Soft Water Regenerant Dosing Control for Variable Water Demand
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Solution Overview
Problem
Existing water softener regeneration control methods do not adequately account for variations in user water consumption patterns, leading to inefficiencies, resource waste, and potential hardness leakage, due to fixed installation positions of sensors and rigid regeneration schedules.
Innovation Solution
A method and system for dynamically adjusting soft water regenerant dosage based on actual operating conditions, including water consumption and flow rate, to optimize regenerant usage and minimize costs while ensuring water quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If fixed regeneration schedules are used, then system operation is simplified, but regenerant waste and hardness leakage occur due to mismatch with actual water consumption patterns
Solution Approach 1:
The patent implements dynamic regeneration control by transitioning from fixed schedules to adaptive dosing that responds to real-time water consumption patterns. The system continuously monitors operating conditions and adjusts regenerant dosage dynamically, allowing the regenerant dosing rate to vary based on actual resin exhaustion levels rather than following a predetermined fixed schedule.
Solution Approach 2:
The system incorporates feedback mechanisms by monitoring water consumption patterns and resin capacity utilization in real-time. This feedback loop enables the control system to detect when regeneration is actually needed based on measured operating conditions, and adjust the regenerant dosage accordingly, preventing both waste from premature regeneration and hardness leakage from insufficient regeneration.
2Device complexity
If fixed regeneration schedules are used, then control system is simpler, but water quality deteriorates due to potential hardness leakage
Solution Approach 1:
The control system transitions from static fixed schedules to dynamic adaptive control that continuously adjusts regenerant dosing based on real-time monitoring of water consumption and resin capacity. This dynamic approach ensures water quality consistency by matching regeneration timing and dosage to actual operating conditions rather than following rigid predetermined schedules.
Solution Approach 2:
The system uses feedback from water consumption monitoring and resin capacity measurement to maintain reliable water quality. By continuously detecting actual operating conditions and adjusting regenerant dosage in response, the system prevents hardness leakage that would occur with fixed schedules, ensuring consistent water quality while managing control complexity through automated feedback loops.
3Reliability
If regenerant dosage is increased to ensure complete regeneration, then water quality is maintained, but resource waste increases
Solution Approach 1:
The patent applies parameter changes by adjusting the regenerant dosage parameter dynamically based on measured resin capacity utilization and water consumption patterns. Rather than using a fixed high dosage to ensure complete regeneration, the system calculates and applies the precise dosage needed based on actual operating conditions, thereby maintaining water quality while minimizing regenerant consumption.
Solution Approach 2:
The feedback mechanism monitors resin capacity utilization and water consumption to determine the actual regeneration needs. This information feeds back to the dosing system, which adjusts the regenerant dosage to match actual requirements, preventing both over-dosing (waste) and under-dosing (quality issues) by continuously adapting to measured operating conditions.
4Loss of substance
If regenerant dosage is decreased to reduce costs, then resource efficiency improves, but water quality may deteriorate due to insufficient regeneration
Solution Approach 1:
The system dynamically changes the regenerant dosage parameter based on measured resin capacity and water consumption patterns. By calculating the precise dosage needed to achieve complete regeneration based on actual operating conditions, the system avoids both excessive dosing (waste) and insufficient dosing (quality deterioration), optimizing the balance between cost efficiency and water quality.
Solution Approach 2:
The feedback loop continuously monitors resin capacity utilization and adjusts regenerant dosage accordingly. This ensures that the dosage is never below the threshold needed for complete regeneration (preventing quality deterioration) while also avoiding excessive dosing (preventing waste), thereby maintaining water softening effectiveness while optimizing regenerant efficiency.
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 adaptively adjusts regenerant dosage to match user needs, reducing waste and costs while maintaining water quality by predicting consumption patterns and optimizing regenerant usage.
Implementation Method 1
hardness is removed from water through ion exchange to soften water quality
Data Source
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AI summary
Disclosed is a soft water regenerant dosage control method, comprising: acquiring operating parameters of a water softener (S1); and if the operating parameters of the water softener in a current water production period are greater than the maximum value in a first preset range, reducing the dosage of a soft water regenerant on the basis of a specified regenerant dosage of the water softener in a next regeneration period, and if the operating parameters of the water softener in the current water production period are smaller than the minimum value in the first preset range, increasing the dosage of the soft water regenerant on the basis of the specified regenerant dosage of the water softener in the next regeneration period (S5), wherein the first preset range is represented by means of a water production amount or an operating exchange capacity in a specified period. The dosage of a regenerant can be reasonably adjusted while the water quality is ensured, the waste of the regenerant is avoided, and the use costs of users are reduced.