Method and system for stabilizing processing strength of drum-type cut-tobacco dryer

A silk drying machine and drum-type technology, which is applied in the field of stable processing strength of the drum-type silk drying machine, can solve the problems of control lag, poor real-time control ability of batch process, and many influencing factors, so as to achieve stable control and stable batch-to-batch The effect of processing strength

Active Publication Date: 2020-04-10
HONGTA TOBACCO GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method can effectively stabilize the processing strength of the product, but there are still deficiencies. (1) For the silk production line without constant temperature and humidity environment, the problem of moisture loss and fluctuation in the processing process caused by environmental temperature and humidity changes cannot be fully considered; (2) ) Move the control point forward to the loosening and regaining process. Due to the large time and process span of the latter process and many influencing factors, the control lags behind; (3) The real-time control ability for the current batch process is poor

Method used

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  • Method and system for stabilizing processing strength of drum-type cut-tobacco dryer
  • Method and system for stabilizing processing strength of drum-type cut-tobacco dryer
  • Method and system for stabilizing processing strength of drum-type cut-tobacco dryer

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Effect test

Embodiment 1

[0036] In a typical implementation of the present application, a method for stabilizing the processing strength of a drum-type silk drying machine is disclosed, and the mathematical model used is:

[0037] The water loss model of each section before and after the water, Y1=X1-X2×Z+X3×N1+X4×N2, Y2=X5+X6×N3-X7×N4, where; Y1 is the water loss from the exit of moistening leaves to the entrance of drying shreds , Y2 is the water loss from the drying silk outlet to the mixed silk section, Z is the leaf storage time after moistening the leaves, N1 is the water loss point Y1 ambient temperature, N2 is the water loss point Y1 ambient humidity, N3 is the water loss point Y2 ambient temperature, N4 is the water loss point Y2 ambient humidity, X1, X2, X3, X4, X5, X6, and X7 are brand coefficient constants, which can be set according to the situation of the previous month or the same period of the previous year. The actual value of the moisture content of all batches of cigarettes of the c...

Embodiment 2

[0041] A system for stabilizing the processing strength of a drum-type silk drying machine, including a dynamic prediction system for the processing strength of silk drying. The dynamic prediction system for the processing strength of silk drying communicates with a measurement system and a production central control system. The measurement system is an environment temperature and humidity acquisition module and Historical data analysis module;

[0042]Further, the ambient temperature and humidity acquisition module simulates the distribution of the ambient temperature and humidity inside the production workshop, preferably at a height of 1.5±0.3m as the installation plane, and selects a process route that can characterize the temperature and humidity changes in this area in combination with the process route where the moisture content is lost. The area is the installation point, and finally through the data fusion of the dynamic prediction system of the drying processing inten...

Embodiment 3

[0046] Taking a certain brand of cigarettes as an example, the analysis is carried out in units of historical months. Collect the water loss value of all batches from November 1st to 30th, 2017 and the environmental temperature and humidity value of the water loss point, and perform regression analysis to determine the mathematical model, Y1=-0.365-0.006*leaf storage time+0.059*internal temperature -0.006*internal humidity; Y2=1.192+0.005*internal temperature-0.012*internal humidity.

[0047] After the validity test of the model, the water loss regression model is significant, and the residual and mean square tests are normal. Finally, the regression equation of the water loss point in November 2018 is obtained, and the regression equation is used to predict and control the moisture at the outlet of the leaves:

[0048] Moisture content Q1 at the outlet of moistening leaves = standard central value of moisture content of mixed silk Q3 + Y2 + brand drying dehydration target val...

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Abstract

The invention discloses a method and a system for stabilizing the processing strength of a drum-type cut tobacco dryer. The invention discloses the method and system for stabilizing the processing strength of a drum-type cut-tobacco dryer, which belong to the technical field of tobacco control, and comprise the following steps: a mathematical model of the processing strength of the cut-tobacco dryer and moisture loss of cut-tobacco processing is established, and a dynamic prediction system of the processing strength of the cut-tobacco dryer is established based on the mathematical model; before production procedures of tobacco leaf moistening and feeding, the processing strength dynamic prediction system automatically predicts moisture loss of each subsequent procedure section according tothe mathematical model, adjusts and sets moisture at an outlet of the tobacco leaf moistening and processing procedure, and stabilizes the dehydration amount of the cut-tobacco dryer so as to stabilize the processing strength of the cut-tobacco dryer; when a cut tobacco drying process begins, the processing strength dynamic prediction system performs cut tobacco drying outlet moisture correctionaccording to a correction model by collecting the actual value of the cut tobacco drying inlet moisture so as to stabilize the mean value of the batch-to-batch dehydration amount of the cut tobacco drying process, greatly reduce the batch-to-batch fluctuation range of the dehydration amount of the drum-type cut tobacco dryer and stabilize the product processing strength.

Description

technical field [0001] The invention belongs to the technical field of tobacco control, and more specifically relates to a method and a system for stabilizing the processing strength of a drum-type silk drying machine. Background technique [0002] Under the existing equipment conditions, no matter how the control mode of the drum silk dryer changes, the dehydration amount of the silk dryer is used as a comprehensive indicator of the impact of the cylinder wall temperature, hot air volume, and hot air temperature, and its change represents the fluctuation of product processing intensity. In the conventional way, the moisture at the outlet of the leaf moistening and feeding process is controlled through human experience to stabilize the moisture of the subsequent raw silk, that is, the moisture at the inlet of the silk dryer, thereby ensuring the stability of the processing strength of the drum silk dryer. [0003] However, the inventors found that due to the large time span ...

Claims

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Application Information

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IPC IPC(8): A24B3/04
CPCA24B3/04
Inventor 乔晓辉李韶阳余云松邹泉陈冉祁跃东潘文徐仁辉王金良赵云川李新赵剑王夏婷马丽张忠仁杨靖怡赵洪愉
Owner HONGTA TOBACCO GRP
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