Solid-Liquid Separator Roller With Inside Drum
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Solution Overview
Problem
Conventional solid-liquid separators using a roller system face issues with air retention, foam generation, and clogging due to insufficient pressure exerted on the screen, leading to inefficient separation and cleaning challenges, especially when handling soybean soup.
Innovation Solution
The introduction of an inside drum within the rollers and a passageway formed between the drum and the screen allows for balanced pressure application, enhancing the discharge of air and foams, and facilitating easy cleaning by allowing the liquid to flow rapidly through the screen, reducing residue and detergent usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the roller is hollow with conventional structure, then the roller can be manufactured simply, but air is difficult to deaerate and pressure of liquid substance is insufficiently exerted on the screen
Solution Approach 1:
An inside drum is nested within the hollow roller, creating a nested structure where the inside drum occupies the internal space of the roller. This nested configuration allows the liquid substance to be introduced into the inside drum and directly contact the screen from the inner side, enabling sufficient pressure to be exerted on the screen while maintaining the hollow roller's manufacturing simplicity.
2Productivity
If pressure is strongly exerted on the screen with increased liquid substance amount, then separation efficiency is improved, but minute solid substances pass through the screen and foams are generated and retained inside the screen
Solution Approach 1:
The harmful foams and air are extracted from the system by introducing them into the inside drum through the liquid substance flow. The inside drum acts as a collection chamber that allows foams to be discharged separately from the separated liquid, removing the harmful factor from the main separation process and preventing foam retention on the screen.
Solution Approach 2:
The inside drum serves as an intermediary between the liquid substance supply and the screen. It mediates the pressure transmission to ensure balanced pressure distribution on the screen, preventing excessive pressure that would cause foam generation while maintaining sufficient pressure for effective separation.
3Device complexity
If the roller structure is conventional without inside drum, then the structure is simple, but cleaning is difficult and residue accumulates on the screen
Solution Approach 1:
The roller is segmented into two functional parts: the outer hollow roller structure and the inner removable inside drum. This segmentation allows the inside drum to be separately accessed and removed for cleaning purposes, while the outer roller maintains its structural integrity. The screen can be cleaned from the inside by accessing the inside drum, making residue removal much easier.
4Stress or pressure
If liquid substance flows slowly through the screen, then pressure is reduced, but residue and detergent usage increase during cleaning
Solution Approach 1:
Hydraulic principles are applied by introducing liquid substance into the inside drum to create pressure from the inside out. This hydraulic pressure efficiently removes residue from the screen during cleaning with reduced detergent usage, as the liquid flow mechanically flushes the screen surface rather than relying on chemical action alone.
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 effectively reduces air retention and foam generation, ensuring efficient separation and cleaning, while preventing clogging and improving the overall performance of the solid-liquid separator.
Implementation Method 1
a screen which is formed in an outer periphery with plural pores for separating via the plural pores a solid substance from a solid-liquid substance disposed outside the rollers and filtering a liquid substance toward inside the rollers
Implementation Method 2
a passageway which is formed by means of the screen and the inside drum, which is provided with an outlet and along which the liquid substance separated by means of the screen is allowed to flow, collected at the outlet and discharged from the outlet
Data Source
AI summary
A solid-liquid separator using a roller system includes a casing, rollers disposed within the casing and each provided with a screen that is formed in the outer periphery thereof with plural pores for separating via the plural pores a solid substance from a solid-liquid substance disposed outside the rollers and filtering a liquid substance toward inside the rollers, inside drums each disposed along the inner circumference of each of the rollers, and a passageway which is formed by means of the screen and the inner drum and which is provided with an outlet. The liquid substance separated by means of the screen is allowed to flow along the passageway, collected at the outlet and discharged from the outlet.