Multi-stage Cyclone Separator for Granular Material Recovery
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Solution Overview
Problem
Conventional methods fail to efficiently separate powder and granular materials with relatively large specific gravity and hardness, initially formed into grit or shot shape, from accompanying lightweight foreign substances, especially when the specific gravity difference is small, leading to inefficient recycling and increased load on external suction machines.
Innovation Solution
A powder and granular material separation processing device and method that introduces the mixture into a separation processing container connected to an external suction machine, utilizing airflow and specific gravity differences to separate recyclable granular material from lightweight foreign substances, with a hopper tank, suction introduction tube, and a suction discharge tube with multiple stages to guide and collect the materials effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional cyclone type airflow separation is used for materials with small specific gravity difference, then separation efficiency is reduced, but increasing airflow strength increases load on suction machine
Solution Approach 1:
The separation process is divided into multiple stages: a first separation stage for coarse separation of lightweight foreign substances, and a second separation stage for fine separation of powder materials. This multi-stage approach improves overall separation efficiency without requiring excessive airflow strength at any single stage, thereby reducing the load on the suction machine while maintaining high productivity.
Solution Approach 2:
Different separation chambers are designed with locally optimized characteristics: the first separation chamber has a larger diameter and lower airflow velocity suitable for coarse separation, while the second separation chamber has a smaller diameter and higher airflow velocity for fine separation. This local optimization allows each stage to operate at its optimal efficiency point without overloading the suction machine.
2Manufacturing precision
If single-stage separation is used, then device complexity is reduced, but separation precision for materials with small specific gravity difference deteriorates
Solution Approach 1:
The separation device is segmented into two distinct separation chambers connected in series: a first separation chamber for removing large lightweight foreign substances, and a second separation chamber for separating fine powder materials. This segmentation enables high separation precision by addressing different particle size ranges in separate stages, while the modular design keeps device complexity manageable through standardized components and straightforward configuration.
Solution Approach 2:
The first separation chamber acts as an intermediary stage that pre-processes the mixed material by removing coarse lightweight contaminants before the material enters the second separation chamber. This intermediate step protects the more complex second separation stage from being overwhelmed by large particles, thereby improving overall separation precision without requiring the second stage to handle the full complexity of the original mixture.
3Reliability
If external suction machine handles all materials, then separation completeness is improved, but energy consumption and machine load increase
Solution Approach 1:
The external suction machine's workload is segmented into two phases: the first separation chamber handles the removal of large lightweight foreign substances, and the second separation chamber handles the separation of fine powder materials. This segmentation allows the suction machine to operate at optimized airflow levels for each particle size range, achieving complete separation while minimizing total energy consumption compared to a single high-power suction stage.
Solution Approach 2:
The first separation chamber performs preliminary action by removing coarse lightweight foreign substances before the material reaches the second separation chamber and the external suction machine. This preliminary separation reduces the volume and complexity of material that the suction machine must handle, thereby reducing energy consumption while maintaining complete separation of all materials.
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 solution enables efficient separation and collection of recyclable granular material while discharging industrial waste powder material, promoting material recycling and reducing the load on external suction machines, with high versatility in handling various mixtures, including those from blast processes.
Implementation Method 1
separates the same using an airflow and a specific gravity difference
Implementation Method 2
separates the same using an airflow and a specific gravity difference
Implementation Method 3
a centrifugal falling airflow containing granular material is collected as a rapidly-accelerated vortex flow
Implementation Method 4
a centrifugal falling airflow containing granular material is collected as a rapidly-accelerated vortex flow
Data Source
AI summary
To introduce a mixture to be processed, in which powder and granular material with relatively large specific gravity and hardness and accompanying lightweight foreign substances are mixed together, inside a system and separate the same by a dry method.Disclosed is a powder and granular material separation processing device X that is connected to an external suction machine such as a dust collection device and an electric vacuum cleaner, introduces by suction a mixture to be processed into a separation processing container 1, and discharges lightweight foreign substances to the outside of a system while collecting powder and granular material inside the system. The separation processing container 1 has a suction introduction tube 2 that is attached and sealed as the upper part structure of a hopper tank 4 that collects and stores the powder and granular material and receives the mixture to be processed on the circumferential surface thereof, and a suction discharge tube 3 that is connected to an external suction machine on the upper surface thereof. In addition, the separation processing container 1 has a separation cone 11 with a funnel-shaped bottom surface and a cylindrical opening 13 that hangs in a protruding shape downward from the tip part of the separation cone 11 and of which the opening diameter thereof is reduced stepwise to have multiple steps. The suction discharge tube 3 has a multiple tube configuration at the tip part thereof in which each tube is given a small diameter corresponding to each opening diameter of the cylindrical opening 13 to be loosely inserted and face the tip part of an opening.