Electric-Field Filtration Chamber for Continuous Slurry Dewatering
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing filtration devices require stopping the supply of slurry to collect concentrate, necessitating batch processing and preventing continuous liquid removal.
Innovation Solution
A filtration device with a filter chamber and electrode groups that apply electric fields to separate particles and liquids, allowing continuous discharge of separated substances through discharge chambers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If batch processing is used to collect concentrate, then concentrate can be collected, but slurry supply must be stopped and continuous processing is prevented
Solution Approach 1:
The filter chamber is divided into multiple regions by partition walls, creating separate concentrate collection zones. This segmentation allows the concentrate to be collected in specific compartments while slurry continues to flow through the filter chamber, enabling continuous processing without interruption.
Solution Approach 2:
A bypass line with a switch valve is introduced as an intermediary component to manage slurry flow. The switch valve can redirect slurry flow through the bypass line to alternative discharge paths, allowing the main filter chamber to continue operating while concentrate is collected in partitioned regions, thus maintaining continuous processing capability.
2Productivity
If concentrate is collected on filter material, then liquid removal is achieved, but additional space and operations are required
Solution Approach 1:
The concentrate collection function is merged with the filter chamber structure by using partition walls to create integrated collection compartments within the same housing. This eliminates the need for separate external collection containers and reduces overall system complexity while maintaining liquid removal efficiency.
Solution Approach 2:
The system uses gravity and pressure differentials to automatically drain concentrate into the partitioned collection chambers without requiring external pumping or manual intervention. The switch valve can automatically redirect flow paths, enabling the system to serve itself by continuously collecting concentrate as slurry passes through the filter.
3Ease of operation
If slurry supply is stopped for concentrate collection, then concentrate can be discharged, but processing continuity is broken
Solution Approach 1:
The filter chamber is pre-divided into multiple regions with partition walls and equipped with a bypass line system before processing begins. This preliminary configuration allows concentrate to be continuously collected in separate compartments while slurry flow is maintained through the filter chamber, enabling concentrate discharge without stopping slurry supply.
Solution Approach 2:
The switch valve provides dynamic control over slurry flow paths, allowing real-time redirection of slurry through the bypass line to alternative discharge paths. This dynamic adjustment enables the system to maintain continuous processing while concentrating and discharging concentrate through the partitioned regions without interruption.
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
Enables continuous liquid removal processing without concentrate deposition, reducing the need for additional space and operations, and enhancing efficiency.
Implementation Method 1
a first electrode group or a second electrode group including a cathode electrode or an anode electrode provided on both side surfaces of the filter chamber to face each other and configured to separate the particle and the liquid in the slurry into separated substances by an electric field action
Data Source
AI summary
A filtration device according to the present invention includes: a filter chamber 3 to which slurry 40 containing a particle and a liquid having different electric charges is supplied through a supply line; a first electrode group 10A or a second electrode group 10B including cathode electrodes 11, 12 or anode electrodes 13, 14 provided on both side surfaces of the filter chamber to face each other and configured to separate the particle 42 and the liquid 41 in the slurry 40 into separated substances by an electric field action; and a first discharge chamber 4 and a second discharge chamber 5 provided for the first electrode group 10A and the second electrode group 10B to face the filter chamber 3 and configured to allow discharging of the separated substances.