Electrolysis Control System for Stabilizing Activated Solution pH and ORP

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Solution Overview

Problem

Existing devices for producing electrochemically activated solutions, such as Electrolyzed Oxidized Water (EOW), have a lengthy start-up time before producing a usable solution, which affects the stability and quality of the electrolysis process.

Innovation Solution

The device incorporates an electrochemical reactor, measuring means, and control units that continuously monitor and adjust the electrolysis process parameters, including pH and ORP, to ensure target values are met, allowing for quick stabilization and quality control, with features like feedback of catholyte solution and automatic regeneration to maintain optimal conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If continuous monitoring and adjustment of electrolysis parameters is implemented, then solution quality and stability are improved, but device complexity increases

Engineering Contradiction:
Improvesolution quality stabilityVSAvoidcontrol system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements continuous monitoring of pH and ORP parameters during electrolysis, with automatic feedback control that adjusts process parameters to maintain target values. This ensures consistent solution quality while automating the control process to manage system complexity.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system automatically regulates its own operation through integrated sensors and control mechanisms that continuously adjust electrolysis parameters without external intervention, maintaining solution quality while reducing the need for manual monitoring and adjustment.

Inventive Principle:
Principle #25Self-service

2Productivity

If rapid start-up is achieved through simplified startup procedures, then productivity is improved, but manufacturing precision may deteriorate

Engineering Contradiction:
Improvestart-up speedVSAvoidelectrolysis process precision
Core Design Contradiction:
ProductivityVSManufacturing precision

Solution Approach 1:

The system pre-configures optimal electrolysis parameters and automatically initiates the electrolysis process at predetermined settings, enabling rapid start-up while ensuring that precision is maintained from the beginning of operation through automated parameter control.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system automatically adjusts electrolysis parameters (current, voltage, flow rate) according to pre-programmed sequences during start-up, allowing rapid transition to operational state while maintaining precise control over the electrolysis process throughout the start-up phase.

Inventive Principle:
Principle #35Parameter changes

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 approach significantly reduces start-up time, ensures a stable and high-quality electrochemically activated solution production by continuously monitoring and adjusting the electrolysis process, maintaining optimal pH and ORP levels, and preventing operational issues like scaling and temperature increases.

Implementation Method 1

Device for producing an electrochemically activated solution by means of an electrolysis process

Methodology Applied
Scientific EffectElectrolysis: Electrolysis

Implementation Method 2

the second control unit compares the measured pH value to a predetermined target value

Methodology Applied
Scientific EffectpH measurement:

Implementation Method 3

the measuring means are adapted to measure the ORP value of the produced solution before dispensing

Methodology Applied
Scientific EffectOxidation Redox Potential measurement: Redox Reactions

Implementation Method 4

the measuring means are adapted to measure a first temperature value of at least one of the raw materials, for instance water, and a second temperature value of the solution

Methodology Applied
Scientific EffectTemperature measurement:

Implementation Method 5

the measuring means are adapted to measure the EC value for the electrical conductivity of the solution and of the inflow water

Methodology Applied
Scientific EffectElectrical conductivity measurement: Conduction (electrical)

Data Source

PatentEP2569254B1Device for producing an electrochemically activated solution by means of an electrolysis process
Publication Date: 2015.03.18 WATTER HLDG
  • EP2569254B1 patent drawingFigure 1
  • EP2569254B1 patent drawingFigure 2A
  • EP2569254B1 patent drawingFigure 2B

AI summary

Device for producing an electrochemically activated solution, such as an anolyte or a catholyte solution, by means of an electrolysis process, for instance EOW, on the basis of one or more raw materials, for instance water and salt, comprising an electrochemical reactor for performing the electrolysis process, measuring means for measuring various parameter values of the electrolysis process and/or the solution, and a first and second control unit which are connectable to the measuring means for the purpose of adjusting the electrolysis process on the basis of the parameter values until the parameter values meet predetermined target values, after which the solution is approved.