Pulsed Electrode Fluid Ionization to Cut By-Products and Power
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Solution Overview
Problem
Existing methods for fluid ionization, such as those using UV and ozone generators, often produce undesired by-products like NOx and have inefficiencies in ionization efficiency and maintenance costs.
Innovation Solution
A method involving a pair of electrodes with controlled voltage and frequency, creating electric discharges that ionize the fluid efficiently without continuous arcs, using a transformer to supply alternating current at 7.5 kV and 20 kHz, and optionally incorporating magnetic fields and pulsing fluid flow to enhance ionization efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If strong electrical discharge is used to ionize the fluid, then ionization efficiency is improved, but power consumption increases
Solution Approach 1:
The patent applies periodic pulsed electrical discharge instead of continuous discharge. The power supply delivers voltage in controlled pulses at specific frequency, creating intermittent electric fields that ionize the fluid only during active pulses. This periodic action maintains high ionization efficiency during pulse duration while significantly reducing average power consumption compared to continuous discharge methods.
Solution Approach 2:
The patent dynamically adjusts the voltage and frequency parameters of the electrical discharge. By controlling the pulse width, frequency, and amplitude dynamically, the system optimizes ionization efficiency for different operating conditions while minimizing energy waste. The dynamic control allows the discharge strength to be matched precisely to the required ionization level without excessive power consumption.
2Productivity
If continuous electrical discharge is used, then ionization efficiency is improved, but electrode corrosion increases
Solution Approach 1:
The pulsed discharge creates intermittent electrical fields that are active only during pulse duration. This periodic action reduces cumulative thermal and electrical stress on the electrodes compared to continuous discharge. The fluid flow continuously removes heat and reaction products from the electrode surfaces during pulse intervals, preventing excessive corrosion and extending electrode operational life.
Solution Approach 2:
The patent introduces the fluid itself as a mediator between the electrodes. The continuously flowing fluid acts as a cooling medium and reaction product carrier, removing heat and corrosive substances from the electrode surfaces during the intervals between discharge pulses. This intermediary action protects the electrodes from direct prolonged exposure to harsh conditions while maintaining effective ionization during active pulses.
3Productivity
If high voltage is applied to create electric discharges, then ionization efficiency is improved, but by-product formation increases
Solution Approach 1:
The pulsed discharge limits the duration of high-voltage application to brief intervals. By confining the high-energy electrical discharge to short pulse durations followed by intervals where no discharge occurs, the system achieves necessary ionization while minimizing the cumulative chemical reactions that produce unwanted by-products such as ozone and nitrogen oxides. The periodic nature allows the fluid to dilute and transport away reaction intermediates before they can form harmful by-products.
Solution Approach 2:
The pulsed discharge methodology rushes through the ionization process in brief, intense bursts rather than prolonged exposure. The high voltage is applied just long enough to create the necessary ionization effect, then immediately discontinued. This skipping approach achieves the ionization objective while minimizing the time available for secondary reactions that generate harmful by-products.
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
Achieves high ionization efficiency with reduced by-product formation, lower power consumption, and extended device lifespan by minimizing corrosion and maintenance needs.
Implementation Method 1
a transformer to supply alternating current at 7.5 kV and 20 kHz
Implementation Method 2
When the electrical discharge is sufficiently strong, conditions are created for the gas to become separated into positive ions and electrons, wherein the air is ionized
Implementation Method 3
charging each one of the electrodes in the first pair of electrodes so that they are simultaneously negatively or positively charged creating such a potential difference between each one of the electrodes and an environment of the respective electrode that electric discharges takes place from each one of the electrodes
Implementation Method 4
affecting the fluid flow by a magnetic field in the vicinity of the electrodes in the first pair of electrodes for interaction with the discharged electrons from the electrodes for affecting the electric discharges for supporting the ionization of the fluid
Data Source
AI summary
In a method for ionization of a fluid, wherein a first pair of electrodes are arranged in a container opposite each other and at a distance from each other, the method includes charging each one of the electrodes in the first pair of electrodes so that they are simultaneously negatively or positively charged creating such a potential difference between each one of the electrodes and an environment of the respective electrode that electric discharges takes place from each one of the electrodes, and conveying the fluid in a gaseous state inside the container past the first pair of electrodes in the environment of the respective electrode during the charging for ionization of the fluid.