Method for winnowing tobacco material using inertia and its device

Abstract

The present invention discloses a kind of tobacco material winnowing method and apparatus operating on inertia. Material is separated inside the box of wind separating chamber with side material inlet and vertical upward blast. The present invention features that tobacco material is made to enter the wind separating chamber at the instantaneous speed of 2-6m / s. The tobacco material with relatively small density will be blown to outside the wind separating chamber while foreign matter with relatively great density falls to the wind separating chamber.

Description

technical field [0001] The invention relates to a method and equipment for sorting tobacco materials, more precisely, a method and equipment for air-selecting tobacco materials by using inertia. Background technique [0002] Tobacco usually contains various foreign matter. In the cigarette production line, winnowing is often used to remove foreign matter from various tobacco products, such as foreign matter removal from leaves, shredded tobacco, shredded stems, and expanded shredded tobacco. There are two commonly used winnowing methods, one is to use the traditional flotation method, which uses the difference in the suspension speed of tobacco and foreign matter to remove foreign matter, and a more advanced method is the use of flotation and floatation as described in patent ZL 02 138091.0. The combination method, or the method called in-situ sorting, is used to remove foreign objects. These two methods are widely used and are one of the necessa...

AI Technical Summary

Problems solved by technology

[0003] The on-site sorting method is superior to the traditional flotation method in terms of winnowing accuracy, crushing, and energy consumption. However, as the production flow increases, the winnowing accuracy of the on-site sorting equipment also decreases, especially It is used in the occasions where the separation and suspension speeds are not much different. When the production flow is large to a certain extent, the separation accuracy cannot meet the requirements.

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