After the drying process in HAUNI's HDT pneumatic tobacco dryer, the processed cut tobacco exhibits entanglement and clumping. This issue significantly affects the stability of cut tobacco moisture and temperature, and also poses a hidden risk to product quality control. This paper analyzes this phenomenon and identifies structural differences in the cut tobacco after heating and humidifying as the direct cause. A loosening device was added at the input of the HDT to reorganize the structure of the input cut tobacco. The effectiveness of this device was confirmed through the fluid analysis software Fluent. Further validation through physical experiments showed that the proportion of cut tobacco clumps decreased from 2.14% to 0.42%, confirming that the operation of this device significantly improved the issue of cut tobacco entanglement and clumping.
In order to solve the problems such as frequent shutdown of the production line and increased material loss due to the large amount of hard caked tobacco after the moisture regain is loosened, a set of caked tobacco dividing device is designed at the entrance of the HAUNI conditioning cylinder. The test data shows that the application of the new design increases the amount of caked tobacco separation and falling into the cylinder to an average of 9 pieces, and the amount of loose hard slices is also reduced to an average of 9.8 Kg per 8000Kg production batch. The design of the device improves the production stability, reduces the loss of materials, and effectively meets the requirements of high-quality development of the enterprise.
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