Adjustable Electrode Spacing for Stable Water Conductance
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Solution Overview
Problem
Existing water treatment systems struggle to maintain consistent conductivity for efficient electrolysis, particularly in adjusting to parameters like pH, temperature, and hardness, which affects the biocidal effect and electrode longevity.
Innovation Solution
An electrolysis cell with adjustable anode/cathode spacing and controlled conductivity adjustment using motors and sensors to maintain a constant conductance of 1 Siemens, adapting to water parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed electrode spacing is used in electrolysis cell, then device structure is simple, but electrolysis efficiency varies with water conductivity changes
Solution Approach 1:
The electrolysis cell employs adjustable electrode spacing that can be dynamically modified based on water conductivity measurements. The distance between electrodes is no longer fixed but can be adapted in real-time to maintain optimal conductance values, directly resolving the contradiction between structural simplicity and operational efficiency.
Solution Approach 2:
The invention changes the physical parameter of electrode spacing to compensate for variations in water conductivity. By adjusting this geometric parameter, the system maintains constant conductance despite changes in water composition, thereby preserving electrolysis efficiency without requiring complex chemical additions.
2Reliability
If sodium chloride is added to increase water conductivity, then electrolysis can proceed, but water quality deteriorates due to excessive salt content
Solution Approach 1:
Instead of changing the chemical composition of water by adding salt, the invention changes the physical parameter of electrode spacing to achieve the desired conductance. This physical adjustment allows electrolysis to proceed reliably without introducing harmful chemical substances into the treated water.
Solution Approach 2:
The adjustable electrode spacing acts as an intermediary mechanism that enables electrolysis process stability without requiring chemical additives. By mediating through geometric adjustment rather than chemical modification, the system achieves reliable operation while preserving water quality.
3Productivity
If high conductivity water is treated, then electrolysis efficiency increases, but electrode degradation accelerates due to increased electrical stress
Solution Approach 1:
The system dynamically adjusts the electrode spacing parameter to maintain constant conductance regardless of water conductivity variations. This prevents excessive electrical stress on electrodes during high conductivity conditions while preserving electrolysis efficiency, thereby extending electrode lifespan without sacrificing productivity.
Solution Approach 2:
The invention incorporates a feedback mechanism where water conductivity is measured and used to adjust electrode spacing accordingly. This closed-loop control ensures that conductance remains within optimal ranges, preventing both inefficient operation and excessive electrical stress that would degrade electrodes prematurely.
4Productivity
If electrode spacing is reduced to increase conductance, then electrolysis efficiency improves, but pressure drop increases and circulation is hindered
Solution Approach 1:
The invention adjusts the electrode spacing parameter dynamically rather than using a fixed reduced spacing. This allows the system to achieve optimal conductance for efficient electrolysis while maintaining sufficient spacing to avoid excessive pressure drop and circulation problems, balancing productivity with energy losses.
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
Maintains consistent electrolysis efficiency by stabilizing conductivity, enhancing biocidal effects, and prolonging electrode life by minimizing electrical stress.
Implementation Method 1
an electrolysis cell (26) comprising at least one set of two plates (28), one (28-1) forming the anode and the other (28-2) the cathode
Implementation Method 2
The redox potential is increased and helps to destroy organic matter and eliminate biological contamination
Implementation Method 3
The aim is to achieve a biocidal effect, notably through the release of hypochlorous acid into solution
Data Source
Figure 1~2
AI summary
The subject matter of the invention is a water treatment installation, comprising a water source (10), a supply pipe (12) originating from said source (10), a flowmeter (14), a metering pump (16), linked to a brine tank (20), connected by a branch line (18) downstream of the flowmeter (14), means (23) for measuring the conductivity of the water, an electrolysis chamber (22) interposed on the pipe (12) downstream of the branch line (18) and comprising an electrolysis cell (26) comprising at least one set of two plates, one of which forms the anode and the other one of which forms the cathode, made of conductive material and powered using electric cables, the assembly being linked to a control unit C, characterised in that the electrolysis cell (26) comprises means for moving the plates in order to provide a relative translation movement of the anodes relative to the cathodes so as to vary the difference between each anode and each cathode of each set of respective plates, in order to provide the water with conductance that is as close as possible to 1 siemens.