Analysis of technology and machining devices for cleaning onion in the food industry

¹ Łukasiewicz Research Network - Industrial Institute of Agricultural Engineering, Department of Foodstuff Technics and Technology, Poznan, Poland
² Poznan University of Technology, Faculty of Mechanical Engineering, Poznan, Poland

^* Corresponding author: pawel.wozniak@pimr.lukasiewicz.gov.pl

Abstract

Over the last few years, the fruit and vegetable processing sector has recorded a systematic growth and thus strengthens its position within the food industry in Poland. The article presents the varieties of onions grown in Poland for processing purposes with the growing and storage periods, as well as technological treatments of mechanical cleaning onion. The division of individual stages of the processing process will be characterized with various methods of removing the root, tops and skin in vertical and horizontal technology. Machining tools for removing the root and tops as well as systems for cutting and removing skin will be presented. The authors will present the results of the onion processing stand tests, including exemplary processing tools, taking into account the advantages and disadvantages of the applied technology.