Rotational Separator Plate Circumferential Support Design

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Solution Overview

Problem

Existing plate type rotational separators are limited by high mechanical stress at increased rotation speeds, structural integrity issues at larger scales, and high manufacturing costs due to the need for rigid materials like steel, which restricts their efficiency and scalability.

Innovation Solution

A plate type rotational separator design featuring a carrier with alternating plates of different radial distances and support arrangements, allowing for improved force distribution and absorption, enabling higher rotation speeds and the use of lighter, easier-to-process materials like polymers and carbon fiber.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If rotation speed is increased to improve separation efficiency, then separation throughput is improved, but mechanical stress on the separator increases leading to damage or performance inhibition

Engineering Contradiction:
Improveseparation throughputVSAvoidmechanical stress on separator
Core Design Contradiction:
ProductivityVSStrength

Solution Approach 1:

The separator is divided into multiple plates arranged in a stack, with each plate being a separate structural element. The plates are connected through a carrier system that distributes mechanical stresses across multiple connection points rather than concentrating them at a single location, allowing the structure to withstand higher rotation speeds

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent utilizes composite material construction for the plates and carrier assembly, combining materials with different mechanical properties to achieve both high strength-to-weight ratio and resistance to centrifugal forces, enabling operation at higher rotation speeds without structural failure

Inventive Principle:
Principle #40Composite materials

2Productivity

If physical dimensions are increased to accommodate larger fluid volumes, then processing capacity is improved, but structural integrity is lost during operation at higher rotation speeds

Engineering Contradiction:
Improveprocessing capacityVSAvoidstructural integrity
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The separator is divided into multiple plates arranged in a stack, with each plate being a separate structural element. The plates are connected through a carrier system that distributes mechanical stresses across multiple connection points rather than concentrating them at a single location, allowing the structure to withstand higher rotation speeds

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent introduces a vertical stacking dimension to the plate arrangement, creating a three-dimensional structure that increases processing capacity without proportionally increasing the radial dimensions. This multi-dimensional approach allows larger fluid volume accommodation while maintaining structural integrity through the distributed plate-and-carrier architecture

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Strength

If rigid materials like steel are used to withstand high rotation forces, then structural strength is improved, but manufacturing complexity and costs increase

Engineering Contradiction:
Improvestructural strengthVSAvoidmanufacturing complexity
Core Design Contradiction:
StrengthVSEase of manufacture

Solution Approach 1:

The patent changes the material parameters by transitioning from traditional steel to alternative materials such as aluminum alloys, titanium, or composite materials. These materials provide sufficient structural strength for high-speed operation while offering advantages in weight reduction, corrosion resistance, and ease of manufacturing through modern fabrication processes

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent utilizes composite material construction for the plates and carrier assembly, combining materials with different mechanical properties to achieve both high strength-to-weight ratio and resistance to centrifugal forces, enabling operation at higher rotation speeds without structural failure

Inventive Principle:
Principle #40Composite 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 design allows for higher rotation speeds, increased separation efficiency, and scalability while reducing material costs and manufacturing complexity, enabling the use of lighter materials without compromising performance.

Implementation Method 1

Such separators exploit the centrifugal force acting upon any component particles suspended in the fluid from which they are to be separated

Methodology Applied
Scientific EffectCentrifugal force: Centrifugal Force

Data Source

PatentEP4255638B1Plate type rotational separator
Publication Date: 2024.02.28 BIORGANICS UFT BV
  • EP4255638B1 patent drawingFigure 1
  • EP4255638B1 patent drawingFigure 2
  • EP4255638B1 patent drawingFigure 3

AI summary

The present invention related to plate type rotational separator, comprising: a carrier (110) that is rotatable around an axial axis thereof; and a plurality of plates (121) extending in an axial direction of, and in a radial outward direction relative to, the axial axis of the carrier, wherein each of the plurality of plates (121) comprises at least one support (122) extending transverse to a surface of the plate and in a circumferential direction relative to the axial axis of the carrier, to thereby provide circumferential support for said plate when the support of said plate is supported on an adjacent plate of the plurality of plates during rotation of the carrier.