Atomization Device With Inclined Gas Flow Path
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Solution Overview
Problem
Conventional two-fluid nozzles of the suction type require high-pressure compressed air to achieve particle sizes of liquid droplets less than or equal to 10 μm, limiting their application and energy efficiency.
Innovation Solution
The atomization device features a cylindrical atomization space with a liquid flow path connected to its central part and a gas flow path connected to its circumference, with the gas flow path's central axis inclined from the liquid flow path's axis, allowing for efficient atomization with reduced compressed air pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If high-pressure compressed air is used to atomize liquid to particle size ≤10 μm, then atomization performance is improved, but energy consumption increases and application scope is limited
Solution Approach 1:
The gas flow path is configured with an inclined central axis relative to the liquid flow path axis, creating asymmetric flow patterns that enhance atomization efficiency. This asymmetric configuration allows for better mixing and shearing action between gas and liquid, achieving fine particle sizes with reduced compressed air pressure
Solution Approach 2:
The invention introduces a spatial dimension by inclining the gas flow path at an angle to the liquid flow path. This three-dimensional arrangement creates multiple interaction zones between gas and liquid streams, improving atomization performance without requiring high pressure
2Manufacturing precision
If high-pressure compressed air is used to achieve fine atomization, then droplet size is reduced, but device complexity and infrastructure requirements increase
Solution Approach 1:
The inclined gas flow path creates asymmetric flow patterns that enhance atomization efficiency, allowing the use of smaller, less complex compressors while still achieving the required droplet sizes for various applications
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 enables the spraying of liquid with small particle sizes (≤10 μm) using a two-fluid nozzle of the suction type while reducing the pressure of compressed air, thereby enhancing energy efficiency and expanding the device's application scope.
Implementation Method 1
a gas flow path (22) that supplies gas
Implementation Method 2
droplets atomized by mixing the liquid and the gas in the atomization space
Implementation Method 3
sucks water 83 injected from the center of each of second injection port 81 and third injection port 82 using compressed air 84 injected from an outer periphery, and injects not only the water by being finely atomized by shearing action of compressed air 84
Data Source
AI summary
Gas-liquid ejector (50) includes atomization space (51) in which flow path (31) downstream of liquid flow path (21) is connected to a central part of an end surface of atomization space (51) on an upstream side, flow path (40) downstream of gas flow path (22) is connected to a circumference around the central part of the end surface of atomization space (51) on the upstream side, and flow path (40) downstream of gas flow path (22) has central axis (42) inclined from central axis (11) of flow path (31) downstream of liquid flow path (21).