Impurity removing method suitable for tobacco fragments

Abstract

The invention discloses an impurity removing method suitable for tobacco fragments, and relates to the technical field of tobacco processing. The impurity removing process of the tobacco fragments comprises performing the following treatments on the fragments, homogenizing the material, spreading and thinning, primary vibration-screening, performing primary electrostatic impurity removing on largefragments, performing electrostatic impurity removing on small fragments and light impurities to bring out fragments, and treating partial impurities by a disc screen, performing secondary electrostatic impurity removing on the screened fragments, picking impurities by manual operation, classifying and packaging, and recycling the fragments. For the forms and characteristics of the impurities inthe tobacco fragments, the linear vibration screening, wind power separation, the disc screen, the electrostatic impurity removing, the manual impurity picking and like impurity removing ways are repeatedly and organically combined, the impurities can be removed after targeted sieving, the impurity removing is clean, the speed is fast, the degree of purity of the tobacco fragments is improved, thelabor intensity and the cost are reduced, the non-tobacco substances are controlled, and the waste of the tobacco is reduced.

Description

technical field [0001] The invention belongs to the technical field of tobacco leaf processing, and in particular relates to a method for removing impurities suitable for tobacco leaf fragments. Background technique [0002] For the technical field of tobacco leaf fragment processing, the impurity removal and recycling of the fragments is an important process, and the recovered tobacco leaf fragments generally use manual and mechanical equipment to perform the impurity removal steps. Because the impurities in the tobacco leaf fragments are relatively complicated, there are hemp ropes. Plastic, animal hair, hemp silk, stones, metal utensils, etc., and the tobacco leaf fragments contain a certain amount of water. It is difficult to remove the impurities at one time by general-purpose mechanical cleaning methods. Wind separation, light debris such as feathers and hemp silk are thrown and mixed in the debris, and the debris in the material cannot be removed well. Therefore, in...

AI Technical Summary

Problems solved by technology

Plastic, animal hair, hemp silk, stones, metal utensils, etc., and the tobacco leaf fragments contain a certain amount of water. It is difficult to remove the impurities at one time by general-purpose mechanical cleaning methods. Wind separation, light debris such as feathers and hemp silk are thrown and mixed in the debris, and the debris in the material cannot be removed well

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