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Impeller casing of a centrifugal pump cut open for demonstration purposes

Accurate dosing | Part 5 of the pump series of articles describes a specific task of pumps. Dosing pumps are used for accurate dosing of cleaning chemicals, water treatment, beverage mixing and filter aids and stabilisers.

Best of two worlds | The historical region of Tyrol, now divided between Austria and Italy, is located in the eastern part of the Alps. The people of the Italian South Tyrol speak German, but identify themselves primarily with the culture of winemaking, not brewing. We talked about the position of brewing in modern South Tyrol with Gerhard Sanin, a winemaker and brewer who heads the Weingut Moser winery and the Mendelbier brewery located under the same roof.


Small brewing plant | About six metres high, with an unusual tank design enclosed by a spiral staircase, the fully automatic Flecks Helix is a real eye-catcher. Who built the tower brewhouse? What was the idea behind it, and – first and foremost – what are its notable technical features?


Pure malt grist | To help businesses facing the challenge of rising costs and fluctuating raw material qualities, Bühler introduces its innovative DDH Dry Dehusking technology. By replacing the hammer mill with a roller mill in mash filter applications, the new system increases brewhouse capacities, compensates for different malt qualities and allows for significant energy savings, less wear and reduced risk of explosions.


High-viscosity media | The fourth part of this series of articles “Pumps in the beverage industry” deals with pump types which can also pump high-viscosity and, in some instances, media containing solids such as yeast suspensions, mash and spent grains: rotary piston pumps, impeller pumps, single-spindle pumps and peristaltic pumps.


New project | As part of the modernization of its Golden Brewery, Molson Coors Beverage Company, USA, has placed a major order with Ziemann Holvrieka GmbH. The Ludwigsburg-based company will manufacture 118 tanks and install them at the historic Golden, Colorado brewery. In addition to the tanks, the project includes further components, such as their insulation and walkway systems. Ziemann Holvrieka will handle these projects for Molson Coors on a turnkey basis.


Central component | In this third part of the series of articles about pumps, Hans-J. Manger describes a small but essential component of pumps: the shaft seal, as well as the main points for installing centrifugal pumps and avoiding cavitation.


More capacity | Scottish craft brewery BrewDog PLC has ordered the next lauter tun brewhouse from Ziemann Holvrieka GmbH, Ludwigsburg, Germany. With the new brewhouse the brewery will be able to produce up to 12 brews per day, each with 500 hl of cold wort.


Always up-to-date | “Monday moaning meetings” – the start of the week for breweries is frequently met with a groan. It is when the folders and reams of data come out. As one of the breweries pioneering a digital innovation developed in a GEA design sprint, Störtebeker Braumanufaktur can in the future dispense with this paper chaos. GEA InsightPartner Brewery provides real-time data, helping quality control and making the Stralsund-based brewery faster, more productive – and smarter. The tool not only gives Störtebeker an intuitive overview of performance data, but also something even more precious: time.


Components of centrifugal pumps | Centrifugal pumps, in particular rotary pumps and side-channel blowers, play a central role in production of beverages. This second part of the series of articles about pumps describes the design of the drive and pump shaft and explains the requirements relating to these types of pumps used in beverage production.


Introduction and designs | Pumps are central elements in breweries and beverage operations, they are workhorses that keep processes running. A multi-part contribution covers the different common designs and criteria for use of pumps. This first part deals with general questions, pump designs and centrifugal pumps.