Vortex Filtration Tank Geometry for Central Debris Removal
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Solution Overview
Problem
Existing filtration devices struggle to efficiently separate and remove foreign matters such as chips and metal powder from liquids discharged from machine tools, leading to retention and accumulation in the filtration tank.
Innovation Solution
A filtration device with a tank design featuring inclined surfaces covering corners and a central pump to generate a vortex flow, collecting foreign matters in the central portion for efficient removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a conventional filtration tank is used without vortex flow generation, then the device complexity is reduced, but the separation efficiency of foreign matters deteriorates
Solution Approach 1:
The liquid flow itself generates the vortex flow through the inclined surfaces and corner structures, without requiring external vortex generation devices. The system uses the kinetic energy of the incoming liquid to create the separating vortex flow automatically, making the liquid serve dual purposes: filtration medium and vortex generator
Solution Approach 2:
The inclined surfaces at the four corners of the tank are designed with specific curvature and angles to guide the liquid flow and generate vortex motion. The curved geometry of the inclined surfaces transforms linear flow into rotational vortex flow, improving separation efficiency without adding mechanical components
2Productivity
If the tank is designed with inclined surfaces and corner structures to generate vortex flow, then the collection of foreign matters is improved, but the device complexity increases
Solution Approach 1:
The tank interior is segmented into four corner regions, each equipped with inclined surfaces that work independently to generate vortex flow. This segmentation allows the vortex generation function to be distributed across multiple locations, improving overall collection efficiency while keeping each individual component simple and modular
3Productivity
If foreign matters are allowed to accumulate in the filtration tank, then the loss of substance is reduced, but the productivity of the filtration device deteriorates
Solution Approach 1:
The vortex flow continuously extracts foreign matters from the liquid stream and concentrates them at the center of the tank where they can be easily removed. The centrifugal force of the vortex flow actively separates and extracts contaminants, preventing their accumulation in the main filtration area and maintaining high filtration efficiency
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 effectively collects and discharges foreign matters, minimizing retention and improving the efficiency of liquid treatment by enhancing vortex flow generation and flow rate.
Implementation Method 1
a vortex flow is generated in the first tank by the liquid flowing into the first tank to collect the foreign matters in the central portion of the first tank
Data Source
AI summary
According to one aspect of the present invention, a filtration device includes a tank portion including a first tank to which a liquid containing foreign matters flows, and a pump provided at a central portion of the first tank to discharge the liquid stored in the first tank. The first tank includes a bottom surface, four side surfaces connected to the bottom surface, four corners to which the bottom surface and two of the four side surfaces are connected, and four inclined surfaces covering the four corners. The four inclined surfaces are inclined to be close to the bottom surface from a connecting portion to which the two side surfaces are connected toward the central portion.