Ultrasonic Flow-Through Separator Channel Segmentation
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Solution Overview
Problem
Conventional ultrasonic wave-based suspension processing technologies face limitations in achieving high separation efficiency due to the difficulty in forming standing waves in longer channel structures, which restricts the separation ability of suspended matter in suspensions.
Innovation Solution
A suspension flow-through separation apparatus with a configuration of multiple flow-through separation units, where ultrasonic waves are emitted by oscillators positioned on planar portions, creating a standing wave field that captures suspended matter effectively, allowing for efficient separation by adjusting the number of units and flow direction to enhance separation ability without increasing the apparatus size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the length of the channel portion is increased to enhance separation ability, then the number of antinodes and nodes increases, but standing wave formation becomes difficult due to ultrasonic wave absorption
Solution Approach 1:
The channel portion is divided into multiple segments (first channel portion and second channel portion) with different cross-sectional areas. This segmentation allows the system to maintain effective standing wave formation in each segment while achieving extended total length for enhanced separation ability. The first channel portion has a smaller cross-sectional area optimized for standing wave formation, while the second channel portion has a larger cross-sectional area that accommodates aggregate settlement.
2Manufacturing precision
If the channel portion length is limited to maintain standing wave formation, then separation ability is restricted, but apparatus size cannot be increased
Solution Approach 1:
The channel portion transitions from a uniform cross-section to a variable cross-section design, changing the dimensional characteristics along the flow direction. This allows the channel to effectively utilize both length (for separation) and cross-sectional area (for standing wave formation and aggregate settlement), resolving the contradiction between limited length and required separation ability.
3Manufacturing precision
If the number of antinodes and nodes is increased for better separation, then more suspended matter can be captured, but the channel becomes too long for effective ultrasonic wave propagation
Solution Approach 1:
The channel is segmented into portions with different cross-sectional areas, allowing ultrasonic waves to effectively propagate in the first portion (smaller cross-section) where standing waves form, while the second portion (larger cross-section) provides extended length for aggregate settlement without requiring ultrasonic wave propagation throughout the entire length.
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
This configuration enables high-efficiency separation of suspended matter, allowing for flexible adjustment of separation ability and space usage, while maintaining effective separation performance even in longer channel structures.
Implementation Method 1
an ultrasonic oscillator that is provided at least one of the first planar portion and the second planar portion, and emits ultrasonic waves to the channel based on a driving signal
Implementation Method 2
the ultrasonic waves emitted from the oscillator are reflected by the reflection plate, and thus a standing wave is formed in the channel portion
Implementation Method 3
When a node that is a region with high sound pressure and an antinode that is a region with a low sound pressure cyclically appear along the channel portion, in a case where there is suspended matters which are sufficiently small in comparison with intervals between the antinode and the node in the channel portion, the suspended matters are captured at the position of the antinode or the node
Implementation Method 4
In a case where the settling velocity increases, the aggregate settles down to a bottom portion of the channel portion in a vertical direction, and condensed
Implementation Method 5
In a case where the floating velocity increases, the aggregate floats on an upper portion of the channel portion in the vertical direction and condensed
Data Source
AI summary
A suspension flow-through separation apparatus includes a flow-through separator including a flow-through separation unit. The flow-through separation unit includes a cavity structure that functions as a channel through which a suspension flows, a side surface portion which extends in an x-direction of the cavity structure, a supply port which is provided at one side surface portion, an outlet port which is provided at the other side surface portion, two planar portions that extend in a y-direction in the cavity structure and face to each other, and an ultrasonic oscillator that is provided at least one of two planar portions, and emits ultrasonic waves to the channel. The suspended matter in the suspension is captured by the ultrasonic waves and separated in a z-direction that is a vertical direction while the suspension flows through the channel of the flow-through separator.