Organic Waste Pelletizing System with Auger Compression
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Solution Overview
Problem
Existing organic waste processing systems are large, complex, and inefficient, making them impractical for quickly processing large volumes of organic waste into useful by-products like clean energy, fuel, and fertilizer.
Innovation Solution
A compact waste management system involving a vertical shredder, sequential augers for liquid extraction, a dual drum heating dryer, a pelletizer, and a dual drum cooling dryer to process organic waste into solid pellets suitable for packaging and distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional composting machines are used to process organic waste, then the waste can be decomposed, but the processing time is extremely long (8 to 10 weeks) and the equipment requires large storage areas
Solution Approach 1:
The patent fundamentally changes the processing parameters from biological decomposition (composting) to mechanical-thermal processing. The system uses shredding, compression, heating, and drying operations that reduce processing time from 8-10 weeks to approximately 24 hours, while transforming the output from compost to dried organic material suitable for fuel or fertilizer production
Solution Approach 2:
The invention replaces the biological/composting system with a mechanical processing system consisting of shredders, compressors, heaters, and dryers. This mechanical substitution eliminates the need for long-term storage areas and accelerates the processing timeline dramatically
2Productivity
If conventional waste processing apparatus are used, then organic waste can be processed, but the apparatus are large, complex, and costly to operate
Solution Approach 1:
The patent divides the waste processing function into distinct modular stages: shredding, compression/liquid extraction, heating, and drying. Each stage is handled by separate equipment that can be independently operated and maintained, reducing overall system complexity while maintaining high processing capacity
Solution Approach 2:
The processing system is designed to handle multiple types of organic waste (food waste, green compost material, etc.) through a unified mechanical-thermal process, making the equipment versatile and reducing the need for specialized apparatus for different waste streams
3Quantity of substance
If organic waste is stored in large volumes before processing, then sufficient material is available for processing, but large storage areas are required and inherent disadvantages occur
Solution Approach 1:
The mechanical-thermal processing system operates continuously or in rapid sequence, processing waste as it is received rather than requiring bulk storage. This continuous action eliminates the need for large storage areas while maintaining the ability to process large volumes of organic waste
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 system efficiently processes organic waste into solid pellets within 30 minutes to an hour, significantly reducing processing time compared to conventional composting machines and enabling quick conversion of waste into clean energy, fuel, and fertilizer.
Implementation Method 1
The blade is rotated by the shaft to compress the shredded waste and squeeze liquid therefrom
Implementation Method 2
The hollow shaft communicates with a source of hot air which heats and dries the waste pieces moving through the outer and inner drums
Implementation Method 3
heats and dries the waste pieces
Implementation Method 4
The hollow shaft communicates with a source of cool air which cools the pellets moving through the outer and inner drums
Data Source
AI summary
A waste management system ad method for processing and reusing organic waste such as food, green compost, and the like. The waste is delivered from a shredder to three sequential augers, each having a rotating shaft and a helically-wound blade spiraling therealong. The blades of the augers compress the waste and extract liquid therefrom to be drained into a tank for subsequent use as a fuel or a fertilizer. The remaining organic waste is then heated and dried in a dual drum dryer. From the dryer, the waste is delivered to a pelletizer having an apertured shaping plate extending thereacross through which the waste is pushed and shaped into solid pellets. The hot and dry pellets are cooled within a dual drum cooler. From the cooler, the organic waste pellets are collected, packaged and distributed.