Cut Tobacco Unwanted Object Removal Device
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Solution Overview
Problem
Current methods for removing unwanted objects from cut tobacco in cigarette production lines are inefficient, particularly in separating moderate unwanted objects, leading to high tobacco loss and instability in physical quality indices.
Innovation Solution
A multi-stage device comprising units for heavy, moderate, and light unwanted object removal, combined with humidification, utilizing pneumatic conveying, mechanical dispersion, image recognition, and controlled air separation to effectively remove all types of unwanted objects while maintaining tobacco moisture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If flexible air separation is used to remove heavy unwanted objects, then heavy unwanted objects are removed, but cut tobacco loss increases
Solution Approach 1:
The air separation process is divided into multiple stages with different air velocities. The first air separation stage uses a first air velocity to remove heavy unwanted objects, while the second air separation stage uses a second air velocity (different from the first) to remove moderate unwanted objects. This segmentation allows selective removal of different density objects while preserving cut tobacco.
2Object-generated harmful factors
If flexible air separation is used to remove unwanted objects, then heavy and light unwanted objects are removed, but moderate unwanted objects cannot be effectively removed
Solution Approach 1:
The patent employs dynamic adjustment of air velocity in different separation stages. The air velocity is changed between the first and second air separation stages to adapt to different object densities. This dynamic approach enables effective removal of moderate unwanted objects that have density between heavy and light objects, which cannot be removed by a single fixed air velocity.
3Object-generated harmful factors
If flexible air separation is used to remove unwanted objects, then unwanted objects are removed, but physical quality index of cut tobacco deteriorates
Solution Approach 1:
The patent applies partial air separation actions at different stages rather than one excessive strong air flow. The first air separation stage removes heavy unwanted objects with a first air velocity, and the second air separation stage removes moderate unwanted objects with a second air velocity. This partial action approach prevents excessive air flow from damaging the physical quality of cut tobacco while still achieving effective removal of unwanted objects.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Significantly improves the purity and quality of cut tobacco by accurately removing all unwanted objects and stabilizing moisture content, reducing tobacco loss and enhancing the value of cigarette products.
Implementation Method 1
raw cut tobacco feeding and conveying unit N1
Implementation Method 2
heavy unwanted object air selection and separation unit N2
Implementation Method 3
cut tobacco humidification unit N5
Implementation Method 4
cut tobacco humidification unit N5
Data Source
AI summary
A device for removing unwanted objects from cut tobacco in a cut tobacco production line is disclosed, which includes: a raw cut tobacco feeding and conveying unit (N1), a heavy unwanted object removal unit (N2), a cut tobacco dispersion and recovery unit (N3), a moderate unwanted object removal unit (N4), a cut tobacco humidification unit (N5) and a light unwanted object removal unit (N6). An unwanted object removal method using the cut tobacco unwanted object removal device is also disclosed. The device and method of the disclosure can effectively remove unwanted objects from cut tobacco.