Pressure Tapping Line Wind Protector for Outdoor Freezing Prevention
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Solution Overview
Problem
Existing pressure tapping lines in outdoor applications are prone to freezing in cold weather, which can lead to damage and render pressure measurements impossible, requiring cumbersome heating or insulation solutions that are not weather-independent.
Innovation Solution
A weather-independent assembly for pressure tapping lines that includes a sectionally bent trap and a wind protector with a tubular wall to minimize atmospheric air movements, allowing for efficient convection and reducing the risk of freezing while maintaining low maintenance operations across varying weather conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If heating apparatus or insulation is mounted in the region of the trap to prevent freezing, then the risk of freezing is reduced, but the device complexity and maintenance burden increase
Solution Approach 1:
The trap design enables self-heating through condensation of vapor on the outer surface of the trap wall. The vapor condenses and releases latent heat directly at the location where heating is needed, eliminating the requirement for external heating apparatus or insulation while maintaining reliable freezing prevention.
2Reliability
If heating apparatus is used to prevent freezing, then freezing protection is achieved, but continuous electrical power consumption increases
Solution Approach 1:
The invention changes the thermal parameter of the trap wall by making it thermally insulated or adiabatic, creating a temperature difference that enables condensation-driven heat transfer. This passive thermal parameter change allows the system to utilize vapor condensation heat instead of requiring continuous electrical power input.
3Reliability
If insulation is mounted to prevent freezing, then freezing risk is minimized, but the device complexity and installation burden increase
Solution Approach 1:
The invention extracts the heating function from external insulation or heating apparatus and integrates it directly into the trap structure itself through the condensation mechanism. This eliminates the need for separate insulation components and simplifies both manufacturing and installation processes.
4Adaptability or versatility
If the trap is exposed to wind and weather, then outdoor application is enabled, but freezing of condensate occurs at low temperatures
Solution Approach 1:
The invention converts the harmful effect of cold outdoor weather into a beneficial heating mechanism. The temperature difference between the warm vapor inside the pipeline and the cold outdoor environment drives condensation on the trap outer surface, which releases heat to prevent freezing of the condensate inside the trap.
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 assembly effectively prevents freezing of condensate in the trap, ensuring continuous pressure measurement functionality regardless of weather conditions, while minimizing maintenance and energy consumption.
Implementation Method 1
Some local convection as a result of temperature differences between pressure tapping line and surrounding air is still possible
Implementation Method 2
the pressure tapping line has a sectionally bent trap, which is adapted to contain a condensate of the vapor
Data Source
AI summary
The present disclosure relates to an assembly comprising a pressure tapping line having a first end and a second end. A pressure measuring device registers a pressure within the pressure tapping line and the pressure tapping line is adapted to be connected using the first end to a vapor conveying pipe or tube. The pressure measuring device is adapted to be connected to the second end of the pressure tapping line and the pressure tapping line has a sectionally bent trap adapted to contain a condensate of the vapor. The assembly is adapted to be applied outside and includes a wind protector to lessen atmospherically related air movements at least in the region of the trap.