A method and system for controlling outlet moisture content of shredded leaves drying process

A control method and technology for moisture content, which are applied in the preparation of tobacco, tobacco, and tobacco processing, etc., can solve the problems of large influence of subjective experience, unstable control of moisture content change, etc., so as to improve batch consistency and improve quality control ability. Effect

Active Publication Date: 2022-02-25
CHINA TOBACCO HENAN IND
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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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  • A method and system for controlling outlet moisture content of shredded leaves drying process
  • A method and system for controlling outlet moisture content of shredded leaves drying process
  • A method and system for controlling outlet moisture content of shredded leaves drying process

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Embodiment Construction

[0053] In order to enable those skilled in the art to better understand the solutions of the embodiments of the present invention, the embodiments of the present invention will be further described in detail below in conjunction with the drawings and implementations.

[0054] Aiming at the problem that the outlet moisture content control in the current leaf shred drying process is greatly affected by the subjective experience of the operator, and the consistency of different batches is low. The invention provides a method and system for controlling the moisture content of the outlet of the shredded leaves drying process. In the same batch, the PID feedback control model is set to adjust the hot air velocity to control the moisture content of the outlet, so as to solve the problem of the outlet materials in the existing shredded leaves drying process. The change control of the moisture content is unstable and greatly affected by the subjective experience of the operator. It can ...

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Abstract

The invention provides a method and system for controlling the moisture content of the outlet of the shredded leaves drying process. The method includes: setting the temperature of the cylinder wall, the temperature of the hot air and the air volume of the tidal discharge in the shredded leaves drying process according to the set parameter values, and setting the drying temperature of the shredded leaves. The target value of the outlet moisture content of the process; obtain the measured value of the outlet moisture content of the leaf shred drying process, and obtain the target deviation value of the outlet moisture content according to the target value and the measured value; establish a PID feedback control model for The hot air velocity is adjusted according to the target deviation value to perform feedback control on the outlet moisture content, so that the outlet moisture content of the outlet material in the leaf shred drying process within the batch is controlled according to the target value. The invention can improve the batch consistency of the moisture content in the drying outlet of the shredded leaves, and improve the quality control ability of the production process.

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...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A24B9/00A24B3/04
CPCA24B9/00A24B3/04
Inventor 靳毅李文伟王晖程韦张瑞涛段李华邢亮冯业双程永波孟霞王慧李超
Owner CHINA TOBACCO HENAN IND
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