Method for improving leaf size uniformity after threshing

Abstract

The invention discloses a method for improving the leaf size uniformity after threshing. Through combination of suspension winnowing and air suction pneumatic separation, the winnowing frequency of anair separator is improved, and the amount of leaves for winnowing is increased, super-large tobacco stems are separated out separately and tobacco stem separation is performed, After separation, leaves are subjected to secondary winnowing threshing, the tobacco stems are separately moistened and cut into shreds, generation of non-smoke substances during tobacco leaf processing is controlled, therefined requirements of cigarette enterprises for the purity of tobacco laminas, the processing flow is improved, and the production cost is reduced. The leaves are subjected to classification threshing, the tobacco breaking rate is reduced, the middle-size leave rate is improved, the uniformity of the tobacco leaves is controlled, and subsequent processing is facilitated. The provided method forimproving the leaf size uniformity after threshing has a remarkable effect, effectively improves the leaf uniformity and the threshing efficiency, improves the quality of finished cigarette products and is worth popularizing.

Description

technical field [0001] The invention relates to the technical field of tobacco processing, in particular to a method for improving the size uniformity of leaves after threshing. Background technique [0002] In the production of threshing and redrying, the sheet shape of threshed tobacco directly affects the quality of tobacco, and is also one of the main factors affecting the filling capacity of rolled tobacco. In recent years, domestic and foreign studies on the relationship between the structure of shredded tobacco and the shape of tobacco sheets that meet the needs of high-speed cigarette rolling machines have shown that when the size of tobacco sheets is larger than 35 mm, the increase in filling capacity is not obvious, and it will affect the working efficiency of cigarette machines; When the size is less than 10 mm, the filling capacity of shredded tobacco drops sharply. Therefore, the optimum range of the size of the tobacco is 10-35mm, and the proportion of the cig...

AI Technical Summary

Problems solved by technology

However, at present, the post-threshing lamina produced by the threshing and re-baking line generally has problems such as a high rate of large sheets and unreasonable sheet shape structure, which leads to a high shrinkage rate of the post-cured lamina and affects the pass rate of large and medium-sized sheets of finished tobacco. , so there is a need for a leaf threshing method that improves the qualified rate of the middle slice after threshing, reduces the amount of small leaves, and reduces the amount of large leaves, in order to improve the quality of tobacco