Shallow Spray Booth Under Section With Lateral Wet Scrubbers
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Solution Overview
Problem
Existing paint spray booth systems require significant vertical height for wet scrubbers, leading to high costs and energy consumption, while allowing sub-optimal paint particle capture and necessitating extensive digging for installation and retrofitting.
Innovation Solution
A spray booth module with a shallow under section featuring laterally symmetrical wet scrubbers positioned beneath the spraying area, eliminating the need for mist eliminators and reducing vertical height, utilizing vortex chambers and diffusers to enhance paint particle capture and airflow efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional wet scrubbers are used in downdraft booths, then paint particle capture efficiency is improved, but vertical height requirement increases significantly
Solution Approach 1:
The patent transitions from a vertical arrangement of scrubber components (conventional downdraft design) to a horizontal arrangement. The scrubbing section is positioned laterally outward from the spray booth rather than directly beneath it, allowing the system to achieve effective paint particle capture without requiring excessive vertical depth in the under section.
Solution Approach 2:
The patent divides the scrubbing system into separate functional sections: a spray booth section, a laterally-positioned scrubbing section, and a water recovery section. This segmentation allows each component to be optimized independently and reduces the vertical height requirement by distributing functions across different spatial zones rather than stacking them vertically.
2Reliability
If extensive vertical height is provided for wet scrubbers, then paint particle separation is improved, but installation and retrofitting costs increase
Solution Approach 1:
By positioning the scrubbing section laterally outward from the spray booth rather than vertically beneath it, the patent reduces the digging and construction requirements associated with deep vertical installations. This lateral arrangement simplifies both new installations and retrofits of existing facilities.
Solution Approach 2:
The modular segmentation of the system into distinct spray booth, scrubbing, and water recovery sections allows for flexible installation configurations. Each module can be installed and connected relatively independently, reducing overall installation complexity and cost.
3Reliability
If traditional deep under section design is used, then wet scrubber performance is maintained, but energy consumption increases
Solution Approach 1:
The lateral positioning of the scrubbing section reduces the volume of the under section and associated air handling requirements. By reducing the depth of the under section while maintaining scrubbing effectiveness through lateral extension, the system decreases the energy required for air movement and system operation.
4Ease of manufacture
If vertical height is reduced in under section, then installation costs decrease, but paint particle capture efficiency may deteriorate
Solution Approach 1:
The patent compensates for reduced vertical height by extending the scrubbing section laterally outward from the spray booth. This lateral extension provides sufficient residence time and contact area for effective paint particle capture without requiring deep vertical installation.
Solution Approach 2:
By segmenting the scrubbing function into a separate laterally-positioned section, the system maintains effective paint particle capture in a shallower overall configuration, reducing installation complexity and cost while preserving performance.
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 solution minimizes installation costs, reduces energy consumption, and effectively captures paint particles, allowing for a more compact and efficient paint spray booth design with reduced vertical height and maintenance requirements.
Implementation Method 1
a vortex chamber, where the particle laden air flow is introduced into a vortex chamber, follows a spiral path to the center of the chamber
Implementation Method 2
The spiral path within the vortex chamber causes the heavier paint laden water droplets to slow along the exterior of the vortex chamber and collect at the bottom thereof
Implementation Method 3
spray systems where the airflow passes through a spray of the liquid and restriction systems where the airflow and the liquid pass through a restriction or Venturi to accelerate the air, generate turbulence, and break-up the supply water
Implementation Method 4
the sloped floor directing water from the exhaust toward the sluice
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A spray booth module having a plurality of wet scrubbers. The wet scrubbers being located beneath an area where over spray is generated and enabling the under section exhibits a reduced vertical depth relative to known under sections of comparable spray booths.