multi-product belt dryer for pasty and / or powdery products, in particular for sludge or biomass sludge

摘要

Patent Summary: "Multi-product belt dryer for pasty and / or powdery products, in particular for sludge or biomass sludge". The present invention relates to a multi-product belt dryer comprising: a first air-permeable conveyor belt (2) over which the products to be dried are made to perform a first drying path; at least a second air-permeable conveyor belt (3) to ensure at least a second product drying path (m3) after the first; air blowing means (10); blown air heating means (14) for drying the products, and a drying air distribution circuit for the products and belts; the drying air circuit is provided for the drying air to flow downwardly (d) through the products to be dried and the belts, and an air reheating means (15) is provided between the two paths to reheat the air. air that has traversed the product layer over the first belt (2) before it crosses the product layer over the second belt (3).