Wave Generator for Emissions Control Chemical Mixing
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Solution Overview
Problem
Current emissions reduction systems in combustion systems face challenges in ensuring effective mixing of emissions control chemicals with combustion products, leading to increased costs and inefficiencies due to unreacted chemicals, particularly in systems like diesel engines and gas turbines.
Innovation Solution
An emissions control system that incorporates a chemical injection conduit coupled with a wave generator, which outputs multiple waves to enhance the mixing of emissions control chemicals with combustion products, utilizing both acoustic and shock wave generators to improve chemical distribution and reaction efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If chemicals are injected to reduce exhaust products, then emissions are reduced, but mixing effectiveness deteriorates leading to unreacted chemicals
Solution Approach 1:
The patent applies acoustic waves to create mechanical vibration and turbulence in the exhaust stream, which enhances the mixing of injected chemicals with combustion products. The acoustic energy creates turbulent flow patterns that ensure thorough distribution and reaction of the emissions control chemicals, preventing slippage and unreacted chemical waste.
2Object-generated harmful factors
If chemicals are injected to reduce emissions, then regulatory compliance is improved, but operational cost increases due to chemical waste
Solution Approach 1:
By using acoustic waves to enhance mixing effectiveness, the system ensures that injected chemicals react completely with combustion products. This prevents chemical waste and slippage, reducing operational costs while maintaining regulatory compliance through effective emissions reduction.
3Object-generated harmful factors
If chemicals are injected to reduce emissions, then emission reduction is achieved, but device complexity increases
Solution Approach 1:
The patent replaces complex mechanical mixing devices (such as turbines, dampers, or moving parts) with an acoustic wave generation system. The acoustic waves create turbulence and enhance mixing through pressure oscillations in the exhaust stream, achieving effective chemical distribution without requiring complex mechanical structures.
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 effectively reduces emissions by enhancing the mixing of emissions control chemicals with combustion products, minimizing waste of unreacted chemicals and achieving better compliance with regulatory limits, thereby reducing operational costs and improving environmental outcomes.
Implementation Method 1
a wave generator coupled to the chemical injection conduit, wherein the wave generator is configured to output multiple waves that propagate through the chemical injection conduit into a flow path of combustion products to drive mixing of the emissions control chemical with the combustion products
Implementation Method 2
utilizing both acoustic and shock wave generators to improve chemical distribution and reaction efficiency
Data Source
AI summary
A system includes an emissions control system. The emissions control system includes a chemical injection conduit. The emissions control system also includes a chemical injector coupled to the chemical injection conduit, wherein the chemical injector is configured to output an emissions control chemical into the chemical injection conduit. The emissions control system further includes a wave generator coupled to the chemical injection conduit, wherein the wave generator is configured to output multiple waves that propagate through the chemical injection conduit into a flow path of combustion products to drive improved mixing of the emissions control chemical with the combustion products.