Wet Cyclone Particle Collector Non-Continuous Liquid Delivery
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Solution Overview
Problem
Wet cyclone particle collectors consume large amounts of liquid during operation, making them impractical for continuous use in applications with limited accessibility.
Innovation Solution
A wet cyclone particle collector design that delivers collection liquid in a non-continuous fashion, using a pump and valve system to maintain a positive pressure in a collection liquid tank, reducing liquid consumption while maintaining a thin liquid layer on the cyclone walls to trap particles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If continuous liquid delivery is used to maintain particle collection efficiency, then collection efficiency is improved, but liquid consumption increases
Solution Approach 1:
The patent applies periodic action by delivering collection liquid in intermittent pulses rather than continuously. The pump operates in cycles, delivering liquid only when needed to maintain the liquid layer on cyclone walls, thereby reducing overall liquid consumption while preserving particle collection efficiency through strategic timing of liquid delivery.
Solution Approach 2:
The system dynamically adjusts liquid delivery based on operational conditions. The pump and valve system can modulate delivery timing and quantity in response to varying particle loads and operational requirements, optimizing the balance between maintaining effective particle collection and minimizing liquid consumption.
2Reliability
If liquid is delivered continuously to maintain thin liquid layer on cyclone walls, then particle trapping efficiency is improved, but operational duration is reduced due to liquid depletion
Solution Approach 1:
By switching from continuous to periodic liquid delivery, the system extends operational duration significantly. The liquid is delivered in pulses that are sufficient to maintain the thin liquid layer needed for particle trapping, then paused until needed again, allowing the collector to operate for extended periods without liquid depletion.
Solution Approach 2:
The system changes the temporal parameter of liquid delivery from continuous to intermittent pulsing. This parameter change allows the liquid layer to be maintained at sufficient thickness for effective particle trapping while reducing total liquid consumption, thereby extending the operational duration before liquid reservoir depletion.
3Reliability
If high liquid flow rate is used to ensure adequate liquid coverage on cyclone walls, then collection efficiency is improved, but liquid consumption increases
Solution Approach 1:
The system delivers liquid in periodic pulses rather than continuously at high flow rates. Each pulse provides sufficient liquid to maintain adequate coverage on cyclone walls for effective particle collection, but the intermittent nature of delivery dramatically reduces total liquid quantity consumed over time.
Solution Approach 2:
The system applies partial action by delivering just enough liquid in each pulse to maintain the minimum required liquid layer thickness for effective particle collection, rather than continuously supplying excessive amounts of liquid. This optimized approach maintains collection efficiency while minimizing liquid quantity consumption.
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 significantly reduces liquid consumption by up to 81% while maintaining high collection efficiency, allowing for extended field operation and reducing operational costs.
Implementation Method 1
The cyclone unit draws in a gas sample and creates a circular flow of the gas sample so that particles in the gas sample are separated from the gas sample by centrifugation force
Implementation Method 2
the collection liquid forms a thin liquid layer on an inner wall of the cyclone chamber and traps particles impacting on the inner wall
Data Source
AI summary
A wet cyclone particle collector is disclosed. The wet cyclone particle collector includes a cyclone unit, a liquid delivery unit and a sample collection unit. The cyclone unit draws a gas sample into a cyclone chamber and creates a circular flow of the gas sample inside the cyclone chamber so that particles in the gas sample are separated from said gas sample by centrifugation force. The liquid delivery unit delivers a collection liquid into the cyclone in a non-continuous fashion. The sample collection unit harvests the collection liquid from the cyclone unit. The non-continuous delivery of the collection liquid significantly reduces consumption of collection liquid during operation of the particle collector.