Wet Scrubber Exhaust Diffuser with Triangular Wings
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Solution Overview
Problem
Existing wet scrubber systems in paint spray booths face inefficiencies in separating paint particles from air exhaust, leading to residual paint mist and water droplets being discharged into the environment, which affects air quality and operational costs.
Innovation Solution
The configuration includes a flow director or diffuser with triangular wings attached laterally, which decelerate the air flow and separate entrained water droplets, directing them towards a sluice for collection, while the air passes through baffles and filters to ensure minimal residual particles before discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a wet scrubber is used to separate paint particles from air exhaust, then paint particle capture efficiency is improved, but residual paint mist and water droplets are discharged into the environment
Solution Approach 1:
The exhaust stream is segmented into multiple phases through the flow director geometry, separating paint particles, water droplets, and air into distinct flow paths that enhance separation efficiency and reduce residual emissions
Solution Approach 2:
The flow director creates localized regions with different flow characteristics - high turbulence zones for particle capture and calmer zones for water droplet separation - optimizing separation at different locations within the exhaust stream
2Manufacturing precision
If water is used to capture paint particles in the exhaust air, then paint particle removal is improved, but water droplets are entrained in the exhaust air
Solution Approach 1:
The flow director extracts water droplets from the exhaust stream by creating a separate water-rich flow path that exits through dedicated openings, removing the harmful water droplet component while preserving paint particle capture benefits
Solution Approach 2:
The flow director acts as an intermediary structure that mediates between the paint capture function and water droplet removal function, using its geometric design to separate these two functions into distinct flow paths
3Manufacturing precision
If the exhaust air flow rate is increased to improve paint particle capture, then separation efficiency is improved, but energy consumption increases
Solution Approach 1:
The flow director utilizes the kinetic energy already present in the exhaust stream to drive the separation process, with the exhaust flow itself creating the turbulence and flow patterns needed for separation, reducing the need for additional energy input
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 configuration enhances the separation of paint particles and water droplets, resulting in drier exhaust air and reduced environmental emissions, improving the efficiency and cost-effectiveness of the paint recovery process.
Implementation Method 1
a flow director or diffuser 38 that empties the water onto a floor 40 of the exhaust enclosure 36
Implementation Method 2
The paint particles are captured by water that is either sprayed outward within the vortex chamber or introduced to the airflow before introduction of both the air and the water into the vortex chamber
Data Source
AI summary
An exhaust configuration for a wet scrubber. The exhaust configuration includes a diffuser that is attached to the wet scrubber and which defining an outlet for discharging scrubbed air and paint laden water from the wet scrubber. Attached on lateral sides of the diffuser are wings. The wings extend away from the outlet.