Control method and system for outlet moisture content of cut tobacco drying procedure

Abstract

The invention provides a control method and system for the outlet moisture content of a cut tobacco drying procedure, and the method comprises the steps: setting the temperature of a cylinder wall, the temperature of hot air and the moisture removal air volume in the cut tobacco drying procedure according to set parameter values, and setting the target value of the outlet moisture content of the cut tobacco drying procedure; obtaining an actual measurement value of the outlet moisture content of the cut tobacco drying process, and obtaining a target deviation value of the outlet moisture content according to the target value and the actual measurement value; and establishing a PID feedback control model for adjusting the hot air speed according to the target deviation value so as to perform feedback control on the outlet moisture content, so that the outlet moisture content of the outlet material of the cut tobacco drying process in the batch is controlled according to the target value. The batch consistency of the cut tobacco drying outlet moisture content can be improved, and the quality control capacity in the production process is improved.

Description

technical field [0001] The invention relates to the technical field of tobacco processing, in particular to a method and system for controlling the moisture content at the outlet of the shredded leaf drying process. Background technique [0002] Shredded leaf drying is one of the key processes in the cigarette shredding process. Its main technological purpose is to remove excess water in the shredded leaf, improve the filling capacity and processing resistance of the shredded leaf, and improve and enhance the sensory quality of the shredded leaf. Therefore, the outlet moisture content is the most important process control index in the shredded leaf drying process, and it is a key process quality characteristic that affects the quality of cigarettes. At present, cigarette manufacturing enterprises regard the moisture content of the shredded leaf drying outlet as an important indicator of the shredded leaf drying process. The main control method is to control the upper and low...

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a method and system for controlling the moisture content at the outlet of the silk drying process, which solves the problem that the control of the moisture content change of the outlet material in the existing silk drying process is unstable and greatly affected by the subjective experience of the operator. It can improve the batch consistency of the moisture content of the shredded dried outlet, and improve the quality control ability of the production process

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