Recently, the two-zone four-channel dryer with international advanced level jointly developed by Shenyang Yitong Venture Drying Equipment Co., Ltd. and Northeastern University, Shenyang Chemical Engineering Institute and other units passed the identification of the Science and Technology Department. It broke the monopoly of a four-channel drying machine for a large foreign company and made contributions to improving China's drying technology.
The two-zone four-channel dryer is successfully developed on the basis of single-channel dryers and three-channel dryers, and has the advantages of high drying efficiency, low VOC emissions, and a wide range of applications. Adopted a series of international leading technologies, such as turbulence disturbance technology, multi-channel gas-solid two-phase flow heat and mass transfer technology, modal analysis technology, thermal finite element technology, dual zone drying quasi-steady state model analysis, and other innovations of the turbulator (turbulator), movable jaws, sleek serrated copy boards, and continuous curved copy boards.
Due to the effect of special turbulators, the material is not in contact with high-temperature hot air in the dryer, which avoids charring, over-drying, etc., reduces VOC emissions, and hot air is rapidly dispersed evenly through special turbulators. And significantly reduce the wind speed, fully contact with the wet material, and then enter the second area, gradually increase the wind speed, quickly take away the dried material. Therefore, even fibrous materials such as oil palm fibers, coir fibers, etc., or high viscosity materials such as sludge, cassava residues, potato dregs, etc., can be unobstructed and quickly dried without clogging and sticking.
The four channels are not only suitable for the drying of small particles, such as shavings, sawdust, sawdust, straw, etc., but also particularly suitable for fiber drying, grass drying, bagasse drying, beet residue drying, animal protein drying. In agriculture, forestry, environmental protection, feed and other industries have broad application prospects.

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