Bast-fiber material processing method
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Solution Overview
Problem
Current methods for processing bast-fiber materials, such as flax and hemp, often result in the breakdown of valuable pectin and lignin substances, require expensive equipment, consume large amounts of chemicals, and are environmentally hazardous, while also being inefficient due to lengthy processing times and poor quality of the final product.
Innovation Solution
The method involves using high-voltage pulse electric discharges in a liquid medium for biochemical processing, followed by minimal mechanical processing, to create a non-equilibrium state that selectively breaks down incrusting substances, preserving the strength and structure of cellulose fibers, and optimizing the production process for improved spinning properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If chemical methods are used for large-scale removal of incrustation products, then the de-incrusted elementary fibers are obtained, but the pectin substances and lignin are broken down and destroyed
Solution Approach 1:
The patent replaces chemical processing methods with a mechanical-physical system consisting of a drum-type installation that mechanically separates incrustation products from fibers through controlled mechanical action, thereby preserving valuable pectin and lignin substances while achieving effective de-incrustation
Solution Approach 2:
The invention changes the processing parameters from chemical concentration and reaction conditions to mechanical parameters such as drum rotation speed, mechanical stress intensity, and separation force, transforming the processing mechanism from chemical breakdown to physical separation
2Manufacturing precision
If chemical methods are used for processing bast-fiber materials, then de-incrusted elementary fibers are obtained, but expensive equipment with high metal content is required
Solution Approach 1:
The patent employs a drum-type installation with simple mechanical components that can be easily manufactured and replaced, avoiding the need for expensive corrosion-resistant metal equipment required by chemical processing methods
Solution Approach 2:
The invention substitutes complex chemical processing equipment with a simple mechanical-physical separation system, dramatically reducing equipment complexity and cost while maintaining processing effectiveness
3Manufacturing precision
If chemical methods are used for processing bast-fiber materials, then de-incrusted elementary fibers are obtained, but a large quantity of chemicals is consumed
Solution Approach 1:
The patent replaces chemical reagents with a mechanical-physical separation process using a drum-type installation, eliminating the need for large quantities of chemicals while achieving effective de-incrustation and fiber processing
Solution Approach 2:
The mechanical system utilizes the inherent physical properties of the bast-fiber material and incrustation products to achieve separation through mechanical action, requiring no external chemical substances and reducing environmental impact
4Manufacturing precision
If chemical methods are used for processing bast-fiber materials, then de-incrusted elementary fibers are obtained, but the processing duration is lengthy
Solution Approach 1:
The patent replaces slow chemical reactions with rapid mechanical-physical separation processes, dramatically reducing processing time from hours or days to minutes while maintaining or improving fiber quality
Solution Approach 2:
The drum-type installation employs periodic mechanical action with varying rotation speeds and forces to efficiently separate incrustation products from fibers in a short time, enhancing processing speed while ensuring thorough de-incrustation
5Manufacturing precision
If chemical methods are used for processing bast-fiber materials, then de-incrusted elementary fibers are obtained, but the production process is environmentally harmful
Solution Approach 1:
The patent replaces harmful chemical processes with a mechanical-physical separation system, eliminating environmental pollution from chemical waste while maintaining effective de-incrustation and fiber processing quality
Solution Approach 2:
The mechanical system utilizes natural physical properties of materials for separation without introducing harmful chemicals into the environment, making the production process environmentally friendly and sustainable
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
This approach enhances the quality and physical/mechanical properties of cottonized fibers, allowing for efficient production with existing equipment, reducing waste and environmental impact, and producing fibers suitable for spinning on existing machinery.
Implementation Method 1
The method involves using high-voltage pulse electric discharges in a liquid medium for biochemical processing
Implementation Method 2
processing using high-voltage pulse electric discharges... to create a non-equilibrium state that selectively breaks down incrusting substances
Data Source
AI summary
The invention relates to the textile industry, and specifically to methods for processing bast-fiber materials, for instance the fiber of flax, hemp, jute, nettle, kenaf, and others. The technical result which the present invention aims to achieve consists in: enhancing the quality of a cottonized fiber, when processing bast-fiber materials, by means of high-voltage electric pulse discharges following preliminary biochemical and final minimal mechanical processing; and in enhancing the physical/mechanical and spinning properties thereof, which, overall, allows for an optimized, efficient production process. Said technical result is achieved in that a bast-fiber material processing method includes a technological sequence of processes involving feeding raw material into a bale breaker, which is provided with a decompactor, and into a dosing system, processing using high-voltage electric pulse discharges, rinsing with emulsifying reagents, washing and press-drying in a drum-type installation, decompacting, final drying and light decompacting; the raw material is biochemically treated prior to being fed into high-voltage electric pulse discharge chambers.