Cigarette Filter Rod Additive Spraying Control
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Solution Overview
Problem
Existing methods for forming cigarette filter rods face challenges in high-speed production and uniform distribution of multiple granular additives, leading to instability and limited functionality in filter rods.
Innovation Solution
A method and device for continuously conveying and spraying multiple granular additives into cigarette filter materials during the forming process, using a system with compressed air and dosage allocation units to ensure uniform distribution and precise control of additive placement along the filter rod axis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If pulse flow is used to spray granular additives, then the additives are sprayed to the filter material, but the discontinuous flow requires duty time between sprays making high-speed production difficult
Solution Approach 1:
The patent uses periodic opening and closing of the valve to create pulsed flow, which allows the granular additives to be sprayed in controlled intervals. This periodic action resolves the contradiction by providing both the spraying function and the necessary timing control for high-speed production.
Solution Approach 2:
The patent employs a dynamic valve control system that can rapidly open and close to regulate the flow of granular additives. This dynamic control enables the system to adapt to high-speed production requirements while maintaining stable additive distribution.
2Productivity
If vacuum is used to absorb granular additives in a rotary pocket wheel, then the additives are conveyed to the filter rod center, but the vacuum system is blocked leading to material shortage
Solution Approach 1:
The patent uses pneumatic pressure to convey granular additives through the rotary pocket wheel, replacing the vacuum system. This pneumatic approach prevents blocking issues while maintaining reliable feedstock delivery at high speeds.
Solution Approach 2:
The patent introduces air as an intermediary medium to transport the granular additives, which prevents direct contact between the additives and the vacuum system components that caused blocking. This intermediary approach ensures continuous reliable feeding.
3Adaptability or versatility
If multiple granular additives are added to improve filtration function, then the filter rod functionality is enhanced, but the distribution uniformity and stability are reduced
Solution Approach 1:
The patent segments the additive delivery system into multiple independent channels, each controlling a specific granular additive. This segmentation allows precise control over the distribution of each additive type, maintaining uniformity even when multiple additives are used.
Solution Approach 2:
The patent applies different granular additives to specific locations within the filter rod structure, with each additive placed in optimized positions. This local quality approach enhances functionality while maintaining precise control over distribution patterns.
4Productivity
If granular additives are continuously fed to improve production speed, then productivity increases, but the dosage control precision is reduced
Solution Approach 1:
The patent incorporates feedback control mechanisms that monitor the flow of granular additives in real-time and adjust the valve operation accordingly. This feedback system maintains precise dosage control even during continuous high-speed operation.
Solution Approach 2:
The patent replaces mechanical dosage control mechanisms with automated control systems that use sensors and electronic control to regulate additive flow. This substitution enables both high-speed continuous feeding and precise dosage control.
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
Enables high-speed production of filter rods with multiple additive combinations, improving the quality and functionality of the filter rods while simplifying the production process and reducing costs.
Implementation Method 1
one end of the confluent main pipe of additives is connected with a source of compressed air
Implementation Method 2
sprayed into the cigarette filter materials that furl forwards under the action of continuous transporting flows
Implementation Method 3
the confluent main pipe of additives is provided with at least one confluent manifold of additives... the position of the nozzle faces against the position of the discharge through-hole
Data Source
AI summary
A method and device for forming a cigarette filter rod. The method is as follows: in a process of continuously conveying forward cigarette filter materials that tend to converge to have a rod shape, multiple granular additives are continuously output in accordance with a certain time interval, and are sprayed into the cigarette filter materials that converge forwards under the action of continuous transporting flows, so that after the cigarette filter materials converge to form a continuous filter rod, multiple groups of additive unit combinations formed of different granular additive units are embedded in an axial direction of the filter rod. With the method and device for forming a cigarette filter rod, a filter rod containing multiple granular additives can be formed in one step; multiple granular additives can be combined and arranged in any way along an axial direction of the filter rod; dosage positions and intervals of various granular additives can be adjusted and changed randomly; a production process is simplified and the production cost is reduced.