Helical Drum Separator With Blower Ejection for Filter-Free Slurry Separation
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Solution Overview
Problem
Centrifugal separators used for slurry separation are often inefficient and generate waste due to the use of filtration materials.
Innovation Solution
A centrifugal solids-liquid separator system with a drum spinning about a rotational axis and a helical channel that moves solid particles up into a blower channel, utilizing variable speed control to enhance separation efficiency by inertial forces, and a blower to expel solids, with a receiving base for liquid filtration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If centrifugal separators use filtration material to separate solids from liquid, then separation can be achieved, but waste is generated and efficiency is limited
Solution Approach 1:
The patent removes the filtration material component from the separation system entirely. Instead of using filters to separate solids from liquid, the invention extracts only the essential centrifugal separation function, allowing solids to be separated and ejected through a blower without requiring any filtration media that would generate waste.
Solution Approach 2:
The patent replaces the mechanical filtration system with a pneumatic-ejection system. Rather than relying on physical filters to trap solids, the invention uses centrifugal force combined with a blower mechanism to mechanically eject solids from the separation chamber, eliminating the need for filtration materials.
2Reliability
If the drum rotates at constant speed, then operation is simple, but separation efficiency is limited
Solution Approach 1:
The patent implements variable speed control of the drum rotation, allowing the system to dynamically adjust rotational speed based on operational requirements. This dynamic adjustment enables optimization of centrifugal force for different separation tasks, improving efficiency while the control system manages the complexity through automated or programmable speed variations.
Solution Approach 2:
The patent employs periodic acceleration and deceleration cycles of the drum to enhance separation efficiency. By periodically varying the rotational speed, the system creates optimal conditions for solids to migrate to the drum wall and be ejected, while the periodic nature of this action allows for manageable control complexity through rhythmic, predictable cycles.
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 system effectively separates solid particles from liquid, reducing waste and enhancing separation efficiency through rapid acceleration and deceleration of the drum, allowing for efficient collection or recycling of solids and disposal of liquids.
Implementation Method 1
The drum is moved with a variable speed to cause the solid particles to move up the helical channel... The speed of the drum may be changed quickly from a first speed to a second speed, accelerated or decelerated, to cause an inertial force that slides the solid particles along the helical channel.
Implementation Method 2
Centrifugal separators are often used but with limited efficiency... A centrifugal solids-liquid separator system having a drum that spins about a rotational axis with a helical channel for moving solid particles up into a blower channel
Data Source
AI summary
A centrifugal solids-liquid separator system has a drum that spins about a rotational axis with a helical channel for moving solid particles up into a blower channel and out a blower outlet, wherein the drum is moved with a variable speed to cause the solid particles to move up the helical channel. The helical channel is configured along an inside wall of the drum and the solid particles from a slurry move up along the helical channel to a top flange and over this top flange into the blower channel. The blower then forces the solid particles out of the system. The liquid of the slurry flows from a receiving base configured at the base of the helical channel or drum, out of a liquid outlet to exit the system for collection or disposal. A motor spins the drum and may power the blower to operate the system.