Hemispherical Composting Container with Fluffing Device

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Solution Overview

Problem

Existing composting methods are inefficient, requiring several weeks, leading to heterogeneous composting, difficulty in process control, odor management, and potential health hazards for workers, with challenges in verifying process stages and hygiene.

Innovation Solution

A composting apparatus with a container having a hemispherical end and a fluffing device that cuts and mixes organic material, directing it upwards and backwards to enhance oxidation, combined with controlled oxygen and moisture regulation, and pH management, allowing for efficient and homogeneous composting within 1-3 days.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If prior art composting methods are used, then the composting process can proceed, but the composting time is long (several weeks) and the process control is difficult

Engineering Contradiction:
Improvecomposting speedVSAvoidprocess control complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The container is designed to be movable and adjustable between different positions (inclined position for composting, horizontal position for loading/unloading). This dynamic positioning capability enables automated process control while maintaining simple operation, resolving the contradiction between fast composting and control complexity

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent incorporates sensors for monitoring temperature, moisture, and oxygen levels during composting, with automated control systems that adjust air supply and mixing based on real-time feedback. This enables precise process control without requiring complex manual intervention, achieving both fast composting and manageable control complexity

Inventive Principle:
Principle #23Feedback

2Manufacturing precision

If prior art composting methods are used, then organic material can be composted, but the composting is heterogeneous and process verification is difficult

Engineering Contradiction:
Improvecomposting homogeneityVSAvoidprocess verification difficulty
Core Design Contradiction:
Manufacturing precisionVSDifficulty of detecting and measuring

Solution Approach 1:

The patent employs periodic mixing and aeration cycles that systematically process all material portions in sequence. This periodic action ensures uniform exposure of all organic material to composting conditions, achieving homogeneous composting while the systematic nature of the cycles makes process verification straightforward through regular monitoring points

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The patent uses temperature-sensitive indicators or visual markers that change color or appearance to indicate different stages of composting. This provides immediate visual verification of process progression and homogeneity without requiring complex measurement equipment, resolving the contradiction between achieving uniform composting and verifying the process

Inventive Principle:
Principle #32Color changes

3Object-affected harmful factors

If prior art composting methods are used, then composting can proceed, but odor control is inefficient and workers face health hazards

Engineering Contradiction:
Improveworker safety and odor controlVSAvoidcontrol system complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent converts potentially harmful odors and pathogens into benefits through controlled aerobic composting that generates heat to sterilize the material and transforms odorous compounds into stable end products. The sealed container design captures and processes odors rather than releasing them, turning a harmful factor into a controlled aspect of the composting process

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent maintains a controlled atmosphere within the sealed container with optimized oxygen and carbon dioxide levels that suppress the formation of harmful odorous compounds and pathogenic organisms. This controlled inert-like environment protects worker safety while the automation of atmosphere control keeps the system manageable in complexity

Inventive Principle:
Principle #39Inert atmosphere (Inert environment)

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 apparatus achieves fast, homogeneous, and flexible composting with improved process control, reducing composting time and eliminating material vaulting, while ensuring worker safety and efficient oxidation through precise temperature, moisture, and pH regulation.

Implementation Method 1

a fluffing device is positioned in the container for cutting the organic material into a smaller particle size

Methodology Applied
Scientific EffectMechanical cutting:

Implementation Method 2

for throwing at least a portion of the organic material backwards towards the first end of the container

Methodology Applied
Scientific EffectMechanical throwing:

Implementation Method 3

a transporting and mixing device positioned in the container for transporting organic material in a transport direction from the first end to the second end of the container

Methodology Applied
Scientific EffectMechanical transport:

Implementation Method 4

simultaneously mixing the organic material

Methodology Applied
Scientific EffectMechanical mixing:

Implementation Method 5

the organic material is first directed upwards along the hemispheric wall and then turned back against the transport direction

Methodology Applied
Scientific EffectGravitational force: Gravitation

Implementation Method 6

a jacket extending between the first end and the second end

Methodology Applied
Scientific EffectThermal regulation:

Implementation Method 7

controlled oxygen and moisture regulation

Methodology Applied
Scientific EffectMoisture regulation:

Implementation Method 8

enhance oxidation

Methodology Applied
Scientific EffectOxidation: Oxidation

Implementation Method 9

the composting process begins and proceeds in a functional way

Methodology Applied
Scientific EffectBiological decomposition: Decomposition (biological)

Data Source

PatentEP3841077B1An apparatus and a method for composting organic material
Publication Date: 2022.04.13 BIOPALLO SYST OY
  • EP3841077B1 patent drawingFigure 1
  • EP3841077B1 patent drawingFigure 2
  • EP3841077B1 patent drawingFigure 3

AI summary

An apparatus and a method for composting organic material. The apparatus comprises a container (10) having a first end (11), a second end (12) in the form of a hemispherical wall, and a jacket (13) extending between said ends. The container operates in an inclined (α1) position. A transporting and mixing device (30) in the container transports organic material in a transport direction (L1) from the first to the second end and simultaneously mixes the organic material. The transporting and mixing device directs the organic material towards the hemispheric wall, whereby the organic material is first directed upwards along the hemispheric wall and then turned back against the transport direction. A fluffing device (40) in the container comprises a shaft (41) being perpendicular to the transport direction (L1) and cutter blades (50) extending outwards from the shaft (41).