Antirust Effect Determination via Potential Difference Measurement

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Solution Overview

Problem

Current methods for determining the antirust effect of treated water are time-consuming and labor-intensive, requiring months to years to assess the effectiveness of water treatment devices in preventing metal corrosion, and often necessitate shutting down equipment for observation.

Innovation Solution

A determination device comprising two potential difference measurement systems with anode and cathode electrodes immersed in treated and untreated water, applying electric currents to expedite cathode reactions and measure potential differences to calculate the antirust effect based on the ratio of output signals.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If conventional immersion methods are used to assess metal corrosion, then measurement precision is improved, but loss of time increases significantly (months to years)

Engineering Contradiction:
Improvecorrosion assessment accuracyVSAvoidassessment time period
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces the mechanical/physical immersion observation method with an electrical measurement system. By measuring potential differences between electrodes immersed in treated and untreated water, the system rapidly determines corrosion resistance without requiring long-term physical immersion and visual inspection of metal surfaces.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention changes the measurement parameter from physical observation of metal surface corrosion (requiring months to years) to electrical potential difference measurement (completable in days). This parameter transformation enables rapid assessment while maintaining measurement precision through electrical property correlations with corrosion resistance.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If piping examination is performed to determine water treatment effectiveness, then measurement precision is improved, but ease of operation deteriorates due to equipment shutdown and water drainage requirements

Engineering Contradiction:
Improvetreatment effectiveness determinationVSAvoidoperation continuity
Core Design Contradiction:
Measurement precisionVSEase of operation

Solution Approach 1:

The patent replaces the mechanical inspection process (equipment shutdown, water drainage, physical piping examination) with an electrical measurement system. The determination device can be installed in the piping system and perform measurements while the system remains operational, eliminating the need for shutdown and drainage operations.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The determination device enables continuous operation by performing measurements in-situ within the existing piping system without requiring external intervention, equipment shutdown, or water drainage. The system serves itself by utilizing the flowing water and existing infrastructure for measurements.

Inventive Principle:
Principle #25Self-service

3Measurement precision

If long-term immersion tests are conducted to assess rust prevention, then measurement precision is improved, but productivity decreases due to extended test duration

Engineering Contradiction:
Improverust prevention assessmentVSAvoiddetermination speed
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent substitutes the time-consuming mechanical immersion test with an rapid electrical measurement system. By measuring potential differences between electrodes in treated and untreated water, the system determines rust prevention effectiveness in days rather than months or years, dramatically improving productivity.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The invention transforms the assessment parameter from long-term physical corrosion observation to short-term electrical potential measurement. This parameter change enables rapid determination of rust prevention properties while maintaining assessment precision through the correlation between electrical properties and corrosion resistance.

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

Enables rapid determination of antirust effect within days, eliminating the need for lengthy immersion tests and allowing for continuous operation of equipment, as the device measures enhanced rust prevention through electrical properties without observing the metal surface.

Implementation Method 1

A small amount of electric current flows between the anode and the cathode, which causes an oxidation reaction at the anode and a reduction reaction at the cathode. The oxidation reaction at the anode oxidizes the surface of the metal piece

Methodology Applied
Scientific EffectOxidation: Oxidation

Implementation Method 2

A small amount of electric current flows between the anode and the cathode, which causes an oxidation reaction at the anode and a reduction reaction at the cathode

Methodology Applied
Scientific EffectReduction: Reduction

Implementation Method 3

a first potential difference measurement device and a second potential difference measurement device, each of which includes: at least one anode electrode, a pair of cathode electrodes

Methodology Applied
Scientific EffectElectrical potential difference: Electric Field

Data Source

PatentUS10718734B2Method for determining antirust effect of treated water
Publication Date: 2020.07.21 TKK HLDG CO LTD
  • US10718734B2 patent drawing
  • US10718734B2 patent drawing
  • US10718734B2 patent drawing

AI summary

A method of determining an enhancement in rust-prevention of treated water by applying an electric current between a first cathode electrode and an anode electrode, and between a second cathode electrode and the anode electrode, wherein the first cathode electrode, the second cathode electrode, and the anode electrode are immersed in treated water; applying a comparative electric current between a first comparative cathode electrode and a comparative anode electrode, and between a second comparative cathode electrode and the comparative anode electrode, wherein the first comparative cathode electrode, the second comparative cathode electrode, and the at least one comparative anode electrode are immersed in untreated water; and determining an antirust effect of the treated water based on a first potential difference across the first cathode electrode and the second cathode electrode, and a second potential difference across the first comparative cathode electrode and the second comparative cathode electrode.