avoids cracking of concrete by releasing the additional volume into those porous
spaces. For the lead refinery, a massive concrete plate was used for the platform, and
Fig. 10 Developed concrete mix for metallurgical applications
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