Experimental Study on Far Infrared and Cross Flow Combination Heating System for Vegetables Drying

Based on the shortcomings of hot air with the material contact area was small and other problems in the current advection combination heating vegetables dehydrator, has carried on the improvement of cross-flow supply the wind technology. The technology of air-supply and air-induced at single side was adopted, facilitated the general layout of the equipment, the technology of air-supply at two ends and variable cross-section, enhanced the longitudinal and crosswise uniformity of air-supply, the common punching plate structure of conveying chain plate was adopted, which has met the request of two-sided transportation at the cross-flow supply the wind. Based on this, has carried on the dehydrated drying experiment for cabbage and carrot, it was indicated that comparing with single far infrared radiation heating, saving energy consumption 17.9% and 14.2% respectively when the cross-flow combination heating was adopted. This article has laid a good foundation for this equipment´s further study and industrial production.