Amid the ever-growing demand for food regulation and certification, companies are constantly searching for new output screening solutions.
This case study shows how pistachio and rapeseed powders can be sieved using a Russell Finex 22™ screening machine, in order to consistently obtain the finest grade powder.
Russell Finex has devised a cryogenic method, freezing the powders with nitrogen before the sieving process to help reduce the release of oils, which can result in blocked meshes.
However, blinding of the mesh can still occur, which can reduce flow rates, increase loss of good product and increase downtime in the production process to clean the mesh.
Upgrading the Finex 22™ with the Russell Vibrasonic® Deblinding System eliminates mesh blockage, allowing powders to be screened consistently and effectively. The batches of nitrogen-processed pistachio powder are fed into the Finex 22™, where the vibration of the machine, available in high-speed for difficult applications such as this, sieves the powder through the 500 micron mesh.
An ultrasonic frequency is applied to the mesh, breaking the surface tension, which eliminates mesh blinding and keeps the screen area clear. The undersized good product is extracted, a high-quality uniform graded material.
About Russell Finex
Russell Finex, a global leader in industrial separation technology, supplies a variety of equipment from vibratory sieves, grading separators to ultrasonic deblinding solutions. The company has the experience and expertise to meet your food and beverage application requirements. Contact Russell Finex today to find out more.
