Dredger pumps for the recycling plant | Habermann Aurum Pumpen GmbH

About the project

S***, Bochum, Germany Dredger pumps for the recycling plant

In three different pump sizes (NPK 80, NPK 125 and KBK 200), they convey comminuted, hot meat-bone-fat mixtures. In the process, the water content is reduced with the help of evaporation. The end product: protein meals and fats from animal by-products of the so-called category 3.

Compared to other pumps, a general overhaul was necessary this year after 30 years of operation. After the pumps had been in operation almost continuously for all these years, the KBK pump housing had to be replaced. The corresponding pump housing was already in stock as a spare part (more than 20 years).

Project Summary

Technical details & challenges The temperatures of the pumped media are above 110°C, maximum 120°C; the density is 0.7-0.8 mg/cm3. The fat content is very high at about 80%. The 20% solids are mainly composed of bone and bone meal. The percentage shifts depending on the conveying stage due to the water content there.

Product evaluation after 30 years of use The wear resistance and the large delivery volume of the pumps are at a high level. In addition, due to the perishable nature of the products, the downtimes are very low due to the operating times of six and a half days per week in continuous operation. According to the company, the longevity and the relatively maintenance-free operation as well as the associated high availability also justify the high acquisition costs.

Spare parts After 30 years of operation with comparatively low maintenance work, however, a general overhaul was also necessary for the KBK pump. After the pump had been in use almost continuously over all these years, the pump housing had to be replaced. The corresponding pump housing had already been in storage as a spare part (for more than 20 years). The impeller and the mechanical seal were then overhauled and are now waiting in the spare parts store to be used again.

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Harpener Heide 14, 44805 Bochum, Germany

+49 234 / 893570-0

info@aurumpumpen.de

Harpener Heide 14, 44805 Bochum, Germany

+49 234 / 893570-0

info@aurumpumpen.de

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Why Habermann Aurum Pumpen?

Habermann Aurum Pumpen is one of the leading manufacturers of centrifugal pumps for handling solids-laden liquids. With almost 100 years of experience and an expertise of over 30,000 pumps in use worldwide in a wide range of industrial sectors, we have become part of the global economic system. Our product portfolio includes pumps and valves. Thanks to our in-house engineering, we are also able to solve technically demanding and complex tasks. Our fundamental goal is to develop the most durable and sustainable industrial pumps by combining decades of experience with the latest technology. Our pumps are used in mining and the mineral industry, raw material extraction and the energy industry, the steel industry, chemicals, pigment industry, tunnelling and special civil engineering.