Electrochemical Cell Flow Control for Consistent Biocidal Output
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Solution Overview
Problem
Existing electrochemical cell systems for sodium chloride electrolysis lack consistency and efficiency in producing biocidal solutions due to inadequate control over current and electrolyte flow, leading to uneven output and potential cell underutilization or overutilization.
Innovation Solution
A system comprising multiple electrochemical cells with independent flow control and current measurement devices, a control system that adjusts electrolyte flow based on current set points, and recirculation of catholyte fluid for temperature and concentration control, ensuring consistent output and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If independent flow control devices are installed for each electrochemical cell, then manufacturing precision of electrolyte distribution is improved, but device complexity increases
Solution Approach 1:
The system divides the electrolyte distribution control into independent segments, with each electrochemical cell having its own flow control device. This segmentation allows precise control of electrolyte flow to each individual cell, ensuring consistent electrolyte distribution across all cells while enabling independent optimization of each cell's operation.
Solution Approach 2:
The flow control devices are made dynamically adjustable based on real-time current measurements from each cell. The control system continuously monitors current output and adjusts electrolyte flow rates dynamically to maintain optimal operating conditions, improving manufacturing precision through adaptive control.
2Productivity
If current measuring devices and control systems are implemented for each cell, then productivity is improved through consistent output, but device complexity increases
Solution Approach 1:
Each electrochemical cell is equipped with a current measuring device that provides real-time feedback to the control system. The control system uses this feedback to adjust the electrolyte flow rate for each cell, creating a closed-loop control system that maintains consistent solution output and maximizes productivity through continuous optimization.
Solution Approach 2:
The control system performs multiple functions: it monitors current output, regulates electrolyte flow, and optimizes cell operation. By integrating these functions into a single universal control platform, the system achieves consistent productivity without proportionally increasing complexity.
3Productivity
If electrolyte flow rate is increased to improve productivity, then quantity of solution produced increases, but current consistency deteriorates
Solution Approach 1:
The system dynamically adjusts electrolyte flow rates based on real-time current measurements. When current output begins to deteriorate or fall below optimal levels, the system increases flow rate to maintain productivity. This dynamic adjustment allows the system to maintain both high productivity and current consistency by adapting to changing operating conditions.
Solution Approach 2:
The control system monitors current output parameters and adjusts the electrolyte flow rate parameter accordingly. By changing the flow rate parameter in response to current consistency measurements, the system maintains optimal productivity while preventing current output deterioration through continuous parameter optimization.
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
The system achieves consistent production of biocidal solutions by maintaining desired current levels and electrolyte concentrations across each cell, enhancing efficiency and allowing for better detection of faulty cells, thus improving overall system performance.
Implementation Method 1
each electrochemical cell being configured to electrolyze an electrolyte to generate an anolyte fluid and a catholyte fluid
Data Source
AI summary
A system comprises a plurality of electrochemical cells each comprising an anode chamber and a cathode chamber, each cell configured to electrolyze electrolyte to generate an anolyte and a catholyte, a plurality of sets of one or more flow control devices, each of the sets being configured to control a flow rate of the electrolyte into a corresponding cell, a plurality of current measuring devices, each configured to measure a current across a corresponding one of the plurality of cells, and a control system in data communication with the flow control devices and the current measuring devices. The control system is configured to compare the measured current across each of the cells to a current set point, and control the flow control devices to adjust the flow rate of the electrolyte in response to a difference between the measured current across a cell and the current set point.