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Doemens training and pilot brewery can boast a new highlight: an Andritz SE 630 MD mash filter! The mash filter donated by Andritz Separation has a chamber volume of 118 l and can thus hold almost 100 kg of malt grits. This makes the mash filter an excellent match for the existing Doemens 5 hl brewhouse. At a pressure between 0.8 and 1.2 bar, the wort is extracted within one hour.

Doemens now has a brewhouse that is unique worldwide, in which both wort extraction with a lauter tun and with a mash filter can be demonstrated for students. The mash filter was mounted on rolls for this purpose and can be connected to the brewing system with flexible piping. When using the lauter tun, the mash filter can be easily removed from the brewhouse.

In order to provide the appropriate powder grist quality, the Doemens milling room was expanded to include a hammer mill. By integrating the mash filter into the existing Braumat control system of the brewhouse, operation can be either fully automatic or manual. During the initial brews, the mash filter performed well, operating it was not complicated. But, more importantly, the quality of the wort obtained was outstanding in all parameters!

The entire mechanical integration, including the provision of the material free of charge for Doemens as well as the entire planning process, was carried out by the company Ullrich Anlagenbau. It was particularly important that the time schedule was strictly adhered to, as the integration in spring 2023 clashed with the master brewing sessions of our brewing and beverage technologists and our brewmasters. The promised installation dates and times were met in time.

Details that Ullrich Anlagenbau’s planners and fitters came up with were also notable. In addition to the possibility of removing the mash filter from the brewhouse when it is not needed, easy connections with the pipes and good accessibility were also included.

Conclusion: The project was a prime example for the implementation of new plants in an existing operation!