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Charging moisture control method for tobacco shred processing

A control method and moisture technology, applied in tobacco, tobacco preparation, tobacco processing, etc., can solve the problems of untimely human intervention, poor moisture control ability, low moisture completion rate, etc., to reduce untimely human intervention and eliminate hysteresis , the effect of stabilizing the fluctuation range

Active Publication Date: 2013-09-25
CHINA TOBACCO ZHEJIANG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing silk feeder has problems such as poor moisture control ability, large fluctuations, low moisture completion rate, untimely human intervention, staggered intervention, and low accuracy.

Method used

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  • Charging moisture control method for tobacco shred processing

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Embodiment Construction

[0012] The specific implementation manner of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0013] Such as figure 1 Shown is a method for controlling the moisture content of tobacco shredded material, which means that the device used includes a PID main controller 1, a cascaded PID controller 2, a linear compensator 3, a main loop 4, an auxiliary loop 5, a steam meter and a moisture meter. instrument. The two PIDs of the PID master controller 1 and the cascade PID controller 2 are connected in series, and the linear compensator 3 is connected in series between the PID master controller 1 and the cascade PID controller 2, and the The main loop 4 feeds back the outlet moisture PV1 to the input end of the PID main controller 1, and the auxiliary loop 5 feeds back the current cylinder wall temperature PV2 to the input end of the cascaded PID controller 2. The PID master controller 1 determines the set point of the cascade...

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Abstract

The invention relates to a charging moisture control method for tobacco shred processing. Twp PIDs of a PID main controller and a cascaded PID controller are connected in series; a linear compensator is connected in series between the PID main controller and the cascaded PID controller; a main loop feeds back moisture PV1 at an outlet to an input end of the PID main controller; an auxiliary loop feeds back a current temperature PV2 of a cylinder wall to an input end of the cascaded PID controller; the PID main controller sets a deviation between an SP1 and a practical moisture PV1 based on the moisture at the outlet, so as to calculate an open degree LMN1 of a water positioning valve; the cascaded PID controller converts the open degree of the water positioning valve which is subjected to correction of the linear compensator into a set value SP2 for the cylinder wall temperature control, and calculates the open degree LMN2 of a steam valve through the temperature set value SP2 and a practical value PV2 so as to stabilize a moisture output PV1. The charging moisture control method for tobacco shred processing reduces influences such as hysteresis and fluctuation from the temperature to the moisture control efficiently.

Description

technical field [0001] The invention relates to an automatic moisture control method applied in tobacco shred making process. Background technique [0002] Cigarette dosing refers to the process of applying "feed liquid" on tobacco leaves during the production of cigarettes. The ultimate purpose of adding ingredients is to improve the smoking quality of cigarettes and form a unique style to meet the requirements of smokers. [0003] In the shredded process, the moisture control ability of the feed material seriously affects the quality of shredded tobacco products. The existing silk feeder has problems such as poor moisture control ability, large fluctuations, low moisture completion rate, untimely human intervention, staggered intervention, and low accuracy. The main factors that affect the moisture control are factors such as the sudden change of the temperature of the cylinder wall and the large error of human control. Contents of the invention [0004] In order to s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A24B9/00A24B3/12
Inventor 郭奔李汉莹朱辉平闫洪喜王有利
Owner CHINA TOBACCO ZHEJIANG IND
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