Bakery Products

How to Increase Service Life and Safety When Pumping Bakery Products

This is how you benefit from NETZSCH pumps when pumping bakery products 

Croissants, biscuits, doughnuts - who doesn't love them? As popular as baked goods are, their production often poses unexpected challenges. This is precisely what a southern German company for confectionery products faced when pumping the bakery products.

Together with the global specialist in complex fluid management, NETZSCH Pumps & Systems, the company found a sustainable solution for pumping bakery products. We will show you how to pump your bakery products safely and in compliance with the highest hygiene standards in the future.

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Pumping bakery products: These challenges must be overcome 

The southern German company was challenged to pump bakery products with a high proportion of protein and sugar from a container into moulds in precisely metered quantities. The bakery product pumps used up to now could not guarantee a continuous mixture supply. This is due to the unique properties of the medium. For example, its specific weight is significantly lower than that of water. In addition, the biscuit mass has an abrasive effect on the pumps. The reason for this is the sugar crystals it contains. This leads to an additional load on the conveying systems, not to mention the high demands on hygiene and food safety. Together with NETZSCH, the company found the optimal solution for effectively pumping the bakery mass and was thus able to optimise the process.

How to increase the dosing accuracy when pumping bakery products

High dosing accuracy, adherence to the highest hygienic standards with maximum service life, and operational reliability: The requirements for pumping the bakery products are just as broad as the NETZSCH product portfolio. The choice ultimately fell on a NEMO® SH Plus hygienic pump with bearing block in this particular application. Thanks to progressing cavity technology, these pumps can precisely dispense to five to three percent, depending on the size, regardless of the consistency of the medium. Smaller dispensers even achieve a volumetric accuracy of one percent. This is made possible by the geometric pairing of the rotor and stator, which creates uniform conveying chambers during rotation. The bakery products are pumped into these chambers in equal quantities. Another advantage is that the volume can be infinitely adjusted via the speed. In this way, the company can now pump 450 and 3,500 litres of pastry mass per hour at one bar into the baking moulds, thus quickly achieving the required dosing accuracy.

3500

litres per hour throughput volume

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The NEMO® BH hygienic pump in compact block design is used for hygienic applications in the food, pharmaceutical, cosmetic and chemical/biochemical industries. 

Pumping bakery products: Easy cleaning & highest hygiene standards

Hygiene plays a decisive role in the food industry, including pumping bakery products. For this reason, NETZSCH developed an innovative solution for power transmission between the drive and the rotor, which also benefits the southern German company for confectionery products. Due to the complex medium, the power transmission in the NEMO® SH Plus hygienic pump takes place via a flexible rod. Open joints would wear out quickly due to abrasion, and joints filled with oil are prohibited regarding food safety. Therefore, the choice fell on the flexible rod hermetically sealed at both ends with the connection points. The ingress of impurities is thus excluded. It also works without moving parts, friction surfaces and lubrication. This gives you high operational reliability and a long service life with low maintenance costs.

Another decisive advantage of the hygienic pump when pumping bakery products is that it is easy to clean. The flow-optimised, dead-space-free geometry of the pumping area allows natural cleaning on site without removing the pump from the system. For this purpose, the bakery flushes the pump for 20 minutes with 60 °C hot water at 400 rpm. Due to the unique design and the materials used, especially stainless steel and highly robust elastomers, the conveying elements are not damaged in the process. By switching to a NEMO® hygiene pump for pumping the biscuit mass, the southern German company increased production efficiency while maintaining the highest hygiene standards. You, too, can benefit from the long-term experience of the experts at NETZSCH in conveying complex media.

NEMO® SH plus hygienic pump with bearing block 

  • Medium: Pastry mixture
  • Throughput volume: 450 and 3,500 litres per hour
  • Pressure: 1 bar
NEMO® SH Plus Hygienic Pump With Bearing Block, NETZSCH, Pumps, Systems