Rotating Drum Separator for Bulk Material Sorting
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Solution Overview
Problem
Existing bulk material separation technologies face challenges in achieving a high degree of separation between planar and body form solids, particularly in recycling industries, as they are often costly, have operational safety issues, and are difficult to integrate seamlessly into existing systems, especially when dealing with large solids and varying mass flows.
Innovation Solution
A device with a rotatable drum having two parting surfaces at a predetermined distance, where the drum's volume is divided into negative and atmospheric pressure areas, with adjustable breakthrough shapes and a variable rotation speed, allows for effective separation of bulk materials by mechanically and pneumatically separating solids using air suction and blowing mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single parting surface is used in existing separation devices, then the device structure is simple, but the degree of separation between planar and body form solids is insufficient
Solution Approach 1:
The parting surface is segmented into multiple surfaces (first parting surface and second parting surface) arranged at predetermined distances. This segmentation allows sequential contact with body form solids, enabling progressive separation that achieves higher separation degree while maintaining reasonable structural complexity through modular design
2Manufacturing precision
If existing separation technologies are used to achieve high degree of separation, then the separation quality improves, but the cost increases and integration into existing systems becomes difficult
Solution Approach 1:
The separation device is designed with universal features including adjustable breakthrough shapes and variable rotation speeds that can adapt to different bulk material types and separation requirements. The device can be integrated into existing conveying systems and serves multiple separation functions, making it both cost-effective and easily integratable while maintaining high separation quality
3Adaptability or versatility
If the drum rotation speed is fixed in existing devices, then the device operation is simple, but the adaptability to different bulk materials and separation requirements is limited
Solution Approach 1:
The drum rotation speed is made variable rather than fixed, allowing dynamic adjustment according to different bulk material properties and separation requirements. This dynamic capability enhances adaptability while the control system maintains ease of operation through intuitive speed regulation
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 device achieves a high degree of separation of bulk materials into planar and body form solids, meeting the requirements of waste management by allowing for adjustable parameters and easy integration into existing systems, improving operational efficiency and safety.
Implementation Method 1
the inner volume of the drum in two areas (D, E) with comparably high volumes is divided, with a volume range (D) negative pressure (pi < pa) and an area (E) atmospheric pressure
Implementation Method 2
allows for adjustable breakthrough shapes and a variable rotation speed, allows for effective separation of bulk materials by mechanically and pneumatically separating solids using air suction and blowing mechanisms
Implementation Method 3
a device with a rotatable drum having two parting surfaces at a predetermined distance, where the drum's volume is divided into negative and atmospheric pressure areas, with adjustable breakthrough shapes
Data Source
AI summary
The invention relates to a method comprising a device (1) having at least two separating surfaces (2, 2′) for separating planar and three-dimensional solids, which can be light, medium, and heavy, wherein the device can be installed and integrated into existing system for separating different material streams, such as garbage and waste. The bulk goods (3) to be separated and fed first to a first separating surface (2), and then to a second separating surface (2′) in succession, whereby a high degree of separation between light and heavy bulk goods (3) is achieved.