Heater for product stream

摘要

The device has a product carrying channel (2) through which the product flows and an arrangement for producing high frequency electrical alternating fields with electrodes (8,9), electrode connections (10,11) and an a.c. field generator. The electrodes are arranged in the product carrying channel. The electrodes are arranged on opposite sides of the channel and the device has at least one electrode pair. An independent claim is also included for the following: (a) a method of heating product flows, especially flows of fruit or food product flows containing pieces of fruit.