During propagation, circulation and aeration cycles can be controlled using two separate input screens. The circulation rate is controlled by the pump velocity and by the opening angle of the control valve and guarantees an optimal distribution of yeast throughout the wort. Thanks to the preservation of yeast cells, high viability (> 98 %) with extremely rapid cell reproduction rates occurs.
Maximum product safety
The yeast tank is intermittently cleaned by the CIP system, just like a fermentation tank. In this process, spraying devices and the circulation pipe are used to fill the yeast tank with cleaning medium. All pipes can be reliably flushed with individually adjustable flow rates thanks to a screw spindle pump which simultaneously serves as the CIP return pump. In addition, all pipes including the product-conducting and CIP pipes can be sterilized due to the use of the combined air-steam pipe. Through the consistent use of leak-safe double-seat valves including dead-space cleaning, cross-contamination is reliably avoided.