Ozone Water Generator Cathode Scale Removal via Power Alternation
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Solution Overview
Problem
Conventional ozone water generators face issues with scale accumulation on cathodes during electrolysis, leading to reduced performance and requiring cumbersome chemical descaling or complex equipment changes, which can damage switching devices.
Innovation Solution
A method for controlling power supplied to an ozone water generator involves alternating high and low power levels to cathode plate assemblies within specific time frames, allowing for in-situ scale removal without chemicals and simplifying the equipment structure by using a single-chip microcomputer and MOS transistors for high-speed switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If chemicals are used to remove scale from the cathode, then scale removal effectiveness is improved, but device complexity and maintenance burden increase due to disassembly and chemical soaking requirements
Solution Approach 1:
The system automatically removes scale from the cathode by periodically reversing the polarity of the power supply, causing the scale to detach and be flushed away by water flow. This self-cleaning mechanism eliminates the need for manual disassembly and chemical soaking, allowing the ozone water generator to maintain itself during normal operation without user intervention.
Solution Approach 2:
The power supply polarity is periodically reversed at predetermined intervals during operation. This periodic polarity reversal creates alternating electric field directions that prevent scale from firmly adhering to the cathode surface, enabling continuous scale removal without stopping the electrolysis process or requiring manual intervention.
2Object-affected harmful factors
If the anode and cathode are alternately changed intermittently to remove scale, then scale removal is achieved, but equipment structure becomes complicated and cost increases due to requirement of gas discharge port
Solution Approach 1:
The system uses the water flow already present in the electrolysis process to flush away detached scale. The natural water circulation carries the loosened scale particles out of the electrolysis chamber without requiring additional gas discharge ports or complex structural modifications, simplifying the overall equipment design.
3Extent of automation
If relay is used for power switching to alternate cathode plates, then cathode plate alternation is achieved, but reliability decreases due to contact damage from frequent switching ignition
Solution Approach 1:
The patent replaces the mechanical relay switching system with electronic switching components such as transistors or solid-state relays. This substitution eliminates the arc ignition and contact wear problems associated with mechanical relays, significantly improving the reliability and lifespan of the switching device while maintaining automated cathode plate alternation control.
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 effectively removes scale during operation, maintaining electrolysis performance without chemical descaling, simplifies maintenance, and eliminates the need for additional gas discharge ports, ensuring stable and efficient ozone water generation.
Implementation Method 1
Ozone can be generated under the action of an electric field and an anode catalyst by electrolyzing taper water. The electrolysis process is very complicated... the main reaction at the anode: 3H2O=O3+6H++6e−... the main reaction at the cathode: 2H++2 e=H2
Implementation Method 2
Ozone can be generated under the action of an electric field and an anode catalyst by electrolyzing taper water
Implementation Method 3
The generated gas is discharged with the water flow, so there is no need for an additional gas discharge port
Data Source
AI summary
A method for controlling power supplied to an ozone water generator is disclosed. The ozone water generator includes an electrolytic plate unit. The electrolytic plate unit includes an anode plate assembly composed of a plurality of anode plates, a first cathode plate assembly composed of a plurality of first cathode plates, and a second cathode plate assembly composed of a plurality of second cathode plates. In the process of electrolyzing water, the two cathode plate assemblies alternately obtain a relatively high-level signal at a short time, and the two cathode plate assemblies obtain a relatively low-level signal at other times. During the use of the ozone water generator, the scale formed on the surface of the cathode plate assembly can be removed in time, so as to ensure the electrolysis performance of the ozone water generator, without descaling by chemicals. No maintenance is required.