Segmented Agricultural Wrapping Material for Cotton Bale Contamination Control
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Solution Overview
Problem
Current polymeric sheets used in cotton baling and wrapping introduce plastic contamination, leading to quality degradation of cotton during processing, as loose plastic pieces can mingle with the cotton, particularly from the inner layer of the wrap, and are difficult to remove during processing.
Innovation Solution
A wrapping material design featuring a reduced risk material portion, such as crepe paper, adjacent to the cotton and a polymeric portion extending over it, allowing for easy identification and removal of contaminants, with the polymeric portion adhering to itself to minimize loose plastic fragments during unwrapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If polymeric sheets are used for wrapping cotton bales, then securement and protection from weather are improved, but plastic contamination of cotton increases
Solution Approach 1:
The wrapping material is divided into distinct segments: a leading end portion made of reduced risk material (paper or plastic alternative), a middle portion made of polymeric material, and a trailing end portion made of reduced risk material. This segmentation allows each portion to serve different functions - the reduced risk portions minimize contamination while the polymeric portion provides securement and protection.
Solution Approach 2:
Different portions of the wrapping material have different material properties optimized for their specific functions. The leading and trailing end portions use reduced risk materials to minimize contamination, while the middle portion uses polymeric material for securement. The wrapping material also has varying thicknesses in different portions, with thicker sections providing enhanced protection where needed.
2Object-affected harmful factors
If polymeric sheets are used for wrapping, then protection from weather and UV radiation is improved, but quality degradation of cotton increases
Solution Approach 1:
The wrapping material is segmented to provide protection where needed while minimizing contamination risk. The polymeric middle portion provides weather and UV protection, while the reduced risk material portions at the ends minimize the likelihood of plastic contamination during handling and processing.
Solution Approach 2:
The wrapping material is designed to be disposable after serving its protective function. The reduced risk material portions can be easily removed or degraded during processing, minimizing long-term contamination concerns while the polymeric portion provides temporary protection during storage and transport.
3Reliability
If the inner layer of wrap contacts cotton, then securement is improved, but plastic contamination risk increases
Solution Approach 1:
The wrapping material is segmented into distinct functional zones. The leading and trailing end portions made of reduced risk material contact the cotton first and last, minimizing contamination risk. The polymeric middle portion provides securement without directly contacting the cotton, reducing the likelihood of plastic contamination.
Solution Approach 2:
The reduced risk material portions act as intermediaries between the polymeric wrapping material and the cotton. These intermediate portions facilitate securement and protection while minimizing direct contact between plastic and cotton, thereby reducing contamination risk.
Data Source
AI summary
In one embodiment of the present disclosure, a wrapping material for wrapping around an agricultural product to form a bale includes a wrapping unit extending from a leading end to a trailing end. The wrapping unit includes a reduced risk material portion extending a distance along the wrapping unit from the leading end.