A self-breaking material bridging circulation dryer and its process system

Abstract

A circulating drying machine capable of automatically breaking a material bridge comprises a hot-blast stove (1), a heat exchanger (2), an air blower (3), a smoke induced draft fan (7), a drying machine body (6), a feeding port (18), a smoke pipeline (4), a hot air passage (5), a flow distributor (15), a reciprocating intermittent discharging device (8), a lower conveyor (10), a moving conveyor (9) and an elevation conveyor (11). With the drying machine, the bridge phenomenon of dry materials in the prior art is effectively eliminated, the materials completely depend on the dead weight to alternate, stagger and flow at the differential speed in the drying machine, the machine is suitable for bulk materials with the relatively good liquidity and also meets the requirement for smooth and intermittent flow of materials having the relatively high holding resistance, the universality of the drying machine is substantially improved, the drying machine is simple in structure, convenient to operate and wide in application range, the drying energy consumption is reduced, the cost of equipment is reduced, and the drying efficiency and the productivity of the equipment are increased.

Description

technical field [0001] The invention relates to the field of material circulation drying technology and equipment, and more specifically relates to a self-breaking material bridging circulation dryer and a process system thereof. Background technique [0002] Irregular, internal friction and mutual containment resistance bulk materials, such as cassava chips, corn ears, walnuts and high-humidity grains mixed with stems, are prone to bridging and cause flow failure during the free flow process in the body , when drying such materials, the drying process adopted is mainly designed according to the processing method of flat bed dryer, box dryer or mesh belt dryer, and their common disadvantages are long drying time, high energy consumption and low efficiency , The cost is high, how to avoid the bridging phenomenon in this kind of free flow process, realize the circulation drying, greatly improve the drying efficiency and the production capacity of the equipment is a major probl...

AI Technical Summary

Problems solved by technology

[0002] Irregular, internal friction and mutual containment resistance bulk materials, such as cassava chips, corn ears, walnuts and high-humidity grains mixed with stems, are prone to bridging and cause flow failure during the free flow process in the body , when drying such materials, the drying process adopted is mainly designed according to the processing method of flat bed dryer, box dryer or mesh belt dryer, and their common disadvantages are long drying time, high energy consumption and low efficiency , the cost is high, how to avoid the bridging phenomenon in this kind of free flow process, realize the circulation drying, greatly improve the drying efficiency and the production capacity of the equipment is a major problem that has not been solved for a long time

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