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Method of confirming detention time of leaf silk in silk baking roller

A retention time, technology in the drum, applied in the direction of tobacco preparation, application, tobacco, etc., can solve the problems that affect the processing quality of products, cannot accurately calculate the residence time of shredded leaves, etc., and achieve the effect of easy operation, simple method and accurate calculation results

Active Publication Date: 2010-10-13
CHINA TOBACCO SHANDONG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the current problem that the retention time of shredded leaves in the drying drum cannot be accurately calculated, which affects the processing quality of products, etc., and to provide a method for determining the drying time of shredded shredded leaves with the advantages of simple method, easy mastering, and accurate calculation results. Drum residence time method

Method used

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  • Method of confirming detention time of leaf silk in silk baking roller
  • Method of confirming detention time of leaf silk in silk baking roller
  • Method of confirming detention time of leaf silk in silk baking roller

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Embodiment Construction

[0035] Such as image 3 As shown, take the orthogonal coordinate system OXYZ and O'X'Y'Z', the drum is known to be tilted at an angle α, and the blade silk is lifted at an angle θ. OXYZ is the horizontal plane system, and O'X'Y'Z' is the oblique coordinate system. yz is the upper edge of the leaf silk movement, and x'b is the lower edge. Through the geometric relationship in the coordinate system, the axial displacement angle ε when the blade silk goes up in a cycle can be obtained 1 and the axial displacement angle ε when the filament goes down 2 .

[0036] Then, through the axial displacement angle, the total stroke of the blade wire movement is obtained, and finally the residence time of the blade wire in the cylinder is derived. (1) Calculate the axial displacement angle ε when going up 1

[0037] tgϵ 1 = xx ′ x ′ z ...

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Abstract

The invention discloses a method for confirming the time that cut lamina stay in the drying roll, which resolves the problem that the existing method is impossible for calculating the time for the cut lamina staying in the drying roll preciously to impact the processing quality. The invention has the advantages of simple method, easy for grasping and precious result calculated. The detailed method is that: (1), dividing the vertical round section of the drying roll into twelve pieces equally as the shape of clock; (2), confirming the axial displacement angle Epsilon 1 when the cut lamina ascending and the axial displacement angle Epsilon 2 when descending within one rotating period of the drying roll; (3), confirming the total moving travel of the cut lamina through the overall axial displacement angle; (4), affirming the time of the cut lamina staying in the drying roll by utilizing the ascending and descending speed of the cut lamina.

Description

technical field [0001] The invention relates to a method for determining the residence time of shredded leaves in a drying drum. Background technique [0002] The shred drying drum is the main equipment in cigarette production, and it is widely used in the roasting and processing of shredded tobacco, shredded stems and other cigarette raw materials. Although the specific structure of the drum body used in different working conditions is somewhat different, it has the following characteristics in common: the rotation speed is relatively slow (generally ≤16rpm); (inclination angle α=3-6°) to realize. When the shredded tobacco is processed by the shredded drying drum, the moisture in the shredded tobacco is evaporated mainly through the heat conduction method with the drum wall and the shredded frying plate and the convection method between the hot air and the shredded tobacco. The residence time of shredded tobacco in the drying cylinder is an important parameter to measure ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A24B3/10A24B3/04
Inventor 刘杰段玲郗继忠
Owner CHINA TOBACCO SHANDONG IND