Impact Reactor for Cold Mechanical Comminution of Organic Fibers

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Solution Overview

Problem

Existing methods for producing organic fibrous materials and granules are energy-intensive, require thermal preheating, and generate significant waste, making them costly and resource-inefficient.

Innovation Solution

A method and device utilizing cold-mechanical processing through impact stress in an impact reactor, which comminutes organic fibers and granules without cutting, reducing energy consumption and waste production, and allowing for the use of inexpensive raw materials, including residual wood batches.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If thermal preheating and wet processes are used for fiber production, then fiber quality is improved, but energy consumption and water usage increase significantly

Engineering Contradiction:

Improvefiber qualityVSAvoidenergy consumption

Core Design Contradiction:

Manufacturing precisionVSUse of energy by moving object

Solution Approach 1:

The invention changes the fundamental parameters of the comminution process by operating at ambient temperature and using dry impact comminution instead of thermal preheating and wet processes. This maintains fiber quality while dramatically reducing energy consumption and water usage through the use of impact stress and suction removal

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention replaces thermal-mechanical systems (refiners with heating) with a purely mechanical impact-based system. The impact comminutor uses kinetic energy from impacting parts to comminute material without thermal input, eliminating the need for thermal preheating while maintaining effective fiber production

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If refiners with cutting mechanisms are used for comminution, then material is effectively processed, but mechanical tool wear increases

Engineering Contradiction:

Improvecomminution effectivenessVSAvoidmechanical tool wear

Core Design Contradiction:

ProductivityVSEase of manufacture

Solution Approach 1:

The invention substitutes cutting-based mechanical systems with impact-based comminution. Instead of blades or refiners that cut and wear, the system uses impacting parts that comminute material through impact stress, eliminating blade wear and reducing maintenance requirements while maintaining comminution effectiveness

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The comminution process is segmented into multiple impact stages rather than relying on continuous cutting action. Material undergoes repeated impact comminution cycles, achieving effective size reduction without the mechanical wear associated with continuous cutting mechanisms

Inventive Principle:

Principle #1Segmentation

3Productivity

If continuous suction is applied during comminution, then fiber removal efficiency is improved, but energy consumption increases

Engineering Contradiction:

Improvefiber removal efficiencyVSAvoidsuction energy consumption

Core Design Contradiction:

ProductivityVSUse of energy by moving object

Solution Approach 1:

The suction operation is implemented periodically or intermittently rather than continuously. The suction device operates in cycles, removing comminuted material at appropriate intervals during the impact comminution process, which reduces energy consumption compared to continuous suction while maintaining effective fiber removal efficiency

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The impact comminution process itself generates conditions that facilitate material removal. The impact action creates airborne comminuted material that is then easily captured by suction, allowing the comminution process to serve its own removal function partially, reducing the energy burden on the suction system

Inventive Principle:

Principle #25Self-service

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

The method and device produce cost-effective and resource-saving organic fibrous materials and granules with lower mechanical tool wear, enabling the use of previously unusable residual materials and reducing the need for water and thermal energy.

Implementation Method 1

a suction tube protruding into the interior, the suction tube being pivotable and/or displaceable perpendicularly to a longitudinal axis of the interior and the suction tube having at least one double-walled section with injection nozzles

Methodology Applied

Scientific EffectSuction: Suction

Implementation Method 2

a batch containing at least one fibrous organic material is introduced into an interior space of a device for comminuting materials by impact loading and is comminuted in this interior space by means of impact loading

Methodology Applied

Scientific EffectImpact stress: Impact Force

Data Source

PatentEP2739398B1Method and device for producing organic fibrous materials or granulates

Publication Date: 2020.01.15 BENGEL WOLFGANG

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AI summary

The invention relates to a method and a device for the cold mechanical production of organic fibrous materials or granular materials. For this purpose, at least one load having organic material containing fibers is introduced into an interior (2) of a device (1) for breaking up materials by means of impact loading and is broken up in said interior (2) by means of impact loading, wherein an organic fibrous material or an organic granular material is removed from the interior (2).