Variable Aperture Venturi Scrubber for Contaminant Removal

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Solution Overview

Problem

Conventional air pollution control systems, such as traditional venturi scrubbers, are costly, cumbersome, and inefficient due to limitations in the gas-to-liquid ratio, which restricts the efficiency of contaminant removal and increases operational costs.

Innovation Solution

A venturi scrubber system with a throat featuring multiple variable apertures, allowing for adjustable aperture sizes and positions, which increases the contact surface area between the scrubbing liquid and gas, enabling higher gas-to-liquid ratios and optimized droplet sizes for enhanced contaminant capture.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional venturi scrubbers are used, then the system structure is simple, but the gas-to-liquid ratio is limited and contaminant removal efficiency is low

Engineering Contradiction:

Improvecontaminant removal efficiencyVSAvoidsystem structure complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The venturi throat is divided into multiple segments with individual controllable apertures instead of a single fixed opening. This segmentation allows independent control of each aperture to optimize the gas-to-liquid ratio and increase contaminant removal efficiency while maintaining manageable system complexity through modular design

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The apertures are made dynamically controllable through actuators that adjust aperture sizes based on operating conditions. This dynamic adjustment capability enables the system to optimize performance for different gas flow rates and contaminant loads, significantly improving contaminant removal efficiency compared to fixed aperture designs

Inventive Principle:

Principle #15Dynamics

2Productivity

If higher gas-to-liquid ratios are implemented, then contaminant removal efficiency improves, but energy consumption increases

Engineering Contradiction:

Improvecontaminant removal efficiencyVSAvoidenergy consumption

Core Design Contradiction:

ProductivityVSUse of energy by moving object

Solution Approach 1:

The dynamically controllable apertures enable the system to achieve optimal gas-to-liquid ratios without excessive energy input. By adjusting aperture sizes to match actual processing needs, the system maintains high contaminant removal efficiency while avoiding the energy waste associated with consistently operating at maximum gas-to-liquid ratios

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes operational parameters (aperture sizes) to optimize the relationship between gas-to-liquid ratio and energy consumption. By varying aperture dimensions based on processing requirements, the system achieves high contaminant removal efficiency at lower energy costs compared to maintaining fixed high gas-to-liquid ratios

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If fixed aperture sizes are used, then manufacturing is simpler, but adaptability to different gas flows is reduced

Engineering Contradiction:

Improveadaptability to different gas flowsVSAvoidmanufacturing simplicity

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The throat is segmented into multiple independently controllable apertures, allowing the system to adapt to different gas flows by adjusting individual aperture sizes. This modular segmented design maintains manufacturing simplicity while significantly improving adaptability compared to fixed aperture designs

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The controllable aperture system provides multi-functionality, allowing the same venturi scrubber to handle various gas flow rates and contaminant loads effectively. This universal design approach enhances adaptability while keeping the overall system architecture relatively simple and manufacturable

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 improved efficiency in contaminant removal by allowing higher gas-to-liquid ratios, reducing energy consumption, and enabling the treatment of gases with both gaseous and particulate impurities, while being more cost-effective and easier to operate compared to traditional systems.

Implementation Method 1

venturi scrubbers have an inlet portion that converges the gas stream into a narrow throat

Methodology Applied

Scientific EffectVenturi effect: Venturi Effect

Implementation Method 2

Venturi scrubbers are wet scrubbers, which use a liquid that is atomized by an inflowing gas stream

Methodology Applied

Scientific EffectAtomization:

Implementation Method 3

polluting agents such as particulate matter are transferred from the inlet gas stream into the liquid

Methodology Applied

Scientific EffectMass transfer:

Data Source

PatentUS11612849B2Slot venturi with aperture control

Publication Date: 2023.03.28 JASSAL DEVPREET

AI summary

Systems and methods for controlling air pollution using a venturi scrubber with a venturi throat having multiple variable apertures. In some embodiments, the venturi throat comprises a first plate and a second plate, each with multiple apertures. The plates may move relative to each other. The dimensions of the apertures may be determined based on the movement of two plates.