Fluid Discharge Device Baffle Air Layer Condensation Prevention
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Solution Overview
Problem
Traditional fluid discharge devices face challenges in preventing frosting and condensation near low-temperature discharge ports due to inefficient use of clean dry air, leading to increased operating costs and noise.
Innovation Solution
A fluid discharge device with a discharge tube, outer tube, and baffle system that directs clean dry air to form an air layer on the discharge port end surface and baffle outer surface, reducing air volume usage and noise, while preventing condensation through strategic air hole distribution and potential heating of the air.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the flow volume of clean dry air is increased to prevent condensation, then the frosting and condensation phenomenon is prevented, but the operating cost increases due to waste of clean dry air
Solution Approach 1:
The clean dry air flow is segmented into multiple streams by the baffle structure. One stream continues axially while another is redirected radially toward the discharge port end surface. This segmentation allows different portions of the air flow to perform different protective functions, improving condensation prevention efficiency while reducing total air consumption.
Solution Approach 2:
The baffle structure creates localized high-velocity clean dry air flow precisely at the discharge port end surface where condensation risk is highest. Instead of uniformly distributing air flow, the invention concentrates the protective air layer where it is most needed, optimizing the balance between condensation prevention and air consumption.
2Object-affected harmful factors
If the flow volume of clean dry air is increased to form an effective protective air layer, then the condensation prevention is improved, but the noise generated during operation increases
Solution Approach 1:
The air flow is divided into segmented streams by the baffle, with each stream serving a specific protective zone. This segmentation allows the system to achieve effective condensation prevention through multiple low-velocity streams rather than one high-velocity stream, thereby reducing noise while maintaining protection effectiveness.
3Device complexity
If clean dry air is discharged directly into the atmosphere, then the condensation prevention is simplified, but the volume use of clean dry air increases
Solution Approach 1:
Instead of uniformly discharging air in all directions, the baffle structure directs clean dry air locally toward the discharge port end surface where condensation risk exists. This localized air delivery achieves effective protection with significantly reduced total air volume compared to omnidirectional discharge.
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
Effectively reduces clean dry air volume and noise, preventing frosting and condensation on hardware interfaces, thereby lowering operating costs and enhancing the device's efficiency.
Implementation Method 1
When the clean dry air passes through the outlet, at least part of the clean dry air is blocked by the baffle and is directed to the end surface of the discharge tube
Implementation Method 2
the clean dry air can effectively pass the low-temperature hardware interface near the discharge port of the low-temperature fluid in contact with the air of a high temperature (room temperature)
Data Source
AI summary
A fluid discharge device includes a discharge tube, an outer tube and at least one baffle. The discharge tube has a discharge port. The discharge tube has an end surface adjacent to the discharge port. The outer tube is sleeved outside the discharge tube. The outer tube has at least one passage. The passage is configured to flow a clean dry air. The passage has an outlet. The baffle is disposed outside the outlet. When the clean dry air passes through the outlet, at least part of the clean dry air is blocked by the baffle and is directed to the end surface of the discharge tube.